Functions related to vehicles. More...

#include "gfx_type.h"
#include "direction_type.h"
#include "timer/timer_game_economy.h"
#include "command_type.h"
#include "vehicle_type.h"
#include "engine_type.h"
#include "transport_type.h"
#include "newgrf_config.h"
#include "track_type.h"
#include "livery.h"

Data Structures
struct	GetNewVehiclePosResult
	Position information of a vehicle after it moved. More...

Macros
#define	is_custom_sprite(x) (x >= 0xFD)

#define	IS_CUSTOM_FIRSTHEAD_SPRITE(x) (x == 0xFD)

#define	IS_CUSTOM_SECONDHEAD_SPRITE(x) (x == 0xFE)

Typedefs
typedef Vehicle *	VehicleFromPosProc(Vehicle v, void data)

typedef std::vector< VehicleID >	VehicleSet

Functions
template<VehicleType T>
bool	IsValidImageIndex (uint8_t image_index)
	Helper to check whether an image index is valid for a particular vehicle. More...

void	VehicleServiceInDepot (Vehicle *v)
	Service a vehicle and all subsequent vehicles in the consist. More...

uint	CountVehiclesInChain (const Vehicle *v)

void	FindVehicleOnPos (TileIndex tile, void data, VehicleFromPosProc proc)
	Find a vehicle from a specific location. More...

void	FindVehicleOnPosXY (int x, int y, void data, VehicleFromPosProc proc)
	Find a vehicle from a specific location. More...

bool	HasVehicleOnPos (TileIndex tile, void data, VehicleFromPosProc proc)
	Checks whether a vehicle is on a specific location. More...

bool	HasVehicleOnPosXY (int x, int y, void data, VehicleFromPosProc proc)
	Checks whether a vehicle in on a specific location. More...

void	CallVehicleTicks ()

uint8_t	CalcPercentVehicleFilled (const Vehicle v, StringID colour)
	Calculates how full a vehicle is. More...

void	VehicleLengthChanged (const Vehicle *u)
	Logs a bug in GRF and shows a warning message if this is for the first time this happened. More...

void	ResetVehicleHash ()

void	ResetVehicleColourMap ()

uint8_t	GetBestFittingSubType (Vehicle v_from, Vehicle v_for, CargoID dest_cargo_type)
	Get the best fitting subtype when 'cloning'/'replacing' v_from with v_for. More...

void	ViewportAddVehicles (DrawPixelInfo *dpi)
	Add the vehicle sprites that should be drawn at a part of the screen. More...

void	ShowNewGrfVehicleError (EngineID engine, StringID part1, StringID part2, GRFBugs bug_type, bool critical)
	Displays a "NewGrf Bug" error message for a engine, and pauses the game if not networking. More...

CommandCost	TunnelBridgeIsFree (TileIndex tile, TileIndex endtile, const Vehicle *ignore=nullptr)
	Finds vehicle in tunnel / bridge. More...

void	DecreaseVehicleValue (Vehicle *v)
	Decrease the value of a vehicle. More...

void	CheckVehicleBreakdown (Vehicle *v)

void	EconomyAgeVehicle (Vehicle *v)
	Update economy age of a vehicle. More...

void	AgeVehicle (Vehicle *v)
	Update age of a vehicle. More...

void	RunVehicleCalendarDayProc ()
	Age all vehicles, spreading out the action using the current TimerGameCalendar::date_fract.

void	VehicleEnteredDepotThisTick (Vehicle *v)
	Adds a vehicle to the list of vehicles that visited a depot this tick. More...

UnitID	GetFreeUnitNumber (VehicleType type)
	Get an unused unit number for a vehicle (if allowed). More...

void	VehicleEnterDepot (Vehicle *v)
	Vehicle entirely entered the depot, update its status, orders, vehicle windows, service it, etc. More...

bool	CanBuildVehicleInfrastructure (VehicleType type, uint8_t subtype=0)
	Check whether we can build infrastructure for the given vehicle type. More...

GetNewVehiclePosResult	GetNewVehiclePos (const Vehicle *v)
	Get position information of a vehicle when moving one pixel in the direction it is facing. More...

Direction	GetDirectionTowards (const Vehicle *v, int x, int y)

bool	IsCompanyBuildableVehicleType (VehicleType type)
	Is the given vehicle type buildable by a company? More...

bool	IsCompanyBuildableVehicleType (const BaseVehicle *v)
	Is the given vehicle buildable by a company? More...

LiveryScheme	GetEngineLiveryScheme (EngineID engine_type, EngineID parent_engine_type, const Vehicle *v)
	Determines the LiveryScheme for a vehicle. More...

const struct Livery *	GetEngineLivery (EngineID engine_type, CompanyID company, EngineID parent_engine_type, const Vehicle *v, uint8_t livery_setting)
	Determines the livery for a vehicle. More...

SpriteID	GetEnginePalette (EngineID engine_type, CompanyID company)
	Get the colour map for an engine. More...

SpriteID	GetVehiclePalette (const Vehicle *v)
	Get the colour map for a vehicle. More...

StringID	GetCmdBuildVehMsg (VehicleType type)

StringID	GetCmdBuildVehMsg (const BaseVehicle *v)

StringID	GetCmdSellVehMsg (VehicleType type)

StringID	GetCmdSellVehMsg (const BaseVehicle *v)

StringID	GetCmdRefitVehMsg (VehicleType type)

StringID	GetCmdRefitVehMsg (const BaseVehicle *v)

StringID	GetCmdSendToDepotMsg (VehicleType type)

StringID	GetCmdSendToDepotMsg (const BaseVehicle *v)

CommandCost	EnsureNoVehicleOnGround (TileIndex tile)
	Ensure there is no vehicle at the ground at the given position. More...

CommandCost	EnsureNoTrainOnTrackBits (TileIndex tile, TrackBits track_bits)
	Tests if a vehicle interacts with the specified track bits. More...

bool	CanVehicleUseStation (EngineID engine_type, const struct Station *st)

bool	CanVehicleUseStation (const Vehicle v, const struct Station st)

StringID	GetVehicleCannotUseStationReason (const Vehicle v, const Station st)
	Get reason string why this station can't be used by the given vehicle. More...

void	ReleaseDisasterVehicle (VehicleID vehicle)
	Notify disasters that we are about to delete a vehicle. More...

void	GetVehicleSet (VehicleSet &set, Vehicle *v, uint8_t num_vehicles)
	Calculates the set of vehicles that will be affected by a given selection. More...

void	CheckCargoCapacity (Vehicle *v)
	Check the capacity of all vehicles in a chain and spread cargo if needed. More...

bool	VehiclesHaveSameEngineList (const Vehicle v1, const Vehicle v2)
	Checks if two vehicle chains have the same list of engines. More...

bool	VehiclesHaveSameOrderList (const Vehicle v1, const Vehicle v2)
	Checks if two vehicles have the same list of orders. More...

bool	IsUniqueVehicleName (const std::string &name)
	Test if a name is unique among vehicle names. More...

Variables
static const TimerGameEconomy::Date	VEHICLE_PROFIT_MIN_AGE = CalendarTime::DAYS_IN_YEAR * 2
	Only vehicles older than this have a meaningful profit.

static const Money	VEHICLE_PROFIT_THRESHOLD = 10000
	Threshold for a vehicle to be considered making good profit.

const StringID	_veh_build_msg_table []

const StringID	_veh_sell_msg_table []

const StringID	_veh_refit_msg_table []

const StringID	_send_to_depot_msg_table []

Detailed Description

Functions related to vehicles.

Definition in file vehicle_func.h.

Function Documentation

◆ AgeVehicle()

void AgeVehicle ( Vehicle * v )

Update age of a vehicle.

Parameters

v	Vehicle to update.

Definition at line 1441 of file vehicle.cpp.

References _local_company, _settings_client, AddVehicleAdviceNewsItem(), Vehicle::age, Engine::company_avail, TimerGame< struct Calendar >::DateAtStartOfYear(), TimerGameConst< struct Calendar >::DAYS_IN_LEAP_YEAR, CompanySettings::engine_renew, Vehicle::engine_type, EngineHasReplacementForCompany(), SpecializedVehicle< T, Type >::From(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_company_pool >::Get(), Vehicle::GetEngine(), Vehicle::group_id, ClientSettings::gui, Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem< Tpool >::index, Vehicle::IsPrimaryVehicle(), Vehicle::max_age, TimerGameConst< struct Calendar >::MAX_DATE, GUISettings::old_vehicle_warn, Vehicle::owner, Vehicle::Previous(), Vehicle::reliability_spd_dec, SetDParam(), CompanyProperties::settings, SetWindowDirty(), BaseVehicle::type, VEH_TRAIN, Vehicle::vehstatus, VS_CRASHED, VS_STOPPED, and WC_VEHICLE_DETAILS.

Referenced by Aircraft::OnNewCalendarDay(), RoadVehicle::OnNewCalendarDay(), Ship::OnNewCalendarDay(), and Train::OnNewCalendarDay().

◆ CalcPercentVehicleFilled()

uint8_t CalcPercentVehicleFilled	(	const Vehicle *	front,
		StringID *	colour
	)

Calculates how full a vehicle is.

Parameters

front	The front vehicle of the consist to check.
colour	The string to show depending on if we are unloading or loading

Returns: A percentage of how full the Vehicle is. Percentages are rounded towards 50%, so that 0% and 100% are only returned if the vehicle is completely empty or full. This is useful for both display and conditional orders.

Definition at line 1493 of file vehicle.cpp.

References Vehicle::current_order, and Order::IsType().

Referenced by AfterLoadVehiclesPhase2().

◆ CanBuildVehicleInfrastructure()

bool CanBuildVehicleInfrastructure	(	VehicleType	type,
		uint8_t	subtype
	)

Check whether we can build infrastructure for the given vehicle type.

This to disable building stations etc. when you are not allowed/able to have the vehicle type yet.

Parameters

type	the vehicle type to check this for

Returns: true if there is any reason why you may build the infrastructure for the given vehicle type

Definition at line 1922 of file vehicle.cpp.

References _local_company, _settings_game, HasAnyRailTypesAvail(), HasAnyRoadTypesAvail(), IsCompanyBuildableVehicleType(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_company_pool >::IsValidID(), VehicleSettings::max_aircraft, VehicleSettings::max_roadveh, VehicleSettings::max_ships, VehicleSettings::max_trains, VEH_AIRCRAFT, VEH_ROAD, VEH_SHIP, VEH_TRAIN, and GameSettings::vehicle.

Referenced by BuildAirToolbarWindow::OnInvalidateData(), BuildDocksToolbarWindow::OnInvalidateData(), and BuildRailToolbarWindow::OnInvalidateData().

◆ CheckCargoCapacity()

void CheckCargoCapacity ( Vehicle * v )

Check the capacity of all vehicles in a chain and spread cargo if needed.

Parameters

v	The vehicle to check.

Precondition: You can only do this if the consist is not loading or unloading. It must not carry reserved cargo, nor cargo to be unloaded or transferred.

Definition at line 107 of file autoreplace_cmd.cpp.

References Vehicle::First(), CargoList< VehicleCargoList, CargoPacketList >::MTA_KEEP, and Vehicle::Next().

◆ DecreaseVehicleValue()

void DecreaseVehicleValue ( Vehicle * v )

Decrease the value of a vehicle.

Parameters

v	Vehicle to devaluate.

Definition at line 1301 of file vehicle.cpp.

References Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem< Tpool >::index, SetWindowDirty(), Vehicle::value, and WC_VEHICLE_DETAILS.

Referenced by Aircraft::OnNewEconomyDay(), RoadVehicle::OnNewEconomyDay(), Ship::OnNewEconomyDay(), and Train::OnNewEconomyDay().

◆ EconomyAgeVehicle()

void EconomyAgeVehicle ( Vehicle * v )

Update economy age of a vehicle.

Parameters

v	Vehicle to update.

Definition at line 1429 of file vehicle.cpp.

References Vehicle::economy_age, Vehicle::IsPrimaryVehicle(), TimerGameConst< struct Economy >::MAX_DATE, VEHICLE_PROFIT_MIN_AGE, and GroupStatistics::VehicleReachedMinAge().

Referenced by Aircraft::OnNewEconomyDay(), RoadVehicle::OnNewEconomyDay(), Ship::OnNewEconomyDay(), and Train::OnNewEconomyDay().

◆ EnsureNoTrainOnTrackBits()

CommandCost EnsureNoTrainOnTrackBits	(	TileIndex	tile,
		TrackBits	track_bits
	)

Tests if a vehicle interacts with the specified track bits.

All track bits interact except parallel TRACK_BIT_HORZ or TRACK_BIT_VERT.

Parameters

tile	The tile.
track_bits	The track bits.

Returns: true if no train that interacts, is found. false if a train is found.

Definition at line 608 of file vehicle.cpp.

References VehicleFromPos().

Referenced by CmdConvertRail(), and EnsureNoTrainOnTrack().

◆ EnsureNoVehicleOnGround()

CommandCost EnsureNoVehicleOnGround ( TileIndex tile )

Ensure there is no vehicle at the ground at the given position.

Parameters

tile	Position to examine.

Returns: Succeeded command (ground is free) or failed command (a vehicle is found).

Definition at line 546 of file vehicle.cpp.

References EnsureNoVehicleProcZ(), GetTileMaxPixelZ(), return_cmd_error, BaseVehicle::type, and VehicleFromPos().

Referenced by CheckBuildableTile(), CheckIfIndustryTilesAreFree(), CmdConvertRail(), DoBuildLock(), RemoveAirport(), RemoveBuoy(), RemoveDock(), RemoveFromRailBaseStation(), RemoveLock(), and RemoveRoadWaypointStop().

◆ FindVehicleOnPos()

void FindVehicleOnPos	(	TileIndex	tile,
		void *	data,
		VehicleFromPosProc *	proc
	)

Find a vehicle from a specific location.

It will call proc for ALL vehicles on the tile and YOU must make SURE that the "best one" is stored in the data value and is ALWAYS the same regardless of the order of the vehicles where proc was called on! When you fail to do this properly you create an almost untraceable DESYNC!

Note: The return value of proc will be ignored.; Use this function when you have the intention that all vehicles should be iterated over.

Parameters

tile	The location on the map
data	Arbitrary data passed to proc.
proc	The proc that determines whether a vehicle will be "found".

Definition at line 505 of file vehicle.cpp.

Referenced by BuildDepotVehicleList(), CheckTrainCollision(), CmdConvertRail(), DeleteLastWagon(), FloodVehicles(), FollowTrainReservation(), GetTrainForReservation(), RoadStop::Entry::Rebuild(), and RemoveRoadStop().

◆ FindVehicleOnPosXY()

void FindVehicleOnPosXY	(	int	x,
		int	y,
		void *	data,
		VehicleFromPosProc *	proc
	)

Find a vehicle from a specific location.

It will call proc for ALL vehicles on the tile and YOU must make SURE that the "best one" is stored in the data value and is ALWAYS the same regardless of the order of the vehicles where proc was called on! When you fail to do this properly you create an almost untraceable DESYNC!

Note: The return value of proc will be ignored.; Use this when you have the intention that all vehicles should be iterated over.

Parameters

x	The X location on the map
y	The Y location on the map
data	Arbitrary data passed to proc
proc	The proc that determines whether a vehicle will be "found".

Definition at line 445 of file vehicle.cpp.

Referenced by CheckTrainCollision().

◆ GetBestFittingSubType()

uint8_t GetBestFittingSubType	(	Vehicle *	v_from,
		Vehicle *	v_for,
		CargoID	dest_cargo_type
	)

Get the best fitting subtype when 'cloning'/'replacing' v_from with v_for.

All articulated parts of both vehicles are tested to find a possibly shared subtype. For v_for only vehicle refittable to dest_cargo_type are considered.

Parameters

v_from	the vehicle to match the subtype from
v_for	the vehicle to get the subtype for
dest_cargo_type	Destination cargo type.

Returns: the best sub type

Definition at line 599 of file vehicle_gui.cpp.

References EngineInfo::callback_mask, Engine::CanCarryCargo(), CBM_VEHICLE_CARGO_SUFFIX, GetCargoSubtypeText(), Vehicle::GetEngine(), Vehicle::GetFirstEnginePart(), Vehicle::GetNextArticulatedPart(), Vehicle::HasArticulatedPart(), HasBit(), include(), and MAX_REFIT_CYCLE.

Referenced by LinkRefresher::HandleRefit(), and RefitVehicle().

◆ GetEngineLivery()

const struct Livery* GetEngineLivery	(	EngineID	engine_type,
		CompanyID	company,
		EngineID	parent_engine_type,
		const Vehicle *	v,
		uint8_t	livery_setting
	)

Determines the livery for a vehicle.

Parameters

engine_type	EngineID of the vehicle
company	Owner of the vehicle
parent_engine_type	EngineID of the front vehicle. INVALID_VEHICLE if vehicle is at front itself.
v	the vehicle. nullptr if in purchase list etc.
livery_setting	The livery settings to use for acquiring the livery information.

Returns: livery to use

Definition at line 2064 of file vehicle.cpp.

References Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_company_pool >::Get().

Referenced by LiveryHelper().

◆ GetEngineLiveryScheme()

LiveryScheme GetEngineLiveryScheme	(	EngineID	engine_type,
		EngineID	parent_engine_type,
		const Vehicle *	v
	)

Determines the LiveryScheme for a vehicle.

Parameters

engine_type	Engine of the vehicle.
parent_engine_type	Engine of the front vehicle, INVALID_ENGINE if vehicle is at front itself.
v	the vehicle, `nullptr` if in purchase list etc.

Returns: livery scheme to use.

Definition at line 1970 of file vehicle.cpp.

◆ GetEnginePalette()

SpriteID GetEnginePalette	(	EngineID	engine_type,
		CompanyID	company
	)

Get the colour map for an engine.

This used for unbuilt engines in the user interface.

Parameters

engine_type	ID of engine
company	ID of company

Returns: A ready-to-use palette modifier

Definition at line 2142 of file vehicle.cpp.

◆ GetFreeUnitNumber()

UnitID GetFreeUnitNumber ( VehicleType type )

Get an unused unit number for a vehicle (if allowed).

Parameters

type	Type of vehicle

Returns: A unused unit number for the given type of vehicle if it is allowed to build one, else UINT16_MAX.

Definition at line 1895 of file vehicle.cpp.

References _settings_game, VehicleSettings::max_aircraft, VehicleSettings::max_roadveh, VehicleSettings::max_ships, VehicleSettings::max_trains, VEH_AIRCRAFT, VEH_ROAD, VEH_SHIP, VEH_TRAIN, and GameSettings::vehicle.

Referenced by CheckNewTrain(), and NormaliseTrainHead().

◆ GetNewVehiclePos()

GetNewVehiclePosResult GetNewVehiclePos ( const Vehicle * v )

Get position information of a vehicle when moving one pixel in the direction it is facing.

Parameters

v	Vehicle to move

Returns: Position information after the move

Definition at line 1784 of file vehicle.cpp.

Referenced by DisasterTick_Big_Ufo_Destroyer(), DisasterTick_Submarine(), DisasterTick_Zeppeliner(), and TrainController().

◆ GetVehicleCannotUseStationReason()

StringID GetVehicleCannotUseStationReason	(	const Vehicle *	v,
		const Station *	st
	)

Get reason string why this station can't be used by the given vehicle.

Parameters

v	The vehicle to test.
st	The station to test for.

Returns: The string explaining why the vehicle cannot use the station.

Definition at line 3104 of file vehicle.cpp.

References RoadVehicle::compatible_roadtypes, SpecializedVehicle< T, Type >::From(), Vehicle::HasArticulatedPart(), HasTileAnyRoadType(), IsBayRoadStopTile(), RoadVehicle::IsBus(), RoadStop::next, ROADSTOP_BUS, ROADSTOP_TRUCK, BaseVehicle::type, VEH_ROAD, VEH_TRAIN, and RoadStop::xy.

◆ GetVehiclePalette()

SpriteID GetVehiclePalette ( const Vehicle * v )

Get the colour map for a vehicle.

Parameters

v	Vehicle to get colour map for

Returns: A ready-to-use palette modifier

Definition at line 2152 of file vehicle.cpp.

References Vehicle::IsGroundVehicle().

◆ GetVehicleSet()

void GetVehicleSet	(	VehicleSet &	set,
		Vehicle *	v,
		uint8_t	num_vehicles
	)

Calculates the set of vehicles that will be affected by a given selection.

Parameters

[in,out]	set	Set of affected vehicles.
	v	First vehicle of the selection.
	num_vehicles	Number of vehicles in the selection (not counting articulated parts).

Precondition: set must be empty.

Postcondition: set will contain the vehicles that will be refitted.

Definition at line 3218 of file vehicle.cpp.

References SpecializedVehicle< T, Type >::From(), SpecializedVehicle< T, Type >::GetFirstEnginePart(), include(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem< Tpool >::index, Vehicle::IsArticulatedPart(), GroundVehicle< T, Type >::IsMultiheaded(), SpecializedVehicle< T, Type >::Next(), BaseVehicle::type, and VEH_TRAIN.

Referenced by RefitWindow::BuildRefitList(), and RefitVehicle().

◆ HasVehicleOnPos()

bool HasVehicleOnPos	(	TileIndex	tile,
		void *	data,
		VehicleFromPosProc *	proc
	)

Checks whether a vehicle is on a specific location.

It will call proc for vehicles until it returns non-nullptr.

Note: Use FindVehicleOnPos when you have the intention that all vehicles should be iterated over.

Parameters

tile	The location on the map
data	Arbitrary data passed to proc.
proc	The proc that determines whether a vehicle will be "found".

Returns: True if proc returned non-nullptr.

Definition at line 520 of file vehicle.cpp.

Referenced by CYapfCostShipT< Types >::PfCalcCost(), TrainApproachingCrossing(), and TrainOnCrossing().

◆ HasVehicleOnPosXY()

bool HasVehicleOnPosXY	(	int	x,
		int	y,
		void *	data,
		VehicleFromPosProc *	proc
	)

Checks whether a vehicle in on a specific location.

It will call proc for vehicles until it returns non-nullptr.

Note: Use FindVehicleOnPosXY when you have the intention that all vehicles should be iterated over.

Parameters

x	The X location on the map
y	The Y location on the map
data	Arbitrary data passed to proc
proc	The proc that determines whether a vehicle will be "found".

Returns: True if proc returned non-nullptr.

Definition at line 461 of file vehicle.cpp.

◆ IsCompanyBuildableVehicleType() [1/2]

bool IsCompanyBuildableVehicleType ( const BaseVehicle * v )

inline

Is the given vehicle buildable by a company?

Parameters

v	Vehicle being queried.

Returns: Vehicle is buildable by a company.

Definition at line 101 of file vehicle_func.h.

References IsCompanyBuildableVehicleType(), and BaseVehicle::type.

◆ IsCompanyBuildableVehicleType() [2/2]

bool IsCompanyBuildableVehicleType ( VehicleType type )

inline

Is the given vehicle type buildable by a company?

Parameters

type	Vehicle type being queried.

Returns: Vehicle type is buildable by a company.

Definition at line 91 of file vehicle_func.h.

References VEH_COMPANY_END.

Referenced by CanBuildVehicleInfrastructure(), ChangeOwnershipOfCompanyItems(), CmdAddSharedVehicleGroup(), CmdCreateGroup(), CmdDepotMassAutoReplace(), CmdDepotSellAllVehicles(), CmdMassStartStopVehicle(), CmdRefitVehicle(), IsCompanyBuildableVehicleType(), and EngineOverrideManager::ResetToCurrentNewGRFConfig().

◆ IsUniqueVehicleName()

bool IsUniqueVehicleName ( const std::string & name )

Test if a name is unique among vehicle names.

Parameters

name	Name to test.

Returns: True ifffffff the name is unique.

Definition at line 753 of file vehicle_cmd.cpp.

References Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_vehicle_pool >::Iterate().

Referenced by CloneVehicleName(), and CmdRenameVehicle().

◆ IsValidImageIndex()

template<VehicleType T>

bool IsValidImageIndex ( uint8_t image_index )

Helper to check whether an image index is valid for a particular vehicle.

Template Parameters

T	The type of vehicle.

Parameters

image_index The image index to check.

Returns: True iff the image index is valid.

◆ ReleaseDisasterVehicle()

void ReleaseDisasterVehicle ( VehicleID vehicle )

Notify disasters that we are about to delete a vehicle.

So make them head elsewhere.

Parameters

vehicle deleted vehicle

Definition at line 981 of file disaster_vehicle.cpp.

References Vehicle::age, Vehicle::dest_tile, GetAircraftFlightLevelBounds(), SpecializedVehicle< DisasterVehicle, VEH_DISASTER >::GetIfValid(), RandomTile, ST_SMALL_UFO, DisasterVehicle::state, Vehicle::subtype, and Vehicle::z_pos.

◆ ShowNewGrfVehicleError()

void ShowNewGrfVehicleError	(	EngineID	engine,
		StringID	part1,
		StringID	part2,
		GRFBugs	bug_type,
		bool	critical
	)

Displays a "NewGrf Bug" error message for a engine, and pauses the game if not networking.

Parameters

engine	The engine that caused the problem
part1	Part 1 of the error message, taking the grfname as parameter 1
part2	Part 2 of the error message, taking the engine as parameter 2
bug_type	Flag to check and set in grfconfig
critical	Shall the "OpenTTD might crash"-message be shown when the player tries to unpause?

Definition at line 317 of file vehicle.cpp.

References _networking, DC_EXEC, Debug, Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_engine_pool >::Get(), GetGRFConfig(), Engine::GetGRFID(), GRFConfig::GetName(), GetString(), GRFConfig::grf_bugs, HasBit(), PM_PAUSED_ERROR, PM_PAUSED_NORMAL, SetBit(), SetDParam(), SetDParamStr(), ShowErrorMessage(), StrMakeValid(), and WL_CRITICAL.

Referenced by VehicleLengthChanged().

◆ TunnelBridgeIsFree()

CommandCost TunnelBridgeIsFree	(	TileIndex	tile,
		TileIndex	endtile,
		const Vehicle *	ignore
	)

Finds vehicle in tunnel / bridge.

Parameters

tile	first end
endtile	second end
ignore	Ignore this vehicle when searching

Returns: Succeeded command (if tunnel/bridge is free) or failed command (if a vehicle is using the tunnel/bridge).

Definition at line 575 of file vehicle.cpp.

References GetVehicleTunnelBridgeProc(), return_cmd_error, BaseVehicle::type, and VehicleFromPos().

Referenced by ClearPathReservation(), CmdConvertRail(), DoClearBridge(), and DoClearTunnel().

◆ VehicleEnterDepot()

void VehicleEnterDepot ( Vehicle * v )

Vehicle entirely entered the depot, update its status, orders, vehicle windows, service it, etc.

Parameters

v	Vehicle that entered a depot.

Definition at line 1552 of file vehicle.cpp.

References _settings_client, CCF_ARRANGE, ClrBit(), Train::ConsistChanged(), Vehicle::First(), SpecializedVehicle< Ship, VEH_SHIP >::From(), SpecializedVehicle< T, Type >::From(), SpecializedVehicle< Aircraft, VEH_AIRCRAFT >::From(), ClientSettings::gui, HandleAircraftEnterHangar(), INVALID_DIAGDIR, MarkTileDirtyByTile(), Vehicle::owner, SetDepotReservation(), SetWindowClassesDirty(), SetWindowDirty(), GUISettings::show_track_reservation, Ship::state, TFP_NONE, Vehicle::tile, TRACK_BIT_DEPOT, BaseVehicle::type, Ship::UpdateCache(), UpdateSignalsOnSegment(), SpecializedVehicle< T, Type >::UpdateViewport(), VEH_AIRCRAFT, VEH_ROAD, VEH_SHIP, VEH_TRAIN, VRF_TOGGLE_REVERSE, Train::wait_counter, WC_AIRCRAFT_LIST, WC_ROADVEH_LIST, WC_SHIPS_LIST, WC_TRAINS_LIST, and WC_VEHICLE_DEPOT.

Referenced by AircraftEventHandler_EnterHangar().

◆ VehicleEnteredDepotThisTick()

void VehicleEnteredDepotThisTick ( Vehicle * v )

Adds a vehicle to the list of vehicles that visited a depot this tick.

Parameters

*v	vehicle to add

Definition at line 921 of file vehicle.cpp.

◆ VehicleLengthChanged()

void VehicleLengthChanged ( const Vehicle * u )

Logs a bug in GRF and shows a warning message if this is for the first time this happened.

Parameters

u	first vehicle of chain

Definition at line 346 of file vehicle.cpp.

References _gamelog, Vehicle::engine_type, GBUG_VEH_LENGTH, Vehicle::GetEngine(), GetGRFConfig(), GRFConfig::grf_bugs, Engine::grf_prop, Gamelog::GRFBugReverse(), GRFFilePropsBase< Tcnt >::grffile, HasBit(), GRFFilePropsBase< Tcnt >::local_id, and ShowNewGrfVehicleError().

Referenced by RoadVehUpdateCache().

◆ VehicleServiceInDepot()

void VehicleServiceInDepot ( Vehicle * v )

Service a vehicle and all subsequent vehicles in the consist.

Parameters

*v	The vehicle or vehicle chain being serviced

Definition at line 167 of file vehicle.cpp.

References _settings_game, Vehicle::breakdown_chance, Vehicle::breakdowns_since_last_service, TimerGameCalendar::date, TimerGameEconomy::date, Vehicle::date_of_last_service, Vehicle::date_of_last_service_newgrf, GameSettings::difficulty, Vehicle::GetEngine(), Vehicle::HasEngineType(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem< Tpool >::index, Vehicle::Next(), Engine::reliability, Vehicle::reliability, SetWindowDirty(), DifficultySettings::vehicle_breakdowns, and WC_VEHICLE_DETAILS.

Referenced by AircraftLeaveHangar(), and CheckIfTrainNeedsService().

◆ VehiclesHaveSameEngineList()

bool VehiclesHaveSameEngineList	(	const Vehicle *	v1,
		const Vehicle *	v2
	)

Checks if two vehicle chains have the same list of engines.

Parameters

v1	First vehicle chain.
v1	Second vehicle chain.

Returns: True if same, false if different.

Definition at line 3272 of file vehicle.cpp.

References Vehicle::GetEngine(), and Vehicle::GetNextVehicle().

Referenced by DepotWindow::OnVehicleSelect().

◆ VehiclesHaveSameOrderList()

bool VehiclesHaveSameOrderList	(	const Vehicle *	v1,
		const Vehicle *	v2
	)

Checks if two vehicles have the same list of orders.

Parameters

v1	First vehicles.
v1	Second vehicles.

Returns: True if same, false if different.

Definition at line 3289 of file vehicle.cpp.

References Order::Equals(), Vehicle::GetFirstOrder(), and Order::next.

Referenced by DepotWindow::OnVehicleSelect(), and OrdersWindow::OnVehicleSelect().

◆ ViewportAddVehicles()

void ViewportAddVehicles ( DrawPixelInfo * dpi )

Add the vehicle sprites that should be drawn at a part of the screen.

Parameters

dpi	Rectangle being drawn.

Definition at line 1154 of file vehicle.cpp.

References MAX_VEHICLE_PIXEL_X.

Data Structures

Macros

Typedefs

Functions

Variables

Detailed Description

Function Documentation

◆ AgeVehicle()

◆ CalcPercentVehicleFilled()

◆ CanBuildVehicleInfrastructure()

◆ CheckCargoCapacity()

◆ DecreaseVehicleValue()

◆ EconomyAgeVehicle()

◆ EnsureNoTrainOnTrackBits()

◆ EnsureNoVehicleOnGround()

◆ FindVehicleOnPos()

◆ FindVehicleOnPosXY()

◆ GetBestFittingSubType()

◆ GetEngineLivery()

◆ GetEngineLiveryScheme()

◆ GetEnginePalette()

◆ GetFreeUnitNumber()

◆ GetNewVehiclePos()

◆ GetVehicleCannotUseStationReason()

◆ GetVehiclePalette()

◆ GetVehicleSet()

◆ HasVehicleOnPos()

◆ HasVehicleOnPosXY()

◆ IsCompanyBuildableVehicleType() [1/2]

◆ IsCompanyBuildableVehicleType() [2/2]

◆ IsUniqueVehicleName()

◆ IsValidImageIndex()

◆ ReleaseDisasterVehicle()

◆ ShowNewGrfVehicleError()

◆ TunnelBridgeIsFree()

◆ VehicleEnterDepot()

◆ VehicleEnteredDepotThisTick()

◆ VehicleLengthChanged()

◆ VehicleServiceInDepot()

◆ VehiclesHaveSameEngineList()

◆ VehiclesHaveSameOrderList()

◆ ViewportAddVehicles()