cpp/openttd-patchpack/source Files · src/signal_func.h

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r8781:bd977c904a17 1.4 KiB text/x-c Show Annotation Show as Raw Download as Raw

bjarni

(svn r12482) -Fix: [build train] we don't need to have a depot in order to just check the price of a rail vehicle so don't check for compatible rails on the tile either
also wagons will only need tracks they can drive on in order to be build so there is no reason to check for power in the depot

/* $Id$ */

/** @file signal_func.h Functions related to signals. */

#ifndef SIGNAL_FUNC_H
#define SIGNAL_FUNC_H

#include "track_type.h"
#include "tile_type.h"
#include "direction_type.h"
#include "track_type.h"
#include "player_type.h"

/**
 * Maps a trackdir to the bit that stores its status in the map arrays, in the
 * direction along with the trackdir.
 */
static inline byte SignalAlongTrackdir(Trackdir trackdir)
{
	extern const byte _signal_along_trackdir[TRACKDIR_END];
	return _signal_along_trackdir[trackdir];
}

/**
 * Maps a trackdir to the bit that stores its status in the map arrays, in the
 * direction against the trackdir.
 */
static inline byte SignalAgainstTrackdir(Trackdir trackdir)
{
	extern const byte _signal_against_trackdir[TRACKDIR_END];
	return _signal_against_trackdir[trackdir];
}

/**
 * Maps a Track to the bits that store the status of the two signals that can
 * be present on the given track.
 */
static inline byte SignalOnTrack(Track track)
{
	extern const byte _signal_on_track[TRACK_END];
	return _signal_on_track[track];
}

bool UpdateSignalsOnSegment(TileIndex tile, DiagDirection side, Owner owner);
void SetSignalsOnBothDir(TileIndex tile, Track track, Owner owner);
void AddTrackToSignalBuffer(TileIndex tile, Track track, Owner owner);
void AddSideToSignalBuffer(TileIndex tile, DiagDirection side, Owner owner);
void UpdateSignalsInBuffer();

#endif /* SIGNAL_FUNC_H */