4 * This file is part of OpenTTD.
5 * 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.
6 * 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.
7 * 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/>.
10 /** @file station_func.h Functions related to stations. */
12 #ifndef STATION_FUNC_H
13 #define STATION_FUNC_H
16 #include "rail_type.h"
17 #include "road_type.h"
18 #include "vehicle_type.h"
19 #include "economy_func.h"
21 #include "map/coord.h"
22 #include "map/class.h"
24 #include "map/depot.h"
25 #include "map/station.h"
27 bool IsHangar(TileIndex t
);
30 * Is tile \a t an hangar tile?
31 * @param t Tile to check
32 * @return \c true if the tile is an hangar
34 static inline bool IsHangarTile(TileIndex t
)
36 return IsStationTile(t
) && IsHangar(t
);
39 void ModifyStationRatingAround(TileIndex tile
, Owner owner
, int amount
, uint radius
);
41 void FindStationsAroundTiles(const TileArea
&location
, StationList
*stations
);
43 void ShowStationViewWindow(StationID station
);
44 void UpdateAllStationVirtCoords();
46 CargoArray
GetProductionAroundTiles(TileIndex tile
, int w
, int h
, int rad
);
47 CargoArray
GetAcceptanceAroundTiles(TileIndex tile
, int w
, int h
, int rad
, uint32
*always_accepted
= NULL
);
49 void UpdateStationAcceptance(Station
*st
, bool show_msg
);
51 const DrawTileSprites
*GetStationTileLayout(StationType st
, byte gfx
);
52 void StationPickerDrawSprite(int x
, int y
, StationType st
, RailType railtype
, RoadType roadtype
, int image
);
54 bool HasStationInUse(StationID station
, bool include_company
, CompanyID company
);
56 void DeleteOilRig(TileIndex t
);
58 /* Check if a rail station tile is traversable. */
59 bool IsStationTileBlocked(TileIndex tile
);
62 * Is the given tile a tile with a depot on it?
63 * @param tile the tile to check
64 * @return true if and only if there is a depot on the tile.
66 static inline bool IsDepotTile(TileIndex tile
)
68 return IsGroundDepotTile(tile
) || IsShipDepotTile(tile
) || IsHangarTile(tile
);
72 * Check if a tile is a valid continuation to a railstation tile.
73 * The tile \a test_tile is a valid continuation to \a station_tile, if all of the following are true:
74 * \li \a test_tile is a rail station tile
75 * \li the railtype of \a test_tile is compatible with the railtype of \a station_tile
76 * \li the tracks on \a test_tile and \a station_tile are in the same direction
77 * \li both tiles belong to the same station
78 * \li \a test_tile is not blocked (@see IsStationTileBlocked)
79 * @param test_tile Tile to test
80 * @param station_tile Station tile to compare with
81 * @pre IsRailStationTile(station_tile)
82 * @return true if the two tiles are compatible
84 static inline bool IsCompatibleTrainStationTile(TileIndex test_tile
, TileIndex station_tile
)
86 assert(IsRailStationTile(station_tile
));
87 return IsRailStationTile(test_tile
) && IsCompatibleRail(GetRailType(test_tile
), GetRailType(station_tile
)) &&
88 GetRailStationAxis(test_tile
) == GetRailStationAxis(station_tile
) &&
89 GetStationIndex(test_tile
) == GetStationIndex(station_tile
) &&
90 !IsStationTileBlocked(test_tile
);
93 bool CanStationTileHavePylons(TileIndex tile
);
94 bool CanStationTileHaveWires(TileIndex tile
);
96 void UpdateAirportsNoise();
98 bool SplitGroundSpriteForOverlay(const TileInfo
*ti
, SpriteID
*ground
, RailTrackOffset
*overlay_offset
);
100 void IncreaseStats(Station
*st
, const Vehicle
*v
, StationID next_station_id
);
101 void IncreaseStats(Station
*st
, CargoID cargo
, StationID next_station_id
, uint capacity
, uint usage
);
102 void RerouteCargo(Station
*st
, CargoID c
, StationID avoid
, StationID avoid2
);
105 * Calculates the maintenance cost of a number of station tiles.
106 * @param num Number of station tiles.
107 * @return Total cost.
109 static inline Money
StationMaintenanceCost(uint32 num
)
111 return (_price
[PR_INFRASTRUCTURE_STATION
] * num
* (1 + IntSqrt(num
))) >> 7; // 7 bits scaling.
114 Money
AirportMaintenanceCost(Owner owner
);
116 #endif /* STATION_FUNC_H */