ai_tunnel.hpp

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00001 /* $Id: ai_tunnel.hpp 18683 2010-01-01 18:45:40Z 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 AI_TUNNEL_HPP
00013 #define AI_TUNNEL_HPP
00014 
00015 #include "ai_object.hpp"
00016 #include "ai_vehicle.hpp"
00017 
00021 class AITunnel : public AIObject {
00022 public:
00023   static const char *GetClassName() { return "AITunnel"; }
00024 
00028   enum ErrorMessages {
00029 
00031     ERR_TUNNEL_BASE = AIError::ERR_CAT_TUNNEL << AIError::ERR_CAT_BIT_SIZE,
00032 
00034     ERR_TUNNEL_CANNOT_BUILD_ON_WATER,            // [STR_ERROR_CAN_T_BUILD_ON_WATER]
00035 
00037     ERR_TUNNEL_START_SITE_UNSUITABLE,            // [STR_ERROR_SITE_UNSUITABLE_FOR_TUNNEL]
00038 
00040     ERR_TUNNEL_ANOTHER_TUNNEL_IN_THE_WAY,        // [STR_ERROR_ANOTHER_TUNNEL_IN_THE_WAY]
00041 
00043     ERR_TUNNEL_END_SITE_UNSUITABLE,              // [STR_ERROR_UNABLE_TO_EXCAVATE_LAND]
00044   };
00045 
00052   static bool IsTunnelTile(TileIndex tile);
00053 
00066   static TileIndex GetOtherTunnelEnd(TileIndex tile);
00067 
00068 #ifndef DOXYGEN_SKIP
00069 
00072   static bool _BuildTunnelRoad1();
00073 
00077   static bool _BuildTunnelRoad2();
00078 #endif /* DOXYGEN_SKIP */
00079 
00102   static bool BuildTunnel(AIVehicle::VehicleType vehicle_type, TileIndex start);
00103 
00111   static bool RemoveTunnel(TileIndex tile);
00112 };
00113 
00114 #endif /* AI_TUNNEL_HPP */

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