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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_HEIGHT_MAP_H
00027 #define NL_HEIGHT_MAP_H
00028 
00029 #include "nel/misc/types_nl.h"
00030 #include "nel/misc/bitmap.h"
00031 #include <vector>
00032 
00033 
00034 namespace NL3D
00035 {
00036 
00037 
00038 // ***************************************************************************
00045 class CHeightMap
00046 {
00047 public:
00048         std::vector<uint8>              Heights;
00049 
00051         float                                   OriginX, OriginY;
00053         float                                   SizeX, SizeY;
00055         float                                   MaxZ;
00056 
00057 public:
00059         CHeightMap()
00060         {
00061                 SizeX= SizeY= 160;
00062                 OriginX= OriginY= 0;
00063                 MaxZ= 100;
00064         }
00065 
00066 
00068         void                    resize(uint w, uint h);
00069         uint                    getWidth() const {return _Width;}
00070         uint                    getHeight() const {return _Height;}
00071 
00072 
00074         float                   getZ(uint x, uint y) const;
00075 
00076 
00080         void                    buildFromBitmap(const NLMISC::CBitmap &bitmap);
00081 
00082 private:
00084         uint                    _Width, _Height;
00085 };
00086 
00087 
00088 } // NL3D
00089 
00090 
00091 #endif // NL_HEIGHT_MAP_H
00092 
00093 /* End of height_map.h */