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2023-08-07 19:29:24 +08:00
commit 34d6c5d489
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--- a/Cry3DEngine/VisAreas.h
+++ b/Cry3DEngine/VisAreas.h
@@ -0,0 +1,129 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2002.
+// -------------------------------------------------------------------------
+//  File name:   visareas.h
+//  Version:     v1.00
+//  Created:     18/12/2002 by Vladimir Kajalin
+//  Compilers:   Visual Studio.NET
+//  Description: visibility areas header
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#ifndef VisArea_H
+#define VisArea_H
+
+#include "basicarea.h"
+
+struct CVisArea : public CBasicArea, public IVisArea
+{
+	// editor interface
+	virtual void Update(const Vec3d * pPoints, int nCount, const char * szName, float fHeight, const Vec3d & vAmbientColor, bool bAfectedByOutLights, bool bSkyOnly, const Vec3d & vDynAmbientColor, float fViewDistRatio, bool bDoubleSide, bool bUseDeepness, bool bUseInIndoors);
+
+	CVisArea(bool bLoadedAsAreaBox);
+	~CVisArea();
+	bool IsPointInsideVisArea(const Vec3d & vPos);
+	bool FindVisArea(IVisArea * pAnotherArea, int nMaxReqursion, bool bSkipDisabledPortals);
+	int GetVisFrameId();
+	Vec3d GetConnectionNormal(CVisArea * pPortal);
+	void DrawVolume(CObjManager * pObjManager, int nReqursionLevel, CCamera CurCamera, CVisArea * pParent, CVisArea * pCurPortal, bool * pbOutdoorVisible, list2<CCamera> * plstOutPortCameras, bool * pbSkyVisible);
+	void DrawVolume_NotThisAreaOnlyLights(CObjManager * pObjManager, int nReqursionLevel, CCamera CurCamera, CVisArea * pParent, CVisArea * pCurPortal, bool * pbOutdoorVisible, list2<CCamera> * plstOutPortCameras, bool * pbSkyVisible);
+	void UpdatePortalCameraPlanes(CCamera & cam, Vec3d * pVerts, bool bMergeFrustums);
+  bool UpdatePortalCameraScissor(CCamera & cam, list2<Vec3d> * lstVerts, bool bMergeFrustums);
+	int GetVisAreaConnections(IVisArea ** pAreas, int nMaxConnNum, bool bSkipDisabledPortals = false);
+  int GetRealConnections(IVisArea ** pAreas, int nMaxConnNum, bool bSkipDisabledPortals = false);
+	bool IsPortalValid();
+	bool IsPortalIntersectAreaInValidWay(CVisArea * pPortal);
+	bool IsPortal();
+	bool IsShapeClockwise();
+	bool IsAfectedByOutLights() { return m_bAfectedByOutLights; }
+	bool IsActive() { return m_bActive; }
+	void UpdateGeometryBBox();
+	void MarkForStreaming();
+  void DrawAreaBoundsIntoCBuffer(CCoverageBuffer * pCBuffer);
+  void ClipPortalVerticesByCameraFrustum(list2<Vec3d> * pPolygon, const CCamera & cam);
+  void GetMemoryUsage(ICrySizer*pSizer);
+	bool IsConnectedToOutdoor();
+	const char * GetName() { return m_sName; }
+	bool PreloadVisArea(int nMaxReqursion, bool * pbOutdoorFound, CVisArea * pParentToAvoid, Vec3d vPrevPortalPos, float fPrevPortalDistance);
+
+	Vec3d m_vGeomBoxMin, m_vGeomBoxMax;
+	char m_sName[32];
+	list2<CVisArea*> m_lstConnections;
+	Vec3d m_vConnNormals[2];
+	int m_nRndFrameId;
+	bool m_bActive;
+	int m_nFogVolumeId;
+	list2<Vec3d> m_lstShapePoints;
+	float m_fHeight;
+	Vec3d m_vAmbColor, m_vDynAmbColor;
+	bool m_bLoadedAsAreaBox;
+	bool m_bAfectedByOutLights;
+	float m_fDistance;
+  bool m_bSkyOnly;
+	float m_fViewDistRatio;
+	bool m_bDoubleSide;
+//	bool m_bUseDeepness;
+	CCamera * m_pOcclCamera;
+	OcclusionTestClient m_OcclState;
+	Vec3d m_arrvActiveVerts[4];
+	bool m_bUseInIndoors;
+};
+
+struct CVisAreaManager : public Cry3DEngineBase
+{
+	CVisArea * m_pCurArea, * m_pCurPortal;
+	list2<CVisArea * > m_lstActiveEntransePortals;
+
+	list2<CVisArea*> m_lstVisAreas;
+  list2<CVisArea*> m_lstPortals;
+  list2<CVisArea*> m_lstOcclAreas;
+	list2<CVisArea*> m_lstActiveOcclVolumes;
+	list2<CVisArea*> m_lstIndoorActiveOcclVolumes;
+  bool m_bOutdoorVisible;
+  bool m_bSkyVisible;
+  list2<CCamera> m_lstOutdoorPortalCameras;
+
+	CVisAreaManager();
+	~CVisAreaManager();
+	void SetCurAreas(CObjManager * pObjManager);
+	void LoadVisAreaBoxFromXML(XDOM::IXMLDOMDocumentPtr pDoc);
+	void PortalsDrawDebug();
+	bool IsEntityVisible(IEntityRender * pEntityRS);
+	bool IsOutdoorAreasVisible();
+  bool IsSkyVisible();
+	CVisArea * CreateVisArea();
+	bool DeleteVisArea(CVisArea * pVisArea);
+	bool SetEntityArea(IEntityRender* pEntityRS);
+	void Render(class CObjManager * pObjManager);
+	bool UnRegisterEntity(IEntityRender* pEntityRS);
+	void ActivatePortal(const Vec3d &vPos, bool bActivate, IEntityRender *pEntity);
+	void SetupFogVolumes(CTerrain * pTerrain);
+	void LoadVisAreaShapeFromXML(XDOM::IXMLDOMDocumentPtr pDoc);
+	void UpdateVisArea(CVisArea * pArea, const Vec3d * pPoints, int nCount, const char * szName, float fHeight, const Vec3d & vAmbientColor, bool bAfectedByOutLights, bool bSkyOnly, CTerrain*pTerrain, const Vec3 & vDynAmbientColor, float fViewDistRatio, bool bDoubleSide, bool bUseDeepness, bool bUseInIndoors);
+	void UpdateConnections();
+	void MoveAllEntitiesIntoList(list2<IEntityRender*> * plstVisAreasEntities, const Vec3d & vBoxMin, const Vec3d & vBoxMax);
+	IVisArea * GetVisAreaFromPos(const Vec3d &vPos);
+//	void DefineTrees();
+	bool IsEntityVisAreaVisible(IEntityRender * pEnt, bool nCheckNeighbors);
+	void SetAreaFogVolume(CTerrain * pTerrain, CVisArea * pVisArea);
+	void MakeActiveEntransePortalsList(const CCamera & CurCamera, list2<CVisArea *> & lstActiveEntransePortals, CVisArea * pThisPortal, CObjManager * pObjManager);
+  void MergeCameras(CCamera & cam, const CCamera & camPlus);
+  void DrawOcclusionAreasIntoCBuffer(CCoverageBuffer * pCBuffer);
+  bool IsValidVisAreaPointer(CVisArea * pVisArea);
+  void SortStaticInstancesBySize();
+  void CheckUnload();
+  int m_nLoadedSectors;
+  void GetStreamingStatus(int & nLoadedSectors, int & nTotalSectors);
+  void GetMemoryUsage(ICrySizer*pSizer);
+  bool UnRegisterInAllSectors(IEntityRender * pEntityRS);
+	bool PreloadResources();
+	bool IsOccludedByOcclVolumes(Vec3d vBoxMin, Vec3d vBoxMax, bool bCheckOnlyIndoorVolumes = false);
+	void Preceche(CObjManager * pObjManager);
+	void GetObjectsAround(Vec3d vExploPos, float fExploRadius, list2<IEntityRender*> * pEntList);
+};
+
+#endif // VisArea_H