Now also using the correct chunks for the objects and rendering only the chunks which are necessary.

game/application.cc

@@ -22,7 +22,7 @@ void Application::init()
 }
 
 void Application::initLevel() {
-    this->level = Level(levelXmlPath);
+    this->level = Level(levelXmlPath, farPlane);
     level.getPhysics()->init(geometryPath);
     // Don't change this!
     ignoredMouseUpdates = 0;

game/level.cc

@@ -2,11 +2,12 @@
 #include "loader.hh"
 #include <string>
 
-Level::Level(std::string xmlFilePath){
+Level::Level(std::string xmlFilePath, float farPlane){
     // default value
     skydomeSize = 50.0f;
     physics = Physics();
     this->xmlFilePath = xmlFilePath;
+    this->farPlane = farPlane;
 }
 
 Level::Level() {
@@ -52,8 +53,33 @@ void Level::load() {
 
 void Level::render(ACGL::OpenGL::SharedShaderProgram shader, bool lightingPass,
         glm::mat4* viewProjectionMatrix, std::vector<glm::mat4>* shadowVPs) {
-    for(unsigned int i = 0; i<chunks.size(); i++) {
-        for(unsigned int j = 0; j<chunks.at(i).size(); j++) {
+    int renderDistance = 0;
+    if ((int)farPlane % chunkSize == 0) {
+        renderDistance = farPlane/chunkSize;
+    }
+    else {
+        renderDistance = (farPlane/chunkSize) + 1;
+    }
+    int xPosition = ((int)cameraCenter->getPosition().x + (terrain.getHeightmapWidth()/2))/chunkSize;
+    int zPosition = ((int)cameraCenter->getPosition().z + (terrain.getHeightmapHeight()/2))/chunkSize;
+    int xStart = xPosition - renderDistance;
+    unsigned int xEnd = xPosition + renderDistance;
+    int zStart = zPosition - renderDistance;
+    unsigned int zEnd = zPosition + renderDistance;
+    if (xStart < 0) {
+        xStart = 0;
+    }
+    if (zStart < 0) {
+        zStart = 0;
+    }
+    if (xEnd >= chunks.size()) {
+        xEnd = chunks.size()-1;
+    }
+    if (zEnd >= chunks.at(0).size()) {
+        zEnd = chunks.at(0).size()-1;
+    }
+    for(unsigned int i = xStart; i<=xEnd; i++) {
+        for(unsigned int j = zStart; j<=zEnd; j++) {
             if (lightingPass) {
                 chunks.at(i).at(j).render(shader, lightingPass, true, viewProjectionMatrix, shadowVPs);
             }
@@ -229,8 +255,13 @@ void Level::setSkydomeObject(Skydome object){
 
 void Level::addObject(Object* object) {
     allObjects.push_back(object);
-    //int xPosition = object->getPosition().x - terrain.getHeightmapHeight
-    chunks.at(0).at(0).addObject(object);
+    int xPosition = ((int)object->getPosition().x + (terrain.getHeightmapWidth()/2))/chunkSize;
+    int zPosition = ((int)object->getPosition().z + (terrain.getHeightmapHeight()/2))/chunkSize;
+    chunks.at(xPosition).at(zPosition).addObject(object);
+}
+
+void Level::addToSpecificChunk(Object* object, int xPosition, int zPosition) {
+    chunks.at(xPosition).at(zPosition).addObject(object);
 }
 
 void Level::addPhysicsObject(Object* object) {

game/level.hh

@@ -23,7 +23,7 @@ extern "C" {
 
 class Level {
     public:
-        Level(std::string xmlFilePath);
+        Level(std::string xmlFilePath, float farPlane);
         Level();
         ~Level();
         void load();
@@ -76,6 +76,7 @@ class Level {
         void printPosition();
         void generateChunks(int chunkSize);
         std::vector<std::vector<Chunk>>* getChunks();
+        void addToSpecificChunk(Object* object, int xPosition, int zPosition);
     private:
         lua_State* luaState=nullptr;
         std::vector<Object*> crossChunkObjects;
@@ -100,7 +101,8 @@ class Level {
         float strength;
         std::string xmlFilePath;
         glm::vec3 nextLightPosition;
-        float chunkSize;
+        int chunkSize;
+        float farPlane;
 };
 
 #endif

game/loader.cc

@@ -103,7 +103,7 @@ void Loader::load(std::string filePath, Level* level, std::string compositionsPa
             Object* terrainObject = new Object(terrainModel, terrainMaterial,
             glm::vec3(-0.5*((float)level->getTerrain()->getHeightmapHeight()-1), 0.0f, -0.5f*((float)level->getTerrain()->getHeightmapWidth()-1)),
                 glm::vec3(0.0f, 0.0f, 0.0f), true);
-            level->addObject(terrainObject);
+            level->addToSpecificChunk(terrainObject, i, j);
         }
     }
     level->getPhysics()->addTerrain(level->getTerrain()->getHeightmapWidth(), level->getTerrain()->getHeightmapHeight(), level->getTerrain()->getHeightmap());

game/terrain.cc

@@ -38,11 +38,11 @@ SharedVertexArrayObject Terrain::makeTriangleMesh(int startX, int startZ, int en
     if (startZ < 0) {
         startZ = 0;
     }
-    if (endX > heightmapHeight) {
-        endX = heightmapHeight;
+    if (endX > heightmapWidth) {
+        endX = heightmapWidth;
     }
-    if (endZ > heightmapWidth) {
-        endZ = heightmapWidth;
+    if (endZ > heightmapHeight) {
+        endZ = heightmapHeight;
     }
 
     SharedArrayBuffer ab = SharedArrayBuffer(new ArrayBuffer());