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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