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/* $Id$ */

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/** @file aircraft.h */

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#ifndef AIRCRAFT_H

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#define AIRCRAFT_H

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#include "station_map.h"

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#include "vehicle.h"

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/** An aircraft can be one ot those types */

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enum AircraftSubType {

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	AIR_HELICOPTER = 0, ///< an helicopter

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	AIR_AIRCRAFT   = 2, ///< an airplane

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	AIR_SHADOW     = 4, ///< shadow of the aircraft

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	AIR_ROTOR      = 6  ///< rotor of an helicopter

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};

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/** Check if the aircraft type is a normal flying device; eg

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 * not a rotor or a shadow

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 * @param v vehicle to check

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 * @return Returns true if the aircraft is a helicopter/airplane and

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 * false if it is a shadow or a rotor) */

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static inline bool IsNormalAircraft(const Vehicle *v)

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{

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	assert(v->type == VEH_AIRCRAFT);

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	/* To be fully correct the commented out functionality is the proper one,

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	 * but since value can only be 0 or 2, it is sufficient to only check <= 2

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	 * return (v->subtype == AIR_HELICOPTER) || (v->subtype == AIR_AIRCRAFT); */

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	return v->subtype <= AIR_AIRCRAFT;

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}

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/** Check if this aircraft is in a hangar

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 * @param v vehicle to check

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 * @return true if in hangar

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 */

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static inline bool IsAircraftInHangar(const Vehicle* v)

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{

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	assert(v->type == VEH_AIRCRAFT);

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	return v->vehstatus & VS_HIDDEN && IsHangarTile(v->tile);

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}

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/** Check if this aircraft is in a hangar and stopped

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 * @param v vehicle to check

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 * @return true if in hangar and stopped

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 */

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static inline bool IsAircraftInHangarStopped(const Vehicle* v)

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{

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	return IsAircraftInHangar(v) && v->vehstatus & VS_STOPPED;

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}

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/** Checks if an aircraft is buildable at the tile in question

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 * @param engine The engine to test

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 * @param tile The tile where the hangar is

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 * @return true if the aircraft can be build

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 */

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static inline bool IsAircraftBuildableAtStation(EngineID engine, TileIndex tile)

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{

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	const Station *st = GetStationByTile(tile);

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	const AirportFTAClass *apc = st->Airport();

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	const AircraftVehicleInfo *avi = AircraftVehInfo(engine);

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	return (apc->flags & (avi->subtype & AIR_CTOL ? AirportFTAClass::AIRPLANES : AirportFTAClass::HELICOPTERS)) != 0;

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}

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/**

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 * Calculates cargo capacity based on an aircraft's passenger

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 * and mail capacities.

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 * @param cid Which cargo type to calculate a capacity for.

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 * @param avi Which engine to find a cargo capacity for.

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 * @return New cargo capacity value.

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 */

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uint16 AircraftDefaultCargoCapacity(CargoID cid, const AircraftVehicleInfo *avi);

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/**

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 * This is the Callback method after the construction attempt of an aircraft

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 * @param success indicates completion (or not) of the operation

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 * @param tile of depot where aircraft is built

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 * @param p1 unused

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 * @param p2 unused

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 */

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void CcBuildAircraft(bool success, TileIndex tile, uint32 p1, uint32 p2);

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/**

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 * This is the Callback method after the cloning attempt of an aircraft

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 * @param success indicates completion (or not) of the operation

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 * @param tile unused

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 * @param p1 unused

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 * @param p2 unused

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 */

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void CcCloneAircraft(bool success, TileIndex tile, uint32 p1, uint32 p2);

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/** Handle Aircraft specific tasks when a an Aircraft enters a hangar

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 * @param *v Vehicle that enters the hangar

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 */

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void HandleAircraftEnterHangar(Vehicle *v);

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/** Get the size of the sprite of an aircraft sprite heading west (used for lists)

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 * @param engine The engine to get the sprite from

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 * @param width The width of the sprite

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 * @param height The height of the sprite

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 */

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void GetAircraftSpriteSize(EngineID engine, uint &width, uint &height);

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/**

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 * Updates the status of the Aircraft heading or in the station

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 * @param st Station been updated

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 */

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void UpdateAirplanesOnNewStation(const Station *st);

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#endif /* AIRCRAFT_H */