# ai_station.hpp

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    00001 /* $Id: ai_station.hpp 15488 2009-02-14 21:15:23Z yexo $ */
    00002
    00005 #ifndef AI_STATION_HPP
    00006 #define AI_STATION_HPP
    00007
    00008 #include "ai_object.hpp"
    00009 #include "ai_error.hpp"
    00010 #include "ai_road.hpp"
    00011
    00015 class AIStation : public AIObject {
    00016 public:
    00017   static const char *GetClassName() { return "AIStation"; }
    00018
    00022   enum ErrorMessages {
    00024     ERR_STATION_BASE = AIError::ERR_CAT_STATION << AIError::ERR_CAT_BIT_SIZE,
    00025
    00027     ERR_STATION_TOO_LARGE,                    // [STR_306C_STATION_TOO_SPREAD_OUT]
    00028
    00030     ERR_STATION_TOO_CLOSE_TO_ANOTHER_STATION, // [STR_300D_TOO_CLOSE_TO_ANOTHER_AIRPORT, STR_3009_TOO_CLOSE_TO_ANOTHER_STATION, STR_304C_TOO_CLOSE_TO_ANOTHER_DOCK]
    00031
    00033     ERR_STATION_TOO_MANY_STATIONS,            // [STR_3008_TOO_MANY_STATIONS_LOADING, STR_TOO_MANY_TRUCK_STOPS, STR_TOO_MANY_BUS_STOPS]
    00034
    00036     ERR_STATION_TOO_MANY_STATIONS_IN_TOWN,    // [STR_3007_TOO_MANY_STATIONS_LOADING]
    00037   };
    00038
    00042   enum StationType {
    00043     /* Values are important, as they represent the internal state of the game. */
    00044     STATION_TRAIN      = 0x01,
    00045     STATION_TRUCK_STOP = 0x02,
    00046     STATION_BUS_STOP   = 0x04,
    00047     STATION_AIRPORT    = 0x08,
    00048     STATION_DOCK       = 0x10,
    00049     STATION_ANY        = 0x1F,
    00050   };
    00051
    00052   enum SpecialStationIDs {
    00053     STATION_NEW = 0xFFFD,
    00054     STATION_JOIN_ADJACENT = 0xFFFE,
    00055     STATION_INVALID = 0xFFFF,
    00056   };
    00057
    00063   static bool IsValidStation(StationID station_id);
    00064
    00071   static StationID GetStationID(TileIndex tile);
    00072
    00079   static char *GetName(StationID station_id);
    00080
    00091   static bool SetName(StationID station_id, const char *name);
    00092
    00099   static TileIndex GetLocation(StationID station_id);
    00100
    00109   static int32 GetCargoWaiting(StationID station_id, CargoID cargo_id);
    00110
    00119   static int32 GetCargoRating(StationID station_id, CargoID cargo_id);
    00120
    00126   static int32 GetCoverageRadius(AIStation::StationType station_type);
    00127
    00136   static int32 GetDistanceManhattanToTile(StationID station_id, TileIndex tile);
    00137
    00146   static int32 GetDistanceSquareToTile(StationID station_id, TileIndex tile);
    00147
    00155   static bool IsWithinTownInfluence(StationID station_id, TownID town_id);
    00156
    00164   static bool HasStationType(StationID station_id, StationType station_type);
    00165
    00173   static bool HasRoadType(StationID station_id, AIRoad::RoadType road_type);
    00174
    00185   static TownID GetNearestTown(StationID station_id);
    00186 };
    00187
    00188 DECLARE_ENUM_AS_BIT_SET(AIStation::StationType);
    00189
    00190 #endif /* AI_STATION_HPP */