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Location: cpp/openttd-patchpack/source/newgrf_station.h
r4827:de08cc8ce3b4
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(svn r6751) -Fix: Add option to enable/disable network support. Default is on
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/** @file newgrf_station.h Header file for NewGRF stations */
#ifndef NEWGRF_STATION_H
#define NEWGRF_STATION_H
#include "engine.h"
#include "newgrf_cargo.h"
typedef enum {
STAT_CLASS_DFLT, ///< Default station class.
STAT_CLASS_WAYP, ///< Waypoint class.
STAT_CLASS_MAX = 32, ///< 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.
bool allocated; ///< Flag whether this station has been added to a station class list
StationClassID sclass; ///< The class to which this spec belongs.
StringID name; ///< Name of this station.
/**
* Bitmask of number of platforms available for the station.
* 0..6 correpsond to 1..7, while bit 7 corresponds to >7 platforms.
*/
byte disallowed_platforms;
/**
* Bitmask of platform lengths available for the station.
* 0..6 correpsond to 1..7, while bit 7 corresponds to >7 tiles long.
*/
byte disallowed_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
*/
uint tiles;
DrawTileSprites *renderdata; ///< Array of tile layouts.
bool copied_renderdata;
/** Cargo threshold for choosing between little and lots of cargo
* @note little/lots are equivalent to the moving/loading states for vehicles
*/
uint16 cargo_threshold;
uint32 cargo_triggers; ///< Bitmask of cargo types which cause trigger re-randomizing
byte callbackmask; ///< Bitmask of callbacks to use, @see newgrf_callbacks.h
byte flags; ///< Bitmask of flags, bit 0: use different sprite set; bit 1: divide cargo about by station size
byte pylons; ///< Bitmask of base tiles (0 - 7) which should contain elrail pylons
byte wires; ///< Bitmask of base tiles (0 - 7) which should contain elrail wires
byte blocked; ///< Bitmask of base tiles (0 - 7) which are blocked to trains
byte lengths;
byte *platforms;
StationLayout **layouts;
/**
* NUM_GLOBAL_CID sprite groups.
* Used for obtaining the sprite offset of custom sprites, and for
* evaluating callbacks.
*/
struct 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.
StringID 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 cls);
void SetStationClassName(StationClassID sclass, StringID name);
StringID GetStationClassName(StationClassID sclass);
StringID *BuildStationClassDropdown(void);
uint GetNumStationClasses(void);
uint GetNumCustomStations(StationClassID sclass);
void SetCustomStationSpec(StationSpec *statspec);
const StationSpec *GetCustomStationSpec(StationClassID sclass, uint station);
const StationSpec *GetCustomStationSpecByGrf(uint32 grfid, byte localidx);
/* Evaluate a tile's position within a station, and return the result a bitstuffed format. */
uint32 GetPlatformInfo(Axis axis, byte tile, int platforms, int length, int x, int y, bool centred);
/* Get sprite offset for a given custom station and station structure (may be
* NULL - that means we are in a build dialog). The station structure is used
* for variational sprite groups. */
SpriteID GetCustomStationRelocation(const StationSpec *statspec, const Station *st, TileIndex tile);
SpriteID GetCustomStationGroundRelocation(const StationSpec *statspec, const Station *st, TileIndex tile);
uint16 GetStationCallback(uint16 callback, uint32 param1, uint32 param2, const StationSpec *statspec, const Station *st, TileIndex tile);
/* Check if a rail station tile is traversable. */
bool IsStationTileBlocked(TileIndex tile);
/* Check if a rail station tile is electrifiable. */
bool IsStationTileElectrifiable(TileIndex tile);
/* Allocate a StationSpec to a Station. This is called once per build operation. */
int AllocateSpecToStation(const StationSpec *statspec, Station *st, bool exec);
/* Deallocate a StationSpec from a Station. Called when removing a single station tile. */
void DeallocateSpecFromStation(Station* st, byte specindex);
/* Draw representation of a station tile for GUI purposes. */
bool DrawStationTile(int x, int y, RailType railtype, Axis axis, StationClassID sclass, uint station);
#endif /* NEWGRF_STATION_H */
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