(svn r3776) Replace many ints and magic numbers by Direction, DiagDirection and friends

1 files changed, 7 insertions, 1 deletions

diff --git a/direction.h b/direction.h
index 8a45dc43e..33c465aac 100644
--- a/direction.h
+++ b/direction.h
@@ -34,12 +34,18 @@ static inline DiagDirection ReverseDiagDir(DiagDirection d)
 }
 
 
-static inline DiagDirection DirToDiagdir(Direction dir)
+static inline DiagDirection DirToDiagDir(Direction dir)
 {
 	return (DiagDirection)(dir >> 1);
 }
 
 
+static inline Direction DiagDirToDir(DiagDirection dir)
+{
+	return (Direction)(dir * 2 + 1);
+}
+
+
 /* the 2 axis */
 typedef enum Axis {
 	AXIS_X = 0,