(svn r4351) Simplify ReverseTrackdir() to use a simple arithmetic operation instead of a table lookup

2006-04-11 04:49:23 +00:00
parent ddd96570ca
commit 28dfdd7863
2 changed files with 1 additions and 6 deletions
--- a/rail.h
+++ b/rail.h
@@ -238,8 +238,7 @@ static inline bool HasTrack(TileIndex tile, Track track)
 * Maps a trackdir to the reverse trackdir.
 */
 static inline Trackdir ReverseTrackdir(Trackdir trackdir) {
-	extern const Trackdir _reverse_trackdir[TRACKDIR_END];
-	return _reverse_trackdir[trackdir];
+	return (Trackdir)(trackdir ^ 8);
 }

 /**