nevrax.org : docs

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 #ifndef NL_CHAIN_QUAD_H
+00027 #define NL_CHAIN_QUAD_H
+00028 
+00029 #include "nel/misc/types_nl.h"
+00030 #include "nel/misc/aabbox.h"
+00031 #include "pacs/chain.h"
+00032 #include "pacs/collision_surface_temp.h"
+00033 #include <vector>
+00034 
+00035 
+00036 class NLMISC::IStream;
+00037 
+00038 
+00039 namespace NLPACS 
+00040 {
+00041 
+00042 using   NLMISC::CVector;
+00043 using   NLMISC::IStream;
+00044 
+00045 // ***************************************************************************
+00046 struct EChainQuad : public NLMISC::Exception
+00047 {
+00048         EChainQuad(const std::string &reason) : Exception(reason) { }
+00049 };
+00050 
+00051 
+00052 // ***************************************************************************
+00059 class CChainQuad
+00060 {
+00061 public:
+00062 
+00064         CChainQuad();
+00066         CChainQuad(const CChainQuad &o);
+00068         ~CChainQuad();
+00070         CChainQuad &operator=(const CChainQuad &o);
+00071 
+00072 
+00074         void                    build(const std::vector<COrderedChain> &ochains);
+00075 
+00076 
+00083         sint                    selectEdges(const NLMISC::CAABBox &bbox, CCollisionSurfaceTemp &cst) const;
+00084 
+00092         sint                    selectEdges(CVector start, CVector end, CCollisionSurfaceTemp &cst) const;
+00093 
+00094 
+00096         void                                                            serial(NLMISC::IStream &f);
+00097 
+00098 
+00099 // **************************
+00100 private:
+00101 
+00105         std::vector<uint8*>             _Quad;
+00107         uint32                                  _Width;
+00109         uint32                                  _Height;
+00111         sint32                                  _X, _Y;
+00113         uint8                                   *_QuadData;
+00115         uint32                                  _QuadDataLen;
+00116 
+00117 
+00118         static const    float   _QuadElementSize;       // = 4 meters.
+00119 
+00120 
+00121 private:
+00122         void                    addEdgeToQuadNode(std::list<CEdgeChainEntry> &quadNode, sint ochainId, sint edgeId);
+00123 
+00124         // get local integer bounds in the grid.
+00125         void                    getGridBounds(sint32 &x0, sint32 &y0, sint32 &x1, sint32 &y1, const CVector &minP, const CVector &maxP) const;
+00126 
+00127 };
+00128 
+00129 
+00130 } // NLPACS
+00131 
+00132 
+00133 #endif // NL_CHAIN_QUAD_H
+00134 
+00135 /* End of chain_quad.h */
+