00001 /* $Id: ai_bridge.hpp 23257 2011-11-18 21:15:09Z 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_AI_DOCS 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 */