Function IsReversingRoadTrackdir

src/track_func.h:673–677

* Checks whether the trackdir means that we are reversing. * @param dir the trackdir to check * @return true if it is a reversing road trackdir */

 * @return true if it is a reversing road trackdir
 */
inline bool IsReversingRoadTrackdir(Trackdir dir)
{
	assert(IsValidTrackdirForRoadVehicle(dir));
	return (dir & 0x07) >= 6;
}

/**
 * Checks whether the given trackdir is a straight road