(svn r11663) -Codechange: moving of the road related types and functions.

1 files changed, 20 insertions, 0 deletions

diff --git a/src/track_func.h b/src/track_func.h
index 32a872b61..813f211b1 100644
--- a/src/track_func.h
+++ b/src/track_func.h
@@ -494,4 +494,24 @@ static inline bool TracksOverlap(TrackBits bits)
 	return bits != TRACK_BIT_HORZ && bits != TRACK_BIT_VERT;
 }
 
+/**
+ * Checks whether the trackdir means that we are reversing.
+ * @param dir the trackdir to check
+ * @return true if it is a reversing road trackdir
+ */
+static inline bool IsReversingRoadTrackdir(Trackdir dir)
+{
+	return (dir & 0x07) >= 6;
+}
+
+/**
+ * Checks whether the given trackdir is a straight road
+ * @param dir the trackdir to check
+ * @return true if it is a straight road trackdir
+ */
+static inline bool IsStraightRoadTrackdir(Trackdir dir)
+{
+	return (dir & 0x06) == 0;
+}
+
 #endif /* RAIL_H */