ai_waypoint.cpp

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00001 /* $Id: ai_waypoint.cpp 17693 2009-10-04 17:16:41Z 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_waypoint.hpp"
00013 #include "ai_rail.hpp"
00014 #include "../../company_func.h"
00015 #include "../../waypoint_base.h"
00016 
00017 /* static */ bool AIWaypoint::IsValidWaypoint(StationID waypoint_id)
00018 {
00019   const Waypoint *wp = ::Waypoint::GetIfValid(waypoint_id);
00020   return wp != NULL && wp->owner == _current_company;
00021 }
00022 
00023 /* static */ StationID AIWaypoint::GetWaypointID(TileIndex tile)
00024 {
00025   if (!AIRail::IsRailWaypointTile(tile)) return STATION_INVALID;
00026 
00027   return ::GetStationIndex(tile);
00028 }

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