src/start.cpp

@@ -11,14 +11,28 @@
 #include "Camera.h"
 #include "Texture.h"
 #include "Physics.h"
+#include "Skybox.h"
+
+#define STB_IMAGE_IMPLEMENTATION
+#include "stb_image.h"
 
 Core::Shader_Loader shaderLoader;
 GLuint programColor;
 GLuint programTexture;
+GLuint programSkybox;
+GLuint cubemapTexture;
+GLuint skyboxVAO, skyboxVBO;
 
-obj::Model planeModel, spaceshipModel, boosterModel;
-Core::RenderContext planeContext, spaceshipContext, boosterContext;
-GLuint boxTexture, groundTexture;
+obj::Model planeModel;
+obj::Model boxModel;
+obj::Model shipModel;
+obj::Model boosterModel;
+obj::Model platformModel;
+obj::Model craneModel;
+obj::Model lampModel;
+glm::mat4 boxModelMatrix;
+Core::RenderContext planeContext, boxContext, shipContext, boosterContext, platformContext, craneContext, lampContext;
+GLuint boxTexture, groundTexture, shipTexture, stoneTexture, redTex;
 
 glm::vec3 cameraPos = glm::vec3(0, 5, 40);
 glm::vec3 cameraDir;
@@ -27,6 +41,18 @@ float cameraAngle = 0;
 glm::mat4 cameraMatrix, perspectiveMatrix;
 
 glm::vec3 lightDir = glm::normalize(glm::vec3(0.5, -1, -0.5));
+glm::vec3 lightPos = glm::vec3(-15.75, 2, 0);
+
+// skybox
+std::vector<std::string> faces
+{
+    "textures/skybox/stars.jpeg",
+    "textures/skybox/stars.jpeg",
+    "textures/skybox/stars.jpeg",
+    "textures/skybox/stars.jpeg",
+    "textures/skybox/stars.jpeg",
+    "textures/skybox/stars.jpeg",
+};
 
 
 // Initalization of physical scene (PhysX)
@@ -59,16 +85,27 @@ void initRenderables()
 {
     // load models
     planeModel = obj::loadModelFromFile("models/plane.obj");
-    spaceshipModel = obj::loadModelFromFile("models/ship.obj");
+    boxModel = obj::loadModelFromFile("models/box.obj");
+    shipModel = obj::loadModelFromFile("models/ship.obj");
     boosterModel = obj::loadModelFromFile("models/booster.obj");
+    platformModel = obj::loadModelFromFile("models/platform4.obj");
+    craneModel = obj::loadModelFromFile("models/crane.obj");
+    lampModel = obj::loadModelFromFile("models/lamp2.obj");
 
     planeContext.initFromOBJ(planeModel);
-    spaceshipContext.initFromOBJ(spaceshipModel);
+    boxContext.initFromOBJ(boxModel);
+    shipContext.initFromOBJ(shipModel);
     boosterContext.initFromOBJ(boosterModel);
+    platformContext.initFromOBJ(platformModel);
+    craneContext.initFromOBJ(craneModel);
+    lampContext.initFromOBJ(lampModel);
 
     // load textures
     groundTexture = Core::LoadTexture("textures/sand.jpg");
     boxTexture = Core::LoadTexture("textures/a.jpg");
+    shipTexture = Core::LoadTexture("textures/ship.png");
+    stoneTexture = Core::LoadTexture("textures/stone.png");
+    redTex = Core::LoadTexture("textures/redTex.png");
 
     // This time we organize all the renderables in a list
     // of basic properties (model, transform, texture),
@@ -83,12 +120,12 @@ void initRenderables()
 
     Renderable* booster = new Renderable();
     booster->context = &boosterContext;
-    booster->textureId = boxTexture;
+    booster->textureId = shipTexture;
     renderables.emplace_back(booster);
 
     Renderable* spaceship = new Renderable();
-    spaceship->context = &spaceshipContext;
-    spaceship->textureId = boxTexture;
+    spaceship->context = &shipContext;
+    spaceship->textureId = shipTexture;
     renderables.emplace_back(spaceship);
 }
 
@@ -200,6 +237,7 @@ void drawObjectColor(Core::RenderContext* context, glm::mat4 modelMatrix, glm::v
 
     glUniform3f(glGetUniformLocation(program, "objectColor"), color.x, color.y, color.z);
     glUniform3f(glGetUniformLocation(program, "lightDir"), lightDir.x, lightDir.y, lightDir.z);
+    glUniform3f(glGetUniformLocation(program, "lightPos"), lightPos.x, lightPos.y, lightPos.z);
 
     glm::mat4 transformation = perspectiveMatrix * cameraMatrix * modelMatrix;
     glUniformMatrix4fv(glGetUniformLocation(program, "modelViewProjectionMatrix"), 1, GL_FALSE, (float*)&transformation);
@@ -217,6 +255,7 @@ void drawObjectTexture(Core::RenderContext * context, glm::mat4 modelMatrix, GLu
     glUseProgram(program);
 
     glUniform3f(glGetUniformLocation(program, "lightDir"), lightDir.x, lightDir.y, lightDir.z);
+    glUniform3f(glGetUniformLocation(program, "lightPos"), lightPos.x, lightPos.y, lightPos.z);
     Core::SetActiveTexture(textureId, "textureSampler", program, 0);
 
     glm::mat4 transformation = perspectiveMatrix * cameraMatrix * modelMatrix;
@@ -247,11 +286,13 @@ void renderScene()
 
     // Update of camera and perspective matrices
     cameraMatrix = createCameraMatrix();
-    perspectiveMatrix = Core::createPerspectiveMatrix();
+    perspectiveMatrix = Core::createPerspectiveMatrix(0.1f, 1000.f);
 
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glClearColor(0.0f, 0.1f, 0.3f, 1.0f);
 
+    Skybox::drawSkybox(programSkybox, cameraMatrix, perspectiveMatrix, cubemapTexture);
+
     // update transforms from physics simulation
     updateTransforms();
 
@@ -282,6 +323,9 @@ void init()
     glEnable(GL_DEPTH_TEST);
     programColor = shaderLoader.CreateProgram("shaders/shader_color.vert", "shaders/shader_color.frag");
     programTexture = shaderLoader.CreateProgram("shaders/shader_tex.vert", "shaders/shader_tex.frag");
+    programSkybox = shaderLoader.CreateProgram("shaders/shader_skybox.vert", "shaders/shader_skybox.frag");
+
+    cubemapTexture = Skybox::loadCubemap(faces);
 
     initRenderables();
     initPhysicsScene();
@@ -292,6 +336,14 @@ void shutdown()
 {
     shaderLoader.DeleteProgram(programColor);
     shaderLoader.DeleteProgram(programTexture);
+
+    planeContext.initFromOBJ(planeModel);
+    boxContext.initFromOBJ(boxModel);
+    shipContext.initFromOBJ(shipModel);
+    boosterContext.initFromOBJ(boosterModel);
+    platformContext.initFromOBJ(platformModel);
+    craneContext.initFromOBJ(craneModel);
+    lampContext.initFromOBJ(lampModel);
 }
 
 void idle()
@@ -305,7 +357,7 @@ int main(int argc, char ** argv)
     glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGBA);
     glutInitWindowPosition(200, 200);
     glutInitWindowSize(600, 600);
-    glutCreateWindow("OpenGL + PhysX");
+    glutCreateWindow("Projekt GRK");
     glewInit();
 
     init();