OpenTTD-patches/newgrf_callbacks.h

52 lines
1.5 KiB
C

/* $Id$ */
#ifndef NEWGRF_CALLBACKS_H
#define NEWGRF_CALLBACKS_H
/** @file 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,
// 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,
};
/**
* 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
};
/**
* Result of a failed callback.
*/
enum {
CALLBACK_FAILED = 0xFFFF
};
#endif /* NEWGRF_CALLBACKS_H */