ai_map.cpp

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00001 /* $Id: ai_map.cpp 21888 2011-01-22 10:33:16Z 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 #include "../../stdafx.h"
00013 #include "ai_map.hpp"
00014 #include "../../tile_map.h"
00015 
00016 /* static */ bool AIMap::IsValidTile(TileIndex t)
00017 {
00018   return ::IsValidTile(t);
00019 }
00020 
00021 /* static */ TileIndex AIMap::GetMapSize()
00022 {
00023   return ::MapSize();
00024 }
00025 
00026 /* static */ uint32 AIMap::GetMapSizeX()
00027 {
00028   return ::MapSizeX();
00029 }
00030 
00031 /* static */ uint32 AIMap::GetMapSizeY()
00032 {
00033   return ::MapSizeY();
00034 }
00035 
00036 /* static */ int32 AIMap::GetTileX(TileIndex t)
00037 {
00038   if (!::IsValidTile(t)) return -1;
00039   return ::TileX(t);
00040 }
00041 
00042 /* static */ int32 AIMap::GetTileY(TileIndex t)
00043 {
00044   if (!::IsValidTile(t)) return -1;
00045   return ::TileY(t);
00046 }
00047 
00048 /* static */ TileIndex AIMap::GetTileIndex(uint32 x, uint32 y)
00049 {
00050   return ::TileXY(x, y);
00051 }
00052 
00053 /* static */ int32 AIMap::DistanceManhattan(TileIndex t1, TileIndex t2)
00054 {
00055   if (!::IsValidTile(t1) || !::IsValidTile(t2)) return -1;
00056   return ::DistanceManhattan(t1, t2);
00057 }
00058 
00059 /* static */ int32 AIMap::DistanceMax(TileIndex t1, TileIndex t2)
00060 {
00061   if (!::IsValidTile(t1) || !::IsValidTile(t2)) return -1;
00062   return ::DistanceMax(t1, t2);
00063 }
00064 
00065 /* static */ int32 AIMap::DistanceSquare(TileIndex t1, TileIndex t2)
00066 {
00067   if (!::IsValidTile(t1) || !::IsValidTile(t2)) return -1;
00068   return ::DistanceSquare(t1, t2);
00069 }
00070 
00071 /* static */ int32 AIMap::DistanceFromEdge(TileIndex t)
00072 {
00073   if (!::IsValidTile(t)) return -1;
00074   return ::DistanceFromEdge(t);
00075 }

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