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Simman102 2024-01-23 02:09:19 +01:00
parent 9d69618b65
commit db0ed6d7c4
943 changed files with 191504 additions and 0 deletions
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cw_8/shaders/pbr.frag Normal file
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#version 430 core
out vec4 FragColor;
in vec2 TexCoords;
in vec3 worldPos;
in vec3 Normal;
uniform vec3 cameraPos;
uniform vec3 lightPos;
uniform vec3 lightColor;
uniform sampler2D albedoMap;
uniform sampler2D normalMap;
uniform sampler2D metallicMap;
uniform sampler2D roughnessMap;
uniform sampler2D aoMap;
const float PI = 3.14159265359;
vec3 getNormalFromMap()
{
vec3 tangentNormal = texture(normalMap, TexCoords).xyz * 2.0 - 1.0;
vec3 Q1 = dFdx(worldPos);
vec3 Q2 = dFdy(worldPos);
vec2 st1 = dFdx(TexCoords);
vec2 st2 = dFdy(TexCoords);
vec3 N = normalize(Normal);
vec3 T = normalize(Q1*st2.t - Q2*st1.t);
vec3 B = -normalize(cross(N, T));
mat3 TBN = mat3(T, B, N);
return normalize(TBN * tangentNormal);
}
vec3 fresnelSchlick(float cosTheta, vec3 F0){
return F0 + (1.0 - F0) * pow(clamp(1.0 - cosTheta, 0.0, 1.0), 5.0);
}
float DistributionGGX(vec3 N, vec3 H, float roughness)
{
float a = roughness*roughness;
float a2 = a*a;
float NdotH = max(dot(N, H), 0.0);
float NdotH2 = NdotH*NdotH;
float num = a2;
float denom = (NdotH2 * (a2 - 1.0) + 1.0);
denom = PI * denom * denom;
return num / denom;
}
float GeometrySchlickGGX(float NdotV, float roughness)
{
float r = (roughness + 1.0);
float k = (r*r) / 8.0;
float num = NdotV;
float denom = NdotV * (1.0 - k) + k;
return num / denom;
}
float GeometrySmith(vec3 N, vec3 V, vec3 L, float roughness)
{
float NdotV = max(dot(N, V), 0.0);
float NdotL = max(dot(N, L), 0.0);
float ggx2 = GeometrySchlickGGX(NdotV, roughness);
float ggx1 = GeometrySchlickGGX(NdotL, roughness);
return ggx1 * ggx2;
}
void main()
{
vec3 albedo = pow(texture(albedoMap, TexCoords).rgb, vec3(2.2));
float metallic = texture(metallicMap, TexCoords).r;
float roughness = texture(roughnessMap, TexCoords).r;
float ao = texture(aoMap, TexCoords).r;
vec3 N = getNormalFromMap();
vec3 V = normalize(cameraPos - worldPos);
vec3 F0 = vec3(0.04);
F0 = mix(F0, albedo, metallic);
vec3 Lo = vec3(0.0);
vec3 L = normalize(lightPos - worldPos);
vec3 H = normalize(V + L);
float distance = length(lightPos - worldPos);
float attenuation = 1.0 / (distance * distance);
vec3 radiance = lightColor * attenuation;
float NDF = DistributionGGX(N, H, roughness);
float G = GeometrySmith(N, V, L, roughness);
vec3 F = fresnelSchlick(max(dot(H, V), 0.0), F0);
vec3 numerator = NDF * G * F;
float denominator = 4.0 * max(dot(N, V), 0.0) * max(dot(N, L), 0.0) + 0.0001;
vec3 specular = numerator / denominator;
vec3 kS = F;
vec3 kD = vec3(1.0) - kS;
kD *= 1.0 - metallic;
float NdotL = max(dot(N, L), 0.0);
Lo += (kD * albedo / PI + specular) * radiance * NdotL;
vec3 ambient = vec3(0.03) * albedo * ao;
vec3 color = ambient + Lo;
color = color / (color + vec3(1.0));
color = pow(color, vec3(1.0/2.2));
FragColor = vec4(color, 1.0);
}

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cw_8/shaders/pbr.vert Normal file
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#version 430 core
layout(location = 0) in vec3 vertexPosition;
layout(location = 1) in vec3 vertexNormal;
layout(location = 2) in vec2 vertexTexCoord;
uniform mat4 transformation;
uniform mat4 modelMatrix;
uniform vec3 cameraPos;
out vec3 Normal;
out vec3 worldPos;
out vec2 TexCoords;
void main()
{
TexCoords = vertexTexCoord;
worldPos = vec3(modelMatrix * vec4(vertexPosition,1));
Normal = normalize((modelMatrix * vec4(vertexNormal,0)).xyz);
gl_Position = transformation * vec4(worldPos, 1.0);
}

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cw_8/src/Box.cpp Normal file
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// dane 36 wierzcholkow i kolorow opisujace model pudelka
const float box[] = {
// points colors
0.25f, 0.25f, 0.75f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f,
0.25f, -0.25f, 0.75f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f,
-0.25f, 0.25f, 0.75f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f,
0.25f, -0.25f, 0.75f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f,
-0.25f, -0.25f, 0.75f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f,
-0.25f, 0.25f, 0.75f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f,
0.25f, 0.25f, -0.75f, 1.0f, 0.8f, 0.8f, 0.8f, 1.0f,
-0.25f, 0.25f, -0.75f, 1.0f, 0.8f, 0.8f, 0.8f, 1.0f,
0.25f, -0.25f, -0.75f, 1.0f, 0.8f, 0.8f, 0.8f, 1.0f,
0.25f, -0.25f, -0.75f, 1.0f, 0.8f, 0.8f, 0.8f, 1.0f,
-0.25f, 0.25f, -0.75f, 1.0f, 0.8f, 0.8f, 0.8f, 1.0f,
-0.25f, -0.25f, -0.75f, 1.0f, 0.8f, 0.8f, 0.8f, 1.0f,
-0.25f, 0.25f, 0.75f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f,
-0.25f, -0.25f, 0.75f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f,
-0.25f, -0.25f, -0.75f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f,
-0.25f, 0.25f, 0.75f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f,
-0.25f, -0.25f, -0.75f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f,
-0.25f, 0.25f, -0.75f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f,
0.25f, 0.25f, 0.75f, 1.0f, 0.5f, 0.5f, 0.0f, 1.0f,
0.25f, -0.25f, -0.75f, 1.0f, 0.5f, 0.5f, 0.0f, 1.0f,
0.25f, -0.25f, 0.75f, 1.0f, 0.5f, 0.5f, 0.0f, 1.0f,
0.25f, 0.25f, 0.75f, 1.0f, 0.5f, 0.5f, 0.0f, 1.0f,
0.25f, 0.25f, -0.75f, 1.0f, 0.5f, 0.5f, 0.0f, 1.0f,
0.25f, -0.25f, -0.75f, 1.0f, 0.5f, 0.5f, 0.0f, 1.0f,
0.25f, 0.25f, -0.75f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f,
0.25f, 0.25f, 0.75f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f,
-0.25f, 0.25f, 0.75f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f,
0.25f, 0.25f, -0.75f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f,
-0.25f, 0.25f, 0.75f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f,
-0.25f, 0.25f, -0.75f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f,
0.25f, -0.25f, -0.75f, 1.0f, 0.0f, 1.0f, 1.0f, 1.0f,
-0.25f, -0.25f, 0.75f, 1.0f, 0.0f, 1.0f, 1.0f, 1.0f,
0.25f, -0.25f, 0.75f, 1.0f, 0.0f, 1.0f, 1.0f, 1.0f,
0.25f, -0.25f, -0.75f, 1.0f, 0.0f, 1.0f, 1.0f, 1.0f,
-0.25f, -0.25f, -0.75f, 1.0f, 0.0f, 1.0f, 1.0f, 1.0f,
-0.25f, -0.25f, 0.75f, 1.0f, 0.0f, 1.0f, 1.0f, 1.0f,
};

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cw_8/src/Camera.cpp Normal file
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#include "Camera.h"
glm::mat4 Core::createPerspectiveMatrix(float zNear, float zFar, float frustumScale)
{
glm::mat4 perspective;
perspective[0][0] = 1.f;
perspective[1][1] = frustumScale;
perspective[2][2] = (zFar + zNear) / (zNear - zFar);
perspective[3][2] = (2 * zFar * zNear) / (zNear - zFar);
perspective[2][3] = -1;
perspective[3][3] = 0;
return perspective;
}
glm::mat4 Core::createViewMatrix( glm::vec3 position, glm::vec3 forward, glm::vec3 up )
{
glm::vec3 side = glm::cross(forward, up);
// Trzeba pamietac o minusie przy ustawianiu osi Z kamery.
// Wynika to z tego, ze standardowa macierz perspektywiczna zaklada, ze "z przodu" jest ujemna (a nie dodatnia) czesc osi Z.
glm::mat4 cameraRotation;
cameraRotation[0][0] = side.x; cameraRotation[1][0] = side.y; cameraRotation[2][0] = side.z;
cameraRotation[0][1] = up.x; cameraRotation[1][1] = up.y; cameraRotation[2][1] = up.z;
cameraRotation[0][2] = -forward.x; cameraRotation[1][2] = -forward.y; cameraRotation[2][2] = -forward.z;
glm::mat4 cameraTranslation;
cameraTranslation[3] = glm::vec4(-position, 1.0f);
return cameraRotation * cameraTranslation;
}

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cw_8/src/Camera.h Normal file
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#pragma once
#include "glm.hpp"
namespace Core
{
glm::mat4 createPerspectiveMatrix(float zNear = 0.1f, float zFar = 100.0f, float frustumScale = 1.f);
// position - pozycja kamery
// forward - wektor "do przodu" kamery (jednostkowy)
// up - wektor "w gore" kamery (jednostkowy)
// up i forward musza byc ortogonalne!
glm::mat4 createViewMatrix(glm::vec3 position, glm::vec3 forward, glm::vec3 up);
}

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cw_8/src/Render_Utils.cpp Normal file
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#include "Render_Utils.h"
#include <algorithm>
#include "glew.h"
#include "freeglut.h"
#include <assimp/Importer.hpp>
#include <assimp/scene.h>
#include <assimp/postprocess.h>
void Core::RenderContext::initFromAssimpMesh(aiMesh* mesh) {
vertexArray = 0;
vertexBuffer = 0;
vertexIndexBuffer = 0;
std::vector<float> textureCoord;
std::vector<unsigned int> indices;
//tex coord must be converted to 2d vecs
for (unsigned int i = 0; i < mesh->mNumVertices; i++)
{
if (mesh->mTextureCoords[0] != nullptr) {
textureCoord.push_back(mesh->mTextureCoords[0][i].x);
textureCoord.push_back(mesh->mTextureCoords[0][i].y);
}
else {
textureCoord.push_back(0.0f);
textureCoord.push_back(0.0f);
}
}
if (mesh->mTextureCoords[0] == nullptr) {
std::cout << "no uv coords\n";
}
for (unsigned int i = 0; i < mesh->mNumFaces; i++)
{
aiFace face = mesh->mFaces[i];
// retrieve all indices of the face and store them in the indices vector
for (unsigned int j = 0; j < face.mNumIndices; j++)
indices.push_back(face.mIndices[j]);
}
unsigned int vertexDataBufferSize = sizeof(float) * mesh->mNumVertices * 3;
unsigned int vertexNormalBufferSize = sizeof(float) * mesh->mNumVertices * 3;
unsigned int vertexTexBufferSize = sizeof(float) * mesh->mNumVertices * 2;
unsigned int vertexTangentBufferSize = sizeof(float) * mesh->mNumVertices * 3;
unsigned int vertexBiTangentBufferSize = sizeof(float) * mesh->mNumVertices * 3;
unsigned int vertexElementBufferSize = sizeof(unsigned int) * indices.size();
size = indices.size();
glGenVertexArrays(1, &vertexArray);
glBindVertexArray(vertexArray);
glGenBuffers(1, &vertexIndexBuffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vertexIndexBuffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, vertexElementBufferSize, &indices[0], GL_STATIC_DRAW);
glGenBuffers(1, &vertexBuffer);
glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
//std::cout << vertexBuffer;
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
glEnableVertexAttribArray(2);
glEnableVertexAttribArray(3);
glEnableVertexAttribArray(4);
glBufferData(GL_ARRAY_BUFFER, vertexDataBufferSize + vertexNormalBufferSize + vertexTexBufferSize + vertexTangentBufferSize + vertexBiTangentBufferSize, NULL, GL_STATIC_DRAW);
glBufferSubData(GL_ARRAY_BUFFER, 0, vertexDataBufferSize, mesh->mVertices);
glBufferSubData(GL_ARRAY_BUFFER, vertexDataBufferSize, vertexNormalBufferSize, mesh->mNormals);
glBufferSubData(GL_ARRAY_BUFFER, vertexDataBufferSize + vertexNormalBufferSize, vertexTexBufferSize, &textureCoord[0]);
glBufferSubData(GL_ARRAY_BUFFER, vertexDataBufferSize + vertexNormalBufferSize + vertexTexBufferSize, vertexTangentBufferSize, mesh->mTangents);
glBufferSubData(GL_ARRAY_BUFFER, vertexDataBufferSize + vertexNormalBufferSize + vertexTexBufferSize + vertexTangentBufferSize, vertexBiTangentBufferSize, mesh->mBitangents);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, (void*)(0));
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 0, (void*)(vertexDataBufferSize));
glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 0, (void*)(vertexNormalBufferSize + vertexDataBufferSize));
glVertexAttribPointer(3, 3, GL_FLOAT, GL_FALSE, 0, (void*)(vertexDataBufferSize + vertexNormalBufferSize + vertexTexBufferSize));
glVertexAttribPointer(4, 3, GL_FLOAT, GL_FALSE, 0, (void*)(vertexDataBufferSize + vertexNormalBufferSize + vertexTexBufferSize + vertexTangentBufferSize));
}
void Core::DrawVertexArray(const float * vertexArray, int numVertices, int elementSize )
{
glVertexAttribPointer(0, elementSize, GL_FLOAT, false, 0, vertexArray);
glEnableVertexAttribArray(0);
glDrawArrays(GL_TRIANGLES, 0, numVertices);
}
void Core::DrawVertexArrayIndexed( const float * vertexArray, const int * indexArray, int numIndexes, int elementSize )
{
glVertexAttribPointer(0, elementSize, GL_FLOAT, false, 0, vertexArray);
glEnableVertexAttribArray(0);
glDrawElements(GL_TRIANGLES, numIndexes, GL_UNSIGNED_INT, indexArray);
}
void Core::DrawVertexArray( const VertexData & data )
{
int numAttribs = std::min(VertexData::MAX_ATTRIBS, data.NumActiveAttribs);
for(int i = 0; i < numAttribs; i++)
{
glVertexAttribPointer(i, data.Attribs[i].Size, GL_FLOAT, false, 0, data.Attribs[i].Pointer);
glEnableVertexAttribArray(i);
}
glDrawArrays(GL_TRIANGLES, 0, data.NumVertices);
}
void Core::DrawContext(Core::RenderContext& context)
{
glBindVertexArray(context.vertexArray);
glDrawElements(
GL_TRIANGLES, // mode
context.size, // count
GL_UNSIGNED_INT, // type
(void*)0 // element array buffer offset
);
glBindVertexArray(0);
}

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#pragma once
#include "glm.hpp"
#include "glew.h"
#include "objload.h"
#include <assimp/Importer.hpp>
#include <assimp/scene.h>
#include <assimp/postprocess.h>
#define BUFFER_OFFSET(i) ((char *)NULL + (i))
namespace Core
{
struct RenderContext
{
GLuint vertexArray;
GLuint vertexBuffer;
GLuint vertexIndexBuffer;
int size = 0;
void initFromOBJ(obj::Model& model);
void initFromAssimpMesh(aiMesh* mesh);
};
// vertexArray - jednowymiarowa tablica zawierajaca wartosci opisujace pozycje kolejnych wierzcholkow w jednym ciagu (x1, y1, z1, w1, x2, y2, z2, w2, ...)
// numVertices - liczba wierzcholkow do narysowania
// elementSize - liczba wartosci opisujacych pojedynczy wierzcholek (np. 3 gdy wierzcholek opisany jest trojka (x, y, z))
void DrawVertexArray(const float * vertexArray, int numVertices, int elementSize);
// indexArray - jednowymiarowa tablica zawierajaca indeksy wierzcholkow kolejnych trojkatow w jednym ciagu (t1_i1, t1_i2, t1_i3, t2_i1, t2_i2, t2_i3, ...)
// numIndexes - liczba indeksow w tablicy indexArray
void DrawVertexArrayIndexed(const float * vertexArray, const int * indexArray, int numIndexes, int elementSize);
struct VertexAttribute
{
const void * Pointer;
int Size;
};
struct VertexData
{
static const int MAX_ATTRIBS = 8;
VertexAttribute Attribs[MAX_ATTRIBS];
int NumActiveAttribs;
int NumVertices;
};
// Ta funkcja sluzy do rysowania trojkatow, ktorych wierzcholki moga byc opisane wiecej niz jednym atrybutem.
// Funkcja przyjmuje jako parametr strukture, w ktorej nalezy zawrzec wszystkie potrzebne dane.
//
// Przykladowe wywolanie funkcji - narysowanie trojkata jak na pierwszych zajeciach:
/*
const float vertices[] = {
0.25f, 0.25f, 0.0f, 1.0f,
0.25f, -0.25f, 0.0f, 1.0f,
-0.25f, -0.25f, 0.0f, 1.0f
};
Core::VertexData vertexData;
vertexData.NumActiveAttribs = 1; // Liczba uzywanych atrybutow wierzcholka
vertexData.Attribs[0].Pointer = vertices; // Wskaznik na dane zerowego atrybutu
vertexData.Attribs[0].Size = 4; // Wielkosc zerowego atrybutu (ilosc liczb opisujacych ten atrybut w pojedynczym wierzcholku)
vertexData.NumVertices = 3; // Liczba wierzcholkow do narysowania
Core::DrawVertexArray(vertexData);
*/
void DrawVertexArray(const VertexData & data);
void DrawContext(RenderContext& context);
}

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/**
@mainpage SOIL
Jonathan Dummer
2007-07-26-10.36
Simple OpenGL Image Library
A tiny c library for uploading images as
textures into OpenGL. Also saving and
loading of images is supported.
I'm using Sean's Tool Box image loader as a base:
http://www.nothings.org/
I'm upgrading it to load TGA and DDS files, and a direct
path for loading DDS files straight into OpenGL textures,
when applicable.
Image Formats:
- BMP load & save
- TGA load & save
- DDS load & save
- PNG load
- JPG load
OpenGL Texture Features:
- resample to power-of-two sizes
- MIPmap generation
- compressed texture S3TC formats (if supported)
- can pre-multiply alpha for you, for better compositing
- can flip image about the y-axis (except pre-compressed DDS files)
Thanks to:
* Sean Barret - for the awesome stb_image
* Dan Venkitachalam - for finding some non-compliant DDS files, and patching some explicit casts
* everybody at gamedev.net
**/
#ifndef HEADER_SIMPLE_OPENGL_IMAGE_LIBRARY
#define HEADER_SIMPLE_OPENGL_IMAGE_LIBRARY
#ifdef __cplusplus
extern "C" {
#endif
/**
The format of images that may be loaded (force_channels).
SOIL_LOAD_AUTO leaves the image in whatever format it was found.
SOIL_LOAD_L forces the image to load as Luminous (greyscale)
SOIL_LOAD_LA forces the image to load as Luminous with Alpha
SOIL_LOAD_RGB forces the image to load as Red Green Blue
SOIL_LOAD_RGBA forces the image to load as Red Green Blue Alpha
**/
enum
{
SOIL_LOAD_AUTO = 0,
SOIL_LOAD_L = 1,
SOIL_LOAD_LA = 2,
SOIL_LOAD_RGB = 3,
SOIL_LOAD_RGBA = 4
};
/**
Passed in as reuse_texture_ID, will cause SOIL to
register a new texture ID using glGenTextures().
If the value passed into reuse_texture_ID > 0 then
SOIL will just re-use that texture ID (great for
reloading image assets in-game!)
**/
enum
{
SOIL_CREATE_NEW_ID = 0
};
/**
flags you can pass into SOIL_load_OGL_texture()
and SOIL_create_OGL_texture().
(note that if SOIL_FLAG_DDS_LOAD_DIRECT is used
the rest of the flags with the exception of
SOIL_FLAG_TEXTURE_REPEATS will be ignored while
loading already-compressed DDS files.)
SOIL_FLAG_POWER_OF_TWO: force the image to be POT
SOIL_FLAG_MIPMAPS: generate mipmaps for the texture
SOIL_FLAG_TEXTURE_REPEATS: otherwise will clamp
SOIL_FLAG_MULTIPLY_ALPHA: for using (GL_ONE,GL_ONE_MINUS_SRC_ALPHA) blending
SOIL_FLAG_INVERT_Y: flip the image vertically
SOIL_FLAG_COMPRESS_TO_DXT: if the card can display them, will convert RGB to DXT1, RGBA to DXT5
SOIL_FLAG_DDS_LOAD_DIRECT: will load DDS files directly without _ANY_ additional processing
SOIL_FLAG_NTSC_SAFE_RGB: clamps RGB components to the range [16,235]
SOIL_FLAG_CoCg_Y: Google YCoCg; RGB=>CoYCg, RGBA=>CoCgAY
SOIL_FLAG_TEXTURE_RECTANGE: uses ARB_texture_rectangle ; pixel indexed & no repeat or MIPmaps or cubemaps
**/
enum
{
SOIL_FLAG_POWER_OF_TWO = 1,
SOIL_FLAG_MIPMAPS = 2,
SOIL_FLAG_TEXTURE_REPEATS = 4,
SOIL_FLAG_MULTIPLY_ALPHA = 8,
SOIL_FLAG_INVERT_Y = 16,
SOIL_FLAG_COMPRESS_TO_DXT = 32,
SOIL_FLAG_DDS_LOAD_DIRECT = 64,
SOIL_FLAG_NTSC_SAFE_RGB = 128,
SOIL_FLAG_CoCg_Y = 256,
SOIL_FLAG_TEXTURE_RECTANGLE = 512
};
/**
The types of images that may be saved.
(TGA supports uncompressed RGB / RGBA)
(BMP supports uncompressed RGB)
(DDS supports DXT1 and DXT5)
**/
enum
{
SOIL_SAVE_TYPE_TGA = 0,
SOIL_SAVE_TYPE_BMP = 1,
SOIL_SAVE_TYPE_DDS = 2
};
/**
Defines the order of faces in a DDS cubemap.
I recommend that you use the same order in single
image cubemap files, so they will be interchangeable
with DDS cubemaps when using SOIL.
**/
#define SOIL_DDS_CUBEMAP_FACE_ORDER "EWUDNS"
/**
The types of internal fake HDR representations
SOIL_HDR_RGBE: RGB * pow( 2.0, A - 128.0 )
SOIL_HDR_RGBdivA: RGB / A
SOIL_HDR_RGBdivA2: RGB / (A*A)
**/
enum
{
SOIL_HDR_RGBE = 0,
SOIL_HDR_RGBdivA = 1,
SOIL_HDR_RGBdivA2 = 2
};
/**
Loads an image from disk into an OpenGL texture.
\param filename the name of the file to upload as a texture
\param force_channels 0-image format, 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
\return 0-failed, otherwise returns the OpenGL texture handle
**/
unsigned int
SOIL_load_OGL_texture
(
const char *filename,
int force_channels,
unsigned int reuse_texture_ID,
unsigned int flags
);
/**
Loads 6 images from disk into an OpenGL cubemap texture.
\param x_pos_file the name of the file to upload as the +x cube face
\param x_neg_file the name of the file to upload as the -x cube face
\param y_pos_file the name of the file to upload as the +y cube face
\param y_neg_file the name of the file to upload as the -y cube face
\param z_pos_file the name of the file to upload as the +z cube face
\param z_neg_file the name of the file to upload as the -z cube face
\param force_channels 0-image format, 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
\return 0-failed, otherwise returns the OpenGL texture handle
**/
unsigned int
SOIL_load_OGL_cubemap
(
const char *x_pos_file,
const char *x_neg_file,
const char *y_pos_file,
const char *y_neg_file,
const char *z_pos_file,
const char *z_neg_file,
int force_channels,
unsigned int reuse_texture_ID,
unsigned int flags
);
/**
Loads 1 image from disk and splits it into an OpenGL cubemap texture.
\param filename the name of the file to upload as a texture
\param face_order the order of the faces in the file, any combination of NSWEUD, for North, South, Up, etc.
\param force_channels 0-image format, 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
\return 0-failed, otherwise returns the OpenGL texture handle
**/
unsigned int
SOIL_load_OGL_single_cubemap
(
const char *filename,
const char face_order[6],
int force_channels,
unsigned int reuse_texture_ID,
unsigned int flags
);
/**
Loads an HDR image from disk into an OpenGL texture.
\param filename the name of the file to upload as a texture
\param fake_HDR_format SOIL_HDR_RGBE, SOIL_HDR_RGBdivA, SOIL_HDR_RGBdivA2
\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT
\return 0-failed, otherwise returns the OpenGL texture handle
**/
unsigned int
SOIL_load_OGL_HDR_texture
(
const char *filename,
int fake_HDR_format,
int rescale_to_max,
unsigned int reuse_texture_ID,
unsigned int flags
);
/**
Loads an image from RAM into an OpenGL texture.
\param buffer the image data in RAM just as if it were still in a file
\param buffer_length the size of the buffer in bytes
\param force_channels 0-image format, 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
\return 0-failed, otherwise returns the OpenGL texture handle
**/
unsigned int
SOIL_load_OGL_texture_from_memory
(
const unsigned char *const buffer,
int buffer_length,
int force_channels,
unsigned int reuse_texture_ID,
unsigned int flags
);
/**
Loads 6 images from memory into an OpenGL cubemap texture.
\param x_pos_buffer the image data in RAM to upload as the +x cube face
\param x_pos_buffer_length the size of the above buffer
\param x_neg_buffer the image data in RAM to upload as the +x cube face
\param x_neg_buffer_length the size of the above buffer
\param y_pos_buffer the image data in RAM to upload as the +x cube face
\param y_pos_buffer_length the size of the above buffer
\param y_neg_buffer the image data in RAM to upload as the +x cube face
\param y_neg_buffer_length the size of the above buffer
\param z_pos_buffer the image data in RAM to upload as the +x cube face
\param z_pos_buffer_length the size of the above buffer
\param z_neg_buffer the image data in RAM to upload as the +x cube face
\param z_neg_buffer_length the size of the above buffer
\param force_channels 0-image format, 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
\return 0-failed, otherwise returns the OpenGL texture handle
**/
unsigned int
SOIL_load_OGL_cubemap_from_memory
(
const unsigned char *const x_pos_buffer,
int x_pos_buffer_length,
const unsigned char *const x_neg_buffer,
int x_neg_buffer_length,
const unsigned char *const y_pos_buffer,
int y_pos_buffer_length,
const unsigned char *const y_neg_buffer,
int y_neg_buffer_length,
const unsigned char *const z_pos_buffer,
int z_pos_buffer_length,
const unsigned char *const z_neg_buffer,
int z_neg_buffer_length,
int force_channels,
unsigned int reuse_texture_ID,
unsigned int flags
);
/**
Loads 1 image from RAM and splits it into an OpenGL cubemap texture.
\param buffer the image data in RAM just as if it were still in a file
\param buffer_length the size of the buffer in bytes
\param face_order the order of the faces in the file, any combination of NSWEUD, for North, South, Up, etc.
\param force_channels 0-image format, 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
\return 0-failed, otherwise returns the OpenGL texture handle
**/
unsigned int
SOIL_load_OGL_single_cubemap_from_memory
(
const unsigned char *const buffer,
int buffer_length,
const char face_order[6],
int force_channels,
unsigned int reuse_texture_ID,
unsigned int flags
);
/**
Creates a 2D OpenGL texture from raw image data. Note that the raw data is
_NOT_ freed after the upload (so the user can load various versions).
\param data the raw data to be uploaded as an OpenGL texture
\param width the width of the image in pixels
\param height the height of the image in pixels
\param channels the number of channels: 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT
\return 0-failed, otherwise returns the OpenGL texture handle
**/
unsigned int
SOIL_create_OGL_texture
(
const unsigned char *const data,
int width, int height, int channels,
unsigned int reuse_texture_ID,
unsigned int flags
);
/**
Creates an OpenGL cubemap texture by splitting up 1 image into 6 parts.
\param data the raw data to be uploaded as an OpenGL texture
\param width the width of the image in pixels
\param height the height of the image in pixels
\param channels the number of channels: 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
\param face_order the order of the faces in the file, and combination of NSWEUD, for North, South, Up, etc.
\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
\return 0-failed, otherwise returns the OpenGL texture handle
**/
unsigned int
SOIL_create_OGL_single_cubemap
(
const unsigned char *const data,
int width, int height, int channels,
const char face_order[6],
unsigned int reuse_texture_ID,
unsigned int flags
);
/**
Captures the OpenGL window (RGB) and saves it to disk
\return 0 if it failed, otherwise returns 1
**/
int
SOIL_save_screenshot
(
const char *filename,
int image_type,
int x, int y,
int width, int height
);
/**
Loads an image from disk into an array of unsigned chars.
Note that *channels return the original channel count of the
image. If force_channels was other than SOIL_LOAD_AUTO,
the resulting image has force_channels, but *channels may be
different (if the original image had a different channel
count).
\return 0 if failed, otherwise returns 1
**/
unsigned char*
SOIL_load_image
(
const char *filename,
int *width, int *height, int *channels,
int force_channels
);
/**
Loads an image from memory into an array of unsigned chars.
Note that *channels return the original channel count of the
image. If force_channels was other than SOIL_LOAD_AUTO,
the resulting image has force_channels, but *channels may be
different (if the original image had a different channel
count).
\return 0 if failed, otherwise returns 1
**/
unsigned char*
SOIL_load_image_from_memory
(
const unsigned char *const buffer,
int buffer_length,
int *width, int *height, int *channels,
int force_channels
);
/**
Saves an image from an array of unsigned chars (RGBA) to disk
\return 0 if failed, otherwise returns 1
**/
int
SOIL_save_image
(
const char *filename,
int image_type,
int width, int height, int channels,
const unsigned char *const data
);
/**
Frees the image data (note, this is just C's "free()"...this function is
present mostly so C++ programmers don't forget to use "free()" and call
"delete []" instead [8^)
**/
void
SOIL_free_image_data
(
unsigned char *img_data
);
/**
This function resturn a pointer to a string describing the last thing
that happened inside SOIL. It can be used to determine why an image
failed to load.
**/
const char*
SOIL_last_result
(
void
);
#ifdef __cplusplus
}
#endif
#endif /* HEADER_SIMPLE_OPENGL_IMAGE_LIBRARY */

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/*
Jonathan Dummer
2007-07-31-10.32
simple DXT compression / decompression code
public domain
*/
#include "image_DXT.h"
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
/* set this =1 if you want to use the covarince matrix method...
which is better than my method of using standard deviations
overall, except on the infintesimal chance that the power
method fails for finding the largest eigenvector */
#define USE_COV_MAT 1
/********* Function Prototypes *********/
/*
Takes a 4x4 block of pixels and compresses it into 8 bytes
in DXT1 format (color only, no alpha). Speed is valued
over prettyness, at least for now.
*/
void compress_DDS_color_block(
int channels,
const unsigned char *const uncompressed,
unsigned char compressed[8] );
/*
Takes a 4x4 block of pixels and compresses the alpha
component it into 8 bytes for use in DXT5 DDS files.
Speed is valued over prettyness, at least for now.
*/
void compress_DDS_alpha_block(
const unsigned char *const uncompressed,
unsigned char compressed[8] );
/********* Actual Exposed Functions *********/
int
save_image_as_DDS
(
const char *filename,
int width, int height, int channels,
const unsigned char *const data
)
{
/* variables */
FILE *fout;
unsigned char *DDS_data;
DDS_header header;
int DDS_size;
/* error check */
if( (NULL == filename) ||
(width < 1) || (height < 1) ||
(channels < 1) || (channels > 4) ||
(data == NULL ) )
{
return 0;
}
/* Convert the image */
if( (channels & 1) == 1 )
{
/* no alpha, just use DXT1 */
DDS_data = convert_image_to_DXT1( data, width, height, channels, &DDS_size );
} else
{
/* has alpha, so use DXT5 */
DDS_data = convert_image_to_DXT5( data, width, height, channels, &DDS_size );
}
/* save it */
memset( &header, 0, sizeof( DDS_header ) );
header.dwMagic = ('D' << 0) | ('D' << 8) | ('S' << 16) | (' ' << 24);
header.dwSize = 124;
header.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT | DDSD_LINEARSIZE;
header.dwWidth = width;
header.dwHeight = height;
header.dwPitchOrLinearSize = DDS_size;
header.sPixelFormat.dwSize = 32;
header.sPixelFormat.dwFlags = DDPF_FOURCC;
if( (channels & 1) == 1 )
{
header.sPixelFormat.dwFourCC = ('D' << 0) | ('X' << 8) | ('T' << 16) | ('1' << 24);
} else
{
header.sPixelFormat.dwFourCC = ('D' << 0) | ('X' << 8) | ('T' << 16) | ('5' << 24);
}
header.sCaps.dwCaps1 = DDSCAPS_TEXTURE;
/* write it out */
fout = fopen( filename, "wb");
fwrite( &header, sizeof( DDS_header ), 1, fout );
fwrite( DDS_data, 1, DDS_size, fout );
fclose( fout );
/* done */
free( DDS_data );
return 1;
}
unsigned char* convert_image_to_DXT1(
const unsigned char *const uncompressed,
int width, int height, int channels,
int *out_size )
{
unsigned char *compressed;
int i, j, x, y;
unsigned char ublock[16*3];
unsigned char cblock[8];
int index = 0, chan_step = 1;
int block_count = 0;
/* error check */
*out_size = 0;
if( (width < 1) || (height < 1) ||
(NULL == uncompressed) ||
(channels < 1) || (channels > 4) )
{
return NULL;
}
/* for channels == 1 or 2, I do not step forward for R,G,B values */
if( channels < 3 )
{
chan_step = 0;
}
/* get the RAM for the compressed image
(8 bytes per 4x4 pixel block) */
*out_size = ((width+3) >> 2) * ((height+3) >> 2) * 8;
compressed = (unsigned char*)malloc( *out_size );
/* go through each block */
for( j = 0; j < height; j += 4 )
{
for( i = 0; i < width; i += 4 )
{
/* copy this block into a new one */
int idx = 0;
int mx = 4, my = 4;
if( j+4 >= height )
{
my = height - j;
}
if( i+4 >= width )
{
mx = width - i;
}
for( y = 0; y < my; ++y )
{
for( x = 0; x < mx; ++x )
{
ublock[idx++] = uncompressed[(j+y)*width*channels+(i+x)*channels];
ublock[idx++] = uncompressed[(j+y)*width*channels+(i+x)*channels+chan_step];
ublock[idx++] = uncompressed[(j+y)*width*channels+(i+x)*channels+chan_step+chan_step];
}
for( x = mx; x < 4; ++x )
{
ublock[idx++] = ublock[0];
ublock[idx++] = ublock[1];
ublock[idx++] = ublock[2];
}
}
for( y = my; y < 4; ++y )
{
for( x = 0; x < 4; ++x )
{
ublock[idx++] = ublock[0];
ublock[idx++] = ublock[1];
ublock[idx++] = ublock[2];
}
}
/* compress the block */
++block_count;
compress_DDS_color_block( 3, ublock, cblock );
/* copy the data from the block into the main block */
for( x = 0; x < 8; ++x )
{
compressed[index++] = cblock[x];
}
}
}
return compressed;
}
unsigned char* convert_image_to_DXT5(
const unsigned char *const uncompressed,
int width, int height, int channels,
int *out_size )
{
unsigned char *compressed;
int i, j, x, y;
unsigned char ublock[16*4];
unsigned char cblock[8];
int index = 0, chan_step = 1;
int block_count = 0, has_alpha;
/* error check */
*out_size = 0;
if( (width < 1) || (height < 1) ||
(NULL == uncompressed) ||
(channels < 1) || ( channels > 4) )
{
return NULL;
}
/* for channels == 1 or 2, I do not step forward for R,G,B vales */
if( channels < 3 )
{
chan_step = 0;
}
/* # channels = 1 or 3 have no alpha, 2 & 4 do have alpha */
has_alpha = 1 - (channels & 1);
/* get the RAM for the compressed image
(16 bytes per 4x4 pixel block) */
*out_size = ((width+3) >> 2) * ((height+3) >> 2) * 16;
compressed = (unsigned char*)malloc( *out_size );
/* go through each block */
for( j = 0; j < height; j += 4 )
{
for( i = 0; i < width; i += 4 )
{
/* local variables, and my block counter */
int idx = 0;
int mx = 4, my = 4;
if( j+4 >= height )
{
my = height - j;
}
if( i+4 >= width )
{
mx = width - i;
}
for( y = 0; y < my; ++y )
{
for( x = 0; x < mx; ++x )
{
ublock[idx++] = uncompressed[(j+y)*width*channels+(i+x)*channels];
ublock[idx++] = uncompressed[(j+y)*width*channels+(i+x)*channels+chan_step];
ublock[idx++] = uncompressed[(j+y)*width*channels+(i+x)*channels+chan_step+chan_step];
ublock[idx++] =
has_alpha * uncompressed[(j+y)*width*channels+(i+x)*channels+channels-1]
+ (1-has_alpha)*255;
}
for( x = mx; x < 4; ++x )
{
ublock[idx++] = ublock[0];
ublock[idx++] = ublock[1];
ublock[idx++] = ublock[2];
ublock[idx++] = ublock[3];
}
}
for( y = my; y < 4; ++y )
{
for( x = 0; x < 4; ++x )
{
ublock[idx++] = ublock[0];
ublock[idx++] = ublock[1];
ublock[idx++] = ublock[2];
ublock[idx++] = ublock[3];
}
}
/* now compress the alpha block */
compress_DDS_alpha_block( ublock, cblock );
/* copy the data from the compressed alpha block into the main buffer */
for( x = 0; x < 8; ++x )
{
compressed[index++] = cblock[x];
}
/* then compress the color block */
++block_count;
compress_DDS_color_block( 4, ublock, cblock );
/* copy the data from the compressed color block into the main buffer */
for( x = 0; x < 8; ++x )
{
compressed[index++] = cblock[x];
}
}
}
return compressed;
}
/********* Helper Functions *********/
int convert_bit_range( int c, int from_bits, int to_bits )
{
int b = (1 << (from_bits - 1)) + c * ((1 << to_bits) - 1);
return (b + (b >> from_bits)) >> from_bits;
}
int rgb_to_565( int r, int g, int b )
{
return
(convert_bit_range( r, 8, 5 ) << 11) |
(convert_bit_range( g, 8, 6 ) << 05) |
(convert_bit_range( b, 8, 5 ) << 00);
}
void rgb_888_from_565( unsigned int c, int *r, int *g, int *b )
{
*r = convert_bit_range( (c >> 11) & 31, 5, 8 );
*g = convert_bit_range( (c >> 05) & 63, 6, 8 );
*b = convert_bit_range( (c >> 00) & 31, 5, 8 );
}
void compute_color_line_STDEV(
const unsigned char *const uncompressed,
int channels,
float point[3], float direction[3] )
{
const float inv_16 = 1.0f / 16.0f;
int i;
float sum_r = 0.0f, sum_g = 0.0f, sum_b = 0.0f;
float sum_rr = 0.0f, sum_gg = 0.0f, sum_bb = 0.0f;
float sum_rg = 0.0f, sum_rb = 0.0f, sum_gb = 0.0f;
/* calculate all data needed for the covariance matrix
( to compare with _rygdxt code) */
for( i = 0; i < 16*channels; i += channels )
{
sum_r += uncompressed[i+0];
sum_rr += uncompressed[i+0] * uncompressed[i+0];
sum_g += uncompressed[i+1];
sum_gg += uncompressed[i+1] * uncompressed[i+1];
sum_b += uncompressed[i+2];
sum_bb += uncompressed[i+2] * uncompressed[i+2];
sum_rg += uncompressed[i+0] * uncompressed[i+1];
sum_rb += uncompressed[i+0] * uncompressed[i+2];
sum_gb += uncompressed[i+1] * uncompressed[i+2];
}
/* convert the sums to averages */
sum_r *= inv_16;
sum_g *= inv_16;
sum_b *= inv_16;
/* and convert the squares to the squares of the value - avg_value */
sum_rr -= 16.0f * sum_r * sum_r;
sum_gg -= 16.0f * sum_g * sum_g;
sum_bb -= 16.0f * sum_b * sum_b;
sum_rg -= 16.0f * sum_r * sum_g;
sum_rb -= 16.0f * sum_r * sum_b;
sum_gb -= 16.0f * sum_g * sum_b;
/* the point on the color line is the average */
point[0] = sum_r;
point[1] = sum_g;
point[2] = sum_b;
#if USE_COV_MAT
/*
The following idea was from ryg.
(https://mollyrocket.com/forums/viewtopic.php?t=392)
The method worked great (less RMSE than mine) most of
the time, but had some issues handling some simple
boundary cases, like full green next to full red,
which would generate a covariance matrix like this:
| 1 -1 0 |
| -1 1 0 |
| 0 0 0 |
For a given starting vector, the power method can
generate all zeros! So no starting with {1,1,1}
as I was doing! This kind of error is still a
slight posibillity, but will be very rare.
*/
/* use the covariance matrix directly
(1st iteration, don't use all 1.0 values!) */
sum_r = 1.0f;
sum_g = 2.718281828f;
sum_b = 3.141592654f;
direction[0] = sum_r*sum_rr + sum_g*sum_rg + sum_b*sum_rb;
direction[1] = sum_r*sum_rg + sum_g*sum_gg + sum_b*sum_gb;
direction[2] = sum_r*sum_rb + sum_g*sum_gb + sum_b*sum_bb;
/* 2nd iteration, use results from the 1st guy */
sum_r = direction[0];
sum_g = direction[1];
sum_b = direction[2];
direction[0] = sum_r*sum_rr + sum_g*sum_rg + sum_b*sum_rb;
direction[1] = sum_r*sum_rg + sum_g*sum_gg + sum_b*sum_gb;
direction[2] = sum_r*sum_rb + sum_g*sum_gb + sum_b*sum_bb;
/* 3rd iteration, use results from the 2nd guy */
sum_r = direction[0];
sum_g = direction[1];
sum_b = direction[2];
direction[0] = sum_r*sum_rr + sum_g*sum_rg + sum_b*sum_rb;
direction[1] = sum_r*sum_rg + sum_g*sum_gg + sum_b*sum_gb;
direction[2] = sum_r*sum_rb + sum_g*sum_gb + sum_b*sum_bb;
#else
/* use my standard deviation method
(very robust, a tiny bit slower and less accurate) */
direction[0] = sqrt( sum_rr );
direction[1] = sqrt( sum_gg );
direction[2] = sqrt( sum_bb );
/* which has a greater component */
if( sum_gg > sum_rr )
{
/* green has greater component, so base the other signs off of green */
if( sum_rg < 0.0f )
{
direction[0] = -direction[0];
}
if( sum_gb < 0.0f )
{
direction[2] = -direction[2];
}
} else
{
/* red has a greater component */
if( sum_rg < 0.0f )
{
direction[1] = -direction[1];
}
if( sum_rb < 0.0f )
{
direction[2] = -direction[2];
}
}
#endif
}
void LSE_master_colors_max_min(
int *cmax, int *cmin,
int channels,
const unsigned char *const uncompressed )
{
int i, j;
/* the master colors */
int c0[3], c1[3];
/* used for fitting the line */
float sum_x[] = { 0.0f, 0.0f, 0.0f };
float sum_x2[] = { 0.0f, 0.0f, 0.0f };
float dot_max = 1.0f, dot_min = -1.0f;
float vec_len2 = 0.0f;
float dot;
/* error check */
if( (channels < 3) || (channels > 4) )
{
return;
}
compute_color_line_STDEV( uncompressed, channels, sum_x, sum_x2 );
vec_len2 = 1.0f / ( 0.00001f +
sum_x2[0]*sum_x2[0] + sum_x2[1]*sum_x2[1] + sum_x2[2]*sum_x2[2] );
/* finding the max and min vector values */
dot_max =
(
sum_x2[0] * uncompressed[0] +
sum_x2[1] * uncompressed[1] +
sum_x2[2] * uncompressed[2]
);
dot_min = dot_max;
for( i = 1; i < 16; ++i )
{
dot =
(
sum_x2[0] * uncompressed[i*channels+0] +
sum_x2[1] * uncompressed[i*channels+1] +
sum_x2[2] * uncompressed[i*channels+2]
);
if( dot < dot_min )
{
dot_min = dot;
} else if( dot > dot_max )
{
dot_max = dot;
}
}
/* and the offset (from the average location) */
dot = sum_x2[0]*sum_x[0] + sum_x2[1]*sum_x[1] + sum_x2[2]*sum_x[2];
dot_min -= dot;
dot_max -= dot;
/* post multiply by the scaling factor */
dot_min *= vec_len2;
dot_max *= vec_len2;
/* OK, build the master colors */
for( i = 0; i < 3; ++i )
{
/* color 0 */
c0[i] = (int)(0.5f + sum_x[i] + dot_max * sum_x2[i]);
if( c0[i] < 0 )
{
c0[i] = 0;
} else if( c0[i] > 255 )
{
c0[i] = 255;
}
/* color 1 */
c1[i] = (int)(0.5f + sum_x[i] + dot_min * sum_x2[i]);
if( c1[i] < 0 )
{
c1[i] = 0;
} else if( c1[i] > 255 )
{
c1[i] = 255;
}
}
/* down_sample (with rounding?) */
i = rgb_to_565( c0[0], c0[1], c0[2] );
j = rgb_to_565( c1[0], c1[1], c1[2] );
if( i > j )
{
*cmax = i;
*cmin = j;
} else
{
*cmax = j;
*cmin = i;
}
}
void
compress_DDS_color_block
(
int channels,
const unsigned char *const uncompressed,
unsigned char compressed[8]
)
{
/* variables */
int i;
int next_bit;
int enc_c0, enc_c1;
int c0[4], c1[4];
float color_line[] = { 0.0f, 0.0f, 0.0f, 0.0f };
float vec_len2 = 0.0f, dot_offset = 0.0f;
/* stupid order */
int swizzle4[] = { 0, 2, 3, 1 };
/* get the master colors */
LSE_master_colors_max_min( &enc_c0, &enc_c1, channels, uncompressed );
/* store the 565 color 0 and color 1 */
compressed[0] = (enc_c0 >> 0) & 255;
compressed[1] = (enc_c0 >> 8) & 255;
compressed[2] = (enc_c1 >> 0) & 255;
compressed[3] = (enc_c1 >> 8) & 255;
/* zero out the compressed data */
compressed[4] = 0;
compressed[5] = 0;
compressed[6] = 0;
compressed[7] = 0;
/* reconstitute the master color vectors */
rgb_888_from_565( enc_c0, &c0[0], &c0[1], &c0[2] );
rgb_888_from_565( enc_c1, &c1[0], &c1[1], &c1[2] );
/* the new vector */
vec_len2 = 0.0f;
for( i = 0; i < 3; ++i )
{
color_line[i] = (float)(c1[i] - c0[i]);
vec_len2 += color_line[i] * color_line[i];
}
if( vec_len2 > 0.0f )
{
vec_len2 = 1.0f / vec_len2;
}
/* pre-proform the scaling */
color_line[0] *= vec_len2;
color_line[1] *= vec_len2;
color_line[2] *= vec_len2;
/* compute the offset (constant) portion of the dot product */
dot_offset = color_line[0]*c0[0] + color_line[1]*c0[1] + color_line[2]*c0[2];
/* store the rest of the bits */
next_bit = 8*4;
for( i = 0; i < 16; ++i )
{
/* find the dot product of this color, to place it on the line
(should be [-1,1]) */
int next_value = 0;
float dot_product =
color_line[0] * uncompressed[i*channels+0] +
color_line[1] * uncompressed[i*channels+1] +
color_line[2] * uncompressed[i*channels+2] -
dot_offset;
/* map to [0,3] */
next_value = (int)( dot_product * 3.0f + 0.5f );
if( next_value > 3 )
{
next_value = 3;
} else if( next_value < 0 )
{
next_value = 0;
}
/* OK, store this value */
compressed[next_bit >> 3] |= swizzle4[ next_value ] << (next_bit & 7);
next_bit += 2;
}
/* done compressing to DXT1 */
}
void
compress_DDS_alpha_block
(
const unsigned char *const uncompressed,
unsigned char compressed[8]
)
{
/* variables */
int i;
int next_bit;
int a0, a1;
float scale_me;
/* stupid order */
int swizzle8[] = { 1, 7, 6, 5, 4, 3, 2, 0 };
/* get the alpha limits (a0 > a1) */
a0 = a1 = uncompressed[3];
for( i = 4+3; i < 16*4; i += 4 )
{
if( uncompressed[i] > a0 )
{
a0 = uncompressed[i];
} else if( uncompressed[i] < a1 )
{
a1 = uncompressed[i];
}
}
/* store those limits, and zero the rest of the compressed dataset */
compressed[0] = a0;
compressed[1] = a1;
/* zero out the compressed data */
compressed[2] = 0;
compressed[3] = 0;
compressed[4] = 0;
compressed[5] = 0;
compressed[6] = 0;
compressed[7] = 0;
/* store the all of the alpha values */
next_bit = 8*2;
scale_me = 7.9999f / (a0 - a1);
for( i = 3; i < 16*4; i += 4 )
{
/* convert this alpha value to a 3 bit number */
int svalue;
int value = (int)((uncompressed[i] - a1) * scale_me);
svalue = swizzle8[ value&7 ];
/* OK, store this value, start with the 1st byte */
compressed[next_bit >> 3] |= svalue << (next_bit & 7);
if( (next_bit & 7) > 5 )
{
/* spans 2 bytes, fill in the start of the 2nd byte */
compressed[1 + (next_bit >> 3)] |= svalue >> (8 - (next_bit & 7) );
}
next_bit += 3;
}
/* done compressing to DXT1 */
}

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/*
Jonathan Dummer
2007-07-31-10.32
simple DXT compression / decompression code
public domain
*/
#ifndef HEADER_IMAGE_DXT
#define HEADER_IMAGE_DXT
/**
Converts an image from an array of unsigned chars (RGB or RGBA) to
DXT1 or DXT5, then saves the converted image to disk.
\return 0 if failed, otherwise returns 1
**/
int
save_image_as_DDS
(
const char *filename,
int width, int height, int channels,
const unsigned char *const data
);
/**
take an image and convert it to DXT1 (no alpha)
**/
unsigned char*
convert_image_to_DXT1
(
const unsigned char *const uncompressed,
int width, int height, int channels,
int *out_size
);
/**
take an image and convert it to DXT5 (with alpha)
**/
unsigned char*
convert_image_to_DXT5
(
const unsigned char *const uncompressed,
int width, int height, int channels,
int *out_size
);
/** A bunch of DirectDraw Surface structures and flags **/
typedef struct
{
unsigned int dwMagic;
unsigned int dwSize;
unsigned int dwFlags;
unsigned int dwHeight;
unsigned int dwWidth;
unsigned int dwPitchOrLinearSize;
unsigned int dwDepth;
unsigned int dwMipMapCount;
unsigned int dwReserved1[ 11 ];
/* DDPIXELFORMAT */
struct
{
unsigned int dwSize;
unsigned int dwFlags;
unsigned int dwFourCC;
unsigned int dwRGBBitCount;
unsigned int dwRBitMask;
unsigned int dwGBitMask;
unsigned int dwBBitMask;
unsigned int dwAlphaBitMask;
}
sPixelFormat;
/* DDCAPS2 */
struct
{
unsigned int dwCaps1;
unsigned int dwCaps2;
unsigned int dwDDSX;
unsigned int dwReserved;
}
sCaps;
unsigned int dwReserved2;
}
DDS_header ;
/* the following constants were copied directly off the MSDN website */
/* The dwFlags member of the original DDSURFACEDESC2 structure
can be set to one or more of the following values. */
#define DDSD_CAPS 0x00000001
#define DDSD_HEIGHT 0x00000002
#define DDSD_WIDTH 0x00000004
#define DDSD_PITCH 0x00000008
#define DDSD_PIXELFORMAT 0x00001000
#define DDSD_MIPMAPCOUNT 0x00020000
#define DDSD_LINEARSIZE 0x00080000
#define DDSD_DEPTH 0x00800000
/* DirectDraw Pixel Format */
#define DDPF_ALPHAPIXELS 0x00000001
#define DDPF_FOURCC 0x00000004
#define DDPF_RGB 0x00000040
/* The dwCaps1 member of the DDSCAPS2 structure can be
set to one or more of the following values. */
#define DDSCAPS_COMPLEX 0x00000008
#define DDSCAPS_TEXTURE 0x00001000
#define DDSCAPS_MIPMAP 0x00400000
/* The dwCaps2 member of the DDSCAPS2 structure can be
set to one or more of the following values. */
#define DDSCAPS2_CUBEMAP 0x00000200
#define DDSCAPS2_CUBEMAP_POSITIVEX 0x00000400
#define DDSCAPS2_CUBEMAP_NEGATIVEX 0x00000800
#define DDSCAPS2_CUBEMAP_POSITIVEY 0x00001000
#define DDSCAPS2_CUBEMAP_NEGATIVEY 0x00002000
#define DDSCAPS2_CUBEMAP_POSITIVEZ 0x00004000
#define DDSCAPS2_CUBEMAP_NEGATIVEZ 0x00008000
#define DDSCAPS2_VOLUME 0x00200000
#endif /* HEADER_IMAGE_DXT */

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/*
Jonathan Dummer
image helper functions
MIT license
*/
#include "image_helper.h"
#include <stdlib.h>
#include <math.h>
/* Upscaling the image uses simple bilinear interpolation */
int
up_scale_image
(
const unsigned char* const orig,
int width, int height, int channels,
unsigned char* resampled,
int resampled_width, int resampled_height
)
{
float dx, dy;
int x, y, c;
/* error(s) check */
if ( (width < 1) || (height < 1) ||
(resampled_width < 2) || (resampled_height < 2) ||
(channels < 1) ||
(NULL == orig) || (NULL == resampled) )
{
/* signify badness */
return 0;
}
/*
for each given pixel in the new map, find the exact location
from the original map which would contribute to this guy
*/
dx = (width - 1.0f) / (resampled_width - 1.0f);
dy = (height - 1.0f) / (resampled_height - 1.0f);
for ( y = 0; y < resampled_height; ++y )
{
/* find the base y index and fractional offset from that */
float sampley = y * dy;
int inty = (int)sampley;
/* if( inty < 0 ) { inty = 0; } else */
if( inty > height - 2 ) { inty = height - 2; }
sampley -= inty;
for ( x = 0; x < resampled_width; ++x )
{
float samplex = x * dx;
int intx = (int)samplex;
int base_index;
/* find the base x index and fractional offset from that */
/* if( intx < 0 ) { intx = 0; } else */
if( intx > width - 2 ) { intx = width - 2; }
samplex -= intx;
/* base index into the original image */
base_index = (inty * width + intx) * channels;
for ( c = 0; c < channels; ++c )
{
/* do the sampling */
float value = 0.5f;
value += orig[base_index]
*(1.0f-samplex)*(1.0f-sampley);
value += orig[base_index+channels]
*(samplex)*(1.0f-sampley);
value += orig[base_index+width*channels]
*(1.0f-samplex)*(sampley);
value += orig[base_index+width*channels+channels]
*(samplex)*(sampley);
/* move to the next channel */
++base_index;
/* save the new value */
resampled[y*resampled_width*channels+x*channels+c] =
(unsigned char)(value);
}
}
}
/* done */
return 1;
}
int
mipmap_image
(
const unsigned char* const orig,
int width, int height, int channels,
unsigned char* resampled,
int block_size_x, int block_size_y
)
{
int mip_width, mip_height;
int i, j, c;
/* error check */
if( (width < 1) || (height < 1) ||
(channels < 1) || (orig == NULL) ||
(resampled == NULL) ||
(block_size_x < 1) || (block_size_y < 1) )
{
/* nothing to do */
return 0;
}
mip_width = width / block_size_x;
mip_height = height / block_size_y;
if( mip_width < 1 )
{
mip_width = 1;
}
if( mip_height < 1 )
{
mip_height = 1;
}
for( j = 0; j < mip_height; ++j )
{
for( i = 0; i < mip_width; ++i )
{
for( c = 0; c < channels; ++c )
{
const int index = (j*block_size_y)*width*channels + (i*block_size_x)*channels + c;
int sum_value;
int u,v;
int u_block = block_size_x;
int v_block = block_size_y;
int block_area;
/* do a bit of checking so we don't over-run the boundaries
(necessary for non-square textures!) */
if( block_size_x * (i+1) > width )
{
u_block = width - i*block_size_y;
}
if( block_size_y * (j+1) > height )
{
v_block = height - j*block_size_y;
}
block_area = u_block*v_block;
/* for this pixel, see what the average
of all the values in the block are.
note: start the sum at the rounding value, not at 0 */
sum_value = block_area >> 1;
for( v = 0; v < v_block; ++v )
for( u = 0; u < u_block; ++u )
{
sum_value += orig[index + v*width*channels + u*channels];
}
resampled[j*mip_width*channels + i*channels + c] = sum_value / block_area;
}
}
}
return 1;
}
int
scale_image_RGB_to_NTSC_safe
(
unsigned char* orig,
int width, int height, int channels
)
{
const float scale_lo = 16.0f - 0.499f;
const float scale_hi = 235.0f + 0.499f;
int i, j;
int nc = channels;
unsigned char scale_LUT[256];
/* error check */
if( (width < 1) || (height < 1) ||
(channels < 1) || (orig == NULL) )
{
/* nothing to do */
return 0;
}
/* set up the scaling Look Up Table */
for( i = 0; i < 256; ++i )
{
scale_LUT[i] = (unsigned char)((scale_hi - scale_lo) * i / 255.0f + scale_lo);
}
/* for channels = 2 or 4, ignore the alpha component */
nc -= 1 - (channels & 1);
/* OK, go through the image and scale any non-alpha components */
for( i = 0; i < width*height*channels; i += channels )
{
for( j = 0; j < nc; ++j )
{
orig[i+j] = scale_LUT[orig[i+j]];
}
}
return 1;
}
unsigned char clamp_byte( int x ) { return ( (x) < 0 ? (0) : ( (x) > 255 ? 255 : (x) ) ); }
/*
This function takes the RGB components of the image
and converts them into YCoCg. 3 components will be
re-ordered to CoYCg (for optimum DXT1 compression),
while 4 components will be ordered CoCgAY (for DXT5
compression).
*/
int
convert_RGB_to_YCoCg
(
unsigned char* orig,
int width, int height, int channels
)
{
int i;
/* error check */
if( (width < 1) || (height < 1) ||
(channels < 3) || (channels > 4) ||
(orig == NULL) )
{
/* nothing to do */
return -1;
}
/* do the conversion */
if( channels == 3 )
{
for( i = 0; i < width*height*3; i += 3 )
{
int r = orig[i+0];
int g = (orig[i+1] + 1) >> 1;
int b = orig[i+2];
int tmp = (2 + r + b) >> 2;
/* Co */
orig[i+0] = clamp_byte( 128 + ((r - b + 1) >> 1) );
/* Y */
orig[i+1] = clamp_byte( g + tmp );
/* Cg */
orig[i+2] = clamp_byte( 128 + g - tmp );
}
} else
{
for( i = 0; i < width*height*4; i += 4 )
{
int r = orig[i+0];
int g = (orig[i+1] + 1) >> 1;
int b = orig[i+2];
unsigned char a = orig[i+3];
int tmp = (2 + r + b) >> 2;
/* Co */
orig[i+0] = clamp_byte( 128 + ((r - b + 1) >> 1) );
/* Cg */
orig[i+1] = clamp_byte( 128 + g - tmp );
/* Alpha */
orig[i+2] = a;
/* Y */
orig[i+3] = clamp_byte( g + tmp );
}
}
/* done */
return 0;
}
/*
This function takes the YCoCg components of the image
and converts them into RGB. See above.
*/
int
convert_YCoCg_to_RGB
(
unsigned char* orig,
int width, int height, int channels
)
{
int i;
/* error check */
if( (width < 1) || (height < 1) ||
(channels < 3) || (channels > 4) ||
(orig == NULL) )
{
/* nothing to do */
return -1;
}
/* do the conversion */
if( channels == 3 )
{
for( i = 0; i < width*height*3; i += 3 )
{
int co = orig[i+0] - 128;
int y = orig[i+1];
int cg = orig[i+2] - 128;
/* R */
orig[i+0] = clamp_byte( y + co - cg );
/* G */
orig[i+1] = clamp_byte( y + cg );
/* B */
orig[i+2] = clamp_byte( y - co - cg );
}
} else
{
for( i = 0; i < width*height*4; i += 4 )
{
int co = orig[i+0] - 128;
int cg = orig[i+1] - 128;
unsigned char a = orig[i+2];
int y = orig[i+3];
/* R */
orig[i+0] = clamp_byte( y + co - cg );
/* G */
orig[i+1] = clamp_byte( y + cg );
/* B */
orig[i+2] = clamp_byte( y - co - cg );
/* A */
orig[i+3] = a;
}
}
/* done */
return 0;
}
float
find_max_RGBE
(
unsigned char *image,
int width, int height
)
{
float max_val = 0.0f;
unsigned char *img = image;
int i, j;
for( i = width * height; i > 0; --i )
{
/* float scale = powf( 2.0f, img[3] - 128.0f ) / 255.0f; */
float scale = ldexp( 1.0f / 255.0f, (int)(img[3]) - 128 );
for( j = 0; j < 3; ++j )
{
if( img[j] * scale > max_val )
{
max_val = img[j] * scale;
}
}
/* next pixel */
img += 4;
}
return max_val;
}
int
RGBE_to_RGBdivA
(
unsigned char *image,
int width, int height,
int rescale_to_max
)
{
/* local variables */
int i, iv;
unsigned char *img = image;
float scale = 1.0f;
/* error check */
if( (!image) || (width < 1) || (height < 1) )
{
return 0;
}
/* convert (note: no negative numbers, but 0.0 is possible) */
if( rescale_to_max )
{
scale = 255.0f / find_max_RGBE( image, width, height );
}
for( i = width * height; i > 0; --i )
{
/* decode this pixel, and find the max */
float r,g,b,e, m;
/* e = scale * powf( 2.0f, img[3] - 128.0f ) / 255.0f; */
e = scale * ldexp( 1.0f / 255.0f, (int)(img[3]) - 128 );
r = e * img[0];
g = e * img[1];
b = e * img[2];
m = (r > g) ? r : g;
m = (b > m) ? b : m;
/* and encode it into RGBdivA */
iv = (m != 0.0f) ? (int)(255.0f / m) : 1.0f;
iv = (iv < 1) ? 1 : iv;
img[3] = (iv > 255) ? 255 : iv;
iv = (int)(img[3] * r + 0.5f);
img[0] = (iv > 255) ? 255 : iv;
iv = (int)(img[3] * g + 0.5f);
img[1] = (iv > 255) ? 255 : iv;
iv = (int)(img[3] * b + 0.5f);
img[2] = (iv > 255) ? 255 : iv;
/* and on to the next pixel */
img += 4;
}
return 1;
}
int
RGBE_to_RGBdivA2
(
unsigned char *image,
int width, int height,
int rescale_to_max
)
{
/* local variables */
int i, iv;
unsigned char *img = image;
float scale = 1.0f;
/* error check */
if( (!image) || (width < 1) || (height < 1) )
{
return 0;
}
/* convert (note: no negative numbers, but 0.0 is possible) */
if( rescale_to_max )
{
scale = 255.0f * 255.0f / find_max_RGBE( image, width, height );
}
for( i = width * height; i > 0; --i )
{
/* decode this pixel, and find the max */
float r,g,b,e, m;
/* e = scale * powf( 2.0f, img[3] - 128.0f ) / 255.0f; */
e = scale * ldexp( 1.0f / 255.0f, (int)(img[3]) - 128 );
r = e * img[0];
g = e * img[1];
b = e * img[2];
m = (r > g) ? r : g;
m = (b > m) ? b : m;
/* and encode it into RGBdivA */
iv = (m != 0.0f) ? (int)sqrtf( 255.0f * 255.0f / m ) : 1.0f;
iv = (iv < 1) ? 1 : iv;
img[3] = (iv > 255) ? 255 : iv;
iv = (int)(img[3] * img[3] * r / 255.0f + 0.5f);
img[0] = (iv > 255) ? 255 : iv;
iv = (int)(img[3] * img[3] * g / 255.0f + 0.5f);
img[1] = (iv > 255) ? 255 : iv;
iv = (int)(img[3] * img[3] * b / 255.0f + 0.5f);
img[2] = (iv > 255) ? 255 : iv;
/* and on to the next pixel */
img += 4;
}
return 1;
}

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/*
Jonathan Dummer
Image helper functions
MIT license
*/
#ifndef HEADER_IMAGE_HELPER
#define HEADER_IMAGE_HELPER
#ifdef __cplusplus
extern "C" {
#endif
/**
This function upscales an image.
Not to be used to create MIPmaps,
but to make it square,
or to make it a power-of-two sized.
**/
int
up_scale_image
(
const unsigned char* const orig,
int width, int height, int channels,
unsigned char* resampled,
int resampled_width, int resampled_height
);
/**
This function downscales an image.
Used for creating MIPmaps,
the incoming image should be a
power-of-two sized.
**/
int
mipmap_image
(
const unsigned char* const orig,
int width, int height, int channels,
unsigned char* resampled,
int block_size_x, int block_size_y
);
/**
This function takes the RGB components of the image
and scales each channel from [0,255] to [16,235].
This makes the colors "Safe" for display on NTSC
displays. Note that this is _NOT_ a good idea for
loading images like normal- or height-maps!
**/
int
scale_image_RGB_to_NTSC_safe
(
unsigned char* orig,
int width, int height, int channels
);
/**
This function takes the RGB components of the image
and converts them into YCoCg. 3 components will be
re-ordered to CoYCg (for optimum DXT1 compression),
while 4 components will be ordered CoCgAY (for DXT5
compression).
**/
int
convert_RGB_to_YCoCg
(
unsigned char* orig,
int width, int height, int channels
);
/**
This function takes the YCoCg components of the image
and converts them into RGB. See above.
**/
int
convert_YCoCg_to_RGB
(
unsigned char* orig,
int width, int height, int channels
);
/**
Converts an HDR image from an array
of unsigned chars (RGBE) to RGBdivA
\return 0 if failed, otherwise returns 1
**/
int
RGBE_to_RGBdivA
(
unsigned char *image,
int width, int height,
int rescale_to_max
);
/**
Converts an HDR image from an array
of unsigned chars (RGBE) to RGBdivA2
\return 0 if failed, otherwise returns 1
**/
int
RGBE_to_RGBdivA2
(
unsigned char *image,
int width, int height,
int rescale_to_max
);
#ifdef __cplusplus
}
#endif
#endif /* HEADER_IMAGE_HELPER */

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/* stbi-1.16 - public domain JPEG/PNG reader - http://nothings.org/stb_image.c
when you control the images you're loading
QUICK NOTES:
Primarily of interest to game developers and other people who can
avoid problematic images and only need the trivial interface
JPEG baseline (no JPEG progressive, no oddball channel decimations)
PNG non-interlaced
BMP non-1bpp, non-RLE
TGA (not sure what subset, if a subset)
PSD (composited view only, no extra channels)
HDR (radiance rgbE format)
writes BMP,TGA (define STBI_NO_WRITE to remove code)
decoded from memory or through stdio FILE (define STBI_NO_STDIO to remove code)
supports installable dequantizing-IDCT, YCbCr-to-RGB conversion (define STBI_SIMD)
TODO:
stbi_info_*
history:
1.16 major bugfix - convert_format converted one too many pixels
1.15 initialize some fields for thread safety
1.14 fix threadsafe conversion bug; header-file-only version (#define STBI_HEADER_FILE_ONLY before including)
1.13 threadsafe
1.12 const qualifiers in the API
1.11 Support installable IDCT, colorspace conversion routines
1.10 Fixes for 64-bit (don't use "unsigned long")
optimized upsampling by Fabian "ryg" Giesen
1.09 Fix format-conversion for PSD code (bad global variables!)
1.08 Thatcher Ulrich's PSD code integrated by Nicolas Schulz
1.07 attempt to fix C++ warning/errors again
1.06 attempt to fix C++ warning/errors again
1.05 fix TGA loading to return correct *comp and use good luminance calc
1.04 default float alpha is 1, not 255; use 'void *' for stbi_image_free
1.03 bugfixes to STBI_NO_STDIO, STBI_NO_HDR
1.02 support for (subset of) HDR files, float interface for preferred access to them
1.01 fix bug: possible bug in handling right-side up bmps... not sure
fix bug: the stbi_bmp_load() and stbi_tga_load() functions didn't work at all
1.00 interface to zlib that skips zlib header
0.99 correct handling of alpha in palette
0.98 TGA loader by lonesock; dynamically add loaders (untested)
0.97 jpeg errors on too large a file; also catch another malloc failure
0.96 fix detection of invalid v value - particleman@mollyrocket forum
0.95 during header scan, seek to markers in case of padding
0.94 STBI_NO_STDIO to disable stdio usage; rename all #defines the same
0.93 handle jpegtran output; verbose errors
0.92 read 4,8,16,24,32-bit BMP files of several formats
0.91 output 24-bit Windows 3.0 BMP files
0.90 fix a few more warnings; bump version number to approach 1.0
0.61 bugfixes due to Marc LeBlanc, Christopher Lloyd
0.60 fix compiling as c++
0.59 fix warnings: merge Dave Moore's -Wall fixes
0.58 fix bug: zlib uncompressed mode len/nlen was wrong endian
0.57 fix bug: jpg last huffman symbol before marker was >9 bits but less
than 16 available
0.56 fix bug: zlib uncompressed mode len vs. nlen
0.55 fix bug: restart_interval not initialized to 0
0.54 allow NULL for 'int *comp'
0.53 fix bug in png 3->4; speedup png decoding
0.52 png handles req_comp=3,4 directly; minor cleanup; jpeg comments
0.51 obey req_comp requests, 1-component jpegs return as 1-component,
on 'test' only check type, not whether we support this variant
*/
#ifndef HEADER_STB_IMAGE_AUGMENTED
#define HEADER_STB_IMAGE_AUGMENTED
//// begin header file ////////////////////////////////////////////////////
//
// Limitations:
// - no progressive/interlaced support (jpeg, png)
// - 8-bit samples only (jpeg, png)
// - not threadsafe
// - channel subsampling of at most 2 in each dimension (jpeg)
// - no delayed line count (jpeg) -- IJG doesn't support either
//
// Basic usage (see HDR discussion below):
// int x,y,n;
// unsigned char *data = stbi_load(filename, &x, &y, &n, 0);
// // ... process data if not NULL ...
// // ... x = width, y = height, n = # 8-bit components per pixel ...
// // ... replace '0' with '1'..'4' to force that many components per pixel
// stbi_image_free(data)
//
// Standard parameters:
// int *x -- outputs image width in pixels
// int *y -- outputs image height in pixels
// int *comp -- outputs # of image components in image file
// int req_comp -- if non-zero, # of image components requested in result
//
// The return value from an image loader is an 'unsigned char *' which points
// to the pixel data. The pixel data consists of *y scanlines of *x pixels,
// with each pixel consisting of N interleaved 8-bit components; the first
// pixel pointed to is top-left-most in the image. There is no padding between
// image scanlines or between pixels, regardless of format. The number of
// components N is 'req_comp' if req_comp is non-zero, or *comp otherwise.
// If req_comp is non-zero, *comp has the number of components that _would_
// have been output otherwise. E.g. if you set req_comp to 4, you will always
// get RGBA output, but you can check *comp to easily see if it's opaque.
//
// An output image with N components has the following components interleaved
// in this order in each pixel:
//
// N=#comp components
// 1 grey
// 2 grey, alpha
// 3 red, green, blue
// 4 red, green, blue, alpha
//
// If image loading fails for any reason, the return value will be NULL,
// and *x, *y, *comp will be unchanged. The function stbi_failure_reason()
// can be queried for an extremely brief, end-user unfriendly explanation
// of why the load failed. Define STBI_NO_FAILURE_STRINGS to avoid
// compiling these strings at all, and STBI_FAILURE_USERMSG to get slightly
// more user-friendly ones.
//
// Paletted PNG and BMP images are automatically depalettized.
//
//
// ===========================================================================
//
// HDR image support (disable by defining STBI_NO_HDR)
//
// stb_image now supports loading HDR images in general, and currently
// the Radiance .HDR file format, although the support is provided
// generically. You can still load any file through the existing interface;
// if you attempt to load an HDR file, it will be automatically remapped to
// LDR, assuming gamma 2.2 and an arbitrary scale factor defaulting to 1;
// both of these constants can be reconfigured through this interface:
//
// stbi_hdr_to_ldr_gamma(2.2f);
// stbi_hdr_to_ldr_scale(1.0f);
//
// (note, do not use _inverse_ constants; stbi_image will invert them
// appropriately).
//
// Additionally, there is a new, parallel interface for loading files as
// (linear) floats to preserve the full dynamic range:
//
// float *data = stbi_loadf(filename, &x, &y, &n, 0);
//
// If you load LDR images through this interface, those images will
// be promoted to floating point values, run through the inverse of
// constants corresponding to the above:
//
// stbi_ldr_to_hdr_scale(1.0f);
// stbi_ldr_to_hdr_gamma(2.2f);
//
// Finally, given a filename (or an open file or memory block--see header
// file for details) containing image data, you can query for the "most
// appropriate" interface to use (that is, whether the image is HDR or
// not), using:
//
// stbi_is_hdr(char *filename);
#ifndef STBI_NO_STDIO
#include <stdio.h>
#endif
#define STBI_VERSION 1
enum
{
STBI_default = 0, // only used for req_comp
STBI_grey = 1,
STBI_grey_alpha = 2,
STBI_rgb = 3,
STBI_rgb_alpha = 4,
};
typedef unsigned char stbi_uc;
#ifdef __cplusplus
extern "C" {
#endif
// WRITING API
#if !defined(STBI_NO_WRITE) && !defined(STBI_NO_STDIO)
// write a BMP/TGA file given tightly packed 'comp' channels (no padding, nor bmp-stride-padding)
// (you must include the appropriate extension in the filename).
// returns TRUE on success, FALSE if couldn't open file, error writing file
extern int stbi_write_bmp (char const *filename, int x, int y, int comp, void *data);
extern int stbi_write_tga (char const *filename, int x, int y, int comp, void *data);
#endif
// PRIMARY API - works on images of any type
// load image by filename, open file, or memory buffer
#ifndef STBI_NO_STDIO
extern stbi_uc *stbi_load (char const *filename, int *x, int *y, int *comp, int req_comp);
extern stbi_uc *stbi_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp);
extern int stbi_info_from_file (FILE *f, int *x, int *y, int *comp);
#endif
extern stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
// for stbi_load_from_file, file pointer is left pointing immediately after image
#ifndef STBI_NO_HDR
#ifndef STBI_NO_STDIO
extern float *stbi_loadf (char const *filename, int *x, int *y, int *comp, int req_comp);
extern float *stbi_loadf_from_file (FILE *f, int *x, int *y, int *comp, int req_comp);
#endif
extern float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
extern void stbi_hdr_to_ldr_gamma(float gamma);
extern void stbi_hdr_to_ldr_scale(float scale);
extern void stbi_ldr_to_hdr_gamma(float gamma);
extern void stbi_ldr_to_hdr_scale(float scale);
#endif // STBI_NO_HDR
// get a VERY brief reason for failure
// NOT THREADSAFE
extern char *stbi_failure_reason (void);
// free the loaded image -- this is just free()
extern void stbi_image_free (void *retval_from_stbi_load);
// get image dimensions & components without fully decoding
extern int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp);
extern int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len);
#ifndef STBI_NO_STDIO
extern int stbi_info (char const *filename, int *x, int *y, int *comp);
extern int stbi_is_hdr (char const *filename);
extern int stbi_is_hdr_from_file(FILE *f);
#endif
// ZLIB client - used by PNG, available for other purposes
extern char *stbi_zlib_decode_malloc_guesssize(const char *buffer, int len, int initial_size, int *outlen);
extern char *stbi_zlib_decode_malloc(const char *buffer, int len, int *outlen);
extern int stbi_zlib_decode_buffer(char *obuffer, int olen, const char *ibuffer, int ilen);
extern char *stbi_zlib_decode_noheader_malloc(const char *buffer, int len, int *outlen);
extern int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen);
// TYPE-SPECIFIC ACCESS
// is it a jpeg?
extern int stbi_jpeg_test_memory (stbi_uc const *buffer, int len);
extern stbi_uc *stbi_jpeg_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
extern int stbi_jpeg_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp);
#ifndef STBI_NO_STDIO
extern stbi_uc *stbi_jpeg_load (char const *filename, int *x, int *y, int *comp, int req_comp);
extern int stbi_jpeg_test_file (FILE *f);
extern stbi_uc *stbi_jpeg_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp);
extern int stbi_jpeg_info (char const *filename, int *x, int *y, int *comp);
extern int stbi_jpeg_info_from_file (FILE *f, int *x, int *y, int *comp);
#endif
// is it a png?
extern int stbi_png_test_memory (stbi_uc const *buffer, int len);
extern stbi_uc *stbi_png_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
extern int stbi_png_info_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp);
#ifndef STBI_NO_STDIO
extern stbi_uc *stbi_png_load (char const *filename, int *x, int *y, int *comp, int req_comp);
extern int stbi_png_info (char const *filename, int *x, int *y, int *comp);
extern int stbi_png_test_file (FILE *f);
extern stbi_uc *stbi_png_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp);
extern int stbi_png_info_from_file (FILE *f, int *x, int *y, int *comp);
#endif
// is it a bmp?
extern int stbi_bmp_test_memory (stbi_uc const *buffer, int len);
extern stbi_uc *stbi_bmp_load (char const *filename, int *x, int *y, int *comp, int req_comp);
extern stbi_uc *stbi_bmp_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
#ifndef STBI_NO_STDIO
extern int stbi_bmp_test_file (FILE *f);
extern stbi_uc *stbi_bmp_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp);
#endif
// is it a tga?
extern int stbi_tga_test_memory (stbi_uc const *buffer, int len);
extern stbi_uc *stbi_tga_load (char const *filename, int *x, int *y, int *comp, int req_comp);
extern stbi_uc *stbi_tga_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
#ifndef STBI_NO_STDIO
extern int stbi_tga_test_file (FILE *f);
extern stbi_uc *stbi_tga_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp);
#endif
// is it a psd?
extern int stbi_psd_test_memory (stbi_uc const *buffer, int len);
extern stbi_uc *stbi_psd_load (char const *filename, int *x, int *y, int *comp, int req_comp);
extern stbi_uc *stbi_psd_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
#ifndef STBI_NO_STDIO
extern int stbi_psd_test_file (FILE *f);
extern stbi_uc *stbi_psd_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp);
#endif
// is it an hdr?
extern int stbi_hdr_test_memory (stbi_uc const *buffer, int len);
extern float * stbi_hdr_load (char const *filename, int *x, int *y, int *comp, int req_comp);
extern float * stbi_hdr_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
extern stbi_uc *stbi_hdr_load_rgbe (char const *filename, int *x, int *y, int *comp, int req_comp);
extern float * stbi_hdr_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
#ifndef STBI_NO_STDIO
extern int stbi_hdr_test_file (FILE *f);
extern float * stbi_hdr_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp);
extern stbi_uc *stbi_hdr_load_rgbe_file (FILE *f, int *x, int *y, int *comp, int req_comp);
#endif
// define new loaders
typedef struct
{
int (*test_memory)(stbi_uc const *buffer, int len);
stbi_uc * (*load_from_memory)(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
#ifndef STBI_NO_STDIO
int (*test_file)(FILE *f);
stbi_uc * (*load_from_file)(FILE *f, int *x, int *y, int *comp, int req_comp);
#endif
} stbi_loader;
// register a loader by filling out the above structure (you must defined ALL functions)
// returns 1 if added or already added, 0 if not added (too many loaders)
// NOT THREADSAFE
extern int stbi_register_loader(stbi_loader *loader);
// define faster low-level operations (typically SIMD support)
#if STBI_SIMD
typedef void (*stbi_idct_8x8)(uint8 *out, int out_stride, short data[64], unsigned short *dequantize);
// compute an integer IDCT on "input"
// input[x] = data[x] * dequantize[x]
// write results to 'out': 64 samples, each run of 8 spaced by 'out_stride'
// CLAMP results to 0..255
typedef void (*stbi_YCbCr_to_RGB_run)(uint8 *output, uint8 const *y, uint8 const *cb, uint8 const *cr, int count, int step);
// compute a conversion from YCbCr to RGB
// 'count' pixels
// write pixels to 'output'; each pixel is 'step' bytes (either 3 or 4; if 4, write '255' as 4th), order R,G,B
// y: Y input channel
// cb: Cb input channel; scale/biased to be 0..255
// cr: Cr input channel; scale/biased to be 0..255
extern void stbi_install_idct(stbi_idct_8x8 func);
extern void stbi_install_YCbCr_to_RGB(stbi_YCbCr_to_RGB_run func);
#endif // STBI_SIMD
#ifdef __cplusplus
}
#endif
//
//
//// end header file /////////////////////////////////////////////////////
#endif // STBI_INCLUDE_STB_IMAGE_H

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/*
adding DDS loading support to stbi
*/
#ifndef HEADER_STB_IMAGE_DDS_AUGMENTATION
#define HEADER_STB_IMAGE_DDS_AUGMENTATION
// is it a DDS file?
extern int stbi_dds_test_memory (stbi_uc const *buffer, int len);
extern stbi_uc *stbi_dds_load (char *filename, int *x, int *y, int *comp, int req_comp);
extern stbi_uc *stbi_dds_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
#ifndef STBI_NO_STDIO
extern int stbi_dds_test_file (FILE *f);
extern stbi_uc *stbi_dds_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp);
#endif
//
//
//// end header file /////////////////////////////////////////////////////
#endif // HEADER_STB_IMAGE_DDS_AUGMENTATION

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/// DDS file support, does decoding, _not_ direct uploading
/// (use SOIL for that ;-)
/// A bunch of DirectDraw Surface structures and flags
typedef struct {
unsigned int dwMagic;
unsigned int dwSize;
unsigned int dwFlags;
unsigned int dwHeight;
unsigned int dwWidth;
unsigned int dwPitchOrLinearSize;
unsigned int dwDepth;
unsigned int dwMipMapCount;
unsigned int dwReserved1[ 11 ];
// DDPIXELFORMAT
struct {
unsigned int dwSize;
unsigned int dwFlags;
unsigned int dwFourCC;
unsigned int dwRGBBitCount;
unsigned int dwRBitMask;
unsigned int dwGBitMask;
unsigned int dwBBitMask;
unsigned int dwAlphaBitMask;
} sPixelFormat;
// DDCAPS2
struct {
unsigned int dwCaps1;
unsigned int dwCaps2;
unsigned int dwDDSX;
unsigned int dwReserved;
} sCaps;
unsigned int dwReserved2;
} DDS_header ;
// the following constants were copied directly off the MSDN website
// The dwFlags member of the original DDSURFACEDESC2 structure
// can be set to one or more of the following values.
#define DDSD_CAPS 0x00000001
#define DDSD_HEIGHT 0x00000002
#define DDSD_WIDTH 0x00000004
#define DDSD_PITCH 0x00000008
#define DDSD_PIXELFORMAT 0x00001000
#define DDSD_MIPMAPCOUNT 0x00020000
#define DDSD_LINEARSIZE 0x00080000
#define DDSD_DEPTH 0x00800000
// DirectDraw Pixel Format
#define DDPF_ALPHAPIXELS 0x00000001
#define DDPF_FOURCC 0x00000004
#define DDPF_RGB 0x00000040
// The dwCaps1 member of the DDSCAPS2 structure can be
// set to one or more of the following values.
#define DDSCAPS_COMPLEX 0x00000008
#define DDSCAPS_TEXTURE 0x00001000
#define DDSCAPS_MIPMAP 0x00400000
// The dwCaps2 member of the DDSCAPS2 structure can be
// set to one or more of the following values.
#define DDSCAPS2_CUBEMAP 0x00000200
#define DDSCAPS2_CUBEMAP_POSITIVEX 0x00000400
#define DDSCAPS2_CUBEMAP_NEGATIVEX 0x00000800
#define DDSCAPS2_CUBEMAP_POSITIVEY 0x00001000
#define DDSCAPS2_CUBEMAP_NEGATIVEY 0x00002000
#define DDSCAPS2_CUBEMAP_POSITIVEZ 0x00004000
#define DDSCAPS2_CUBEMAP_NEGATIVEZ 0x00008000
#define DDSCAPS2_VOLUME 0x00200000
static int dds_test(stbi *s)
{
// check the magic number
if (get8(s) != 'D') return 0;
if (get8(s) != 'D') return 0;
if (get8(s) != 'S') return 0;
if (get8(s) != ' ') return 0;
// check header size
if (get32le(s) != 124) return 0;
return 1;
}
#ifndef STBI_NO_STDIO
int stbi_dds_test_file (FILE *f)
{
stbi s;
int r,n = ftell(f);
start_file(&s,f);
r = dds_test(&s);
fseek(f,n,SEEK_SET);
return r;
}
#endif
int stbi_dds_test_memory (stbi_uc const *buffer, int len)
{
stbi s;
start_mem(&s,buffer, len);
return dds_test(&s);
}
// helper functions
int stbi_convert_bit_range( int c, int from_bits, int to_bits )
{
int b = (1 << (from_bits - 1)) + c * ((1 << to_bits) - 1);
return (b + (b >> from_bits)) >> from_bits;
}
void stbi_rgb_888_from_565( unsigned int c, int *r, int *g, int *b )
{
*r = stbi_convert_bit_range( (c >> 11) & 31, 5, 8 );
*g = stbi_convert_bit_range( (c >> 05) & 63, 6, 8 );
*b = stbi_convert_bit_range( (c >> 00) & 31, 5, 8 );
}
void stbi_decode_DXT1_block(
unsigned char uncompressed[16*4],
unsigned char compressed[8] )
{
int next_bit = 4*8;
int i, r, g, b;
int c0, c1;
unsigned char decode_colors[4*4];
// find the 2 primary colors
c0 = compressed[0] + (compressed[1] << 8);
c1 = compressed[2] + (compressed[3] << 8);
stbi_rgb_888_from_565( c0, &r, &g, &b );
decode_colors[0] = r;
decode_colors[1] = g;
decode_colors[2] = b;
decode_colors[3] = 255;
stbi_rgb_888_from_565( c1, &r, &g, &b );
decode_colors[4] = r;
decode_colors[5] = g;
decode_colors[6] = b;
decode_colors[7] = 255;
if( c0 > c1 )
{
// no alpha, 2 interpolated colors
decode_colors[8] = (2*decode_colors[0] + decode_colors[4]) / 3;
decode_colors[9] = (2*decode_colors[1] + decode_colors[5]) / 3;
decode_colors[10] = (2*decode_colors[2] + decode_colors[6]) / 3;
decode_colors[11] = 255;
decode_colors[12] = (decode_colors[0] + 2*decode_colors[4]) / 3;
decode_colors[13] = (decode_colors[1] + 2*decode_colors[5]) / 3;
decode_colors[14] = (decode_colors[2] + 2*decode_colors[6]) / 3;
decode_colors[15] = 255;
} else
{
// 1 interpolated color, alpha
decode_colors[8] = (decode_colors[0] + decode_colors[4]) / 2;
decode_colors[9] = (decode_colors[1] + decode_colors[5]) / 2;
decode_colors[10] = (decode_colors[2] + decode_colors[6]) / 2;
decode_colors[11] = 255;
decode_colors[12] = 0;
decode_colors[13] = 0;
decode_colors[14] = 0;
decode_colors[15] = 0;
}
// decode the block
for( i = 0; i < 16*4; i += 4 )
{
int idx = ((compressed[next_bit>>3] >> (next_bit & 7)) & 3) * 4;
next_bit += 2;
uncompressed[i+0] = decode_colors[idx+0];
uncompressed[i+1] = decode_colors[idx+1];
uncompressed[i+2] = decode_colors[idx+2];
uncompressed[i+3] = decode_colors[idx+3];
}
// done
}
void stbi_decode_DXT23_alpha_block(
unsigned char uncompressed[16*4],
unsigned char compressed[8] )
{
int i, next_bit = 0;
// each alpha value gets 4 bits
for( i = 3; i < 16*4; i += 4 )
{
uncompressed[i] = stbi_convert_bit_range(
(compressed[next_bit>>3] >> (next_bit&7)) & 15,
4, 8 );
next_bit += 4;
}
}
void stbi_decode_DXT45_alpha_block(
unsigned char uncompressed[16*4],
unsigned char compressed[8] )
{
int i, next_bit = 8*2;
unsigned char decode_alpha[8];
// each alpha value gets 3 bits, and the 1st 2 bytes are the range
decode_alpha[0] = compressed[0];
decode_alpha[1] = compressed[1];
if( decode_alpha[0] > decode_alpha[1] )
{
// 6 step intermediate
decode_alpha[2] = (6*decode_alpha[0] + 1*decode_alpha[1]) / 7;
decode_alpha[3] = (5*decode_alpha[0] + 2*decode_alpha[1]) / 7;
decode_alpha[4] = (4*decode_alpha[0] + 3*decode_alpha[1]) / 7;
decode_alpha[5] = (3*decode_alpha[0] + 4*decode_alpha[1]) / 7;
decode_alpha[6] = (2*decode_alpha[0] + 5*decode_alpha[1]) / 7;
decode_alpha[7] = (1*decode_alpha[0] + 6*decode_alpha[1]) / 7;
} else
{
// 4 step intermediate, pluss full and none
decode_alpha[2] = (4*decode_alpha[0] + 1*decode_alpha[1]) / 5;
decode_alpha[3] = (3*decode_alpha[0] + 2*decode_alpha[1]) / 5;
decode_alpha[4] = (2*decode_alpha[0] + 3*decode_alpha[1]) / 5;
decode_alpha[5] = (1*decode_alpha[0] + 4*decode_alpha[1]) / 5;
decode_alpha[6] = 0;
decode_alpha[7] = 255;
}
for( i = 3; i < 16*4; i += 4 )
{
int idx = 0, bit;
bit = (compressed[next_bit>>3] >> (next_bit&7)) & 1;
idx += bit << 0;
++next_bit;
bit = (compressed[next_bit>>3] >> (next_bit&7)) & 1;
idx += bit << 1;
++next_bit;
bit = (compressed[next_bit>>3] >> (next_bit&7)) & 1;
idx += bit << 2;
++next_bit;
uncompressed[i] = decode_alpha[idx & 7];
}
// done
}
void stbi_decode_DXT_color_block(
unsigned char uncompressed[16*4],
unsigned char compressed[8] )
{
int next_bit = 4*8;
int i, r, g, b;
int c0, c1;
unsigned char decode_colors[4*3];
// find the 2 primary colors
c0 = compressed[0] + (compressed[1] << 8);
c1 = compressed[2] + (compressed[3] << 8);
stbi_rgb_888_from_565( c0, &r, &g, &b );
decode_colors[0] = r;
decode_colors[1] = g;
decode_colors[2] = b;
stbi_rgb_888_from_565( c1, &r, &g, &b );
decode_colors[3] = r;
decode_colors[4] = g;
decode_colors[5] = b;
// Like DXT1, but no choicees:
// no alpha, 2 interpolated colors
decode_colors[6] = (2*decode_colors[0] + decode_colors[3]) / 3;
decode_colors[7] = (2*decode_colors[1] + decode_colors[4]) / 3;
decode_colors[8] = (2*decode_colors[2] + decode_colors[5]) / 3;
decode_colors[9] = (decode_colors[0] + 2*decode_colors[3]) / 3;
decode_colors[10] = (decode_colors[1] + 2*decode_colors[4]) / 3;
decode_colors[11] = (decode_colors[2] + 2*decode_colors[5]) / 3;
// decode the block
for( i = 0; i < 16*4; i += 4 )
{
int idx = ((compressed[next_bit>>3] >> (next_bit & 7)) & 3) * 3;
next_bit += 2;
uncompressed[i+0] = decode_colors[idx+0];
uncompressed[i+1] = decode_colors[idx+1];
uncompressed[i+2] = decode_colors[idx+2];
}
// done
}
static stbi_uc *dds_load(stbi *s, int *x, int *y, int *comp, int req_comp)
{
// all variables go up front
stbi_uc *dds_data = NULL;
stbi_uc block[16*4];
stbi_uc compressed[8];
int flags, DXT_family;
int has_alpha, has_mipmap;
int is_compressed, cubemap_faces;
int block_pitch, num_blocks;
DDS_header header;
int i, sz, cf;
// load the header
if( sizeof( DDS_header ) != 128 )
{
return NULL;
}
getn( s, (stbi_uc*)(&header), 128 );
// and do some checking
if( header.dwMagic != (('D' << 0) | ('D' << 8) | ('S' << 16) | (' ' << 24)) ) return NULL;
if( header.dwSize != 124 ) return NULL;
flags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT;
if( (header.dwFlags & flags) != flags ) return NULL;
/* According to the MSDN spec, the dwFlags should contain
DDSD_LINEARSIZE if it's compressed, or DDSD_PITCH if
uncompressed. Some DDS writers do not conform to the
spec, so I need to make my reader more tolerant */
if( header.sPixelFormat.dwSize != 32 ) return NULL;
flags = DDPF_FOURCC | DDPF_RGB;
if( (header.sPixelFormat.dwFlags & flags) == 0 ) return NULL;
if( (header.sCaps.dwCaps1 & DDSCAPS_TEXTURE) == 0 ) return NULL;
// get the image data
s->img_x = header.dwWidth;
s->img_y = header.dwHeight;
s->img_n = 4;
is_compressed = (header.sPixelFormat.dwFlags & DDPF_FOURCC) / DDPF_FOURCC;
has_alpha = (header.sPixelFormat.dwFlags & DDPF_ALPHAPIXELS) / DDPF_ALPHAPIXELS;
has_mipmap = (header.sCaps.dwCaps1 & DDSCAPS_MIPMAP) && (header.dwMipMapCount > 1);
cubemap_faces = (header.sCaps.dwCaps2 & DDSCAPS2_CUBEMAP) / DDSCAPS2_CUBEMAP;
/* I need cubemaps to have square faces */
cubemap_faces &= (s->img_x == s->img_y);
cubemap_faces *= 5;
cubemap_faces += 1;
block_pitch = (s->img_x+3) >> 2;
num_blocks = block_pitch * ((s->img_y+3) >> 2);
/* let the user know what's going on */
*x = s->img_x;
*y = s->img_y;
*comp = s->img_n;
/* is this uncompressed? */
if( is_compressed )
{
/* compressed */
// note: header.sPixelFormat.dwFourCC is something like (('D'<<0)|('X'<<8)|('T'<<16)|('1'<<24))
DXT_family = 1 + (header.sPixelFormat.dwFourCC >> 24) - '1';
if( (DXT_family < 1) || (DXT_family > 5) ) return NULL;
/* check the expected size...oops, nevermind...
those non-compliant writers leave
dwPitchOrLinearSize == 0 */
// passed all the tests, get the RAM for decoding
sz = (s->img_x)*(s->img_y)*4*cubemap_faces;
dds_data = (unsigned char*)malloc( sz );
/* do this once for each face */
for( cf = 0; cf < cubemap_faces; ++ cf )
{
// now read and decode all the blocks
for( i = 0; i < num_blocks; ++i )
{
// where are we?
int bx, by, bw=4, bh=4;
int ref_x = 4 * (i % block_pitch);
int ref_y = 4 * (i / block_pitch);
// get the next block's worth of compressed data, and decompress it
if( DXT_family == 1 )
{
// DXT1
getn( s, compressed, 8 );
stbi_decode_DXT1_block( block, compressed );
} else if( DXT_family < 4 )
{
// DXT2/3
getn( s, compressed, 8 );
stbi_decode_DXT23_alpha_block ( block, compressed );
getn( s, compressed, 8 );
stbi_decode_DXT_color_block ( block, compressed );
} else
{
// DXT4/5
getn( s, compressed, 8 );
stbi_decode_DXT45_alpha_block ( block, compressed );
getn( s, compressed, 8 );
stbi_decode_DXT_color_block ( block, compressed );
}
// is this a partial block?
if( ref_x + 4 > s->img_x )
{
bw = s->img_x - ref_x;
}
if( ref_y + 4 > s->img_y )
{
bh = s->img_y - ref_y;
}
// now drop our decompressed data into the buffer
for( by = 0; by < bh; ++by )
{
int idx = 4*((ref_y+by+cf*s->img_x)*s->img_x + ref_x);
for( bx = 0; bx < bw*4; ++bx )
{
dds_data[idx+bx] = block[by*16+bx];
}
}
}
/* done reading and decoding the main image...
skip MIPmaps if present */
if( has_mipmap )
{
int block_size = 16;
if( DXT_family == 1 )
{
block_size = 8;
}
for( i = 1; i < header.dwMipMapCount; ++i )
{
int mx = s->img_x >> (i + 2);
int my = s->img_y >> (i + 2);
if( mx < 1 )
{
mx = 1;
}
if( my < 1 )
{
my = 1;
}
skip( s, mx*my*block_size );
}
}
}/* per cubemap face */
} else
{
/* uncompressed */
DXT_family = 0;
s->img_n = 3;
if( has_alpha )
{
s->img_n = 4;
}
*comp = s->img_n;
sz = s->img_x*s->img_y*s->img_n*cubemap_faces;
dds_data = (unsigned char*)malloc( sz );
/* do this once for each face */
for( cf = 0; cf < cubemap_faces; ++ cf )
{
/* read the main image for this face */
getn( s, &dds_data[cf*s->img_x*s->img_y*s->img_n], s->img_x*s->img_y*s->img_n );
/* done reading and decoding the main image...
skip MIPmaps if present */
if( has_mipmap )
{
for( i = 1; i < header.dwMipMapCount; ++i )
{
int mx = s->img_x >> i;
int my = s->img_y >> i;
if( mx < 1 )
{
mx = 1;
}
if( my < 1 )
{
my = 1;
}
skip( s, mx*my*s->img_n );
}
}
}
/* data was BGR, I need it RGB */
for( i = 0; i < sz; i += s->img_n )
{
unsigned char temp = dds_data[i];
dds_data[i] = dds_data[i+2];
dds_data[i+2] = temp;
}
}
/* finished decompressing into RGBA,
adjust the y size if we have a cubemap
note: sz is already up to date */
s->img_y *= cubemap_faces;
*y = s->img_y;
// did the user want something else, or
// see if all the alpha values are 255 (i.e. no transparency)
has_alpha = 0;
if( s->img_n == 4)
{
for( i = 3; (i < sz) && (has_alpha == 0); i += 4 )
{
has_alpha |= (dds_data[i] < 255);
}
}
if( (req_comp <= 4) && (req_comp >= 1) )
{
// user has some requirements, meet them
if( req_comp != s->img_n )
{
dds_data = convert_format( dds_data, s->img_n, req_comp, s->img_x, s->img_y );
*comp = s->img_n;
}
} else
{
// user had no requirements, only drop to RGB is no alpha
if( (has_alpha == 0) && (s->img_n == 4) )
{
dds_data = convert_format( dds_data, 4, 3, s->img_x, s->img_y );
*comp = 3;
}
}
// OK, done
return dds_data;
}
#ifndef STBI_NO_STDIO
stbi_uc *stbi_dds_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp)
{
stbi s;
start_file(&s,f);
return dds_load(&s,x,y,comp,req_comp);
}
stbi_uc *stbi_dds_load (char *filename, int *x, int *y, int *comp, int req_comp)
{
stbi_uc *data;
FILE *f = fopen(filename, "rb");
if (!f) return NULL;
data = stbi_dds_load_from_file(f,x,y,comp,req_comp);
fclose(f);
return data;
}
#endif
stbi_uc *stbi_dds_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp)
{
stbi s;
start_mem(&s,buffer, len);
return dds_load(&s,x,y,comp,req_comp);
}

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#include "Shader_Loader.h"
#include<iostream>
#include<fstream>
#include<vector>
using namespace Core;
Shader_Loader::Shader_Loader(void){}
Shader_Loader::~Shader_Loader(void){}
std::string Shader_Loader::ReadShader(char *filename)
{
std::string shaderCode;
std::ifstream file(filename, std::ios::in);
if (!file.good())
{
std::cout << "Can't read file " << filename << std::endl;
std::terminate();
}
file.seekg(0, std::ios::end);
shaderCode.resize((unsigned int)file.tellg());
file.seekg(0, std::ios::beg);
file.read(&shaderCode[0], shaderCode.size());
file.close();
return shaderCode;
}
GLuint Shader_Loader::CreateShader(GLenum shaderType, std::string
source, char* shaderName)
{
int compile_result = 0;
GLuint shader = glCreateShader(shaderType);
const char *shader_code_ptr = source.c_str();
const int shader_code_size = source.size();
glShaderSource(shader, 1, &shader_code_ptr, &shader_code_size);
glCompileShader(shader);
glGetShaderiv(shader, GL_COMPILE_STATUS, &compile_result);
//sprawdz bledy
if (compile_result == GL_FALSE)
{
int info_log_length = 0;
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &info_log_length);
std::vector<char> shader_log(info_log_length);
glGetShaderInfoLog(shader, info_log_length, NULL, &shader_log[0]);
std::cout << "ERROR compiling shader: " << shaderName << std::endl << &shader_log[0] << std::endl;
return 0;
}
return shader;
}
GLuint Shader_Loader::CreateProgram(char* vertexShaderFilename,
char* fragmentShaderFilename)
{
//wczytaj shadery
std::string vertex_shader_code = ReadShader(vertexShaderFilename);
std::string fragment_shader_code = ReadShader(fragmentShaderFilename);
GLuint vertex_shader = CreateShader(GL_VERTEX_SHADER, vertex_shader_code, "vertex shader");
GLuint fragment_shader = CreateShader(GL_FRAGMENT_SHADER, fragment_shader_code, "fragment shader");
int link_result = 0;
//stworz shader
GLuint program = glCreateProgram();
glAttachShader(program, vertex_shader);
glAttachShader(program, fragment_shader);
glLinkProgram(program);
glGetProgramiv(program, GL_LINK_STATUS, &link_result);
//sprawdz bledy w linkerze
if (link_result == GL_FALSE)
{
int info_log_length = 0;
glGetProgramiv(program, GL_INFO_LOG_LENGTH, &info_log_length);
std::vector<char> program_log(info_log_length);
glGetProgramInfoLog(program, info_log_length, NULL, &program_log[0]);
std::cout << "Shader Loader : LINK ERROR" << std::endl << &program_log[0] << std::endl;
return 0;
}
glDetachShader(program, vertex_shader);
glDetachShader(program, fragment_shader);
glDeleteShader(vertex_shader);
glDeleteShader(fragment_shader);
return program;
}
void Shader_Loader::DeleteProgram( GLuint program )
{
glDeleteProgram(program);
}

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#pragma once
#include "glew.h"
#include "freeglut.h"
#include <iostream>
namespace Core
{
class Shader_Loader
{
private:
std::string ReadShader(char *filename);
GLuint CreateShader(GLenum shaderType,
std::string source,
char* shaderName);
public:
Shader_Loader(void);
~Shader_Loader(void);
GLuint CreateProgram(char* VertexShaderFilename,
char* FragmentShaderFilename);
void DeleteProgram(GLuint program);
};
}

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#include "Texture.h"
#include <fstream>
#include <iostream>
#include <iterator>
#include <vector>
#include "SOIL/SOIL.h"
typedef unsigned char byte;
GLuint Core::LoadTexture( const char * filepath )
{
GLuint id;
glGenTextures(1, &id);
glBindTexture(GL_TEXTURE_2D, id);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
int w, h;
unsigned char* image = SOIL_load_image(filepath, &w, &h, 0, SOIL_LOAD_RGBA);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
glGenerateMipmap(GL_TEXTURE_2D);
SOIL_free_image_data(image);
return id;
}
void Core::SetActiveTexture(GLuint textureID, const char * shaderVariableName, GLuint programID, int textureUnit)
{
glUniform1i(glGetUniformLocation(programID, shaderVariableName), textureUnit);
glActiveTexture(GL_TEXTURE0 + textureUnit);
glBindTexture(GL_TEXTURE_2D, textureID);
}

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#pragma once
#include "glew.h"
#include "freeglut.h"
namespace Core
{
GLuint LoadTexture(const char * filepath);
// textureID - identyfikator tekstury otrzymany z funkcji LoadTexture
// shaderVariableName - nazwa zmiennej typu 'sampler2D' w shaderze, z ktora ma zostac powiazana tekstura
// programID - identyfikator aktualnego programu karty graficznej
// textureUnit - indeks jednostki teksturujacej - liczba od 0 do 7. Jezeli uzywa sie wielu tekstur w jednym shaderze, to kazda z nich nalezy powiazac z inna jednostka.
void SetActiveTexture(GLuint textureID, const char * shaderVariableName, GLuint programID, int textureUnit);
}

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#include "glew.h"
#include <GLFW/glfw3.h>
#include "glm.hpp"
#include "ext.hpp"
#include <iostream>
#include <cmath>
#include "Shader_Loader.h"
#include "Render_Utils.h"
//#include "Texture.h"
#include "Box.cpp"
#include <assimp/Importer.hpp>
#include <assimp/scene.h>
#include <assimp/postprocess.h>
#include <string>
namespace texture {
GLuint earth;
GLuint clouds;
GLuint moon;
GLuint ship;
GLuint grid;
GLuint earthNormal;
GLuint asteroidNormal;
GLuint shipNormal;
}
GLuint program;
GLuint programSun;
GLuint programTex;
Core::Shader_Loader shaderLoader;
Core::RenderContext shipContext;
Core::RenderContext sphereContext;
glm::vec3 cameraPos = glm::vec3(-4.f, 0, 0);
glm::vec3 cameraDir = glm::vec3(1.f, 0.f, 0.f);
glm::vec3 spaceshipPos = glm::vec3(0.479490f, 1.000000f, -2.124680f);
glm::vec3 spaceshipDir = glm::vec3(-0.354510f, 0.000000f, 0.935054f);
GLuint VAO,VBO;
float aspectRatio = 1.f;
float exposition = 1.f;
glm::vec3 lightPos = glm::vec3(-8, 4, 2);
glm::vec3 lightColor = glm::vec3(0.9, 0.7, 0.8)*100;
glm::vec3 spotlightPos = glm::vec3(0, 0, 0);
glm::vec3 spotlightConeDir = glm::vec3(0, 0, 0);
glm::vec3 spotlightColor = glm::vec3(0.5, 0.9, 0.8)*10;
float spotlightPhi = 3.14 / 3;
glm::mat4 createCameraMatrix()
{
glm::vec3 cameraSide = glm::normalize(glm::cross(cameraDir,glm::vec3(0.f,1.f,0.f)));
glm::vec3 cameraUp = glm::normalize(glm::cross(cameraSide,cameraDir));
glm::mat4 cameraRotrationMatrix = glm::mat4({
cameraSide.x,cameraSide.y,cameraSide.z,0,
cameraUp.x,cameraUp.y,cameraUp.z ,0,
-cameraDir.x,-cameraDir.y,-cameraDir.z,0,
0.,0.,0.,1.,
});
cameraRotrationMatrix = glm::transpose(cameraRotrationMatrix);
glm::mat4 cameraMatrix = cameraRotrationMatrix * glm::translate(-cameraPos);
return cameraMatrix;
}
glm::mat4 createPerspectiveMatrix()
{
glm::mat4 perspectiveMatrix;
float n = 0.05;
float f = 20.;
float a1 = glm::min(aspectRatio, 1.f);
float a2 = glm::min(1 / aspectRatio, 1.f);
perspectiveMatrix = glm::mat4({
1,0.,0.,0.,
0.,aspectRatio,0.,0.,
0.,0.,(f+n) / (n - f),2*f * n / (n - f),
0.,0.,-1.,0.,
});
perspectiveMatrix=glm::transpose(perspectiveMatrix);
return perspectiveMatrix;
}
void drawObjectColor(Core::RenderContext& context, glm::mat4 modelMatrix, glm::vec3 color) {
glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
glUniformMatrix4fv(glGetUniformLocation(program, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
glUniform1f(glGetUniformLocation(program, "exposition"), exposition);
glUniform3f(glGetUniformLocation(program, "color"), color.x, color.y, color.z);
glUniform3f(glGetUniformLocation(program, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
glUniform3f(glGetUniformLocation(program, "lightPos"), lightPos.x, lightPos.y, lightPos.z);
glUniform3f(glGetUniformLocation(program, "lightColor"), lightColor.x, lightColor.y, lightColor.z);
glUniform3f(glGetUniformLocation(program, "spotlightConeDir"), spotlightConeDir.x, spotlightConeDir.y, spotlightConeDir.z);
glUniform3f(glGetUniformLocation(program, "spotlightPos"), spotlightPos.x, spotlightPos.y, spotlightPos.z);
glUniform3f(glGetUniformLocation(program, "spotlightColor"), spotlightColor.x, spotlightColor.y, spotlightColor.z);
glUniform1f(glGetUniformLocation(program, "spotlightPhi"), spotlightPhi);
Core::DrawContext(context);
}
void renderScene(GLFWwindow* window)
{
glClearColor(0.0f, 0.3f, 0.3f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glm::mat4 transformation;
float time = glfwGetTime();
glUseProgram(program);
drawObjectColor(sphereContext, glm::mat4(), glm::vec3(0.95, 0.1, 0.1));
glm::vec3 spaceshipSide = glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.f, 1.f, 0.f)));
glm::vec3 spaceshipUp = glm::normalize(glm::cross(spaceshipSide, spaceshipDir));
glm::mat4 specshipCameraRotrationMatrix = glm::mat4({
spaceshipSide.x,spaceshipSide.y,spaceshipSide.z,0,
spaceshipUp.x,spaceshipUp.y,spaceshipUp.z ,0,
-spaceshipDir.x,-spaceshipDir.y,-spaceshipDir.z,0,
0.,0.,0.,1.,
});
//drawObjectColor(shipContext,
// glm::translate(cameraPos + 1.5 * cameraDir + cameraUp * -0.5f) * inveseCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()),
// glm::vec3(0.3, 0.3, 0.5)
// );
drawObjectColor(shipContext,
glm::translate(spaceshipPos) * specshipCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()) * glm::scale(glm::vec3(0.1)),
glm::vec3(0.3, 0.3, 0.5)
);
spotlightPos = spaceshipPos + 0.5 * spaceshipDir;
spotlightConeDir = spaceshipDir;
glUseProgram(0);
glfwSwapBuffers(window);
}
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
aspectRatio = width / float(height);
glViewport(0, 0, width, height);
}
void loadModelToContext(std::string path, Core::RenderContext& context)
{
Assimp::Importer import;
const aiScene* scene = import.ReadFile(path, aiProcess_Triangulate | aiProcess_CalcTangentSpace);
if (!scene || scene->mFlags & AI_SCENE_FLAGS_INCOMPLETE || !scene->mRootNode)
{
std::cout << "ERROR::ASSIMP::" << import.GetErrorString() << std::endl;
return;
}
context.initFromAssimpMesh(scene->mMeshes[0]);
}
void init(GLFWwindow* window)
{
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
glEnable(GL_DEPTH_TEST);
program = shaderLoader.CreateProgram("shaders/shader_8_1.vert", "shaders/shader_8_1.frag");
programSun = shaderLoader.CreateProgram("shaders/shader_8_sun.vert", "shaders/shader_8_sun.frag");
loadModelToContext("./models/sphere.obj", sphereContext);
loadModelToContext("./models/spaceship.obj", shipContext);
}
void shutdown(GLFWwindow* window)
{
shaderLoader.DeleteProgram(program);
}
//obsluga wejscia
void processInput(GLFWwindow* window)
{
glm::vec3 spaceshipSide = glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.f, 1.f, 0.f)));
glm::vec3 spaceshipUp = glm::vec3(0.f, 1.f, 0.f);
float angleSpeed = 0.05f;
float moveSpeed = 0.05f;
if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS) {
glfwSetWindowShouldClose(window, true);
}
if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS)
spaceshipPos += spaceshipDir * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS)
spaceshipPos -= spaceshipDir * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_X) == GLFW_PRESS)
spaceshipPos += spaceshipSide * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_Z) == GLFW_PRESS)
spaceshipPos -= spaceshipSide * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_Q) == GLFW_PRESS)
spaceshipPos += spaceshipUp * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_E) == GLFW_PRESS)
spaceshipPos -= spaceshipUp * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS)
spaceshipDir = glm::vec3(glm::eulerAngleY(angleSpeed) * glm::vec4(spaceshipDir, 0));
if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
spaceshipDir = glm::vec3(glm::eulerAngleY(-angleSpeed) * glm::vec4(spaceshipDir, 0));
cameraPos = spaceshipPos - 1.5 * spaceshipDir + glm::vec3(0, 1, 0) * 0.5f;
cameraDir = spaceshipDir;
if (glfwGetKey(window, GLFW_KEY_1) == GLFW_PRESS)
exposition -= 0.05;
if (glfwGetKey(window, GLFW_KEY_2) == GLFW_PRESS)
exposition += 0.05;
//cameraDir = glm::normalize(-cameraPos);
}
// funkcja jest glowna petla
void renderLoop(GLFWwindow* window) {
while (!glfwWindowShouldClose(window))
{
processInput(window);
renderScene(window);
glfwPollEvents();
}
}
//}

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#include "glew.h"
#include <GLFW/glfw3.h>
#include "glm.hpp"
#include "ext.hpp"
#include <iostream>
#include <cmath>
#include "Shader_Loader.h"
#include "Render_Utils.h"
//#include "Texture.h"
#include "Box.cpp"
#include <assimp/Importer.hpp>
#include <assimp/scene.h>
#include <assimp/postprocess.h>
#include <string>
namespace texture {
GLuint earth;
GLuint clouds;
GLuint moon;
GLuint ship;
GLuint grid;
GLuint earthNormal;
GLuint asteroidNormal;
GLuint shipNormal;
}
GLuint program;
GLuint programSun;
GLuint programTex;
Core::Shader_Loader shaderLoader;
Core::RenderContext shipContext;
Core::RenderContext sphereContext;
glm::vec3 cameraPos = glm::vec3(-4.f, 0, 0);
glm::vec3 cameraDir = glm::vec3(1.f, 0.f, 0.f);
glm::vec3 spaceshipPos = glm::vec3(-4.f, 0, 0);
glm::vec3 spaceshipDir = glm::vec3(1.f, 0.f, 0.f);
GLuint VAO,VBO;
float aspectRatio = 1.f;
float exposition = 1.f;
glm::vec3 lightPos = glm::vec3(0, 0, 0);
glm::vec3 lightColor = glm::vec3(0.9, 0.7, 0.8)*100;
glm::vec3 spotlightPos = glm::vec3(0, 0, 0);
glm::vec3 spotlightConeDir = glm::vec3(0, 0, 0);
glm::vec3 spotlightColor = glm::vec3(0.5, 0.9, 0.8)*10;
float spotlightPhi = 3.14 / 3;
float lastTime = -1.f;
float deltaTime = 0.f;
void updateDeltaTime(float time) {
if (lastTime < 0) {
lastTime = time;
return;
}
deltaTime = time - lastTime;
if (deltaTime > 0.1) deltaTime = 0.1;
lastTime = time;
}
glm::mat4 createCameraMatrix()
{
glm::vec3 cameraSide = glm::normalize(glm::cross(cameraDir,glm::vec3(0.f,1.f,0.f)));
glm::vec3 cameraUp = glm::normalize(glm::cross(cameraSide,cameraDir));
glm::mat4 cameraRotrationMatrix = glm::mat4({
cameraSide.x,cameraSide.y,cameraSide.z,0,
cameraUp.x,cameraUp.y,cameraUp.z ,0,
-cameraDir.x,-cameraDir.y,-cameraDir.z,0,
0.,0.,0.,1.,
});
cameraRotrationMatrix = glm::transpose(cameraRotrationMatrix);
glm::mat4 cameraMatrix = cameraRotrationMatrix * glm::translate(-cameraPos);
return cameraMatrix;
}
glm::mat4 createPerspectiveMatrix()
{
glm::mat4 perspectiveMatrix;
float n = 0.05;
float f = 20.;
float a1 = glm::min(aspectRatio, 1.f);
float a2 = glm::min(1 / aspectRatio, 1.f);
perspectiveMatrix = glm::mat4({
1,0.,0.,0.,
0.,aspectRatio,0.,0.,
0.,0.,(f+n) / (n - f),2*f * n / (n - f),
0.,0.,-1.,0.,
});
perspectiveMatrix=glm::transpose(perspectiveMatrix);
return perspectiveMatrix;
}
void drawObjectColor(Core::RenderContext& context, glm::mat4 modelMatrix, glm::vec3 color) {
glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
glUniformMatrix4fv(glGetUniformLocation(program, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
glUniform1f(glGetUniformLocation(program, "exposition"), exposition);
glUniform3f(glGetUniformLocation(program, "color"), color.x, color.y, color.z);
glUniform3f(glGetUniformLocation(program, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
glUniform3f(glGetUniformLocation(program, "lightPos"), lightPos.x, lightPos.y, lightPos.z);
glUniform3f(glGetUniformLocation(program, "lightColor"), lightColor.x, lightColor.y, lightColor.z);
glUniform3f(glGetUniformLocation(program, "spotlightConeDir"), spotlightConeDir.x, spotlightConeDir.y, spotlightConeDir.z);
glUniform3f(glGetUniformLocation(program, "spotlightPos"), spotlightPos.x, spotlightPos.y, spotlightPos.z);
glUniform3f(glGetUniformLocation(program, "spotlightColor"), spotlightColor.x, spotlightColor.y, spotlightColor.z);
glUniform1f(glGetUniformLocation(program, "spotlightPhi"), spotlightPhi);
Core::DrawContext(context);
}
void renderScene(GLFWwindow* window)
{
glClearColor(0.0f, 0.3f, 0.3f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glm::mat4 transformation;
float time = glfwGetTime();
updateDeltaTime(time);
glUseProgram(programSun);
transformation = createPerspectiveMatrix() * createCameraMatrix();
glUniformMatrix4fv(glGetUniformLocation(programSun, "transformation"), 1, GL_FALSE, (float*)&transformation);
glUniform3f(glGetUniformLocation(programSun, "color"), 0.9,0.8,0.4);
Core::DrawContext(sphereContext);
glUseProgram(program);
drawObjectColor(sphereContext, glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(4.f, 0, 0)) * glm::scale(glm::vec3(0.3f)), glm::vec3(0.2, 0.7, 0.3));
drawObjectColor(sphereContext,
glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(4.f, 0, 0)) * glm::eulerAngleY(time) * glm::translate(glm::vec3(1.f, 0, 0)) * glm::scale(glm::vec3(0.1f)),
glm::vec3(0.5, 0.5, 0.5));
glm::vec3 spaceshipSide = glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.f, 1.f, 0.f)));
glm::vec3 spaceshipUp = glm::normalize(glm::cross(spaceshipSide, spaceshipDir));
glm::mat4 specshipCameraRotrationMatrix = glm::mat4({
spaceshipSide.x,spaceshipSide.y,spaceshipSide.z,0,
spaceshipUp.x,spaceshipUp.y,spaceshipUp.z ,0,
-spaceshipDir.x,-spaceshipDir.y,-spaceshipDir.z,0,
0.,0.,0.,1.,
});
//drawObjectColor(shipContext,
// glm::translate(cameraPos + 1.5 * cameraDir + cameraUp * -0.5f) * inveseCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()),
// glm::vec3(0.3, 0.3, 0.5)
// );
drawObjectColor(shipContext,
glm::translate(spaceshipPos) * specshipCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>())*glm::scale(glm::vec3(0.1)),
glm::vec3(0.3, 0.3, 0.5)
);
spotlightPos = spaceshipPos + 0.5 * spaceshipDir;
spotlightConeDir = spaceshipDir;
glUseProgram(0);
glfwSwapBuffers(window);
}
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
aspectRatio = width / float(height);
glViewport(0, 0, width, height);
}
void loadModelToContext(std::string path, Core::RenderContext& context)
{
Assimp::Importer import;
const aiScene* scene = import.ReadFile(path, aiProcess_Triangulate | aiProcess_CalcTangentSpace);
if (!scene || scene->mFlags & AI_SCENE_FLAGS_INCOMPLETE || !scene->mRootNode)
{
std::cout << "ERROR::ASSIMP::" << import.GetErrorString() << std::endl;
return;
}
context.initFromAssimpMesh(scene->mMeshes[0]);
}
void init(GLFWwindow* window)
{
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
glEnable(GL_DEPTH_TEST);
program = shaderLoader.CreateProgram("shaders/shader_8_1.vert", "shaders/shader_8_1.frag");
programSun = shaderLoader.CreateProgram("shaders/shader_8_sun.vert", "shaders/shader_8_sun.frag");
loadModelToContext("./models/sphere.obj", sphereContext);
loadModelToContext("./models/spaceship.obj", shipContext);
}
void shutdown(GLFWwindow* window)
{
shaderLoader.DeleteProgram(program);
}
//obsluga wejscia
void processInput(GLFWwindow* window)
{
glm::vec3 spaceshipSide = glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.f, 1.f, 0.f)));
glm::vec3 spaceshipUp = glm::vec3(0.f, 1.f, 0.f);
float angleSpeed = 0.05f * deltaTime * 60;
float moveSpeed = 0.05f * deltaTime * 60;
if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS) {
glfwSetWindowShouldClose(window, true);
}
if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS)
spaceshipPos += spaceshipDir * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS)
spaceshipPos -= spaceshipDir * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_X) == GLFW_PRESS)
spaceshipPos += spaceshipSide * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_Z) == GLFW_PRESS)
spaceshipPos -= spaceshipSide * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_Q) == GLFW_PRESS)
spaceshipPos += spaceshipUp * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_E) == GLFW_PRESS)
spaceshipPos -= spaceshipUp * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS)
spaceshipDir = glm::vec3(glm::eulerAngleY(angleSpeed) * glm::vec4(spaceshipDir, 0));
if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
spaceshipDir = glm::vec3(glm::eulerAngleY(-angleSpeed) * glm::vec4(spaceshipDir, 0));
cameraPos = spaceshipPos - 1.5 * spaceshipDir + glm::vec3(0, 1, 0) * 0.5f;
cameraDir = spaceshipDir;
if (glfwGetKey(window, GLFW_KEY_1) == GLFW_PRESS)
exposition -= 0.05;
if (glfwGetKey(window, GLFW_KEY_2) == GLFW_PRESS)
exposition += 0.05;
//cameraDir = glm::normalize(-cameraPos);
}
// funkcja jest glowna petla
void renderLoop(GLFWwindow* window) {
while (!glfwWindowShouldClose(window))
{
processInput(window);
renderScene(window);
glfwPollEvents();
}
}
//}

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#include "glew.h"
#include <GLFW/glfw3.h>
#include "glm.hpp"
#include "ext.hpp"
#include <iostream>
#include <cmath>
#include "projekt.hpp"
int main(int argc, char** argv)
{
// inicjalizacja glfw
glfwInit();
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#ifdef __APPLE__
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
#endif
// tworzenie okna za pomoca glfw
GLFWwindow* window = glfwCreateWindow(500, 500, "FirstWindow", NULL, NULL);
if (window == NULL)
{
std::cout << "Failed to create GLFW window" << std::endl;
glfwTerminate();
return -1;
}
glfwMakeContextCurrent(window);
// ladowanie OpenGL za pomoca glew
glewInit();
glViewport(0, 0, 500, 500);
init(window);
// uruchomienie glownej petli
renderLoop(window);
shutdown(window);
glfwTerminate();
return 0;
}

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/* Copyright (c) 2012, Gerhard Reitmayr
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
#ifndef OBJLOAD_H_
#define OBJLOAD_H_
#include <algorithm>
#include <fstream>
#include <iostream>
#include <sstream>
#include <string>
#include <map>
#include <set>
#include <vector>
namespace obj {
struct Model {
std::vector<float> vertex; //< 3 * N entries
std::vector<float> texCoord; //< 2 * N entries
std::vector<float> normal; //< 3 * N entries
std::map<std::string, std::vector<unsigned short> > faces; //< assume triangels and uniform indexing
};
struct ObjModel {
struct FaceVertex {
FaceVertex() : v(-1), t(-1), n(-1) {}
int v, t, n;
bool operator<( const FaceVertex & other ) const;
bool operator==( const FaceVertex & other ) const;
};
typedef std::pair<std::vector<FaceVertex>, std::vector<unsigned> > FaceList;
std::vector<float> vertex; //< 3 * N entries
std::vector<float> texCoord; //< 2 * N entries
std::vector<float> normal; //< 3 * N entries
std::map<std::string, FaceList > faces;
};
inline ObjModel parseObjModel( std::istream & in);
inline void tesselateObjModel( ObjModel & obj);
inline ObjModel tesselateObjModel( const ObjModel & obj );
inline Model convertToModel( const ObjModel & obj );
inline Model loadModel( std::istream & in );
inline Model loadModelFromString( const std::string & in );
inline Model loadModelFromFile( const std::string & in );
inline std::ostream & operator<<( std::ostream & out, const Model & m );
inline std::ostream & operator<<( std::ostream & out, const ObjModel::FaceVertex & f);
// ---------------------------- Implementation starts here -----------------------
inline bool ObjModel::FaceVertex::operator<( const ObjModel::FaceVertex & other ) const {
return (v < other.v) || (v == other.v && t < other.t ) || (v == other.v && t == other.t && n < other.n);
}
inline bool ObjModel::FaceVertex::operator==( const ObjModel::FaceVertex & other ) const {
return (v == other.v && t == other.t && n == other.n);
}
template <typename T>
inline std::istream & operator>>(std::istream & in, std::vector<T> & vec ){
T temp;
if(in >> temp)
vec.push_back(temp);
return in;
}
template <typename T>
inline std::istream & operator>>(std::istream & in, std::set<T> & vec ){
T temp;
if(in >> temp)
vec.insert(temp);
return in;
}
inline std::istream & operator>>( std::istream & in, ObjModel::FaceVertex & f){
if(in >> f.v){
if(in.peek() == '/'){
in.get();
in >> f.t;
in.clear();
if(in.peek() == '/'){
in.get();
in >> f.n;
in.clear();
}
}
in.clear();
--f.v;
--f.t;
--f.n;
}
// std::cout << f << std::endl;
return in;
}
ObjModel parseObjModel( std::istream & in ){
char line[1024];
std::string op;
std::istringstream line_in;
std::set<std::string> groups;
groups.insert("default");
ObjModel data;
while(in.good()){
in.getline(line, 1023);
line_in.clear();
line_in.str(line);
if(!(line_in >> op))
continue;
if(op == "v")
line_in >> data.vertex >> data.vertex >> data.vertex;
else if(op == "vt")
line_in >> data.texCoord >> data.texCoord >> data.texCoord;
else if(op == "vn")
line_in >> data.normal >> data.normal >> data.normal;
else if(op == "g"){
groups.clear();
while(line_in >> groups) ;
groups.insert("default");
}
else if(op == "f") {
std::vector<ObjModel::FaceVertex> list;
while(line_in >> list) ;
for(std::set<std::string>::const_iterator g = groups.begin(); g != groups.end(); ++g){
ObjModel::FaceList & fl = data.faces[*g];
fl.second.push_back(fl.first.size());
fl.first.insert(fl.first.end(), list.begin(), list.end());
}
}
}
for(std::map<std::string, ObjModel::FaceList>::iterator g = data.faces.begin(); g != data.faces.end(); ++g){
ObjModel::FaceList & fl = g->second;
fl.second.push_back(fl.first.size());
}
return data;
}
inline void tesselateObjModel( std::vector<ObjModel::FaceVertex> & input, std::vector<unsigned> & input_start){
std::vector<ObjModel::FaceVertex> output;
std::vector<unsigned> output_start;
output.reserve(input.size());
output_start.reserve(input_start.size());
for(std::vector<unsigned>::const_iterator s = input_start.begin(); s != input_start.end() - 1; ++s){
const unsigned size = *(s+1) - *s;
if(size > 3){
const ObjModel::FaceVertex & start_vertex = input[*s];
for( int i = 1; i < (int)size-1; ++i){
output_start.push_back(output.size());
output.push_back(start_vertex);
output.push_back(input[*s+i]);
output.push_back(input[*s+i+1]);
}
} else {
output_start.push_back(output.size());
output.insert(output.end(), input.begin() + *s, input.begin() + *(s+1));
}
}
output_start.push_back(output.size());
input.swap(output);
input_start.swap(output_start);
}
void tesselateObjModel( ObjModel & obj){
for(std::map<std::string, ObjModel::FaceList>::iterator g = obj.faces.begin(); g != obj.faces.end(); ++g){
ObjModel::FaceList & fl = g->second;
tesselateObjModel(fl.first, fl.second);
}
}
Model convertToModel( const ObjModel & obj ) {
// insert all face vertices into a vector and make unique
std::vector<ObjModel::FaceVertex> unique(obj.faces.find("default")->second.first);
std::sort(unique.begin(), unique.end());
unique.erase( std::unique(unique.begin(), unique.end()), unique.end());
// build a new model with repeated vertices/texcoords/normals to have single indexing
Model model;
for(std::vector<ObjModel::FaceVertex>::const_iterator f = unique.begin(); f != unique.end(); ++f){
model.vertex.insert(model.vertex.end(), obj.vertex.begin() + 3*f->v, obj.vertex.begin() + 3*f->v + 3);
if(!obj.texCoord.empty()){
const int index = (f->t > -1) ? f->t : f->v;
model.texCoord.insert(model.texCoord.end(), obj.texCoord.begin() + 2*index, obj.texCoord.begin() + 2*index + 2);
}
if(!obj.normal.empty()){
const int index = (f->n > -1) ? f->n : f->v;
model.normal.insert(model.normal.end(), obj.normal.begin() + 3*index, obj.normal.begin() + 3*index + 3);
}
}
// look up unique index and transform face descriptions
for(std::map<std::string, ObjModel::FaceList>::const_iterator g = obj.faces.begin(); g != obj.faces.end(); ++g){
const std::string & name = g->first;
const ObjModel::FaceList & fl = g->second;
std::vector<unsigned short> & v = model.faces[g->first];
v.reserve(fl.first.size());
for(std::vector<ObjModel::FaceVertex>::const_iterator f = fl.first.begin(); f != fl.first.end(); ++f){
const unsigned short index = std::distance(unique.begin(), std::lower_bound(unique.begin(), unique.end(), *f));
v.push_back(index);
}
}
return model;
}
ObjModel tesselateObjModel( const ObjModel & obj ){
ObjModel result = obj;
tesselateObjModel(result);
return result;
}
Model loadModel( std::istream & in ){
ObjModel model = parseObjModel(in);
tesselateObjModel(model);
return convertToModel(model);
}
Model loadModelFromString( const std::string & str ){
std::istringstream in(str);
return loadModel(in);
}
Model loadModelFromFile( const std::string & str) {
std::ifstream in(str.c_str());
return loadModel(in);
}
inline std::ostream & operator<<( std::ostream & out, const ObjModel::FaceVertex & f){
out << f.v << "\t" << f.t << "\t" << f.n;
return out;
}
std::ostream & operator<<( std::ostream & out, const Model & m ){
if(!m.vertex.empty()){
out << "vertex\n";
for(int i = 0; i < (int)m.vertex.size(); ++i)
out << m.vertex[i] << (((i % 3) == 2)?"\n":"\t");
}
if(!m.texCoord.empty()){
out << "texCoord\n";
for(int i = 0; i < (int)m.texCoord.size(); ++i)
out << m.texCoord[i] << (((i % 2) == 1)?"\n":"\t");
}
if(!m.normal.empty()){
out << "normal\n";
for(int i = 0; i < (int)m.normal.size(); ++i)
out << m.normal[i] << (((i % 3) == 2)?"\n":"\t");
}
if(!m.faces.empty()){
out << "faces\t";
for(std::map<std::string, std::vector<unsigned short> >::const_iterator g = m.faces.begin(); g != m.faces.end(); ++g){
out << g->first << " ";
}
out << "\n";
// for(int i = 0; i < m.face.size(); ++i)
// out << m.face[i] << (((i % 3) == 2)?"\n":"\t");
}
return out;
}
} // namespace obj
#endif // OBJLOAD_H_

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#include "glew.h"
#include <GLFW/glfw3.h>
#include "glm.hpp"
#include "ext.hpp"
#include <iostream>
#include <cmath>
#include "Shader_Loader.h"
#include "Render_Utils.h"
#include "Texture.h"
GLuint program;
Core::Shader_Loader shaderLoader;
Core::RenderContext shipContext;
Core::RenderContext sphereContext;
float aspectRatio = 1.f;
glm::vec3 cameraPos = glm::vec3(-4.0f, 0.0f, 0.0f);
glm::vec3 cameraFront = glm::vec3(1.0f, 0.0f, 0.0f);
glm::vec3 cameraUp = glm::vec3(0.0f, 1.0f, 0.0f);
//declarations of functions
void loadModelToContext(std::string path, Core::RenderContext& context);
void framebuffer_size_callback(GLFWwindow* window, int width, int height);
void processInput(GLFWwindow* window);
void shutdown(GLFWwindow* window);
glm::mat4 createPerspectiveMatrix();
glm::mat4 createCameraMatrix();
void drawObject(Core::RenderContext& context, glm::mat4 modelMatrix, glm::vec3 color);
void init(GLFWwindow* window)
{
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
glEnable(GL_DEPTH_TEST);
program = shaderLoader.CreateProgram("shaders/pbr.vert", "shaders/pbr.frag");
//load models here
loadModelToContext("./models/sphere.obj", sphereContext);
loadModelToContext("./models/spaceship.obj", shipContext);
}
void renderScene(GLFWwindow* window){
glClearColor(0.0f, 0.3f, 0.3f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glUseProgram(program);
//desired objects go here
drawObject(sphereContext, glm::mat4(), glm::vec3(255, 0.1, 251));
//desired objects end here
glUseProgram(0);
glfwSwapBuffers(window);
}
void processInput(GLFWwindow* window)
{
if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS)
glfwSetWindowShouldClose(window, true);
float cameraSpeed = 0.05f;
if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS)
cameraPos += cameraSpeed * cameraFront;
if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS)
cameraPos -= cameraSpeed * cameraFront;
if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS)
cameraPos -= glm::normalize(glm::cross(cameraFront, cameraUp)) * cameraSpeed;
if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
cameraPos += glm::normalize(glm::cross(cameraFront, cameraUp)) * cameraSpeed;
}
//functions below need not be touched
void drawObject(Core::RenderContext& context, glm::mat4 modelMatrix, glm::vec3 color) {
glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
glUniformMatrix4fv(glGetUniformLocation(program, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
glUniform1f(glGetUniformLocation(program, "exposition"), 1.0f);
glUniform3f(glGetUniformLocation(program, "color"), color.x, color.y, color.z);
glUniform1f(glGetUniformLocation(program, "metallic"), 1.0f);
glUniform1f(glGetUniformLocation(program, "roughness"), 1.0f);
glUniform3f(glGetUniformLocation(program, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
glUniform3f(glGetUniformLocation(program, "lightPos"), 0.0f, 0.0f, 0.0f);
glUniform3f(glGetUniformLocation(program, "lightColor"), 30.f, 0.f, 0.f);
Core::DrawContext(context);
}
void loadModelToContext(std::string path, Core::RenderContext& context)
{
Assimp::Importer import;
const aiScene* scene = import.ReadFile(path, aiProcess_Triangulate | aiProcess_CalcTangentSpace);
if (!scene || scene->mFlags & AI_SCENE_FLAGS_INCOMPLETE || !scene->mRootNode)
{
std::cout << "ERROR::ASSIMP::" << import.GetErrorString() << std::endl;
return;
}
context.initFromAssimpMesh(scene->mMeshes[0]);
}
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
aspectRatio = width / float(height);
glViewport(0, 0, width, height);
}
void shutdown(GLFWwindow* window)
{
shaderLoader.DeleteProgram(program);
}
void renderLoop(GLFWwindow* window) {
while (!glfwWindowShouldClose(window))
{
processInput(window);
renderScene(window);
glfwPollEvents();
}
}
glm::mat4 createPerspectiveMatrix()
{
glm::mat4 perspectiveMatrix;
float n = 0.05;
float f = 20.;
float a1 = glm::min(aspectRatio, 1.f);
float a2 = glm::min(1 / aspectRatio, 1.f);
perspectiveMatrix = glm::mat4({
1,0.,0.,0.,
0.,aspectRatio,0.,0.,
0.,0.,(f + n) / (n - f),2 * f * n / (n - f),
0.,0.,-1.,0.,
});
perspectiveMatrix = glm::transpose(perspectiveMatrix);
return perspectiveMatrix;
}
glm::mat4 createCameraMatrix()
{
glm::vec3 cameraSide = glm::normalize(glm::cross(cameraFront, glm::vec3(0.f, 1.f, 0.f)));
glm::vec3 cameraUp = glm::normalize(glm::cross(cameraSide, cameraFront));
glm::mat4 cameraRotrationMatrix = glm::mat4({
cameraSide.x,cameraSide.y,cameraSide.z,0,
cameraUp.x,cameraUp.y,cameraUp.z ,0,
-cameraFront.x,-cameraFront.y,-cameraFront.z,0,
0.,0.,0.,1.,
});
cameraRotrationMatrix = glm::transpose(cameraRotrationMatrix);
glm::mat4 cameraMatrix = cameraRotrationMatrix * glm::translate(-cameraPos);
return cameraMatrix;
}

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# See <http://EditorConfig.org> for details
[*.{h,hpp,inl}]
end_of_line = lf
insert_final_newline = true
trim_trailing_whitespace = true
indent_size = 4
indent_style = space

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Definition of the base class for all importer worker classes. */
#ifndef INCLUDED_AI_BASEIMPORTER_H
#define INCLUDED_AI_BASEIMPORTER_H
#include "Exceptional.h"
#include <vector>
#include <set>
#include <map>
#include <assimp/types.h>
#include <assimp/ProgressHandler.hpp>
#include <assimp/ai_assert.h>
struct aiScene;
struct aiImporterDesc;
namespace Assimp {
class Importer;
class IOSystem;
class BaseProcess;
class SharedPostProcessInfo;
class IOStream;
// utility to do char4 to uint32 in a portable manner
#define AI_MAKE_MAGIC(string) ((uint32_t)((string[0] << 24) + \
(string[1] << 16) + (string[2] << 8) + string[3]))
// ---------------------------------------------------------------------------
/** FOR IMPORTER PLUGINS ONLY: The BaseImporter defines a common interface
* for all importer worker classes.
*
* The interface defines two functions: CanRead() is used to check if the
* importer can handle the format of the given file. If an implementation of
* this function returns true, the importer then calls ReadFile() which
* imports the given file. ReadFile is not overridable, it just calls
* InternReadFile() and catches any ImportErrorException that might occur.
*/
class ASSIMP_API BaseImporter {
friend class Importer;
private:
/* Pushes state into importer for the importer scale */
virtual void UpdateImporterScale( Importer* pImp );
public:
/** Constructor to be privately used by #Importer */
BaseImporter() AI_NO_EXCEPT;
/** Destructor, private as well */
virtual ~BaseImporter();
// -------------------------------------------------------------------
/** Returns whether the class can handle the format of the given file.
*
* The implementation should be as quick as possible. A check for
* the file extension is enough. If no suitable loader is found with
* this strategy, CanRead() is called again, the 'checkSig' parameter
* set to true this time. Now the implementation is expected to
* perform a full check of the file structure, possibly searching the
* first bytes of the file for magic identifiers or keywords.
*
* @param pFile Path and file name of the file to be examined.
* @param pIOHandler The IO handler to use for accessing any file.
* @param checkSig Set to true if this method is called a second time.
* This time, the implementation may take more time to examine the
* contents of the file to be loaded for magic bytes, keywords, etc
* to be able to load files with unknown/not existent file extensions.
* @return true if the class can read this file, false if not.
*/
virtual bool CanRead(
const std::string& pFile,
IOSystem* pIOHandler,
bool checkSig
) const = 0;
// -------------------------------------------------------------------
/** Imports the given file and returns the imported data.
* If the import succeeds, ownership of the data is transferred to
* the caller. If the import fails, NULL is returned. The function
* takes care that any partially constructed data is destroyed
* beforehand.
*
* @param pImp #Importer object hosting this loader.
* @param pFile Path of the file to be imported.
* @param pIOHandler IO-Handler used to open this and possible other files.
* @return The imported data or NULL if failed. If it failed a
* human-readable error description can be retrieved by calling
* GetErrorText()
*
* @note This function is not intended to be overridden. Implement
* InternReadFile() to do the import. If an exception is thrown somewhere
* in InternReadFile(), this function will catch it and transform it into
* a suitable response to the caller.
*/
aiScene* ReadFile(
Importer* pImp,
const std::string& pFile,
IOSystem* pIOHandler
);
// -------------------------------------------------------------------
/** Returns the error description of the last error that occurred.
* @return A description of the last error that occurred. An empty
* string if there was no error.
*/
const std::string& GetErrorText() const {
return m_ErrorText;
}
// -------------------------------------------------------------------
/** Called prior to ReadFile().
* The function is a request to the importer to update its configuration
* basing on the Importer's configuration property list.
* @param pImp Importer instance
*/
virtual void SetupProperties(
const Importer* pImp
);
// -------------------------------------------------------------------
/** Called by #Importer::GetImporterInfo to get a description of
* some loader features. Importers must provide this information. */
virtual const aiImporterDesc* GetInfo() const = 0;
/**
* Will be called only by scale process when scaling is requested.
*/
virtual void SetFileScale(double scale)
{
fileScale = scale;
}
virtual double GetFileScale() const
{
return fileScale;
}
enum ImporterUnits {
M,
MM,
CM,
INCHES,
FEET
};
/**
* Assimp Importer
* unit conversions available
* if you need another measurment unit add it below.
* it's currently defined in assimp that we prefer meters.
* */
std::map<ImporterUnits, double> importerUnits = {
{ImporterUnits::M, 1},
{ImporterUnits::CM, 0.01},
{ImporterUnits::MM, 0.001},
{ImporterUnits::INCHES, 0.0254},
{ImporterUnits::FEET, 0.3048}
};
virtual void SetApplicationUnits( const ImporterUnits& unit )
{
importerScale = importerUnits[unit];
applicationUnits = unit;
}
virtual const ImporterUnits& GetApplicationUnits()
{
return applicationUnits;
}
// -------------------------------------------------------------------
/** Called by #Importer::GetExtensionList for each loaded importer.
* Take the extension list contained in the structure returned by
* #GetInfo and insert all file extensions into the given set.
* @param extension set to collect file extensions in*/
void GetExtensionList(std::set<std::string>& extensions);
protected:
ImporterUnits applicationUnits = ImporterUnits::M;
double importerScale = 1.0;
double fileScale = 1.0;
// -------------------------------------------------------------------
/** Imports the given file into the given scene structure. The
* function is expected to throw an ImportErrorException if there is
* an error. If it terminates normally, the data in aiScene is
* expected to be correct. Override this function to implement the
* actual importing.
* <br>
* The output scene must meet the following requirements:<br>
* <ul>
* <li>At least a root node must be there, even if its only purpose
* is to reference one mesh.</li>
* <li>aiMesh::mPrimitiveTypes may be 0. The types of primitives
* in the mesh are determined automatically in this case.</li>
* <li>the vertex data is stored in a pseudo-indexed "verbose" format.
* In fact this means that every vertex that is referenced by
* a face is unique. Or the other way round: a vertex index may
* not occur twice in a single aiMesh.</li>
* <li>aiAnimation::mDuration may be -1. Assimp determines the length
* of the animation automatically in this case as the length of
* the longest animation channel.</li>
* <li>aiMesh::mBitangents may be NULL if tangents and normals are
* given. In this case bitangents are computed as the cross product
* between normal and tangent.</li>
* <li>There needn't be a material. If none is there a default material
* is generated. However, it is recommended practice for loaders
* to generate a default material for yourself that matches the
* default material setting for the file format better than Assimp's
* generic default material. Note that default materials *should*
* be named AI_DEFAULT_MATERIAL_NAME if they're just color-shaded
* or AI_DEFAULT_TEXTURED_MATERIAL_NAME if they define a (dummy)
* texture. </li>
* </ul>
* If the AI_SCENE_FLAGS_INCOMPLETE-Flag is <b>not</b> set:<ul>
* <li> at least one mesh must be there</li>
* <li> there may be no meshes with 0 vertices or faces</li>
* </ul>
* This won't be checked (except by the validation step): Assimp will
* crash if one of the conditions is not met!
*
* @param pFile Path of the file to be imported.
* @param pScene The scene object to hold the imported data.
* NULL is not a valid parameter.
* @param pIOHandler The IO handler to use for any file access.
* NULL is not a valid parameter. */
virtual void InternReadFile(
const std::string& pFile,
aiScene* pScene,
IOSystem* pIOHandler
) = 0;
public: // static utilities
// -------------------------------------------------------------------
/** A utility for CanRead().
*
* The function searches the header of a file for a specific token
* and returns true if this token is found. This works for text
* files only. There is a rudimentary handling of UNICODE files.
* The comparison is case independent.
*
* @param pIOSystem IO System to work with
* @param file File name of the file
* @param tokens List of tokens to search for
* @param numTokens Size of the token array
* @param searchBytes Number of bytes to be searched for the tokens.
*/
static bool SearchFileHeaderForToken(
IOSystem* pIOSystem,
const std::string& file,
const char** tokens,
unsigned int numTokens,
unsigned int searchBytes = 200,
bool tokensSol = false,
bool noAlphaBeforeTokens = false);
// -------------------------------------------------------------------
/** @brief Check whether a file has a specific file extension
* @param pFile Input file
* @param ext0 Extension to check for. Lowercase characters only, no dot!
* @param ext1 Optional second extension
* @param ext2 Optional third extension
* @note Case-insensitive
*/
static bool SimpleExtensionCheck (
const std::string& pFile,
const char* ext0,
const char* ext1 = NULL,
const char* ext2 = NULL);
// -------------------------------------------------------------------
/** @brief Extract file extension from a string
* @param pFile Input file
* @return Extension without trailing dot, all lowercase
*/
static std::string GetExtension (
const std::string& pFile);
// -------------------------------------------------------------------
/** @brief Check whether a file starts with one or more magic tokens
* @param pFile Input file
* @param pIOHandler IO system to be used
* @param magic n magic tokens
* @params num Size of magic
* @param offset Offset from file start where tokens are located
* @param Size of one token, in bytes. Maximally 16 bytes.
* @return true if one of the given tokens was found
*
* @note For convenience, the check is also performed for the
* byte-swapped variant of all tokens (big endian). Only for
* tokens of size 2,4.
*/
static bool CheckMagicToken(
IOSystem* pIOHandler,
const std::string& pFile,
const void* magic,
unsigned int num,
unsigned int offset = 0,
unsigned int size = 4);
// -------------------------------------------------------------------
/** An utility for all text file loaders. It converts a file to our
* UTF8 character set. Errors are reported, but ignored.
*
* @param data File buffer to be converted to UTF8 data. The buffer
* is resized as appropriate. */
static void ConvertToUTF8(
std::vector<char>& data);
// -------------------------------------------------------------------
/** An utility for all text file loaders. It converts a file from our
* UTF8 character set back to ISO-8859-1. Errors are reported, but ignored.
*
* @param data File buffer to be converted from UTF8 to ISO-8859-1. The buffer
* is resized as appropriate. */
static void ConvertUTF8toISO8859_1(
std::string& data);
// -------------------------------------------------------------------
/// @brief Enum to define, if empty files are ok or not.
enum TextFileMode {
ALLOW_EMPTY,
FORBID_EMPTY
};
// -------------------------------------------------------------------
/** Utility for text file loaders which copies the contents of the
* file into a memory buffer and converts it to our UTF8
* representation.
* @param stream Stream to read from.
* @param data Output buffer to be resized and filled with the
* converted text file data. The buffer is terminated with
* a binary 0.
* @param mode Whether it is OK to load empty text files. */
static void TextFileToBuffer(
IOStream* stream,
std::vector<char>& data,
TextFileMode mode = FORBID_EMPTY);
// -------------------------------------------------------------------
/** Utility function to move a std::vector into a aiScene array
* @param vec The vector to be moved
* @param out The output pointer to the allocated array.
* @param numOut The output count of elements copied. */
template<typename T>
AI_FORCE_INLINE
static void CopyVector(
std::vector<T>& vec,
T*& out,
unsigned int& outLength)
{
outLength = unsigned(vec.size());
if (outLength) {
out = new T[outLength];
std::swap_ranges(vec.begin(), vec.end(), out);
}
}
protected:
/// Error description in case there was one.
std::string m_ErrorText;
/// Currently set progress handler.
ProgressHandler* m_progress;
};
} // end of namespace Assimp
#endif // AI_BASEIMPORTER_H_INC

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file Bitmap.h
* @brief Defines bitmap format helper for textures
*
* Used for file formats which embed their textures into the model file.
*/
#ifndef AI_BITMAP_H_INC
#define AI_BITMAP_H_INC
#include "defs.h"
#include <stdint.h>
#include <cstddef>
struct aiTexture;
namespace Assimp {
class IOStream;
class ASSIMP_API Bitmap {
protected:
struct Header {
uint16_t type;
uint32_t size;
uint16_t reserved1;
uint16_t reserved2;
uint32_t offset;
// We define the struct size because sizeof(Header) might return a wrong result because of structure padding.
// Moreover, we must use this ugly and error prone syntax because Visual Studio neither support constexpr or sizeof(name_of_field).
static const std::size_t header_size =
sizeof(uint16_t) + // type
sizeof(uint32_t) + // size
sizeof(uint16_t) + // reserved1
sizeof(uint16_t) + // reserved2
sizeof(uint32_t); // offset
};
struct DIB {
uint32_t size;
int32_t width;
int32_t height;
uint16_t planes;
uint16_t bits_per_pixel;
uint32_t compression;
uint32_t image_size;
int32_t x_resolution;
int32_t y_resolution;
uint32_t nb_colors;
uint32_t nb_important_colors;
// We define the struct size because sizeof(DIB) might return a wrong result because of structure padding.
// Moreover, we must use this ugly and error prone syntax because Visual Studio neither support constexpr or sizeof(name_of_field).
static const std::size_t dib_size =
sizeof(uint32_t) + // size
sizeof(int32_t) + // width
sizeof(int32_t) + // height
sizeof(uint16_t) + // planes
sizeof(uint16_t) + // bits_per_pixel
sizeof(uint32_t) + // compression
sizeof(uint32_t) + // image_size
sizeof(int32_t) + // x_resolution
sizeof(int32_t) + // y_resolution
sizeof(uint32_t) + // nb_colors
sizeof(uint32_t); // nb_important_colors
};
static const std::size_t mBytesPerPixel = 4;
public:
static void Save(aiTexture* texture, IOStream* file);
protected:
static void WriteHeader(Header& header, IOStream* file);
static void WriteDIB(DIB& dib, IOStream* file);
static void WriteData(aiTexture* texture, IOStream* file);
};
}
#endif // AI_BITMAP_H_INC

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file Provides cheat implementations for IOSystem and IOStream to
* redirect exporter output to a blob chain.*/
#ifndef AI_BLOBIOSYSTEM_H_INCLUDED
#define AI_BLOBIOSYSTEM_H_INCLUDED
#include <assimp/IOStream.hpp>
#include <assimp/cexport.h>
#include <assimp/IOSystem.hpp>
#include <assimp/DefaultLogger.hpp>
#include <stdint.h>
#include <set>
#include <vector>
namespace Assimp {
class BlobIOSystem;
// --------------------------------------------------------------------------------------------
/** Redirect IOStream to a blob */
// --------------------------------------------------------------------------------------------
class BlobIOStream : public IOStream
{
public:
BlobIOStream(BlobIOSystem* creator, const std::string& file, size_t initial = 4096)
: buffer()
, cur_size()
, file_size()
, cursor()
, initial(initial)
, file(file)
, creator(creator)
{
}
virtual ~BlobIOStream();
public:
// -------------------------------------------------------------------
aiExportDataBlob* GetBlob()
{
aiExportDataBlob* blob = new aiExportDataBlob();
blob->size = file_size;
blob->data = buffer;
buffer = NULL;
return blob;
}
public:
// -------------------------------------------------------------------
virtual size_t Read( void *,
size_t,
size_t )
{
return 0;
}
// -------------------------------------------------------------------
virtual size_t Write(const void* pvBuffer,
size_t pSize,
size_t pCount)
{
pSize *= pCount;
if (cursor + pSize > cur_size) {
Grow(cursor + pSize);
}
memcpy(buffer+cursor, pvBuffer, pSize);
cursor += pSize;
file_size = std::max(file_size,cursor);
return pCount;
}
// -------------------------------------------------------------------
virtual aiReturn Seek(size_t pOffset,
aiOrigin pOrigin)
{
switch(pOrigin)
{
case aiOrigin_CUR:
cursor += pOffset;
break;
case aiOrigin_END:
cursor = file_size - pOffset;
break;
case aiOrigin_SET:
cursor = pOffset;
break;
default:
return AI_FAILURE;
}
if (cursor > file_size) {
Grow(cursor);
}
file_size = std::max(cursor,file_size);
return AI_SUCCESS;
}
// -------------------------------------------------------------------
virtual size_t Tell() const
{
return cursor;
}
// -------------------------------------------------------------------
virtual size_t FileSize() const
{
return file_size;
}
// -------------------------------------------------------------------
virtual void Flush()
{
// ignore
}
private:
// -------------------------------------------------------------------
void Grow(size_t need = 0)
{
// 1.5 and phi are very heap-friendly growth factors (the first
// allows for frequent re-use of heap blocks, the second
// forms a fibonacci sequence with similar characteristics -
// since this heavily depends on the heap implementation
// and other factors as well, i'll just go with 1.5 since
// it is quicker to compute).
size_t new_size = std::max(initial, std::max( need, cur_size+(cur_size>>1) ));
const uint8_t* const old = buffer;
buffer = new uint8_t[new_size];
if (old) {
memcpy(buffer,old,cur_size);
delete[] old;
}
cur_size = new_size;
}
private:
uint8_t* buffer;
size_t cur_size,file_size, cursor, initial;
const std::string file;
BlobIOSystem* const creator;
};
#define AI_BLOBIO_MAGIC "$blobfile"
// --------------------------------------------------------------------------------------------
/** Redirect IOSystem to a blob */
// --------------------------------------------------------------------------------------------
class BlobIOSystem : public IOSystem
{
friend class BlobIOStream;
typedef std::pair<std::string, aiExportDataBlob*> BlobEntry;
public:
BlobIOSystem()
{
}
virtual ~BlobIOSystem()
{
for(BlobEntry& blobby : blobs) {
delete blobby.second;
}
}
public:
// -------------------------------------------------------------------
const char* GetMagicFileName() const
{
return AI_BLOBIO_MAGIC;
}
// -------------------------------------------------------------------
aiExportDataBlob* GetBlobChain()
{
// one must be the master
aiExportDataBlob* master = NULL, *cur;
for(const BlobEntry& blobby : blobs) {
if (blobby.first == AI_BLOBIO_MAGIC) {
master = blobby.second;
break;
}
}
if (!master) {
ASSIMP_LOG_ERROR("BlobIOSystem: no data written or master file was not closed properly.");
return NULL;
}
master->name.Set("");
cur = master;
for(const BlobEntry& blobby : blobs) {
if (blobby.second == master) {
continue;
}
cur->next = blobby.second;
cur = cur->next;
// extract the file extension from the file written
const std::string::size_type s = blobby.first.find_first_of('.');
cur->name.Set(s == std::string::npos ? blobby.first : blobby.first.substr(s+1));
}
// give up blob ownership
blobs.clear();
return master;
}
public:
// -------------------------------------------------------------------
virtual bool Exists( const char* pFile) const {
return created.find(std::string(pFile)) != created.end();
}
// -------------------------------------------------------------------
virtual char getOsSeparator() const {
return '/';
}
// -------------------------------------------------------------------
virtual IOStream* Open(const char* pFile,
const char* pMode)
{
if (pMode[0] != 'w') {
return NULL;
}
created.insert(std::string(pFile));
return new BlobIOStream(this,std::string(pFile));
}
// -------------------------------------------------------------------
virtual void Close( IOStream* pFile)
{
delete pFile;
}
private:
// -------------------------------------------------------------------
void OnDestruct(const std::string& filename, BlobIOStream* child)
{
// we don't know in which the files are closed, so we
// can't reliably say that the first must be the master
// file ...
blobs.push_back( BlobEntry(filename,child->GetBlob()) );
}
private:
std::set<std::string> created;
std::vector< BlobEntry > blobs;
};
// --------------------------------------------------------------------------------------------
BlobIOStream :: ~BlobIOStream()
{
creator->OnDestruct(file,this);
delete[] buffer;
}
} // end Assimp
#endif

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Helper class tp perform various byte oder swappings
(e.g. little to big endian) */
#ifndef AI_BYTESWAPPER_H_INC
#define AI_BYTESWAPPER_H_INC
#include <assimp/ai_assert.h>
#include <assimp/types.h>
#include <stdint.h>
#if _MSC_VER >= 1400
#include <stdlib.h>
#endif
namespace Assimp {
// --------------------------------------------------------------------------------------
/** Defines some useful byte order swap routines.
*
* This is required to read big-endian model formats on little-endian machines,
* and vice versa. Direct use of this class is DEPRECATED. Use #StreamReader instead. */
// --------------------------------------------------------------------------------------
class ByteSwap {
ByteSwap() AI_NO_EXCEPT {}
public:
// ----------------------------------------------------------------------
/** Swap two bytes of data
* @param[inout] _szOut A void* to save the reintcasts for the caller. */
static inline void Swap2(void* _szOut)
{
ai_assert(_szOut);
#if _MSC_VER >= 1400
uint16_t* const szOut = reinterpret_cast<uint16_t*>(_szOut);
*szOut = _byteswap_ushort(*szOut);
#else
uint8_t* const szOut = reinterpret_cast<uint8_t*>(_szOut);
std::swap(szOut[0],szOut[1]);
#endif
}
// ----------------------------------------------------------------------
/** Swap four bytes of data
* @param[inout] _szOut A void* to save the reintcasts for the caller. */
static inline void Swap4(void* _szOut)
{
ai_assert(_szOut);
#if _MSC_VER >= 1400
uint32_t* const szOut = reinterpret_cast<uint32_t*>(_szOut);
*szOut = _byteswap_ulong(*szOut);
#else
uint8_t* const szOut = reinterpret_cast<uint8_t*>(_szOut);
std::swap(szOut[0],szOut[3]);
std::swap(szOut[1],szOut[2]);
#endif
}
// ----------------------------------------------------------------------
/** Swap eight bytes of data
* @param[inout] _szOut A void* to save the reintcasts for the caller. */
static inline void Swap8(void* _szOut)
{
ai_assert(_szOut);
#if _MSC_VER >= 1400
uint64_t* const szOut = reinterpret_cast<uint64_t*>(_szOut);
*szOut = _byteswap_uint64(*szOut);
#else
uint8_t* const szOut = reinterpret_cast<uint8_t*>(_szOut);
std::swap(szOut[0],szOut[7]);
std::swap(szOut[1],szOut[6]);
std::swap(szOut[2],szOut[5]);
std::swap(szOut[3],szOut[4]);
#endif
}
// ----------------------------------------------------------------------
/** ByteSwap a float. Not a joke.
* @param[inout] fOut ehm. .. */
static inline void Swap(float* fOut) {
Swap4(fOut);
}
// ----------------------------------------------------------------------
/** ByteSwap a double. Not a joke.
* @param[inout] fOut ehm. .. */
static inline void Swap(double* fOut) {
Swap8(fOut);
}
// ----------------------------------------------------------------------
/** ByteSwap an int16t. Not a joke.
* @param[inout] fOut ehm. .. */
static inline void Swap(int16_t* fOut) {
Swap2(fOut);
}
static inline void Swap(uint16_t* fOut) {
Swap2(fOut);
}
// ----------------------------------------------------------------------
/** ByteSwap an int32t. Not a joke.
* @param[inout] fOut ehm. .. */
static inline void Swap(int32_t* fOut){
Swap4(fOut);
}
static inline void Swap(uint32_t* fOut){
Swap4(fOut);
}
// ----------------------------------------------------------------------
/** ByteSwap an int64t. Not a joke.
* @param[inout] fOut ehm. .. */
static inline void Swap(int64_t* fOut) {
Swap8(fOut);
}
static inline void Swap(uint64_t* fOut) {
Swap8(fOut);
}
// ----------------------------------------------------------------------
//! Templatized ByteSwap
//! \returns param tOut as swapped
template<typename Type>
static inline Type Swapped(Type tOut)
{
return _swapper<Type,sizeof(Type)>()(tOut);
}
private:
template <typename T, size_t size> struct _swapper;
};
template <typename T> struct ByteSwap::_swapper<T,2> {
T operator() (T tOut) {
Swap2(&tOut);
return tOut;
}
};
template <typename T> struct ByteSwap::_swapper<T,4> {
T operator() (T tOut) {
Swap4(&tOut);
return tOut;
}
};
template <typename T> struct ByteSwap::_swapper<T,8> {
T operator() (T tOut) {
Swap8(&tOut);
return tOut;
}
};
// --------------------------------------------------------------------------------------
// ByteSwap macros for BigEndian/LittleEndian support
// --------------------------------------------------------------------------------------
#if (defined AI_BUILD_BIG_ENDIAN)
# define AI_LE(t) (t)
# define AI_BE(t) ByteSwap::Swapped(t)
# define AI_LSWAP2(p)
# define AI_LSWAP4(p)
# define AI_LSWAP8(p)
# define AI_LSWAP2P(p)
# define AI_LSWAP4P(p)
# define AI_LSWAP8P(p)
# define LE_NCONST const
# define AI_SWAP2(p) ByteSwap::Swap2(&(p))
# define AI_SWAP4(p) ByteSwap::Swap4(&(p))
# define AI_SWAP8(p) ByteSwap::Swap8(&(p))
# define AI_SWAP2P(p) ByteSwap::Swap2((p))
# define AI_SWAP4P(p) ByteSwap::Swap4((p))
# define AI_SWAP8P(p) ByteSwap::Swap8((p))
# define BE_NCONST
#else
# define AI_BE(t) (t)
# define AI_LE(t) ByteSwap::Swapped(t)
# define AI_SWAP2(p)
# define AI_SWAP4(p)
# define AI_SWAP8(p)
# define AI_SWAP2P(p)
# define AI_SWAP4P(p)
# define AI_SWAP8P(p)
# define BE_NCONST const
# define AI_LSWAP2(p) ByteSwap::Swap2(&(p))
# define AI_LSWAP4(p) ByteSwap::Swap4(&(p))
# define AI_LSWAP8(p) ByteSwap::Swap8(&(p))
# define AI_LSWAP2P(p) ByteSwap::Swap2((p))
# define AI_LSWAP4P(p) ByteSwap::Swap4((p))
# define AI_LSWAP8P(p) ByteSwap::Swap8((p))
# define LE_NCONST
#endif
namespace Intern {
// --------------------------------------------------------------------------------------------
template <typename T, bool doit>
struct ByteSwapper {
void operator() (T* inout) {
ByteSwap::Swap(inout);
}
};
template <typename T>
struct ByteSwapper<T,false> {
void operator() (T*) {
}
};
// --------------------------------------------------------------------------------------------
template <bool SwapEndianess, typename T, bool RuntimeSwitch>
struct Getter {
void operator() (T* inout, bool le) {
#ifdef AI_BUILD_BIG_ENDIAN
le = le;
#else
le = !le;
#endif
if (le) {
ByteSwapper<T,(sizeof(T)>1?true:false)> () (inout);
}
else ByteSwapper<T,false> () (inout);
}
};
template <bool SwapEndianess, typename T>
struct Getter<SwapEndianess,T,false> {
void operator() (T* inout, bool /*le*/) {
// static branch
ByteSwapper<T,(SwapEndianess && sizeof(T)>1)> () (inout);
}
};
} // end Intern
} // end Assimp
#endif //!! AI_BYTESWAPPER_H_INC

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@ -0,0 +1,22 @@
// ===============================================================================
// May be included multiple times - resets structure packing to the defaults
// for all supported compilers. Reverts the changes made by #include <pushpack1.h>
//
// Currently this works on the following compilers:
// MSVC 7,8,9
// GCC
// BORLAND (complains about 'pack state changed but not reverted', but works)
// ===============================================================================
#ifndef AI_PUSHPACK_IS_DEFINED
# error pushpack1.h must be included after poppack1.h
#endif
// reset packing to the original value
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
# pragma pack( pop )
#endif
#undef PACK_STRUCT
#undef AI_PUSHPACK_IS_DEFINED

912
dependencies/assimp/include/assimp/Compiler/pstdint.h vendored Normal file
View File

@ -0,0 +1,912 @@
/* A portable stdint.h
****************************************************************************
* BSD License:
****************************************************************************
*
* Copyright (c) 2005-2016 Paul Hsieh
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************
*
* Version 0.1.15.4
*
* The ANSI C standard committee, for the C99 standard, specified the
* inclusion of a new standard include file called stdint.h. This is
* a very useful and long desired include file which contains several
* very precise definitions for integer scalar types that is
* critically important for making portable several classes of
* applications including cryptography, hashing, variable length
* integer libraries and so on. But for most developers its likely
* useful just for programming sanity.
*
* The problem is that some compiler vendors chose to ignore the C99
* standard and some older compilers have no opportunity to be updated.
* Because of this situation, simply including stdint.h in your code
* makes it unportable.
*
* So that's what this file is all about. Its an attempt to build a
* single universal include file that works on as many platforms as
* possible to deliver what stdint.h is supposed to. Even compilers
* that already come with stdint.h can use this file instead without
* any loss of functionality. A few things that should be noted about
* this file:
*
* 1) It is not guaranteed to be portable and/or present an identical
* interface on all platforms. The extreme variability of the
* ANSI C standard makes this an impossibility right from the
* very get go. Its really only meant to be useful for the vast
* majority of platforms that possess the capability of
* implementing usefully and precisely defined, standard sized
* integer scalars. Systems which are not intrinsically 2s
* complement may produce invalid constants.
*
* 2) There is an unavoidable use of non-reserved symbols.
*
* 3) Other standard include files are invoked.
*
* 4) This file may come in conflict with future platforms that do
* include stdint.h. The hope is that one or the other can be
* used with no real difference.
*
* 5) In the current version, if your platform can't represent
* int32_t, int16_t and int8_t, it just dumps out with a compiler
* error.
*
* 6) 64 bit integers may or may not be defined. Test for their
* presence with the test: #ifdef INT64_MAX or #ifdef UINT64_MAX.
* Note that this is different from the C99 specification which
* requires the existence of 64 bit support in the compiler. If
* this is not defined for your platform, yet it is capable of
* dealing with 64 bits then it is because this file has not yet
* been extended to cover all of your system's capabilities.
*
* 7) (u)intptr_t may or may not be defined. Test for its presence
* with the test: #ifdef PTRDIFF_MAX. If this is not defined
* for your platform, then it is because this file has not yet
* been extended to cover all of your system's capabilities, not
* because its optional.
*
* 8) The following might not been defined even if your platform is
* capable of defining it:
*
* WCHAR_MIN
* WCHAR_MAX
* (u)int64_t
* PTRDIFF_MIN
* PTRDIFF_MAX
* (u)intptr_t
*
* 9) The following have not been defined:
*
* WINT_MIN
* WINT_MAX
*
* 10) The criteria for defining (u)int_least(*)_t isn't clear,
* except for systems which don't have a type that precisely
* defined 8, 16, or 32 bit types (which this include file does
* not support anyways). Default definitions have been given.
*
* 11) The criteria for defining (u)int_fast(*)_t isn't something I
* would trust to any particular compiler vendor or the ANSI C
* committee. It is well known that "compatible systems" are
* commonly created that have very different performance
* characteristics from the systems they are compatible with,
* especially those whose vendors make both the compiler and the
* system. Default definitions have been given, but its strongly
* recommended that users never use these definitions for any
* reason (they do *NOT* deliver any serious guarantee of
* improved performance -- not in this file, nor any vendor's
* stdint.h).
*
* 12) The following macros:
*
* PRINTF_INTMAX_MODIFIER
* PRINTF_INT64_MODIFIER
* PRINTF_INT32_MODIFIER
* PRINTF_INT16_MODIFIER
* PRINTF_LEAST64_MODIFIER
* PRINTF_LEAST32_MODIFIER
* PRINTF_LEAST16_MODIFIER
* PRINTF_INTPTR_MODIFIER
*
* are strings which have been defined as the modifiers required
* for the "d", "u" and "x" printf formats to correctly output
* (u)intmax_t, (u)int64_t, (u)int32_t, (u)int16_t, (u)least64_t,
* (u)least32_t, (u)least16_t and (u)intptr_t types respectively.
* PRINTF_INTPTR_MODIFIER is not defined for some systems which
* provide their own stdint.h. PRINTF_INT64_MODIFIER is not
* defined if INT64_MAX is not defined. These are an extension
* beyond what C99 specifies must be in stdint.h.
*
* In addition, the following macros are defined:
*
* PRINTF_INTMAX_HEX_WIDTH
* PRINTF_INT64_HEX_WIDTH
* PRINTF_INT32_HEX_WIDTH
* PRINTF_INT16_HEX_WIDTH
* PRINTF_INT8_HEX_WIDTH
* PRINTF_INTMAX_DEC_WIDTH
* PRINTF_INT64_DEC_WIDTH
* PRINTF_INT32_DEC_WIDTH
* PRINTF_INT16_DEC_WIDTH
* PRINTF_UINT8_DEC_WIDTH
* PRINTF_UINTMAX_DEC_WIDTH
* PRINTF_UINT64_DEC_WIDTH
* PRINTF_UINT32_DEC_WIDTH
* PRINTF_UINT16_DEC_WIDTH
* PRINTF_UINT8_DEC_WIDTH
*
* Which specifies the maximum number of characters required to
* print the number of that type in either hexadecimal or decimal.
* These are an extension beyond what C99 specifies must be in
* stdint.h.
*
* Compilers tested (all with 0 warnings at their highest respective
* settings): Borland Turbo C 2.0, WATCOM C/C++ 11.0 (16 bits and 32
* bits), Microsoft Visual C++ 6.0 (32 bit), Microsoft Visual Studio
* .net (VC7), Intel C++ 4.0, GNU gcc v3.3.3
*
* This file should be considered a work in progress. Suggestions for
* improvements, especially those which increase coverage are strongly
* encouraged.
*
* Acknowledgements
*
* The following people have made significant contributions to the
* development and testing of this file:
*
* Chris Howie
* John Steele Scott
* Dave Thorup
* John Dill
* Florian Wobbe
* Christopher Sean Morrison
* Mikkel Fahnoe Jorgensen
*
*/
#include <stddef.h>
#include <limits.h>
#include <signal.h>
/*
* For gcc with _STDINT_H, fill in the PRINTF_INT*_MODIFIER macros, and
* do nothing else. On the Mac OS X version of gcc this is _STDINT_H_.
*/
#if ((defined(__SUNPRO_C) && __SUNPRO_C >= 0x570) || (defined(_MSC_VER) && _MSC_VER >= 1600) || (defined(__STDC__) && __STDC__ && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || (defined (__WATCOMC__) && (defined (_STDINT_H_INCLUDED) || __WATCOMC__ >= 1250)) || (defined(__GNUC__) && (__GNUC__ > 3 || defined(_STDINT_H) || defined(_STDINT_H_) || defined (__UINT_FAST64_TYPE__)) )) && !defined (_PSTDINT_H_INCLUDED)
#include <stdint.h>
#define _PSTDINT_H_INCLUDED
# if defined(__GNUC__) && (defined(__x86_64__) || defined(__ppc64__)) && !(defined(__APPLE__) && defined(__MACH__))
# ifndef PRINTF_INT64_MODIFIER
# define PRINTF_INT64_MODIFIER "l"
# endif
# ifndef PRINTF_INT32_MODIFIER
# define PRINTF_INT32_MODIFIER ""
# endif
# else
# ifndef PRINTF_INT64_MODIFIER
# define PRINTF_INT64_MODIFIER "ll"
# endif
# ifndef PRINTF_INT32_MODIFIER
# if (UINT_MAX == UINT32_MAX)
# define PRINTF_INT32_MODIFIER ""
# else
# define PRINTF_INT32_MODIFIER "l"
# endif
# endif
# endif
# ifndef PRINTF_INT16_MODIFIER
# define PRINTF_INT16_MODIFIER "h"
# endif
# ifndef PRINTF_INTMAX_MODIFIER
# define PRINTF_INTMAX_MODIFIER PRINTF_INT64_MODIFIER
# endif
# ifndef PRINTF_INT64_HEX_WIDTH
# define PRINTF_INT64_HEX_WIDTH "16"
# endif
# ifndef PRINTF_UINT64_HEX_WIDTH
# define PRINTF_UINT64_HEX_WIDTH "16"
# endif
# ifndef PRINTF_INT32_HEX_WIDTH
# define PRINTF_INT32_HEX_WIDTH "8"
# endif
# ifndef PRINTF_UINT32_HEX_WIDTH
# define PRINTF_UINT32_HEX_WIDTH "8"
# endif
# ifndef PRINTF_INT16_HEX_WIDTH
# define PRINTF_INT16_HEX_WIDTH "4"
# endif
# ifndef PRINTF_UINT16_HEX_WIDTH
# define PRINTF_UINT16_HEX_WIDTH "4"
# endif
# ifndef PRINTF_INT8_HEX_WIDTH
# define PRINTF_INT8_HEX_WIDTH "2"
# endif
# ifndef PRINTF_UINT8_HEX_WIDTH
# define PRINTF_UINT8_HEX_WIDTH "2"
# endif
# ifndef PRINTF_INT64_DEC_WIDTH
# define PRINTF_INT64_DEC_WIDTH "19"
# endif
# ifndef PRINTF_UINT64_DEC_WIDTH
# define PRINTF_UINT64_DEC_WIDTH "20"
# endif
# ifndef PRINTF_INT32_DEC_WIDTH
# define PRINTF_INT32_DEC_WIDTH "10"
# endif
# ifndef PRINTF_UINT32_DEC_WIDTH
# define PRINTF_UINT32_DEC_WIDTH "10"
# endif
# ifndef PRINTF_INT16_DEC_WIDTH
# define PRINTF_INT16_DEC_WIDTH "5"
# endif
# ifndef PRINTF_UINT16_DEC_WIDTH
# define PRINTF_UINT16_DEC_WIDTH "5"
# endif
# ifndef PRINTF_INT8_DEC_WIDTH
# define PRINTF_INT8_DEC_WIDTH "3"
# endif
# ifndef PRINTF_UINT8_DEC_WIDTH
# define PRINTF_UINT8_DEC_WIDTH "3"
# endif
# ifndef PRINTF_INTMAX_HEX_WIDTH
# define PRINTF_INTMAX_HEX_WIDTH PRINTF_UINT64_HEX_WIDTH
# endif
# ifndef PRINTF_UINTMAX_HEX_WIDTH
# define PRINTF_UINTMAX_HEX_WIDTH PRINTF_UINT64_HEX_WIDTH
# endif
# ifndef PRINTF_INTMAX_DEC_WIDTH
# define PRINTF_INTMAX_DEC_WIDTH PRINTF_UINT64_DEC_WIDTH
# endif
# ifndef PRINTF_UINTMAX_DEC_WIDTH
# define PRINTF_UINTMAX_DEC_WIDTH PRINTF_UINT64_DEC_WIDTH
# endif
/*
* Something really weird is going on with Open Watcom. Just pull some of
* these duplicated definitions from Open Watcom's stdint.h file for now.
*/
# if defined (__WATCOMC__) && __WATCOMC__ >= 1250
# if !defined (INT64_C)
# define INT64_C(x) (x + (INT64_MAX - INT64_MAX))
# endif
# if !defined (UINT64_C)
# define UINT64_C(x) (x + (UINT64_MAX - UINT64_MAX))
# endif
# if !defined (INT32_C)
# define INT32_C(x) (x + (INT32_MAX - INT32_MAX))
# endif
# if !defined (UINT32_C)
# define UINT32_C(x) (x + (UINT32_MAX - UINT32_MAX))
# endif
# if !defined (INT16_C)
# define INT16_C(x) (x)
# endif
# if !defined (UINT16_C)
# define UINT16_C(x) (x)
# endif
# if !defined (INT8_C)
# define INT8_C(x) (x)
# endif
# if !defined (UINT8_C)
# define UINT8_C(x) (x)
# endif
# if !defined (UINT64_MAX)
# define UINT64_MAX 18446744073709551615ULL
# endif
# if !defined (INT64_MAX)
# define INT64_MAX 9223372036854775807LL
# endif
# if !defined (UINT32_MAX)
# define UINT32_MAX 4294967295UL
# endif
# if !defined (INT32_MAX)
# define INT32_MAX 2147483647L
# endif
# if !defined (INTMAX_MAX)
# define INTMAX_MAX INT64_MAX
# endif
# if !defined (INTMAX_MIN)
# define INTMAX_MIN INT64_MIN
# endif
# endif
#endif
/*
* I have no idea what is the truly correct thing to do on older Solaris.
* From some online discussions, this seems to be what is being
* recommended. For people who actually are developing on older Solaris,
* what I would like to know is, does this define all of the relevant
* macros of a complete stdint.h? Remember, in pstdint.h 64 bit is
* considered optional.
*/
#if (defined(__SUNPRO_C) && __SUNPRO_C >= 0x420) && !defined(_PSTDINT_H_INCLUDED)
#include <sys/inttypes.h>
#define _PSTDINT_H_INCLUDED
#endif
#ifndef _PSTDINT_H_INCLUDED
#define _PSTDINT_H_INCLUDED
#ifndef SIZE_MAX
# define SIZE_MAX (~(size_t)0)
#endif
/*
* Deduce the type assignments from limits.h under the assumption that
* integer sizes in bits are powers of 2, and follow the ANSI
* definitions.
*/
#ifndef UINT8_MAX
# define UINT8_MAX 0xff
#endif
#if !defined(uint8_t) && !defined(_UINT8_T) && !defined(vxWorks)
# if (UCHAR_MAX == UINT8_MAX) || defined (S_SPLINT_S)
typedef unsigned char uint8_t;
# define UINT8_C(v) ((uint8_t) v)
# else
# error "Platform not supported"
# endif
#endif
#ifndef INT8_MAX
# define INT8_MAX 0x7f
#endif
#ifndef INT8_MIN
# define INT8_MIN INT8_C(0x80)
#endif
#if !defined(int8_t) && !defined(_INT8_T) && !defined(vxWorks)
# if (SCHAR_MAX == INT8_MAX) || defined (S_SPLINT_S)
typedef signed char int8_t;
# define INT8_C(v) ((int8_t) v)
# else
# error "Platform not supported"
# endif
#endif
#ifndef UINT16_MAX
# define UINT16_MAX 0xffff
#endif
#if !defined(uint16_t) && !defined(_UINT16_T) && !defined(vxWorks)
#if (UINT_MAX == UINT16_MAX) || defined (S_SPLINT_S)
typedef unsigned int uint16_t;
# ifndef PRINTF_INT16_MODIFIER
# define PRINTF_INT16_MODIFIER ""
# endif
# define UINT16_C(v) ((uint16_t) (v))
#elif (USHRT_MAX == UINT16_MAX)
typedef unsigned short uint16_t;
# define UINT16_C(v) ((uint16_t) (v))
# ifndef PRINTF_INT16_MODIFIER
# define PRINTF_INT16_MODIFIER "h"
# endif
#else
#error "Platform not supported"
#endif
#endif
#ifndef INT16_MAX
# define INT16_MAX 0x7fff
#endif
#ifndef INT16_MIN
# define INT16_MIN INT16_C(0x8000)
#endif
#if !defined(int16_t) && !defined(_INT16_T) && !defined(vxWorks)
#if (INT_MAX == INT16_MAX) || defined (S_SPLINT_S)
typedef signed int int16_t;
# define INT16_C(v) ((int16_t) (v))
# ifndef PRINTF_INT16_MODIFIER
# define PRINTF_INT16_MODIFIER ""
# endif
#elif (SHRT_MAX == INT16_MAX)
typedef signed short int16_t;
# define INT16_C(v) ((int16_t) (v))
# ifndef PRINTF_INT16_MODIFIER
# define PRINTF_INT16_MODIFIER "h"
# endif
#else
#error "Platform not supported"
#endif
#endif
#ifndef UINT32_MAX
# define UINT32_MAX (0xffffffffUL)
#endif
#if !defined(uint32_t) && !defined(_UINT32_T) && !defined(vxWorks)
#if (ULONG_MAX == UINT32_MAX) || defined (S_SPLINT_S)
typedef unsigned long uint32_t;
# define UINT32_C(v) v ## UL
# ifndef PRINTF_INT32_MODIFIER
# define PRINTF_INT32_MODIFIER "l"
# endif
#elif (UINT_MAX == UINT32_MAX)
typedef unsigned int uint32_t;
# ifndef PRINTF_INT32_MODIFIER
# define PRINTF_INT32_MODIFIER ""
# endif
# define UINT32_C(v) v ## U
#elif (USHRT_MAX == UINT32_MAX)
typedef unsigned short uint32_t;
# define UINT32_C(v) ((unsigned short) (v))
# ifndef PRINTF_INT32_MODIFIER
# define PRINTF_INT32_MODIFIER ""
# endif
#else
#error "Platform not supported"
#endif
#endif
#ifndef INT32_MAX
# define INT32_MAX (0x7fffffffL)
#endif
#ifndef INT32_MIN
# define INT32_MIN INT32_C(0x80000000)
#endif
#if !defined(int32_t) && !defined(_INT32_T) && !defined(vxWorks)
#if (LONG_MAX == INT32_MAX) || defined (S_SPLINT_S)
typedef signed long int32_t;
# define INT32_C(v) v ## L
# ifndef PRINTF_INT32_MODIFIER
# define PRINTF_INT32_MODIFIER "l"
# endif
#elif (INT_MAX == INT32_MAX)
typedef signed int int32_t;
# define INT32_C(v) v
# ifndef PRINTF_INT32_MODIFIER
# define PRINTF_INT32_MODIFIER ""
# endif
#elif (SHRT_MAX == INT32_MAX)
typedef signed short int32_t;
# define INT32_C(v) ((short) (v))
# ifndef PRINTF_INT32_MODIFIER
# define PRINTF_INT32_MODIFIER ""
# endif
#else
#error "Platform not supported"
#endif
#endif
/*
* The macro stdint_int64_defined is temporarily used to record
* whether or not 64 integer support is available. It must be
* defined for any 64 integer extensions for new platforms that are
* added.
*/
#undef stdint_int64_defined
#if (defined(__STDC__) && defined(__STDC_VERSION__)) || defined (S_SPLINT_S)
# if (__STDC__ && __STDC_VERSION__ >= 199901L) || defined (S_SPLINT_S)
# define stdint_int64_defined
typedef long long int64_t;
typedef unsigned long long uint64_t;
# define UINT64_C(v) v ## ULL
# define INT64_C(v) v ## LL
# ifndef PRINTF_INT64_MODIFIER
# define PRINTF_INT64_MODIFIER "ll"
# endif
# endif
#endif
#if !defined (stdint_int64_defined)
# if defined(__GNUC__) && !defined(vxWorks)
# define stdint_int64_defined
__extension__ typedef long long int64_t;
__extension__ typedef unsigned long long uint64_t;
# define UINT64_C(v) v ## ULL
# define INT64_C(v) v ## LL
# ifndef PRINTF_INT64_MODIFIER
# define PRINTF_INT64_MODIFIER "ll"
# endif
# elif defined(__MWERKS__) || defined (__SUNPRO_C) || defined (__SUNPRO_CC) || defined (__APPLE_CC__) || defined (_LONG_LONG) || defined (_CRAYC) || defined (S_SPLINT_S)
# define stdint_int64_defined
typedef long long int64_t;
typedef unsigned long long uint64_t;
# define UINT64_C(v) v ## ULL
# define INT64_C(v) v ## LL
# ifndef PRINTF_INT64_MODIFIER
# define PRINTF_INT64_MODIFIER "ll"
# endif
# elif (defined(__WATCOMC__) && defined(__WATCOM_INT64__)) || (defined(_MSC_VER) && _INTEGRAL_MAX_BITS >= 64) || (defined (__BORLANDC__) && __BORLANDC__ > 0x460) || defined (__alpha) || defined (__DECC)
# define stdint_int64_defined
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
# define UINT64_C(v) v ## UI64
# define INT64_C(v) v ## I64
# ifndef PRINTF_INT64_MODIFIER
# define PRINTF_INT64_MODIFIER "I64"
# endif
# endif
#endif
#if !defined (LONG_LONG_MAX) && defined (INT64_C)
# define LONG_LONG_MAX INT64_C (9223372036854775807)
#endif
#ifndef ULONG_LONG_MAX
# define ULONG_LONG_MAX UINT64_C (18446744073709551615)
#endif
#if !defined (INT64_MAX) && defined (INT64_C)
# define INT64_MAX INT64_C (9223372036854775807)
#endif
#if !defined (INT64_MIN) && defined (INT64_C)
# define INT64_MIN INT64_C (-9223372036854775808)
#endif
#if !defined (UINT64_MAX) && defined (INT64_C)
# define UINT64_MAX UINT64_C (18446744073709551615)
#endif
/*
* Width of hexadecimal for number field.
*/
#ifndef PRINTF_INT64_HEX_WIDTH
# define PRINTF_INT64_HEX_WIDTH "16"
#endif
#ifndef PRINTF_INT32_HEX_WIDTH
# define PRINTF_INT32_HEX_WIDTH "8"
#endif
#ifndef PRINTF_INT16_HEX_WIDTH
# define PRINTF_INT16_HEX_WIDTH "4"
#endif
#ifndef PRINTF_INT8_HEX_WIDTH
# define PRINTF_INT8_HEX_WIDTH "2"
#endif
#ifndef PRINTF_INT64_DEC_WIDTH
# define PRINTF_INT64_DEC_WIDTH "19"
#endif
#ifndef PRINTF_INT32_DEC_WIDTH
# define PRINTF_INT32_DEC_WIDTH "10"
#endif
#ifndef PRINTF_INT16_DEC_WIDTH
# define PRINTF_INT16_DEC_WIDTH "5"
#endif
#ifndef PRINTF_INT8_DEC_WIDTH
# define PRINTF_INT8_DEC_WIDTH "3"
#endif
#ifndef PRINTF_UINT64_DEC_WIDTH
# define PRINTF_UINT64_DEC_WIDTH "20"
#endif
#ifndef PRINTF_UINT32_DEC_WIDTH
# define PRINTF_UINT32_DEC_WIDTH "10"
#endif
#ifndef PRINTF_UINT16_DEC_WIDTH
# define PRINTF_UINT16_DEC_WIDTH "5"
#endif
#ifndef PRINTF_UINT8_DEC_WIDTH
# define PRINTF_UINT8_DEC_WIDTH "3"
#endif
/*
* Ok, lets not worry about 128 bit integers for now. Moore's law says
* we don't need to worry about that until about 2040 at which point
* we'll have bigger things to worry about.
*/
#ifdef stdint_int64_defined
typedef int64_t intmax_t;
typedef uint64_t uintmax_t;
# define INTMAX_MAX INT64_MAX
# define INTMAX_MIN INT64_MIN
# define UINTMAX_MAX UINT64_MAX
# define UINTMAX_C(v) UINT64_C(v)
# define INTMAX_C(v) INT64_C(v)
# ifndef PRINTF_INTMAX_MODIFIER
# define PRINTF_INTMAX_MODIFIER PRINTF_INT64_MODIFIER
# endif
# ifndef PRINTF_INTMAX_HEX_WIDTH
# define PRINTF_INTMAX_HEX_WIDTH PRINTF_INT64_HEX_WIDTH
# endif
# ifndef PRINTF_INTMAX_DEC_WIDTH
# define PRINTF_INTMAX_DEC_WIDTH PRINTF_INT64_DEC_WIDTH
# endif
#else
typedef int32_t intmax_t;
typedef uint32_t uintmax_t;
# define INTMAX_MAX INT32_MAX
# define UINTMAX_MAX UINT32_MAX
# define UINTMAX_C(v) UINT32_C(v)
# define INTMAX_C(v) INT32_C(v)
# ifndef PRINTF_INTMAX_MODIFIER
# define PRINTF_INTMAX_MODIFIER PRINTF_INT32_MODIFIER
# endif
# ifndef PRINTF_INTMAX_HEX_WIDTH
# define PRINTF_INTMAX_HEX_WIDTH PRINTF_INT32_HEX_WIDTH
# endif
# ifndef PRINTF_INTMAX_DEC_WIDTH
# define PRINTF_INTMAX_DEC_WIDTH PRINTF_INT32_DEC_WIDTH
# endif
#endif
/*
* Because this file currently only supports platforms which have
* precise powers of 2 as bit sizes for the default integers, the
* least definitions are all trivial. Its possible that a future
* version of this file could have different definitions.
*/
#ifndef stdint_least_defined
typedef int8_t int_least8_t;
typedef uint8_t uint_least8_t;
typedef int16_t int_least16_t;
typedef uint16_t uint_least16_t;
typedef int32_t int_least32_t;
typedef uint32_t uint_least32_t;
# define PRINTF_LEAST32_MODIFIER PRINTF_INT32_MODIFIER
# define PRINTF_LEAST16_MODIFIER PRINTF_INT16_MODIFIER
# define UINT_LEAST8_MAX UINT8_MAX
# define INT_LEAST8_MAX INT8_MAX
# define UINT_LEAST16_MAX UINT16_MAX
# define INT_LEAST16_MAX INT16_MAX
# define UINT_LEAST32_MAX UINT32_MAX
# define INT_LEAST32_MAX INT32_MAX
# define INT_LEAST8_MIN INT8_MIN
# define INT_LEAST16_MIN INT16_MIN
# define INT_LEAST32_MIN INT32_MIN
# ifdef stdint_int64_defined
typedef int64_t int_least64_t;
typedef uint64_t uint_least64_t;
# define PRINTF_LEAST64_MODIFIER PRINTF_INT64_MODIFIER
# define UINT_LEAST64_MAX UINT64_MAX
# define INT_LEAST64_MAX INT64_MAX
# define INT_LEAST64_MIN INT64_MIN
# endif
#endif
#undef stdint_least_defined
/*
* The ANSI C committee pretending to know or specify anything about
* performance is the epitome of misguided arrogance. The mandate of
* this file is to *ONLY* ever support that absolute minimum
* definition of the fast integer types, for compatibility purposes.
* No extensions, and no attempt to suggest what may or may not be a
* faster integer type will ever be made in this file. Developers are
* warned to stay away from these types when using this or any other
* stdint.h.
*/
typedef int_least8_t int_fast8_t;
typedef uint_least8_t uint_fast8_t;
typedef int_least16_t int_fast16_t;
typedef uint_least16_t uint_fast16_t;
typedef int_least32_t int_fast32_t;
typedef uint_least32_t uint_fast32_t;
#define UINT_FAST8_MAX UINT_LEAST8_MAX
#define INT_FAST8_MAX INT_LEAST8_MAX
#define UINT_FAST16_MAX UINT_LEAST16_MAX
#define INT_FAST16_MAX INT_LEAST16_MAX
#define UINT_FAST32_MAX UINT_LEAST32_MAX
#define INT_FAST32_MAX INT_LEAST32_MAX
#define INT_FAST8_MIN INT_LEAST8_MIN
#define INT_FAST16_MIN INT_LEAST16_MIN
#define INT_FAST32_MIN INT_LEAST32_MIN
#ifdef stdint_int64_defined
typedef int_least64_t int_fast64_t;
typedef uint_least64_t uint_fast64_t;
# define UINT_FAST64_MAX UINT_LEAST64_MAX
# define INT_FAST64_MAX INT_LEAST64_MAX
# define INT_FAST64_MIN INT_LEAST64_MIN
#endif
#undef stdint_int64_defined
/*
* Whatever piecemeal, per compiler thing we can do about the wchar_t
* type limits.
*/
#if defined(__WATCOMC__) || defined(_MSC_VER) || defined (__GNUC__) && !defined(vxWorks)
# include <wchar.h>
# ifndef WCHAR_MIN
# define WCHAR_MIN 0
# endif
# ifndef WCHAR_MAX
# define WCHAR_MAX ((wchar_t)-1)
# endif
#endif
/*
* Whatever piecemeal, per compiler/platform thing we can do about the
* (u)intptr_t types and limits.
*/
#if (defined (_MSC_VER) && defined (_UINTPTR_T_DEFINED)) || defined (_UINTPTR_T)
# define STDINT_H_UINTPTR_T_DEFINED
#endif
#ifndef STDINT_H_UINTPTR_T_DEFINED
# if defined (__alpha__) || defined (__ia64__) || defined (__x86_64__) || defined (_WIN64) || defined (__ppc64__)
# define stdint_intptr_bits 64
# elif defined (__WATCOMC__) || defined (__TURBOC__)
# if defined(__TINY__) || defined(__SMALL__) || defined(__MEDIUM__)
# define stdint_intptr_bits 16
# else
# define stdint_intptr_bits 32
# endif
# elif defined (__i386__) || defined (_WIN32) || defined (WIN32) || defined (__ppc64__)
# define stdint_intptr_bits 32
# elif defined (__INTEL_COMPILER)
/* TODO -- what did Intel do about x86-64? */
# else
/* #error "This platform might not be supported yet" */
# endif
# ifdef stdint_intptr_bits
# define stdint_intptr_glue3_i(a,b,c) a##b##c
# define stdint_intptr_glue3(a,b,c) stdint_intptr_glue3_i(a,b,c)
# ifndef PRINTF_INTPTR_MODIFIER
# define PRINTF_INTPTR_MODIFIER stdint_intptr_glue3(PRINTF_INT,stdint_intptr_bits,_MODIFIER)
# endif
# ifndef PTRDIFF_MAX
# define PTRDIFF_MAX stdint_intptr_glue3(INT,stdint_intptr_bits,_MAX)
# endif
# ifndef PTRDIFF_MIN
# define PTRDIFF_MIN stdint_intptr_glue3(INT,stdint_intptr_bits,_MIN)
# endif
# ifndef UINTPTR_MAX
# define UINTPTR_MAX stdint_intptr_glue3(UINT,stdint_intptr_bits,_MAX)
# endif
# ifndef INTPTR_MAX
# define INTPTR_MAX stdint_intptr_glue3(INT,stdint_intptr_bits,_MAX)
# endif
# ifndef INTPTR_MIN
# define INTPTR_MIN stdint_intptr_glue3(INT,stdint_intptr_bits,_MIN)
# endif
# ifndef INTPTR_C
# define INTPTR_C(x) stdint_intptr_glue3(INT,stdint_intptr_bits,_C)(x)
# endif
# ifndef UINTPTR_C
# define UINTPTR_C(x) stdint_intptr_glue3(UINT,stdint_intptr_bits,_C)(x)
# endif
typedef stdint_intptr_glue3(uint,stdint_intptr_bits,_t) uintptr_t;
typedef stdint_intptr_glue3( int,stdint_intptr_bits,_t) intptr_t;
# else
/* TODO -- This following is likely wrong for some platforms, and does
nothing for the definition of uintptr_t. */
typedef ptrdiff_t intptr_t;
# endif
# define STDINT_H_UINTPTR_T_DEFINED
#endif
/*
* Assumes sig_atomic_t is signed and we have a 2s complement machine.
*/
#ifndef SIG_ATOMIC_MAX
# define SIG_ATOMIC_MAX ((((sig_atomic_t) 1) << (sizeof (sig_atomic_t)*CHAR_BIT-1)) - 1)
#endif
#endif
#if defined (__TEST_PSTDINT_FOR_CORRECTNESS)
/*
* Please compile with the maximum warning settings to make sure macros are
* not defined more than once.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define glue3_aux(x,y,z) x ## y ## z
#define glue3(x,y,z) glue3_aux(x,y,z)
#define DECLU(bits) glue3(uint,bits,_t) glue3(u,bits,) = glue3(UINT,bits,_C) (0);
#define DECLI(bits) glue3(int,bits,_t) glue3(i,bits,) = glue3(INT,bits,_C) (0);
#define DECL(us,bits) glue3(DECL,us,) (bits)
#define TESTUMAX(bits) glue3(u,bits,) = ~glue3(u,bits,); if (glue3(UINT,bits,_MAX) != glue3(u,bits,)) printf ("Something wrong with UINT%d_MAX\n", bits)
#define REPORTERROR(msg) { err_n++; if (err_first <= 0) err_first = __LINE__; printf msg; }
int main () {
int err_n = 0;
int err_first = 0;
DECL(I,8)
DECL(U,8)
DECL(I,16)
DECL(U,16)
DECL(I,32)
DECL(U,32)
#ifdef INT64_MAX
DECL(I,64)
DECL(U,64)
#endif
intmax_t imax = INTMAX_C(0);
uintmax_t umax = UINTMAX_C(0);
char str0[256], str1[256];
sprintf (str0, "%" PRINTF_INT32_MODIFIER "d", INT32_C(2147483647));
if (0 != strcmp (str0, "2147483647")) REPORTERROR (("Something wrong with PRINTF_INT32_MODIFIER : %s\n", str0));
if (atoi(PRINTF_INT32_DEC_WIDTH) != (int) strlen(str0)) REPORTERROR (("Something wrong with PRINTF_INT32_DEC_WIDTH : %s\n", PRINTF_INT32_DEC_WIDTH));
sprintf (str0, "%" PRINTF_INT32_MODIFIER "u", UINT32_C(4294967295));
if (0 != strcmp (str0, "4294967295")) REPORTERROR (("Something wrong with PRINTF_INT32_MODIFIER : %s\n", str0));
if (atoi(PRINTF_UINT32_DEC_WIDTH) != (int) strlen(str0)) REPORTERROR (("Something wrong with PRINTF_UINT32_DEC_WIDTH : %s\n", PRINTF_UINT32_DEC_WIDTH));
#ifdef INT64_MAX
sprintf (str1, "%" PRINTF_INT64_MODIFIER "d", INT64_C(9223372036854775807));
if (0 != strcmp (str1, "9223372036854775807")) REPORTERROR (("Something wrong with PRINTF_INT32_MODIFIER : %s\n", str1));
if (atoi(PRINTF_INT64_DEC_WIDTH) != (int) strlen(str1)) REPORTERROR (("Something wrong with PRINTF_INT64_DEC_WIDTH : %s, %d\n", PRINTF_INT64_DEC_WIDTH, (int) strlen(str1)));
sprintf (str1, "%" PRINTF_INT64_MODIFIER "u", UINT64_C(18446744073709550591));
if (0 != strcmp (str1, "18446744073709550591")) REPORTERROR (("Something wrong with PRINTF_INT32_MODIFIER : %s\n", str1));
if (atoi(PRINTF_UINT64_DEC_WIDTH) != (int) strlen(str1)) REPORTERROR (("Something wrong with PRINTF_UINT64_DEC_WIDTH : %s, %d\n", PRINTF_UINT64_DEC_WIDTH, (int) strlen(str1)));
#endif
sprintf (str0, "%d %x\n", 0, ~0);
sprintf (str1, "%d %x\n", i8, ~0);
if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with i8 : %s\n", str1));
sprintf (str1, "%u %x\n", u8, ~0);
if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with u8 : %s\n", str1));
sprintf (str1, "%d %x\n", i16, ~0);
if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with i16 : %s\n", str1));
sprintf (str1, "%u %x\n", u16, ~0);
if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with u16 : %s\n", str1));
sprintf (str1, "%" PRINTF_INT32_MODIFIER "d %x\n", i32, ~0);
if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with i32 : %s\n", str1));
sprintf (str1, "%" PRINTF_INT32_MODIFIER "u %x\n", u32, ~0);
if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with u32 : %s\n", str1));
#ifdef INT64_MAX
sprintf (str1, "%" PRINTF_INT64_MODIFIER "d %x\n", i64, ~0);
if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with i64 : %s\n", str1));
#endif
sprintf (str1, "%" PRINTF_INTMAX_MODIFIER "d %x\n", imax, ~0);
if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with imax : %s\n", str1));
sprintf (str1, "%" PRINTF_INTMAX_MODIFIER "u %x\n", umax, ~0);
if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with umax : %s\n", str1));
TESTUMAX(8);
TESTUMAX(16);
TESTUMAX(32);
#ifdef INT64_MAX
TESTUMAX(64);
#endif
#define STR(v) #v
#define Q(v) printf ("sizeof " STR(v) " = %u\n", (unsigned) sizeof (v));
if (err_n) {
printf ("pstdint.h is not correct. Please use sizes below to correct it:\n");
}
Q(int)
Q(unsigned)
Q(long int)
Q(short int)
Q(int8_t)
Q(int16_t)
Q(int32_t)
#ifdef INT64_MAX
Q(int64_t)
#endif
return EXIT_SUCCESS;
}
#endif

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// ===============================================================================
// May be included multiple times - sets structure packing to 1
// for all supported compilers. #include <poppack1.h> reverts the changes.
//
// Currently this works on the following compilers:
// MSVC 7,8,9
// GCC
// BORLAND (complains about 'pack state changed but not reverted', but works)
// Clang
//
//
// USAGE:
//
// struct StructToBePacked {
// } PACK_STRUCT;
//
// ===============================================================================
#ifdef AI_PUSHPACK_IS_DEFINED
# error poppack1.h must be included after pushpack1.h
#endif
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
# pragma pack(push,1)
# define PACK_STRUCT
#elif defined( __GNUC__ ) || defined(__clang__)
# if !defined(HOST_MINGW)
# define PACK_STRUCT __attribute__((__packed__))
# else
# define PACK_STRUCT __attribute__((gcc_struct, __packed__))
# endif
#else
# error Compiler not supported
#endif
#if defined(_MSC_VER)
// C4103: Packing was changed after the inclusion of the header, probably missing #pragma pop
# pragma warning (disable : 4103)
#endif
#define AI_PUSHPACK_IS_DEFINED

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file CreateAnimMesh.h
* Create AnimMesh from Mesh
*/
#ifndef INCLUDED_AI_CREATE_ANIM_MESH_H
#define INCLUDED_AI_CREATE_ANIM_MESH_H
#include <assimp/mesh.h>
namespace Assimp {
/** Create aiAnimMesh from aiMesh. */
ASSIMP_API aiAnimMesh *aiCreateAnimMesh(const aiMesh *mesh);
} // end of namespace Assimp
#endif // INCLUDED_AI_CREATE_ANIM_MESH_H

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Default file I/O using fXXX()-family of functions */
#ifndef AI_DEFAULTIOSTREAM_H_INC
#define AI_DEFAULTIOSTREAM_H_INC
#include <stdio.h>
#include <assimp/IOStream.hpp>
#include <assimp/importerdesc.h>
#include <assimp/Defines.h>
namespace Assimp {
// ----------------------------------------------------------------------------------
//! @class DefaultIOStream
//! @brief Default IO implementation, use standard IO operations
//! @note An instance of this class can exist without a valid file handle
//! attached to it. All calls fail, but the instance can nevertheless be
//! used with no restrictions.
class ASSIMP_API DefaultIOStream : public IOStream
{
friend class DefaultIOSystem;
#if __ANDROID__
# if __ANDROID_API__ > 9
# if defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
friend class AndroidJNIIOSystem;
# endif // defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
# endif // __ANDROID_API__ > 9
#endif // __ANDROID__
protected:
DefaultIOStream() AI_NO_EXCEPT;
DefaultIOStream(FILE* pFile, const std::string &strFilename);
public:
/** Destructor public to allow simple deletion to close the file. */
~DefaultIOStream ();
// -------------------------------------------------------------------
/// Read from stream
size_t Read(void* pvBuffer,
size_t pSize,
size_t pCount);
// -------------------------------------------------------------------
/// Write to stream
size_t Write(const void* pvBuffer,
size_t pSize,
size_t pCount);
// -------------------------------------------------------------------
/// Seek specific position
aiReturn Seek(size_t pOffset,
aiOrigin pOrigin);
// -------------------------------------------------------------------
/// Get current seek position
size_t Tell() const;
// -------------------------------------------------------------------
/// Get size of file
size_t FileSize() const;
// -------------------------------------------------------------------
/// Flush file contents
void Flush();
private:
// File data-structure, using clib
FILE* mFile;
// Filename
std::string mFilename;
// Cached file size
mutable size_t mCachedSize;
};
// ----------------------------------------------------------------------------------
inline
DefaultIOStream::DefaultIOStream() AI_NO_EXCEPT
: mFile(nullptr)
, mFilename("")
, mCachedSize(SIZE_MAX) {
// empty
}
// ----------------------------------------------------------------------------------
inline
DefaultIOStream::DefaultIOStream (FILE* pFile, const std::string &strFilename)
: mFile(pFile)
, mFilename(strFilename)
, mCachedSize(SIZE_MAX) {
// empty
}
// ----------------------------------------------------------------------------------
} // ns assimp
#endif //!!AI_DEFAULTIOSTREAM_H_INC

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Default implementation of IOSystem using the standard C file functions */
#ifndef AI_DEFAULTIOSYSTEM_H_INC
#define AI_DEFAULTIOSYSTEM_H_INC
#include <assimp/IOSystem.hpp>
namespace Assimp {
// ---------------------------------------------------------------------------
/** Default implementation of IOSystem using the standard C file functions */
class ASSIMP_API DefaultIOSystem : public IOSystem {
public:
// -------------------------------------------------------------------
/** Tests for the existence of a file at the given path. */
bool Exists( const char* pFile) const;
// -------------------------------------------------------------------
/** Returns the directory separator. */
char getOsSeparator() const;
// -------------------------------------------------------------------
/** Open a new file with a given path. */
IOStream* Open( const char* pFile, const char* pMode = "rb");
// -------------------------------------------------------------------
/** Closes the given file and releases all resources associated with it. */
void Close( IOStream* pFile);
// -------------------------------------------------------------------
/** Compare two paths */
bool ComparePaths (const char* one, const char* second) const;
/** @brief get the file name of a full filepath
* example: /tmp/archive.tar.gz -> archive.tar.gz
*/
static std::string fileName( const std::string &path );
/** @brief get the complete base name of a full filepath
* example: /tmp/archive.tar.gz -> archive.tar
*/
static std::string completeBaseName( const std::string &path);
/** @brief get the path of a full filepath
* example: /tmp/archive.tar.gz -> /tmp/
*/
static std::string absolutePath( const std::string &path);
};
} //!ns Assimp
#endif //AI_DEFAULTIOSYSTEM_H_INC

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file DefaultLogger.hpp
*/
#ifndef INCLUDED_AI_DEFAULTLOGGER
#define INCLUDED_AI_DEFAULTLOGGER
#include "Logger.hpp"
#include "LogStream.hpp"
#include "NullLogger.hpp"
#include <vector>
namespace Assimp {
// ------------------------------------------------------------------------------------
class IOStream;
struct LogStreamInfo;
/** default name of logfile */
#define ASSIMP_DEFAULT_LOG_NAME "AssimpLog.txt"
// ------------------------------------------------------------------------------------
/** @brief CPP-API: Primary logging facility of Assimp.
*
* The library stores its primary #Logger as a static member of this class.
* #get() returns this primary logger. By default the underlying implementation is
* just a #NullLogger which rejects all log messages. By calling #create(), logging
* is turned on. To capture the log output multiple log streams (#LogStream) can be
* attach to the logger. Some default streams for common streaming locations (such as
* a file, std::cout, OutputDebugString()) are also provided.
*
* If you wish to customize the logging at an even deeper level supply your own
* implementation of #Logger to #set().
* @note The whole logging stuff causes a small extra overhead for all imports. */
class ASSIMP_API DefaultLogger :
public Logger {
public:
// ----------------------------------------------------------------------
/** @brief Creates a logging instance.
* @param name Name for log file. Only valid in combination
* with the aiDefaultLogStream_FILE flag.
* @param severity Log severity, VERBOSE turns on debug messages
* @param defStreams Default log streams to be attached. Any bitwise
* combination of the aiDefaultLogStream enumerated values.
* If #aiDefaultLogStream_FILE is specified but an empty string is
* passed for 'name', no log file is created at all.
* @param io IOSystem to be used to open external files (such as the
* log file). Pass NULL to rely on the default implementation.
* This replaces the default #NullLogger with a #DefaultLogger instance. */
static Logger *create(const char* name = ASSIMP_DEFAULT_LOG_NAME,
LogSeverity severity = NORMAL,
unsigned int defStreams = aiDefaultLogStream_DEBUGGER | aiDefaultLogStream_FILE,
IOSystem* io = NULL);
// ----------------------------------------------------------------------
/** @brief Setup a custom #Logger implementation.
*
* Use this if the provided #DefaultLogger class doesn't fit into
* your needs. If the provided message formatting is OK for you,
* it's much easier to use #create() and to attach your own custom
* output streams to it.
* @param logger Pass NULL to setup a default NullLogger*/
static void set (Logger *logger);
// ----------------------------------------------------------------------
/** @brief Getter for singleton instance
* @return Only instance. This is never null, but it could be a
* NullLogger. Use isNullLogger to check this.*/
static Logger *get();
// ----------------------------------------------------------------------
/** @brief Return whether a #NullLogger is currently active
* @return true if the current logger is a #NullLogger.
* Use create() or set() to setup a logger that does actually do
* something else than just rejecting all log messages. */
static bool isNullLogger();
// ----------------------------------------------------------------------
/** @brief Kills the current singleton logger and replaces it with a
* #NullLogger instance. */
static void kill();
// ----------------------------------------------------------------------
/** @copydoc Logger::attachStream */
bool attachStream(LogStream *pStream,
unsigned int severity);
// ----------------------------------------------------------------------
/** @copydoc Logger::detatchStream */
bool detatchStream(LogStream *pStream,
unsigned int severity);
private:
// ----------------------------------------------------------------------
/** @briefPrivate construction for internal use by create().
* @param severity Logging granularity */
explicit DefaultLogger(LogSeverity severity);
// ----------------------------------------------------------------------
/** @briefDestructor */
~DefaultLogger();
/** @brief Logs debug infos, only been written when severity level VERBOSE is set */
void OnDebug(const char* message);
/** @brief Logs an info message */
void OnInfo(const char* message);
/** @brief Logs a warning message */
void OnWarn(const char* message);
/** @brief Logs an error message */
void OnError(const char* message);
// ----------------------------------------------------------------------
/** @brief Writes a message to all streams */
void WriteToStreams(const char* message, ErrorSeverity ErrorSev );
// ----------------------------------------------------------------------
/** @brief Returns the thread id.
* @note This is an OS specific feature, if not supported, a
* zero will be returned.
*/
unsigned int GetThreadID();
private:
// Aliases for stream container
typedef std::vector<LogStreamInfo*> StreamArray;
typedef std::vector<LogStreamInfo*>::iterator StreamIt;
typedef std::vector<LogStreamInfo*>::const_iterator ConstStreamIt;
//! only logging instance
static Logger *m_pLogger;
static NullLogger s_pNullLogger;
//! Attached streams
StreamArray m_StreamArray;
bool noRepeatMsg;
char lastMsg[MAX_LOG_MESSAGE_LENGTH*2];
size_t lastLen;
};
// ------------------------------------------------------------------------------------
} // Namespace Assimp
#endif // !! INCLUDED_AI_DEFAULTLOGGER

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2012, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
// We need those constants, workaround for any platforms where nobody defined them yet
#if (!defined SIZE_MAX)
# define SIZE_MAX (~((size_t)0))
#endif
#if (!defined UINT_MAX)
# define UINT_MAX (~((unsigned int)0))
#endif

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2008, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
#ifndef INCLUDED_EXCEPTIONAL_H
#define INCLUDED_EXCEPTIONAL_H
#include <stdexcept>
#include <assimp/DefaultIOStream.h>
using std::runtime_error;
#ifdef _MSC_VER
# pragma warning(disable : 4275)
#endif
// ---------------------------------------------------------------------------
/** FOR IMPORTER PLUGINS ONLY: Simple exception class to be thrown if an
* unrecoverable error occurs while importing. Loading APIs return
* NULL instead of a valid aiScene then. */
class DeadlyImportError
: public runtime_error
{
public:
/** Constructor with arguments */
explicit DeadlyImportError( const std::string& errorText)
: runtime_error(errorText)
{
}
private:
};
typedef DeadlyImportError DeadlyExportError;
#ifdef _MSC_VER
# pragma warning(default : 4275)
#endif
// ---------------------------------------------------------------------------
template <typename T>
struct ExceptionSwallower {
T operator ()() const {
return T();
}
};
// ---------------------------------------------------------------------------
template <typename T>
struct ExceptionSwallower<T*> {
T* operator ()() const {
return NULL;
}
};
// ---------------------------------------------------------------------------
template <>
struct ExceptionSwallower<aiReturn> {
aiReturn operator ()() const {
try {
throw;
}
catch (std::bad_alloc&) {
return aiReturn_OUTOFMEMORY;
}
catch (...) {
return aiReturn_FAILURE;
}
}
};
// ---------------------------------------------------------------------------
template <>
struct ExceptionSwallower<void> {
void operator ()() const {
return;
}
};
#define ASSIMP_BEGIN_EXCEPTION_REGION()\
{\
try {
#define ASSIMP_END_EXCEPTION_REGION(type)\
} catch(...) {\
return ExceptionSwallower<type>()();\
}\
}
#endif // INCLUDED_EXCEPTIONAL_H

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file Exporter.hpp
* @brief Defines the CPP-API for the Assimp export interface
*/
#pragma once
#ifndef AI_EXPORT_HPP_INC
#define AI_EXPORT_HPP_INC
#ifndef ASSIMP_BUILD_NO_EXPORT
#include "cexport.h"
#include <map>
namespace Assimp {
class ExporterPimpl;
class IOSystem;
class ProgressHandler;
// ----------------------------------------------------------------------------------
/** CPP-API: The Exporter class forms an C++ interface to the export functionality
* of the Open Asset Import Library. Note that the export interface is available
* only if Assimp has been built with ASSIMP_BUILD_NO_EXPORT not defined.
*
* The interface is modeled after the importer interface and mostly
* symmetric. The same rules for threading etc. apply.
*
* In a nutshell, there are two export interfaces: #Export, which writes the
* output file(s) either to the regular file system or to a user-supplied
* #IOSystem, and #ExportToBlob which returns a linked list of memory
* buffers (blob), each referring to one output file (in most cases
* there will be only one output file of course, but this extra complexity is
* needed since Assimp aims at supporting a wide range of file formats).
*
* #ExportToBlob is especially useful if you intend to work
* with the data in-memory.
*/
class ASSIMP_API ExportProperties;
class ASSIMP_API Exporter {
public:
/** Function pointer type of a Export worker function */
typedef void (*fpExportFunc)(const char*, IOSystem*, const aiScene*, const ExportProperties*);
/** Internal description of an Assimp export format option */
struct ExportFormatEntry {
/// Public description structure to be returned by aiGetExportFormatDescription()
aiExportFormatDesc mDescription;
// Worker function to do the actual exporting
fpExportFunc mExportFunction;
// Post-processing steps to be executed PRIOR to invoking mExportFunction
unsigned int mEnforcePP;
// Constructor to fill all entries
ExportFormatEntry( const char* pId, const char* pDesc, const char* pExtension, fpExportFunc pFunction, unsigned int pEnforcePP = 0u)
{
mDescription.id = pId;
mDescription.description = pDesc;
mDescription.fileExtension = pExtension;
mExportFunction = pFunction;
mEnforcePP = pEnforcePP;
}
ExportFormatEntry() :
mExportFunction()
, mEnforcePP()
{
mDescription.id = NULL;
mDescription.description = NULL;
mDescription.fileExtension = NULL;
}
};
/**
* @brief The class constructor.
*/
Exporter();
/**
* @brief The class destructor.
*/
~Exporter();
// -------------------------------------------------------------------
/** Supplies a custom IO handler to the exporter to use to open and
* access files.
*
* If you need #Export to use custom IO logic to access the files,
* you need to supply a custom implementation of IOSystem and
* IOFile to the exporter.
*
* #Exporter takes ownership of the object and will destroy it
* afterwards. The previously assigned handler will be deleted.
* Pass NULL to take again ownership of your IOSystem and reset Assimp
* to use its default implementation, which uses plain file IO.
*
* @param pIOHandler The IO handler to be used in all file accesses
* of the Importer. */
void SetIOHandler( IOSystem* pIOHandler);
// -------------------------------------------------------------------
/** Retrieves the IO handler that is currently set.
* You can use #IsDefaultIOHandler() to check whether the returned
* interface is the default IO handler provided by ASSIMP. The default
* handler is active as long the application doesn't supply its own
* custom IO handler via #SetIOHandler().
* @return A valid IOSystem interface, never NULL. */
IOSystem* GetIOHandler() const;
// -------------------------------------------------------------------
/** Checks whether a default IO handler is active
* A default handler is active as long the application doesn't
* supply its own custom IO handler via #SetIOHandler().
* @return true by default */
bool IsDefaultIOHandler() const;
// -------------------------------------------------------------------
/** Supplies a custom progress handler to the exporter. This
* interface exposes an #Update() callback, which is called
* more or less periodically (please don't sue us if it
* isn't as periodically as you'd like it to have ...).
* This can be used to implement progress bars and loading
* timeouts.
* @param pHandler Progress callback interface. Pass nullptr to
* disable progress reporting.
* @note Progress handlers can be used to abort the loading
* at almost any time.*/
void SetProgressHandler(ProgressHandler* pHandler);
// -------------------------------------------------------------------
/** Exports the given scene to a chosen file format. Returns the exported
* data as a binary blob which you can write into a file or something.
* When you're done with the data, simply let the #Exporter instance go
* out of scope to have it released automatically.
* @param pScene The scene to export. Stays in possession of the caller,
* is not changed by the function.
* @param pFormatId ID string to specify to which format you want to
* export to. Use
* #GetExportFormatCount / #GetExportFormatDescription to learn which
* export formats are available.
* @param pPreprocessing See the documentation for #Export
* @return the exported data or NULL in case of error.
* @note If the Exporter instance did already hold a blob from
* a previous call to #ExportToBlob, it will be disposed.
* Any IO handlers set via #SetIOHandler are ignored here.
* @note Use aiCopyScene() to get a modifiable copy of a previously
* imported scene. */
const aiExportDataBlob* ExportToBlob(const aiScene* pScene, const char* pFormatId,
unsigned int pPreprocessing = 0u, const ExportProperties* pProperties = nullptr);
const aiExportDataBlob* ExportToBlob( const aiScene* pScene, const std::string& pFormatId,
unsigned int pPreprocessing = 0u, const ExportProperties* pProperties = nullptr);
// -------------------------------------------------------------------
/** Convenience function to export directly to a file. Use
* #SetIOSystem to supply a custom IOSystem to gain fine-grained control
* about the output data flow of the export process.
* @param pBlob A data blob obtained from a previous call to #aiExportScene. Must not be NULL.
* @param pPath Full target file name. Target must be accessible.
* @param pPreprocessing Accepts any choice of the #aiPostProcessSteps enumerated
* flags, but in reality only a subset of them makes sense here. Specifying
* 'preprocessing' flags is useful if the input scene does not conform to
* Assimp's default conventions as specified in the @link data Data Structures Page @endlink.
* In short, this means the geometry data should use a right-handed coordinate systems, face
* winding should be counter-clockwise and the UV coordinate origin is assumed to be in
* the upper left. The #aiProcess_MakeLeftHanded, #aiProcess_FlipUVs and
* #aiProcess_FlipWindingOrder flags are used in the import side to allow users
* to have those defaults automatically adapted to their conventions. Specifying those flags
* for exporting has the opposite effect, respectively. Some other of the
* #aiPostProcessSteps enumerated values may be useful as well, but you'll need
* to try out what their effect on the exported file is. Many formats impose
* their own restrictions on the structure of the geometry stored therein,
* so some preprocessing may have little or no effect at all, or may be
* redundant as exporters would apply them anyhow. A good example
* is triangulation - whilst you can enforce it by specifying
* the #aiProcess_Triangulate flag, most export formats support only
* triangulate data so they would run the step even if it wasn't requested.
*
* If assimp detects that the input scene was directly taken from the importer side of
* the library (i.e. not copied using aiCopyScene and potentially modified afterwards),
* any post-processing steps already applied to the scene will not be applied again, unless
* they show non-idempotent behavior (#aiProcess_MakeLeftHanded, #aiProcess_FlipUVs and
* #aiProcess_FlipWindingOrder).
* @return AI_SUCCESS if everything was fine.
* @note Use aiCopyScene() to get a modifiable copy of a previously
* imported scene.*/
aiReturn Export( const aiScene* pScene, const char* pFormatId, const char* pPath,
unsigned int pPreprocessing = 0u, const ExportProperties* pProperties = nullptr);
aiReturn Export( const aiScene* pScene, const std::string& pFormatId, const std::string& pPath,
unsigned int pPreprocessing = 0u, const ExportProperties* pProperties = nullptr);
// -------------------------------------------------------------------
/** Returns an error description of an error that occurred in #Export
* or #ExportToBlob
*
* Returns an empty string if no error occurred.
* @return A description of the last error, an empty string if no
* error occurred. The string is never NULL.
*
* @note The returned function remains valid until one of the
* following methods is called: #Export, #ExportToBlob, #FreeBlob */
const char* GetErrorString() const;
// -------------------------------------------------------------------
/** Return the blob obtained from the last call to #ExportToBlob */
const aiExportDataBlob* GetBlob() const;
// -------------------------------------------------------------------
/** Orphan the blob from the last call to #ExportToBlob. This means
* the caller takes ownership and is thus responsible for calling
* the C API function #aiReleaseExportBlob to release it. */
const aiExportDataBlob* GetOrphanedBlob() const;
// -------------------------------------------------------------------
/** Frees the current blob.
*
* The function does nothing if no blob has previously been
* previously produced via #ExportToBlob. #FreeBlob is called
* automatically by the destructor. The only reason to call
* it manually would be to reclaim as much storage as possible
* without giving up the #Exporter instance yet. */
void FreeBlob( );
// -------------------------------------------------------------------
/** Returns the number of export file formats available in the current
* Assimp build. Use #Exporter::GetExportFormatDescription to
* retrieve infos of a specific export format.
*
* This includes built-in exporters as well as exporters registered
* using #RegisterExporter.
**/
size_t GetExportFormatCount() const;
// -------------------------------------------------------------------
/** Returns a description of the nth export file format. Use #
* #Exporter::GetExportFormatCount to learn how many export
* formats are supported.
*
* The returned pointer is of static storage duration if the
* pIndex pertains to a built-in exporter (i.e. one not registered
* via #RegistrerExporter). It is restricted to the life-time of the
* #Exporter instance otherwise.
*
* @param pIndex Index of the export format to retrieve information
* for. Valid range is 0 to #Exporter::GetExportFormatCount
* @return A description of that specific export format.
* NULL if pIndex is out of range. */
const aiExportFormatDesc* GetExportFormatDescription( size_t pIndex ) const;
// -------------------------------------------------------------------
/** Register a custom exporter. Custom export formats are limited to
* to the current #Exporter instance and do not affect the
* library globally. The indexes under which the format's
* export format description can be queried are assigned
* monotonously.
* @param desc Exporter description.
* @return aiReturn_SUCCESS if the export format was successfully
* registered. A common cause that would prevent an exporter
* from being registered is that its format id is already
* occupied by another format. */
aiReturn RegisterExporter(const ExportFormatEntry& desc);
// -------------------------------------------------------------------
/** Remove an export format previously registered with #RegisterExporter
* from the #Exporter instance (this can also be used to drop
* built-in exporters because those are implicitly registered
* using #RegisterExporter).
* @param id Format id to be unregistered, this refers to the
* 'id' field of #aiExportFormatDesc.
* @note Calling this method on a format description not yet registered
* has no effect.*/
void UnregisterExporter(const char* id);
protected:
// Just because we don't want you to know how we're hacking around.
ExporterPimpl* pimpl;
};
class ASSIMP_API ExportProperties {
public:
// Data type to store the key hash
typedef unsigned int KeyType;
// typedefs for our four configuration maps.
// We don't need more, so there is no need for a generic solution
typedef std::map<KeyType, int> IntPropertyMap;
typedef std::map<KeyType, ai_real> FloatPropertyMap;
typedef std::map<KeyType, std::string> StringPropertyMap;
typedef std::map<KeyType, aiMatrix4x4> MatrixPropertyMap;
public:
/** Standard constructor
* @see ExportProperties()
*/
ExportProperties();
// -------------------------------------------------------------------
/** Copy constructor.
*
* This copies the configuration properties of another ExportProperties.
* @see ExportProperties(const ExportProperties& other)
*/
ExportProperties(const ExportProperties& other);
// -------------------------------------------------------------------
/** Set an integer configuration property.
* @param szName Name of the property. All supported properties
* are defined in the aiConfig.g header (all constants share the
* prefix AI_CONFIG_XXX and are simple strings).
* @param iValue New value of the property
* @return true if the property was set before. The new value replaces
* the previous value in this case.
* @note Property of different types (float, int, string ..) are kept
* on different stacks, so calling SetPropertyInteger() for a
* floating-point property has no effect - the loader will call
* GetPropertyFloat() to read the property, but it won't be there.
*/
bool SetPropertyInteger(const char* szName, int iValue);
// -------------------------------------------------------------------
/** Set a boolean configuration property. Boolean properties
* are stored on the integer stack internally so it's possible
* to set them via #SetPropertyBool and query them with
* #GetPropertyBool and vice versa.
* @see SetPropertyInteger()
*/
bool SetPropertyBool(const char* szName, bool value) {
return SetPropertyInteger(szName,value);
}
// -------------------------------------------------------------------
/** Set a floating-point configuration property.
* @see SetPropertyInteger()
*/
bool SetPropertyFloat(const char* szName, ai_real fValue);
// -------------------------------------------------------------------
/** Set a string configuration property.
* @see SetPropertyInteger()
*/
bool SetPropertyString(const char* szName, const std::string& sValue);
// -------------------------------------------------------------------
/** Set a matrix configuration property.
* @see SetPropertyInteger()
*/
bool SetPropertyMatrix(const char* szName, const aiMatrix4x4& sValue);
// -------------------------------------------------------------------
/** Get a configuration property.
* @param szName Name of the property. All supported properties
* are defined in the aiConfig.g header (all constants share the
* prefix AI_CONFIG_XXX).
* @param iErrorReturn Value that is returned if the property
* is not found.
* @return Current value of the property
* @note Property of different types (float, int, string ..) are kept
* on different lists, so calling SetPropertyInteger() for a
* floating-point property has no effect - the loader will call
* GetPropertyFloat() to read the property, but it won't be there.
*/
int GetPropertyInteger(const char* szName,
int iErrorReturn = 0xffffffff) const;
// -------------------------------------------------------------------
/** Get a boolean configuration property. Boolean properties
* are stored on the integer stack internally so it's possible
* to set them via #SetPropertyBool and query them with
* #GetPropertyBool and vice versa.
* @see GetPropertyInteger()
*/
bool GetPropertyBool(const char* szName, bool bErrorReturn = false) const {
return GetPropertyInteger(szName,bErrorReturn)!=0;
}
// -------------------------------------------------------------------
/** Get a floating-point configuration property
* @see GetPropertyInteger()
*/
ai_real GetPropertyFloat(const char* szName,
ai_real fErrorReturn = 10e10f) const;
// -------------------------------------------------------------------
/** Get a string configuration property
*
* The return value remains valid until the property is modified.
* @see GetPropertyInteger()
*/
const std::string GetPropertyString(const char* szName,
const std::string& sErrorReturn = "") const;
// -------------------------------------------------------------------
/** Get a matrix configuration property
*
* The return value remains valid until the property is modified.
* @see GetPropertyInteger()
*/
const aiMatrix4x4 GetPropertyMatrix(const char* szName,
const aiMatrix4x4& sErrorReturn = aiMatrix4x4()) const;
// -------------------------------------------------------------------
/** Determine a integer configuration property has been set.
* @see HasPropertyInteger()
*/
bool HasPropertyInteger(const char* szName) const;
/** Determine a boolean configuration property has been set.
* @see HasPropertyBool()
*/
bool HasPropertyBool(const char* szName) const;
/** Determine a boolean configuration property has been set.
* @see HasPropertyFloat()
*/
bool HasPropertyFloat(const char* szName) const;
/** Determine a String configuration property has been set.
* @see HasPropertyString()
*/
bool HasPropertyString(const char* szName) const;
/** Determine a Matrix configuration property has been set.
* @see HasPropertyMatrix()
*/
bool HasPropertyMatrix(const char* szName) const;
protected:
/** List of integer properties */
IntPropertyMap mIntProperties;
/** List of floating-point properties */
FloatPropertyMap mFloatProperties;
/** List of string properties */
StringPropertyMap mStringProperties;
/** List of Matrix properties */
MatrixPropertyMap mMatrixProperties;
};
// ----------------------------------------------------------------------------------
inline
const aiExportDataBlob* Exporter::ExportToBlob( const aiScene* pScene, const std::string& pFormatId,
unsigned int pPreprocessing, const ExportProperties* pProperties)
{
return ExportToBlob(pScene,pFormatId.c_str(),pPreprocessing, pProperties);
}
// ----------------------------------------------------------------------------------
inline
aiReturn Exporter :: Export( const aiScene* pScene, const std::string& pFormatId,
const std::string& pPath, unsigned int pPreprocessing,
const ExportProperties* pProperties)
{
return Export(pScene,pFormatId.c_str(),pPath.c_str(),pPreprocessing, pProperties);
}
} // namespace Assimp
#endif // ASSIMP_BUILD_NO_EXPORT
#endif // AI_EXPORT_HPP_INC

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
#ifndef AI_GENERIC_PROPERTY_H_INCLUDED
#define AI_GENERIC_PROPERTY_H_INCLUDED
#include <assimp/Importer.hpp>
#include <assimp/ai_assert.h>
#include "Hash.h"
#include <map>
// ------------------------------------------------------------------------------------------------
template <class T>
inline
bool SetGenericProperty(std::map< unsigned int, T >& list,
const char* szName, const T& value) {
ai_assert(nullptr != szName);
const uint32_t hash = SuperFastHash(szName);
typename std::map<unsigned int, T>::iterator it = list.find(hash);
if (it == list.end()) {
list.insert(std::pair<unsigned int, T>( hash, value ));
return false;
}
(*it).second = value;
return true;
}
// ------------------------------------------------------------------------------------------------
template <class T>
inline
const T& GetGenericProperty(const std::map< unsigned int, T >& list,
const char* szName, const T& errorReturn) {
ai_assert(nullptr != szName);
const uint32_t hash = SuperFastHash(szName);
typename std::map<unsigned int, T>::const_iterator it = list.find(hash);
if (it == list.end()) {
return errorReturn;
}
return (*it).second;
}
// ------------------------------------------------------------------------------------------------
// Special version for pointer types - they will be deleted when replaced with another value
// passing NULL removes the whole property
template <class T>
inline
void SetGenericPropertyPtr(std::map< unsigned int, T* >& list,
const char* szName, T* value, bool* bWasExisting = nullptr ) {
ai_assert(nullptr != szName);
const uint32_t hash = SuperFastHash(szName);
typename std::map<unsigned int, T*>::iterator it = list.find(hash);
if (it == list.end()) {
if (bWasExisting) {
*bWasExisting = false;
}
list.insert(std::pair<unsigned int,T*>( hash, value ));
return;
}
if ((*it).second != value) {
delete (*it).second;
(*it).second = value;
}
if (!value) {
list.erase(it);
}
if (bWasExisting) {
*bWasExisting = true;
}
}
// ------------------------------------------------------------------------------------------------
template <class T>
inline
bool HasGenericProperty(const std::map< unsigned int, T >& list,
const char* szName) {
ai_assert(nullptr != szName);
const uint32_t hash = SuperFastHash(szName);
typename std::map<unsigned int, T>::const_iterator it = list.find(hash);
if (it == list.end()) {
return false;
}
return true;
}
#endif // !! AI_GENERIC_PROPERTY_H_INCLUDED

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
#ifndef AI_HASH_H_INCLUDED
#define AI_HASH_H_INCLUDED
#include <stdint.h>
#include <string.h>
// ------------------------------------------------------------------------------------------------
// Hashing function taken from
// http://www.azillionmonkeys.com/qed/hash.html
// (incremental version)
//
// This code is Copyright 2004-2008 by Paul Hsieh. It is used here in the belief that
// Assimp's license is considered compatible with Pauls's derivative license as specified
// on his web page.
//
// (stdint.h should have been been included here)
// ------------------------------------------------------------------------------------------------
#undef get16bits
#if (defined(__GNUC__) && defined(__i386__)) || defined(__WATCOMC__) \
|| defined(_MSC_VER) || defined (__BORLANDC__) || defined (__TURBOC__)
#define get16bits(d) (*((const uint16_t *) (d)))
#endif
#if !defined (get16bits)
#define get16bits(d) ((((uint32_t)(((const uint8_t *)(d))[1])) << 8)\
+(uint32_t)(((const uint8_t *)(d))[0]) )
#endif
// ------------------------------------------------------------------------------------------------
inline uint32_t SuperFastHash (const char * data, uint32_t len = 0, uint32_t hash = 0) {
uint32_t tmp;
int rem;
if (!data) return 0;
if (!len)len = (uint32_t)::strlen(data);
rem = len & 3;
len >>= 2;
/* Main loop */
for (;len > 0; len--) {
hash += get16bits (data);
tmp = (get16bits (data+2) << 11) ^ hash;
hash = (hash << 16) ^ tmp;
data += 2*sizeof (uint16_t);
hash += hash >> 11;
}
/* Handle end cases */
switch (rem) {
case 3: hash += get16bits (data);
hash ^= hash << 16;
hash ^= data[sizeof (uint16_t)] << 18;
hash += hash >> 11;
break;
case 2: hash += get16bits (data);
hash ^= hash << 11;
hash += hash >> 17;
break;
case 1: hash += *data;
hash ^= hash << 10;
hash += hash >> 1;
}
/* Force "avalanching" of final 127 bits */
hash ^= hash << 3;
hash += hash >> 5;
hash ^= hash << 4;
hash += hash >> 17;
hash ^= hash << 25;
hash += hash >> 6;
return hash;
}
#endif // !! AI_HASH_H_INCLUDED

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file IOStream.hpp
* @brief File I/O wrappers for C++.
*/
#pragma once
#ifndef AI_IOSTREAM_H_INC
#define AI_IOSTREAM_H_INC
#include "types.h"
#ifndef __cplusplus
# error This header requires C++ to be used. aiFileIO.h is the \
corresponding C interface.
#endif
namespace Assimp {
// ----------------------------------------------------------------------------------
/** @brief CPP-API: Class to handle file I/O for C++
*
* Derive an own implementation from this interface to provide custom IO handling
* to the Importer. If you implement this interface, be sure to also provide an
* implementation for IOSystem that creates instances of your custom IO class.
*/
class ASSIMP_API IOStream
#ifndef SWIG
: public Intern::AllocateFromAssimpHeap
#endif
{
protected:
/** Constructor protected, use IOSystem::Open() to create an instance. */
IOStream() AI_NO_EXCEPT;
public:
// -------------------------------------------------------------------
/** @brief Destructor. Deleting the object closes the underlying file,
* alternatively you may use IOSystem::Close() to release the file.
*/
virtual ~IOStream();
// -------------------------------------------------------------------
/** @brief Read from the file
*
* See fread() for more details
* This fails for write-only files */
virtual size_t Read(void* pvBuffer,
size_t pSize,
size_t pCount) = 0;
// -------------------------------------------------------------------
/** @brief Write to the file
*
* See fwrite() for more details
* This fails for read-only files */
virtual size_t Write(const void* pvBuffer,
size_t pSize,
size_t pCount) = 0;
// -------------------------------------------------------------------
/** @brief Set the read/write cursor of the file
*
* Note that the offset is _negative_ for aiOrigin_END.
* See fseek() for more details */
virtual aiReturn Seek(size_t pOffset,
aiOrigin pOrigin) = 0;
// -------------------------------------------------------------------
/** @brief Get the current position of the read/write cursor
*
* See ftell() for more details */
virtual size_t Tell() const = 0;
// -------------------------------------------------------------------
/** @brief Returns filesize
* Returns the filesize. */
virtual size_t FileSize() const = 0;
// -------------------------------------------------------------------
/** @brief Flush the contents of the file buffer (for writers)
* See fflush() for more details.
*/
virtual void Flush() = 0;
}; //! class IOStream
// ----------------------------------------------------------------------------------
inline
IOStream::IOStream() AI_NO_EXCEPT {
// empty
}
// ----------------------------------------------------------------------------------
inline
IOStream::~IOStream() {
// empty
}
// ----------------------------------------------------------------------------------
} //!namespace Assimp
#endif //!!AI_IOSTREAM_H_INC

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#pragma once
/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
#include <assimp/types.h>
#include <assimp/IOStream.hpp>
#include "ParsingUtils.h"
#include <vector>
namespace Assimp {
// ---------------------------------------------------------------------------
/**
* Implementation of a cached stream buffer.
*/
template<class T>
class IOStreamBuffer {
public:
/// @brief The class constructor.
IOStreamBuffer( size_t cache = 4096 * 4096 );
/// @brief The class destructor.
~IOStreamBuffer();
/// @brief Will open the cached access for a given stream.
/// @param stream The stream to cache.
/// @return true if successful.
bool open( IOStream *stream );
/// @brief Will close the cached access.
/// @return true if successful.
bool close();
/// @brief Returns the file-size.
/// @return The file-size.
size_t size() const;
/// @brief Returns the cache size.
/// @return The cache size.
size_t cacheSize() const;
/// @brief Will read the next block.
/// @return true if successful.
bool readNextBlock();
/// @brief Returns the number of blocks to read.
/// @return The number of blocks.
size_t getNumBlocks() const;
/// @brief Returns the current block index.
/// @return The current block index.
size_t getCurrentBlockIndex() const;
/// @brief Returns the current file pos.
/// @return The current file pos.
size_t getFilePos() const;
/// @brief Will read the next line.
/// @param buffer The buffer for the next line.
/// @return true if successful.
bool getNextDataLine( std::vector<T> &buffer, T continuationToken );
/// @brief Will read the next line ascii or binary end line char.
/// @param buffer The buffer for the next line.
/// @return true if successful.
bool getNextLine(std::vector<T> &buffer);
/// @brief Will read the next block.
/// @param buffer The buffer for the next block.
/// @return true if successful.
bool getNextBlock( std::vector<T> &buffer );
private:
IOStream *m_stream;
size_t m_filesize;
size_t m_cacheSize;
size_t m_numBlocks;
size_t m_blockIdx;
std::vector<T> m_cache;
size_t m_cachePos;
size_t m_filePos;
};
template<class T>
inline
IOStreamBuffer<T>::IOStreamBuffer( size_t cache )
: m_stream( nullptr )
, m_filesize( 0 )
, m_cacheSize( cache )
, m_numBlocks( 0 )
, m_blockIdx( 0 )
, m_cachePos( 0 )
, m_filePos( 0 ) {
m_cache.resize( cache );
std::fill( m_cache.begin(), m_cache.end(), '\n' );
}
template<class T>
inline
IOStreamBuffer<T>::~IOStreamBuffer() {
// empty
}
template<class T>
inline
bool IOStreamBuffer<T>::open( IOStream *stream ) {
// file still opened!
if ( nullptr != m_stream ) {
return false;
}
// Invalid stream pointer
if ( nullptr == stream ) {
return false;
}
m_stream = stream;
m_filesize = m_stream->FileSize();
if ( m_filesize == 0 ) {
return false;
}
if ( m_filesize < m_cacheSize ) {
m_cacheSize = m_filesize;
}
m_numBlocks = m_filesize / m_cacheSize;
if ( ( m_filesize % m_cacheSize ) > 0 ) {
m_numBlocks++;
}
return true;
}
template<class T>
inline
bool IOStreamBuffer<T>::close() {
if ( nullptr == m_stream ) {
return false;
}
// init counters and state vars
m_stream = nullptr;
m_filesize = 0;
m_numBlocks = 0;
m_blockIdx = 0;
m_cachePos = 0;
m_filePos = 0;
return true;
}
template<class T>
inline
size_t IOStreamBuffer<T>::size() const {
return m_filesize;
}
template<class T>
inline
size_t IOStreamBuffer<T>::cacheSize() const {
return m_cacheSize;
}
template<class T>
inline
bool IOStreamBuffer<T>::readNextBlock() {
m_stream->Seek( m_filePos, aiOrigin_SET );
size_t readLen = m_stream->Read( &m_cache[ 0 ], sizeof( T ), m_cacheSize );
if ( readLen == 0 ) {
return false;
}
if ( readLen < m_cacheSize ) {
m_cacheSize = readLen;
}
m_filePos += m_cacheSize;
m_cachePos = 0;
m_blockIdx++;
return true;
}
template<class T>
inline
size_t IOStreamBuffer<T>::getNumBlocks() const {
return m_numBlocks;
}
template<class T>
inline
size_t IOStreamBuffer<T>::getCurrentBlockIndex() const {
return m_blockIdx;
}
template<class T>
inline
size_t IOStreamBuffer<T>::getFilePos() const {
return m_filePos;
}
template<class T>
inline
bool IOStreamBuffer<T>::getNextDataLine( std::vector<T> &buffer, T continuationToken ) {
buffer.resize( m_cacheSize );
if ( m_cachePos >= m_cacheSize || 0 == m_filePos ) {
if ( !readNextBlock() ) {
return false;
}
}
bool continuationFound( false );
size_t i = 0;
for( ;; ) {
if ( continuationToken == m_cache[ m_cachePos ] ) {
continuationFound = true;
++m_cachePos;
}
if ( IsLineEnd( m_cache[ m_cachePos ] ) ) {
if ( !continuationFound ) {
// the end of the data line
break;
} else {
// skip line end
while ( m_cache[m_cachePos] != '\n') {
++m_cachePos;
}
++m_cachePos;
continuationFound = false;
}
}
buffer[ i ] = m_cache[ m_cachePos ];
++m_cachePos;
++i;
if (m_cachePos >= size()) {
break;
}
if ( m_cachePos >= m_cacheSize ) {
if ( !readNextBlock() ) {
return false;
}
}
}
buffer[ i ] = '\n';
++m_cachePos;
return true;
}
static inline
bool isEndOfCache( size_t pos, size_t cacheSize ) {
return ( pos == cacheSize );
}
template<class T>
inline
bool IOStreamBuffer<T>::getNextLine(std::vector<T> &buffer) {
buffer.resize(m_cacheSize);
if ( isEndOfCache( m_cachePos, m_cacheSize ) || 0 == m_filePos) {
if (!readNextBlock()) {
return false;
}
}
if (IsLineEnd(m_cache[m_cachePos])) {
// skip line end
while (m_cache[m_cachePos] != '\n') {
++m_cachePos;
}
++m_cachePos;
if ( isEndOfCache( m_cachePos, m_cacheSize ) ) {
if ( !readNextBlock() ) {
return false;
}
}
}
size_t i( 0 );
while (!IsLineEnd(m_cache[ m_cachePos ])) {
buffer[i] = m_cache[ m_cachePos ];
++m_cachePos;
++i;
if (m_cachePos >= m_cacheSize) {
if (!readNextBlock()) {
return false;
}
}
}
buffer[i] = '\n';
++m_cachePos;
return true;
}
template<class T>
inline
bool IOStreamBuffer<T>::getNextBlock( std::vector<T> &buffer) {
// Return the last block-value if getNextLine was used before
if ( 0 != m_cachePos ) {
buffer = std::vector<T>( m_cache.begin() + m_cachePos, m_cache.end() );
m_cachePos = 0;
} else {
if ( !readNextBlock() ) {
return false;
}
buffer = std::vector<T>(m_cache.begin(), m_cache.end());
}
return true;
}
} // !ns Assimp

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file IOSystem.hpp
* @brief File system wrapper for C++. Inherit this class to supply
* custom file handling logic to the Import library.
*/
#pragma once
#ifndef AI_IOSYSTEM_H_INC
#define AI_IOSYSTEM_H_INC
#ifndef __cplusplus
# error This header requires C++ to be used. aiFileIO.h is the \
corresponding C interface.
#endif
#include "types.h"
#ifdef _WIN32
# include <direct.h>
# include <stdlib.h>
# include <stdio.h>
#else
# include <sys/stat.h>
# include <sys/types.h>
# include <unistd.h>
#endif // _WIN32
#include <vector>
namespace Assimp {
class IOStream;
// ---------------------------------------------------------------------------
/** @brief CPP-API: Interface to the file system.
*
* Derive an own implementation from this interface to supply custom file handling
* to the importer library. If you implement this interface, you also want to
* supply a custom implementation for IOStream.
*
* @see Importer::SetIOHandler()
*/
class ASSIMP_API IOSystem
#ifndef SWIG
: public Intern::AllocateFromAssimpHeap
#endif
{
public:
// -------------------------------------------------------------------
/** @brief Default constructor.
*
* Create an instance of your derived class and assign it to an
* #Assimp::Importer instance by calling Importer::SetIOHandler().
*/
IOSystem() AI_NO_EXCEPT;
// -------------------------------------------------------------------
/** @brief Virtual destructor.
*
* It is safe to be called from within DLL Assimp, we're constructed
* on Assimp's heap.
*/
virtual ~IOSystem();
// -------------------------------------------------------------------
/** @brief For backward compatibility
* @see Exists(const char*)
*/
AI_FORCE_INLINE bool Exists( const std::string& pFile) const;
// -------------------------------------------------------------------
/** @brief Tests for the existence of a file at the given path.
*
* @param pFile Path to the file
* @return true if there is a file with this path, else false.
*/
virtual bool Exists( const char* pFile) const = 0;
// -------------------------------------------------------------------
/** @brief Returns the system specific directory separator
* @return System specific directory separator
*/
virtual char getOsSeparator() const = 0;
// -------------------------------------------------------------------
/** @brief Open a new file with a given path.
*
* When the access to the file is finished, call Close() to release
* all associated resources (or the virtual dtor of the IOStream).
*
* @param pFile Path to the file
* @param pMode Desired file I/O mode. Required are: "wb", "w", "wt",
* "rb", "r", "rt".
*
* @return New IOStream interface allowing the lib to access
* the underlying file.
* @note When implementing this class to provide custom IO handling,
* you probably have to supply an own implementation of IOStream as well.
*/
virtual IOStream* Open(const char* pFile,
const char* pMode = "rb") = 0;
// -------------------------------------------------------------------
/** @brief For backward compatibility
* @see Open(const char*, const char*)
*/
inline IOStream* Open(const std::string& pFile,
const std::string& pMode = std::string("rb"));
// -------------------------------------------------------------------
/** @brief Closes the given file and releases all resources
* associated with it.
* @param pFile The file instance previously created by Open().
*/
virtual void Close( IOStream* pFile) = 0;
// -------------------------------------------------------------------
/** @brief Compares two paths and check whether the point to
* identical files.
*
* The dummy implementation of this virtual member performs a
* case-insensitive comparison of the given strings. The default IO
* system implementation uses OS mechanisms to convert relative into
* absolute paths, so the result can be trusted.
* @param one First file
* @param second Second file
* @return true if the paths point to the same file. The file needn't
* be existing, however.
*/
virtual bool ComparePaths (const char* one,
const char* second) const;
// -------------------------------------------------------------------
/** @brief For backward compatibility
* @see ComparePaths(const char*, const char*)
*/
inline bool ComparePaths (const std::string& one,
const std::string& second) const;
// -------------------------------------------------------------------
/** @brief Pushes a new directory onto the directory stack.
* @param path Path to push onto the stack.
* @return True, when push was successful, false if path is empty.
*/
virtual bool PushDirectory( const std::string &path );
// -------------------------------------------------------------------
/** @brief Returns the top directory from the stack.
* @return The directory on the top of the stack.
* Returns empty when no directory was pushed to the stack.
*/
virtual const std::string &CurrentDirectory() const;
// -------------------------------------------------------------------
/** @brief Returns the number of directories stored on the stack.
* @return The number of directories of the stack.
*/
virtual size_t StackSize() const;
// -------------------------------------------------------------------
/** @brief Pops the top directory from the stack.
* @return True, when a directory was on the stack. False if no
* directory was on the stack.
*/
virtual bool PopDirectory();
// -------------------------------------------------------------------
/** @brief CReates an new directory at the given path.
* @param path [in] The path to create.
* @return True, when a directory was created. False if the directory
* cannot be created.
*/
virtual bool CreateDirectory( const std::string &path );
// -------------------------------------------------------------------
/** @brief Will change the current directory to the given path.
* @param path [in] The path to change to.
* @return True, when the directory has changed successfully.
*/
virtual bool ChangeDirectory( const std::string &path );
virtual bool DeleteFile( const std::string &file );
private:
std::vector<std::string> m_pathStack;
};
// ----------------------------------------------------------------------------
AI_FORCE_INLINE
IOSystem::IOSystem() AI_NO_EXCEPT
: m_pathStack() {
// empty
}
// ----------------------------------------------------------------------------
AI_FORCE_INLINE
IOSystem::~IOSystem() {
// empty
}
// ----------------------------------------------------------------------------
// For compatibility, the interface of some functions taking a std::string was
// changed to const char* to avoid crashes between binary incompatible STL
// versions. This code her is inlined, so it shouldn't cause any problems.
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
AI_FORCE_INLINE
IOStream* IOSystem::Open(const std::string& pFile, const std::string& pMode) {
// NOTE:
// For compatibility, interface was changed to const char* to
// avoid crashes between binary incompatible STL versions
return Open(pFile.c_str(),pMode.c_str());
}
// ----------------------------------------------------------------------------
AI_FORCE_INLINE
bool IOSystem::Exists( const std::string& pFile) const {
// NOTE:
// For compatibility, interface was changed to const char* to
// avoid crashes between binary incompatible STL versions
return Exists(pFile.c_str());
}
// ----------------------------------------------------------------------------
AI_FORCE_INLINE
bool IOSystem::ComparePaths (const std::string& one, const std::string& second) const {
// NOTE:
// For compatibility, interface was changed to const char* to
// avoid crashes between binary incompatible STL versions
return ComparePaths(one.c_str(),second.c_str());
}
// ----------------------------------------------------------------------------
AI_FORCE_INLINE
bool IOSystem::PushDirectory( const std::string &path ) {
if ( path.empty() ) {
return false;
}
m_pathStack.push_back( path );
return true;
}
// ----------------------------------------------------------------------------
AI_FORCE_INLINE
const std::string &IOSystem::CurrentDirectory() const {
if ( m_pathStack.empty() ) {
static const std::string Dummy("");
return Dummy;
}
return m_pathStack[ m_pathStack.size()-1 ];
}
// ----------------------------------------------------------------------------
AI_FORCE_INLINE
size_t IOSystem::StackSize() const {
return m_pathStack.size();
}
// ----------------------------------------------------------------------------
AI_FORCE_INLINE
bool IOSystem::PopDirectory() {
if ( m_pathStack.empty() ) {
return false;
}
m_pathStack.pop_back();
return true;
}
// ----------------------------------------------------------------------------
AI_FORCE_INLINE
bool IOSystem::CreateDirectory( const std::string &path ) {
if ( path.empty() ) {
return false;
}
#ifdef _WIN32
return 0 != ::_mkdir( path.c_str() );
#else
return 0 != ::mkdir( path.c_str(), 0777 );
#endif // _WIN32
}
// ----------------------------------------------------------------------------
AI_FORCE_INLINE
bool IOSystem::ChangeDirectory( const std::string &path ) {
if ( path.empty() ) {
return false;
}
#ifdef _WIN32
return 0 != ::_chdir( path.c_str() );
#else
return 0 != ::chdir( path.c_str() );
#endif // _WIN32
}
// ----------------------------------------------------------------------------
AI_FORCE_INLINE
bool IOSystem::DeleteFile( const std::string &file ) {
if ( file.empty() ) {
return false;
}
const int retCode( ::remove( file.c_str() ) );
return ( 0 == retCode );
}
} //!ns Assimp
#endif //AI_IOSYSTEM_H_INC

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file Importer.hpp
* @brief Defines the C++-API to the Open Asset Import Library.
*/
#pragma once
#ifndef AI_ASSIMP_HPP_INC
#define AI_ASSIMP_HPP_INC
#ifndef __cplusplus
# error This header requires C++ to be used. Use assimp.h for plain C.
#endif // __cplusplus
// Public ASSIMP data structures
#include <assimp/types.h>
namespace Assimp {
// =======================================================================
// Public interface to Assimp
class Importer;
class IOStream;
class IOSystem;
class ProgressHandler;
// =======================================================================
// Plugin development
//
// Include the following headers for the declarations:
// BaseImporter.h
// BaseProcess.h
class BaseImporter;
class BaseProcess;
class SharedPostProcessInfo;
class BatchLoader;
// =======================================================================
// Holy stuff, only for members of the high council of the Jedi.
class ImporterPimpl;
} //! namespace Assimp
#define AI_PROPERTY_WAS_NOT_EXISTING 0xffffffff
struct aiScene;
// importerdesc.h
struct aiImporterDesc;
/** @namespace Assimp Assimp's CPP-API and all internal APIs */
namespace Assimp {
// ----------------------------------------------------------------------------------
/** CPP-API: The Importer class forms an C++ interface to the functionality of the
* Open Asset Import Library.
*
* Create an object of this class and call ReadFile() to import a file.
* If the import succeeds, the function returns a pointer to the imported data.
* The data remains property of the object, it is intended to be accessed
* read-only. The imported data will be destroyed along with the Importer
* object. If the import fails, ReadFile() returns a NULL pointer. In this
* case you can retrieve a human-readable error description be calling
* GetErrorString(). You can call ReadFile() multiple times with a single Importer
* instance. Actually, constructing Importer objects involves quite many
* allocations and may take some time, so it's better to reuse them as often as
* possible.
*
* If you need the Importer to do custom file handling to access the files,
* implement IOSystem and IOStream and supply an instance of your custom
* IOSystem implementation by calling SetIOHandler() before calling ReadFile().
* If you do not assign a custion IO handler, a default handler using the
* standard C++ IO logic will be used.
*
* @note One Importer instance is not thread-safe. If you use multiple
* threads for loading, each thread should maintain its own Importer instance.
*/
class ASSIMP_API Importer {
public:
/**
* @brief The upper limit for hints.
*/
static const unsigned int MaxLenHint = 200;
public:
// -------------------------------------------------------------------
/** Constructor. Creates an empty importer object.
*
* Call ReadFile() to start the import process. The configuration
* property table is initially empty.
*/
Importer();
// -------------------------------------------------------------------
/** Copy constructor.
*
* This copies the configuration properties of another Importer.
* If this Importer owns a scene it won't be copied.
* Call ReadFile() to start the import process.
*/
Importer(const Importer& other)=delete;
// -------------------------------------------------------------------
/** Assignment operator has been deleted
*/
Importer &operator=(const Importer &) = delete;
// -------------------------------------------------------------------
/** Destructor. The object kept ownership of the imported data,
* which now will be destroyed along with the object.
*/
~Importer();
// -------------------------------------------------------------------
/** Registers a new loader.
*
* @param pImp Importer to be added. The Importer instance takes
* ownership of the pointer, so it will be automatically deleted
* with the Importer instance.
* @return AI_SUCCESS if the loader has been added. The registration
* fails if there is already a loader for a specific file extension.
*/
aiReturn RegisterLoader(BaseImporter* pImp);
// -------------------------------------------------------------------
/** Unregisters a loader.
*
* @param pImp Importer to be unregistered.
* @return AI_SUCCESS if the loader has been removed. The function
* fails if the loader is currently in use (this could happen
* if the #Importer instance is used by more than one thread) or
* if it has not yet been registered.
*/
aiReturn UnregisterLoader(BaseImporter* pImp);
// -------------------------------------------------------------------
/** Registers a new post-process step.
*
* At the moment, there's a small limitation: new post processing
* steps are added to end of the list, or in other words, executed
* last, after all built-in steps.
* @param pImp Post-process step to be added. The Importer instance
* takes ownership of the pointer, so it will be automatically
* deleted with the Importer instance.
* @return AI_SUCCESS if the step has been added correctly.
*/
aiReturn RegisterPPStep(BaseProcess* pImp);
// -------------------------------------------------------------------
/** Unregisters a post-process step.
*
* @param pImp Step to be unregistered.
* @return AI_SUCCESS if the step has been removed. The function
* fails if the step is currently in use (this could happen
* if the #Importer instance is used by more than one thread) or
* if it has not yet been registered.
*/
aiReturn UnregisterPPStep(BaseProcess* pImp);
// -------------------------------------------------------------------
/** Set an integer configuration property.
* @param szName Name of the property. All supported properties
* are defined in the aiConfig.g header (all constants share the
* prefix AI_CONFIG_XXX and are simple strings).
* @param iValue New value of the property
* @return true if the property was set before. The new value replaces
* the previous value in this case.
* @note Property of different types (float, int, string ..) are kept
* on different stacks, so calling SetPropertyInteger() for a
* floating-point property has no effect - the loader will call
* GetPropertyFloat() to read the property, but it won't be there.
*/
bool SetPropertyInteger(const char* szName, int iValue);
// -------------------------------------------------------------------
/** Set a boolean configuration property. Boolean properties
* are stored on the integer stack internally so it's possible
* to set them via #SetPropertyBool and query them with
* #GetPropertyBool and vice versa.
* @see SetPropertyInteger()
*/
bool SetPropertyBool(const char* szName, bool value) {
return SetPropertyInteger(szName,value);
}
// -------------------------------------------------------------------
/** Set a floating-point configuration property.
* @see SetPropertyInteger()
*/
bool SetPropertyFloat(const char* szName, ai_real fValue);
// -------------------------------------------------------------------
/** Set a string configuration property.
* @see SetPropertyInteger()
*/
bool SetPropertyString(const char* szName, const std::string& sValue);
// -------------------------------------------------------------------
/** Set a matrix configuration property.
* @see SetPropertyInteger()
*/
bool SetPropertyMatrix(const char* szName, const aiMatrix4x4& sValue);
// -------------------------------------------------------------------
/** Get a configuration property.
* @param szName Name of the property. All supported properties
* are defined in the aiConfig.g header (all constants share the
* prefix AI_CONFIG_XXX).
* @param iErrorReturn Value that is returned if the property
* is not found.
* @return Current value of the property
* @note Property of different types (float, int, string ..) are kept
* on different lists, so calling SetPropertyInteger() for a
* floating-point property has no effect - the loader will call
* GetPropertyFloat() to read the property, but it won't be there.
*/
int GetPropertyInteger(const char* szName,
int iErrorReturn = 0xffffffff) const;
// -------------------------------------------------------------------
/** Get a boolean configuration property. Boolean properties
* are stored on the integer stack internally so it's possible
* to set them via #SetPropertyBool and query them with
* #GetPropertyBool and vice versa.
* @see GetPropertyInteger()
*/
bool GetPropertyBool(const char* szName, bool bErrorReturn = false) const {
return GetPropertyInteger(szName,bErrorReturn)!=0;
}
// -------------------------------------------------------------------
/** Get a floating-point configuration property
* @see GetPropertyInteger()
*/
ai_real GetPropertyFloat(const char* szName,
ai_real fErrorReturn = 10e10) const;
// -------------------------------------------------------------------
/** Get a string configuration property
*
* The return value remains valid until the property is modified.
* @see GetPropertyInteger()
*/
const std::string GetPropertyString(const char* szName,
const std::string& sErrorReturn = "") const;
// -------------------------------------------------------------------
/** Get a matrix configuration property
*
* The return value remains valid until the property is modified.
* @see GetPropertyInteger()
*/
const aiMatrix4x4 GetPropertyMatrix(const char* szName,
const aiMatrix4x4& sErrorReturn = aiMatrix4x4()) const;
// -------------------------------------------------------------------
/** Supplies a custom IO handler to the importer to use to open and
* access files. If you need the importer to use custom IO logic to
* access the files, you need to provide a custom implementation of
* IOSystem and IOFile to the importer. Then create an instance of
* your custom IOSystem implementation and supply it by this function.
*
* The Importer takes ownership of the object and will destroy it
* afterwards. The previously assigned handler will be deleted.
* Pass NULL to take again ownership of your IOSystem and reset Assimp
* to use its default implementation.
*
* @param pIOHandler The IO handler to be used in all file accesses
* of the Importer.
*/
void SetIOHandler( IOSystem* pIOHandler);
// -------------------------------------------------------------------
/** Retrieves the IO handler that is currently set.
* You can use #IsDefaultIOHandler() to check whether the returned
* interface is the default IO handler provided by ASSIMP. The default
* handler is active as long the application doesn't supply its own
* custom IO handler via #SetIOHandler().
* @return A valid IOSystem interface, never NULL.
*/
IOSystem* GetIOHandler() const;
// -------------------------------------------------------------------
/** Checks whether a default IO handler is active
* A default handler is active as long the application doesn't
* supply its own custom IO handler via #SetIOHandler().
* @return true by default
*/
bool IsDefaultIOHandler() const;
// -------------------------------------------------------------------
/** Supplies a custom progress handler to the importer. This
* interface exposes an #Update() callback, which is called
* more or less periodically (please don't sue us if it
* isn't as periodically as you'd like it to have ...).
* This can be used to implement progress bars and loading
* timeouts.
* @param pHandler Progress callback interface. Pass NULL to
* disable progress reporting.
* @note Progress handlers can be used to abort the loading
* at almost any time.*/
void SetProgressHandler ( ProgressHandler* pHandler );
// -------------------------------------------------------------------
/** Retrieves the progress handler that is currently set.
* You can use #IsDefaultProgressHandler() to check whether the returned
* interface is the default handler provided by ASSIMP. The default
* handler is active as long the application doesn't supply its own
* custom handler via #SetProgressHandler().
* @return A valid ProgressHandler interface, never NULL.
*/
ProgressHandler* GetProgressHandler() const;
// -------------------------------------------------------------------
/** Checks whether a default progress handler is active
* A default handler is active as long the application doesn't
* supply its own custom progress handler via #SetProgressHandler().
* @return true by default
*/
bool IsDefaultProgressHandler() const;
// -------------------------------------------------------------------
/** @brief Check whether a given set of post-processing flags
* is supported.
*
* Some flags are mutually exclusive, others are probably
* not available because your excluded them from your
* Assimp builds. Calling this function is recommended if
* you're unsure.
*
* @param pFlags Bitwise combination of the aiPostProcess flags.
* @return true if this flag combination is fine.
*/
bool ValidateFlags(unsigned int pFlags) const;
// -------------------------------------------------------------------
/** Reads the given file and returns its contents if successful.
*
* If the call succeeds, the contents of the file are returned as a
* pointer to an aiScene object. The returned data is intended to be
* read-only, the importer object keeps ownership of the data and will
* destroy it upon destruction. If the import fails, NULL is returned.
* A human-readable error description can be retrieved by calling
* GetErrorString(). The previous scene will be deleted during this call.
* @param pFile Path and filename to the file to be imported.
* @param pFlags Optional post processing steps to be executed after
* a successful import. Provide a bitwise combination of the
* #aiPostProcessSteps flags. If you wish to inspect the imported
* scene first in order to fine-tune your post-processing setup,
* consider to use #ApplyPostProcessing().
* @return A pointer to the imported data, NULL if the import failed.
* The pointer to the scene remains in possession of the Importer
* instance. Use GetOrphanedScene() to take ownership of it.
*
* @note Assimp is able to determine the file format of a file
* automatically.
*/
const aiScene* ReadFile(
const char* pFile,
unsigned int pFlags);
// -------------------------------------------------------------------
/** Reads the given file from a memory buffer and returns its
* contents if successful.
*
* If the call succeeds, the contents of the file are returned as a
* pointer to an aiScene object. The returned data is intended to be
* read-only, the importer object keeps ownership of the data and will
* destroy it upon destruction. If the import fails, NULL is returned.
* A human-readable error description can be retrieved by calling
* GetErrorString(). The previous scene will be deleted during this call.
* Calling this method doesn't affect the active IOSystem.
* @param pBuffer Pointer to the file data
* @param pLength Length of pBuffer, in bytes
* @param pFlags Optional post processing steps to be executed after
* a successful import. Provide a bitwise combination of the
* #aiPostProcessSteps flags. If you wish to inspect the imported
* scene first in order to fine-tune your post-processing setup,
* consider to use #ApplyPostProcessing().
* @param pHint An additional hint to the library. If this is a non
* empty string, the library looks for a loader to support
* the file extension specified by pHint and passes the file to
* the first matching loader. If this loader is unable to completely
* the request, the library continues and tries to determine the
* file format on its own, a task that may or may not be successful.
* Check the return value, and you'll know ...
* @return A pointer to the imported data, NULL if the import failed.
* The pointer to the scene remains in possession of the Importer
* instance. Use GetOrphanedScene() to take ownership of it.
*
* @note This is a straightforward way to decode models from memory
* buffers, but it doesn't handle model formats that spread their
* data across multiple files or even directories. Examples include
* OBJ or MD3, which outsource parts of their material info into
* external scripts. If you need full functionality, provide
* a custom IOSystem to make Assimp find these files and use
* the regular ReadFile() API.
*/
const aiScene* ReadFileFromMemory(
const void* pBuffer,
size_t pLength,
unsigned int pFlags,
const char* pHint = "");
// -------------------------------------------------------------------
/** Apply post-processing to an already-imported scene.
*
* This is strictly equivalent to calling #ReadFile() with the same
* flags. However, you can use this separate function to inspect
* the imported scene first to fine-tune your post-processing setup.
* @param pFlags Provide a bitwise combination of the
* #aiPostProcessSteps flags.
* @return A pointer to the post-processed data. This is still the
* same as the pointer returned by #ReadFile(). However, if
* post-processing fails, the scene could now be NULL.
* That's quite a rare case, post processing steps are not really
* designed to 'fail'. To be exact, the #aiProcess_ValidateDS
* flag is currently the only post processing step which can actually
* cause the scene to be reset to NULL.
*
* @note The method does nothing if no scene is currently bound
* to the #Importer instance. */
const aiScene* ApplyPostProcessing(unsigned int pFlags);
const aiScene* ApplyCustomizedPostProcessing( BaseProcess *rootProcess, bool requestValidation );
// -------------------------------------------------------------------
/** @brief Reads the given file and returns its contents if successful.
*
* This function is provided for backward compatibility.
* See the const char* version for detailed docs.
* @see ReadFile(const char*, pFlags) */
const aiScene* ReadFile(
const std::string& pFile,
unsigned int pFlags);
// -------------------------------------------------------------------
/** Frees the current scene.
*
* The function does nothing if no scene has previously been
* read via ReadFile(). FreeScene() is called automatically by the
* destructor and ReadFile() itself. */
void FreeScene( );
// -------------------------------------------------------------------
/** Returns an error description of an error that occurred in ReadFile().
*
* Returns an empty string if no error occurred.
* @return A description of the last error, an empty string if no
* error occurred. The string is never NULL.
*
* @note The returned function remains valid until one of the
* following methods is called: #ReadFile(), #FreeScene(). */
const char* GetErrorString() const;
// -------------------------------------------------------------------
/** Returns the scene loaded by the last successful call to ReadFile()
*
* @return Current scene or NULL if there is currently no scene loaded */
const aiScene* GetScene() const;
// -------------------------------------------------------------------
/** Returns the scene loaded by the last successful call to ReadFile()
* and releases the scene from the ownership of the Importer
* instance. The application is now responsible for deleting the
* scene. Any further calls to GetScene() or GetOrphanedScene()
* will return NULL - until a new scene has been loaded via ReadFile().
*
* @return Current scene or NULL if there is currently no scene loaded
* @note Use this method with maximal caution, and only if you have to.
* By design, aiScene's are exclusively maintained, allocated and
* deallocated by Assimp and no one else. The reasoning behind this
* is the golden rule that deallocations should always be done
* by the module that did the original allocation because heaps
* are not necessarily shared. GetOrphanedScene() enforces you
* to delete the returned scene by yourself, but this will only
* be fine if and only if you're using the same heap as assimp.
* On Windows, it's typically fine provided everything is linked
* against the multithreaded-dll version of the runtime library.
* It will work as well for static linkage with Assimp.*/
aiScene* GetOrphanedScene();
// -------------------------------------------------------------------
/** Returns whether a given file extension is supported by ASSIMP.
*
* @param szExtension Extension to be checked.
* Must include a trailing dot '.'. Example: ".3ds", ".md3".
* Cases-insensitive.
* @return true if the extension is supported, false otherwise */
bool IsExtensionSupported(const char* szExtension) const;
// -------------------------------------------------------------------
/** @brief Returns whether a given file extension is supported by ASSIMP.
*
* This function is provided for backward compatibility.
* See the const char* version for detailed and up-to-date docs.
* @see IsExtensionSupported(const char*) */
inline bool IsExtensionSupported(const std::string& szExtension) const;
// -------------------------------------------------------------------
/** Get a full list of all file extensions supported by ASSIMP.
*
* If a file extension is contained in the list this does of course not
* mean that ASSIMP is able to load all files with this extension ---
* it simply means there is an importer loaded which claims to handle
* files with this file extension.
* @param szOut String to receive the extension list.
* Format of the list: "*.3ds;*.obj;*.dae". This is useful for
* use with the WinAPI call GetOpenFileName(Ex). */
void GetExtensionList(aiString& szOut) const;
// -------------------------------------------------------------------
/** @brief Get a full list of all file extensions supported by ASSIMP.
*
* This function is provided for backward compatibility.
* See the aiString version for detailed and up-to-date docs.
* @see GetExtensionList(aiString&)*/
inline void GetExtensionList(std::string& szOut) const;
// -------------------------------------------------------------------
/** Get the number of importers currently registered with Assimp. */
size_t GetImporterCount() const;
// -------------------------------------------------------------------
/** Get meta data for the importer corresponding to a specific index..
*
* For the declaration of #aiImporterDesc, include <assimp/importerdesc.h>.
* @param index Index to query, must be within [0,GetImporterCount())
* @return Importer meta data structure, NULL if the index does not
* exist or if the importer doesn't offer meta information (
* importers may do this at the cost of being hated by their peers).*/
const aiImporterDesc* GetImporterInfo(size_t index) const;
// -------------------------------------------------------------------
/** Find the importer corresponding to a specific index.
*
* @param index Index to query, must be within [0,GetImporterCount())
* @return Importer instance. NULL if the index does not
* exist. */
BaseImporter* GetImporter(size_t index) const;
// -------------------------------------------------------------------
/** Find the importer corresponding to a specific file extension.
*
* This is quite similar to #IsExtensionSupported except a
* BaseImporter instance is returned.
* @param szExtension Extension to check for. The following formats
* are recognized (BAH being the file extension): "BAH" (comparison
* is case-insensitive), ".bah", "*.bah" (wild card and dot
* characters at the beginning of the extension are skipped).
* @return NULL if no importer is found*/
BaseImporter* GetImporter (const char* szExtension) const;
// -------------------------------------------------------------------
/** Find the importer index corresponding to a specific file extension.
*
* @param szExtension Extension to check for. The following formats
* are recognized (BAH being the file extension): "BAH" (comparison
* is case-insensitive), ".bah", "*.bah" (wild card and dot
* characters at the beginning of the extension are skipped).
* @return (size_t)-1 if no importer is found */
size_t GetImporterIndex (const char* szExtension) const;
// -------------------------------------------------------------------
/** Returns the storage allocated by ASSIMP to hold the scene data
* in memory.
*
* This refers to the currently loaded file, see #ReadFile().
* @param in Data structure to be filled.
* @note The returned memory statistics refer to the actual
* size of the use data of the aiScene. Heap-related overhead
* is (naturally) not included.*/
void GetMemoryRequirements(aiMemoryInfo& in) const;
// -------------------------------------------------------------------
/** Enables "extra verbose" mode.
*
* 'Extra verbose' means the data structure is validated after *every*
* single post processing step to make sure everyone modifies the data
* structure in a well-defined manner. This is a debug feature and not
* intended for use in production environments. */
void SetExtraVerbose(bool bDo);
// -------------------------------------------------------------------
/** Private, do not use. */
ImporterPimpl* Pimpl() { return pimpl; }
const ImporterPimpl* Pimpl() const { return pimpl; }
protected:
// Just because we don't want you to know how we're hacking around.
ImporterPimpl* pimpl;
}; //! class Importer
// ----------------------------------------------------------------------------
// For compatibility, the interface of some functions taking a std::string was
// changed to const char* to avoid crashes between binary incompatible STL
// versions. This code her is inlined, so it shouldn't cause any problems.
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
AI_FORCE_INLINE const aiScene* Importer::ReadFile( const std::string& pFile,unsigned int pFlags){
return ReadFile(pFile.c_str(),pFlags);
}
// ----------------------------------------------------------------------------
AI_FORCE_INLINE void Importer::GetExtensionList(std::string& szOut) const {
aiString s;
GetExtensionList(s);
szOut = s.data;
}
// ----------------------------------------------------------------------------
AI_FORCE_INLINE bool Importer::IsExtensionSupported(const std::string& szExtension) const {
return IsExtensionSupported(szExtension.c_str());
}
} // !namespace Assimp
#endif // AI_ASSIMP_HPP_INC

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file LineSplitter.h
* @brief LineSplitter, a helper class to iterate through all lines
* of a file easily. Works with StreamReader.
*/
#pragma once
#ifndef INCLUDED_LINE_SPLITTER_H
#define INCLUDED_LINE_SPLITTER_H
#include <stdexcept>
#include "StreamReader.h"
#include "ParsingUtils.h"
namespace Assimp {
// ------------------------------------------------------------------------------------------------
/** Usage:
@code
for(LineSplitter splitter(stream);splitter;++splitter) {
if (*splitter == "hi!") {
...
}
else if (splitter->substr(0,5) == "hello") {
...
// access the third token in the line (tokens are space-separated)
if (strtol(splitter[2]) > 5) { .. }
}
std::cout << "Current line is: " << splitter.get_index() << std::endl;
}
@endcode
*/
// ------------------------------------------------------------------------------------------------
class LineSplitter {
public:
typedef size_t line_idx;
// -----------------------------------------
/** construct from existing stream reader
note: trim is *always* assumed true if skyp_empty_lines==true
*/
LineSplitter(StreamReaderLE& stream, bool skip_empty_lines = true, bool trim = true);
~LineSplitter();
// -----------------------------------------
/** pseudo-iterator increment */
LineSplitter& operator++();
// -----------------------------------------
LineSplitter& operator++(int);
// -----------------------------------------
/** get a pointer to the beginning of a particular token */
const char* operator[] (size_t idx) const;
// -----------------------------------------
/** extract the start positions of N tokens from the current line*/
template <size_t N>
void get_tokens(const char* (&tokens)[N]) const;
// -----------------------------------------
/** member access */
const std::string* operator -> () const;
std::string operator* () const;
// -----------------------------------------
/** boolean context */
operator bool() const;
// -----------------------------------------
/** line indices are zero-based, empty lines are included */
operator line_idx() const;
line_idx get_index() const;
// -----------------------------------------
/** access the underlying stream object */
StreamReaderLE& get_stream();
// -----------------------------------------
/** !strcmp((*this)->substr(0,strlen(check)),check) */
bool match_start(const char* check);
// -----------------------------------------
/** swallow the next call to ++, return the previous value. */
void swallow_next_increment();
LineSplitter( const LineSplitter & ) = delete;
LineSplitter(LineSplitter &&) = delete;
LineSplitter &operator = ( const LineSplitter & ) = delete;
private:
line_idx mIdx;
std::string mCur;
StreamReaderLE& mStream;
bool mSwallow, mSkip_empty_lines, mTrim;
};
inline
LineSplitter::LineSplitter(StreamReaderLE& stream, bool skip_empty_lines, bool trim )
: mIdx(0)
, mCur()
, mStream(stream)
, mSwallow()
, mSkip_empty_lines(skip_empty_lines)
, mTrim(trim) {
mCur.reserve(1024);
operator++();
mIdx = 0;
}
inline
LineSplitter::~LineSplitter() {
// empty
}
inline
LineSplitter& LineSplitter::operator++() {
if (mSwallow) {
mSwallow = false;
return *this;
}
if (!*this) {
throw std::logic_error("End of file, no more lines to be retrieved.");
}
char s;
mCur.clear();
while (mStream.GetRemainingSize() && (s = mStream.GetI1(), 1)) {
if (s == '\n' || s == '\r') {
if (mSkip_empty_lines) {
while (mStream.GetRemainingSize() && ((s = mStream.GetI1()) == ' ' || s == '\r' || s == '\n'));
if (mStream.GetRemainingSize()) {
mStream.IncPtr(-1);
}
} else {
// skip both potential line terminators but don't read past this line.
if (mStream.GetRemainingSize() && (s == '\r' && mStream.GetI1() != '\n')) {
mStream.IncPtr(-1);
}
if (mTrim) {
while (mStream.GetRemainingSize() && ((s = mStream.GetI1()) == ' ' || s == '\t'));
if (mStream.GetRemainingSize()) {
mStream.IncPtr(-1);
}
}
}
break;
}
mCur += s;
}
++mIdx;
return *this;
}
inline
LineSplitter &LineSplitter::operator++(int) {
return ++(*this);
}
inline
const char *LineSplitter::operator[] (size_t idx) const {
const char* s = operator->()->c_str();
SkipSpaces(&s);
for (size_t i = 0; i < idx; ++i) {
for (; !IsSpace(*s); ++s) {
if (IsLineEnd(*s)) {
throw std::range_error("Token index out of range, EOL reached");
}
}
SkipSpaces(&s);
}
return s;
}
template <size_t N>
inline
void LineSplitter::get_tokens(const char* (&tokens)[N]) const {
const char* s = operator->()->c_str();
SkipSpaces(&s);
for (size_t i = 0; i < N; ++i) {
if (IsLineEnd(*s)) {
throw std::range_error("Token count out of range, EOL reached");
}
tokens[i] = s;
for (; *s && !IsSpace(*s); ++s);
SkipSpaces(&s);
}
}
inline
const std::string* LineSplitter::operator -> () const {
return &mCur;
}
inline
std::string LineSplitter::operator* () const {
return mCur;
}
inline
LineSplitter::operator bool() const {
return mStream.GetRemainingSize() > 0;
}
inline
LineSplitter::operator line_idx() const {
return mIdx;
}
inline
LineSplitter::line_idx LineSplitter::get_index() const {
return mIdx;
}
inline
StreamReaderLE &LineSplitter::get_stream() {
return mStream;
}
inline
bool LineSplitter::match_start(const char* check) {
const size_t len = ::strlen(check);
return len <= mCur.length() && std::equal(check, check + len, mCur.begin());
}
inline
void LineSplitter::swallow_next_increment() {
mSwallow = true;
}
} // Namespace Assimp
#endif // INCLUDED_LINE_SPLITTER_H

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file LogAux.h
* @brief Common logging usage patterns for importer implementations
*/
#ifndef INCLUDED_AI_LOGAUX_H
#define INCLUDED_AI_LOGAUX_H
#include <assimp/TinyFormatter.h>
#include <assimp/Exceptional.h>
#include <assimp/DefaultLogger.hpp>
namespace Assimp {
template<class TDeriving>
class LogFunctions {
public:
// ------------------------------------------------------------------------------------------------
static void ThrowException(const std::string& msg)
{
throw DeadlyImportError(Prefix()+msg);
}
// ------------------------------------------------------------------------------------------------
static void LogWarn(const Formatter::format& message) {
if (!DefaultLogger::isNullLogger()) {
ASSIMP_LOG_WARN(Prefix()+(std::string)message);
}
}
// ------------------------------------------------------------------------------------------------
static void LogError(const Formatter::format& message) {
if (!DefaultLogger::isNullLogger()) {
ASSIMP_LOG_ERROR(Prefix()+(std::string)message);
}
}
// ------------------------------------------------------------------------------------------------
static void LogInfo(const Formatter::format& message) {
if (!DefaultLogger::isNullLogger()) {
ASSIMP_LOG_INFO(Prefix()+(std::string)message);
}
}
// ------------------------------------------------------------------------------------------------
static void LogDebug(const Formatter::format& message) {
if (!DefaultLogger::isNullLogger()) {
ASSIMP_LOG_DEBUG(Prefix()+(std::string)message);
}
}
// https://sourceforge.net/tracker/?func=detail&atid=1067632&aid=3358562&group_id=226462
#if !defined(__GNUC__) || !defined(__APPLE__) || __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
// ------------------------------------------------------------------------------------------------
static void LogWarn (const char* message) {
if (!DefaultLogger::isNullLogger()) {
LogWarn(Formatter::format(message));
}
}
// ------------------------------------------------------------------------------------------------
static void LogError (const char* message) {
if (!DefaultLogger::isNullLogger()) {
LogError(Formatter::format(message));
}
}
// ------------------------------------------------------------------------------------------------
static void LogInfo (const char* message) {
if (!DefaultLogger::isNullLogger()) {
LogInfo(Formatter::format(message));
}
}
// ------------------------------------------------------------------------------------------------
static void LogDebug (const char* message) {
if (!DefaultLogger::isNullLogger()) {
LogDebug(Formatter::format(message));
}
}
#endif
private:
static const char* Prefix();
};
} // ! Assimp
#endif

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file LogStream.hpp
* @brief Abstract base class 'LogStream', representing an output log stream.
*/
#ifndef INCLUDED_AI_LOGSTREAM_H
#define INCLUDED_AI_LOGSTREAM_H
#include "types.h"
namespace Assimp {
class IOSystem;
// ------------------------------------------------------------------------------------
/** @brief CPP-API: Abstract interface for log stream implementations.
*
* Several default implementations are provided, see #aiDefaultLogStream for more
* details. Writing your own implementation of LogStream is just necessary if these
* are not enough for your purpose. */
class ASSIMP_API LogStream
#ifndef SWIG
: public Intern::AllocateFromAssimpHeap
#endif
{
protected:
/** @brief Default constructor */
LogStream() AI_NO_EXCEPT;
public:
/** @brief Virtual destructor */
virtual ~LogStream();
// -------------------------------------------------------------------
/** @brief Overwrite this for your own output methods
*
* Log messages *may* consist of multiple lines and you shouldn't
* expect a consistent formatting. If you want custom formatting
* (e.g. generate HTML), supply a custom instance of Logger to
* #DefaultLogger:set(). Usually you can *expect* that a log message
* is exactly one line and terminated with a single \n character.
* @param message Message to be written */
virtual void write(const char* message) = 0;
// -------------------------------------------------------------------
/** @brief Creates a default log stream
* @param streams Type of the default stream
* @param name For aiDefaultLogStream_FILE: name of the output file
* @param io For aiDefaultLogStream_FILE: IOSystem to be used to open the output
* file. Pass NULL for the default implementation.
* @return New LogStream instance. */
static LogStream* createDefaultStream(aiDefaultLogStream stream,
const char* name = "AssimpLog.txt",
IOSystem* io = nullptr );
}; // !class LogStream
inline
LogStream::LogStream() AI_NO_EXCEPT {
// empty
}
inline
LogStream::~LogStream() {
// empty
}
// ------------------------------------------------------------------------------------
} // Namespace Assimp
#endif

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Logger.hpp
* @brief Abstract base class 'Logger', base of the logging system.
*/
#ifndef INCLUDED_AI_LOGGER_H
#define INCLUDED_AI_LOGGER_H
#include <assimp/types.h>
#include <assimp/TinyFormatter.h>
namespace Assimp {
class LogStream;
// Maximum length of a log message. Longer messages are rejected.
#define MAX_LOG_MESSAGE_LENGTH 1024u
// ----------------------------------------------------------------------------------
/** @brief CPP-API: Abstract interface for logger implementations.
* Assimp provides a default implementation and uses it for almost all
* logging stuff ('DefaultLogger'). This class defines just basic logging
* behavior and is not of interest for you. Instead, take a look at #DefaultLogger. */
class ASSIMP_API Logger
#ifndef SWIG
: public Intern::AllocateFromAssimpHeap
#endif
{
public:
// ----------------------------------------------------------------------
/** @enum LogSeverity
* @brief Log severity to describe the granularity of logging.
*/
enum LogSeverity {
NORMAL, //!< Normal granularity of logging
VERBOSE //!< Debug infos will be logged, too
};
// ----------------------------------------------------------------------
/** @enum ErrorSeverity
* @brief Description for severity of a log message.
*
* Every LogStream has a bitwise combination of these flags.
* A LogStream doesn't receive any messages of a specific type
* if it doesn't specify the corresponding ErrorSeverity flag.
*/
enum ErrorSeverity {
Debugging = 1, //!< Debug log message
Info = 2, //!< Info log message
Warn = 4, //!< Warn log message
Err = 8 //!< Error log message
};
public:
/** @brief Virtual destructor */
virtual ~Logger();
// ----------------------------------------------------------------------
/** @brief Writes a debug message
* @param message Debug message*/
void debug(const char* message);
void debug(const std::string &message);
// ----------------------------------------------------------------------
/** @brief Writes a info message
* @param message Info message*/
void info(const char* message);
void info(const std::string &message);
// ----------------------------------------------------------------------
/** @brief Writes a warning message
* @param message Warn message*/
void warn(const char* message);
void warn(const std::string &message);
// ----------------------------------------------------------------------
/** @brief Writes an error message
* @param message Error message*/
void error(const char* message);
void error(const std::string &message);
// ----------------------------------------------------------------------
/** @brief Set a new log severity.
* @param log_severity New severity for logging*/
void setLogSeverity(LogSeverity log_severity);
// ----------------------------------------------------------------------
/** @brief Get the current log severity*/
LogSeverity getLogSeverity() const;
// ----------------------------------------------------------------------
/** @brief Attach a new log-stream
*
* The logger takes ownership of the stream and is responsible
* for its destruction (which is done using ::delete when the logger
* itself is destroyed). Call detachStream to detach a stream and to
* gain ownership of it again.
* @param pStream Log-stream to attach
* @param severity Message filter, specified which types of log
* messages are dispatched to the stream. Provide a bitwise
* combination of the ErrorSeverity flags.
* @return true if the stream has been attached, false otherwise.*/
virtual bool attachStream(LogStream *pStream,
unsigned int severity = Debugging | Err | Warn | Info) = 0;
// ----------------------------------------------------------------------
/** @brief Detach a still attached stream from the logger (or
* modify the filter flags bits)
* @param pStream Log-stream instance for detaching
* @param severity Provide a bitwise combination of the ErrorSeverity
* flags. This value is &~ed with the current flags of the stream,
* if the result is 0 the stream is detached from the Logger and
* the caller retakes the possession of the stream.
* @return true if the stream has been detached, false otherwise.*/
virtual bool detatchStream(LogStream *pStream,
unsigned int severity = Debugging | Err | Warn | Info) = 0;
protected:
/**
* Default constructor
*/
Logger() AI_NO_EXCEPT;
/**
* Construction with a given log severity
*/
explicit Logger(LogSeverity severity);
// ----------------------------------------------------------------------
/**
* @brief Called as a request to write a specific debug message
* @param message Debug message. Never longer than
* MAX_LOG_MESSAGE_LENGTH characters (excluding the '0').
* @note The message string is only valid until the scope of
* the function is left.
*/
virtual void OnDebug(const char* message)= 0;
// ----------------------------------------------------------------------
/**
* @brief Called as a request to write a specific info message
* @param message Info message. Never longer than
* MAX_LOG_MESSAGE_LENGTH characters (ecxluding the '0').
* @note The message string is only valid until the scope of
* the function is left.
*/
virtual void OnInfo(const char* message) = 0;
// ----------------------------------------------------------------------
/**
* @brief Called as a request to write a specific warn message
* @param message Warn message. Never longer than
* MAX_LOG_MESSAGE_LENGTH characters (exluding the '0').
* @note The message string is only valid until the scope of
* the function is left.
*/
virtual void OnWarn(const char* essage) = 0;
// ----------------------------------------------------------------------
/**
* @brief Called as a request to write a specific error message
* @param message Error message. Never longer than
* MAX_LOG_MESSAGE_LENGTH characters (exluding the '0').
* @note The message string is only valid until the scope of
* the function is left.
*/
virtual void OnError(const char* message) = 0;
protected:
LogSeverity m_Severity;
};
// ----------------------------------------------------------------------------------
// Default constructor
inline
Logger::Logger() AI_NO_EXCEPT
: m_Severity(NORMAL) {
// empty
}
// ----------------------------------------------------------------------------------
// Virtual destructor
inline
Logger::~Logger() {
// empty
}
// ----------------------------------------------------------------------------------
// Construction with given logging severity
inline
Logger::Logger(LogSeverity severity)
: m_Severity(severity) {
// empty
}
// ----------------------------------------------------------------------------------
// Log severity setter
inline
void Logger::setLogSeverity(LogSeverity log_severity){
m_Severity = log_severity;
}
// ----------------------------------------------------------------------------------
// Log severity getter
inline
Logger::LogSeverity Logger::getLogSeverity() const {
return m_Severity;
}
// ----------------------------------------------------------------------------------
inline
void Logger::debug(const std::string &message) {
return debug(message.c_str());
}
// ----------------------------------------------------------------------------------
inline
void Logger::error(const std::string &message) {
return error(message.c_str());
}
// ----------------------------------------------------------------------------------
inline
void Logger::warn(const std::string &message) {
return warn(message.c_str());
}
// ----------------------------------------------------------------------------------
inline
void Logger::info(const std::string &message) {
return info(message.c_str());
}
// ------------------------------------------------------------------------------------------------
#define ASSIMP_LOG_WARN_F(string,...)\
DefaultLogger::get()->warn((Formatter::format(string),__VA_ARGS__))
#define ASSIMP_LOG_ERROR_F(string,...)\
DefaultLogger::get()->error((Formatter::format(string),__VA_ARGS__))
#define ASSIMP_LOG_DEBUG_F(string,...)\
DefaultLogger::get()->debug((Formatter::format(string),__VA_ARGS__))
#define ASSIMP_LOG_INFO_F(string,...)\
DefaultLogger::get()->info((Formatter::format(string),__VA_ARGS__))
#define ASSIMP_LOG_WARN(string)\
DefaultLogger::get()->warn(string)
#define ASSIMP_LOG_ERROR(string)\
DefaultLogger::get()->error(string)
#define ASSIMP_LOG_DEBUG(string)\
DefaultLogger::get()->debug(string)
#define ASSIMP_LOG_INFO(string)\
DefaultLogger::get()->info(string)
} // Namespace Assimp
#endif // !! INCLUDED_AI_LOGGER_H

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/* Helper macro to set a pointer to NULL in debug builds
*/
#if (defined ASSIMP_BUILD_DEBUG)
# define AI_DEBUG_INVALIDATE_PTR(x) x = NULL;
#else
# define AI_DEBUG_INVALIDATE_PTR(x)
#endif

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2016, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
#pragma once
/** @file MathFunctions.h
* @brief Implementation of math utility functions.
*
*/
#include <limits>
namespace Assimp {
namespace Math {
// TODO: use binary GCD for unsigned integers ....
template < typename IntegerType >
inline
IntegerType gcd( IntegerType a, IntegerType b ) {
const IntegerType zero = (IntegerType)0;
while ( true ) {
if ( a == zero )
return b;
b %= a;
if ( b == zero )
return a;
a %= b;
}
}
template < typename IntegerType >
inline
IntegerType lcm( IntegerType a, IntegerType b ) {
const IntegerType t = gcd (a,b);
if (!t)
return t;
return a / t * b;
}
template<class T>
inline
T getEpsilon() {
return std::numeric_limits<T>::epsilon();
}
}
}

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file MemoryIOWrapper.h
* Handy IOStream/IOSystem implemetation to read directly from a memory buffer */
#ifndef AI_MEMORYIOSTREAM_H_INC
#define AI_MEMORYIOSTREAM_H_INC
#include <assimp/IOStream.hpp>
#include <assimp/IOSystem.hpp>
#include <assimp/ai_assert.h>
#include <stdint.h>
namespace Assimp {
#define AI_MEMORYIO_MAGIC_FILENAME "$$$___magic___$$$"
#define AI_MEMORYIO_MAGIC_FILENAME_LENGTH 17
// ----------------------------------------------------------------------------------
/** Implementation of IOStream to read directly from a memory buffer */
// ----------------------------------------------------------------------------------
class MemoryIOStream : public IOStream {
public:
MemoryIOStream (const uint8_t* buff, size_t len, bool own = false)
: buffer (buff)
, length(len)
, pos((size_t)0)
, own(own) {
// empty
}
~MemoryIOStream () {
if(own) {
delete[] buffer;
}
}
// -------------------------------------------------------------------
// Read from stream
size_t Read(void* pvBuffer, size_t pSize, size_t pCount) {
ai_assert(nullptr != pvBuffer);
ai_assert(0 != pSize);
const size_t cnt = std::min( pCount, (length-pos) / pSize);
const size_t ofs = pSize * cnt;
::memcpy(pvBuffer,buffer+pos,ofs);
pos += ofs;
return cnt;
}
// -------------------------------------------------------------------
// Write to stream
size_t Write(const void* /*pvBuffer*/, size_t /*pSize*/,size_t /*pCount*/) {
ai_assert(false); // won't be needed
return 0;
}
// -------------------------------------------------------------------
// Seek specific position
aiReturn Seek(size_t pOffset, aiOrigin pOrigin) {
if (aiOrigin_SET == pOrigin) {
if (pOffset > length) {
return AI_FAILURE;
}
pos = pOffset;
} else if (aiOrigin_END == pOrigin) {
if (pOffset > length) {
return AI_FAILURE;
}
pos = length-pOffset;
} else {
if (pOffset+pos > length) {
return AI_FAILURE;
}
pos += pOffset;
}
return AI_SUCCESS;
}
// -------------------------------------------------------------------
// Get current seek position
size_t Tell() const {
return pos;
}
// -------------------------------------------------------------------
// Get size of file
size_t FileSize() const {
return length;
}
// -------------------------------------------------------------------
// Flush file contents
void Flush() {
ai_assert(false); // won't be needed
}
private:
const uint8_t* buffer;
size_t length,pos;
bool own;
};
// ---------------------------------------------------------------------------
/** Dummy IO system to read from a memory buffer */
class MemoryIOSystem : public IOSystem {
public:
/** Constructor. */
MemoryIOSystem(const uint8_t* buff, size_t len, IOSystem* io)
: buffer(buff)
, length(len)
, existing_io(io)
, created_streams() {
// empty
}
/** Destructor. */
~MemoryIOSystem() {
}
// -------------------------------------------------------------------
/** Tests for the existence of a file at the given path. */
bool Exists(const char* pFile) const override {
if (0 == strncmp( pFile, AI_MEMORYIO_MAGIC_FILENAME, AI_MEMORYIO_MAGIC_FILENAME_LENGTH ) ) {
return true;
}
return existing_io ? existing_io->Exists(pFile) : false;
}
// -------------------------------------------------------------------
/** Returns the directory separator. */
char getOsSeparator() const override {
return existing_io ? existing_io->getOsSeparator()
: '/'; // why not? it doesn't care
}
// -------------------------------------------------------------------
/** Open a new file with a given path. */
IOStream* Open(const char* pFile, const char* pMode = "rb") override {
if ( 0 == strncmp( pFile, AI_MEMORYIO_MAGIC_FILENAME, AI_MEMORYIO_MAGIC_FILENAME_LENGTH ) ) {
created_streams.emplace_back(new MemoryIOStream(buffer, length));
return created_streams.back();
}
return existing_io ? existing_io->Open(pFile, pMode) : NULL;
}
// -------------------------------------------------------------------
/** Closes the given file and releases all resources associated with it. */
void Close( IOStream* pFile) override {
auto it = std::find(created_streams.begin(), created_streams.end(), pFile);
if (it != created_streams.end()) {
delete pFile;
created_streams.erase(it);
} else if (existing_io) {
existing_io->Close(pFile);
}
}
// -------------------------------------------------------------------
/** Compare two paths */
bool ComparePaths(const char* one, const char* second) const override {
return existing_io ? existing_io->ComparePaths(one, second) : false;
}
bool PushDirectory( const std::string &path ) override {
return existing_io ? existing_io->PushDirectory(path) : false;
}
const std::string &CurrentDirectory() const override {
static std::string empty;
return existing_io ? existing_io->CurrentDirectory() : empty;
}
size_t StackSize() const override {
return existing_io ? existing_io->StackSize() : 0;
}
bool PopDirectory() override {
return existing_io ? existing_io->PopDirectory() : false;
}
bool CreateDirectory( const std::string &path ) override {
return existing_io ? existing_io->CreateDirectory(path) : false;
}
bool ChangeDirectory( const std::string &path ) override {
return existing_io ? existing_io->ChangeDirectory(path) : false;
}
bool DeleteFile( const std::string &file ) override {
return existing_io ? existing_io->DeleteFile(file) : false;
}
private:
const uint8_t* buffer;
size_t length;
IOSystem* existing_io;
std::vector<IOStream*> created_streams;
};
} // end namespace Assimp
#endif

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file NullLogger.hpp
* @brief Dummy logger
*/
#ifndef INCLUDED_AI_NULLLOGGER_H
#define INCLUDED_AI_NULLLOGGER_H
#include "Logger.hpp"
namespace Assimp {
// ---------------------------------------------------------------------------
/** @brief CPP-API: Empty logging implementation.
*
* Does nothing! Used by default if the application hasn't requested a
* custom logger via #DefaultLogger::set() or #DefaultLogger::create(); */
class ASSIMP_API NullLogger
: public Logger {
public:
/** @brief Logs a debug message */
void OnDebug(const char* message) {
(void)message; //this avoids compiler warnings
}
/** @brief Logs an info message */
void OnInfo(const char* message) {
(void)message; //this avoids compiler warnings
}
/** @brief Logs a warning message */
void OnWarn(const char* message) {
(void)message; //this avoids compiler warnings
}
/** @brief Logs an error message */
void OnError(const char* message) {
(void)message; //this avoids compiler warnings
}
/** @brief Detach a still attached stream from logger */
bool attachStream(LogStream *pStream, unsigned int severity) {
(void)pStream; (void)severity; //this avoids compiler warnings
return false;
}
/** @brief Detach a still attached stream from logger */
bool detatchStream(LogStream *pStream, unsigned int severity) {
(void)pStream; (void)severity; //this avoids compiler warnings
return false;
}
private:
};
}
#endif // !! AI_NULLLOGGER_H_INCLUDED

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file ParsingUtils.h
* @brief Defines helper functions for text parsing
*/
#ifndef AI_PARSING_UTILS_H_INC
#define AI_PARSING_UTILS_H_INC
#include "StringComparison.h"
#include "StringUtils.h"
#include <assimp/defs.h>
namespace Assimp {
// NOTE: the functions below are mostly intended as replacement for
// std::upper, std::lower, std::isupper, std::islower, std::isspace.
// we don't bother of locales. We don't want them. We want reliable
// (i.e. identical) results across all locales.
// The functions below accept any character type, but know only
// about ASCII. However, UTF-32 is the only safe ASCII superset to
// use since it doesn't have multi-byte sequences.
static const unsigned int BufferSize = 4096;
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
char_t ToLower( char_t in ) {
return (in >= (char_t)'A' && in <= (char_t)'Z') ? (char_t)(in+0x20) : in;
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
char_t ToUpper( char_t in) {
return (in >= (char_t)'a' && in <= (char_t)'z') ? (char_t)(in-0x20) : in;
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
bool IsUpper( char_t in) {
return (in >= (char_t)'A' && in <= (char_t)'Z');
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
bool IsLower( char_t in) {
return (in >= (char_t)'a' && in <= (char_t)'z');
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
bool IsSpace( char_t in) {
return (in == (char_t)' ' || in == (char_t)'\t');
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
bool IsLineEnd( char_t in) {
return (in==(char_t)'\r'||in==(char_t)'\n'||in==(char_t)'\0'||in==(char_t)'\f');
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
bool IsSpaceOrNewLine( char_t in) {
return IsSpace<char_t>(in) || IsLineEnd<char_t>(in);
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
bool SkipSpaces( const char_t* in, const char_t** out) {
while( *in == ( char_t )' ' || *in == ( char_t )'\t' ) {
++in;
}
*out = in;
return !IsLineEnd<char_t>(*in);
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
bool SkipSpaces( const char_t** inout) {
return SkipSpaces<char_t>(*inout,inout);
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
bool SkipLine( const char_t* in, const char_t** out) {
while( *in != ( char_t )'\r' && *in != ( char_t )'\n' && *in != ( char_t )'\0' ) {
++in;
}
// files are opened in binary mode. Ergo there are both NL and CR
while( *in == ( char_t )'\r' || *in == ( char_t )'\n' ) {
++in;
}
*out = in;
return *in != (char_t)'\0';
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
bool SkipLine( const char_t** inout) {
return SkipLine<char_t>(*inout,inout);
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
bool SkipSpacesAndLineEnd( const char_t* in, const char_t** out) {
while( *in == ( char_t )' ' || *in == ( char_t )'\t' || *in == ( char_t )'\r' || *in == ( char_t )'\n' ) {
++in;
}
*out = in;
return *in != '\0';
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
bool SkipSpacesAndLineEnd( const char_t** inout) {
return SkipSpacesAndLineEnd<char_t>(*inout,inout);
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
bool GetNextLine( const char_t*& buffer, char_t out[ BufferSize ] ) {
if( ( char_t )'\0' == *buffer ) {
return false;
}
char* _out = out;
char* const end = _out + BufferSize;
while( !IsLineEnd( *buffer ) && _out < end ) {
*_out++ = *buffer++;
}
*_out = (char_t)'\0';
while( IsLineEnd( *buffer ) && '\0' != *buffer ) {
++buffer;
}
return true;
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE bool IsNumeric( char_t in) {
return ( in >= '0' && in <= '9' ) || '-' == in || '+' == in;
}
// ---------------------------------------------------------------------------------
template <class char_t>
AI_FORCE_INLINE
bool TokenMatch(char_t*& in, const char* token, unsigned int len)
{
if (!::strncmp(token,in,len) && IsSpaceOrNewLine(in[len])) {
if (in[len] != '\0') {
in += len+1;
} else {
// If EOF after the token make sure we don't go past end of buffer
in += len;
}
return true;
}
return false;
}
// ---------------------------------------------------------------------------------
/** @brief Case-ignoring version of TokenMatch
* @param in Input
* @param token Token to check for
* @param len Number of characters to check
*/
AI_FORCE_INLINE
bool TokenMatchI(const char*& in, const char* token, unsigned int len) {
if (!ASSIMP_strincmp(token,in,len) && IsSpaceOrNewLine(in[len])) {
in += len+1;
return true;
}
return false;
}
// ---------------------------------------------------------------------------------
AI_FORCE_INLINE
void SkipToken(const char*& in) {
SkipSpaces(&in);
while ( !IsSpaceOrNewLine( *in ) ) {
++in;
}
}
// ---------------------------------------------------------------------------------
AI_FORCE_INLINE
std::string GetNextToken(const char*& in) {
SkipSpacesAndLineEnd(&in);
const char* cur = in;
while ( !IsSpaceOrNewLine( *in ) ) {
++in;
}
return std::string(cur,(size_t)(in-cur));
}
// ---------------------------------------------------------------------------------
} // ! namespace Assimp
#endif // ! AI_PARSING_UTILS_H_INC

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Profiler.h
* @brief Utility to measure the respective runtime of each import step
*/
#ifndef INCLUDED_PROFILER_H
#define INCLUDED_PROFILER_H
#include <chrono>
#include <assimp/DefaultLogger.hpp>
#include "TinyFormatter.h"
#include <map>
namespace Assimp {
namespace Profiling {
using namespace Formatter;
// ------------------------------------------------------------------------------------------------
/** Simple wrapper around boost::timer to simplify reporting. Timings are automatically
* dumped to the log file.
*/
class Profiler {
public:
Profiler() {
// empty
}
public:
/** Start a named timer */
void BeginRegion(const std::string& region) {
regions[region] = std::chrono::system_clock::now();
ASSIMP_LOG_DEBUG((format("START `"),region,"`"));
}
/** End a specific named timer and write its end time to the log */
void EndRegion(const std::string& region) {
RegionMap::const_iterator it = regions.find(region);
if (it == regions.end()) {
return;
}
std::chrono::duration<double> elapsedSeconds = std::chrono::system_clock::now() - regions[region];
ASSIMP_LOG_DEBUG((format("END `"),region,"`, dt= ", elapsedSeconds.count()," s"));
}
private:
typedef std::map<std::string,std::chrono::time_point<std::chrono::system_clock>> RegionMap;
RegionMap regions;
};
}
}
#endif

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file ProgressHandler.hpp
* @brief Abstract base class 'ProgressHandler'.
*/
#pragma once
#ifndef AI_PROGRESSHANDLER_H_INC
#define AI_PROGRESSHANDLER_H_INC
#include "types.h"
namespace Assimp {
// ------------------------------------------------------------------------------------
/** @brief CPP-API: Abstract interface for custom progress report receivers.
*
* Each #Importer instance maintains its own #ProgressHandler. The default
* implementation provided by Assimp doesn't do anything at all. */
class ASSIMP_API ProgressHandler
#ifndef SWIG
: public Intern::AllocateFromAssimpHeap
#endif
{
protected:
/// @brief Default constructor
ProgressHandler () AI_NO_EXCEPT {
// empty
}
public:
/// @brief Virtual destructor.
virtual ~ProgressHandler () {
}
// -------------------------------------------------------------------
/** @brief Progress callback.
* @param percentage An estimate of the current loading progress,
* in percent. Or -1.f if such an estimate is not available.
*
* There are restriction on what you may do from within your
* implementation of this method: no exceptions may be thrown and no
* non-const #Importer methods may be called. It is
* not generally possible to predict the number of callbacks
* fired during a single import.
*
* @return Return false to abort loading at the next possible
* occasion (loaders and Assimp are generally allowed to perform
* all needed cleanup tasks prior to returning control to the
* caller). If the loading is aborted, #Importer::ReadFile()
* returns always NULL.
* */
virtual bool Update(float percentage = -1.f) = 0;
// -------------------------------------------------------------------
/** @brief Progress callback for file loading steps
* @param numberOfSteps The number of total post-processing
* steps
* @param currentStep The index of the current post-processing
* step that will run, or equal to numberOfSteps if all of
* them has finished. This number is always strictly monotone
* increasing, although not necessarily linearly.
*
* @note This is currently only used at the start and the end
* of the file parsing.
* */
virtual void UpdateFileRead(int currentStep /*= 0*/, int numberOfSteps /*= 0*/) {
float f = numberOfSteps ? currentStep / (float)numberOfSteps : 1.0f;
Update( f * 0.5f );
}
// -------------------------------------------------------------------
/** @brief Progress callback for post-processing steps
* @param numberOfSteps The number of total post-processing
* steps
* @param currentStep The index of the current post-processing
* step that will run, or equal to numberOfSteps if all of
* them has finished. This number is always strictly monotone
* increasing, although not necessarily linearly.
* */
virtual void UpdatePostProcess(int currentStep /*= 0*/, int numberOfSteps /*= 0*/) {
float f = numberOfSteps ? currentStep / (float)numberOfSteps : 1.0f;
Update( f * 0.5f + 0.5f );
}
// -------------------------------------------------------------------
/** @brief Progress callback for export steps.
* @param numberOfSteps The number of total processing
* steps
* @param currentStep The index of the current post-processing
* step that will run, or equal to numberOfSteps if all of
* them has finished. This number is always strictly monotone
* increasing, although not necessarily linearly.
* */
virtual void UpdateFileWrite(int currentStep /*= 0*/, int numberOfSteps /*= 0*/) {
float f = numberOfSteps ? currentStep / (float)numberOfSteps : 1.0f;
Update(f * 0.5f);
}
}; // !class ProgressHandler
// ------------------------------------------------------------------------------------
} // Namespace Assimp
#endif // AI_PROGRESSHANDLER_H_INC

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Declares a helper class, "CommentRemover", which can be
* used to remove comments (single and multi line) from a text file.
*/
#ifndef AI_REMOVE_COMMENTS_H_INC
#define AI_REMOVE_COMMENTS_H_INC
#include <assimp/defs.h>
namespace Assimp {
// ---------------------------------------------------------------------------
/** \brief Helper class to remove single and multi line comments from a file
*
* Some mesh formats like MD5 have comments that are quite similar
* to those in C or C++ so this code has been moved to a separate
* module.
*/
class ASSIMP_API CommentRemover
{
// class cannot be instanced
CommentRemover() {}
public:
//! Remove single-line comments. The end of a line is
//! expected to be either NL or CR or NLCR.
//! \param szComment The start sequence of the comment, e.g. "//"
//! \param szBuffer Buffer to work with
//! \param chReplacement Character to be used as replacement
//! for commented lines. By default this is ' '
static void RemoveLineComments(const char* szComment,
char* szBuffer, char chReplacement = ' ');
//! Remove multi-line comments. The end of a line is
//! expected to be either NL or CR or NLCR. Multi-line comments
//! may not be nested (as in C).
//! \param szCommentStart The start sequence of the comment, e.g. "/*"
//! \param szCommentEnd The end sequence of the comment, e.g. "*/"
//! \param szBuffer Buffer to work with
//! \param chReplacement Character to be used as replacement
//! for commented lines. By default this is ' '
static void RemoveMultiLineComments(const char* szCommentStart,
const char* szCommentEnd,char* szBuffer,
char chReplacement = ' ');
};
} // ! Assimp
#endif // !! AI_REMOVE_COMMENTS_H_INC

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** Small helper classes to optimize finding vertices close to a given location
*/
#ifndef AI_D3DSSPATIALSORT_H_INC
#define AI_D3DSSPATIALSORT_H_INC
#include <assimp/types.h>
#include <vector>
#include <stdint.h>
namespace Assimp {
// ----------------------------------------------------------------------------------
/** Specialized version of SpatialSort to support smoothing groups
* This is used in by the 3DS, ASE and LWO loaders. 3DS and ASE share their
* normal computation code in SmoothingGroups.inl, the LWO loader has its own
* implementation to handle all details of its file format correctly.
*/
// ----------------------------------------------------------------------------------
class ASSIMP_API SGSpatialSort
{
public:
SGSpatialSort();
// -------------------------------------------------------------------
/** Construction from a given face array, handling smoothing groups
* properly
*/
explicit SGSpatialSort(const std::vector<aiVector3D>& vPositions);
// -------------------------------------------------------------------
/** Add a vertex to the spatial sort
* @param vPosition Vertex position to be added
* @param index Index of the vrtex
* @param smoothingGroup SmoothingGroup for this vertex
*/
void Add(const aiVector3D& vPosition, unsigned int index,
unsigned int smoothingGroup);
// -------------------------------------------------------------------
/** Prepare the spatial sorter for use. This step runs in O(logn)
*/
void Prepare();
/** Destructor */
~SGSpatialSort();
// -------------------------------------------------------------------
/** Returns an iterator for all positions close to the given position.
* @param pPosition The position to look for vertices.
* @param pSG Only included vertices with at least one shared smooth group
* @param pRadius Maximal distance from the position a vertex may have
* to be counted in.
* @param poResults The container to store the indices of the found
* positions. Will be emptied by the call so it may contain anything.
* @param exactMatch Specifies whether smoothing groups are bit masks
* (false) or integral values (true). In the latter case, a vertex
* cannot belong to more than one smoothing group.
* @return An iterator to iterate over all vertices in the given area.
*/
// -------------------------------------------------------------------
void FindPositions( const aiVector3D& pPosition, uint32_t pSG,
float pRadius, std::vector<unsigned int>& poResults,
bool exactMatch = false) const;
protected:
/** Normal of the sorting plane, normalized. The center is always at (0, 0, 0) */
aiVector3D mPlaneNormal;
// -------------------------------------------------------------------
/** An entry in a spatially sorted position array. Consists of a
* vertex index, its position and its pre-calculated distance from
* the reference plane */
// -------------------------------------------------------------------
struct Entry {
unsigned int mIndex; ///< The vertex referred by this entry
aiVector3D mPosition; ///< Position
uint32_t mSmoothGroups;
float mDistance; ///< Distance of this vertex to the sorting plane
Entry() AI_NO_EXCEPT
: mIndex(0)
, mPosition()
, mSmoothGroups(0)
, mDistance(0.0f) {
// empty
}
Entry( unsigned int pIndex, const aiVector3D& pPosition, float pDistance,uint32_t pSG)
: mIndex( pIndex)
, mPosition( pPosition)
, mSmoothGroups(pSG)
, mDistance( pDistance) {
// empty
}
bool operator < (const Entry& e) const {
return mDistance < e.mDistance;
}
};
// all positions, sorted by distance to the sorting plane
std::vector<Entry> mPositions;
};
} // end of namespace Assimp
#endif // AI_SPATIALSORT_H_INC

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Declares a helper class, "SceneCombiner" providing various
* utilities to merge scenes.
*/
#ifndef AI_SCENE_COMBINER_H_INC
#define AI_SCENE_COMBINER_H_INC
#include <assimp/ai_assert.h>
#include <assimp/types.h>
#include <assimp/Defines.h>
#include <stddef.h>
#include <set>
#include <list>
#include <stdint.h>
#include <vector>
struct aiScene;
struct aiNode;
struct aiMaterial;
struct aiTexture;
struct aiCamera;
struct aiLight;
struct aiMetadata;
struct aiBone;
struct aiMesh;
struct aiAnimMesh;
struct aiAnimation;
struct aiNodeAnim;
namespace Assimp {
// ---------------------------------------------------------------------------
/** \brief Helper data structure for SceneCombiner.
*
* Describes to which node a scene must be attached to.
*/
struct AttachmentInfo
{
AttachmentInfo()
: scene (NULL)
, attachToNode (NULL)
{}
AttachmentInfo(aiScene* _scene, aiNode* _attachToNode)
: scene (_scene)
, attachToNode (_attachToNode)
{}
aiScene* scene;
aiNode* attachToNode;
};
// ---------------------------------------------------------------------------
struct NodeAttachmentInfo
{
NodeAttachmentInfo()
: node (NULL)
, attachToNode (NULL)
, resolved (false)
, src_idx (SIZE_MAX)
{}
NodeAttachmentInfo(aiNode* _scene, aiNode* _attachToNode,size_t idx)
: node (_scene)
, attachToNode (_attachToNode)
, resolved (false)
, src_idx (idx)
{}
aiNode* node;
aiNode* attachToNode;
bool resolved;
size_t src_idx;
};
// ---------------------------------------------------------------------------
/** @def AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES
* Generate unique names for all named scene items
*/
#define AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES 0x1
/** @def AI_INT_MERGE_SCENE_GEN_UNIQUE_MATNAMES
* Generate unique names for materials, too.
* This is not absolutely required to pass the validation.
*/
#define AI_INT_MERGE_SCENE_GEN_UNIQUE_MATNAMES 0x2
/** @def AI_INT_MERGE_SCENE_DUPLICATES_DEEP_CPY
* Use deep copies of duplicate scenes
*/
#define AI_INT_MERGE_SCENE_DUPLICATES_DEEP_CPY 0x4
/** @def AI_INT_MERGE_SCENE_RESOLVE_CROSS_ATTACHMENTS
* If attachment nodes are not found in the given master scene,
* search the other imported scenes for them in an any order.
*/
#define AI_INT_MERGE_SCENE_RESOLVE_CROSS_ATTACHMENTS 0x8
/** @def AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES_IF_NECESSARY
* Can be combined with AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES.
* Unique names are generated, but only if this is absolutely
* required to avoid name conflicts.
*/
#define AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES_IF_NECESSARY 0x10
typedef std::pair<aiBone*,unsigned int> BoneSrcIndex;
// ---------------------------------------------------------------------------
/** @brief Helper data structure for SceneCombiner::MergeBones.
*/
struct BoneWithHash : public std::pair<uint32_t,aiString*> {
std::vector<BoneSrcIndex> pSrcBones;
};
// ---------------------------------------------------------------------------
/** @brief Utility for SceneCombiner
*/
struct SceneHelper
{
SceneHelper ()
: scene (NULL)
, idlen (0)
{
id[0] = 0;
}
explicit SceneHelper (aiScene* _scene)
: scene (_scene)
, idlen (0)
{
id[0] = 0;
}
AI_FORCE_INLINE aiScene* operator-> () const
{
return scene;
}
// scene we're working on
aiScene* scene;
// prefix to be added to all identifiers in the scene ...
char id [32];
// and its strlen()
unsigned int idlen;
// hash table to quickly check whether a name is contained in the scene
std::set<unsigned int> hashes;
};
// ---------------------------------------------------------------------------
/** \brief Static helper class providing various utilities to merge two
* scenes. It is intended as internal utility and NOT for use by
* applications.
*
* The class is currently being used by various postprocessing steps
* and loaders (ie. LWS).
*/
class ASSIMP_API SceneCombiner {
// class cannot be instanced
SceneCombiner() {
// empty
}
~SceneCombiner() {
// empty
}
public:
// -------------------------------------------------------------------
/** Merges two or more scenes.
*
* @param dest Receives a pointer to the destination scene. If the
* pointer doesn't point to NULL when the function is called, the
* existing scene is cleared and refilled.
* @param src Non-empty list of scenes to be merged. The function
* deletes the input scenes afterwards. There may be duplicate scenes.
* @param flags Combination of the AI_INT_MERGE_SCENE flags defined above
*/
static void MergeScenes(aiScene** dest,std::vector<aiScene*>& src,
unsigned int flags = 0);
// -------------------------------------------------------------------
/** Merges two or more scenes and attaches all scenes to a specific
* position in the node graph of the master scene.
*
* @param dest Receives a pointer to the destination scene. If the
* pointer doesn't point to NULL when the function is called, the
* existing scene is cleared and refilled.
* @param master Master scene. It will be deleted afterwards. All
* other scenes will be inserted in its node graph.
* @param src Non-empty list of scenes to be merged along with their
* corresponding attachment points in the master scene. The function
* deletes the input scenes afterwards. There may be duplicate scenes.
* @param flags Combination of the AI_INT_MERGE_SCENE flags defined above
*/
static void MergeScenes(aiScene** dest, aiScene* master,
std::vector<AttachmentInfo>& src,
unsigned int flags = 0);
// -------------------------------------------------------------------
/** Merges two or more meshes
*
* The meshes should have equal vertex formats. Only components
* that are provided by ALL meshes will be present in the output mesh.
* An exception is made for VColors - they are set to black. The
* meshes should have the same material indices, too. The output
* material index is always the material index of the first mesh.
*
* @param dest Destination mesh. Must be empty.
* @param flags Currently no parameters
* @param begin First mesh to be processed
* @param end Points to the mesh after the last mesh to be processed
*/
static void MergeMeshes(aiMesh** dest,unsigned int flags,
std::vector<aiMesh*>::const_iterator begin,
std::vector<aiMesh*>::const_iterator end);
// -------------------------------------------------------------------
/** Merges two or more bones
*
* @param out Mesh to receive the output bone list
* @param flags Currently no parameters
* @param begin First mesh to be processed
* @param end Points to the mesh after the last mesh to be processed
*/
static void MergeBones(aiMesh* out,std::vector<aiMesh*>::const_iterator it,
std::vector<aiMesh*>::const_iterator end);
// -------------------------------------------------------------------
/** Merges two or more materials
*
* The materials should be complementary as much as possible. In case
* of a property present in different materials, the first occurrence
* is used.
*
* @param dest Destination material. Must be empty.
* @param begin First material to be processed
* @param end Points to the material after the last material to be processed
*/
static void MergeMaterials(aiMaterial** dest,
std::vector<aiMaterial*>::const_iterator begin,
std::vector<aiMaterial*>::const_iterator end);
// -------------------------------------------------------------------
/** Builds a list of uniquely named bones in a mesh list
*
* @param asBones Receives the output list
* @param it First mesh to be processed
* @param end Last mesh to be processed
*/
static void BuildUniqueBoneList(std::list<BoneWithHash>& asBones,
std::vector<aiMesh*>::const_iterator it,
std::vector<aiMesh*>::const_iterator end);
// -------------------------------------------------------------------
/** Add a name prefix to all nodes in a scene.
*
* @param Current node. This function is called recursively.
* @param prefix Prefix to be added to all nodes
* @param len STring length
*/
static void AddNodePrefixes(aiNode* node, const char* prefix,
unsigned int len);
// -------------------------------------------------------------------
/** Add an offset to all mesh indices in a node graph
*
* @param Current node. This function is called recursively.
* @param offset Offset to be added to all mesh indices
*/
static void OffsetNodeMeshIndices (aiNode* node, unsigned int offset);
// -------------------------------------------------------------------
/** Attach a list of node graphs to well-defined nodes in a master
* graph. This is a helper for MergeScenes()
*
* @param master Master scene
* @param srcList List of source scenes along with their attachment
* points. If an attachment point is NULL (or does not exist in
* the master graph), a scene is attached to the root of the master
* graph (as an additional child node)
* @duplicates List of duplicates. If elem[n] == n the scene is not
* a duplicate. Otherwise elem[n] links scene n to its first occurrence.
*/
static void AttachToGraph ( aiScene* master,
std::vector<NodeAttachmentInfo>& srcList);
static void AttachToGraph (aiNode* attach,
std::vector<NodeAttachmentInfo>& srcList);
// -------------------------------------------------------------------
/** Get a deep copy of a scene
*
* @param dest Receives a pointer to the destination scene
* @param src Source scene - remains unmodified.
*/
static void CopyScene(aiScene** dest,const aiScene* source,bool allocate = true);
// -------------------------------------------------------------------
/** Get a flat copy of a scene
*
* Only the first hierarchy layer is copied. All pointer members of
* aiScene are shared by source and destination scene. If the
* pointer doesn't point to NULL when the function is called, the
* existing scene is cleared and refilled.
* @param dest Receives a pointer to the destination scene
* @param src Source scene - remains unmodified.
*/
static void CopySceneFlat(aiScene** dest,const aiScene* source);
// -------------------------------------------------------------------
/** Get a deep copy of a mesh
*
* @param dest Receives a pointer to the destination mesh
* @param src Source mesh - remains unmodified.
*/
static void Copy (aiMesh** dest, const aiMesh* src);
// similar to Copy():
static void Copy (aiAnimMesh** dest, const aiAnimMesh* src);
static void Copy (aiMaterial** dest, const aiMaterial* src);
static void Copy (aiTexture** dest, const aiTexture* src);
static void Copy (aiAnimation** dest, const aiAnimation* src);
static void Copy (aiCamera** dest, const aiCamera* src);
static void Copy (aiBone** dest, const aiBone* src);
static void Copy (aiLight** dest, const aiLight* src);
static void Copy (aiNodeAnim** dest, const aiNodeAnim* src);
static void Copy (aiMetadata** dest, const aiMetadata* src);
// recursive, of course
static void Copy (aiNode** dest, const aiNode* src);
private:
// -------------------------------------------------------------------
// Same as AddNodePrefixes, but with an additional check
static void AddNodePrefixesChecked(aiNode* node, const char* prefix,
unsigned int len,
std::vector<SceneHelper>& input,
unsigned int cur);
// -------------------------------------------------------------------
// Add node identifiers to a hashing set
static void AddNodeHashes(aiNode* node, std::set<unsigned int>& hashes);
// -------------------------------------------------------------------
// Search for duplicate names
static bool FindNameMatch(const aiString& name,
std::vector<SceneHelper>& input, unsigned int cur);
};
}
#endif // !! AI_SCENE_COMBINER_H_INC

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/** Helper class to construct a dummy mesh for file formats containing only motion data */
/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file SkeletonMeshBuilder.h
* Declares SkeletonMeshBuilder, a tiny utility to build dummy meshes
* for animation skeletons.
*/
#ifndef AI_SKELETONMESHBUILDER_H_INC
#define AI_SKELETONMESHBUILDER_H_INC
#include <vector>
#include <assimp/mesh.h>
struct aiMaterial;
struct aiScene;
struct aiNode;
namespace Assimp {
// ---------------------------------------------------------------------------
/**
* This little helper class constructs a dummy mesh for a given scene
* the resembles the node hierarchy. This is useful for file formats
* that don't carry any mesh data but only animation data.
*/
class ASSIMP_API SkeletonMeshBuilder
{
public:
// -------------------------------------------------------------------
/** The constructor processes the given scene and adds a mesh there.
*
* Does nothing if the scene already has mesh data.
* @param pScene The scene for which a skeleton mesh should be constructed.
* @param root The node to start with. NULL is the scene root
* @param bKnobsOnly Set this to true if you don't want the connectors
* between the knobs representing the nodes.
*/
SkeletonMeshBuilder( aiScene* pScene, aiNode* root = NULL,
bool bKnobsOnly = false);
protected:
// -------------------------------------------------------------------
/** Recursively builds a simple mesh representation for the given node
* and also creates a joint for the node that affects this part of
* the mesh.
* @param pNode The node to build geometry for.
*/
void CreateGeometry( const aiNode* pNode);
// -------------------------------------------------------------------
/** Creates the mesh from the internally accumulated stuff and returns it.
*/
aiMesh* CreateMesh();
// -------------------------------------------------------------------
/** Creates a dummy material and returns it. */
aiMaterial* CreateMaterial();
protected:
/** space to assemble the mesh data: points */
std::vector<aiVector3D> mVertices;
/** faces */
struct Face
{
unsigned int mIndices[3];
Face();
Face( unsigned int p0, unsigned int p1, unsigned int p2)
{ mIndices[0] = p0; mIndices[1] = p1; mIndices[2] = p2; }
};
std::vector<Face> mFaces;
/** bones */
std::vector<aiBone*> mBones;
bool mKnobsOnly;
};
} // end of namespace Assimp
#endif // AI_SKELETONMESHBUILDER_H_INC

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Defines the helper data structures for importing 3DS files.
http://www.jalix.org/ressources/graphics/3DS/_unofficials/3ds-unofficial.txt */
#ifndef AI_SMOOTHINGGROUPS_H_INC
#define AI_SMOOTHINGGROUPS_H_INC
#include <assimp/vector3.h>
#include <stdint.h>
#include <vector>
// ---------------------------------------------------------------------------
/** Helper structure representing a face with smoothing groups assigned */
struct FaceWithSmoothingGroup {
FaceWithSmoothingGroup() AI_NO_EXCEPT
: mIndices()
, iSmoothGroup(0) {
// in debug builds set all indices to a common magic value
#ifdef ASSIMP_BUILD_DEBUG
this->mIndices[0] = 0xffffffff;
this->mIndices[1] = 0xffffffff;
this->mIndices[2] = 0xffffffff;
#endif
}
//! Indices. .3ds is using uint16. However, after
//! an unique vertex set has been generated,
//! individual index values might exceed 2^16
uint32_t mIndices[3];
//! specifies to which smoothing group the face belongs to
uint32_t iSmoothGroup;
};
// ---------------------------------------------------------------------------
/** Helper structure representing a mesh whose faces have smoothing
groups assigned. This allows us to reuse the code for normal computations
from smoothings groups for several loaders (3DS, ASE). All of them
use face structures which inherit from #FaceWithSmoothingGroup,
but as they add extra members and need to be copied by value we
need to use a template here.
*/
template <class T>
struct MeshWithSmoothingGroups
{
//! Vertex positions
std::vector<aiVector3D> mPositions;
//! Face lists
std::vector<T> mFaces;
//! List of normal vectors
std::vector<aiVector3D> mNormals;
};
// ---------------------------------------------------------------------------
/** Computes normal vectors for the mesh
*/
template <class T>
void ComputeNormalsWithSmoothingsGroups(MeshWithSmoothingGroups<T>& sMesh);
// include implementations
#include "SmoothingGroups.inl"
#endif // !! AI_SMOOTHINGGROUPS_H_INC

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2012, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file Generation of normal vectors basing on smoothing groups */
#ifndef AI_SMOOTHINGGROUPS_INL_INCLUDED
#define AI_SMOOTHINGGROUPS_INL_INCLUDED
// internal headers
#include <assimp/SGSpatialSort.h>
// CRT header
#include <algorithm>
using namespace Assimp;
// ------------------------------------------------------------------------------------------------
template <class T>
void ComputeNormalsWithSmoothingsGroups(MeshWithSmoothingGroups<T>& sMesh)
{
// First generate face normals
sMesh.mNormals.resize(sMesh.mPositions.size(),aiVector3D());
for( unsigned int a = 0; a < sMesh.mFaces.size(); a++)
{
T& face = sMesh.mFaces[a];
aiVector3D* pV1 = &sMesh.mPositions[face.mIndices[0]];
aiVector3D* pV2 = &sMesh.mPositions[face.mIndices[1]];
aiVector3D* pV3 = &sMesh.mPositions[face.mIndices[2]];
aiVector3D pDelta1 = *pV2 - *pV1;
aiVector3D pDelta2 = *pV3 - *pV1;
aiVector3D vNor = pDelta1 ^ pDelta2;
for (unsigned int c = 0; c < 3;++c)
sMesh.mNormals[face.mIndices[c]] = vNor;
}
// calculate the position bounds so we have a reliable epsilon to check position differences against
aiVector3D minVec( 1e10f, 1e10f, 1e10f), maxVec( -1e10f, -1e10f, -1e10f);
for( unsigned int a = 0; a < sMesh.mPositions.size(); a++)
{
minVec.x = std::min( minVec.x, sMesh.mPositions[a].x);
minVec.y = std::min( minVec.y, sMesh.mPositions[a].y);
minVec.z = std::min( minVec.z, sMesh.mPositions[a].z);
maxVec.x = std::max( maxVec.x, sMesh.mPositions[a].x);
maxVec.y = std::max( maxVec.y, sMesh.mPositions[a].y);
maxVec.z = std::max( maxVec.z, sMesh.mPositions[a].z);
}
const float posEpsilon = (maxVec - minVec).Length() * 1e-5f;
std::vector<aiVector3D> avNormals;
avNormals.resize(sMesh.mNormals.size());
// now generate the spatial sort tree
SGSpatialSort sSort;
for( typename std::vector<T>::iterator i = sMesh.mFaces.begin();
i != sMesh.mFaces.end();++i)
{
for (unsigned int c = 0; c < 3;++c)
sSort.Add(sMesh.mPositions[(*i).mIndices[c]],(*i).mIndices[c],(*i).iSmoothGroup);
}
sSort.Prepare();
std::vector<bool> vertexDone(sMesh.mPositions.size(),false);
for( typename std::vector<T>::iterator i = sMesh.mFaces.begin();
i != sMesh.mFaces.end();++i)
{
std::vector<unsigned int> poResult;
for (unsigned int c = 0; c < 3;++c)
{
unsigned int idx = (*i).mIndices[c];
if (vertexDone[idx])continue;
sSort.FindPositions(sMesh.mPositions[idx],(*i).iSmoothGroup,
posEpsilon,poResult);
aiVector3D vNormals;
for (std::vector<unsigned int>::const_iterator
a = poResult.begin();
a != poResult.end();++a)
{
vNormals += sMesh.mNormals[(*a)];
}
vNormals.NormalizeSafe();
// write back into all affected normals
for (std::vector<unsigned int>::const_iterator
a = poResult.begin();
a != poResult.end();++a)
{
idx = *a;
avNormals [idx] = vNormals;
vertexDone[idx] = true;
}
}
}
sMesh.mNormals = avNormals;
}
#endif // !! AI_SMOOTHINGGROUPS_INL_INCLUDED

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** Small helper classes to optimise finding vertizes close to a given location */
#ifndef AI_SPATIALSORT_H_INC
#define AI_SPATIALSORT_H_INC
#include <vector>
#include <assimp/types.h>
namespace Assimp {
// ------------------------------------------------------------------------------------------------
/** A little helper class to quickly find all vertices in the epsilon environment of a given
* position. Construct an instance with an array of positions. The class stores the given positions
* by their indices and sorts them by their distance to an arbitrary chosen plane.
* You can then query the instance for all vertices close to a given position in an average O(log n)
* time, with O(n) worst case complexity when all vertices lay on the plane. The plane is chosen
* so that it avoids common planes in usual data sets. */
// ------------------------------------------------------------------------------------------------
class ASSIMP_API SpatialSort
{
public:
SpatialSort();
// ------------------------------------------------------------------------------------
/** Constructs a spatially sorted representation from the given position array.
* Supply the positions in its layout in memory, the class will only refer to them
* by index.
* @param pPositions Pointer to the first position vector of the array.
* @param pNumPositions Number of vectors to expect in that array.
* @param pElementOffset Offset in bytes from the beginning of one vector in memory
* to the beginning of the next vector. */
SpatialSort( const aiVector3D* pPositions, unsigned int pNumPositions,
unsigned int pElementOffset);
/** Destructor */
~SpatialSort();
public:
// ------------------------------------------------------------------------------------
/** Sets the input data for the SpatialSort. This replaces existing data, if any.
* The new data receives new indices in ascending order.
*
* @param pPositions Pointer to the first position vector of the array.
* @param pNumPositions Number of vectors to expect in that array.
* @param pElementOffset Offset in bytes from the beginning of one vector in memory
* to the beginning of the next vector.
* @param pFinalize Specifies whether the SpatialSort's internal representation
* is finalized after the new data has been added. Finalization is
* required in order to use #FindPosition() or #GenerateMappingTable().
* If you don't finalize yet, you can use #Append() to add data from
* other sources.*/
void Fill( const aiVector3D* pPositions, unsigned int pNumPositions,
unsigned int pElementOffset,
bool pFinalize = true);
// ------------------------------------------------------------------------------------
/** Same as #Fill(), except the method appends to existing data in the #SpatialSort. */
void Append( const aiVector3D* pPositions, unsigned int pNumPositions,
unsigned int pElementOffset,
bool pFinalize = true);
// ------------------------------------------------------------------------------------
/** Finalize the spatial hash data structure. This can be useful after
* multiple calls to #Append() with the pFinalize parameter set to false.
* This is finally required before one of #FindPositions() and #GenerateMappingTable()
* can be called to query the spatial sort.*/
void Finalize();
// ------------------------------------------------------------------------------------
/** Returns an iterator for all positions close to the given position.
* @param pPosition The position to look for vertices.
* @param pRadius Maximal distance from the position a vertex may have to be counted in.
* @param poResults The container to store the indices of the found positions.
* Will be emptied by the call so it may contain anything.
* @return An iterator to iterate over all vertices in the given area.*/
void FindPositions( const aiVector3D& pPosition, ai_real pRadius,
std::vector<unsigned int>& poResults) const;
// ------------------------------------------------------------------------------------
/** Fills an array with indices of all positions identical to the given position. In
* opposite to FindPositions(), not an epsilon is used but a (very low) tolerance of
* four floating-point units.
* @param pPosition The position to look for vertices.
* @param poResults The container to store the indices of the found positions.
* Will be emptied by the call so it may contain anything.*/
void FindIdenticalPositions( const aiVector3D& pPosition,
std::vector<unsigned int>& poResults) const;
// ------------------------------------------------------------------------------------
/** Compute a table that maps each vertex ID referring to a spatially close
* enough position to the same output ID. Output IDs are assigned in ascending order
* from 0...n.
* @param fill Will be filled with numPositions entries.
* @param pRadius Maximal distance from the position a vertex may have to
* be counted in.
* @return Number of unique vertices (n). */
unsigned int GenerateMappingTable(std::vector<unsigned int>& fill,
ai_real pRadius) const;
protected:
/** Normal of the sorting plane, normalized. The center is always at (0, 0, 0) */
aiVector3D mPlaneNormal;
/** An entry in a spatially sorted position array. Consists of a vertex index,
* its position and its pre-calculated distance from the reference plane */
struct Entry {
unsigned int mIndex; ///< The vertex referred by this entry
aiVector3D mPosition; ///< Position
ai_real mDistance; ///< Distance of this vertex to the sorting plane
Entry() AI_NO_EXCEPT
: mIndex( 999999999 ), mPosition(), mDistance( 99999. ) {
// empty
}
Entry( unsigned int pIndex, const aiVector3D& pPosition, ai_real pDistance)
: mIndex( pIndex), mPosition( pPosition), mDistance( pDistance) {
// empty
}
bool operator < (const Entry& e) const { return mDistance < e.mDistance; }
};
// all positions, sorted by distance to the sorting plane
std::vector<Entry> mPositions;
};
} // end of namespace Assimp
#endif // AI_SPATIALSORT_H_INC

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Declares a helper class, "StandardShapes" which generates
* vertices for standard shapes, such as cylnders, cones, spheres ..
*/
#ifndef AI_STANDARD_SHAPES_H_INC
#define AI_STANDARD_SHAPES_H_INC
#include <assimp/vector3.h>
#include <vector>
struct aiMesh;
namespace Assimp {
// ---------------------------------------------------------------------------
/** \brief Helper class to generate vertex buffers for standard geometric
* shapes, such as cylinders, cones, boxes, spheres, elipsoids ... .
*/
class ASSIMP_API StandardShapes
{
// class cannot be instanced
StandardShapes() {}
public:
// ----------------------------------------------------------------
/** Generates a mesh from an array of vertex positions.
*
* @param positions List of vertex positions
* @param numIndices Number of indices per primitive
* @return Output mesh
*/
static aiMesh* MakeMesh(const std::vector<aiVector3D>& positions,
unsigned int numIndices);
static aiMesh* MakeMesh ( unsigned int (*GenerateFunc)
(std::vector<aiVector3D>&));
static aiMesh* MakeMesh ( unsigned int (*GenerateFunc)
(std::vector<aiVector3D>&, bool));
static aiMesh* MakeMesh ( unsigned int n, void (*GenerateFunc)
(unsigned int,std::vector<aiVector3D>&));
// ----------------------------------------------------------------
/** @brief Generates a hexahedron (cube)
*
* Hexahedrons can be scaled on all axes.
* @param positions Receives output triangles.
* @param polygons If you pass true here quads will be returned
* @return Number of vertices per face
*/
static unsigned int MakeHexahedron(
std::vector<aiVector3D>& positions,
bool polygons = false);
// ----------------------------------------------------------------
/** @brief Generates an icosahedron
*
* @param positions Receives output triangles.
* @return Number of vertices per face
*/
static unsigned int MakeIcosahedron(
std::vector<aiVector3D>& positions);
// ----------------------------------------------------------------
/** @brief Generates a dodecahedron
*
* @param positions Receives output triangles
* @param polygons If you pass true here pentagons will be returned
* @return Number of vertices per face
*/
static unsigned int MakeDodecahedron(
std::vector<aiVector3D>& positions,
bool polygons = false);
// ----------------------------------------------------------------
/** @brief Generates an octahedron
*
* @param positions Receives output triangles.
* @return Number of vertices per face
*/
static unsigned int MakeOctahedron(
std::vector<aiVector3D>& positions);
// ----------------------------------------------------------------
/** @brief Generates a tetrahedron
*
* @param positions Receives output triangles.
* @return Number of vertices per face
*/
static unsigned int MakeTetrahedron(
std::vector<aiVector3D>& positions);
// ----------------------------------------------------------------
/** @brief Generates a sphere
*
* @param tess Number of subdivions - 0 generates a octahedron
* @param positions Receives output triangles.
*/
static void MakeSphere(unsigned int tess,
std::vector<aiVector3D>& positions);
// ----------------------------------------------------------------
/** @brief Generates a cone or a cylinder, either open or closed.
*
* @code
*
* |-----| <- radius 1
*
* __x__ <- ] ^
* / \ | height |
* / \ | Y
* / \ |
* / \ |
* /______x______\ <- ] <- end cap
*
* |-------------| <- radius 2
*
* @endcode
*
* @param height Height of the cone
* @param radius1 First radius
* @param radius2 Second radius
* @param tess Number of triangles.
* @param bOpened true for an open cone/cylinder. An open shape has
* no 'end caps'
* @param positions Receives output triangles
*/
static void MakeCone(ai_real height,ai_real radius1,
ai_real radius2,unsigned int tess,
std::vector<aiVector3D>& positions,bool bOpen= false);
// ----------------------------------------------------------------
/** @brief Generates a flat circle
*
* The circle is constructed in the planned formed by the x,z
* axes of the cartesian coordinate system.
*
* @param radius Radius of the circle
* @param tess Number of segments.
* @param positions Receives output triangles.
*/
static void MakeCircle(ai_real radius, unsigned int tess,
std::vector<aiVector3D>& positions);
};
} // ! Assimp
#endif // !! AI_STANDARD_SHAPES_H_INC

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file Defines the StreamReader class which reads data from
* a binary stream with a well-defined endianness.
*/
#ifndef AI_STREAMREADER_H_INCLUDED
#define AI_STREAMREADER_H_INCLUDED
#include <assimp/IOStream.hpp>
#include <assimp/Defines.h>
#include "ByteSwapper.h"
#include "Exceptional.h"
#include <memory>
namespace Assimp {
// --------------------------------------------------------------------------------------------
/** Wrapper class around IOStream to allow for consistent reading of binary data in both
* little and big endian format. Don't attempt to instance the template directly. Use
* StreamReaderLE to read from a little-endian stream and StreamReaderBE to read from a
* BE stream. The class expects that the endianness of any input data is known at
* compile-time, which should usually be true (#BaseImporter::ConvertToUTF8 implements
* runtime endianness conversions for text files).
*
* XXX switch from unsigned int for size types to size_t? or ptrdiff_t?*/
// --------------------------------------------------------------------------------------------
template <bool SwapEndianess = false, bool RuntimeSwitch = false>
class StreamReader {
public:
// FIXME: use these data types throughout the whole library,
// then change them to 64 bit values :-)
using diff = int;
using pos = unsigned int;
// ---------------------------------------------------------------------
/** Construction from a given stream with a well-defined endianness.
*
* The StreamReader holds a permanent strong reference to the
* stream, which is released upon destruction.
* @param stream Input stream. The stream is not restarted if
* its file pointer is not at 0. Instead, the stream reader
* reads from the current position to the end of the stream.
* @param le If @c RuntimeSwitch is true: specifies whether the
* stream is in little endian byte order. Otherwise the
* endianness information is contained in the @c SwapEndianess
* template parameter and this parameter is meaningless. */
StreamReader(std::shared_ptr<IOStream> stream, bool le = false)
: stream(stream)
, le(le)
{
ai_assert(stream);
InternBegin();
}
// ---------------------------------------------------------------------
StreamReader(IOStream* stream, bool le = false)
: stream(std::shared_ptr<IOStream>(stream))
, le(le)
{
ai_assert(stream);
InternBegin();
}
// ---------------------------------------------------------------------
~StreamReader() {
delete[] buffer;
}
// deprecated, use overloaded operator>> instead
// ---------------------------------------------------------------------
/** Read a float from the stream */
float GetF4()
{
return Get<float>();
}
// ---------------------------------------------------------------------
/** Read a double from the stream */
double GetF8() {
return Get<double>();
}
// ---------------------------------------------------------------------
/** Read a signed 16 bit integer from the stream */
int16_t GetI2() {
return Get<int16_t>();
}
// ---------------------------------------------------------------------
/** Read a signed 8 bit integer from the stream */
int8_t GetI1() {
return Get<int8_t>();
}
// ---------------------------------------------------------------------
/** Read an signed 32 bit integer from the stream */
int32_t GetI4() {
return Get<int32_t>();
}
// ---------------------------------------------------------------------
/** Read a signed 64 bit integer from the stream */
int64_t GetI8() {
return Get<int64_t>();
}
// ---------------------------------------------------------------------
/** Read a unsigned 16 bit integer from the stream */
uint16_t GetU2() {
return Get<uint16_t>();
}
// ---------------------------------------------------------------------
/** Read a unsigned 8 bit integer from the stream */
uint8_t GetU1() {
return Get<uint8_t>();
}
// ---------------------------------------------------------------------
/** Read an unsigned 32 bit integer from the stream */
uint32_t GetU4() {
return Get<uint32_t>();
}
// ---------------------------------------------------------------------
/** Read a unsigned 64 bit integer from the stream */
uint64_t GetU8() {
return Get<uint64_t>();
}
// ---------------------------------------------------------------------
/** Get the remaining stream size (to the end of the stream) */
unsigned int GetRemainingSize() const {
return (unsigned int)(end - current);
}
// ---------------------------------------------------------------------
/** Get the remaining stream size (to the current read limit). The
* return value is the remaining size of the stream if no custom
* read limit has been set. */
unsigned int GetRemainingSizeToLimit() const {
return (unsigned int)(limit - current);
}
// ---------------------------------------------------------------------
/** Increase the file pointer (relative seeking) */
void IncPtr(intptr_t plus) {
current += plus;
if (current > limit) {
throw DeadlyImportError("End of file or read limit was reached");
}
}
// ---------------------------------------------------------------------
/** Get the current file pointer */
int8_t* GetPtr() const {
return current;
}
// ---------------------------------------------------------------------
/** Set current file pointer (Get it from #GetPtr). This is if you
* prefer to do pointer arithmetics on your own or want to copy
* large chunks of data at once.
* @param p The new pointer, which is validated against the size
* limit and buffer boundaries. */
void SetPtr(int8_t* p) {
current = p;
if (current > limit || current < buffer) {
throw DeadlyImportError("End of file or read limit was reached");
}
}
// ---------------------------------------------------------------------
/** Copy n bytes to an external buffer
* @param out Destination for copying
* @param bytes Number of bytes to copy */
void CopyAndAdvance(void* out, size_t bytes) {
int8_t* ur = GetPtr();
SetPtr(ur+bytes); // fire exception if eof
::memcpy(out,ur,bytes);
}
// ---------------------------------------------------------------------
/** Get the current offset from the beginning of the file */
int GetCurrentPos() const {
return (unsigned int)(current - buffer);
}
void SetCurrentPos(size_t pos) {
SetPtr(buffer + pos);
}
// ---------------------------------------------------------------------
/** Setup a temporary read limit
*
* @param limit Maximum number of bytes to be read from
* the beginning of the file. Specifying UINT_MAX
* resets the limit to the original end of the stream.
* Returns the previously set limit. */
unsigned int SetReadLimit(unsigned int _limit) {
unsigned int prev = GetReadLimit();
if (UINT_MAX == _limit) {
limit = end;
return prev;
}
limit = buffer + _limit;
if (limit > end) {
throw DeadlyImportError("StreamReader: Invalid read limit");
}
return prev;
}
// ---------------------------------------------------------------------
/** Get the current read limit in bytes. Reading over this limit
* accidentally raises an exception. */
unsigned int GetReadLimit() const {
return (unsigned int)(limit - buffer);
}
// ---------------------------------------------------------------------
/** Skip to the read limit in bytes. Reading over this limit
* accidentally raises an exception. */
void SkipToReadLimit() {
current = limit;
}
// ---------------------------------------------------------------------
/** overload operator>> and allow chaining of >> ops. */
template <typename T>
StreamReader& operator >> (T& f) {
f = Get<T>();
return *this;
}
// ---------------------------------------------------------------------
/** Generic read method. ByteSwap::Swap(T*) *must* be defined */
template <typename T>
T Get() {
if ( current + sizeof(T) > limit) {
throw DeadlyImportError("End of file or stream limit was reached");
}
T f;
::memcpy (&f, current, sizeof(T));
Intern::Getter<SwapEndianess,T,RuntimeSwitch>() (&f,le);
current += sizeof(T);
return f;
}
private:
// ---------------------------------------------------------------------
void InternBegin() {
if (!stream) {
// in case someone wonders: StreamReader is frequently invoked with
// no prior validation whether the input stream is valid. Since
// no one bothers changing the error message, this message here
// is passed down to the caller and 'unable to open file'
// simply describes best what happened.
throw DeadlyImportError("StreamReader: Unable to open file");
}
const size_t s = stream->FileSize() - stream->Tell();
if (!s) {
throw DeadlyImportError("StreamReader: File is empty or EOF is already reached");
}
current = buffer = new int8_t[s];
const size_t read = stream->Read(current,1,s);
// (read < s) can only happen if the stream was opened in text mode, in which case FileSize() is not reliable
ai_assert(read <= s);
end = limit = &buffer[read-1] + 1;
}
private:
std::shared_ptr<IOStream> stream;
int8_t *buffer, *current, *end, *limit;
bool le;
};
// --------------------------------------------------------------------------------------------
// `static` StreamReaders. Their byte order is fixed and they might be a little bit faster.
#ifdef AI_BUILD_BIG_ENDIAN
typedef StreamReader<true> StreamReaderLE;
typedef StreamReader<false> StreamReaderBE;
#else
typedef StreamReader<true> StreamReaderBE;
typedef StreamReader<false> StreamReaderLE;
#endif
// `dynamic` StreamReader. The byte order of the input data is specified in the
// c'tor. This involves runtime branching and might be a little bit slower.
typedef StreamReader<true,true> StreamReaderAny;
} // end namespace Assimp
#endif // !! AI_STREAMREADER_H_INCLUDED

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file Defines the StreamWriter class which writes data to
* a binary stream with a well-defined endianness. */
#ifndef AI_STREAMWRITER_H_INCLUDED
#define AI_STREAMWRITER_H_INCLUDED
#include "ByteSwapper.h"
#include <assimp/IOStream.hpp>
#include <memory>
#include <vector>
namespace Assimp {
// --------------------------------------------------------------------------------------------
/** Wrapper class around IOStream to allow for consistent writing of binary data in both
* little and big endian format. Don't attempt to instance the template directly. Use
* StreamWriterLE to write to a little-endian stream and StreamWriterBE to write to a
* BE stream. Alternatively, there is StreamWriterAny if the endianness of the output
* stream is to be determined at runtime.
*/
// --------------------------------------------------------------------------------------------
template <bool SwapEndianess = false, bool RuntimeSwitch = false>
class StreamWriter
{
enum {
INITIAL_CAPACITY = 1024
};
public:
// ---------------------------------------------------------------------
/** Construction from a given stream with a well-defined endianness.
*
* The StreamReader holds a permanent strong reference to the
* stream, which is released upon destruction.
* @param stream Input stream. The stream is not re-seeked and writing
continues at the current position of the stream cursor.
* @param le If @c RuntimeSwitch is true: specifies whether the
* stream is in little endian byte order. Otherwise the
* endianness information is defined by the @c SwapEndianess
* template parameter and this parameter is meaningless. */
StreamWriter(std::shared_ptr<IOStream> stream, bool le = false)
: stream(stream)
, le(le)
, cursor()
{
ai_assert(stream);
buffer.reserve(INITIAL_CAPACITY);
}
// ---------------------------------------------------------------------
StreamWriter(IOStream* stream, bool le = false)
: stream(std::shared_ptr<IOStream>(stream))
, le(le)
, cursor()
{
ai_assert(stream);
buffer.reserve(INITIAL_CAPACITY);
}
// ---------------------------------------------------------------------
~StreamWriter() {
stream->Write(buffer.data(), 1, buffer.size());
stream->Flush();
}
public:
// ---------------------------------------------------------------------
/** Flush the contents of the internal buffer, and the output IOStream */
void Flush()
{
stream->Write(buffer.data(), 1, buffer.size());
stream->Flush();
buffer.clear();
cursor = 0;
}
// ---------------------------------------------------------------------
/** Seek to the given offset / origin in the output IOStream.
*
* Flushes the internal buffer and the output IOStream prior to seeking. */
aiReturn Seek(size_t pOffset, aiOrigin pOrigin=aiOrigin_SET)
{
Flush();
return stream->Seek(pOffset, pOrigin);
}
// ---------------------------------------------------------------------
/** Tell the current position in the output IOStream.
*
* First flushes the internal buffer and the output IOStream. */
size_t Tell()
{
Flush();
return stream->Tell();
}
public:
// ---------------------------------------------------------------------
/** Write a float to the stream */
void PutF4(float f)
{
Put(f);
}
// ---------------------------------------------------------------------
/** Write a double to the stream */
void PutF8(double d) {
Put(d);
}
// ---------------------------------------------------------------------
/** Write a signed 16 bit integer to the stream */
void PutI2(int16_t n) {
Put(n);
}
// ---------------------------------------------------------------------
/** Write a signed 8 bit integer to the stream */
void PutI1(int8_t n) {
Put(n);
}
// ---------------------------------------------------------------------
/** Write an signed 32 bit integer to the stream */
void PutI4(int32_t n) {
Put(n);
}
// ---------------------------------------------------------------------
/** Write a signed 64 bit integer to the stream */
void PutI8(int64_t n) {
Put(n);
}
// ---------------------------------------------------------------------
/** Write a unsigned 16 bit integer to the stream */
void PutU2(uint16_t n) {
Put(n);
}
// ---------------------------------------------------------------------
/** Write a unsigned 8 bit integer to the stream */
void PutU1(uint8_t n) {
Put(n);
}
// ---------------------------------------------------------------------
/** Write an unsigned 32 bit integer to the stream */
void PutU4(uint32_t n) {
Put(n);
}
// ---------------------------------------------------------------------
/** Write a unsigned 64 bit integer to the stream */
void PutU8(uint64_t n) {
Put(n);
}
// ---------------------------------------------------------------------
/** Write a single character to the stream */
void PutChar(char c) {
Put(c);
}
// ---------------------------------------------------------------------
/** Write an aiString to the stream */
void PutString(const aiString& s)
{
// as Put(T f) below
if (cursor + s.length >= buffer.size()) {
buffer.resize(cursor + s.length);
}
void* dest = &buffer[cursor];
::memcpy(dest, s.C_Str(), s.length);
cursor += s.length;
}
// ---------------------------------------------------------------------
/** Write a std::string to the stream */
void PutString(const std::string& s)
{
// as Put(T f) below
if (cursor + s.size() >= buffer.size()) {
buffer.resize(cursor + s.size());
}
void* dest = &buffer[cursor];
::memcpy(dest, s.c_str(), s.size());
cursor += s.size();
}
public:
// ---------------------------------------------------------------------
/** overload operator<< and allow chaining of MM ops. */
template <typename T>
StreamWriter& operator << (T f) {
Put(f);
return *this;
}
// ---------------------------------------------------------------------
std::size_t GetCurrentPos() const {
return cursor;
}
// ---------------------------------------------------------------------
void SetCurrentPos(std::size_t new_cursor) {
cursor = new_cursor;
}
// ---------------------------------------------------------------------
/** Generic write method. ByteSwap::Swap(T*) *must* be defined */
template <typename T>
void Put(T f) {
Intern :: Getter<SwapEndianess,T,RuntimeSwitch>() (&f, le);
if (cursor + sizeof(T) >= buffer.size()) {
buffer.resize(cursor + sizeof(T));
}
void* dest = &buffer[cursor];
// reinterpret_cast + assignment breaks strict aliasing rules
// and generally causes trouble on platforms such as ARM that
// do not silently ignore alignment faults.
::memcpy(dest, &f, sizeof(T));
cursor += sizeof(T);
}
private:
std::shared_ptr<IOStream> stream;
bool le;
std::vector<uint8_t> buffer;
std::size_t cursor;
};
// --------------------------------------------------------------------------------------------
// `static` StreamWriter. Their byte order is fixed and they might be a little bit faster.
#ifdef AI_BUILD_BIG_ENDIAN
typedef StreamWriter<true> StreamWriterLE;
typedef StreamWriter<false> StreamWriterBE;
#else
typedef StreamWriter<true> StreamWriterBE;
typedef StreamWriter<false> StreamWriterLE;
#endif
// `dynamic` StreamWriter. The byte order of the input data is specified in the
// c'tor. This involves runtime branching and might be a little bit slower.
typedef StreamWriter<true,true> StreamWriterAny;
} // end namespace Assimp
#endif // !! AI_STREAMWriter_H_INCLUDED

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Definition of platform independent string workers:
ASSIMP_itoa10
ASSIMP_stricmp
ASSIMP_strincmp
These functions are not consistently available on all platforms,
or the provided implementations behave too differently.
*/
#ifndef INCLUDED_AI_STRING_WORKERS_H
#define INCLUDED_AI_STRING_WORKERS_H
#include <assimp/ai_assert.h>
#include <assimp/defs.h>
#include "StringComparison.h"
#include <string.h>
#include <stdint.h>
#include <string>
namespace Assimp {
// -------------------------------------------------------------------------------
/** @brief itoa with a fixed base 10
* 'itoa' is not consistently available on all platforms so it is quite useful
* to have a small replacement function here. No need to use a full sprintf()
* if we just want to print a number ...
* @param out Output buffer
* @param max Maximum number of characters to be written, including '\0'.
* This parameter may not be 0.
* @param number Number to be written
* @return Length of the output string, excluding the '\0'
*/
AI_FORCE_INLINE
unsigned int ASSIMP_itoa10( char* out, unsigned int max, int32_t number) {
ai_assert(NULL != out);
// write the unary minus to indicate we have a negative number
unsigned int written = 1u;
if (number < 0 && written < max) {
*out++ = '-';
++written;
number = -number;
}
// We begin with the largest number that is not zero.
int32_t cur = 1000000000; // 2147483648
bool mustPrint = false;
while (written < max) {
const unsigned int digit = number / cur;
if (mustPrint || digit > 0 || 1 == cur) {
// print all future zeroe's from now
mustPrint = true;
*out++ = '0'+static_cast<char>(digit);
++written;
number -= digit*cur;
if (1 == cur) {
break;
}
}
cur /= 10;
}
// append a terminal zero
*out++ = '\0';
return written-1;
}
// -------------------------------------------------------------------------------
/** @brief itoa with a fixed base 10 (Secure template overload)
* The compiler should choose this function if he or she is able to determine the
* size of the array automatically.
*/
template <size_t length>
AI_FORCE_INLINE
unsigned int ASSIMP_itoa10( char(& out)[length], int32_t number) {
return ASSIMP_itoa10(out,length,number);
}
// -------------------------------------------------------------------------------
/** @brief Helper function to do platform independent string comparison.
*
* This is required since stricmp() is not consistently available on
* all platforms. Some platforms use the '_' prefix, others don't even
* have such a function.
*
* @param s1 First input string
* @param s2 Second input string
* @return 0 if the given strings are identical
*/
AI_FORCE_INLINE
int ASSIMP_stricmp(const char *s1, const char *s2) {
ai_assert( NULL != s1 );
ai_assert( NULL != s2 );
#if (defined _MSC_VER)
return ::_stricmp(s1,s2);
#elif defined( __GNUC__ )
return ::strcasecmp(s1,s2);
#else
char c1, c2;
do {
c1 = tolower(*s1++);
c2 = tolower(*s2++);
}
while ( c1 && (c1 == c2) );
return c1 - c2;
#endif
}
// -------------------------------------------------------------------------------
/** @brief Case independent comparison of two std::strings
*
* @param a First string
* @param b Second string
* @return 0 if a == b
*/
AI_FORCE_INLINE
int ASSIMP_stricmp(const std::string& a, const std::string& b) {
int i = (int)b.length()-(int)a.length();
return (i ? i : ASSIMP_stricmp(a.c_str(),b.c_str()));
}
// -------------------------------------------------------------------------------
/** @brief Helper function to do platform independent string comparison.
*
* This is required since strincmp() is not consistently available on
* all platforms. Some platforms use the '_' prefix, others don't even
* have such a function.
*
* @param s1 First input string
* @param s2 Second input string
* @param n Macimum number of characters to compare
* @return 0 if the given strings are identical
*/
AI_FORCE_INLINE
int ASSIMP_strincmp(const char *s1, const char *s2, unsigned int n) {
ai_assert( NULL != s1 );
ai_assert( NULL != s2 );
if ( !n ) {
return 0;
}
#if (defined _MSC_VER)
return ::_strnicmp(s1,s2,n);
#elif defined( __GNUC__ )
return ::strncasecmp(s1,s2, n);
#else
char c1, c2;
unsigned int p = 0;
do
{
if (p++ >= n)return 0;
c1 = tolower(*s1++);
c2 = tolower(*s2++);
}
while ( c1 && (c1 == c2) );
return c1 - c2;
#endif
}
// -------------------------------------------------------------------------------
/** @brief Evaluates an integer power
*
* todo: move somewhere where it fits better in than here
*/
AI_FORCE_INLINE
unsigned int integer_pow( unsigned int base, unsigned int power ) {
unsigned int res = 1;
for ( unsigned int i = 0; i < power; ++i ) {
res *= base;
}
return res;
}
} // end of namespace
#endif // ! AI_STRINGCOMPARISON_H_INC

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
#ifndef INCLUDED_AI_STRINGUTILS_H
#define INCLUDED_AI_STRINGUTILS_H
#include <assimp/defs.h>
#include <sstream>
#include <stdarg.h>
#include <cstdlib>
/// @fn ai_snprintf
/// @brief The portable version of the function snprintf ( C99 standard ), which works on visual studio compilers 2013 and earlier.
/// @param outBuf The buffer to write in
/// @param size The buffer size
/// @param format The format string
/// @param ap The additional arguments.
/// @return The number of written characters if the buffer size was big enough. If an encoding error occurs, a negative number is returned.
#if defined(_MSC_VER) && _MSC_VER < 1900
AI_FORCE_INLINE
int c99_ai_vsnprintf(char *outBuf, size_t size, const char *format, va_list ap) {
int count(-1);
if (0 != size) {
count = _vsnprintf_s(outBuf, size, _TRUNCATE, format, ap);
}
if (count == -1) {
count = _vscprintf(format, ap);
}
return count;
}
AI_FORCE_INLINE
int ai_snprintf(char *outBuf, size_t size, const char *format, ...) {
int count;
va_list ap;
va_start(ap, format);
count = c99_ai_vsnprintf(outBuf, size, format, ap);
va_end(ap);
return count;
}
#else
# define ai_snprintf snprintf
#endif
/// @fn to_string
/// @brief The portable version of to_string ( some gcc-versions on embedded devices are not supporting this).
/// @param value The value to write into the std::string.
/// @return The value as a std::string
template <typename T>
AI_FORCE_INLINE
std::string to_string( T value ) {
std::ostringstream os;
os << value;
return os.str();
}
/// @fn ai_strtof
/// @brief The portable version of strtof.
/// @param begin The first character of the string.
/// @param end The last character
/// @return The float value, 0.0f in cas of an error.
AI_FORCE_INLINE
float ai_strtof( const char *begin, const char *end ) {
if ( nullptr == begin ) {
return 0.0f;
}
float val( 0.0f );
if ( nullptr == end ) {
val = static_cast< float >( ::atof( begin ) );
} else {
std::string::size_type len( end - begin );
std::string token( begin, len );
val = static_cast< float >( ::atof( token.c_str() ) );
}
return val;
}
/// @fn DecimalToHexa
/// @brief The portable to convert a decimal value into a hexadecimal string.
/// @param toConvert Value to convert
/// @return The hexadecimal string, is empty in case of an error.
template<class T>
AI_FORCE_INLINE
std::string DecimalToHexa( T toConvert ) {
std::string result;
std::stringstream ss;
ss << std::hex << toConvert;
ss >> result;
for ( size_t i = 0; i < result.size(); ++i ) {
result[ i ] = toupper( result[ i ] );
}
return result;
}
#endif // INCLUDED_AI_STRINGUTILS_H

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Defines a helper class to evaluate subdivision surfaces.*/
#pragma once
#ifndef AI_SUBDISIVION_H_INC
#define AI_SUBDISIVION_H_INC
#include <cstddef>
#include <assimp/types.h>
struct aiMesh;
namespace Assimp {
// ------------------------------------------------------------------------------
/** Helper class to evaluate subdivision surfaces. Different algorithms
* are provided for choice. */
// ------------------------------------------------------------------------------
class ASSIMP_API Subdivider {
public:
/** Enumerates all supported subvidision algorithms */
enum Algorithm {
CATMULL_CLARKE = 0x1
};
virtual ~Subdivider();
// ---------------------------------------------------------------
/** Create a subdivider of a specific type
*
* @param algo Algorithm to be used for subdivision
* @return Subdivider instance. */
static Subdivider* Create (Algorithm algo);
// ---------------------------------------------------------------
/** Subdivide a mesh using the selected algorithm
*
* @param mesh First mesh to be subdivided. Must be in verbose
* format.
* @param out Receives the output mesh, allocated by me.
* @param num Number of subdivisions to perform.
* @param discard_input If true is passed, the input mesh is
* deleted after the subdivision is complete. This can
* improve performance because it allows the optimization
* to reuse the existing mesh for intermediate results.
* @pre out!=mesh*/
virtual void Subdivide ( aiMesh* mesh,
aiMesh*& out, unsigned int num,
bool discard_input = false) = 0;
// ---------------------------------------------------------------
/** Subdivide multiple meshes using the selected algorithm. This
* avoids erroneous smoothing on objects consisting of multiple
* per-material meshes. Usually, most 3d modellers smooth on a
* per-object base, regardless the materials assigned to the
* meshes.
*
* @param smesh Array of meshes to be subdivided. Must be in
* verbose format.
* @param nmesh Number of meshes in smesh.
* @param out Receives the output meshes. The array must be
* sufficiently large (at least @c nmesh elements) and may not
* overlap the input array. Output meshes map one-to-one to
* their corresponding input meshes. The meshes are allocated
* by the function.
* @param discard_input If true is passed, input meshes are
* deleted after the subdivision is complete. This can
* improve performance because it allows the optimization
* of reusing existing meshes for intermediate results.
* @param num Number of subdivisions to perform.
* @pre nmesh != 0, smesh and out may not overlap*/
virtual void Subdivide (
aiMesh** smesh,
size_t nmesh,
aiMesh** out,
unsigned int num,
bool discard_input = false) = 0;
};
inline
Subdivider::~Subdivider() {
// empty
}
} // end namespace Assimp
#endif // !! AI_SUBDISIVION_H_INC

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file TinyFormatter.h
* @brief Utility to format log messages more easily. Introduced
* to get rid of the boost::format dependency. Much slinker,
* basically just extends stringstream.
*/
#ifndef INCLUDED_TINY_FORMATTER_H
#define INCLUDED_TINY_FORMATTER_H
#include <sstream>
namespace Assimp {
namespace Formatter {
// ------------------------------------------------------------------------------------------------
/** stringstream utility. Usage:
* @code
* void writelog(const std::string&s);
* void writelog(const std::wstring&s);
* ...
* writelog(format()<< "hi! this is a number: " << 4);
* writelog(wformat()<< L"hi! this is a number: " << 4);
*
* @endcode */
template < typename T,
typename CharTraits = std::char_traits<T>,
typename Allocator = std::allocator<T>
>
class basic_formatter
{
public:
typedef class std::basic_string<
T,CharTraits,Allocator
> string;
typedef class std::basic_ostringstream<
T,CharTraits,Allocator
> stringstream;
public:
basic_formatter() {}
/* Allow basic_formatter<T>'s to be used almost interchangeably
* with std::(w)string or const (w)char* arguments because the
* conversion c'tor is called implicitly. */
template <typename TT>
basic_formatter(const TT& sin) {
underlying << sin;
}
// The problem described here:
// https://sourceforge.net/tracker/?func=detail&atid=1067632&aid=3358562&group_id=226462
// can also cause trouble here. Apparently, older gcc versions sometimes copy temporaries
// being bound to const ref& function parameters. Copying streams is not permitted, though.
// This workaround avoids this by manually specifying a copy ctor.
#if !defined(__GNUC__) || !defined(__APPLE__) || __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
explicit basic_formatter(const basic_formatter& other) {
underlying << (string)other;
}
#endif
public:
operator string () const {
return underlying.str();
}
/* note - this is declared const because binding temporaries does only
* work for const references, so many function prototypes will
* include const basic_formatter<T>& s but might still want to
* modify the formatted string without the need for a full copy.*/
template <typename TToken>
const basic_formatter& operator << (const TToken& s) const {
underlying << s;
return *this;
}
template <typename TToken>
basic_formatter& operator << (const TToken& s) {
underlying << s;
return *this;
}
// comma operator overloaded as well, choose your preferred way.
template <typename TToken>
const basic_formatter& operator, (const TToken& s) const {
underlying << s;
return *this;
}
template <typename TToken>
basic_formatter& operator, (const TToken& s) {
underlying << s;
return *this;
}
// Fix for MSVC8
// See https://sourceforge.net/projects/assimp/forums/forum/817654/topic/4372824
template <typename TToken>
basic_formatter& operator, (TToken& s) {
underlying << s;
return *this;
}
private:
mutable stringstream underlying;
};
typedef basic_formatter< char > format;
typedef basic_formatter< wchar_t > wformat;
} // ! namespace Formatter
} // ! namespace Assimp
#endif

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Defines a helper class to represent an interleaved vertex
along with arithmetic operations to support vertex operations
such as subdivision, smoothing etc.
While the code is kept as general as possible, arithmetic operations
that are not currently well-defined (and would cause compile errors
due to missing operators in the math library), are commented.
*/
#ifndef AI_VERTEX_H_INC
#define AI_VERTEX_H_INC
#include <assimp/vector3.h>
#include <assimp/mesh.h>
#include <assimp/ai_assert.h>
#include <functional>
namespace Assimp {
///////////////////////////////////////////////////////////////////////////
// std::plus-family operates on operands with identical types - we need to
// support all the (vectype op float) combinations in vector maths.
// Providing T(float) would open the way to endless implicit conversions.
///////////////////////////////////////////////////////////////////////////
namespace Intern {
template <typename T0, typename T1, typename TRES = T0> struct plus {
TRES operator() (const T0& t0, const T1& t1) const {
return t0+t1;
}
};
template <typename T0, typename T1, typename TRES = T0> struct minus {
TRES operator() (const T0& t0, const T1& t1) const {
return t0-t1;
}
};
template <typename T0, typename T1, typename TRES = T0> struct multiplies {
TRES operator() (const T0& t0, const T1& t1) const {
return t0*t1;
}
};
template <typename T0, typename T1, typename TRES = T0> struct divides {
TRES operator() (const T0& t0, const T1& t1) const {
return t0/t1;
}
};
}
// ------------------------------------------------------------------------------------------------
/** Intermediate description a vertex with all possible components. Defines a full set of
* operators, so you may use such a 'Vertex' in basic arithmetics. All operators are applied
* to *all* vertex components equally. This is useful for stuff like interpolation
* or subdivision, but won't work if special handling is required for some vertex components. */
// ------------------------------------------------------------------------------------------------
class Vertex
{
friend Vertex operator + (const Vertex&,const Vertex&);
friend Vertex operator - (const Vertex&,const Vertex&);
// friend Vertex operator + (const Vertex&,ai_real);
// friend Vertex operator - (const Vertex&,ai_real);
friend Vertex operator * (const Vertex&,ai_real);
friend Vertex operator / (const Vertex&,ai_real);
// friend Vertex operator + (ai_real, const Vertex&);
// friend Vertex operator - (ai_real, const Vertex&);
friend Vertex operator * (ai_real, const Vertex&);
// friend Vertex operator / (ai_real, const Vertex&);
public:
Vertex() {}
// ----------------------------------------------------------------------------
/** Extract a particular vertex from a mesh and interleave all components */
explicit Vertex(const aiMesh* msh, unsigned int idx) {
ai_assert(idx < msh->mNumVertices);
position = msh->mVertices[idx];
if (msh->HasNormals()) {
normal = msh->mNormals[idx];
}
if (msh->HasTangentsAndBitangents()) {
tangent = msh->mTangents[idx];
bitangent = msh->mBitangents[idx];
}
for (unsigned int i = 0; msh->HasTextureCoords(i); ++i) {
texcoords[i] = msh->mTextureCoords[i][idx];
}
for (unsigned int i = 0; msh->HasVertexColors(i); ++i) {
colors[i] = msh->mColors[i][idx];
}
}
// ----------------------------------------------------------------------------
/** Extract a particular vertex from a anim mesh and interleave all components */
explicit Vertex(const aiAnimMesh* msh, unsigned int idx) {
ai_assert(idx < msh->mNumVertices);
position = msh->mVertices[idx];
if (msh->HasNormals()) {
normal = msh->mNormals[idx];
}
if (msh->HasTangentsAndBitangents()) {
tangent = msh->mTangents[idx];
bitangent = msh->mBitangents[idx];
}
for (unsigned int i = 0; msh->HasTextureCoords(i); ++i) {
texcoords[i] = msh->mTextureCoords[i][idx];
}
for (unsigned int i = 0; msh->HasVertexColors(i); ++i) {
colors[i] = msh->mColors[i][idx];
}
}
public:
Vertex& operator += (const Vertex& v) {
*this = *this+v;
return *this;
}
Vertex& operator -= (const Vertex& v) {
*this = *this-v;
return *this;
}
/*
Vertex& operator += (ai_real v) {
*this = *this+v;
return *this;
}
Vertex& operator -= (ai_real v) {
*this = *this-v;
return *this;
}
*/
Vertex& operator *= (ai_real v) {
*this = *this*v;
return *this;
}
Vertex& operator /= (ai_real v) {
*this = *this/v;
return *this;
}
public:
// ----------------------------------------------------------------------------
/** Convert back to non-interleaved storage */
void SortBack(aiMesh* out, unsigned int idx) const {
ai_assert(idx<out->mNumVertices);
out->mVertices[idx] = position;
if (out->HasNormals()) {
out->mNormals[idx] = normal;
}
if (out->HasTangentsAndBitangents()) {
out->mTangents[idx] = tangent;
out->mBitangents[idx] = bitangent;
}
for(unsigned int i = 0; out->HasTextureCoords(i); ++i) {
out->mTextureCoords[i][idx] = texcoords[i];
}
for(unsigned int i = 0; out->HasVertexColors(i); ++i) {
out->mColors[i][idx] = colors[i];
}
}
private:
// ----------------------------------------------------------------------------
/** Construct from two operands and a binary operation to combine them */
template <template <typename t> class op> static Vertex BinaryOp(const Vertex& v0, const Vertex& v1) {
// this is a heavy task for the compiler to optimize ... *pray*
Vertex res;
res.position = op<aiVector3D>()(v0.position,v1.position);
res.normal = op<aiVector3D>()(v0.normal,v1.normal);
res.tangent = op<aiVector3D>()(v0.tangent,v1.tangent);
res.bitangent = op<aiVector3D>()(v0.bitangent,v1.bitangent);
for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
res.texcoords[i] = op<aiVector3D>()(v0.texcoords[i],v1.texcoords[i]);
}
for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_COLOR_SETS; ++i) {
res.colors[i] = op<aiColor4D>()(v0.colors[i],v1.colors[i]);
}
return res;
}
// ----------------------------------------------------------------------------
/** This time binary arithmetics of v0 with a floating-point number */
template <template <typename, typename, typename> class op> static Vertex BinaryOp(const Vertex& v0, ai_real f) {
// this is a heavy task for the compiler to optimize ... *pray*
Vertex res;
res.position = op<aiVector3D,ai_real,aiVector3D>()(v0.position,f);
res.normal = op<aiVector3D,ai_real,aiVector3D>()(v0.normal,f);
res.tangent = op<aiVector3D,ai_real,aiVector3D>()(v0.tangent,f);
res.bitangent = op<aiVector3D,ai_real,aiVector3D>()(v0.bitangent,f);
for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
res.texcoords[i] = op<aiVector3D,ai_real,aiVector3D>()(v0.texcoords[i],f);
}
for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_COLOR_SETS; ++i) {
res.colors[i] = op<aiColor4D,ai_real,aiColor4D>()(v0.colors[i],f);
}
return res;
}
// ----------------------------------------------------------------------------
/** This time binary arithmetics of v0 with a floating-point number */
template <template <typename, typename, typename> class op> static Vertex BinaryOp(ai_real f, const Vertex& v0) {
// this is a heavy task for the compiler to optimize ... *pray*
Vertex res;
res.position = op<ai_real,aiVector3D,aiVector3D>()(f,v0.position);
res.normal = op<ai_real,aiVector3D,aiVector3D>()(f,v0.normal);
res.tangent = op<ai_real,aiVector3D,aiVector3D>()(f,v0.tangent);
res.bitangent = op<ai_real,aiVector3D,aiVector3D>()(f,v0.bitangent);
for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
res.texcoords[i] = op<ai_real,aiVector3D,aiVector3D>()(f,v0.texcoords[i]);
}
for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_COLOR_SETS; ++i) {
res.colors[i] = op<ai_real,aiColor4D,aiColor4D>()(f,v0.colors[i]);
}
return res;
}
public:
aiVector3D position;
aiVector3D normal;
aiVector3D tangent, bitangent;
aiVector3D texcoords[AI_MAX_NUMBER_OF_TEXTURECOORDS];
aiColor4D colors[AI_MAX_NUMBER_OF_COLOR_SETS];
};
// ------------------------------------------------------------------------------------------------
AI_FORCE_INLINE Vertex operator + (const Vertex& v0,const Vertex& v1) {
return Vertex::BinaryOp<std::plus>(v0,v1);
}
AI_FORCE_INLINE Vertex operator - (const Vertex& v0,const Vertex& v1) {
return Vertex::BinaryOp<std::minus>(v0,v1);
}
// ------------------------------------------------------------------------------------------------
/*
AI_FORCE_INLINE Vertex operator + (const Vertex& v0,ai_real f) {
return Vertex::BinaryOp<Intern::plus>(v0,f);
}
AI_FORCE_INLINE Vertex operator - (const Vertex& v0,ai_real f) {
return Vertex::BinaryOp<Intern::minus>(v0,f);
}
*/
AI_FORCE_INLINE Vertex operator * (const Vertex& v0,ai_real f) {
return Vertex::BinaryOp<Intern::multiplies>(v0,f);
}
AI_FORCE_INLINE Vertex operator / (const Vertex& v0,ai_real f) {
return Vertex::BinaryOp<Intern::multiplies>(v0,1.f/f);
}
// ------------------------------------------------------------------------------------------------
/*
AI_FORCE_INLINE Vertex operator + (ai_real f,const Vertex& v0) {
return Vertex::BinaryOp<Intern::plus>(f,v0);
}
AI_FORCE_INLINE Vertex operator - (ai_real f,const Vertex& v0) {
return Vertex::BinaryOp<Intern::minus>(f,v0);
}
*/
AI_FORCE_INLINE Vertex operator * (ai_real f,const Vertex& v0) {
return Vertex::BinaryOp<Intern::multiplies>(f,v0);
}
/*
AI_FORCE_INLINE Vertex operator / (ai_real f,const Vertex& v0) {
return Vertex::BinaryOp<Intern::divides>(f,v0);
}
*/
}
#endif

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
#ifndef INCLUDED_ASSIMP_XML_TOOLS_H
#define INCLUDED_ASSIMP_XML_TOOLS_H
#include <string>
namespace Assimp {
// XML escape the 5 XML special characters (",',<,> and &) in |data|
// Based on http://stackoverflow.com/questions/5665231
std::string XMLEscape(const std::string& data) {
std::string buffer;
const size_t size = data.size();
buffer.reserve(size + size / 8);
for(size_t i = 0; i < size; ++i) {
const char c = data[i];
switch(c) {
case '&' :
buffer.append("&amp;");
break;
case '\"':
buffer.append("&quot;");
break;
case '\'':
buffer.append("&apos;");
break;
case '<' :
buffer.append("&lt;");
break;
case '>' :
buffer.append("&gt;");
break;
default:
buffer.append(&c, 1);
break;
}
}
return buffer;
}
}
#endif // INCLUDED_ASSIMP_XML_TOOLS_H

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file ZipArchiveIOSystem.h
* @brief Implementation of IOSystem to read a ZIP file from another IOSystem
*/
#ifndef AI_ZIPARCHIVEIOSYSTEM_H_INC
#define AI_ZIPARCHIVEIOSYSTEM_H_INC
#include <assimp/IOStream.hpp>
#include <assimp/IOSystem.hpp>
namespace Assimp {
class ZipArchiveIOSystem : public IOSystem {
public:
//! Open a Zip using the proffered IOSystem
ZipArchiveIOSystem(IOSystem* pIOHandler, const char *pFilename, const char* pMode = "r");
ZipArchiveIOSystem(IOSystem* pIOHandler, const std::string& rFilename, const char* pMode = "r");
virtual ~ZipArchiveIOSystem();
bool Exists(const char* pFilename) const override;
char getOsSeparator() const override;
IOStream* Open(const char* pFilename, const char* pMode = "rb") override;
void Close(IOStream* pFile) override;
// Specific to ZIP
//! The file was opened and is a ZIP
bool isOpen() const;
//! Get the list of all files with their simplified paths
//! Intended for use within Assimp library boundaries
void getFileList(std::vector<std::string>& rFileList) const;
//! Get the list of all files with extension (must be lowercase)
//! Intended for use within Assimp library boundaries
void getFileListExtension(std::vector<std::string>& rFileList, const std::string& extension) const;
static bool isZipArchive(IOSystem* pIOHandler, const char *pFilename);
static bool isZipArchive(IOSystem* pIOHandler, const std::string& rFilename);
private:
class Implement;
Implement *pImpl = nullptr;
};
} // Namespace Assimp
#endif // AI_ZIPARCHIVEIOSYSTEM_H_INC

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
#pragma once
#ifndef AI_AABB_H_INC
#define AI_AABB_H_INC
#include <assimp/vector3.h>
struct aiAABB {
C_STRUCT aiVector3D mMin;
C_STRUCT aiVector3D mMax;
#ifdef __cplusplus
aiAABB()
: mMin()
, mMax() {
// empty
}
aiAABB(const aiVector3D &min, const aiVector3D &max )
: mMin(min)
, mMax(max) {
// empty
}
~aiAABB() {
// empty
}
#endif
};
#endif

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
#pragma once
#ifndef AI_ASSERT_H_INC
#define AI_ASSERT_H_INC
#ifdef ASSIMP_BUILD_DEBUG
# include <assert.h>
# define ai_assert(expression) assert( expression )
# define ai_assert_entry() assert( false )
#else
# define ai_assert(expression)
# define ai_assert_entry()
#endif // ASSIMP_BUILD_DEBUG
#endif // AI_ASSERT_H_INC

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/**
* @file anim.h
* @brief Defines the data structures in which the imported animations
* are returned.
*/
#pragma once
#ifndef AI_ANIM_H_INC
#define AI_ANIM_H_INC
#include <assimp/types.h>
#include <assimp/quaternion.h>
#ifdef __cplusplus
extern "C" {
#endif
// ---------------------------------------------------------------------------
/** A time-value pair specifying a certain 3D vector for the given time. */
struct aiVectorKey
{
/** The time of this key */
double mTime;
/** The value of this key */
C_STRUCT aiVector3D mValue;
#ifdef __cplusplus
/// @brief The default constructor.
aiVectorKey() AI_NO_EXCEPT
: mTime( 0.0 )
, mValue() {
// empty
}
/// @brief Construction from a given time and key value.
aiVectorKey(double time, const aiVector3D& value)
: mTime( time )
, mValue( value ) {
// empty
}
typedef aiVector3D elem_type;
// Comparison operators. For use with std::find();
bool operator == (const aiVectorKey& rhs) const {
return rhs.mValue == this->mValue;
}
bool operator != (const aiVectorKey& rhs ) const {
return rhs.mValue != this->mValue;
}
// Relational operators. For use with std::sort();
bool operator < (const aiVectorKey& rhs ) const {
return mTime < rhs.mTime;
}
bool operator > (const aiVectorKey& rhs ) const {
return mTime > rhs.mTime;
}
#endif // __cplusplus
};
// ---------------------------------------------------------------------------
/** A time-value pair specifying a rotation for the given time.
* Rotations are expressed with quaternions. */
struct aiQuatKey
{
/** The time of this key */
double mTime;
/** The value of this key */
C_STRUCT aiQuaternion mValue;
#ifdef __cplusplus
aiQuatKey() AI_NO_EXCEPT
: mTime( 0.0 )
, mValue() {
// empty
}
/** Construction from a given time and key value */
aiQuatKey(double time, const aiQuaternion& value)
: mTime (time)
, mValue (value)
{}
typedef aiQuaternion elem_type;
// Comparison operators. For use with std::find();
bool operator == (const aiQuatKey& rhs ) const {
return rhs.mValue == this->mValue;
}
bool operator != (const aiQuatKey& rhs ) const {
return rhs.mValue != this->mValue;
}
// Relational operators. For use with std::sort();
bool operator < (const aiQuatKey& rhs ) const {
return mTime < rhs.mTime;
}
bool operator > (const aiQuatKey& rhs ) const {
return mTime > rhs.mTime;
}
#endif
};
// ---------------------------------------------------------------------------
/** Binds a anim-mesh to a specific point in time. */
struct aiMeshKey
{
/** The time of this key */
double mTime;
/** Index into the aiMesh::mAnimMeshes array of the
* mesh corresponding to the #aiMeshAnim hosting this
* key frame. The referenced anim mesh is evaluated
* according to the rules defined in the docs for #aiAnimMesh.*/
unsigned int mValue;
#ifdef __cplusplus
aiMeshKey() AI_NO_EXCEPT
: mTime(0.0)
, mValue(0)
{
}
/** Construction from a given time and key value */
aiMeshKey(double time, const unsigned int value)
: mTime (time)
, mValue (value)
{}
typedef unsigned int elem_type;
// Comparison operators. For use with std::find();
bool operator == (const aiMeshKey& o) const {
return o.mValue == this->mValue;
}
bool operator != (const aiMeshKey& o) const {
return o.mValue != this->mValue;
}
// Relational operators. For use with std::sort();
bool operator < (const aiMeshKey& o) const {
return mTime < o.mTime;
}
bool operator > (const aiMeshKey& o) const {
return mTime > o.mTime;
}
#endif
};
// ---------------------------------------------------------------------------
/** Binds a morph anim mesh to a specific point in time. */
struct aiMeshMorphKey
{
/** The time of this key */
double mTime;
/** The values and weights at the time of this key */
unsigned int *mValues;
double *mWeights;
/** The number of values and weights */
unsigned int mNumValuesAndWeights;
#ifdef __cplusplus
aiMeshMorphKey() AI_NO_EXCEPT
: mTime(0.0)
, mValues(nullptr)
, mWeights(nullptr)
, mNumValuesAndWeights(0)
{
}
~aiMeshMorphKey()
{
if (mNumValuesAndWeights && mValues && mWeights) {
delete [] mValues;
delete [] mWeights;
}
}
#endif
};
// ---------------------------------------------------------------------------
/** Defines how an animation channel behaves outside the defined time
* range. This corresponds to aiNodeAnim::mPreState and
* aiNodeAnim::mPostState.*/
enum aiAnimBehaviour
{
/** The value from the default node transformation is taken*/
aiAnimBehaviour_DEFAULT = 0x0,
/** The nearest key value is used without interpolation */
aiAnimBehaviour_CONSTANT = 0x1,
/** The value of the nearest two keys is linearly
* extrapolated for the current time value.*/
aiAnimBehaviour_LINEAR = 0x2,
/** The animation is repeated.
*
* If the animation key go from n to m and the current
* time is t, use the value at (t-n) % (|m-n|).*/
aiAnimBehaviour_REPEAT = 0x3,
/** This value is not used, it is just here to force the
* the compiler to map this enum to a 32 Bit integer */
#ifndef SWIG
_aiAnimBehaviour_Force32Bit = INT_MAX
#endif
};
// ---------------------------------------------------------------------------
/** Describes the animation of a single node. The name specifies the
* bone/node which is affected by this animation channel. The keyframes
* are given in three separate series of values, one each for position,
* rotation and scaling. The transformation matrix computed from these
* values replaces the node's original transformation matrix at a
* specific time.
* This means all keys are absolute and not relative to the bone default pose.
* The order in which the transformations are applied is
* - as usual - scaling, rotation, translation.
*
* @note All keys are returned in their correct, chronological order.
* Duplicate keys don't pass the validation step. Most likely there
* will be no negative time values, but they are not forbidden also ( so
* implementations need to cope with them! ) */
struct aiNodeAnim {
/** The name of the node affected by this animation. The node
* must exist and it must be unique.*/
C_STRUCT aiString mNodeName;
/** The number of position keys */
unsigned int mNumPositionKeys;
/** The position keys of this animation channel. Positions are
* specified as 3D vector. The array is mNumPositionKeys in size.
*
* If there are position keys, there will also be at least one
* scaling and one rotation key.*/
C_STRUCT aiVectorKey* mPositionKeys;
/** The number of rotation keys */
unsigned int mNumRotationKeys;
/** The rotation keys of this animation channel. Rotations are
* given as quaternions, which are 4D vectors. The array is
* mNumRotationKeys in size.
*
* If there are rotation keys, there will also be at least one
* scaling and one position key. */
C_STRUCT aiQuatKey* mRotationKeys;
/** The number of scaling keys */
unsigned int mNumScalingKeys;
/** The scaling keys of this animation channel. Scalings are
* specified as 3D vector. The array is mNumScalingKeys in size.
*
* If there are scaling keys, there will also be at least one
* position and one rotation key.*/
C_STRUCT aiVectorKey* mScalingKeys;
/** Defines how the animation behaves before the first
* key is encountered.
*
* The default value is aiAnimBehaviour_DEFAULT (the original
* transformation matrix of the affected node is used).*/
C_ENUM aiAnimBehaviour mPreState;
/** Defines how the animation behaves after the last
* key was processed.
*
* The default value is aiAnimBehaviour_DEFAULT (the original
* transformation matrix of the affected node is taken).*/
C_ENUM aiAnimBehaviour mPostState;
#ifdef __cplusplus
aiNodeAnim() AI_NO_EXCEPT
: mNumPositionKeys( 0 )
, mPositionKeys( nullptr )
, mNumRotationKeys( 0 )
, mRotationKeys( nullptr )
, mNumScalingKeys( 0 )
, mScalingKeys( nullptr )
, mPreState( aiAnimBehaviour_DEFAULT )
, mPostState( aiAnimBehaviour_DEFAULT ) {
// empty
}
~aiNodeAnim() {
delete [] mPositionKeys;
delete [] mRotationKeys;
delete [] mScalingKeys;
}
#endif // __cplusplus
};
// ---------------------------------------------------------------------------
/** Describes vertex-based animations for a single mesh or a group of
* meshes. Meshes carry the animation data for each frame in their
* aiMesh::mAnimMeshes array. The purpose of aiMeshAnim is to
* define keyframes linking each mesh attachment to a particular
* point in time. */
struct aiMeshAnim
{
/** Name of the mesh to be animated. An empty string is not allowed,
* animated meshes need to be named (not necessarily uniquely,
* the name can basically serve as wild-card to select a group
* of meshes with similar animation setup)*/
C_STRUCT aiString mName;
/** Size of the #mKeys array. Must be 1, at least. */
unsigned int mNumKeys;
/** Key frames of the animation. May not be NULL. */
C_STRUCT aiMeshKey* mKeys;
#ifdef __cplusplus
aiMeshAnim() AI_NO_EXCEPT
: mNumKeys()
, mKeys()
{}
~aiMeshAnim()
{
delete[] mKeys;
}
#endif
};
// ---------------------------------------------------------------------------
/** Describes a morphing animation of a given mesh. */
struct aiMeshMorphAnim
{
/** Name of the mesh to be animated. An empty string is not allowed,
* animated meshes need to be named (not necessarily uniquely,
* the name can basically serve as wildcard to select a group
* of meshes with similar animation setup)*/
C_STRUCT aiString mName;
/** Size of the #mKeys array. Must be 1, at least. */
unsigned int mNumKeys;
/** Key frames of the animation. May not be NULL. */
C_STRUCT aiMeshMorphKey* mKeys;
#ifdef __cplusplus
aiMeshMorphAnim() AI_NO_EXCEPT
: mNumKeys()
, mKeys()
{}
~aiMeshMorphAnim()
{
delete[] mKeys;
}
#endif
};
// ---------------------------------------------------------------------------
/** An animation consists of key-frame data for a number of nodes. For
* each node affected by the animation a separate series of data is given.*/
struct aiAnimation {
/** The name of the animation. If the modeling package this data was
* exported from does support only a single animation channel, this
* name is usually empty (length is zero). */
C_STRUCT aiString mName;
/** Duration of the animation in ticks. */
double mDuration;
/** Ticks per second. 0 if not specified in the imported file */
double mTicksPerSecond;
/** The number of bone animation channels. Each channel affects
* a single node. */
unsigned int mNumChannels;
/** The node animation channels. Each channel affects a single node.
* The array is mNumChannels in size. */
C_STRUCT aiNodeAnim** mChannels;
/** The number of mesh animation channels. Each channel affects
* a single mesh and defines vertex-based animation. */
unsigned int mNumMeshChannels;
/** The mesh animation channels. Each channel affects a single mesh.
* The array is mNumMeshChannels in size. */
C_STRUCT aiMeshAnim** mMeshChannels;
/** The number of mesh animation channels. Each channel affects
* a single mesh and defines morphing animation. */
unsigned int mNumMorphMeshChannels;
/** The morph mesh animation channels. Each channel affects a single mesh.
* The array is mNumMorphMeshChannels in size. */
C_STRUCT aiMeshMorphAnim **mMorphMeshChannels;
#ifdef __cplusplus
aiAnimation() AI_NO_EXCEPT
: mDuration(-1.)
, mTicksPerSecond(0.)
, mNumChannels(0)
, mChannels(nullptr)
, mNumMeshChannels(0)
, mMeshChannels(nullptr)
, mNumMorphMeshChannels(0)
, mMorphMeshChannels(nullptr) {
// empty
}
~aiAnimation() {
// DO NOT REMOVE THIS ADDITIONAL CHECK
if ( mNumChannels && mChannels ) {
for( unsigned int a = 0; a < mNumChannels; a++) {
delete mChannels[ a ];
}
delete [] mChannels;
}
if (mNumMeshChannels && mMeshChannels) {
for( unsigned int a = 0; a < mNumMeshChannels; a++) {
delete mMeshChannels[a];
}
delete [] mMeshChannels;
}
if (mNumMorphMeshChannels && mMorphMeshChannels) {
for( unsigned int a = 0; a < mNumMorphMeshChannels; a++) {
delete mMorphMeshChannels[a];
}
delete [] mMorphMeshChannels;
}
}
#endif // __cplusplus
};
#ifdef __cplusplus
}
/// @brief Some C++ utilities for inter- and extrapolation
namespace Assimp {
// ---------------------------------------------------------------------------
/**
* @brief CPP-API: Utility class to simplify interpolations of various data types.
*
* The type of interpolation is chosen automatically depending on the
* types of the arguments.
*/
template <typename T>
struct Interpolator
{
// ------------------------------------------------------------------
/** @brief Get the result of the interpolation between a,b.
*
* The interpolation algorithm depends on the type of the operands.
* aiQuaternion's and aiQuatKey's SLERP, the rest does a simple
* linear interpolation. */
void operator () (T& out,const T& a, const T& b, ai_real d) const {
out = a + (b-a)*d;
}
}; // ! Interpolator <T>
//! @cond Never
template <>
struct Interpolator <aiQuaternion> {
void operator () (aiQuaternion& out,const aiQuaternion& a,
const aiQuaternion& b, ai_real d) const
{
aiQuaternion::Interpolate(out,a,b,d);
}
}; // ! Interpolator <aiQuaternion>
template <>
struct Interpolator <unsigned int> {
void operator () (unsigned int& out,unsigned int a,
unsigned int b, ai_real d) const
{
out = d>0.5f ? b : a;
}
}; // ! Interpolator <aiQuaternion>
template <>
struct Interpolator<aiVectorKey> {
void operator () (aiVector3D& out,const aiVectorKey& a,
const aiVectorKey& b, ai_real d) const
{
Interpolator<aiVector3D> ipl;
ipl(out,a.mValue,b.mValue,d);
}
}; // ! Interpolator <aiVectorKey>
template <>
struct Interpolator<aiQuatKey> {
void operator () (aiQuaternion& out, const aiQuatKey& a,
const aiQuatKey& b, ai_real d) const
{
Interpolator<aiQuaternion> ipl;
ipl(out,a.mValue,b.mValue,d);
}
}; // ! Interpolator <aiQuatKey>
template <>
struct Interpolator<aiMeshKey> {
void operator () (unsigned int& out, const aiMeshKey& a,
const aiMeshKey& b, ai_real d) const
{
Interpolator<unsigned int> ipl;
ipl(out,a.mValue,b.mValue,d);
}
}; // ! Interpolator <aiQuatKey>
//! @endcond
} // ! end namespace Assimp
#endif // __cplusplus
#endif // AI_ANIM_H_INC

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file camera.h
* @brief Defines the aiCamera data structure
*/
#pragma once
#ifndef AI_CAMERA_H_INC
#define AI_CAMERA_H_INC
#include "types.h"
#ifdef __cplusplus
extern "C" {
#endif
// ---------------------------------------------------------------------------
/** Helper structure to describe a virtual camera.
*
* Cameras have a representation in the node graph and can be animated.
* An important aspect is that the camera itself is also part of the
* scene-graph. This means, any values such as the look-at vector are not
* *absolute*, they're <b>relative</b> to the coordinate system defined
* by the node which corresponds to the camera. This allows for camera
* animations. For static cameras parameters like the 'look-at' or 'up' vectors
* are usually specified directly in aiCamera, but beware, they could also
* be encoded in the node transformation. The following (pseudo)code sample
* shows how to do it: <br><br>
* @code
* // Get the camera matrix for a camera at a specific time
* // if the node hierarchy for the camera does not contain
* // at least one animated node this is a static computation
* get-camera-matrix (node sceneRoot, camera cam) : matrix
* {
* node cnd = find-node-for-camera(cam)
* matrix cmt = identity()
*
* // as usual - get the absolute camera transformation for this frame
* for each node nd in hierarchy from sceneRoot to cnd
* matrix cur
* if (is-animated(nd))
* cur = eval-animation(nd)
* else cur = nd->mTransformation;
* cmt = mult-matrices( cmt, cur )
* end for
*
* // now multiply with the camera's own local transform
* cam = mult-matrices (cam, get-camera-matrix(cmt) )
* }
* @endcode
*
* @note some file formats (such as 3DS, ASE) export a "target point" -
* the point the camera is looking at (it can even be animated). Assimp
* writes the target point as a subnode of the camera's main node,
* called "<camName>.Target". However this is just additional information
* then the transformation tracks of the camera main node make the
* camera already look in the right direction.
*
*/
struct aiCamera
{
/** The name of the camera.
*
* There must be a node in the scenegraph with the same name.
* This node specifies the position of the camera in the scene
* hierarchy and can be animated.
*/
C_STRUCT aiString mName;
/** Position of the camera relative to the coordinate space
* defined by the corresponding node.
*
* The default value is 0|0|0.
*/
C_STRUCT aiVector3D mPosition;
/** 'Up' - vector of the camera coordinate system relative to
* the coordinate space defined by the corresponding node.
*
* The 'right' vector of the camera coordinate system is
* the cross product of the up and lookAt vectors.
* The default value is 0|1|0. The vector
* may be normalized, but it needn't.
*/
C_STRUCT aiVector3D mUp;
/** 'LookAt' - vector of the camera coordinate system relative to
* the coordinate space defined by the corresponding node.
*
* This is the viewing direction of the user.
* The default value is 0|0|1. The vector
* may be normalized, but it needn't.
*/
C_STRUCT aiVector3D mLookAt;
/** Half horizontal field of view angle, in radians.
*
* The field of view angle is the angle between the center
* line of the screen and the left or right border.
* The default value is 1/4PI.
*/
float mHorizontalFOV;
/** Distance of the near clipping plane from the camera.
*
* The value may not be 0.f (for arithmetic reasons to prevent
* a division through zero). The default value is 0.1f.
*/
float mClipPlaneNear;
/** Distance of the far clipping plane from the camera.
*
* The far clipping plane must, of course, be further away than the
* near clipping plane. The default value is 1000.f. The ratio
* between the near and the far plane should not be too
* large (between 1000-10000 should be ok) to avoid floating-point
* inaccuracies which could lead to z-fighting.
*/
float mClipPlaneFar;
/** Screen aspect ratio.
*
* This is the ration between the width and the height of the
* screen. Typical values are 4/3, 1/2 or 1/1. This value is
* 0 if the aspect ratio is not defined in the source file.
* 0 is also the default value.
*/
float mAspect;
#ifdef __cplusplus
aiCamera() AI_NO_EXCEPT
: mUp (0.f,1.f,0.f)
, mLookAt (0.f,0.f,1.f)
, mHorizontalFOV (0.25f * (float)AI_MATH_PI)
, mClipPlaneNear (0.1f)
, mClipPlaneFar (1000.f)
, mAspect (0.f)
{}
/** @brief Get a *right-handed* camera matrix from me
* @param out Camera matrix to be filled
*/
void GetCameraMatrix (aiMatrix4x4& out) const
{
/** todo: test ... should work, but i'm not absolutely sure */
/** We don't know whether these vectors are already normalized ...*/
aiVector3D zaxis = mLookAt; zaxis.Normalize();
aiVector3D yaxis = mUp; yaxis.Normalize();
aiVector3D xaxis = mUp^mLookAt; xaxis.Normalize();
out.a4 = -(xaxis * mPosition);
out.b4 = -(yaxis * mPosition);
out.c4 = -(zaxis * mPosition);
out.a1 = xaxis.x;
out.a2 = xaxis.y;
out.a3 = xaxis.z;
out.b1 = yaxis.x;
out.b2 = yaxis.y;
out.b3 = yaxis.z;
out.c1 = zaxis.x;
out.c2 = zaxis.y;
out.c3 = zaxis.z;
out.d1 = out.d2 = out.d3 = 0.f;
out.d4 = 1.f;
}
#endif
};
#ifdef __cplusplus
}
#endif
#endif // AI_CAMERA_H_INC

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2011, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file cexport.h
* @brief Defines the C-API for the Assimp export interface
*/
#pragma once
#ifndef AI_EXPORT_H_INC
#define AI_EXPORT_H_INC
#ifndef ASSIMP_BUILD_NO_EXPORT
// Public ASSIMP data structures
#include <assimp/types.h>
#ifdef __cplusplus
extern "C" {
#endif
struct aiScene; // aiScene.h
struct aiFileIO; // aiFileIO.h
// --------------------------------------------------------------------------------
/** Describes an file format which Assimp can export to. Use #aiGetExportFormatCount() to
* learn how many export formats the current Assimp build supports and #aiGetExportFormatDescription()
* to retrieve a description of an export format option.
*/
struct aiExportFormatDesc
{
/// a short string ID to uniquely identify the export format. Use this ID string to
/// specify which file format you want to export to when calling #aiExportScene().
/// Example: "dae" or "obj"
const char* id;
/// A short description of the file format to present to users. Useful if you want
/// to allow the user to select an export format.
const char* description;
/// Recommended file extension for the exported file in lower case.
const char* fileExtension;
};
// --------------------------------------------------------------------------------
/** Returns the number of export file formats available in the current Assimp build.
* Use aiGetExportFormatDescription() to retrieve infos of a specific export format.
*/
ASSIMP_API size_t aiGetExportFormatCount(void);
// --------------------------------------------------------------------------------
/** Returns a description of the nth export file format. Use #aiGetExportFormatCount()
* to learn how many export formats are supported. The description must be released by
* calling aiReleaseExportFormatDescription afterwards.
* @param pIndex Index of the export format to retrieve information for. Valid range is
* 0 to #aiGetExportFormatCount()
* @return A description of that specific export format. NULL if pIndex is out of range.
*/
ASSIMP_API const C_STRUCT aiExportFormatDesc* aiGetExportFormatDescription( size_t pIndex);
// --------------------------------------------------------------------------------
/** Release a description of the nth export file format. Must be returned by
* aiGetExportFormatDescription
* @param desc Pointer to the description
*/
ASSIMP_API void aiReleaseExportFormatDescription( const C_STRUCT aiExportFormatDesc *desc );
// --------------------------------------------------------------------------------
/** Create a modifiable copy of a scene.
* This is useful to import files via Assimp, change their topology and
* export them again. Since the scene returned by the various importer functions
* is const, a modifiable copy is needed.
* @param pIn Valid scene to be copied
* @param pOut Receives a modifyable copy of the scene. Use aiFreeScene() to
* delete it again.
*/
ASSIMP_API void aiCopyScene(const C_STRUCT aiScene* pIn,
C_STRUCT aiScene** pOut);
// --------------------------------------------------------------------------------
/** Frees a scene copy created using aiCopyScene() */
ASSIMP_API void aiFreeScene(const C_STRUCT aiScene* pIn);
// --------------------------------------------------------------------------------
/** Exports the given scene to a chosen file format and writes the result file(s) to disk.
* @param pScene The scene to export. Stays in possession of the caller, is not changed by the function.
* The scene is expected to conform to Assimp's Importer output format as specified
* in the @link data Data Structures Page @endlink. In short, this means the model data
* should use a right-handed coordinate systems, face winding should be counter-clockwise
* and the UV coordinate origin is assumed to be in the upper left. If your input data
* uses different conventions, have a look at the last parameter.
* @param pFormatId ID string to specify to which format you want to export to. Use
* aiGetExportFormatCount() / aiGetExportFormatDescription() to learn which export formats are available.
* @param pFileName Output file to write
* @param pPreprocessing Accepts any choice of the #aiPostProcessSteps enumerated
* flags, but in reality only a subset of them makes sense here. Specifying
* 'preprocessing' flags is useful if the input scene does not conform to
* Assimp's default conventions as specified in the @link data Data Structures Page @endlink.
* In short, this means the geometry data should use a right-handed coordinate systems, face
* winding should be counter-clockwise and the UV coordinate origin is assumed to be in
* the upper left. The #aiProcess_MakeLeftHanded, #aiProcess_FlipUVs and
* #aiProcess_FlipWindingOrder flags are used in the import side to allow users
* to have those defaults automatically adapted to their conventions. Specifying those flags
* for exporting has the opposite effect, respectively. Some other of the
* #aiPostProcessSteps enumerated values may be useful as well, but you'll need
* to try out what their effect on the exported file is. Many formats impose
* their own restrictions on the structure of the geometry stored therein,
* so some preprocessing may have little or no effect at all, or may be
* redundant as exporters would apply them anyhow. A good example
* is triangulation - whilst you can enforce it by specifying
* the #aiProcess_Triangulate flag, most export formats support only
* triangulate data so they would run the step anyway.
*
* If assimp detects that the input scene was directly taken from the importer side of
* the library (i.e. not copied using aiCopyScene and potetially modified afterwards),
* any postprocessing steps already applied to the scene will not be applied again, unless
* they show non-idempotent behaviour (#aiProcess_MakeLeftHanded, #aiProcess_FlipUVs and
* #aiProcess_FlipWindingOrder).
* @return a status code indicating the result of the export
* @note Use aiCopyScene() to get a modifiable copy of a previously
* imported scene.
*/
ASSIMP_API aiReturn aiExportScene( const C_STRUCT aiScene* pScene,
const char* pFormatId,
const char* pFileName,
unsigned int pPreprocessing);
// --------------------------------------------------------------------------------
/** Exports the given scene to a chosen file format using custom IO logic supplied by you.
* @param pScene The scene to export. Stays in possession of the caller, is not changed by the function.
* @param pFormatId ID string to specify to which format you want to export to. Use
* aiGetExportFormatCount() / aiGetExportFormatDescription() to learn which export formats are available.
* @param pFileName Output file to write
* @param pIO custom IO implementation to be used. Use this if you use your own storage methods.
* If none is supplied, a default implementation using standard file IO is used. Note that
* #aiExportSceneToBlob is provided as convenience function to export to memory buffers.
* @param pPreprocessing Please see the documentation for #aiExportScene
* @return a status code indicating the result of the export
* @note Include <aiFileIO.h> for the definition of #aiFileIO.
* @note Use aiCopyScene() to get a modifiable copy of a previously
* imported scene.
*/
ASSIMP_API aiReturn aiExportSceneEx( const C_STRUCT aiScene* pScene,
const char* pFormatId,
const char* pFileName,
C_STRUCT aiFileIO* pIO,
unsigned int pPreprocessing );
// --------------------------------------------------------------------------------
/** Describes a blob of exported scene data. Use #aiExportSceneToBlob() to create a blob containing an
* exported scene. The memory referred by this structure is owned by Assimp.
* to free its resources. Don't try to free the memory on your side - it will crash for most build configurations
* due to conflicting heaps.
*
* Blobs can be nested - each blob may reference another blob, which may in turn reference another blob and so on.
* This is used when exporters write more than one output file for a given #aiScene. See the remarks for
* #aiExportDataBlob::name for more information.
*/
struct aiExportDataBlob
{
/// Size of the data in bytes
size_t size;
/// The data.
void* data;
/** Name of the blob. An empty string always
indicates the first (and primary) blob,
which contains the actual file data.
Any other blobs are auxiliary files produced
by exporters (i.e. material files). Existence
of such files depends on the file format. Most
formats don't split assets across multiple files.
If used, blob names usually contain the file
extension that should be used when writing
the data to disc.
*/
C_STRUCT aiString name;
/** Pointer to the next blob in the chain or NULL if there is none. */
C_STRUCT aiExportDataBlob * next;
#ifdef __cplusplus
/// Default constructor
aiExportDataBlob() { size = 0; data = next = NULL; }
/// Releases the data
~aiExportDataBlob() { delete [] static_cast<unsigned char*>( data ); delete next; }
private:
// no copying
aiExportDataBlob(const aiExportDataBlob& );
aiExportDataBlob& operator= (const aiExportDataBlob& );
#endif // __cplusplus
};
// --------------------------------------------------------------------------------
/** Exports the given scene to a chosen file format. Returns the exported data as a binary blob which
* you can write into a file or something. When you're done with the data, use #aiReleaseExportBlob()
* to free the resources associated with the export.
* @param pScene The scene to export. Stays in possession of the caller, is not changed by the function.
* @param pFormatId ID string to specify to which format you want to export to. Use
* #aiGetExportFormatCount() / #aiGetExportFormatDescription() to learn which export formats are available.
* @param pPreprocessing Please see the documentation for #aiExportScene
* @return the exported data or NULL in case of error
*/
ASSIMP_API const C_STRUCT aiExportDataBlob* aiExportSceneToBlob( const C_STRUCT aiScene* pScene, const char* pFormatId,
unsigned int pPreprocessing );
// --------------------------------------------------------------------------------
/** Releases the memory associated with the given exported data. Use this function to free a data blob
* returned by aiExportScene().
* @param pData the data blob returned by #aiExportSceneToBlob
*/
ASSIMP_API void aiReleaseExportBlob( const C_STRUCT aiExportDataBlob* pData );
#ifdef __cplusplus
}
#endif
#endif // ASSIMP_BUILD_NO_EXPORT
#endif // AI_EXPORT_H_INC

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file cfileio.h
* @brief Defines generic C routines to access memory-mapped files
*/
#pragma once
#ifndef AI_FILEIO_H_INC
#define AI_FILEIO_H_INC
#include <assimp/types.h>
#ifdef __cplusplus
extern "C" {
#endif
struct aiFileIO;
struct aiFile;
// aiFile callbacks
typedef size_t (*aiFileWriteProc) (C_STRUCT aiFile*, const char*, size_t, size_t);
typedef size_t (*aiFileReadProc) (C_STRUCT aiFile*, char*, size_t,size_t);
typedef size_t (*aiFileTellProc) (C_STRUCT aiFile*);
typedef void (*aiFileFlushProc) (C_STRUCT aiFile*);
typedef C_ENUM aiReturn (*aiFileSeek) (C_STRUCT aiFile*, size_t, C_ENUM aiOrigin);
// aiFileIO callbacks
typedef C_STRUCT aiFile* (*aiFileOpenProc) (C_STRUCT aiFileIO*, const char*, const char*);
typedef void (*aiFileCloseProc) (C_STRUCT aiFileIO*, C_STRUCT aiFile*);
// Represents user-defined data
typedef char* aiUserData;
// ----------------------------------------------------------------------------------
/** @brief C-API: File system callbacks
*
* Provided are functions to open and close files. Supply a custom structure to
* the import function. If you don't, a default implementation is used. Use custom
* file systems to enable reading from other sources, such as ZIPs
* or memory locations. */
struct aiFileIO
{
/** Function used to open a new file
*/
aiFileOpenProc OpenProc;
/** Function used to close an existing file
*/
aiFileCloseProc CloseProc;
/** User-defined, opaque data */
aiUserData UserData;
};
// ----------------------------------------------------------------------------------
/** @brief C-API: File callbacks
*
* Actually, it's a data structure to wrap a set of fXXXX (e.g fopen)
* replacement functions.
*
* The default implementation of the functions utilizes the fXXX functions from
* the CRT. However, you can supply a custom implementation to Assimp by
* delivering a custom aiFileIO. Use this to enable reading from other sources,
* such as ZIP archives or memory locations. */
struct aiFile
{
/** Callback to read from a file */
aiFileReadProc ReadProc;
/** Callback to write to a file */
aiFileWriteProc WriteProc;
/** Callback to retrieve the current position of
* the file cursor (ftell())
*/
aiFileTellProc TellProc;
/** Callback to retrieve the size of the file,
* in bytes
*/
aiFileTellProc FileSizeProc;
/** Callback to set the current position
* of the file cursor (fseek())
*/
aiFileSeek SeekProc;
/** Callback to flush the file contents
*/
aiFileFlushProc FlushProc;
/** User-defined, opaque data
*/
aiUserData UserData;
};
#ifdef __cplusplus
}
#endif
#endif // AI_FILEIO_H_INC

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file cimport.h
* @brief Defines the C-API to the Open Asset Import Library.
*/
#pragma once
#ifndef AI_ASSIMP_H_INC
#define AI_ASSIMP_H_INC
#include <assimp/types.h>
#include "importerdesc.h"
#ifdef __cplusplus
extern "C" {
#endif
struct aiScene; // aiScene.h
struct aiFileIO; // aiFileIO.h
typedef void (*aiLogStreamCallback)(const char* /* message */, char* /* user */);
// --------------------------------------------------------------------------------
/** C-API: Represents a log stream. A log stream receives all log messages and
* streams them _somewhere_.
* @see aiGetPredefinedLogStream
* @see aiAttachLogStream
* @see aiDetachLogStream */
// --------------------------------------------------------------------------------
struct aiLogStream
{
/** callback to be called */
aiLogStreamCallback callback;
/** user data to be passed to the callback */
char* user;
};
// --------------------------------------------------------------------------------
/** C-API: Represents an opaque set of settings to be used during importing.
* @see aiCreatePropertyStore
* @see aiReleasePropertyStore
* @see aiImportFileExWithProperties
* @see aiSetPropertyInteger
* @see aiSetPropertyFloat
* @see aiSetPropertyString
* @see aiSetPropertyMatrix
*/
// --------------------------------------------------------------------------------
struct aiPropertyStore { char sentinel; };
/** Our own C boolean type */
typedef int aiBool;
#define AI_FALSE 0
#define AI_TRUE 1
// --------------------------------------------------------------------------------
/** Reads the given file and returns its content.
*
* If the call succeeds, the imported data is returned in an aiScene structure.
* The data is intended to be read-only, it stays property of the ASSIMP
* library and will be stable until aiReleaseImport() is called. After you're
* done with it, call aiReleaseImport() to free the resources associated with
* this file. If the import fails, NULL is returned instead. Call
* aiGetErrorString() to retrieve a human-readable error text.
* @param pFile Path and filename of the file to be imported,
* expected to be a null-terminated c-string. NULL is not a valid value.
* @param pFlags Optional post processing steps to be executed after
* a successful import. Provide a bitwise combination of the
* #aiPostProcessSteps flags.
* @return Pointer to the imported data or NULL if the import failed.
*/
ASSIMP_API const C_STRUCT aiScene* aiImportFile(
const char* pFile,
unsigned int pFlags);
// --------------------------------------------------------------------------------
/** Reads the given file using user-defined I/O functions and returns
* its content.
*
* If the call succeeds, the imported data is returned in an aiScene structure.
* The data is intended to be read-only, it stays property of the ASSIMP
* library and will be stable until aiReleaseImport() is called. After you're
* done with it, call aiReleaseImport() to free the resources associated with
* this file. If the import fails, NULL is returned instead. Call
* aiGetErrorString() to retrieve a human-readable error text.
* @param pFile Path and filename of the file to be imported,
* expected to be a null-terminated c-string. NULL is not a valid value.
* @param pFlags Optional post processing steps to be executed after
* a successful import. Provide a bitwise combination of the
* #aiPostProcessSteps flags.
* @param pFS aiFileIO structure. Will be used to open the model file itself
* and any other files the loader needs to open. Pass NULL to use the default
* implementation.
* @return Pointer to the imported data or NULL if the import failed.
* @note Include <aiFileIO.h> for the definition of #aiFileIO.
*/
ASSIMP_API const C_STRUCT aiScene* aiImportFileEx(
const char* pFile,
unsigned int pFlags,
C_STRUCT aiFileIO* pFS);
// --------------------------------------------------------------------------------
/** Same as #aiImportFileEx, but adds an extra parameter containing importer settings.
*
* @param pFile Path and filename of the file to be imported,
* expected to be a null-terminated c-string. NULL is not a valid value.
* @param pFlags Optional post processing steps to be executed after
* a successful import. Provide a bitwise combination of the
* #aiPostProcessSteps flags.
* @param pFS aiFileIO structure. Will be used to open the model file itself
* and any other files the loader needs to open. Pass NULL to use the default
* implementation.
* @param pProps #aiPropertyStore instance containing import settings.
* @return Pointer to the imported data or NULL if the import failed.
* @note Include <aiFileIO.h> for the definition of #aiFileIO.
* @see aiImportFileEx
*/
ASSIMP_API const C_STRUCT aiScene* aiImportFileExWithProperties(
const char* pFile,
unsigned int pFlags,
C_STRUCT aiFileIO* pFS,
const C_STRUCT aiPropertyStore* pProps);
// --------------------------------------------------------------------------------
/** Reads the given file from a given memory buffer,
*
* If the call succeeds, the contents of the file are returned as a pointer to an
* aiScene object. The returned data is intended to be read-only, the importer keeps
* ownership of the data and will destroy it upon destruction. If the import fails,
* NULL is returned.
* A human-readable error description can be retrieved by calling aiGetErrorString().
* @param pBuffer Pointer to the file data
* @param pLength Length of pBuffer, in bytes
* @param pFlags Optional post processing steps to be executed after
* a successful import. Provide a bitwise combination of the
* #aiPostProcessSteps flags. If you wish to inspect the imported
* scene first in order to fine-tune your post-processing setup,
* consider to use #aiApplyPostProcessing().
* @param pHint An additional hint to the library. If this is a non empty string,
* the library looks for a loader to support the file extension specified by pHint
* and passes the file to the first matching loader. If this loader is unable to
* completely the request, the library continues and tries to determine the file
* format on its own, a task that may or may not be successful.
* Check the return value, and you'll know ...
* @return A pointer to the imported data, NULL if the import failed.
*
* @note This is a straightforward way to decode models from memory
* buffers, but it doesn't handle model formats that spread their
* data across multiple files or even directories. Examples include
* OBJ or MD3, which outsource parts of their material info into
* external scripts. If you need full functionality, provide
* a custom IOSystem to make Assimp find these files and use
* the regular aiImportFileEx()/aiImportFileExWithProperties() API.
*/
ASSIMP_API const C_STRUCT aiScene* aiImportFileFromMemory(
const char* pBuffer,
unsigned int pLength,
unsigned int pFlags,
const char* pHint);
// --------------------------------------------------------------------------------
/** Same as #aiImportFileFromMemory, but adds an extra parameter containing importer settings.
*
* @param pBuffer Pointer to the file data
* @param pLength Length of pBuffer, in bytes
* @param pFlags Optional post processing steps to be executed after
* a successful import. Provide a bitwise combination of the
* #aiPostProcessSteps flags. If you wish to inspect the imported
* scene first in order to fine-tune your post-processing setup,
* consider to use #aiApplyPostProcessing().
* @param pHint An additional hint to the library. If this is a non empty string,
* the library looks for a loader to support the file extension specified by pHint
* and passes the file to the first matching loader. If this loader is unable to
* completely the request, the library continues and tries to determine the file
* format on its own, a task that may or may not be successful.
* Check the return value, and you'll know ...
* @param pProps #aiPropertyStore instance containing import settings.
* @return A pointer to the imported data, NULL if the import failed.
*
* @note This is a straightforward way to decode models from memory
* buffers, but it doesn't handle model formats that spread their
* data across multiple files or even directories. Examples include
* OBJ or MD3, which outsource parts of their material info into
* external scripts. If you need full functionality, provide
* a custom IOSystem to make Assimp find these files and use
* the regular aiImportFileEx()/aiImportFileExWithProperties() API.
* @see aiImportFileFromMemory
*/
ASSIMP_API const C_STRUCT aiScene* aiImportFileFromMemoryWithProperties(
const char* pBuffer,
unsigned int pLength,
unsigned int pFlags,
const char* pHint,
const C_STRUCT aiPropertyStore* pProps);
// --------------------------------------------------------------------------------
/** Apply post-processing to an already-imported scene.
*
* This is strictly equivalent to calling #aiImportFile()/#aiImportFileEx with the
* same flags. However, you can use this separate function to inspect the imported
* scene first to fine-tune your post-processing setup.
* @param pScene Scene to work on.
* @param pFlags Provide a bitwise combination of the #aiPostProcessSteps flags.
* @return A pointer to the post-processed data. Post processing is done in-place,
* meaning this is still the same #aiScene which you passed for pScene. However,
* _if_ post-processing failed, the scene could now be NULL. That's quite a rare
* case, post processing steps are not really designed to 'fail'. To be exact,
* the #aiProcess_ValidateDataStructure flag is currently the only post processing step
* which can actually cause the scene to be reset to NULL.
*/
ASSIMP_API const C_STRUCT aiScene* aiApplyPostProcessing(
const C_STRUCT aiScene* pScene,
unsigned int pFlags);
// --------------------------------------------------------------------------------
/** Get one of the predefine log streams. This is the quick'n'easy solution to
* access Assimp's log system. Attaching a log stream can slightly reduce Assimp's
* overall import performance.
*
* Usage is rather simple (this will stream the log to a file, named log.txt, and
* the stdout stream of the process:
* @code
* struct aiLogStream c;
* c = aiGetPredefinedLogStream(aiDefaultLogStream_FILE,"log.txt");
* aiAttachLogStream(&c);
* c = aiGetPredefinedLogStream(aiDefaultLogStream_STDOUT,NULL);
* aiAttachLogStream(&c);
* @endcode
*
* @param pStreams One of the #aiDefaultLogStream enumerated values.
* @param file Solely for the #aiDefaultLogStream_FILE flag: specifies the file to write to.
* Pass NULL for all other flags.
* @return The log stream. callback is set to NULL if something went wrong.
*/
ASSIMP_API C_STRUCT aiLogStream aiGetPredefinedLogStream(
C_ENUM aiDefaultLogStream pStreams,
const char* file);
// --------------------------------------------------------------------------------
/** Attach a custom log stream to the libraries' logging system.
*
* Attaching a log stream can slightly reduce Assimp's overall import
* performance. Multiple log-streams can be attached.
* @param stream Describes the new log stream.
* @note To ensure proper destruction of the logging system, you need to manually
* call aiDetachLogStream() on every single log stream you attach.
* Alternatively (for the lazy folks) #aiDetachAllLogStreams is provided.
*/
ASSIMP_API void aiAttachLogStream(
const C_STRUCT aiLogStream* stream);
// --------------------------------------------------------------------------------
/** Enable verbose logging. Verbose logging includes debug-related stuff and
* detailed import statistics. This can have severe impact on import performance
* and memory consumption. However, it might be useful to find out why a file
* didn't read correctly.
* @param d AI_TRUE or AI_FALSE, your decision.
*/
ASSIMP_API void aiEnableVerboseLogging(aiBool d);
// --------------------------------------------------------------------------------
/** Detach a custom log stream from the libraries' logging system.
*
* This is the counterpart of #aiAttachLogStream. If you attached a stream,
* don't forget to detach it again.
* @param stream The log stream to be detached.
* @return AI_SUCCESS if the log stream has been detached successfully.
* @see aiDetachAllLogStreams
*/
ASSIMP_API C_ENUM aiReturn aiDetachLogStream(
const C_STRUCT aiLogStream* stream);
// --------------------------------------------------------------------------------
/** Detach all active log streams from the libraries' logging system.
* This ensures that the logging system is terminated properly and all
* resources allocated by it are actually freed. If you attached a stream,
* don't forget to detach it again.
* @see aiAttachLogStream
* @see aiDetachLogStream
*/
ASSIMP_API void aiDetachAllLogStreams(void);
// --------------------------------------------------------------------------------
/** Releases all resources associated with the given import process.
*
* Call this function after you're done with the imported data.
* @param pScene The imported data to release. NULL is a valid value.
*/
ASSIMP_API void aiReleaseImport(
const C_STRUCT aiScene* pScene);
// --------------------------------------------------------------------------------
/** Returns the error text of the last failed import process.
*
* @return A textual description of the error that occurred at the last
* import process. NULL if there was no error. There can't be an error if you
* got a non-NULL #aiScene from #aiImportFile/#aiImportFileEx/#aiApplyPostProcessing.
*/
ASSIMP_API const char* aiGetErrorString(void);
// --------------------------------------------------------------------------------
/** Returns whether a given file extension is supported by ASSIMP
*
* @param szExtension Extension for which the function queries support for.
* Must include a leading dot '.'. Example: ".3ds", ".md3"
* @return AI_TRUE if the file extension is supported.
*/
ASSIMP_API aiBool aiIsExtensionSupported(
const char* szExtension);
// --------------------------------------------------------------------------------
/** Get a list of all file extensions supported by ASSIMP.
*
* If a file extension is contained in the list this does, of course, not
* mean that ASSIMP is able to load all files with this extension.
* @param szOut String to receive the extension list.
* Format of the list: "*.3ds;*.obj;*.dae". NULL is not a valid parameter.
*/
ASSIMP_API void aiGetExtensionList(
C_STRUCT aiString* szOut);
// --------------------------------------------------------------------------------
/** Get the approximated storage required by an imported asset
* @param pIn Input asset.
* @param in Data structure to be filled.
*/
ASSIMP_API void aiGetMemoryRequirements(
const C_STRUCT aiScene* pIn,
C_STRUCT aiMemoryInfo* in);
// --------------------------------------------------------------------------------
/** Create an empty property store. Property stores are used to collect import
* settings.
* @return New property store. Property stores need to be manually destroyed using
* the #aiReleasePropertyStore API function.
*/
ASSIMP_API C_STRUCT aiPropertyStore* aiCreatePropertyStore(void);
// --------------------------------------------------------------------------------
/** Delete a property store.
* @param p Property store to be deleted.
*/
ASSIMP_API void aiReleasePropertyStore(C_STRUCT aiPropertyStore* p);
// --------------------------------------------------------------------------------
/** Set an integer property.
*
* This is the C-version of #Assimp::Importer::SetPropertyInteger(). In the C
* interface, properties are always shared by all imports. It is not possible to
* specify them per import.
*
* @param store Store to modify. Use #aiCreatePropertyStore to obtain a store.
* @param szName Name of the configuration property to be set. All supported
* public properties are defined in the config.h header file (AI_CONFIG_XXX).
* @param value New value for the property
*/
ASSIMP_API void aiSetImportPropertyInteger(
C_STRUCT aiPropertyStore* store,
const char* szName,
int value);
// --------------------------------------------------------------------------------
/** Set a floating-point property.
*
* This is the C-version of #Assimp::Importer::SetPropertyFloat(). In the C
* interface, properties are always shared by all imports. It is not possible to
* specify them per import.
*
* @param store Store to modify. Use #aiCreatePropertyStore to obtain a store.
* @param szName Name of the configuration property to be set. All supported
* public properties are defined in the config.h header file (AI_CONFIG_XXX).
* @param value New value for the property
*/
ASSIMP_API void aiSetImportPropertyFloat(
C_STRUCT aiPropertyStore* store,
const char* szName,
ai_real value);
// --------------------------------------------------------------------------------
/** Set a string property.
*
* This is the C-version of #Assimp::Importer::SetPropertyString(). In the C
* interface, properties are always shared by all imports. It is not possible to
* specify them per import.
*
* @param store Store to modify. Use #aiCreatePropertyStore to obtain a store.
* @param szName Name of the configuration property to be set. All supported
* public properties are defined in the config.h header file (AI_CONFIG_XXX).
* @param st New value for the property
*/
ASSIMP_API void aiSetImportPropertyString(
C_STRUCT aiPropertyStore* store,
const char* szName,
const C_STRUCT aiString* st);
// --------------------------------------------------------------------------------
/** Set a matrix property.
*
* This is the C-version of #Assimp::Importer::SetPropertyMatrix(). In the C
* interface, properties are always shared by all imports. It is not possible to
* specify them per import.
*
* @param store Store to modify. Use #aiCreatePropertyStore to obtain a store.
* @param szName Name of the configuration property to be set. All supported
* public properties are defined in the config.h header file (AI_CONFIG_XXX).
* @param mat New value for the property
*/
ASSIMP_API void aiSetImportPropertyMatrix(
C_STRUCT aiPropertyStore* store,
const char* szName,
const C_STRUCT aiMatrix4x4* mat);
// --------------------------------------------------------------------------------
/** Construct a quaternion from a 3x3 rotation matrix.
* @param quat Receives the output quaternion.
* @param mat Matrix to 'quaternionize'.
* @see aiQuaternion(const aiMatrix3x3& pRotMatrix)
*/
ASSIMP_API void aiCreateQuaternionFromMatrix(
C_STRUCT aiQuaternion* quat,
const C_STRUCT aiMatrix3x3* mat);
// --------------------------------------------------------------------------------
/** Decompose a transformation matrix into its rotational, translational and
* scaling components.
*
* @param mat Matrix to decompose
* @param scaling Receives the scaling component
* @param rotation Receives the rotational component
* @param position Receives the translational component.
* @see aiMatrix4x4::Decompose (aiVector3D&, aiQuaternion&, aiVector3D&) const;
*/
ASSIMP_API void aiDecomposeMatrix(
const C_STRUCT aiMatrix4x4* mat,
C_STRUCT aiVector3D* scaling,
C_STRUCT aiQuaternion* rotation,
C_STRUCT aiVector3D* position);
// --------------------------------------------------------------------------------
/** Transpose a 4x4 matrix.
* @param mat Pointer to the matrix to be transposed
*/
ASSIMP_API void aiTransposeMatrix4(
C_STRUCT aiMatrix4x4* mat);
// --------------------------------------------------------------------------------
/** Transpose a 3x3 matrix.
* @param mat Pointer to the matrix to be transposed
*/
ASSIMP_API void aiTransposeMatrix3(
C_STRUCT aiMatrix3x3* mat);
// --------------------------------------------------------------------------------
/** Transform a vector by a 3x3 matrix
* @param vec Vector to be transformed.
* @param mat Matrix to transform the vector with.
*/
ASSIMP_API void aiTransformVecByMatrix3(
C_STRUCT aiVector3D* vec,
const C_STRUCT aiMatrix3x3* mat);
// --------------------------------------------------------------------------------
/** Transform a vector by a 4x4 matrix
* @param vec Vector to be transformed.
* @param mat Matrix to transform the vector with.
*/
ASSIMP_API void aiTransformVecByMatrix4(
C_STRUCT aiVector3D* vec,
const C_STRUCT aiMatrix4x4* mat);
// --------------------------------------------------------------------------------
/** Multiply two 4x4 matrices.
* @param dst First factor, receives result.
* @param src Matrix to be multiplied with 'dst'.
*/
ASSIMP_API void aiMultiplyMatrix4(
C_STRUCT aiMatrix4x4* dst,
const C_STRUCT aiMatrix4x4* src);
// --------------------------------------------------------------------------------
/** Multiply two 3x3 matrices.
* @param dst First factor, receives result.
* @param src Matrix to be multiplied with 'dst'.
*/
ASSIMP_API void aiMultiplyMatrix3(
C_STRUCT aiMatrix3x3* dst,
const C_STRUCT aiMatrix3x3* src);
// --------------------------------------------------------------------------------
/** Get a 3x3 identity matrix.
* @param mat Matrix to receive its personal identity
*/
ASSIMP_API void aiIdentityMatrix3(
C_STRUCT aiMatrix3x3* mat);
// --------------------------------------------------------------------------------
/** Get a 4x4 identity matrix.
* @param mat Matrix to receive its personal identity
*/
ASSIMP_API void aiIdentityMatrix4(
C_STRUCT aiMatrix4x4* mat);
// --------------------------------------------------------------------------------
/** Returns the number of import file formats available in the current Assimp build.
* Use aiGetImportFormatDescription() to retrieve infos of a specific import format.
*/
ASSIMP_API size_t aiGetImportFormatCount(void);
// --------------------------------------------------------------------------------
/** Returns a description of the nth import file format. Use #aiGetImportFormatCount()
* to learn how many import formats are supported.
* @param pIndex Index of the import format to retrieve information for. Valid range is
* 0 to #aiGetImportFormatCount()
* @return A description of that specific import format. NULL if pIndex is out of range.
*/
ASSIMP_API const C_STRUCT aiImporterDesc* aiGetImportFormatDescription( size_t pIndex);
#ifdef __cplusplus
}
#endif
#endif // AI_ASSIMP_H_INC

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file color4.h
* @brief RGBA color structure, including operators when compiling in C++
*/
#pragma once
#ifndef AI_COLOR4D_H_INC
#define AI_COLOR4D_H_INC
#include "defs.h"
#ifdef __cplusplus
// ----------------------------------------------------------------------------------
/** Represents a color in Red-Green-Blue space including an
* alpha component. Color values range from 0 to 1. */
// ----------------------------------------------------------------------------------
template <typename TReal>
class aiColor4t
{
public:
aiColor4t() AI_NO_EXCEPT : r(), g(), b(), a() {}
aiColor4t (TReal _r, TReal _g, TReal _b, TReal _a)
: r(_r), g(_g), b(_b), a(_a) {}
explicit aiColor4t (TReal _r) : r(_r), g(_r), b(_r), a(_r) {}
aiColor4t (const aiColor4t& o) = default;
public:
// combined operators
const aiColor4t& operator += (const aiColor4t& o);
const aiColor4t& operator -= (const aiColor4t& o);
const aiColor4t& operator *= (TReal f);
const aiColor4t& operator /= (TReal f);
public:
// comparison
bool operator == (const aiColor4t& other) const;
bool operator != (const aiColor4t& other) const;
bool operator < (const aiColor4t& other) const;
// color tuple access, rgba order
inline TReal operator[](unsigned int i) const;
inline TReal& operator[](unsigned int i);
/** check whether a color is (close to) black */
inline bool IsBlack() const;
public:
// Red, green, blue and alpha color values
TReal r, g, b, a;
}; // !struct aiColor4D
typedef aiColor4t<ai_real> aiColor4D;
#else
struct aiColor4D {
ai_real r, g, b, a;
};
#endif // __cplusplus
#endif // AI_COLOR4D_H_INC

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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file color4.inl
* @brief Inline implementation of aiColor4t<TReal> operators
*/
#pragma once
#ifndef AI_COLOR4D_INL_INC
#define AI_COLOR4D_INL_INC
#ifdef __cplusplus
#include "color4.h"
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE const aiColor4t<TReal>& aiColor4t<TReal>::operator += (const aiColor4t<TReal>& o) {
r += o.r; g += o.g; b += o.b; a += o.a;
return *this;
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE const aiColor4t<TReal>& aiColor4t<TReal>::operator -= (const aiColor4t<TReal>& o) {
r -= o.r; g -= o.g; b -= o.b; a -= o.a;
return *this;
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE const aiColor4t<TReal>& aiColor4t<TReal>::operator *= (TReal f) {
r *= f; g *= f; b *= f; a *= f;
return *this;
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE const aiColor4t<TReal>& aiColor4t<TReal>::operator /= (TReal f) {
r /= f; g /= f; b /= f; a /= f;
return *this;
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE TReal aiColor4t<TReal>::operator[](unsigned int i) const {
switch ( i ) {
case 0:
return r;
case 1:
return g;
case 2:
return b;
case 3:
return a;
default:
break;
}
return r;
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE TReal& aiColor4t<TReal>::operator[](unsigned int i) {
switch ( i ) {
case 0:
return r;
case 1:
return g;
case 2:
return b;
case 3:
return a;
default:
break;
}
return r;
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE bool aiColor4t<TReal>::operator== (const aiColor4t<TReal>& other) const {
return r == other.r && g == other.g && b == other.b && a == other.a;
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE bool aiColor4t<TReal>::operator!= (const aiColor4t<TReal>& other) const {
return r != other.r || g != other.g || b != other.b || a != other.a;
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE bool aiColor4t<TReal>::operator< (const aiColor4t<TReal>& other) const {
return r < other.r || (
r == other.r && (
g < other.g || (
g == other.g && (
b < other.b || (
b == other.b && (
a < other.a
)
)
)
)
)
);
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE aiColor4t<TReal> operator + (const aiColor4t<TReal>& v1, const aiColor4t<TReal>& v2) {
return aiColor4t<TReal>( v1.r + v2.r, v1.g + v2.g, v1.b + v2.b, v1.a + v2.a);
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE aiColor4t<TReal> operator - (const aiColor4t<TReal>& v1, const aiColor4t<TReal>& v2) {
return aiColor4t<TReal>( v1.r - v2.r, v1.g - v2.g, v1.b - v2.b, v1.a - v2.a);
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE aiColor4t<TReal> operator * (const aiColor4t<TReal>& v1, const aiColor4t<TReal>& v2) {
return aiColor4t<TReal>( v1.r * v2.r, v1.g * v2.g, v1.b * v2.b, v1.a * v2.a);
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE aiColor4t<TReal> operator / (const aiColor4t<TReal>& v1, const aiColor4t<TReal>& v2) {
return aiColor4t<TReal>( v1.r / v2.r, v1.g / v2.g, v1.b / v2.b, v1.a / v2.a);
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE aiColor4t<TReal> operator * ( TReal f, const aiColor4t<TReal>& v) {
return aiColor4t<TReal>( f*v.r, f*v.g, f*v.b, f*v.a);
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE aiColor4t<TReal> operator * ( const aiColor4t<TReal>& v, TReal f) {
return aiColor4t<TReal>( f*v.r, f*v.g, f*v.b, f*v.a);
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE aiColor4t<TReal> operator / ( const aiColor4t<TReal>& v, TReal f) {
return v * (1/f);
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE aiColor4t<TReal> operator / ( TReal f,const aiColor4t<TReal>& v) {
return aiColor4t<TReal>(f,f,f,f)/v;
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE aiColor4t<TReal> operator + ( const aiColor4t<TReal>& v, TReal f) {
return aiColor4t<TReal>( f+v.r, f+v.g, f+v.b, f+v.a);
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE aiColor4t<TReal> operator - ( const aiColor4t<TReal>& v, TReal f) {
return aiColor4t<TReal>( v.r-f, v.g-f, v.b-f, v.a-f);
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE aiColor4t<TReal> operator + ( TReal f, const aiColor4t<TReal>& v) {
return aiColor4t<TReal>( f+v.r, f+v.g, f+v.b, f+v.a);
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE aiColor4t<TReal> operator - ( TReal f, const aiColor4t<TReal>& v) {
return aiColor4t<TReal>( f-v.r, f-v.g, f-v.b, f-v.a);
}
// ------------------------------------------------------------------------------------------------
template <typename TReal>
inline bool aiColor4t<TReal> :: IsBlack() const {
// The alpha component doesn't care here. black is black.
static const TReal epsilon = 10e-3f;
return std::fabs( r ) < epsilon && std::fabs( g ) < epsilon && std::fabs( b ) < epsilon;
}
#endif // __cplusplus
#endif // AI_VECTOR3D_INL_INC

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