Enumerations
enum	CallbackID { CBID_NO_CALLBACK = 0x00, CBID_RANDOM_TRIGGER = 0x01, CBID_VEHICLE_VISUAL_EFFECT = 0x10, CBID_VEHICLE_LENGTH = 0x11, CBID_VEHICLE_LOAD_AMOUNT = 0x12, CBID_STATION_AVAILABILITY = 0x13, CBID_STATION_DRAW_TILE_LAYOUT = 0x14, CBID_VEHICLE_REFIT_CAPACITY = 0x15, CBID_VEHICLE_ARTIC_ENGINE = 0x16, CBID_HOUSE_ALLOW_CONSTRUCTION = 0x17, CBID_GENERIC_AI_PURCHASE_SELECTION = 0x18, CBID_VEHICLE_CARGO_SUFFIX = 0x19, CBID_HOUSE_ANIMATION_NEXT_FRAME = 0x1A, CBID_HOUSE_ANIMATION_START_STOP = 0x1B, CBID_HOUSE_CONSTRUCTION_STATE_CHANGE = 0x1C, CBID_TRAIN_ALLOW_WAGON_ATTACH = 0x1D, CBID_HOUSE_COLOUR = 0x1E, CBID_HOUSE_CARGO_ACCEPTANCE = 0x1F, CBID_HOUSE_ANIMATION_SPEED = 0x20, CBID_HOUSE_DESTRUCTION = 0x21, CBID_INDUSTRY_PROBABILITY = 0x22, CBID_VEHICLE_ADDITIONAL_TEXT = 0x23, CBID_STATION_BUILD_TILE_LAYOUT = 0x24, CBID_INDTILE_ANIM_START_STOP = 0x25, CBID_INDTILE_ANIM_NEXT_FRAME = 0x26, CBID_INDTILE_ANIMATION_SPEED = 0x27, CBID_INDUSTRY_LOCATION = 0x28, CBID_INDUSTRY_PRODUCTION_CHANGE = 0x29, CBID_HOUSE_ACCEPT_CARGO = 0x2A, CBID_INDTILE_CARGO_ACCEPTANCE = 0x2B, CBID_INDTILE_ACCEPT_CARGO = 0x2C, CBID_VEHICLE_COLOUR_MAPPING = 0x2D, CBID_HOUSE_PRODUCE_CARGO = 0x2E, CBID_INDTILE_SHAPE_CHECK = 0x2F, CBID_INDTILE_DRAW_FOUNDATIONS = 0x30, CBID_VEHICLE_START_STOP_CHECK = 0x31, CBID_VEHICLE_32DAY_CALLBACK = 0x32, CBID_VEHICLE_SOUND_EFFECT = 0x33, CBID_VEHICLE_AUTOREPLACE_SELECTION = 0x34, CBID_INDUSTRY_MONTHLYPROD_CHANGE = 0x35, CBID_VEHICLE_MODIFY_PROPERTY = 0x36, CBID_INDUSTRY_CARGO_SUFFIX = 0x37, CBID_INDUSTRY_FUND_MORE_TEXT = 0x38, CBID_CARGO_PROFIT_CALC = 0x39, CBID_INDUSTRY_WINDOW_MORE_TEXT = 0x3A, CBID_INDUSTRY_SPECIAL_EFFECT = 0x3B, CBID_INDTILE_AUTOSLOPE = 0x3C, CBID_INDUSTRY_REFUSE_CARGO = 0x3D, CBID_STATION_ANIM_START_STOP = 0x140, CBID_STATION_ANIM_NEXT_FRAME = 0x141, CBID_STATION_ANIMATION_SPEED = 0x142, CBID_HOUSE_DENY_DESTRUCTION = 0x143, CBID_SOUNDS_AMBIENT_EFFECT = 0x144, CBID_CARGO_STATION_RATING_CALC = 0x145, CBID_NEW_SIGNALS_SPRITE_DRAW = 0x146, CBID_CANALS_SPRITE_OFFSET = 0x147, CBID_HOUSE_WATCHED_CARGO_ACCEPTED = 0x148, CBID_STATION_LAND_SLOPE_CHECK = 0x149, CBID_INDUSTRY_DECIDE_COLOUR = 0x14A, CBID_INDUSTRY_INPUT_CARGO_TYPES = 0x14B, CBID_INDUSTRY_OUTPUT_CARGO_TYPES = 0x14C, CBID_HOUSE_CUSTOM_NAME = 0x14D, CBID_HOUSE_DRAW_FOUNDATIONS = 0x14E, CBID_HOUSE_AUTOSLOPE = 0x14F, CBID_AIRPTILE_DRAW_FOUNDATIONS = 0x150, CBID_AIRPTILE_ANIM_START_STOP = 0x152, CBID_AIRPTILE_ANIM_NEXT_FRAME = 0x153, CBID_AIRPTILE_ANIMATION_SPEED = 0x154, CBID_AIRPORT_ADDITIONAL_TEXT = 0x155, CBID_AIRPORT_LAYOUT_NAME = 0x156, CBID_OBJECT_LAND_SLOPE_CHECK = 0x157, CBID_OBJECT_ANIMATION_NEXT_FRAME = 0x158, CBID_OBJECT_ANIMATION_START_STOP = 0x159, CBID_OBJECT_ANIMATION_SPEED = 0x15A, CBID_OBJECT_COLOUR = 0x15B, CBID_OBJECT_FUND_MORE_TEXT = 0x15C, CBID_OBJECT_AUTOSLOPE = 0x15D, CBID_VEHICLE_REFIT_COST = 0x15E, CBID_INDUSTRY_PROD_CHANGE_BUILD = 0x15F, CBID_VEHICLE_SPAWN_VISUAL_EFFECT = 0x160, CBID_VEHICLE_NAME = 0x161, CBID_VEHICLE_BUILD_PROBABILITY = 0x162 }
	List of implemented NewGRF callbacks. More...

enum	VehicleCallbackMask { CBM_VEHICLE_VISUAL_EFFECT = 0, CBM_VEHICLE_LENGTH = 1, CBM_VEHICLE_LOAD_AMOUNT = 2, CBM_VEHICLE_REFIT_CAPACITY = 3, CBM_VEHICLE_ARTIC_ENGINE = 4, CBM_VEHICLE_CARGO_SUFFIX = 5, CBM_VEHICLE_COLOUR_REMAP = 6, CBM_VEHICLE_SOUND_EFFECT = 7, CBM_VEHICLE_NAME = 8 }
	Callback masks for vehicles, indicates which callbacks are used by a vehicle. More...

enum	StationCallbackMask { CBM_STATION_AVAIL = 0, CBM_STATION_DRAW_TILE_LAYOUT = 1, CBM_STATION_ANIMATION_NEXT_FRAME = 2, CBM_STATION_ANIMATION_SPEED = 3, CBM_STATION_SLOPE_CHECK = 4 }
	Callback masks for stations. More...

enum	RoadStopCallbackMask { CBM_ROAD_STOP_AVAIL = 0, CBM_ROAD_STOP_ANIMATION_NEXT_FRAME = 1, CBM_ROAD_STOP_ANIMATION_SPEED = 2 }
	Callback masks for road stops. More...

enum	HouseCallbackMask { CBM_HOUSE_ALLOW_CONSTRUCTION = 0, CBM_HOUSE_ANIMATION_NEXT_FRAME = 1, CBM_HOUSE_ANIMATION_START_STOP = 2, CBM_HOUSE_CONSTRUCTION_STATE_CHANGE = 3, CBM_HOUSE_COLOUR = 4, CBM_HOUSE_CARGO_ACCEPTANCE = 5, CBM_HOUSE_ANIMATION_SPEED = 6, CBM_HOUSE_DESTRUCTION = 7, CBM_HOUSE_ACCEPT_CARGO = 8, CBM_HOUSE_PRODUCE_CARGO = 9, CBM_HOUSE_DENY_DESTRUCTION = 10, CBM_HOUSE_DRAW_FOUNDATIONS = 11, CBM_HOUSE_AUTOSLOPE = 12 }
	Callback masks for houses. More...

enum	CanalCallbackMask { CBM_CANAL_SPRITE_OFFSET = 0 }
	Callback masks for canals. More...

enum	CargoCallbackMask { CBM_CARGO_PROFIT_CALC = 0, CBM_CARGO_STATION_RATING_CALC = 1 }
	Callback masks for cargoes. More...

enum	IndustryCallbackMask { CBM_IND_PROBABILITY = 0, CBM_IND_PRODUCTION_CARGO_ARRIVAL = 1, CBM_IND_PRODUCTION_256_TICKS = 2, CBM_IND_LOCATION = 3, CBM_IND_PRODUCTION_CHANGE = 4, CBM_IND_MONTHLYPROD_CHANGE = 5, CBM_IND_CARGO_SUFFIX = 6, CBM_IND_FUND_MORE_TEXT = 7, CBM_IND_WINDOW_MORE_TEXT = 8, CBM_IND_SPECIAL_EFFECT = 9, CBM_IND_REFUSE_CARGO = 10, CBM_IND_DECIDE_COLOUR = 11, CBM_IND_INPUT_CARGO_TYPES = 12, CBM_IND_OUTPUT_CARGO_TYPES = 13, CBM_IND_PROD_CHANGE_BUILD = 14 }
	Callback masks for Industries. More...

enum	IndustryTileCallbackMask { CBM_INDT_ANIM_NEXT_FRAME = 0, CBM_INDT_ANIM_SPEED = 1, CBM_INDT_CARGO_ACCEPTANCE = 2, CBM_INDT_ACCEPT_CARGO = 3, CBM_INDT_SHAPE_CHECK = 4, CBM_INDT_DRAW_FOUNDATIONS = 5, CBM_INDT_AUTOSLOPE = 6 }
	Callback masks for industry tiles. More...

enum	ObjectCallbackMask { CBM_OBJ_SLOPE_CHECK = 0, CBM_OBJ_ANIMATION_NEXT_FRAME = 1, CBM_OBJ_ANIMATION_SPEED = 2, CBM_OBJ_COLOUR = 3, CBM_OBJ_FUND_MORE_TEXT = 4, CBM_OBJ_AUTOSLOPE = 5 }
	Callback masks for objects. More...

enum	AirportTileCallbackMask { CBM_AIRT_ANIM_NEXT_FRAME = 0, CBM_AIRT_ANIM_SPEED = 1, CBM_AIRT_SHAPE_CHECK = 4, CBM_AIRT_DRAW_FOUNDATIONS = 5, CBM_AIRT_AUTOSLOPE = 6 }
	Callback masks for airport tiles. More...

Variables
static const uint	CALLBACK_FAILED = 0xFFFF
	Different values for Callback result evaluations. More...

static const uint	CALLBACK_HOUSEPRODCARGO_END = 0x20FF
	Sentinel indicating that the loop for CBID_HOUSE_PRODUCE_CARGO has ended.

Detailed Description

Callbacks that NewGRFs could implement.

Definition in file newgrf_callbacks.h.

Enumeration Type Documentation

◆ AirportTileCallbackMask

enum AirportTileCallbackMask

Callback masks for airport tiles.

Enumerator
CBM_AIRT_ANIM_NEXT_FRAME	decides next animation frame
CBM_AIRT_ANIM_SPEED	decides animation speed
CBM_AIRT_SHAPE_CHECK	decides slope suitability
CBM_AIRT_DRAW_FOUNDATIONS	decides if default foundations need to be drawn
CBM_AIRT_AUTOSLOPE	decides allowance of autosloping

Definition at line 409 of file newgrf_callbacks.h.

◆ CallbackID

enum CallbackID

List of implemented NewGRF callbacks.

Most of these callbacks are only triggered when the corresponding bit is set in the callback flags/trigger for a vehicle, house, industry, etc. Names are formatted as CBID_<CLASS>_<CALLBACK>

Enumerator
CBID_NO_CALLBACK	Set when using the callback resolve system, but not to resolve a callback.
CBID_RANDOM_TRIGGER	Set when calling a randomizing trigger (almost undocumented).
CBID_VEHICLE_VISUAL_EFFECT	Visual effects and wagon power.
CBID_VEHICLE_LENGTH	Vehicle length, returns the amount of 1/8's the vehicle is shorter for trains and RVs.
CBID_VEHICLE_LOAD_AMOUNT	Determine the amount of cargo to load per unit of time when using gradual loading.
CBID_STATION_AVAILABILITY	Determine whether a newstation should be made available to build.
CBID_STATION_DRAW_TILE_LAYOUT	Choose a tile layout to draw, instead of the standard range.
CBID_VEHICLE_REFIT_CAPACITY	Refit capacity, the passed vehicle needs to have its ->cargo_type set to the cargo we are refitting to, returns the new cargo capacity.
CBID_VEHICLE_ARTIC_ENGINE	Builds articulated engines for trains and RVs.
CBID_HOUSE_ALLOW_CONSTRUCTION	Determine whether the house can be built on the specified tile.
CBID_GENERIC_AI_PURCHASE_SELECTION	AI construction/purchase selection.
CBID_VEHICLE_CARGO_SUFFIX	Determine the cargo "suffixes" for each refit possibility of a cargo.
CBID_HOUSE_ANIMATION_NEXT_FRAME	Determine the next animation frame for a house.
CBID_HOUSE_ANIMATION_START_STOP	Called for periodically starting or stopping the animation.
CBID_HOUSE_CONSTRUCTION_STATE_CHANGE	Called whenever the construction state of a house changes.
CBID_TRAIN_ALLOW_WAGON_ATTACH	Determine whether a wagon can be attached to an already existing train.
CBID_HOUSE_COLOUR	Called to determine the colour of a town building.
CBID_HOUSE_CARGO_ACCEPTANCE	Called to decide how much cargo a town building can accept.
CBID_HOUSE_ANIMATION_SPEED	Called to indicate how long the current animation frame should last.
CBID_HOUSE_DESTRUCTION	Called periodically to determine if a house should be destroyed.
CBID_INDUSTRY_PROBABILITY	Called to determine if the given industry type is available. For grf version >= 8 also a probability can be returned.
CBID_VEHICLE_ADDITIONAL_TEXT	This callback is called from vehicle purchase lists. It returns a value to be used as a custom string ID in the 0xD000 range.
CBID_STATION_BUILD_TILE_LAYOUT	Called when building a station to customize the tile layout.
CBID_INDTILE_ANIM_START_STOP	Called for periodically starting or stopping the animation.
CBID_INDTILE_ANIM_NEXT_FRAME	Called to determine industry tile next animation frame.
CBID_INDTILE_ANIMATION_SPEED	Called to indicate how long the current animation frame should last.
CBID_INDUSTRY_LOCATION	Called to determine if the given industry can be built on specific area.
CBID_INDUSTRY_PRODUCTION_CHANGE	Called on production changes, so it can be adjusted.
CBID_HOUSE_ACCEPT_CARGO	Called to determine which cargoes a town building should accept.
CBID_INDTILE_CARGO_ACCEPTANCE	Called to query the cargo acceptance of the industry tile.
CBID_INDTILE_ACCEPT_CARGO	Called to determine which cargoes an industry should accept.
CBID_VEHICLE_COLOUR_MAPPING	Called to determine if a specific colour map should be used for a vehicle instead of the default livery.
CBID_HOUSE_PRODUCE_CARGO	Called to determine how much cargo a town building produces.
CBID_INDTILE_SHAPE_CHECK	Called to determine if the given industry tile can be built on specific tile.
CBID_INDTILE_DRAW_FOUNDATIONS	Called to determine the type (if any) of foundation to draw for industry tile.
CBID_VEHICLE_START_STOP_CHECK	Called when the company (or AI) tries to start or stop a vehicle. Mainly used for preventing a vehicle from leaving the depot.
CBID_VEHICLE_32DAY_CALLBACK	Called for every vehicle every 32 days (not all on same date though).
CBID_VEHICLE_SOUND_EFFECT	Called to play a special sound effect.
CBID_VEHICLE_AUTOREPLACE_SELECTION	Return the vehicles this given vehicle can be "upgraded" to.
CBID_INDUSTRY_MONTHLYPROD_CHANGE	Called monthly on production changes, so it can be adjusted more frequently.
CBID_VEHICLE_MODIFY_PROPERTY	Called to modify various vehicle properties. Callback parameter 1 specifies the property index, as used in Action 0, to change.
CBID_INDUSTRY_CARGO_SUFFIX	Called to determine text to display after cargo name.
CBID_INDUSTRY_FUND_MORE_TEXT	Called to determine more text in the fund industry window.
CBID_CARGO_PROFIT_CALC	Called to calculate the income of delivered cargo.
CBID_INDUSTRY_WINDOW_MORE_TEXT	Called to determine more text in the industry window.
CBID_INDUSTRY_SPECIAL_EFFECT	Called to determine industry special effects.
CBID_INDTILE_AUTOSLOPE	Called to determine if industry can alter the ground below industry tile.
CBID_INDUSTRY_REFUSE_CARGO	Called to determine if the industry can still accept or refuse more cargo arrival.
CBID_STATION_ANIM_START_STOP	Called for periodically starting or stopping the animation.
CBID_STATION_ANIM_NEXT_FRAME	Called to determine station tile next animation frame.
CBID_STATION_ANIMATION_SPEED	Called to indicate how long the current animation frame should last.
CBID_HOUSE_DENY_DESTRUCTION	Called to determine whether a town building can be destroyed.
CBID_SOUNDS_AMBIENT_EFFECT	Select an ambient sound to play for a given type of tile.
CBID_CARGO_STATION_RATING_CALC	Called to calculate part of a station rating.
CBID_NEW_SIGNALS_SPRITE_DRAW	Allow signal sprites to be replaced dynamically.
CBID_CANALS_SPRITE_OFFSET	Add an offset to the default sprite numbers to show another sprite.
CBID_HOUSE_WATCHED_CARGO_ACCEPTED	Called when a cargo type specified in property 20 is accepted.
CBID_STATION_LAND_SLOPE_CHECK	Callback done for each tile of a station to check the slope.
CBID_INDUSTRY_DECIDE_COLOUR	Called to determine the colour of an industry.
CBID_INDUSTRY_INPUT_CARGO_TYPES	Customize the input cargo types of a newly build industry.
CBID_INDUSTRY_OUTPUT_CARGO_TYPES	Customize the output cargo types of a newly build industry.
CBID_HOUSE_CUSTOM_NAME	Called on the Get Tile Description for an house tile.
CBID_HOUSE_DRAW_FOUNDATIONS	Called to determine the type (if any) of foundation to draw for house tile.
CBID_HOUSE_AUTOSLOPE	Called to determine if one can alter the ground below a house tile.
CBID_AIRPTILE_DRAW_FOUNDATIONS	Called to determine the type (if any) of foundation to draw for an airport tile.
CBID_AIRPTILE_ANIM_START_STOP	Called for periodically starting or stopping the animation.
CBID_AIRPTILE_ANIM_NEXT_FRAME	Called to determine airport tile next animation frame.
CBID_AIRPTILE_ANIMATION_SPEED	Called to indicate how long the current animation frame should last.
CBID_AIRPORT_ADDITIONAL_TEXT	This callback is called from airport list. It returns a value to be used as a custom string ID in the 0xD000 range.
CBID_AIRPORT_LAYOUT_NAME	Called to determine text to show as airport layout name.
CBID_OBJECT_LAND_SLOPE_CHECK	Callback done for each tile of an object to check the slope.
CBID_OBJECT_ANIMATION_NEXT_FRAME	Determine the next animation frame for a house.
CBID_OBJECT_ANIMATION_START_STOP	Called for periodically starting or stopping the animation.
CBID_OBJECT_ANIMATION_SPEED	Called to indicate how long the current animation frame should last.
CBID_OBJECT_COLOUR	Called to determine the colour of a town building.
CBID_OBJECT_FUND_MORE_TEXT	Called to determine more text in the fund object window.
CBID_OBJECT_AUTOSLOPE	Called to determine if one can alter the ground below an object tile.
CBID_VEHICLE_REFIT_COST	Called to determine the cost factor for refitting a vehicle.
CBID_INDUSTRY_PROD_CHANGE_BUILD	Called when industry is built to set initial production level.
CBID_VEHICLE_SPAWN_VISUAL_EFFECT	Called to spawn visual effects for vehicles.
CBID_VEHICLE_NAME	Called to determine the engine name to show.
CBID_VEHICLE_BUILD_PROBABILITY	Called to determine probability during build.

Definition at line 20 of file newgrf_callbacks.h.

◆ CanalCallbackMask

enum CanalCallbackMask

Callback masks for canals.

Enumerator
CBM_CANAL_SPRITE_OFFSET	Enable add sprite offset callback.

Definition at line 348 of file newgrf_callbacks.h.

◆ CargoCallbackMask

enum CargoCallbackMask

Callback masks for cargoes.

Enumerator
CBM_CARGO_PROFIT_CALC	custom profit calculation
CBM_CARGO_STATION_RATING_CALC	custom station rating for this cargo type

Definition at line 355 of file newgrf_callbacks.h.

◆ HouseCallbackMask

enum HouseCallbackMask

Callback masks for houses.

Enumerator
CBM_HOUSE_ALLOW_CONSTRUCTION	decide whether the house can be built on a given tile
CBM_HOUSE_ANIMATION_NEXT_FRAME	decides next animation frame
CBM_HOUSE_ANIMATION_START_STOP	periodically start/stop the animation
CBM_HOUSE_CONSTRUCTION_STATE_CHANGE	change animation when construction state changes
CBM_HOUSE_COLOUR	decide the colour of the building
CBM_HOUSE_CARGO_ACCEPTANCE	decides amount of cargo acceptance
CBM_HOUSE_ANIMATION_SPEED	decides animation speed
CBM_HOUSE_DESTRUCTION	trigger destruction of building
CBM_HOUSE_ACCEPT_CARGO	decides accepted types
CBM_HOUSE_PRODUCE_CARGO	custom cargo production
CBM_HOUSE_DENY_DESTRUCTION	conditional protection
CBM_HOUSE_DRAW_FOUNDATIONS	decides if default foundations need to be drawn
CBM_HOUSE_AUTOSLOPE	decides allowance of autosloping

Definition at line 329 of file newgrf_callbacks.h.

◆ IndustryCallbackMask

enum IndustryCallbackMask

Callback masks for Industries.

Enumerator
CBM_IND_PROBABILITY	industry availability/probability callback
CBM_IND_PRODUCTION_CARGO_ARRIVAL	call production callback when cargo arrives at the industry
CBM_IND_PRODUCTION_256_TICKS	call production callback every 256 ticks
CBM_IND_LOCATION	check industry construction on given area
CBM_IND_PRODUCTION_CHANGE	controls random production change
CBM_IND_MONTHLYPROD_CHANGE	controls monthly random production change
CBM_IND_CARGO_SUFFIX	cargo sub-type display
CBM_IND_FUND_MORE_TEXT	additional text in fund window
CBM_IND_WINDOW_MORE_TEXT	additional text in industry window
CBM_IND_SPECIAL_EFFECT	control special effects
CBM_IND_REFUSE_CARGO	option out of accepting cargo
CBM_IND_DECIDE_COLOUR	give a custom colour to newly build industries
CBM_IND_INPUT_CARGO_TYPES	customize the cargoes the industry requires
CBM_IND_OUTPUT_CARGO_TYPES	customize the cargoes the industry produces
CBM_IND_PROD_CHANGE_BUILD	initialise production level on construction

Definition at line 363 of file newgrf_callbacks.h.

◆ IndustryTileCallbackMask

enum IndustryTileCallbackMask

Callback masks for industry tiles.

Enumerator
CBM_INDT_ANIM_NEXT_FRAME	decides next animation frame
CBM_INDT_ANIM_SPEED	decides animation speed
CBM_INDT_CARGO_ACCEPTANCE	decides amount of cargo acceptance
CBM_INDT_ACCEPT_CARGO	decides accepted types
CBM_INDT_SHAPE_CHECK	decides slope suitability
CBM_INDT_DRAW_FOUNDATIONS	decides if default foundations need to be drawn
CBM_INDT_AUTOSLOPE	decides allowance of autosloping

Definition at line 384 of file newgrf_callbacks.h.

◆ ObjectCallbackMask

enum ObjectCallbackMask

Callback masks for objects.

Enumerator
CBM_OBJ_SLOPE_CHECK	decides slope suitability
CBM_OBJ_ANIMATION_NEXT_FRAME	decides next animation frame
CBM_OBJ_ANIMATION_SPEED	decides animation speed
CBM_OBJ_COLOUR	decide the colour of the building
CBM_OBJ_FUND_MORE_TEXT	additional text in fund window
CBM_OBJ_AUTOSLOPE	decides allowance of autosloping

Definition at line 397 of file newgrf_callbacks.h.

◆ RoadStopCallbackMask

enum RoadStopCallbackMask

Callback masks for road stops.

Enumerator
CBM_ROAD_STOP_AVAIL	Availability of road stop in construction window.
CBM_ROAD_STOP_ANIMATION_NEXT_FRAME	Use a custom next frame callback.
CBM_ROAD_STOP_ANIMATION_SPEED	Customize the animation speed of the road stop.

Definition at line 320 of file newgrf_callbacks.h.

◆ StationCallbackMask

enum StationCallbackMask

Callback masks for stations.

Enumerator
CBM_STATION_AVAIL	Availability of station in construction window.
CBM_STATION_DRAW_TILE_LAYOUT	Use callback to select a tile layout to use when drawing.
CBM_STATION_ANIMATION_NEXT_FRAME	Use a custom next frame callback.
CBM_STATION_ANIMATION_SPEED	Customize the animation speed of the station.
CBM_STATION_SLOPE_CHECK	Check slope of new station tiles.

Definition at line 309 of file newgrf_callbacks.h.

◆ VehicleCallbackMask

enum VehicleCallbackMask

Callback masks for vehicles, indicates which callbacks are used by a vehicle.

Some callbacks are always used and don't have a mask.

Enumerator
CBM_VEHICLE_VISUAL_EFFECT	Visual effects and wagon power (trains, road vehicles and ships)
CBM_VEHICLE_LENGTH	Vehicle length (trains and road vehicles)
CBM_VEHICLE_LOAD_AMOUNT	Load amount.
CBM_VEHICLE_REFIT_CAPACITY	Cargo capacity after refit.
CBM_VEHICLE_ARTIC_ENGINE	Add articulated engines (trains and road vehicles)
CBM_VEHICLE_CARGO_SUFFIX	Show suffix after cargo name.
CBM_VEHICLE_COLOUR_REMAP	Change colour mapping of vehicle.
CBM_VEHICLE_SOUND_EFFECT	Vehicle uses custom sound effects.
CBM_VEHICLE_NAME	Engine name.

Definition at line 294 of file newgrf_callbacks.h.

Variable Documentation

◆ CALLBACK_FAILED

const uint CALLBACK_FAILED = 0xFFFF

static

Different values for Callback result evaluations.

Result of a failed callback.

Definition at line 420 of file newgrf_callbacks.h.

Enumerations

Variables