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267 lines
10 KiB
C
267 lines
10 KiB
C
/* $Id$ */
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/** @file newgrf_callbacks.h
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*/
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#ifndef NEWGRF_CALLBACKS_H
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#define NEWGRF_CALLBACKS_H
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/**
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* List of implemented NewGRF callbacks.
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* Most of these callbacks are only triggered when the corresponding
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* bit is set in the callback flags/trigger for a vehicle, house,
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* industry, etc.
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* Names are formatted as CBID_<CLASS>_<CALLBACK>
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*/
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enum CallbackID {
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/** Set when calling a randomizing trigger (almost undocumented). */
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CBID_RANDOM_TRIGGER = 0x01,
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/** Powered wagons, if the result is lower as 0x40 then the wagon is powered
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* @todo : interpret the rest of the result, aka "visual effects". */
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CBID_TRAIN_WAGON_POWER = 0x10,
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/** Vehicle length, returns the amount of 1/8's the vehicle is shorter for trains and RVs. */
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CBID_VEHICLE_LENGTH = 0x11,
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/** Determine the amount of cargo to load per unit of time when using gradual loading. */
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CBID_VEHICLE_LOAD_AMOUNT = 0x12,
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/** Determine whether a newstation should be made available to build. */
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CBID_STATION_AVAILABILITY = 0x13,
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/** Choose a sprite layout to draw, instead of the standard 0-7 range. */
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CBID_STATION_SPRITE_LAYOUT = 0x14,
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/** Refit capacity, the passed vehicle needs to have its ->cargo_type set to
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* the cargo we are refitting to, returns the new cargo capacity. */
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CBID_VEHICLE_REFIT_CAPACITY = 0x15,
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/** Builds articulated engines for trains and RVs. */
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CBID_VEHICLE_ARTIC_ENGINE = 0x16,
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/** Determine whether the house can be built on the specified tile. */
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CBID_HOUSE_ALLOW_CONSTRUCTION = 0x17,
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/** AI construction/purchase selection */
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CBID_GENERIC_AI_PURCHASE_SELECTION = 0x18, // not implemented
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/** Determine the cargo "suffixes" for each refit possibility of a cargo. */
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CBID_VEHICLE_CARGO_SUFFIX = 0x19,
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/** Determine the next animation frame for a house. */
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CBID_HOUSE_ANIMATION_NEXT_FRAME = 0x1A,
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/** Called for periodically starting or stopping the animation. */
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CBID_HOUSE_ANIMATION_START_STOP = 0x1B,
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/** Called whenever the construction state of a house changes. */
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CBID_HOUSE_CONSTRUCTION_STATE_CHANGE = 0x1C,
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/** Determine whether a wagon can be attached to an already existing train. */
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CBID_TRAIN_ALLOW_WAGON_ATTACH = 0x1D,
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/** Called to determine the colour of a town building. */
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CBID_BUILDING_COLOUR = 0x1E,
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/** Called to decide how much cargo a town building can accept. */
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CBID_HOUSE_CARGO_ACCEPTANCE = 0x1F,
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/** Called to indicate how long the current animation frame should last. */
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CBID_HOUSE_ANIMATION_SPEED = 0x20,
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/** Called periodically to determine if a house should be destroyed. */
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CBID_HOUSE_DESTRUCTION = 0x21,
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/** Called to determine if the given industry type is available */
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CBID_INDUSTRY_AVAILABLE = 0x22, // not implemented
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/** This callback is called from vehicle purchase lists. It returns a value to be
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* used as a custom string ID in the 0xD000 range. */
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CBID_VEHICLE_ADDITIONAL_TEXT = 0x23,
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/** Called when building a station to customize the tile layout */
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CBID_STATION_TILE_LAYOUT = 0x24,
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/** Called for periodically starting or stopping the animation. */
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CBID_INDTILE_ANIM_START_STOP = 0x25,
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/** Called to determine industry tile next animation frame. */
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CBID_INDTILE_ANIM_NEXT_FRAME = 0x26,
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/** Called to indicate how long the current animation frame should last. */
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CBID_INDTILE_ANIMATION_SPEED = 0x27,
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/** Called to determine if the given industry can be built on specific area. */
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CBID_INDUSTRY_LOCATION = 0x28,
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/** Called on production changes, so it can be adjusted. */
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CBID_INDUSTRY_PRODUCTION_CHANGE = 0x29, // not implemented
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/** Called to determine which cargoes a town building should accept. */
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CBID_HOUSE_ACCEPT_CARGO = 0x2A,
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/** Called to query the cargo acceptance of the industry tile */
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CBID_INDTILE_CARGO_ACCEPTANCE = 0x2B,
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/** Called to determine which cargoes an industry should accept. */
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CBID_INDTILE_ACCEPT_CARGO = 0x2C,
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/** Called to determine if a specific colour map should be used for a vehicle
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* instead of the default livery. */
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CBID_VEHICLE_COLOUR_MAPPING = 0x2D,
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/** Called to determine how much cargo a town building produces. */
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CBID_HOUSE_PRODUCE_CARGO = 0x2E,
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/** Called to determine if the given industry tile can be built on specific tile. */
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CBID_INDTILE_SHAPE_CHECK = 0x2F,
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/** Called to determine the type (if any) of foundation to draw for industry tile. */
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CBID_INDUSTRY_DRAW_FOUNDATIONS = 0x30,
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/** Called when the player (or AI) tries to start or stop a vehicle. Mainly
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* used for preventing a vehicle from leaving the depot. */
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CBID_VEHICLE_START_STOP_CHECK = 0x31,
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/** Called for every vehicle every 32 days (not all on same date though). */
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CBID_VEHICLE_32DAY_CALLBACK = 0x32, // not implemented
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/** Called to play a special sound effect */
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CBID_VEHICLE_SOUND_EFFECT = 0x33,
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/** Return the vehicles this given vehicle can be "upgraded" to. */
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CBID_VEHICLE_AUTOREPLACE_SELECTION = 0x34,
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/** Called monthly on production changes, so it can be adjusted more frequently */
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CBID_INDUSTRY_MONTHLYPROD_CHANGE = 0x35, // not implemented
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/** Called to modify various vehicle properties. Callback parameter 1
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* specifies the property index, as used in Action 0, to change. */
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CBID_VEHICLE_MODIFY_PROPERTY = 0x36,
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/** Called to determine text to display after cargo name */
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CBID_INDUSTRY_CARGO_SUFFIX = 0x37, // not implemented
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/** Called to determine more text in the fund industry window */
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CBID_INDUSTRY_FUND_MORE_TEXT = 0x38,
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/** Called to calculate the income of delivered cargo */
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CBID_CARGO_PROFIT_CALC = 0x39,
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/** Called to determine more text in the industry window */
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CBID_INDUSTRY_WINDOW_MORE_TEXT = 0x3A,
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/** Called to determine industry special effects */
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CBID_INDUSTRY_SPECIAL_EFFECT = 0x3B,
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/** Called to determine if industry can alter the ground below industry tile */
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CBID_INDUSTRY_AUTOSLOPE = 0x3C, // not implemented
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/** Called to determine if the industry can still accept or refuse more cargo arrival */
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CBID_INDUSTRY_REFUSE_CARGO = 0x3D,
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/** Called to determine whether a town building can be destroyed. */
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CBID_HOUSE_DENY_DESTRUCTION = 0x143,
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/** Select an ambient sound to play for a given type of tile. */
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CBID_SOUNDS_AMBIENT_EFFECT = 0x144, // not implemented
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/** Called to calculate part of a station rating. */
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CBID_CARGO_STATION_RATING_CALC = 0x145,
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/** Allow signal sprites to be replaced dynamically. */
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CBID_NEW_SIGNALS_SPRITE_DRAW = 0x146, // not implemented
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/** Add an offset to the default sprite numbers to show another sprite. */
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CBID_CANALS_SPRITE_OFFSET = 0x147, // not implemented
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};
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/**
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* Callback masks for vehicles, indicates which callbacks are used by a vehicle.
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* Some callbacks are always used and don't have a mask.
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*/
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enum VehicleCallbackMask {
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CBM_WAGON_POWER = 0, ///< Powered wagons (trains only)
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CBM_VEHICLE_LENGTH = 1, ///< Vehicle length (trains only)
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CBM_LOAD_AMOUNT = 2, ///< Load amount
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CBM_REFIT_CAPACITY = 3, ///< Cargo capacity after refit
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CBM_ARTIC_ENGINE = 4, ///< Add articulated engines (trains only)
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CBM_CARGO_SUFFIX = 5, ///< Show suffix after cargo name
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CBM_COLOUR_REMAP = 6, ///< Change colour mapping of vehicle
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CBM_SOUND_EFFECT = 7, ///< Vehicle uses custom sound effects
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};
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/**
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* Callback masks for stations.
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*/
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enum StationCallbackMask {
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CBM_STATION_AVAIL = 0, ///< Availability of station in construction window
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CBM_CUSTOM_LAYOUT = 1, ///< Use callback to select a tile layout to use
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};
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/**
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* Callback masks for houses.
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*/
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enum HouseCallbackMask {
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CBM_HOUSE_ALLOW_CONSTRUCTION = 0,
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CBM_ANIMATION_NEXT_FRAME = 1,
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CBM_ANIMATION_START_STOP = 2,
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CBM_CONSTRUCTION_STATE_CHANGE = 3,
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CBM_BUILDING_COLOUR = 4,
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CBM_CARGO_ACCEPTANCE = 5,
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CBM_ANIMATION_SPEED = 6,
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CBM_HOUSE_DESTRUCTION = 7,
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CBM_HOUSE_ACCEPT_CARGO = 8,
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CBM_HOUSE_PRODUCE_CARGO = 9,
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CBM_HOUSE_DENY_DESTRUCTION = 10,
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};
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/**
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* Callback masks for cargos.
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*/
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enum CargoCallbackMask {
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CBM_CARGO_PROFIT_CALC = 0,
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CBM_CARGO_STATION_RATING_CALC = 1,
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};
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/**
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* Callback masks for Industries
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*/
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enum IndustryCallbackMask {
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CBM_IND_AVAILABLE = 0, ///< industry availability callback
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CBM_IND_PRODUCTION_CARGO_ARRIVAL = 1, ///< call production callback when cargo arrives at the industry
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CBM_IND_PRODUCTION_256_TICKS = 2, ///< call production callback every 256 ticks
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CBM_IND_LOCATION = 3, ///< check industry construction on given area
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CBM_IND_PRODUCTION_CHANGE = 4, ///< controls random production change
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CBM_IND_MONTHLYPROD_CHANGE = 5, ///< controls monthly random production change
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CBM_IND_CARGO_SUFFIX = 6, ///< cargo sub-type display
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CBM_IND_FUND_MORE_TEXT = 7, ///< additional text in fund window
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CBM_IND_WINDOW_MORE_TEXT = 8, ///< additional text in industry window
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CBM_IND_SPECIAL_EFFECT = 9, ///< control special effects
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CBM_IND_REFUSE_CARGO = 10, ///< option out of accepting cargo
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};
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/**
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* Callback masks for industry tiles
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*/
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enum IndustryTileCallbackMask {
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CBM_INDT_ANIM_NEXT_FRAME = 0, ///< decides next animation frame
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CBM_INDT_ANIM_SPEED = 1, ///< decides animation speed
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CBM_INDT_CARGO_ACCEPTANCE = 2, ///< decides amount of cargo acceptance
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CBM_INDT_ACCEPT_CARGO = 3, ///< decides accepted types
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CBM_INDT_SHAPE_CHECK = 4, ///< decides slope suitability
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CBM_INDT_DRAW_FOUNDATIONS = 5, ///< decides if default foundations need to be drawn
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CBM_INDT_AUTOSLOPE = 6, ///< decides allowance of autosloping
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};
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/**
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* Result of a failed callback.
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*/
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enum {
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CALLBACK_FAILED = 0xFFFF
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};
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#endif /* NEWGRF_CALLBACKS_H */
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