heightmap.h

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #ifndef HEIGHTMAP_H
00013 #define HEIGHTMAP_H
00014 
00019 enum HeightmapRotation {
00020   HM_COUNTER_CLOCKWISE, 
00021   HM_CLOCKWISE,         
00022 };
00023 
00027 static const uint8 _max_heightmap_height[7] = {
00028 64, 
00029 32, 
00030 16, 
00031 8,  
00032 4,  
00033 2,  
00034 1,  
00035 };
00036 
00037 bool GetHeightmapDimensions(char *filename, uint *x, uint *y);
00038 void LoadHeightmap(char *filename);
00039 void FlatEmptyWorld(byte tile_height);
00040 void FixSlopes();
00041 
00042 #endif /* HEIGHTMAP_H */