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