# ai_map.cpp

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    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 }