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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 #ifndef NL_EDGE_QUAD_H
+00027 #define NL_EDGE_QUAD_H
+00028 
+00029 #include "nel/misc/types_nl.h"
+00030 #include "nel/misc/aabbox.h"
+00031 #include "pacs/exterior_mesh.h"
+00032 #include "pacs/collision_surface_temp.h"
+00033 #include <vector>
+00034 
+00035 namespace NLMISC
+00036 {
+00037         class   IStream;
+00038 };
+00039 
+00040 namespace NLPACS 
+00041 {
+00042 class   CGlobalRetriever;
+00043 
+00044 using   NLMISC::CVector;
+00045 using   NLMISC::IStream;
+00046 
+00047 // ***************************************************************************
+00048 struct EEdgeQuad : public NLMISC::Exception
+00049 {
+00050         EEdgeQuad(const std::string &reason) : Exception(reason) { }
+00051 };
+00052 
+00053 
+00054 // ***************************************************************************
+00061 class CEdgeQuad
+00062 {
+00063 public:
+00064 
+00066         CEdgeQuad();
+00068         CEdgeQuad(const CEdgeQuad &o);
+00070         ~CEdgeQuad();
+00072         CEdgeQuad &operator=(const CEdgeQuad &o);
+00073 
+00075         void                    clear();
+00076 
+00077 
+00079         void                    build(const CExteriorMesh &em,
+00080                                                   const CGlobalRetriever &global,
+00081                                                   CCollisionSurfaceTemp &cst,
+00082                                                   uint32 thisInstance);
+00083 
+00084 
+00091         sint                    selectEdges(const NLMISC::CAABBox &bbox, CCollisionSurfaceTemp &cst) const;
+00092 
+00100         sint                    selectEdges(CVector start, CVector end, CCollisionSurfaceTemp &cst) const;
+00101 
+00102 
+00104         const std::vector<CExteriorEdgeEntry>   &getEdgeEntries() const { return _EdgeEntries; }
+00106         const CExteriorEdgeEntry                                &getEdgeEntry(uint entry) const { return _EdgeEntries[entry]; }
+00107 
+00108 
+00110         void                                                            serial(NLMISC::IStream &f);
+00111 
+00113         void                                                            removeLinks(sint32 instanceId)
+00114         {
+00115                 uint    i;
+00116                 for (i=0; i<_EdgeEntries.size(); ++i)
+00117                 {
+00118                         if (_EdgeEntries[i].Exterior.RetrieverInstanceId == instanceId)
+00119                         {
+00120                                 _EdgeEntries[i].Exterior.RetrieverInstanceId = -1;
+00121                                 _EdgeEntries[i].Exterior.SurfaceId = -1;
+00122                         }
+00123                 }
+00124         }
+00125 
+00127         void                                                            removeLinks()
+00128         {
+00129                 uint    i;
+00130                 for (i=0; i<_EdgeEntries.size(); ++i)
+00131                 {
+00132                         _EdgeEntries[i].Exterior.RetrieverInstanceId = -1;
+00133                         _EdgeEntries[i].Exterior.SurfaceId = -1;
+00134                 }
+00135         }
+00136 
+00137 // **************************
+00138 private:
+00139 
+00143         std::vector<uint8*>                             _Quad;
+00145         std::vector<CExteriorEdgeEntry> _EdgeEntries;
+00147         uint32                                                  _Width;
+00149         uint32                                                  _Height;
+00151         sint32                                                  _X, _Y;
+00153         uint8                                                   *_QuadData;
+00155         uint32                                                  _QuadDataLen;
+00156 
+00157 
+00158         static const    float   _QuadElementSize;       // = 4 meters.
+00159 
+00160 
+00161 private:
+00162 
+00163         // get local integer bounds in the grid.
+00164         void                    getGridBounds(sint32 &x0, sint32 &y0, sint32 &x1, sint32 &y1, const CVector &minP, const CVector &maxP) const;
+00165 
+00166 };
+00167 
+00168 
+00169 } // NLPACS
+00170 
+00171 
+00172 #endif // NL_CHAIN_QUAD_H
+00173 
+00174 /* End of chain_quad.h */
+
edge_quad.h
