Function TrackDirectionToTrackdir

src/track_func.h:498–504

* Maps a track and a full (8-way) direction to the trackdir that represents * the track running in the given direction. */

 * the track running in the given direction.
 */
inline Trackdir TrackDirectionToTrackdir(Track track, Direction dir)
{
	assert(IsValidTrack(track));
	assert(IsValidDirection(dir));
	extern const Trackdir _track_direction_to_trackdir[TRACK_END][DIR_END];
	return _track_direction_to_trackdir[track][dir];
}

/**
 * Maps a (4-way) direction to the diagonal track incidating with that diagdir