port from perforce

evoke-64k/trunk/ev10/PSSM.h

@@ -0,0 +1,63 @@
+#pragma once
+
+/***********************************************************************************/
+/**	\file				PSSM.h
+**	\brief				Header File zur Klasse PSSM
+*************************************************************************************
+**	Autor:				Christian Roesch
+*************************************************************************************
+**	_tut nichts_
+**
+*//*********************************************************************************/
+
+#ifndef _PSSM_H
+#define _PSSM_H
+
+// includes
+#include <d3dx9.h>
+
+#include <cassert>
+
+// Klassen-Deklaration
+extern IDirect3DDevice9* g_d3d_device;
+
+/***********************************************************************************/
+/** \brief	PSSM _tut nichts_
+*************************************************************************************
+**	Genau genommen _tut dies nichts_
+**
+*//*********************************************************************************/
+
+class	PSSM
+{
+public:
+	static const int MaxSplitCount = 16;
+
+	void Init();
+
+	void UpdateSplits(const D3DXVECTOR3 &vLightDir, const D3DXMATRIX &mView, const D3DXMATRIX &mProj);
+
+	int m_iSplitCount;
+	float m_fRange;
+
+	D3DXMATRIX m_ViewMatrices[MaxSplitCount];
+	D3DXMATRIX m_ProjMatrices[MaxSplitCount];
+	D3DXVECTOR3 m_ViewPos[MaxSplitCount];
+	D3DXVECTOR3 m_ViewDir[MaxSplitCount];
+
+private:
+	void ComputeCornerPoints(D3DXVECTOR3 *pCorners,
+		float fNear, float fFar, float fFTanHalfFOVX, float fTanHalfFOVY,
+		const D3DXVECTOR3 &vCamPos, const D3DXVECTOR3 &vCamRight,
+		const D3DXVECTOR3 &vCamUp, const D3DXVECTOR3 &vCamLook,
+		float fOverlap);
+};
+
+#endif//_PSSM_H
+
+class	PSSM;
+
+
+/************************************************************************************
+**	Ende der Datei:		PSSM.h
+************************************************************************************/