00001 /* 00002 * Part of rvglue source code, 00003 * Copyright (C) 2000 Alexander Kroeller (alilein@gmx.de) 00004 * 00005 * This program is free software; you can redistribute it and/or modify 00006 * it under the terms of the GNU General Public License as published by 00007 * the Free Software Foundation; either version 2 of the License, or 00008 * (at your option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License 00016 * along with this program; if not, write to the Free Software 00017 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 /* 00021 * $Id: lookup.h,v 1.1 2000/05/03 08:49:53 ali Exp ali $ 00022 * 00023 * $Log: lookup.h,v $ 00024 * Revision 1.1 2000/05/03 08:49:53 ali 00025 * Initial revision 00026 * 00027 * 00028 */ 00029 #ifndef __LOOKUP_H 00030 #define __LOOKUP_H 00031 00032 #include <vector> 00033 #include "rvtypes.h" 00034 #include "vector.h" 00035 //#include "ichain.h" 00036 00037 00038 typedef std::vector<rvulong> IndexChain; 00039 00041 00046 class LookupGrid 00047 { 00048 public: 00049 LookupGrid(rvulong _size); 00050 ~LookupGrid(); 00051 00052 void expandGrid(Vector &); 00053 void doneSizing(void); 00054 00055 void write(FILE *); 00056 00057 IndexChain *lichain(int x, int z); 00058 00059 int xgridcoord(rvfloat x); 00060 int zgridcoord(rvfloat z); 00061 00062 Vector gridcoord(int x, int z); 00063 00064 private: 00065 rvulong size; 00066 rvfloat xlo, xhi, zlo, zhi; 00067 RV_LookupGrid data; 00068 int xsz, zsz; 00069 IndexChain **ichains; 00070 }; 00071 00072 #endif