truelight@9638: /* $Id$ */
truelight@9638: 
truebrain@9829: /** @file ai_station.hpp Everything to query and build stations. */
truelight@9638: 
truelight@9638: #ifndef AI_STATION_HPP
truelight@9638: #define AI_STATION_HPP
truelight@9638: 
truelight@9638: #include "ai_object.hpp"
rubidium@9837: #include "../../station_type.h"
truelight@9638: 
truelight@9638: /**
truelight@9638:  * Class that handles all station related functions.
truelight@9638:  */
truelight@9638: class AIStation : public AIObject {
truelight@9638: public:
truebrain@9829: 	static const char *GetClassName() { return "AIStation"; }
truebrain@9829: 
truelight@9638: 	/**
truelight@9670: 	 * Type of stations known in the game.
truelight@9670: 	 */
truelight@9670: 	enum StationType {
truebrain@9838: 		STATION_ANY        = 0x00, //!< All station types
truebrain@9838: 		STATION_TRAIN      = 0x01, //!< Train station
truebrain@9838: 		STATION_TRUCK_STOP = 0x02, //!< Truck station
truebrain@9838: 		STATION_BUS_STOP   = 0x04, //!< Bus station
truebrain@9838: 		STATION_AIRPORT    = 0x08, //!< Airport
truebrain@9838: 		STATION_DOCK       = 0x10, //!< Dock
truelight@9670: 	};
truelight@9670: 
truelight@9670: 	/**
truelight@9638: 	 * Checks whether the given station is valid and owned by you.
truebrain@9838: 	 * @param station_id The station to check.
truebrain@9838: 	 * @return True if and only if the station is valid.
truelight@9638: 	 */
truelight@9638: 	static bool IsValidStation(StationID station_id);
truelight@9638: 
truelight@9638: 	/**
truebrain@9838: 	 * Get the StationID of a tile, if there is a station.
truebrain@9838: 	 * @param tile The tile to find the stationID of
truelight@9666: 	 * @return StationID of the station.
truebrain@9838: 	 * @post Use IsValidStation() to see if the station is valid.
truelight@9666: 	 */
truelight@9666: 	static StationID GetStationID(TileIndex tile);
truelight@9666: 
truelight@9666: 	/**
truelight@9696: 	 * Get the name of a station.
truebrain@9838: 	 * @param station_id The station to get the name of.
truelight@9696: 	 * @pre IsValidStation(station_id).
truebrain@9838: 	 * @return The name of the station.
truelight@9696: 	 */
truelight@9696: 	static char *GetName(StationID station_id);
truelight@9696: 
truelight@9696: 	/**
truelight@9638: 	 * Get the current location of a station.
truebrain@9838: 	 * @param station_id The station to get the location of.
truelight@9638: 	 * @pre IsValidStation(station_id).
truebrain@9838: 	 * @return The tile the station is currently on.
truelight@9638: 	 */
truelight@9638: 	static TileIndex GetLocation(StationID station_id);
truelight@9638: 
truelight@9638: 	/**
truelight@9638: 	 * See how much cargo there is waiting on a station.
truebrain@9838: 	 * @param station_id The station to get the cargo-waiting of.
truebrain@9838: 	 * @param cargo_id The cargo to get the cargo-waiting of.
truelight@9638: 	 * @pre IsValidStation(station_id).
truelight@9638: 	 * @pre IsValidCargo(cargo_id).
truebrain@9838: 	 * @return The amount of units waiting at the station.
truelight@9638: 	 */
truelight@9638: 	static int32 GetCargoWaiting(StationID station_id, CargoID cargo_id);
truelight@9648: 
truelight@9648: 	/**
truelight@9648: 	 * See how high the rating is of a cargo on a station.
truebrain@9838: 	 * @param station_id The station to get the cargo-rating of.
truebrain@9838: 	 * @param cargo_id The cargo to get the cargo-rating of.
truelight@9648: 	 * @pre IsValidStation(station_id).
truelight@9648: 	 * @pre IsValidCargo(cargo_id).
truebrain@9838: 	 * @return The rating in percent of the cargo on the station.
truelight@9648: 	 */
truelight@9648: 	static int32 GetCargoRating(StationID station_id, CargoID cargo_id);
truelight@9670: 
truelight@9670: 	/**
truelight@9670: 	 * Get the coverage radius of this type of station.
truebrain@9838: 	 * @param type The type of station.
truebrain@9838: 	 * @return The radius in tiles.
truelight@9670: 	 */
truelight@9670: 	static int32 GetCoverageRadius(AIStation::StationType type);
truebrain@9814: 
truebrain@9814: 	/**
truebrain@9814: 	 * Get the manhattan distance from the tile to the AIStation::GetLocation()
truebrain@9814: 	 *  of the station.
truebrain@9814: 	 * @param station_id The station to get the distance to.
truebrain@9814: 	 * @param tile The tile to get the distance to.
truebrain@9814: 	 * @return The distance between station and tile.
truebrain@9814: 	 */
truebrain@9814: 	static int32 GetDistanceManhattanToTile(StationID station_id, TileIndex tile);
truebrain@9814: 
truebrain@9814: 	/**
truebrain@9814: 	 * Get the square distance from the tile to the AIStation::GetLocation()
truebrain@9814: 	 *  of the station.
truebrain@9814: 	 * @param station_id The station to get the distance to.
truebrain@9814: 	 * @param tile The tile to get the distance to.
truebrain@9814: 	 * @return The distance between station and tile.
truebrain@9814: 	 */
truebrain@9814: 	static int32 GetDistanceSquareToTile(StationID station_id, TileIndex tile);
truelight@9638: };
truebrain@9838: 
truelight@9670: DECLARE_ENUM_AS_BIT_SET(AIStation::StationType);
truelight@9638: 
truelight@9638: #endif /* AI_STATION_HPP */