73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
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#pragma once
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#include "glm.hpp"
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#include "glew.h"
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//#include "objload.h"
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#include <assimp/Importer.hpp>
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#include <assimp/scene.h>
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#include <assimp/postprocess.h>
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#include <vector>
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#include <iostream>
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#define BUFFER_OFFSET(i) ((void*)(i))
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namespace Core
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{
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struct RenderContext {
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GLuint vertexArray;
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GLuint vertexBuffer;
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GLuint vertexIndexBuffer;
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unsigned int size = 0;
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void initFromAiMesh(aiMesh* mesh) {
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vertexArray = 0;
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vertexBuffer = 0;
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vertexIndexBuffer = 0;
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std::vector<float> textureCoord;
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std::vector<unsigned int> indices;
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//tex coord must be converted to 2d vecs
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for (unsigned int i = 0; i < mesh->mNumVertices; i++)
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{
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if (mesh->mTextureCoords[0] != nullptr) {
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textureCoord.push_back(mesh->mTextureCoords[0][i].x);
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textureCoord.push_back(mesh->mTextureCoords[0][i].y);
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}
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else {
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textureCoord.push_back(0.0f);
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textureCoord.push_back(0.0f);
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}
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}
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if (mesh->mTextureCoords[0] == nullptr) {
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std::cout << "no uv coords\n";
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}
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for (unsigned int i = 0; i < mesh->mNumFaces; i++)
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{
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aiFace face = mesh->mFaces[i];
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// retrieve all indices of the face and store them in the indices vector
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for (unsigned int j = 0; j < face.mNumIndices; j++)
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indices.push_back(face.mIndices[j]);
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}
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unsigned int vertexDataBufferSize = sizeof(float) * mesh->mNumVertices * 3;
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unsigned int vertexNormalBufferSize = sizeof(float) * mesh->mNumVertices * 3;
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unsigned int vertexTexBufferSize = sizeof(float) * mesh->mNumVertices * 2;
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}
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~RenderContext() {
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glDeleteBuffers(1, &vertexBuffer);
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glDeleteBuffers(1, &vertexIndexBuffer);
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glDeleteVertexArrays(1, &vertexArray);
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}
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};
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void DrawContext(RenderContext& context);
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void deleteVAO(GLuint VAO);
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}
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