tunnelbridge.h

Go to the documentation of this file.
00001 /* $Id: tunnelbridge.h 18809 2010-01-15 16:41:15Z rubidium $ */
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 TUNNELBRIDGE_H
00013 #define TUNNELBRIDGE_H
00014 
00015 #include "map_func.h"
00016 
00021 static inline uint GetTunnelBridgeLength(TileIndex begin, TileIndex end)
00022 {
00023   int x1 = TileX(begin);
00024   int y1 = TileY(begin);
00025   int x2 = TileX(end);
00026   int y2 = TileY(end);
00027 
00028   return abs(x2 + y2 - x1 - y1) - 1;
00029 }
00030 
00031 extern TileIndex _build_tunnel_endtile;
00032 
00033 #endif /* TUNNELBRIDGE_H */

Generated on Thu Feb 4 17:20:30 2010 for OpenTTD by  doxygen 1.5.6