ai_bridge.hpp

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00001 /* $Id: ai_bridge.hpp 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 #ifndef AI_BRIDGE_HPP
00013 #define AI_BRIDGE_HPP
00014 
00015 #include "ai_vehicle.hpp"
00016 
00020 class AIBridge : public AIObject {
00021 public:
00025   enum ErrorMessages {
00027     ERR_BRIDGE_BASE = AIError::ERR_CAT_BRIDGE << AIError::ERR_CAT_BIT_SIZE,
00028 
00033     ERR_BRIDGE_TYPE_UNAVAILABLE,         // [STR_ERROR_CAN_T_BUILD_BRIDGE_HERE]
00034 
00036     ERR_BRIDGE_CANNOT_END_IN_WATER,      // [STR_ERROR_ENDS_OF_BRIDGE_MUST_BOTH]
00037 
00039     ERR_BRIDGE_HEADS_NOT_ON_SAME_HEIGHT, // [STR_ERROR_BRIDGEHEADS_NOT_SAME_HEIGHT]
00040   };
00041 
00043   static const char *GetClassName() { return "AIBridge"; }
00044 
00050   static bool IsValidBridge(BridgeID bridge_id);
00051 
00058   static bool IsBridgeTile(TileIndex tile);
00059 
00066   static BridgeID GetBridgeID(TileIndex tile);
00067 
00074   static char *GetName(BridgeID bridge_id);
00075 
00085   static int32 GetMaxSpeed(BridgeID bridge_id);
00086 
00094   static Money GetPrice(BridgeID bridge_id, uint length);
00095 
00102   static int32 GetMaxLength(BridgeID bridge_id);
00103 
00110   static int32 GetMinLength(BridgeID bridge_id);
00111 
00112 #ifndef DOXYGEN_SKIP
00113 
00116   static bool _BuildBridgeRoad1();
00117 
00121   static bool _BuildBridgeRoad2();
00122 #endif
00123 
00151   static bool BuildBridge(AIVehicle::VehicleType vehicle_type, BridgeID bridge_id, TileIndex start, TileIndex end);
00152 
00160   static bool RemoveBridge(TileIndex tile);
00161 
00169   static TileIndex GetOtherBridgeEnd(TileIndex tile);
00170 };
00171 
00172 #endif /* AI_BRIDGE_HPP */

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