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

[plomrogue] / src / yx_uint16.c

diff --git a/src/yx_uint16.c b/src/yx_uint16.c
index 54274f404223486af0dee1735e3b9014d51ba8a1..c980693b998bf3156ea70e1f3f5a8df8fc36402b 100644 (file)
--- a/src/yx_uint16.c
+++ b/src/yx_uint16.c
@@ -1,8 +1,7 @@
 /* yx_uint16.c */
 
-
-
-#include "yx_uint16.h" /* for uint8_t, uint16_t */
+#include "yx_uint16.h"
+#include <stdint.h> /* for uint8_t, uint16_t */
 
 
 
@@ -12,29 +11,26 @@ extern uint8_t yx_uint16_cmp(struct yx_uint16 * a, struct yx_uint16 * b)
     {
         return 1;
     }
-    else
-    {
-        return 0;
-    }
+    return 0;
 }
 
 
 
-extern struct yx_uint16 mv_yx_in_dir(enum dir d, struct yx_uint16 yx)
+extern struct yx_uint16 mv_yx_in_dir(char d, struct yx_uint16 yx)
 {
-    if      (d == NORTH)
+    if      (d == 'N' && yx.y > 0)
     {
         yx.y--;
     }
-    else if (d == EAST)
+    else if (d == 'E' && yx.x < UINT16_MAX)
     {
         yx.x++;
     }
-    else if (d == SOUTH)
+    else if (d == 'S' && yx.y < UINT16_MAX)
     {
         yx.y++;
     }
-    else if (d == WEST)
+    else if (d == 'W' && yx.x > 0)
     {
         yx.x--;
     }