Added 3D picking of models to renderer

include/Engine/Rendering/Renderer.h

@@ -7,6 +7,7 @@
 #include "ShaderProgram.h"
 //TODO: Temp resourceManager
 #include "../Core/ResourceManager.h"
+#include "Util/UnorderedMapVec2.h"
 
 class Renderer : public IRenderer
 {
@@ -20,16 +21,41 @@ private:
 	RenderQueueCollection m_TempRQ;
 	Texture* m_ErrorTexture;
 	Texture* m_WhiteTexture;
-	float m_CameraMoveSpeed = 3.f;
+	float m_CameraMoveSpeed;
+    GLuint m_PickingBuffer;
+    GLuint m_PickingTexture;
+    GLuint m_DepthBuffer;
+
+    Model* m_ScreenQuad;
+    Model* m_UnitQuad;
+    Model* m_UnitSphere;
+
+    //Temporary
+    Model* m;
+    Model* m2;
+    Model* m3;
+    Model* MapModel;
+
+    
+    std::unordered_map<glm::vec2, const Model*> m_PickingColorsToModels;
+
 	//----------------------Functions----------------------//
 	void InitializeWindow();
 	void InitializeShaders();
+    void InitializeTextures();
+    void InitializeFrameBuffers();
 	//TODO: Render: Remove ModelsToDraw from Renderer.
 	void ModelsToDraw();
 	void EnqueueModel(Model* model);
 	void InputUpdate(double dt);
+    void PickingPass();
+    void DrawScreenQuad(GLuint textureToDraw);
+    glm::vec3 GetClickedPixelData(float x, float y);
+    void DrawScene(RenderQueueCollection& rq);
 	//--------------------ShaderPrograms-------------------//
 	ShaderProgram m_BasicForwardProgram;
+    ShaderProgram m_PickingProgram;
+    ShaderProgram m_DrawScreenQuadProgram;
 };
 
 #endif

include/Engine/Rendering/ShaderProgram.h

@@ -18,7 +18,6 @@ public:
 	std::string GetFileName() const;
 	GLuint GetHandle() const;
 	bool IsCompiled() const;
-
 protected:
 	GLenum m_ShaderType;
 	std::string m_FileName;
@@ -74,6 +73,7 @@ public:
 	GLuint GetHandle();
 	void Bind();
 	void Unbind();
+    void BindFragDataLocation(int index, std::string name);
 
 private:
 	GLuint m_ShaderProgramHandle;