aircraft_cmd.cpp File Reference

This file deals with aircraft and airport movements functionalities. More...

#include "stdafx.h"
#include "openttd.h"
#include "aircraft.h"
#include "debug.h"
#include "landscape.h"
#include "station_map.h"
#include "timetable.h"
#include "depot_func.h"
#include "news_func.h"
#include "airport.h"
#include "vehicle_gui.h"
#include "newgrf_engine.h"
#include "newgrf_callbacks.h"
#include "newgrf_text.h"
#include "newgrf_sound.h"
#include "spritecache.h"
#include "cargotype.h"
#include "strings_func.h"
#include "command_func.h"
#include "window_func.h"
#include "date_func.h"
#include "vehicle_func.h"
#include "sound_func.h"
#include "functions.h"
#include "variables.h"
#include "cheat_func.h"
#include "autoreplace_func.h"
#include "autoreplace_gui.h"
#include "gfx_func.h"
#include "company_func.h"
#include "settings_type.h"
#include "order_func.h"
#include "effectvehicle_func.h"
#include "table/strings.h"
#include "table/sprites.h"

Go to the source code of this file.

Defines

#define MKIT(a, b, c, d)   ((a & 0xFF) << 24) | ((b & 0xFF) << 16) | ((c & 0xFF) << 8) | ((d & 0xFF) << 0)

Typedefs

typedef void AircraftStateHandler (Vehicle *v, const AirportFTAClass *apc)

Enumerations

enum HelicopterRotorStates { HRS_ROTOR_STOPPED, HRS_ROTOR_MOVING_1, HRS_ROTOR_MOVING_2, HRS_ROTOR_MOVING_3 }

Helicopter rotor animation states.

enum AircraftSpeedLimits {
  SPEED_LIMIT_TAXI = 50, SPEED_LIMIT_APPROACH = 230, SPEED_LIMIT_BROKEN = 320, SPEED_LIMIT_HOLD = 425,
  SPEED_LIMIT_NONE = 0xFFFF
}

Special velocities for aircraft. More...

Functions

static bool AirportMove (Vehicle *v, const AirportFTAClass *apc)

static bool AirportSetBlocks (Vehicle *v, const AirportFTA *current_pos, const AirportFTAClass *apc)

"reserve" a block for the plane

static bool AirportHasBlock (Vehicle *v, const AirportFTA *current_pos, const AirportFTAClass *apc)

static bool AirportFindFreeTerminal (Vehicle *v, const AirportFTAClass *apc)

static bool AirportFindFreeHelipad (Vehicle *v, const AirportFTAClass *apc)

static void CrashAirplane (Vehicle *v)

void AircraftNextAirportPos_and_Order (Vehicle *v)

set the right pos when heading to other airports after takeoff

static byte GetAircraftFlyingAltitude (const Vehicle *v)

Gets the cruise altitude of an aircraft.

static StationID FindNearestHangar (const Vehicle *v)

Find the nearest hangar to v INVALID_STATION is returned, if the company does not have any suitable airports (like helipads only).

SpriteID GetRotorImage (const Vehicle *v)

static SpriteID GetAircraftIcon (EngineID engine)

void DrawAircraftEngine (int x, int y, EngineID engine, SpriteID pal)

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

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

static CommandCost EstimateAircraftCost (EngineID engine, const AircraftVehicleInfo *avi)

uint16 AircraftDefaultCargoCapacity (CargoID cid, const AircraftVehicleInfo *avi)

Calculates cargo capacity based on an aircraft's passenger and mail capacities.

CommandCost CmdBuildAircraft (TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

Build an aircraft.

static void DoDeleteAircraft (Vehicle *v)

CommandCost CmdSellAircraft (TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

Sell an aircraft.

CommandCost CmdSendAircraftToHangar (TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

Send an aircraft to the hangar.

CommandCost CmdRefitAircraft (TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

Refits an aircraft to the specified cargo type.

static void CheckIfAircraftNeedsService (Vehicle *v)

void AircraftYearlyLoop ()

static void AgeAircraftCargo (Vehicle *v)

static void HelicopterTickHandler (Vehicle *v)

static void SetAircraftPosition (Vehicle *v, int x, int y, int z)

void HandleAircraftEnterHangar (Vehicle *v)

Handle Aircraft specific tasks when a an Aircraft enters a hangar.

static void PlayAircraftSound (const Vehicle *v)

void UpdateAircraftCache (Vehicle *v)

Update cached values of an aircraft.

static int UpdateAircraftSpeed (Vehicle *v, uint speed_limit=SPEED_LIMIT_NONE, bool hard_limit=true)

Sets the new speed for an aircraft.

static byte AircraftGetEntryPoint (const Vehicle *v, const AirportFTAClass *apc)

Find the entry point to an airport depending on direction which the airport is being approached from.

static bool AircraftController (Vehicle *v)

Controls the movement of an aircraft.

static void HandleCrashedAircraft (Vehicle *v)

static void HandleBrokenAircraft (Vehicle *v)

static void HandleAircraftSmoke (Vehicle *v)

void HandleMissingAircraftOrders (Vehicle *v)

static void MaybeCrashAirplane (Vehicle *v)

static void AircraftEntersTerminal (Vehicle *v)

we've landed and just arrived at a terminal

static void AircraftLandAirplane (Vehicle *v)

static void AircraftLeaveHangar (Vehicle *v)

static bool CheckSendAircraftToHangarForReplacement (const Vehicle *v)

Checks if an aircraft should head towards a hangar because it needs replacement.

static void AircraftEventHandler_EnterTerminal (Vehicle *v, const AirportFTAClass *apc)

static void AircraftEventHandler_EnterHangar (Vehicle *v, const AirportFTAClass *apc)

static void AircraftEventHandler_InHangar (Vehicle *v, const AirportFTAClass *apc)

In an Airport Hangar.

static void AircraftEventHandler_AtTerminal (Vehicle *v, const AirportFTAClass *apc)

At one of the Airport's Terminals.

static void AircraftEventHandler_General (Vehicle *v, const AirportFTAClass *apc)

static void AircraftEventHandler_TakeOff (Vehicle *v, const AirportFTAClass *apc)

static void AircraftEventHandler_StartTakeOff (Vehicle *v, const AirportFTAClass *apc)

static void AircraftEventHandler_EndTakeOff (Vehicle *v, const AirportFTAClass *apc)

static void AircraftEventHandler_HeliTakeOff (Vehicle *v, const AirportFTAClass *apc)

static void AircraftEventHandler_Flying (Vehicle *v, const AirportFTAClass *apc)

static void AircraftEventHandler_Landing (Vehicle *v, const AirportFTAClass *apc)

static void AircraftEventHandler_HeliLanding (Vehicle *v, const AirportFTAClass *apc)

static void AircraftEventHandler_EndLanding (Vehicle *v, const AirportFTAClass *apc)

static void AircraftEventHandler_HeliEndLanding (Vehicle *v, const AirportFTAClass *apc)

static void AirportClearBlock (const Vehicle *v, const AirportFTAClass *apc)

static void AirportGoToNextPosition (Vehicle *v)

static bool FreeTerminal (Vehicle *v, byte i, byte last_terminal)

static uint GetNumTerminals (const AirportFTAClass *apc)

static uint GetNumHelipads (const AirportFTAClass *apc)

static void AircraftEventHandler (Vehicle *v, int loop)

Station * GetTargetAirportIfValid (const Vehicle *v)

Returns aircraft's target station if v->u.air.target_airport is a valid station with airport.

void UpdateOldAircraft ()

need to be called to load aircraft from old version

void UpdateAirplanesOnNewStation (const Station *st)

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

Variables

static const byte _airport_terminal_state [] = {2, 3, 4, 5, 6, 7, 19, 20, 0, 0, 8, 9, 21, 22}

this maps the terminal to its corresponding state and block flag currently set for 10 terms, 4 helipads

static const byte _airport_terminal_flag [] = {0, 1, 2, 3, 4, 5, 22, 23, 0, 0, 6, 7, 24, 25}

static const SpriteID _aircraft_sprite []

static AircraftStateHandler *const _aircraft_state_handlers []

Detailed Description

This file deals with aircraft and airport movements functionalities.

Definition in file aircraft_cmd.cpp.

Enumeration Type Documentation

enum AircraftSpeedLimits

Special velocities for aircraft.

Enumerator:

SPEED_LIMIT_TAXI	Maximum speed of an aircraft while taxiing.
SPEED_LIMIT_APPROACH	Maximum speed of an aircraft on finals.
SPEED_LIMIT_BROKEN	Maximum speed of an aircraft that is broken.
SPEED_LIMIT_HOLD	Maximum speed of an aircraft that flies the holding pattern.
SPEED_LIMIT_NONE	No environmental speed limit. Speed limit is type dependent.

Definition at line 823 of file aircraft_cmd.cpp.

Function Documentation

static bool AircraftController ( Vehicle * v ) [static]

Controls the movement of an aircraft.

This function actually moves the vehicle on the map and takes care of minor things like sound playback.

Todo:: De-mystify the cur_speed values for helicopter rotors.

Parameters:

v

The vehicle that is moved. Must be the first vehicle of the chain

Returns:: Whether the position requested by the State Machine has been reached

Definition at line 972 of file aircraft_cmd.cpp.

References abs(), AircraftGetEntryPoint(), AircraftNextAirportPos_and_Order(), Station::Airport(), Station::airport_tile, Station::airport_type, ChangeDir(), AirportFTAClass::delta_z, DIRDIFF_45LEFT, DIRDIFF_45RIGHT, DIRDIFF_REVERSE, DIRDIFF_SAME, DirDifference(), GetAircraftFlyingAltitude(), GetNewVehiclePos(), max(), min(), AirportFTAClass::MovingData(), GetNewVehiclePosResult::new_tile, AirportFTAClass::nofelements, SPEED_LIMIT_APPROACH, SPEED_LIMIT_HOLD, SPEED_LIMIT_NONE, SPEED_LIMIT_TAXI, TILE_SIZE, TileX(), TileY(), UpdateAircraftCache(), UpdateAircraftSpeed(), GetNewVehiclePosResult::x, Station::xy, and GetNewVehiclePosResult::y.

uint16 AircraftDefaultCargoCapacity	(	CargoID	cid,
		const AircraftVehicleInfo *	avi
	)

Calculates cargo capacity based on an aircraft's passenger and mail capacities.

Parameters:

	cid	Which cargo type to calculate a capacity for.
	avi	Which engine to find a cargo capacity for.

Returns:: New cargo capacity value.

Definition at line 242 of file aircraft_cmd.cpp.

Referenced by CmdBuildAircraft(), and CmdRefitAircraft().

static byte AircraftGetEntryPoint	(	const Vehicle *	v,
		const AirportFTAClass *	apc
	)			`[static]`

Find the entry point to an airport depending on direction which the airport is being approached from.

Each airport can have up to four entry points for its approach system so that approaching aircraft do not fly through each other or are forced to do 180 degree turns during the approach. The arrivals are grouped into four sectors dependent on the DiagDirection from which the airport is approached.

Parameters:

	v	The vehicle that is approaching the airport
	apc	The Airport Class being approached.

Returns:: The index of the entry point

Definition at line 935 of file aircraft_cmd.cpp.

References abs(), Station::airport_tile, DIAGDIR_NE, DIAGDIR_NW, DIAGDIR_SE, DIAGDIR_SW, AirportFTAClass::entry_points, TILE_SIZE, TileX(), TileY(), and Station::xy.

Referenced by AircraftController(), AircraftNextAirportPos_and_Order(), and UpdateAirplanesOnNewStation().

static bool AirportSetBlocks	(	Vehicle *	v,
		const AirportFTA *	current_pos,
		const AirportFTAClass *	apc
	)			`[static]`

"reserve" a block for the plane

Parameters:

	v	airplane that requires the operation
	current_pos	of the vehicle in the list of blocks
	apc	airport on which block is requsted to be set

Returns:: true on success. Eg, next block was free and we have occupied it

Definition at line 1882 of file aircraft_cmd.cpp.

References Station::airport_flags, AirportFTA::block, HASBITS, AirportFTA::heading, AirportFTAClass::layout, AirportFTA::next, AirportFTA::next_position, AirportFTA::position, and SETBITS.

static bool CheckSendAircraftToHangarForReplacement ( const Vehicle * v ) [inline, static]

Checks if an aircraft should head towards a hangar because it needs replacement.

Parameters:

*v

the vehicle to test

Returns:: true if the aircraft should head towards a hangar

Definition at line 1477 of file aircraft_cmd.cpp.

References CMD_BUILD_AIRCRAFT, DC_QUERY_COST, DoCommand(), EngineReplacementForCompany(), HasBit(), and VehicleHasDepotOrders().

CommandCost CmdBuildAircraft	(	TileIndex	tile,
		uint32	flags,
		uint32	p1,
		uint32	p2
	)

Build an aircraft.

Parameters:

	tile	tile of depot where aircraft is built
	flags	for command
	p1	aircraft type being built (engine)
	p2	unused return result of operation. Could be cost, error

Definition at line 267 of file aircraft_cmd.cpp.

References _settings_game, AIR_AIRCRAFT, AIR_HELICOPTER, AIR_ROTOR, AIR_SHADOW, Aircraft::Aircraft(), AircraftDefaultCargoCapacity(), Station::Airport(), AirportFTAClass::airport_depots, Station::airport_tile, CALLBACK_FAILED, CanAircraftUseStation(), CBID_VEHICLE_REFIT_CAPACITY, CBM_VEHICLE_REFIT_CAPACITY, CMD_ERROR, DC_AUTOREPLACE, DC_EXEC, DC_QUERY_COST, DIR_N, DIR_SE, ENGINE_EXCLUSIVE_PREVIEW, FindFirstRefittableCargo(), CommandCost::GetCost(), GetStationIndex(), GetVehicleCallback(), HasBit(), AirportFTA::heading, INVALID_DIR, InvalidateAutoreplaceWindow(), InvalidateWindow(), InvalidateWindowClassesData(), InvalidateWindowData(), IsEngineBuildable(), IsTileOwner(), AirportFTAClass::layout, VehicleSettings::max_aircraft, AirportFTAClass::nof_depots, AirportFTA::position, return_cmd_error, VehicleSettings::servint_aircraft, SetBit(), TILE_SIZE, TileX(), TileY(), ToTileIndexDiff(), UpdateAircraftCache(), GameSettings::vehicle, and VehicleRandomBits().

CommandCost CmdRefitAircraft	(	TileIndex	tile,
		uint32	flags,
		uint32	p1,
		uint32	p2
	)

Refits an aircraft to the specified cargo type.

Parameters:

	tile	unused
	flags	for command type
	p1	vehicle ID of the aircraft to refit
	p2	various bitstuffed elements p2 = (bit 0-7) - the new cargo type to refit to p2 = (bit 8-15) - the new cargo subtype to refit to p2 = (bit 16) - refit only this vehicle (ignored)

Returns:: cost of refit or error

Definition at line 555 of file aircraft_cmd.cpp.

References AircraftDefaultCargoCapacity(), CALLBACK_FAILED, CanRefitTo(), CBID_VEHICLE_REFIT_CAPACITY, CBM_VEHICLE_REFIT_CAPACITY, CC_PASSENGERS, CMD_ERROR, DC_EXEC, GB(), GetRefitCost(), GetVehicleCallback(), HasBit(), InvalidateWindow(), InvalidateWindowClassesData(), IsValidVehicleID(), and return_cmd_error.

CommandCost CmdSellAircraft	(	TileIndex	tile,
		uint32	flags,
		uint32	p1,
		uint32	p2
	)

Sell an aircraft.

Parameters:

	tile	unused
	flags	for command type
	p1	vehicle ID to be sold
	p2	unused

Returns:: result of operation. Error or sold value

Definition at line 477 of file aircraft_cmd.cpp.

References CMD_ERROR, DC_EXEC, HASBITS, InvalidateWindow(), IsValidVehicleID(), and return_cmd_error.

CommandCost CmdSendAircraftToHangar	(	TileIndex	tile,
		uint32	flags,
		uint32	p1,
		uint32	p2
	)

Send an aircraft to the hangar.

Parameters:

	tile	unused
	flags	for command type
	p1	vehicle ID to send to the hangar
	p2	various bitmasked elements p2 bit 0-3 - DEPOT_ flags (see vehicle.h) p2 bit 8-10 - VLW flag (for mass goto depot)

Returns:: o if everything went well

Definition at line 527 of file aircraft_cmd.cpp.

References CMD_ERROR, DEPOT_MASS_SEND, DEPOT_SERVICE, IsValidVehicleID(), and SendAllVehiclesToDepot().

static StationID FindNearestHangar ( const Vehicle * v ) [static]

Find the nearest hangar to v INVALID_STATION is returned, if the company does not have any suitable airports (like helipads only).

Parameters:

v

vehicle looking for a hangar

Returns:: the StationID if one is found, otherwise, INVALID_STATION

Definition at line 112 of file aircraft_cmd.cpp.

References Station::Airport(), Station::airport_tile, DistanceSquare(), Station::facilities, AirportFTAClass::flags, PoolItem< T, Tid, Tpool >::index, Cheats::no_jetcrash, AirportFTAClass::nof_depots, Station::owner, and Cheat::value.

static byte GetAircraftFlyingAltitude ( const Vehicle * v ) [static]

Gets the cruise altitude of an aircraft.

The cruise altitude is determined by the velocity of the vehicle and the direction it is moving

Parameters:

v

The vehicle. Should be an aircraft

Returns:: Altitude in pixel units

Definition at line 895 of file aircraft_cmd.cpp.

References DIR_E, DIR_N, DIR_NE, DIR_SE, and min().

Referenced by AircraftController(), UpdateAirplanesOnNewStation(), and UpdateOldAircraft().

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

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

Parameters:

	engine	The engine to get the sprite from
	width	The width of the sprite
	height	The height of the sprite

Definition at line 221 of file aircraft_cmd.cpp.

References ST_NORMAL.

Station* GetTargetAirportIfValid ( const Vehicle * v )

Returns aircraft's target station if v->u.air.target_airport is a valid station with airport.

Parameters:

v

vehicle to get target airport for

Returns:: pointer to target station, NULL if invalid

Definition at line 2098 of file aircraft_cmd.cpp.

References Station::airport_tile.

Referenced by AircraftNextAirportPos_and_Order(), and MapAircraftMovementState().

void HandleAircraftEnterHangar ( Vehicle * v )

Handle Aircraft specific tasks when a an Aircraft enters a hangar.

Parameters:

*v

Vehicle that enters the hangar

Definition at line 782 of file aircraft_cmd.cpp.

void UpdateAircraftCache ( Vehicle * v )

Update cached values of an aircraft.

Currently caches callback 36 max speed.

Parameters:

v

Vehicle

Definition at line 806 of file aircraft_cmd.cpp.

Referenced by AfterLoadVehicles(), AircraftController(), CmdBuildAircraft(), StateGameLoop(), and UpdateAirplanesOnNewStation().

static int UpdateAircraftSpeed	(	Vehicle *	v,
		uint	speed_limit = `SPEED_LIMIT_NONE`,
		bool	hard_limit = `true`
	)			`[static]`

Sets the new speed for an aircraft.

Parameters:

	v	The vehicle for which the speed should be obtained
	speed_limit	The maximum speed the vehicle may have.
	hard_limit	If true, the limit is directly enforced, otherwise the plane is slowed down gradually

Returns:: The number of position updates needed within the tick

Definition at line 838 of file aircraft_cmd.cpp.

References _settings_client, _settings_game, ClientSettings::gui, InvalidateWindowWidget(), max(), min(), VehicleSettings::plane_speed, SPEED_LIMIT_BROKEN, GameSettings::vehicle, and GUISettings::vehicle_speed.

Referenced by AircraftController().

void UpdateAirplanesOnNewStation ( const Station * st )

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

Parameters:

st

Station been updated

Definition at line 2151 of file aircraft_cmd.cpp.

References AIR_HELICOPTER, AircraftGetEntryPoint(), Station::Airport(), GetAircraftFlyingAltitude(), GetNewVehiclePos(), AirportFTA::heading, PoolItem< T, Tid, Tpool >::index, IsNormalAircraft(), AirportFTAClass::layout, AirportFTAClass::nofelements, AirportFTA::position, UpdateAircraftCache(), GetNewVehiclePosResult::x, and GetNewVehiclePosResult::y.

Referenced by CmdBuildAirport().

Variable Documentation

const SpriteID _aircraft_sprite[] [static]

Initial value:

 {
  0x0EB5, 0x0EBD, 0x0EC5, 0x0ECD,
  0x0ED5, 0x0EDD, 0x0E9D, 0x0EA5,
  0x0EAD, 0x0EE5, 0x0F05, 0x0F0D,
  0x0F15, 0x0F1D, 0x0F25, 0x0F2D,
  0x0EED, 0x0EF5, 0x0EFD, 0x0F35,
  0x0E9D, 0x0EA5, 0x0EAD, 0x0EB5,
  0x0EBD, 0x0EC5
}

Definition at line 88 of file aircraft_cmd.cpp.

AircraftStateHandler* const _aircraft_state_handlers[] [static]

Initial value:

 {
  AircraftEventHandler_General,        
  AircraftEventHandler_InHangar,       
  AircraftEventHandler_AtTerminal,     
  AircraftEventHandler_AtTerminal,     
  AircraftEventHandler_AtTerminal,     
  AircraftEventHandler_AtTerminal,     
  AircraftEventHandler_AtTerminal,     
  AircraftEventHandler_AtTerminal,     
  AircraftEventHandler_AtTerminal,     
  AircraftEventHandler_AtTerminal,     
  AircraftEventHandler_TakeOff,        
  AircraftEventHandler_StartTakeOff,   
  AircraftEventHandler_EndTakeOff,     
  AircraftEventHandler_HeliTakeOff,    
  AircraftEventHandler_Flying,         
  AircraftEventHandler_Landing,        
  AircraftEventHandler_EndLanding,     
  AircraftEventHandler_HeliLanding,    
  AircraftEventHandler_HeliEndLanding, 
  AircraftEventHandler_AtTerminal,     
  AircraftEventHandler_AtTerminal,     
  AircraftEventHandler_AtTerminal,     
  AircraftEventHandler_AtTerminal,     
}

Definition at line 1754 of file aircraft_cmd.cpp.


Defines
#define	MKIT(a, b, c, d) ((a & 0xFF) << 24) \| ((b & 0xFF) << 16) \| ((c & 0xFF) << 8) \| ((d & 0xFF) << 0)
Typedefs
typedef void	AircraftStateHandler (Vehicle v, const AirportFTAClass apc)
Enumerations
enum	HelicopterRotorStates { HRS_ROTOR_STOPPED, HRS_ROTOR_MOVING_1, HRS_ROTOR_MOVING_2, HRS_ROTOR_MOVING_3 }
	Helicopter rotor animation states.
enum	AircraftSpeedLimits { SPEED_LIMIT_TAXI = 50, SPEED_LIMIT_APPROACH = 230, SPEED_LIMIT_BROKEN = 320, SPEED_LIMIT_HOLD = 425, SPEED_LIMIT_NONE = 0xFFFF }
	Special velocities for aircraft. More...
Functions
static bool	AirportMove (Vehicle v, const AirportFTAClass apc)
static bool	AirportSetBlocks (Vehicle v, const AirportFTA current_pos, const AirportFTAClass *apc)
	"reserve" a block for the plane
static bool	AirportHasBlock (Vehicle v, const AirportFTA current_pos, const AirportFTAClass *apc)
static bool	AirportFindFreeTerminal (Vehicle v, const AirportFTAClass apc)
static bool	AirportFindFreeHelipad (Vehicle v, const AirportFTAClass apc)
static void	CrashAirplane (Vehicle *v)
void	AircraftNextAirportPos_and_Order (Vehicle *v)
	set the right pos when heading to other airports after takeoff
static byte	GetAircraftFlyingAltitude (const Vehicle *v)
	Gets the cruise altitude of an aircraft.
static StationID	FindNearestHangar (const Vehicle *v)
	Find the nearest hangar to v INVALID_STATION is returned, if the company does not have any suitable airports (like helipads only).
SpriteID	GetRotorImage (const Vehicle *v)
static SpriteID	GetAircraftIcon (EngineID engine)
void	DrawAircraftEngine (int x, int y, EngineID engine, SpriteID pal)
void	GetAircraftSpriteSize (EngineID engine, uint &width, uint &height)
	Get the size of the sprite of an aircraft sprite heading west (used for lists).
static CommandCost	EstimateAircraftCost (EngineID engine, const AircraftVehicleInfo *avi)
uint16	AircraftDefaultCargoCapacity (CargoID cid, const AircraftVehicleInfo *avi)
	Calculates cargo capacity based on an aircraft's passenger and mail capacities.
CommandCost	CmdBuildAircraft (TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
	Build an aircraft.
static void	DoDeleteAircraft (Vehicle *v)
CommandCost	CmdSellAircraft (TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
	Sell an aircraft.
CommandCost	CmdSendAircraftToHangar (TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
	Send an aircraft to the hangar.
CommandCost	CmdRefitAircraft (TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
	Refits an aircraft to the specified cargo type.
static void	CheckIfAircraftNeedsService (Vehicle *v)
void	AircraftYearlyLoop ()
static void	AgeAircraftCargo (Vehicle *v)
static void	HelicopterTickHandler (Vehicle *v)
static void	SetAircraftPosition (Vehicle *v, int x, int y, int z)
void	HandleAircraftEnterHangar (Vehicle *v)
	Handle Aircraft specific tasks when a an Aircraft enters a hangar.
static void	PlayAircraftSound (const Vehicle *v)
void	UpdateAircraftCache (Vehicle *v)
	Update cached values of an aircraft.
static int	UpdateAircraftSpeed (Vehicle *v, uint speed_limit=SPEED_LIMIT_NONE, bool hard_limit=true)
	Sets the new speed for an aircraft.
static byte	AircraftGetEntryPoint (const Vehicle v, const AirportFTAClass apc)
	Find the entry point to an airport depending on direction which the airport is being approached from.
static bool	AircraftController (Vehicle *v)
	Controls the movement of an aircraft.
static void	HandleCrashedAircraft (Vehicle *v)
static void	HandleBrokenAircraft (Vehicle *v)
static void	HandleAircraftSmoke (Vehicle *v)
void	HandleMissingAircraftOrders (Vehicle *v)
static void	MaybeCrashAirplane (Vehicle *v)
static void	AircraftEntersTerminal (Vehicle *v)
	we've landed and just arrived at a terminal
static void	AircraftLandAirplane (Vehicle *v)
static void	AircraftLeaveHangar (Vehicle *v)
static bool	CheckSendAircraftToHangarForReplacement (const Vehicle *v)
	Checks if an aircraft should head towards a hangar because it needs replacement.
static void	AircraftEventHandler_EnterTerminal (Vehicle v, const AirportFTAClass apc)
static void	AircraftEventHandler_EnterHangar (Vehicle v, const AirportFTAClass apc)
static void	AircraftEventHandler_InHangar (Vehicle v, const AirportFTAClass apc)
	In an Airport Hangar.
static void	AircraftEventHandler_AtTerminal (Vehicle v, const AirportFTAClass apc)
	At one of the Airport's Terminals.
static void	AircraftEventHandler_General (Vehicle v, const AirportFTAClass apc)
static void	AircraftEventHandler_TakeOff (Vehicle v, const AirportFTAClass apc)
static void	AircraftEventHandler_StartTakeOff (Vehicle v, const AirportFTAClass apc)
static void	AircraftEventHandler_EndTakeOff (Vehicle v, const AirportFTAClass apc)
static void	AircraftEventHandler_HeliTakeOff (Vehicle v, const AirportFTAClass apc)
static void	AircraftEventHandler_Flying (Vehicle v, const AirportFTAClass apc)
static void	AircraftEventHandler_Landing (Vehicle v, const AirportFTAClass apc)
static void	AircraftEventHandler_HeliLanding (Vehicle v, const AirportFTAClass apc)
static void	AircraftEventHandler_EndLanding (Vehicle v, const AirportFTAClass apc)
static void	AircraftEventHandler_HeliEndLanding (Vehicle v, const AirportFTAClass apc)
static void	AirportClearBlock (const Vehicle v, const AirportFTAClass apc)
static void	AirportGoToNextPosition (Vehicle *v)
static bool	FreeTerminal (Vehicle *v, byte i, byte last_terminal)
static uint	GetNumTerminals (const AirportFTAClass *apc)
static uint	GetNumHelipads (const AirportFTAClass *apc)
static void	AircraftEventHandler (Vehicle *v, int loop)
Station *	GetTargetAirportIfValid (const Vehicle *v)
	Returns aircraft's target station if v->u.air.target_airport is a valid station with airport.
void	UpdateOldAircraft ()
	need to be called to load aircraft from old version
void	UpdateAirplanesOnNewStation (const Station *st)
	Updates the status of the Aircraft heading or in the station.
Variables
static const byte	_airport_terminal_state [] = {2, 3, 4, 5, 6, 7, 19, 20, 0, 0, 8, 9, 21, 22}
	this maps the terminal to its corresponding state and block flag currently set for 10 terms, 4 helipads
static const byte	_airport_terminal_flag [] = {0, 1, 2, 3, 4, 5, 22, 23, 0, 0, 6, 7, 24, 25}
static const SpriteID	_aircraft_sprite []
static AircraftStateHandler *const	_aircraft_state_handlers []