#pragma once
#include "renderer.h"
#include "RenderPass.h"

#define SPTR boost::shared_ptr
#define WPTR boost::weak_ptr

class RaytraceRenderer :
	public Renderer
{

public:				


	RaytraceRenderer(void);
	~RaytraceRenderer(void);

	virtual void init();
	virtual void render();

	HRESULT CALLBACK OnCreateDevice( IDirect3DDevice9* pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc );
	virtual HRESULT OnResetDevice( IDirect3DDevice9* pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext );
	void     OnLostDevice(void* pUserContext );
	void     OnDestroyDevice(void* pUserContext );
	void RenderSceneInitialization();
	IDirect3DTexture9* CreateTexture( int size, D3DFORMAT Format );
	IDirect3DCubeTexture9* CreateCubeTexture( int size, D3DFORMAT Format );
	IDirect3DSurface9* CreateDepthStencilSurface( int size );
	void	CreateVertexBuffer();
	virtual void setCurrentTexture(IDirect3DTexture9* texture);
	void setFresnelFactor(float _fresnel);
	void setRefractionIndex(float _refraction);
	void setNumberOfIterations(int _nbIteration);
	virtual bool isLowerThan(Renderer* renderer);
	D3DXMATRIX* getCubeMapProjectionMatrix();
	D3DXMATRIX getCubeMapView(int nbView);
	IDirect3DSurface9* getCubeMapSurface(int nbView);

	void blurDepthPass(int face);
	void renderRefractionMap();
	bool needsUpdate();
	void renderDepth();
protected:
	float nextUpdate;
	int counter;
	bool tempRenderMyNode;

	RenderPass rpDistance;

	D3DXMATRIX cubeMapProjectionMat;
	LPDIRECT3DSURFACE9 pCubeMapDistSurf;
	

enum {
	RENDER_ROOM_COLOR_DISTANCE,
	RENDER_ROOM_UV,
	RENDER_REFRACT_OBJECT_SCREEN,
	};

	ID3DXEffect*				 g_pEffect;							// D3DX effect interface
	LPDIRECT3DSURFACE9			 g_pRenderTargetSurfaceOld;			// Store the original Screen's surface 
	LPDIRECT3DSURFACE9			 g_pDepthStencilSurfaceOld;			// Store the original Screen's DSS 

	// Cube map textures
	IDirect3DCubeTexture9*       g_pRoomColorDistCubeMapTexture;		// CubeMap for store: Color + Distance
	//IDirect3DCubeTexture9*       g_pRoomUVCubeMapTexture;			// CubeMap for store: UV + ObjectID

	IDirect3DSurface9*           g_pCubeMapDepthStencilSurface;		// Depth-stencil buffer for rendering to cube texture
	IDirect3DSurface9*           g_pDepthStencilSurface;				// Depth-stencil buffer for Room Texture

	bool						 g_bInitialization;					// Initialization is in progress
	bool						 g_bUseDistanceImpostors;			// Use distance impostor method

	// Matrices
	D3DXMATRIXA16				 g_mWorldCenterObject;						// World matrix of the CenterObject (scaling & offset)
	D3DXMATRIXA16				 g_mWorldViewLight;							// Light's worldview matrix

	// Floats
	float						 g_fFresnelFactor;							// The Fresnel factor
	float						 g_fRefractionIndex;						// The Refraction index
	D3DXVECTOR3					 g_vCenterObjectPos;						// Define the offset of the CenterObject 
	int							 g_iNumberOfIteration;					// The number of the iteration of the algorithm.
};