00001 /* $Id: ai_bridge.hpp 17248 2009-08-21 20:21:05Z 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_object.hpp" 00016 #include "ai_vehicle.hpp" 00017 #include "ai_error.hpp" 00018 00022 class AIBridge : public AIObject { 00023 public: 00027 enum ErrorMessages { 00029 ERR_BRIDGE_BASE = AIError::ERR_CAT_BRIDGE << AIError::ERR_CAT_BIT_SIZE, 00030 00035 ERR_BRIDGE_TYPE_UNAVAILABLE, // [STR_ERROR_CAN_T_BUILD_BRIDGE_HERE] 00036 00038 ERR_BRIDGE_CANNOT_END_IN_WATER, // [STR_ERROR_ENDS_OF_BRIDGE_MUST_BOTH] 00039 00041 ERR_BRIDGE_HEADS_NOT_ON_SAME_HEIGHT, // [STR_ERROR_BRIDGEHEADS_NOT_SAME_HEIGHT] 00042 }; 00043 00044 static const char *GetClassName() { return "AIBridge"; } 00045 00051 static bool IsValidBridge(BridgeID bridge_id); 00052 00059 static bool IsBridgeTile(TileIndex tile); 00060 00067 static BridgeID GetBridgeID(TileIndex tile); 00068 00075 static char *GetName(BridgeID bridge_id); 00076 00086 static int32 GetMaxSpeed(BridgeID bridge_id); 00087 00095 static Money GetPrice(BridgeID bridge_id, uint length); 00096 00103 static int32 GetMaxLength(BridgeID bridge_id); 00104 00111 static int32 GetMinLength(BridgeID bridge_id); 00112 00113 #ifndef DOXYGEN_SKIP 00114 00117 static bool _BuildBridgeRoad1(); 00118 00122 static bool _BuildBridgeRoad2(); 00123 #endif 00124 00152 static bool BuildBridge(AIVehicle::VehicleType vehicle_type, BridgeID bridge_id, TileIndex start, TileIndex end); 00153 00161 static bool RemoveBridge(TileIndex tile); 00162 00170 static TileIndex GetOtherBridgeEnd(TileIndex tile); 00171 }; 00172 00173 #endif /* AI_BRIDGE_HPP */