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