- 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://svn.code.sf.net/p/rathena/svn/trunk@9658 54d463be-8e91-2dee-dedb-b68131a5f0ec

Changelog-Trunk.txt

@@ -3,6 +3,9 @@ Date	Added
 AS OF SVN REV. 5091, WE ARE NOW USING TRUNK.  ALL UNTESTED BUGFIXES/FEATURES GO INTO TRUNK.
 IF YOU HAVE A WORKING AND TESTED BUGFIX PUT IT INTO STABLE AS WELL AS TRUNK.
 
+2007/01/16
+	* Some cleaning on the mob_ai to enable mobs to run away from their current
+	  target when they are rude-attacked by them.
 2007/01/15
 	* The NPC elemental attacks will display a skill animation again.
 	* Mob instant cast skills will use their adelay now.

src/map/mob.c

@@ -1123,12 +1123,16 @@ static int mob_ai_sub_hard(struct block_list *bl,va_list ap)
 		if (md->attacked_id == md->target_id)
 		{
 			if (!battle_check_range(&md->bl, tbl, md->status.rhw.range) &&
-				((!can_move && battle_config.mob_ai&0x2) ||
-				(!mob_can_reach(md, tbl, md->min_chase, MSS_RUSH))))
+				(
+					(!can_move && battle_config.mob_ai&0x2) ||
+					(!mob_can_reach(md, tbl, md->min_chase, MSS_RUSH))
+				) &&
+				DIFF_TICK(tick, md->ud.canmove_tick) > 0 &&
+				md->state.attacked_count++ >= RUDE_ATTACKED_COUNT
+			)
 			{	//Rude-attacked (avoid triggering due to can-walk delay).
-				if (DIFF_TICK(tick, md->ud.canmove_tick) > 0 &&
-				  	md->state.attacked_count++ >= RUDE_ATTACKED_COUNT)
-					mobskill_use(md, tick, MSC_RUDEATTACKED);
+				if (!mobskill_use(md, tick, MSC_RUDEATTACKED) && can_move)
+					unit_escape(bl, tbl, rand()%10 +1);
 			}
 		} else
 		if ((abl= map_id2bl(md->attacked_id)) && (!tbl || mob_can_changetarget(md, abl, mode))) {
@@ -1142,15 +1146,9 @@ static int mob_ai_sub_hard(struct block_list *bl,va_list ap)
 					((TBL_PC*)abl)->state.gangsterparadise
 				)
 			)	{	//Can't attack back
-				if (md->state.attacked_count++ >= RUDE_ATTACKED_COUNT) {
-					if (mobskill_use(md, tick, MSC_RUDEATTACKED) == 0 && can_move)
-					{
-						int dist = rand() % 10 + 1;//Œã‘Þ‚·‚é‹——£
-						int dir = map_calc_dir(abl, bl->x, bl->y);
-						int mask[8][2] = {{0,1},{-1,1},{-1,0},{-1,-1},{0,-1},{1,-1},{1,0},{1,1}};
-						unit_walktoxy(&md->bl, md->bl.x + dist * mask[dir][0], md->bl.y + dist * mask[dir][1], 0);
-					}
-				}
+				if (md->state.attacked_count++ >= RUDE_ATTACKED_COUNT &&
+					!mobskill_use(md, tick, MSC_RUDEATTACKED) && can_move)
+						unit_escape(bl, abl, rand()%10 +1);
 			} else if (!(battle_config.mob_ai&0x2) && !status_check_skilluse(bl, abl, 0, 0)) {
 				//Can't attack back, but didn't invoke a rude attacked skill...
 				md->attacked_id = 0; //Simply unlock, shouldn't attempt to run away when in dumb_ai mode.

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)
 {

src/map/unit.h

@@ -24,6 +24,7 @@ int unit_can_move(struct block_list *bl);
 int unit_is_walking(struct block_list *bl);
 int unit_set_walkdelay(struct block_list *bl, unsigned int tick, int delay, int type);
 
+int unit_escape(struct block_list *bl, struct block_list *target, int dist);
 // 位置の強制移動(吹き飛ばしなど)
 int unit_movepos(struct block_list *bl,int dst_x,int dst_y, int easy, int checkpath);
 int unit_warp(struct block_list *bl, int map, short x, short y, int type);