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2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/Cry3DEngine/DecalManager.h
+++ b/Cry3DEngine/DecalManager.h
@@ -0,0 +1,86 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2002.
+// -------------------------------------------------------------------------
+//  File name:   decalmanager.h
+//  Version:     v1.00
+//  Created:     28/5/2001 by Vladimir Kajalin
+//  Compilers:   Visual Studio.NET
+//  Description: 
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#ifndef DECAL_MANAGER
+#define DECAL_MANAGER
+
+#define DECAL_COUNT (512)
+#define ENTITY_DECAL_DIST_FACTOR (200)
+
+class C3DEngine;
+
+class CDecal
+{
+public:
+
+  // cur state
+  Vec3d  m_vPos;
+  Vec3d  m_vRight, m_vUp, m_vFront;
+  float  m_fSize;
+	Vec3d  m_vWSPos;
+	float  m_fWSSize;
+
+  // life style
+  float					m_fLifeEndTime;
+  int						m_nTexId;
+  float					m_fAngle;
+  IStatObj *		m_pStatObj;
+  uint					m_nDynLMask;
+  Vec3d					m_vAmbient;
+	IEntityRender * m_pDecalOwner;
+	int						m_nDecalOwnerComponentId;
+	bool					m_bOnTheGround;
+	float					m_fGrowTime;
+	float					m_fLifeBeginTime;
+
+	// todo: move it into separate structure
+	CLeafBuffer * m_pBigDecalLeafBuffer;
+	float					m_arrBigDecalCustomData[16];
+
+  CDecal() { ZeroStruct(*this); }
+  void Process(bool & active, IRenderer * pIRenderer, const float fFrameTime, C3DEngine * p3DEngine, IShader * pShader, CCamera* pCamera, float fSortOffset);
+	void DrawBigDecalOnTerrain(C3DEngine * p3DEngine, IRenderer * pIRenderer,	float fCurrTime);
+  void Render3DObject();
+	void DrawComplexDecal(IRenderer * pIRenderer);
+};
+
+class CDecalManager : public Cry3DEngineBase
+{
+  CDecal m_arrDecals[DECAL_COUNT];
+  bool m_arrbActiveDecals[DECAL_COUNT];
+  int m_nCurDecal;
+  C3DEngine * m_p3DEngine;
+  list2<CDecal> m_LightHoles;
+  IShader * m_pShader_ParticleLight, * m_pShader_Decal_VP, * m_pShader_Decal_2D_VP;
+public:
+  
+  CDecalManager(C3DEngine * p3DEngine);
+  void Spawn(CryEngineDecalInfo Decal, float fMaxViewDistance, CTerrain * pTerrain);
+  void Render();
+  void SubmitLightHolesToRenderer();
+  void DrawBigDecalsOnTerrain();
+	void OnEntityDeleted(IEntityRender * pEntityRS);
+	
+	// complex decals
+	void FillBigDecalIndices(CLeafBuffer * pLeafBuffer, Vec3d vPos, float fRadius, Vec3d vProjDir, list2<ushort> * plstIndices);
+	CLeafBuffer * MakeBigDecalLeafBuffer(CLeafBuffer * pSourceLeafBuffer, Vec3d vPos, float fRadius, Vec3d vProjDir, int nTexID);
+	void GetMemoryUsage(ICrySizer*pSizer);
+	void Reset() { memset(m_arrbActiveDecals,0,sizeof(m_arrbActiveDecals)); m_nCurDecal=0; }
+	void DeleteDecalsInRange( Vec3d vBoxMin, Vec3d vBoxMax, bool bDeleteBigTerrainDecals);
+	bool AdjustDecalPosition( CryEngineDecalInfo & DecalInfo, bool bMakeFatTest );
+	bool RayLeafBufferIntersection(CLeafBuffer * pLeafBuffer, const Vec3d & vInPos, const Vec3d & vInDir, Vec3d & vOutPos, Vec3d & vOutNormal);
+};
+
+#endif // DECAL_MANAGER