(svn r3777) Add some functions to handle tunnels

2006-03-06 20:55:24 +00:00
parent 2d3c28f2b3
commit f2dc736554
11 changed files with 132 additions and 46 deletions
--- a/direction.h
+++ b/direction.h
@@ -52,4 +52,10 @@ typedef enum Axis {
 	AXIS_Y = 1
 } Axis;

+
+static inline Axis DiagDirToAxis(DiagDirection d)
+{
+	return (Axis)(d & 1);
+}
+
 #endif