- Modified unit_walktoxy_sub to always move at least one cell when a large chaserange is specified to prevent possible infinite loops where attack_timer says you are not within range, but unit_walktoxy says you are.

git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@5987 54d463be-8e91-2dee-dedb-b68131a5f0ec

1 files changed, 5 insertions, 10 deletions

diff --git a/src/map/unit.c b/src/map/unit.c
index 47bae59a4..b828f721c 100644
--- a/src/map/unit.c
+++ b/src/map/unit.c
@@ -58,9 +58,10 @@ int unit_walktoxy_sub(struct block_list *bl)
 	memcpy(&ud->walkpath,&wpd,sizeof(wpd));

 	

 	if (ud->target && ud->chaserange >0) {

-		//Trim the last part of the path to account for range.

-		for (i = ud->chaserange*10; i > 0 && ud->walkpath.path_len>0;) {

-			int dir;

+		int dir;

+		//Trim the last part of the path to account for range,

+		//but always move at least one cell when requested to move.

+		for (i = ud->chaserange*10; i > 0 && ud->walkpath.path_len>1;) {

 		   ud->walkpath.path_len--;

 			dir = ud->walkpath.path[ud->walkpath.path_len];

 			if(dir&1)

@@ -70,12 +71,6 @@ int unit_walktoxy_sub(struct block_list *bl)
 			ud->to_x -= dirx[dir];

 			ud->to_y -= diry[dir];

 		}

-		if (!ud->walkpath.path_len) {

-			//Already within requested range.

-			if (ud->target && ud->state.attack_continue)

-				unit_attack(bl, ud->target, 1);

-			return 0;

-		}

 	}

 

 	ud->state.change_walk_target=0;

@@ -314,7 +309,7 @@ int unit_walktobl(struct block_list *bl, struct block_list *tbl, int range, int
 

 	ud->state.walk_easy = flag&1;

 	ud->target = tbl->id;

-	ud->chaserange = range;

+	ud->chaserange = range; //Note that if flag&2, this SHOULD be attack-range

 	ud->state.attack_continue = flag&2?1:0; //Chase to attack.

 

 	sc = status_get_sc(bl);