rubidium@9837: /* $Id$ */
rubidium@9837: 
rubidium@9837: /** @file station_base.h Base classes/functions for stations. */
rubidium@9837: 
rubidium@9837: #ifndef STATION_BASE_H
rubidium@9837: #define STATION_BASE_H
rubidium@9837: 
rubidium@9837: #include "station_type.h"
rubidium@9837: #include "airport.h"
rubidium@9837: #include "oldpool.h"
rubidium@9837: #include "cargopacket.h"
rubidium@9837: #include "cargo_type.h"
rubidium@9837: #include "town_type.h"
rubidium@9837: #include "strings_type.h"
rubidium@9837: #include "date_type.h"
rubidium@9837: #include "vehicle_type.h"
rubidium@9837: #include "player_type.h"
rubidium@9837: #include "core/geometry_type.hpp"
rubidium@9837: #include <list>
rubidium@9837: 
rubidium@9837: DECLARE_OLD_POOL(Station, Station, 6, 1000)
rubidium@9837: DECLARE_OLD_POOL(RoadStop, RoadStop, 5, 2000)
rubidium@9837: 
rubidium@9837: static const byte INITIAL_STATION_RATING = 175;
rubidium@9837: 
rubidium@9837: struct GoodsEntry {
rubidium@9837: 	enum AcceptancePickup {
rubidium@9837: 		ACCEPTANCE,
rubidium@9837: 		PICKUP
rubidium@9837: 	};
rubidium@9837: 
rubidium@9837: 	GoodsEntry() :
rubidium@9837: 		acceptance_pickup(0),
rubidium@9837: 		days_since_pickup(255),
rubidium@9837: 		rating(INITIAL_STATION_RATING),
rubidium@9837: 		last_speed(0),
rubidium@9837: 		last_age(255)
rubidium@9837: 	{}
rubidium@9837: 
rubidium@9837: 	byte acceptance_pickup;
rubidium@9837: 	byte days_since_pickup;
rubidium@9837: 	byte rating;
rubidium@9837: 	byte last_speed;
rubidium@9837: 	byte last_age;
rubidium@9837: 	CargoList cargo; ///< The cargo packets of cargo waiting in this station
rubidium@9837: };
rubidium@9837: 
rubidium@9837: /** A Stop for a Road Vehicle */
rubidium@9837: struct RoadStop : PoolItem<RoadStop, RoadStopID, &_RoadStop_pool> {
rubidium@9837: 	static const int  cDebugCtorLevel =  5;  ///< Debug level on which Contructor / Destructor messages are printed
rubidium@9837: 	static const uint LIMIT           = 16;  ///< The maximum amount of roadstops that are allowed at a single station
rubidium@9837: 	static const uint MAX_BAY_COUNT   =  2;  ///< The maximum number of loading bays
rubidium@9837: 
rubidium@9837: 	TileIndex        xy;                    ///< Position on the map
rubidium@9837: 	byte             status;                ///< Current status of the Stop. Like which spot is taken. Access using *Bay and *Busy functions.
rubidium@9837: 	byte             num_vehicles;          ///< Number of vehicles currently slotted to this stop
rubidium@9837: 	struct RoadStop  *next;                 ///< Next stop of the given type at this station
rubidium@9837: 
rubidium@9837: 	RoadStop(TileIndex tile = 0);
rubidium@9837: 	virtual ~RoadStop();
rubidium@9837: 
rubidium@9837: 	/**
rubidium@9837: 	 * Determines whether a road stop exists
rubidium@9837: 	 * @return true if and only is the road stop exists
rubidium@9837: 	 */
rubidium@9837: 	inline bool IsValid() const { return this->xy != 0; }
rubidium@9837: 
rubidium@9837: 	/* For accessing status */
rubidium@9837: 	bool HasFreeBay() const;
rubidium@9837: 	bool IsFreeBay(uint nr) const;
rubidium@9837: 	uint AllocateBay();
rubidium@9837: 	void AllocateDriveThroughBay(uint nr);
rubidium@9837: 	void FreeBay(uint nr);
rubidium@9837: 	bool IsEntranceBusy() const;
rubidium@9837: 	void SetEntranceBusy(bool busy);
rubidium@9837: 
rubidium@9837: 	RoadStop *GetNextRoadStop(const Vehicle *v) const;
rubidium@9837: };
rubidium@9837: 
rubidium@9837: struct StationSpecList {
rubidium@9837: 	const StationSpec *spec;
rubidium@9837: 	uint32 grfid;      ///< GRF ID of this custom station
rubidium@9837: 	uint8  localidx;   ///< Station ID within GRF of station
rubidium@9837: };
rubidium@9837: 
rubidium@9837: /** StationRect - used to track station spread out rectangle - cheaper than scanning whole map */
rubidium@9837: struct StationRect : public Rect {
rubidium@9837: 	enum StationRectMode
rubidium@9837: 	{
rubidium@9837: 		ADD_TEST = 0,
rubidium@9837: 		ADD_TRY,
rubidium@9837: 		ADD_FORCE
rubidium@9837: 	};
rubidium@9837: 
rubidium@9837: 	StationRect();
rubidium@9837: 	void MakeEmpty();
rubidium@9837: 	bool PtInExtendedRect(int x, int y, int distance = 0) const;
rubidium@9837: 	bool IsEmpty() const;
rubidium@9837: 	bool BeforeAddTile(TileIndex tile, StationRectMode mode);
rubidium@9837: 	bool BeforeAddRect(TileIndex tile, int w, int h, StationRectMode mode);
rubidium@9837: 	bool AfterRemoveTile(Station *st, TileIndex tile);
rubidium@9837: 	bool AfterRemoveRect(Station *st, TileIndex tile, int w, int h);
rubidium@9837: 
rubidium@9837: 	static bool ScanForStationTiles(StationID st_id, int left_a, int top_a, int right_a, int bottom_a);
rubidium@9837: 
rubidium@9837: 	StationRect& operator = (Rect src);
rubidium@9837: };
rubidium@9837: 
rubidium@9837: struct Station : PoolItem<Station, StationID, &_Station_pool> {
rubidium@9837: public:
rubidium@9837: 	RoadStop *GetPrimaryRoadStop(RoadStopType type) const
rubidium@9837: 	{
rubidium@9837: 		return type == ROADSTOP_BUS ? bus_stops : truck_stops;
rubidium@9837: 	}
rubidium@9837: 
rubidium@9837: 	RoadStop *GetPrimaryRoadStop(const Vehicle *v) const;
rubidium@9837: 
rubidium@9837: 	const AirportFTAClass *Airport() const
rubidium@9837: 	{
rubidium@9837: 		if (airport_tile == 0) return GetAirport(AT_DUMMY);
rubidium@9837: 		return GetAirport(airport_type);
rubidium@9837: 	}
rubidium@9837: 
rubidium@9837: 	TileIndex xy;
rubidium@9837: 	RoadStop *bus_stops;
rubidium@9837: 	RoadStop *truck_stops;
rubidium@9837: 	TileIndex train_tile;
rubidium@9837: 	TileIndex airport_tile;
rubidium@9837: 	TileIndex dock_tile;
rubidium@9837: 	Town *town;
rubidium@9837: 	StringID string_id;     ///< Default name (town area) of station
rubidium@9837: 	char *name;             ///< Custom name
rubidium@9837: 
rubidium@9837: 	ViewportSign sign;
rubidium@9837: 
rubidium@9837: 	uint16 had_vehicle_of_type;
rubidium@9837: 
rubidium@9837: 	byte time_since_load;
rubidium@9837: 	byte time_since_unload;
rubidium@9837: 	byte delete_ctr;
rubidium@9837: 	PlayerByte owner;
rubidium@9837: 	byte facilities;
rubidium@9837: 	byte airport_type;
rubidium@9837: 
rubidium@9837: 	/* trainstation width/height */
rubidium@9837: 	byte trainst_w, trainst_h;
rubidium@9837: 
rubidium@9837: 	/** List of custom stations (StationSpecs) allocated to the station */
rubidium@9837: 	uint8 num_specs;
rubidium@9837: 	StationSpecList *speclist;
rubidium@9837: 
rubidium@9837: 	Date build_date;
rubidium@9837: 
rubidium@9837: 	uint64 airport_flags;   ///< stores which blocks on the airport are taken. was 16 bit earlier on, then 32
rubidium@9837: 
rubidium@9837: 	byte last_vehicle_type;
rubidium@9837: 	std::list<Vehicle *> loading_vehicles;
rubidium@9837: 	GoodsEntry goods[NUM_CARGO];
rubidium@9837: 
rubidium@9837: 	uint16 random_bits;
rubidium@9837: 	byte waiting_triggers;
rubidium@9837: 
rubidium@9837: 	StationRect rect; ///< Station spread out rectangle (not saved) maintained by StationRect_xxx() functions
rubidium@9837: 
rubidium@9837: 	static const int cDebugCtorLevel = 5;
rubidium@9837: 
rubidium@9837: 	Station(TileIndex tile = 0);
rubidium@9837: 	virtual ~Station();
rubidium@9837: 
rubidium@9837: 	void AddFacility(byte new_facility_bit, TileIndex facil_xy);
rubidium@9837: 
rubidium@9837: 	/**
rubidium@9837: 	 * Mark the sign of a station dirty for repaint.
rubidium@9837: 	 *
rubidium@9837: 	 * @ingroup dirty
rubidium@9837: 	 */
rubidium@9837: 	void MarkDirty() const;
rubidium@9837: 
rubidium@9837: 	/**
rubidium@9837: 	 * Marks the tiles of the station as dirty.
rubidium@9837: 	 *
rubidium@9837: 	 * @ingroup dirty
rubidium@9837: 	 */
rubidium@9837: 	void MarkTilesDirty(bool cargo_change) const;
rubidium@9837: 	bool TileBelongsToRailStation(TileIndex tile) const;
rubidium@9837: 	uint GetPlatformLength(TileIndex tile, DiagDirection dir) const;
rubidium@9837: 	uint GetPlatformLength(TileIndex tile) const;
rubidium@9837: 	bool IsBuoy() const;
rubidium@9837: 
rubidium@9837: 	/**
rubidium@9837: 	 * Determines whether a station exists
rubidium@9837: 	 * @return true if and only is the station exists
rubidium@9837: 	 */
rubidium@9837: 	inline bool IsValid() const { return this->xy != 0; }
rubidium@9837: };
rubidium@9837: 
rubidium@9837: static inline StationID GetMaxStationIndex()
rubidium@9837: {
rubidium@9837: 	/* TODO - This isn't the real content of the function, but
rubidium@9837: 	 *  with the new pool-system this will be replaced with one that
rubidium@9837: 	 *  _really_ returns the highest index. Now it just returns
rubidium@9837: 	 *  the next safe value we are sure about everything is below.
rubidium@9837: 	 */
rubidium@9837: 	return GetStationPoolSize() - 1;
rubidium@9837: }
rubidium@9837: 
rubidium@9837: static inline uint GetNumStations()
rubidium@9837: {
rubidium@9837: 	return GetStationPoolSize();
rubidium@9837: }
rubidium@9837: 
rubidium@9837: static inline bool IsValidStationID(StationID index)
rubidium@9837: {
rubidium@9837: 	return index < GetStationPoolSize() && GetStation(index)->IsValid();
rubidium@9837: }
rubidium@9837: 
rubidium@9837: #define FOR_ALL_STATIONS_FROM(st, start) for (st = GetStation(start); st != NULL; st = (st->index + 1U < GetStationPoolSize()) ? GetStation(st->index + 1U) : NULL) if (st->IsValid())
rubidium@9837: #define FOR_ALL_STATIONS(st) FOR_ALL_STATIONS_FROM(st, 0)
rubidium@9837: 
rubidium@9837: 
rubidium@9837: /* Stuff for ROADSTOPS */
rubidium@9837: 
rubidium@9837: #define FOR_ALL_ROADSTOPS_FROM(rs, start) for (rs = GetRoadStop(start); rs != NULL; rs = (rs->index + 1U < GetRoadStopPoolSize()) ? GetRoadStop(rs->index + 1U) : NULL) if (rs->IsValid())
rubidium@9837: #define FOR_ALL_ROADSTOPS(rs) FOR_ALL_ROADSTOPS_FROM(rs, 0)
rubidium@9837: 
rubidium@9837: /* End of stuff for ROADSTOPS */
rubidium@9837: 
rubidium@9837: #endif /* STATION_BASE_H */