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/* $Id$ */
/** @file newgrf_station.h Header file for NewGRF stations */
#ifndef NEWGRF_STATION_H
#define NEWGRF_STATION_H
#include "engine.h"
typedef enum {
STAT_CLASS_DFLT, ///< Default station class.
STAT_CLASS_WAYP, ///< Waypoint class.
STAT_CLASS_MAX = 16, ///< Maximum number of classes.
} StationClassID;
/* Station layout for given dimensions - it is a two-dimensional array
* where index is computed as (x * platforms) + platform. */
typedef byte *StationLayout;
typedef struct stationspec {
uint32 grfid; ///< ID of GRF file station belongs to.
int localidx; ///< Index within GRF file of station.
StationClassID sclass; ///< The class to which this spec belongs.
/**
* Bitmask of number of platforms available for the station.
* 0..6 correpsond to 1..7, while bit 7 corresponds to >7 platforms.
*/
byte allowed_platforms;
/**
* Bitmask of platform lengths available for the station.
* 0..6 correpsond to 1..7, while bit 7 corresponds to >7 tiles long.
*/
byte allowed_lengths;
/** Number of tile layouts.
* A minimum of 8 is required is required for stations.
* 0-1 = plain platform
* 2-3 = platform with building
* 4-5 = platform with roof, left side
* 6-7 = platform with roof, right side
*/
int tiles;
DrawTileSprites *renderdata; ///< Array of tile layouts.
byte lengths;
byte *platforms;
StationLayout **layouts;
/**
* NUM_GLOBAL_CID sprite groups.
* Used for obtaining the sprite offset of custom sprites, and for
* evaluating callbacks.
*/
SpriteGroup *spritegroup[NUM_GLOBAL_CID];
} StationSpec;
/**
* Struct containing information relating to station classes.
*/
typedef struct stationclass {
uint32 id; ///< ID of this class, e.g. 'DFLT', 'WAYP', etc.
char *name; ///< Name of this class.
uint stations; ///< Number of stations in this class.
StationSpec **spec; ///< Array of station specifications.
} StationClass;
void ResetStationClasses(void);
StationClassID AllocateStationClass(uint32 class);
void SetStationClassName(StationClassID sclass, const char *name);
uint GetNumCustomStations(StationClassID sclass);
void SetCustomStation(StationSpec *spec);
const StationSpec *GetCustomStation(StationClassID sclass, uint station);
#endif /* NEWGRF_STATION_H */
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