diff options
Diffstat (limited to 'src/map/unit.c')
| -rw-r--r-- | src/map/unit.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/src/map/unit.c b/src/map/unit.c index 235a843eb..3a940665d 100644 --- a/src/map/unit.c +++ b/src/map/unit.c @@ -832,12 +832,18 @@ static int unit_movepos(struct block_list *bl, short dst_x, short dst_y, int eas return 1; } -static int unit_setdir(struct block_list *bl, unsigned char dir) +/** + * Sets the facing direction of a unit + * @param bl: unit to modify + * @param dir: the facing direction @see enum unit_dir + * @return 0: success, 1: failure + */ +static int unit_setdir(struct block_list *bl, enum unit_dir dir) { - struct unit_data *ud; - nullpo_ret(bl ); - ud = unit->bl2ud(bl); - if (!ud) return 0; + nullpo_retr(1, bl); + struct unit_data *ud = unit->bl2ud(bl); + if (ud == NULL) + return 1; ud->dir = dir; if (bl->type == BL_PC) BL_UCAST(BL_PC, bl)->head_dir = 0; @@ -845,15 +851,20 @@ static int unit_setdir(struct block_list *bl, unsigned char dir) return 0; } -static uint8 unit_getdir(struct block_list *bl) +/** + * Get the facing direction of a unit + * @param bl: unit to request data from + * @return the facing direction @see enum unit_dir + */ +static enum unit_dir unit_getdir(struct block_list *bl) { - struct unit_data *ud; - nullpo_ret(bl); + nullpo_retr(UNIT_DIR_NORTH, bl); - if( bl->type == BL_NPC ) + if (bl->type == BL_NPC) return BL_UCCAST(BL_NPC, bl)->dir; - ud = unit->bl2ud(bl); - if (!ud) return 0; + struct unit_data *ud = unit->bl2ud(bl); + if (ud == NULL) + return UNIT_DIR_NORTH; return ud->dir; } |