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