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pvstree.h

00001 /*
00002     Copyright (C) 2004 by Jorrit Tyberghein
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_IVARIA_PVSTREE_H__
00020 #define __CS_IVARIA_PVSTREE_H__
00021 
00022 #include "csutil/scf.h"
00023 
00024 class csBox3;
00025 struct iDataBuffer;
00026 struct iStaticPVSTree;
00027 
00028 SCF_VERSION (iPVSCuller, 0, 0, 1);
00029 
00034 struct iPVSCuller : public iBase
00035 {
00039   virtual iStaticPVSTree* GetPVSTree () = 0;
00040 };
00041 
00042 SCF_VERSION (iStaticPVSTree, 0, 0, 1);
00043 
00048 struct iStaticPVSTree : public iBase
00049 {
00056   virtual void SetBoundingBox (const csBox3& bbox) = 0;
00057 
00061   virtual const csBox3& GetBoundingBox () const = 0;
00062 
00067   virtual void UpdateBoundingBoxes () = 0;
00068 
00073   virtual void Clear () = 0;
00074 
00080   virtual void* CreateRootNode () = 0;
00081 
00085   virtual void* GetRootNode () = 0;
00086 
00093   virtual void SplitNode (void* parent, int axis, float where,
00094         void*& child1, void*& child2) = 0;
00095 
00099   virtual void* GetFirstChild (void* parent) const = 0;
00100 
00104   virtual void* GetSecondChild (void* parent) const = 0;
00105 
00109   virtual const csBox3& GetNodeBBox (void* node) const = 0;
00110 
00114   virtual void GetAxisAndPosition (
00115         void* node, int& axis, float& where) const = 0;
00116 
00120   virtual void MarkInvisible (void* source, void* target) = 0;
00121 
00126   virtual bool WriteOut () = 0;
00127 };
00128 
00129 #endif // __CS_IVARIA_PVSTREE_H__
00130 

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