X-Git-Url: https://plomlompom.com/repos/foo.html?a=blobdiff_plain;f=src%2Fyx_uint16.c;h=0f4447382e00c268291040f71cf80b623516356f;hb=022f78b4ca5a98999f5e482277b0a317af91f404;hp=0d607cb9da63eca1aace7ffaaa9c762d7028478d;hpb=f07cfd3448cb75abc1ae6fbfc9a946b8c4b91f5d;p=plomrogue
diff --git a/src/yx_uint16.c b/src/yx_uint16.c
index 0d607cb..0f44473 100644
--- a/src/yx_uint16.c
+++ b/src/yx_uint16.c
@@ -1,16 +1,42 @@
-#include "stdint.h"
-#include "yx_uint16.h"
-
-extern char yx_uint16_cmp (struct yx_uint16 a, struct yx_uint16 b) {
-// Compare two coordinates of type yx_uint16.
- 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; }
+/* yx_uint16.c */
+
+
+#include "yx_uint16.h" /* for uint8_t, uint16_t */
+
+
+
+extern uint8_t 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(enum dir d, struct yx_uint16 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;
+}