#pragma once

/// @brief ViewPort의 게임관련 인터페이스( 툴 말구 )

#include "KViewport.h"
#include <toolkit/XFlag.h>
#include <dump/XException.h>
#include <toolkit/khash.h>
#include "TerrainPrimitiveFor4Stage.h"

class K3DVertexBuffer;
class KMeshPrimitive;
class CTerrainPrimitive;

class SRenderTargetContainer
{
public:
	virtual K3DRenderTarget * GetRenderTarget(int index, void * pr)	{ return NULL; }
};


// DP debug용 
//#define _DEBUG_DPCOUNT
#ifdef _DEBUG_DPCOUNT
	void __startOneFrame();
	void __endOneFrame();
	void __startRenderToViewport(LPCSTR viewportName);
	void __addRenderItem(LPCSTR name,int DP, int face, LARGE_INTEGER counter1,  LARGE_INTEGER counter2);

	#define START_ONE_FRAME() __startOneFrame()
	#define END_ONE_FRAME() __endOneFrame()

	#define START_RENDER_VIEWPORT(name) __startRenderToViewport(name)
	
	#define START_DPCOUNT(__name)\
	LARGE_INTEGER __counter; QueryPerformanceCounter(&__counter);\
	LPCSTR __outputname = __name;\
	K3DRenderDeviceDX* __pDXDev = static_cast<K3DRenderDeviceDX*>(m_dev);\
	int __totalDP = __pDXDev->GetDPCount();\
	int __totalFace = __pDXDev->GetPolyCount()

	#define END_DPCOUNT()\
	LARGE_INTEGER __counter2;\
	QueryPerformanceCounter(&__counter2);\
	__addRenderItem(__outputname, __pDXDev->GetDPCount() - __totalDP, __pDXDev->GetPolyCount() - __totalFace, __counter,__counter2);

	#define START_PROFILE_JOB(__name)\
	LARGE_INTEGER __counter; QueryPerformanceCounter(&__counter);\
	LPCSTR __outputname = __name

	#define END_PROFILE_JOB()\
	LARGE_INTEGER __counter2;\
	QueryPerformanceCounter(&__counter2);\
	__addRenderItem(__outputname, 1,0, __counter, __counter2);
	

#else
	#define START_ONE_FRAME()
	#define END_ONE_FRAME()
	#define START_RENDER_VIEWPORT(name)
	#define START_DPCOUNT(name)
	#define END_DPCOUNT()
	#define START_PROFILE_JOB(name)
	#define END_PROFILE_JOB()
#endif



class SViewPort : public KViewportObject
{
public:

	SViewPort( DWORD attr, bool bClearColorBuffer = true, bool bClearDepthBuffer = true );
	virtual ~SViewPort();

	virtual void Initilaize( K3DRenderDevice *dev, const KViewportStruct &viewarea, float nearClip, float farClip );

	virtual void Register( K3DPrimitive *pr, DWORD flag );
	virtual void Render( K3DRenderTarget *pRT, DWORD flag = 0, bool bClearRegister = true );

	void BeginRender();
	void EndRender(bool bClearRegister);
	virtual void Render( bool bClearRegister = true, bool bSetRenderTarget = true );
	virtual void ClearRegisteredList();

	//쉐도우 맵 관련
	//bool InitShadow();

	virtual void SetRenderFlag( int nFlag );

//#ifndef NDEBUG
//	void SetDebugMode( bool bDebugMode ) { m_bDebugMode = bDebugMode; }
//#endif

	//void SetRenderBumpMapMode( bool bRender );
	//bool GetRenderBumpMapMode();

	void SetSelfShadowAmbientFactor( float fFactor );

protected:

	//void RenderShadowViewPort();
	void RenderSky();
	void RenderCloud();
	void RenderLightning();	//<! [sonador][2007.04.11] Rendering method of SGameLightningStroke
	void RenderWeather();	//<! [sonador][2007.03.19] Rendering method of SGameWeather
	void RenderTerrain( bool bCheckOcclusionCull );
	void RenderTerrainShadow(SRenderTargetContainer *cont1, SRenderTargetContainer *cont2);
	//void RenderBuilding(SRenderTargetContainer *cont1, SRenderTargetContainer *cont2);
	//void RenderAlphaBuilding(SRenderTargetContainer *cont1, SRenderTargetContainer *cont2);

	void RenderBranch(bool renderTransparentOrOpaque=false);		// true : render transparent only, false : render opaque only
	void RenderFrond(bool renderTransparentOrOpaque=false);
	void RenderLeaf(bool renderTransparentOrOpaque=false);
	void RenderTreeBillboard();
	void RenderSpeedGrass();
	//void RenderPathEffect();
	void RenderQuadPrimitive();
	void RenderLinePrimitive();
	void RenderPolyLinePrimitive();

	void RenderPrList( vec_rendermesh& renderlist, SRenderTargetContainer *cont1, SRenderTargetContainer *cont2);
	void RenderPrAlphaList( vec_rendermesh& renderlist, SRenderTargetContainer *cont1, SRenderTargetContainer *cont2);
	void RenderPrAlphaList(SRenderTargetContainer *cont1, SRenderTargetContainer *cont2, KCustomVector< const RENDER_MESHEX* >& vMesh, K3DVector & vecCam, bool bEnableAdditive );

	void RenderPrAdditiveList(SRenderTargetContainer *cont1, SRenderTargetContainer *cont2);

	void RenderBliiboardList();
	void RenderAdditiveBliiboard();

	void RenderLensflare();
	void RenderSprite();
	void RenderWirePrimitive();

	void RenderHighQualityWater();	

	void SetSpeedGrassShaderConstants();

	virtual bool DrawWater()  { assert(0); return false; }

	void SetOldBlendMode( int nBlendMode, bool bReset = false );
	void SetOldBlendFlag( int nFlag = 0 );
protected:
//	float									m_afLighting[12];
	XFlag< int >						    m_nRenderFlag;	///< int 1개 크기의 플래그 생성.

//#ifndef NDEBUG
//	bool				m_bDebugMode;
//#endif

	bool m_bRenderSelfShadow;
	//bool m_bRenderBumpMap;

	float m_fSelfShadowAmbientFactor;

	struct TerrainLess
	{
		bool operator()( CTerrainPrimitiveFor4Stage& a, CTerrainPrimitiveFor4Stage& b )
		{
			return ( a > b );
		}
		bool operator()( CTerrainPrimitiveFor4Stage* a, CTerrainPrimitiveFor4Stage* b )
		{
			return ( a->m_fLengthByCamera < b->m_fLengthByCamera );
			return ( a > b );
		}
	};
	struct MeshLess
	{
		bool operator()( RENDER_MESHEX &a, RENDER_MESHEX &b )
		{
			return ( a < b ); // sonador 1.6.2	프랍 렌더링시 정렬 문제 해결
		}
	};
	struct TransMeshLess
	{
		bool operator()( RENDER_MESHEX& a, RENDER_MESHEX& b )
		{
			if( a.bForcePriority || b.bForcePriority || ( fabsf( a - b ) < 50.0f && a.dwPriority != b.dwPriority ) )
				return ( a.dwPriority < b.dwPriority );

			return ( a < b ); // sonador 1.6.2	프랍 렌더링시 정렬 문제 해결
		}
	};

	int				m_nOldBlendMode;
	int				m_nOldBlend_Flag;
};