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collision_surface_temp.cpp

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00001 
+00007 /* Copyright, 2001 Nevrax Ltd.
+00008  *
+00009  * This file is part of NEVRAX NEL.
+00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
+00011  * it under the terms of the GNU General Public License as published by
+00012  * the Free Software Foundation; either version 2, or (at your option)
+00013  * any later version.
+00014 
+00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
+00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
+00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+00018  * General Public License for more details.
+00019 
+00020  * You should have received a copy of the GNU General Public License
+00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
+00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+00023  * MA 02111-1307, USA.
+00024  */
+00025 
+00026 #include "stdpacs.h"
+00027 
+00028 #include "pacs/collision_surface_temp.h"
+00029 
+00030 
+00031 namespace NLPACS
+00032 {
+00033 
+00034 
+00035 // ***************************************************************************
+00036 const   uint32  StartEdgeCollideNodeSize= 128;          // mem: 48*128= 6144
+00037 const   uint32  StartCollisionChainSize= 128;           // mem: 24*128= 3072
+00038 const   uint32  StartEdgeChainEntrySize= 1024;          // mem: 6*1024= 6144
+00039 const   uint32  StartCollisionDescSize= 64;                     // mem: 36*64= 2304
+00040 const   uint32  StartCollisionInstanceSize= 64;         // mem: 4*64= 256
+00041 // Total default memory cost by CCollisionSurfaceTemp: 18Ko + 128Ko  (OChainLUT).
+00042 
+00043 
+00044 // ***************************************************************************
+00045 CCollisionSurfaceTemp::CCollisionSurfaceTemp()
+00046 {
+00047         memset(OChainLUT, 0xFF, 65536*sizeof(uint16));
+00048         memset(SurfaceLUT, 0x00, 65536*sizeof(CSurfaceLUTEntry));
+00049         _EdgeCollideNodes.reserve(StartEdgeCollideNodeSize);
+00050         CollisionChains.reserve(StartCollisionChainSize);
+00051         EdgeChainEntries.reserve(StartEdgeChainEntrySize);
+00052         CollisionDescs.reserve(StartCollisionDescSize);
+00053         MoveDescs.reserve(StartCollisionDescSize);
+00054         RotDescs.reserve(StartCollisionDescSize);
+00055         CollisionInstances.reserve(StartCollisionInstanceSize);
+00056         PossibleSurfaces.reserve(32);
+00057         PrecValid= false;
+00058         OutCounter = 0;
+00059 }
+00060 
+00061 
+00062 // ***************************************************************************
+00063 void                            CCollisionSurfaceTemp::resetEdgeCollideNodes()
+00064 {
+00065         _EdgeCollideNodes.clear();
+00066 }
+00067 // ***************************************************************************
+00068 uint32                          CCollisionSurfaceTemp::allocEdgeCollideNode(uint32 size)
+00069 {
+00070         uint32  id= _EdgeCollideNodes.size();
+00071         _EdgeCollideNodes.resize(id+size);
+00072         return id;
+00073 }
+00074 // ***************************************************************************
+00075 CEdgeCollideNode        &CCollisionSurfaceTemp::getEdgeCollideNode(uint32 id)
+00076 {
+00077         return _EdgeCollideNodes[id];
+00078 }
+00079 
+00080 
+00081 } // NLPACS
+
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