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64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/* $Id$ */
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#ifndef NEWGRF_CALLBACKS_H
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#define NEWGRF_CALLBACKS_H
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/** @file newgrf_callbacks.h
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*/
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/**
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* List of implemented NewGRF callbacks.
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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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// 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
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// only for train vehicles
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CBID_TRAIN_VEHICLE_LENGTH = 0x11,
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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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CBID_TRAIN_ARTIC_ENGINE = 0x16,
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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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};
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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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* 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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