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