station_func.h

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00001 /* $Id: station_func.h 24840 2012-12-23 15:38:54Z peter1138 $ */
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 STATION_FUNC_H
00013 #define STATION_FUNC_H
00014 
00015 #include "sprite.h"
00016 #include "rail_type.h"
00017 #include "road_type.h"
00018 #include "economy_func.h"
00019 #include "rail.h"
00020 
00021 void ModifyStationRatingAround(TileIndex tile, Owner owner, int amount, uint radius);
00022 
00023 void FindStationsAroundTiles(const TileArea &location, StationList *stations);
00024 
00025 void ShowStationViewWindow(StationID station);
00026 void UpdateAllStationVirtCoords();
00027 
00028 CargoArray GetProductionAroundTiles(TileIndex tile, int w, int h, int rad);
00029 CargoArray GetAcceptanceAroundTiles(TileIndex tile, int w, int h, int rad, uint32 *always_accepted = NULL);
00030 
00031 void UpdateStationAcceptance(Station *st, bool show_msg);
00032 
00033 const DrawTileSprites *GetStationTileLayout(StationType st, byte gfx);
00034 void StationPickerDrawSprite(int x, int y, StationType st, RailType railtype, RoadType roadtype, int image);
00035 
00036 bool HasStationInUse(StationID station, bool include_company, CompanyID company);
00037 
00038 void DeleteOilRig(TileIndex t);
00039 
00040 /* Check if a rail station tile is traversable. */
00041 bool IsStationTileBlocked(TileIndex tile);
00042 
00043 bool CanStationTileHavePylons(TileIndex tile);
00044 bool CanStationTileHaveWires(TileIndex tile);
00045 
00046 void UpdateAirportsNoise();
00047 
00048 bool SplitGroundSpriteForOverlay(const TileInfo *ti, SpriteID *ground, RailTrackOffset *overlay_offset);
00049 
00055 static inline Money StationMaintenanceCost(uint32 num)
00056 {
00057   return (_price[PR_INFRASTRUCTURE_STATION] * num * (1 + IntSqrt(num))) >> 7; // 7 bits scaling.
00058 }
00059 
00060 Money AirportMaintenanceCost(Owner owner);
00061 
00062 #endif /* STATION_FUNC_H */