Fixed bug that led to endless loop in nearest_enemy_dir().

[plomrogue] / src / yx_uint16.h

diff --git a/src/yx_uint16.h b/src/yx_uint16.h
index 188e553e0014b820bf7e2e0dfa783913abb1bf27..f6f90a372dca46c8af4b63a17dcd1e4e3f37bcb6 100644 (file)
--- a/src/yx_uint16.h
+++ b/src/yx_uint16.h
@@ -23,10 +23,9 @@ struct yx_uint16
 /* 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"
- * (east: 'E', west: 'W', north: 'N', south: 'S').
- *
- * If an invalid dir "d" is passed, "yx" remains unchanged.
+/* Return yx_uint16 coordinate one step from "yx" in direction "dir" (east: 'E',
+ * west: 'W', north: 'N', south: 'S'). If "dir" is invalid or would wrap the
+ * move around the edge of a 2^16x2^16 cells field, "yx" remains unchanged.
  */
 extern struct yx_uint16 mv_yx_in_dir(char dir, struct yx_uint16 yx);