From 8ff8d0f9ee285452ba7820c3fb333eddb042272b Mon Sep 17 00:00:00 2001
From: skotlex <skotlex@54d463be-8e91-2dee-dedb-b68131a5f0ec>
Date: Tue, 16 Jan 2007 13:56:17 +0000
Subject: - Added function unit_escape to simplify the run-away code a bit in
 the mob ai. - Some cleaning on the mob_ai to enable mobs to run away from
 their current target when they are rude-attacked by them.

git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@9658 54d463be-8e91-2dee-dedb-b68131a5f0ec
---
 src/map/unit.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/map/unit.c')

diff --git a/src/map/unit.c b/src/map/unit.c
index 8684c0732..a03b24d74 100644
--- a/src/map/unit.c
+++ b/src/map/unit.c
@@ -413,6 +413,19 @@ int unit_run(struct block_list *bl)
 	return 1;
 }
 
+//Makes bl attempt to run dist cells away from target. Uses hard-paths.
+int unit_escape(struct block_list *bl, struct block_list *target, int dist)
+{
+	int dir = map_calc_dir(target, bl->x, bl->y);
+	while (dist > 0 && map_getcell(bl->m,
+		bl->x + dist*dirx[dir], bl->y + dist*diry[dir],
+		CELL_CHKNOREACH))
+		dist--;
+	return (dist > 0 && unit_walktoxy(bl,
+		bl->x + dist*dirx[dir], bl->y + dist*diry[dir],
+		0));
+}
+
 //Instant warp function.
 int unit_movepos(struct block_list *bl,int dst_x,int dst_y, int easy, int checkpath)
 {
-- 
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