From d21fd8e6727f1fba7cb57994aa9c74d4dd0cf05b Mon Sep 17 00:00:00 2001
From: skyleo <skyleo@skyleo.de>
Date: Mon, 2 Dec 2019 19:03:05 +0100
Subject: Change bl parameter to be const in unit->getdir

---
 src/map/unit.c | 4 ++--
 src/map/unit.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/map/unit.c b/src/map/unit.c
index 28f81017f..4a0d98cc4 100644
--- a/src/map/unit.c
+++ b/src/map/unit.c
@@ -937,13 +937,13 @@ static int unit_set_dir(struct block_list *bl, enum unit_dir dir)
  * @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)
+static enum unit_dir unit_getdir(const struct block_list *bl)
 {
 	nullpo_retr(UNIT_DIR_NORTH, bl);
 
 	if (bl->type == BL_NPC)
 		return BL_UCCAST(BL_NPC, bl)->dir;
-	struct unit_data *ud = unit->bl2ud(bl);
+	const struct unit_data *ud = unit->cbl2ud(bl);
 	if (ud == NULL)
 		return UNIT_DIR_NORTH;
 	return ud->dir;
diff --git a/src/map/unit.h b/src/map/unit.h
index 7bf94d3e1..3f288e0d3 100644
--- a/src/map/unit.h
+++ b/src/map/unit.h
@@ -118,7 +118,7 @@ struct unit_interface {
 	int (*escape) (struct block_list *bl, struct block_list *target, short dist);
 	int (*movepos) (struct block_list *bl, short dst_x, short dst_y, int easy, bool checkpath);
 	int (*set_dir) (struct block_list *bl, enum unit_dir dir);
-	enum unit_dir (*getdir) (struct block_list *bl);
+	enum unit_dir (*getdir) (const struct block_list *bl);
 	int (*blown) (struct block_list *bl, int dx, int dy, int count, int flag);
 	int (*warp) (struct block_list *bl, short m, short x, short y, enum clr_type type);
 	int (*warpto_master) (struct block_list *master_bl, struct block_list *slave_bl);
-- 
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