@autopilot fix lag issues

src/map/homunculus.cpp

@@ -920,6 +920,12 @@ int hom_hungry_timer_delete(struct homun_data *hd)
 		delete_timer(hd->hungry_timer,hom_hungry);
 		hd->hungry_timer = INVALID_TIMER;
 	}
+
+	if (hd->autopilottimer != INVALID_TIMER) {
+		delete_timer(hd->autopilottimer, unit_autopilot_homunculus_timer);
+		hd->autopilottimer = INVALID_TIMER;
+	}
+
 	return 1;
 }
 
@@ -1048,7 +1054,7 @@ void hom_alloc(struct map_session_data *sd, struct s_homunculus *hom)
 
 	hd->hungry_timer = INVALID_TIMER;
 	hd->masterteleport_timer = INVALID_TIMER;
-	add_timer_interval(gettick() + 100, unit_autopilot_homunculus_timer, hd->bl.id, 0, 100);
+	hd->autopilottimer = INVALID_TIMER;
 
 }
 
@@ -1060,6 +1066,10 @@ void hom_init_timers(struct homun_data * hd)
 {
 	if (hd->hungry_timer == INVALID_TIMER)
 		hd->hungry_timer = add_timer(gettick()+hd->homunculusDB->hungryDelay,hom_hungry,hd->master->bl.id,0);
+
+	if (hd->autopilottimer == INVALID_TIMER)
+		hd->autopilottimer = add_timer_interval(gettick() + 100, unit_autopilot_homunculus_timer, hd->bl.id, 0, 100);
+
 	hd->regen.state.block = 0; //Restore HP/SP block.
 	hd->masterteleport_timer = INVALID_TIMER;
 }
@@ -1645,6 +1655,7 @@ void do_init_homunculus(void){
 
 	// Add homunc timer function to timer func list [Toms]
 	add_timer_func_list(hom_hungry, "hom_hungry");
+	add_timer_func_list(unit_autopilot_homunculus_timer, "unit_autopilot_homunculus_timer");
 
 	//Stock view data for homuncs
 	memset(&hom_viewdb, 0, sizeof(hom_viewdb));

src/map/homunculus.hpp

@@ -66,6 +66,7 @@ struct homun_data {
 	int masterteleport_timer;
 	struct map_session_data *master; //pointer back to its master
 	int hungry_timer;	//[orn]
+	int autopilottimer;
 	unsigned int exp_next;
 	char blockskill[MAX_SKILL];	// [orn]
 };

src/map/path.cpp

@@ -397,8 +397,14 @@ bool path_search(struct walkpath_data *wpd, int16 m, int16 x0, int16 y0, int16 x
 				break;
 			}
 
-			if (abs(x - x0) > maxdist) continue;
-			if (abs(y - y0) > maxdist) continue; 
+			// Heuristic : stop processing if path can't possibly be shorter than maximum length allowed
+			int usedlength = abs(x - x0);
+			if (usedlength < abs(y - y0)) usedlength = abs(y - y0);
+
+			int needlength = abs(x - x1);
+			if (needlength < abs(y - y1)) needlength = abs(y - y1);
+
+			if (usedlength+needlength > maxdist) continue;
 
 			if (y < ys && !map_getcellp(mapdata, x, y+1, cell)) allowed_dirs |= PATH_DIR_NORTH;
 			if (y >  0 && !map_getcellp(mapdata, x, y-1, cell)) allowed_dirs |= PATH_DIR_SOUTH;

src/map/unit.cpp

@@ -8364,7 +8364,7 @@ void do_init_unit(void){
 	add_timer_func_list(unit_step_timer,"unit_step_timer");
 
 	add_timer_func_list(unit_autopilot_timer, "unit_autopilot_timer");
-	add_timer_func_list(unit_autopilot_homunculus_timer, "unit_autopilot_homunculus_timer");
+//	add_timer_func_list(unit_autopilot_homunculus_timer, "unit_autopilot_homunculus_timer");
 
 }