(svn r3766) Add a function to get the RoadBits from an arbitrary tile

2006-03-05 12:22:20 +00:00
parent ebec656110
commit f007ad282c
6 changed files with 73 additions and 37 deletions
--- a/tile.h
+++ b/tile.h
@@ -44,6 +44,12 @@ typedef enum DiagonalDirections {
 	INVALID_DIAGDIR = 0xFF,
 } DiagDirection;

+static inline DiagDirection ReverseDiagDir(DiagDirection d)
+{
+	return 2 ^ d;
+}
+
+
 /* the 2 axis */
 typedef enum Axis {
 	AXIS_X = 0,