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Minor code-stylistic revisions to yx_uint16 library.
[plomrogue]
/
src
/
yx_uint16.c
diff --git
a/src/yx_uint16.c
b/src/yx_uint16.c
index afcab4db7a17d064a1faa36890576845bbd572b3..e14d16de8b51fd5d57c8cfe1ec52a4f72f7bf173 100644
(file)
--- a/
src/yx_uint16.c
+++ b/
src/yx_uint16.c
@@
-1,8
+1,38
@@
-#include "stdint.h"
+/* yx_uint16.c */
+
#include "yx_uint16.h"
#include "yx_uint16.h"
+#include <stdint.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;
+ }
+ return 0;
+}
+
-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)
+{
+ if (d == 'N')
+ {
+ yx.y--;
+ }
+ else if (d == 'E')
+ {
+ yx.x++;
+ }
+ else if (d == 'S')
+ {
+ yx.y++;
+ }
+ else if (d == 'W')
+ {
+ yx.x--;
+ }
+ return yx;
+}