X-Git-Url: https://plomlompom.com/repos/test.html?a=blobdiff_plain;f=src%2Fyx_uint16.c;h=55c832bd7772711cb271c38c60280edb8cc747e9;hb=714bf970109b33005e0ab3e588d818460ccdc304;hp=afcab4db7a17d064a1faa36890576845bbd572b3;hpb=64e1bc2a874308530b7b45c33ed5d37f34f5f8be;p=plomrogue
diff --git a/src/yx_uint16.c b/src/yx_uint16.c
index afcab4d..55c832b 100644
--- a/src/yx_uint16.c
+++ b/src/yx_uint16.c
@@ -1,4 +1,3 @@
-#include "stdint.h"
#include "yx_uint16.h"
extern char yx_uint16_cmp (struct yx_uint16 a, struct yx_uint16 b) {
@@ -6,3 +5,11 @@ extern char yx_uint16_cmp (struct yx_uint16 a, struct yx_uint16 b) {
if (a.y == b.y && a.x == b.x) return 1;
else return 0; }
+extern struct yx_uint16 mv_yx_in_dir (char d, struct yx_uint16 yx) {
+// Return yx coordinates one step to the direction d of yx.
+ if (d == NORTH) yx.y--;
+ else if (d == EAST) yx.x++;
+ else if (d == SOUTH) yx.y++;
+ else if (d == WEST) yx.x--;
+ return yx; }
+