X-Git-Url: https://plomlompom.com/repos/feed.xml?a=blobdiff_plain;f=src%2Fyx_uint16.h;h=7e3d13b51b273e436e9b50dce7d87c21b4b9efdb;hb=c01d4595cbde0eaae357490b8b3305953293108c;hp=86812f4ed03e1a14e32e65645d5278910096cdca;hpb=7290dec4219eaa2325aa00ef6139f715743dba3a;p=plomrogue

diff --git a/src/yx_uint16.h b/src/yx_uint16.h
index 86812f4..7e3d13b 100644
--- a/src/yx_uint16.h
+++ b/src/yx_uint16.h
@@ -20,27 +20,17 @@ struct yx_uint16
 
 
 
-/* Directions available for movement. */
-enum dir
-{
-    NORTH = 1,
-    EAST,
-    SOUTH,
-    WEST
-};
-
-
-
 /* Return 1 if two yx_uint16 coordinates at "a" and "b" are equal, else 0. */
 extern uint8_t yx_uint16_cmp(struct yx_uint16 * a, struct yx_uint16 * b);
 
 
 
-/* Return yx_uint16 coordinate one step from coordinate yx in direction dir.
+/* Return yx_uint16 coordinate one step from coordinate yx in direction "dir"
+ * (east: 'E', west: 'W', north: 'N', south: 'S').
  *
  * If an invalid dir "d" is passed, "yx" remains unchanged.
  */
-extern struct yx_uint16 mv_yx_in_dir(enum dir d, struct yx_uint16 yx);
+extern struct yx_uint16 mv_yx_in_dir(char dir, struct yx_uint16 yx);