(svn r13941) -Codechange [YAPP]: Added YAPP-related penalties to YAPF. (michi_cc)

src/track_func.h

@@ -589,6 +589,19 @@ static inline bool TracksOverlap(TrackBits bits)
 	return bits != TRACK_BIT_HORZ && bits != TRACK_BIT_VERT;
 }
 
+/**
+ * Check if a given track is contained within or overlaps some other tracks.
+ *
+ * @param tracks Tracks to be testet against
+ * @param track The track to test
+ * @return true if the track is already in the tracks or overlaps the tracks.
+ */
+static inline bool TrackOverlapsTracks(TrackBits tracks, Track track)
+{
+	if (HasBit(tracks, track)) return true;
+	return TracksOverlap(tracks | TrackToTrackBits(track));
+}
+
 /**
  * Checks whether the trackdir means that we are reversing.
  * @param dir the trackdir to check