From 7b742e913f0f04b70dc5294127584b6ff111b482 Mon Sep 17 00:00:00 2001
From: Faerbit <faerbit@gmail.com>
Date: Mon, 16 Mar 2015 16:58:50 +0100
Subject: [PATCH] Introduced chunk class.

---
 game/chunk.cc  | 21 +++++++++++++++++++++
 game/chunk.hh  | 17 +++++++++++++++++
 game/level.cc  | 25 ++++++++++++-------------
 game/level.hh  | 11 +++++++----
 game/loader.cc |  3 ++-
 5 files changed, 59 insertions(+), 18 deletions(-)
 create mode 100644 game/chunk.cc
 create mode 100644 game/chunk.hh

diff --git a/game/chunk.cc b/game/chunk.cc
new file mode 100644
index 0000000..d7d381d
--- /dev/null
+++ b/game/chunk.cc
@@ -0,0 +1,21 @@
+#include "chunk.hh"
+
+Chunk::Chunk() {
+}
+
+Chunk::~Chunk() {
+    for(unsigned int i = 0; i<objects.size(); i++) {
+        delete objects.at(i);
+    }
+}
+
+void Chunk::render(SharedShaderProgram shader, bool lightingPass, bool texturePass,
+    glm::mat4* viewProjcetionMatrix, std::vector<glm::mat4>* additionalMatrices) {
+    for(unsigned int i = 0; i<objects.size(); i++) {
+        objects.at(i)->render(shader, lightingPass, texturePass, viewProjcetionMatrix, additionalMatrices);
+    }
+}
+
+void Chunk::addObject(Object* object) {
+    objects.push_back(object);
+}
diff --git a/game/chunk.hh b/game/chunk.hh
new file mode 100644
index 0000000..bc9d603
--- /dev/null
+++ b/game/chunk.hh
@@ -0,0 +1,17 @@
+#pragma once
+
+#include "object.hh"
+#include <ACGL/OpenGL/Objects.hh>
+
+using namespace ACGL::OpenGL;
+
+class Chunk {
+    public:
+        Chunk();
+        ~Chunk();
+        void render(SharedShaderProgram shader, bool lightingPass, bool texturePass,
+            glm::mat4* viewProjcetionMatrix, std::vector<glm::mat4>* additionalMatrices=0);
+        void addObject(Object* object);
+    private:
+        std::vector<Object*> objects;
+};
diff --git a/game/level.cc b/game/level.cc
index 69fab74..f1fe491 100644
--- a/game/level.cc
+++ b/game/level.cc
@@ -16,9 +16,6 @@ Level::~Level() {
     if (luaState!=nullptr) {
         lua_close(luaState);
     }
-    for(unsigned int i = 0; i<objects.size(); i++) {
-        delete(objects.at(i));
-    }
     delete(waterPlane);
 }
 
@@ -55,12 +52,12 @@ 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<objects.size(); i++) {
+    for(unsigned int i = 0; i<chunks.size(); i++) {
         if (lightingPass) {
-            objects.at(i)->render(shader, lightingPass, true, viewProjectionMatrix, shadowVPs);
+            chunks.at(i).render(shader, lightingPass, true, viewProjectionMatrix, shadowVPs);
         }
         else {
-            objects.at(i)->render(shader, lightingPass, false, viewProjectionMatrix, shadowVPs);
+            chunks.at(i).render(shader, lightingPass, false, viewProjectionMatrix, shadowVPs);
         }
     }
     if (lightingPass && waterPlane) {
@@ -191,8 +188,8 @@ float Level::getSkydomeSize() {
     return this->skydomeSize;
 }
 
-std::vector<Object*>* Level::getObjects() {
-    return &objects;
+std::vector<Object*>* Level::getAllObjects() {
+    return &allObjects;
 }
 
 std::vector<Object*>* Level::getPhysicsObjects() {
@@ -229,7 +226,8 @@ void Level::setSkydomeObject(Skydome object){
 }
 
 void Level::addObject(Object* object) {
-    objects.push_back(object);
+    allObjects.push_back(object);
+    chunks.at(0).addObject(object);
 }
 
 void Level::addPhysicsObject(Object* object) {
@@ -267,10 +265,6 @@ Physics* Level::getPhysics() {
     return &physics;
 }
 
-unsigned int Level::getObjectsVectorSize() {
-    return objects.size();
-}
-
 unsigned int Level::getPhysicsObjectsVectorSize() {
     return physicsObjects.size();
 }
@@ -337,3 +331,8 @@ void Level::printPosition() {
     printf("Player position: %2.2f, %2.2f, %2.2f\n", cameraCenter->getPosition().x,
             cameraCenter->getPosition().y, cameraCenter->getPosition().z);
 }
+
+void Level::generateChunks(int chunkSize) {
+    chunks = std::vector<Chunk>(1);
+    chunks.at(0) = Chunk();
+}
diff --git a/game/level.hh b/game/level.hh
index 53a4db8..7c4b0ef 100644
--- a/game/level.hh
+++ b/game/level.hh
@@ -12,6 +12,7 @@
 #include "trigger.hh"
 #include "skydome.hh"
 #include "keyboardState.hh"
+#include "chunk.hh"
 
 extern "C" {
     #include "lua.h"
@@ -43,7 +44,7 @@ class Level {
         float getSkydomeSize();
         void setWaterPlane(Object* water);
         Skydome* getSkydome();
-        std::vector<Object*>* getObjects();
+        std::vector<Object*>* getAllObjects();
         std::vector<Object*>* getPhysicsObjects();
         void moveObject(int objectIndex, float strength, float xPos, float yPos, float zPos);
         void setStrength(float strength);
@@ -56,9 +57,8 @@ class Level {
         void setFogColourNight(glm::vec4 colour);
         void setDirectionalLight(Light light);
         void setSunDirection(float x, float y, float z);
-        Physics* getPhysics();
-        unsigned int getObjectsVectorSize();
         unsigned int getPhysicsObjectsVectorSize();
+        Physics* getPhysics();
         void setCameraCenter(Object* object);
         void addLight(Light light);
         void preloadLightPosition(float xPos, float yPos, float zPos);
@@ -74,10 +74,13 @@ class Level {
         void activateEndgame();
         void setTerrain(Terrain terrain);
         void printPosition();
+        void generateChunks(int chunkSize);
     private:
         lua_State* luaState=nullptr;
-        std::vector<Object*> objects;
+        std::vector<Object*> crossChunkObjects;
+        std::vector<Object*> allObjects;
         std::vector<Object*> physicsObjects;
+        std::vector<Chunk> chunks;
         std::vector<Light> lights;
         std::vector<Trigger> triggers;
         Object* waterPlane;
diff --git a/game/loader.cc b/game/loader.cc
index 835a38b..e773082 100644
--- a/game/loader.cc
+++ b/game/loader.cc
@@ -82,6 +82,7 @@ void Loader::load(std::string filePath, Level* level, std::string compositionsPa
     level->setTerrain(terrain);
     // Because object gets copied a lot load it when it has reached it's final destination
     level->getTerrain()->load();
+    level->generateChunks(50.0f);
     Model terrainModel = Model(level->getTerrain()->getModel());
     std::string terrainTexture = queryString(terrainElement, "texture");
     float terrainAmbientFactor = queryFloat(terrainElement, "ambientFactor");
@@ -341,7 +342,7 @@ void Loader::load(std::string filePath, Level* level, std::string compositionsPa
                             
                             //create an identifier for this object
                             std::vector<int> objectIdentifier = std::vector<int>(5);
-                            objectIdentifier[0] = level->getObjectsVectorSize()-1;
+                            objectIdentifier[0] = level->getAllObjects()->size()-1;
                             if (physicType.compare("None") == 0){
                                 objectIdentifier[1] = 0;
                             }else{