(svn r3946) Add short hand names for common track combinations

1 files changed, 8 insertions, 0 deletions

diff --git a/rail_map.h b/rail_map.h
index e03893470..42d790982 100644
--- a/rail_map.h
+++ b/rail_map.h
@@ -94,6 +94,14 @@ typedef enum TrackBits {
 	TRACK_BIT_LOWER = 1U << TRACK_LOWER,
 	TRACK_BIT_LEFT  = 1U << TRACK_LEFT,
 	TRACK_BIT_RIGHT = 1U << TRACK_RIGHT,
+	TRACK_BIT_CROSS = TRACK_BIT_X     | TRACK_BIT_Y,
+	TRACK_BIT_HORZ  = TRACK_BIT_UPPER | TRACK_BIT_LOWER,
+	TRACK_BIT_VERT  = TRACK_BIT_LEFT  | TRACK_BIT_RIGHT,
+	TRACK_BIT_3WAY_NE = TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT,
+	TRACK_BIT_3WAY_SE = TRACK_BIT_Y | TRACK_BIT_LOWER | TRACK_BIT_RIGHT,
+	TRACK_BIT_3WAY_SW = TRACK_BIT_X | TRACK_BIT_LOWER | TRACK_BIT_LEFT,
+	TRACK_BIT_3WAY_NW = TRACK_BIT_Y | TRACK_BIT_UPPER | TRACK_BIT_LEFT,
+	TRACK_BIT_ALL   = TRACK_BIT_CROSS | TRACK_BIT_HORZ | TRACK_BIT_VERT,
 	TRACK_BIT_MASK  = 0x3FU
 } TrackBits;