#pragma once

//Game용 ViewPort

#include "sViewport.h"
#include <toolkit/XFlag.h>
#include <dump/XException.h>

class K3DVertexBuffer;
class KMeshPrimitive;
class SShadowViewPort;

class SGameViewPort : public SViewPort
{
public:
	//enum
	//{
	//	HDR_TYPE_NONE  = 0,
	//	HDR_TYPE_CROSS = 1,
	//	HDR_TYPE_BLUR  = 2,
	//};

	SGameViewPort( bool bClearColorBuffer = true, bool bClearDepthBuffer = true );
	virtual ~SGameViewPort();

	virtual void Initilaize( K3DRenderDevice *dev, const KViewportStruct &viewarea, float nearClip, float farClip );
	void Initilaize( const SGameViewPort* pViewport ); //Child Viewport

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

	virtual void Render( K3DRenderTarget *pRT, DWORD flag = 0, bool bClearRegister = true );
	virtual void Render( bool bClearRegister = true, bool bSetRenderTarget = true );
	virtual void ClearRegisteredList();

	virtual void SetViewArea( const KRect &viewarea );

	virtual void SetCamera( const K3DCamera *cam );

	//void SetUseHDR( bool bUseHDR ) { m_bUseHDR = bUseHDR; }
	//bool GetUseHDR() { return m_bUseHDR; }
	//void SetHDRFactor( int nCross, int nBlur )
	//{ 
	//	if(nCross >= 0) m_nVarFilter01 = nCross; 
	//	if(nBlur  >= 0) m_nVarFilter02 = nBlur; 
	//}

	//void SetHDRType( int nTypeHDR )
	//{
	//	if(nTypeHDR == HDR_TYPE_NONE)
	//	{
	//		m_nTypeHDR = nTypeHDR;
	//	}
	//	else
	//	{
	//		m_nTypeHDR |= nTypeHDR;
	//	}
	//}

	void SetHQWaterHeight( float fHeight );

	//void SetLightPosition( const K3DVector & pos );

	//virtual void SetRenderFlag( int nFlag );

	void SetShadowViewPort( class SShadowViewPort * pViewPort )
	{
		m_pShadowViewPort = pViewPort;
	}
	void SetWaterViewPort( class SWaterViewPort * pViewPort )
	{
		m_pWaterViewPort = pViewPort;
	}

	SShadowViewPort* GetShadowViewPort()
	{
		return m_pShadowViewPort;
	}

	SWaterViewPort* GetWaterViewPort()
	{
		return m_pWaterViewPort;
	}

	int GetBloomEffect()
	{
		return 0;
	}
	void SetBloomEffect( int nLevel ) 
	{ 
	}

	void AllViewPortClear();

	bool DrawWater();

	void SetWaterBumpSpeed( float fSpeed );
	void SetWaterBumpSize( float fSize );

	bool InitHdr();
	void CreateBlurSampler();
	bool CreateHdrBuffers();
	void StartRTSourceScene();
	void ProcessHdr();
	void EndHdr();

	void CreateOcclusionBuffers();
	virtual void OcclusionCulling();

	void SetBlurRadius( float fRadius );
	void SetHdrQuality( int nQuality );
	void SetHdrBlurMixRatio( float fRatio );
	void SetHdrExposure( float fExposure );
	void SetHdrGamma( float fGamma );

	void createPostEffectData(bool enableSelectOutLine);
	void setSelectColor(K3DVector const& color);
	void SetEnableSelectOutLine(bool enable)	{	m_enableSelectOutLine = enable;		}
protected:
	void createSourceSceneRTData();
	void createSelectRTData();
	void createSelectRT();
	void createSelectRTVB(float x, float y, float w, float h);
	/// 화면에 m_spSelectOutLineRT를 블렌딩 해수 렌더링
	void renderSelectOutLineBlend();
	/// m_spSelectRT에 선택한 primitive가 들어 있는 m_prSelectMesh를 렌더링
	void renderSelectRT();
	/// m_rtSelectOutLine에 m_rtSelect에서 외각선을 검출해서 렌더링
	void renderSelectOutLineRT();
	/// m_prSelectMesh 렌더링
	void renderPrSelectList(vec_rendermesh& renderlist);
	void setViewPort(DWORD x, DWORD y, DWORD w, DWORD h, float minz = 0.0f, float maxz = 1.0f);

protected:
	//////////////////////////////////////////////////////////////////////////
	//쉐도우 맵 관련

	// 참조 뷰포트 =============================
	class SShadowViewPort* m_pShadowViewPort;
	class SWaterViewPort* m_pWaterViewPort;

	//HDR=======================================
public:
	enum
	{
		HDR_NUMSAMPLES = 5	///< 전체 span은 이거 * 2 + 1
		//HDR_SAMPLESPAN = 5,
		//HDR_NUMSAMPLES = 13,	// pow( HDR_SAMPLESPAN + 1, 2 ) / 2 - HDR_SAMPLESPAN
	};

	K3DPoint			m_BlurSamplerX[ HDR_NUMSAMPLES * 2 + 1 ];	///< u, v
	K3DPoint			m_BlurSamplerY[ HDR_NUMSAMPLES * 2 + 1 ];	///< u, v
	float				m_fBlurWeight[ HDR_NUMSAMPLES * 2 + 1 ];
	//K3DPoint			m_BlurSampler[ HDR_NUMSAMPLES ];	// u, v
	//float				m_fBlurWeight[ HDR_NUMSAMPLES ];
	K3DRenderTargetSPtr	m_spHdrBlurX;
	K3DRenderTargetSPtr	m_spHdrBlurY;
	K3DRenderTargetSPtr	m_spOcclusionBuffer;
	/// 원본 render texture
	K3DRenderTargetSPtr	m_rtSourceScene;
	/// 선택한 오브젝트를 렌더링하는 render texture
	K3DRenderTargetSPtr  m_rtSelect;
	/// 선택한 오브젝트의 외각 라인을 출력해주는 render texture
	K3DRenderTargetSPtr  m_rtSelectOutLine;
	K3DVertexBufferSPtr	m_vbSelect;
	bool						m_enableSelectOutLine;
	float						m_selectColor[3];
	//K3DRenderTargetSPtr	m_spHdrBlur;
	//K3DRenderTargetSPtr	m_spHDRSource;      // Depth 도 포함
	//K3DRenderTargetSPtr	m_spHDRBlurSource;  // Depth 도 포함 (X) Depth 필요없음 (O)
	//K3DRenderTargetSPtr	m_spHDRBlurTarget;

	float				m_fBlurRadius;
	int					m_nHdrQuality;
	float				m_fHdrBlurMixRatio;
	float				m_fHdrExposure;
	float				m_fHdrGamma;

	bool				m_bRenderShadow;

	//bool				m_bUseHDR;
	//DWORD				m_dwHDR_Factor;
	//
	//short				m_nVarFilter01;
	//short				m_nVarFilter02;

	//short				m_nTypeHDR;

	KViewportStruct		m_backview;


	//Test 용===================================

	K3DVertexBufferSPtr	m_spHdrVb;
	//K3DVertexBufferSPtr m_spShadowVB;

	int				  m_nShadowStride;

	float			m_fWaterBumpSpeed;
	float			m_fWaterBumpSize;
};