1 /* src/server/yx_uint16.h
3 * Routines for comparison and movement with yx_uin16 structs.
6 #ifndef YX_UINT16_H_SERVER
7 #define YX_UINT16_H_SERVER
9 #include <stdint.h> /* uint8_t */
10 #include "../common/yx_uint16.h" /* yx_uint16 struct */
14 /* Return 1 if two yx_uint16 coordinates at "a" and "b" are equal, else 0. */
15 extern uint8_t yx_uint16_cmp(struct yx_uint16 * a, struct yx_uint16 * b);
17 /* Return yx_uint16 coordinate one step from "yx" in direction "dir" (east: 'E',
18 * west: 'W', north: 'N', south: 'S'). If "dir" is invalid or would wrap the
19 * move around the edge of a 2^16x2^16 cells field, "yx" remains unchanged.
21 extern struct yx_uint16 mv_yx_in_dir(char dir, struct yx_uint16 yx);