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https://github.com/JGRennison/OpenTTD-patches.git
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41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
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/* $Id$ */
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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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// This enum lists the implemented callbacks
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// Use as argument for the GetCallBackResult function (see comments there)
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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_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_VEH_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_REFIT_CAP = 0x15,
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CBID_ARTIC_ENGINE = 0x16,
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};
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// bit positions for rvi->callbackmask, indicates which callbacks are used by an engine
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// (some callbacks are always used, and dont appear here)
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enum CallbackMask {
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CBM_WAGON_POWER = 0,
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CBM_VEH_LENGTH = 1,
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CBM_REFIT_CAP = 3,
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CBM_ARTIC_ENGINE = 4,
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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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