Adds setMoveCooldown()

code/ZAS/Airflow.dm

@@ -116,8 +116,9 @@ obj/item/check_airflow_movable(n)
 		if(!istype(loc, /turf))
 			break
 		step_towards(src, src.airflow_dest)
-		if(ismob(src) && src:client)
-			src:client:move_delay = world.time + vsc.airflow_mob_slowdown
+		if(ismob(src))
+			var/mob/M = src
+			M.setMoveCooldown(vsc.airflow_mob_slowdown)
 	airflow_dest = null
 	airflow_speed = 0
 	airflow_time = 0

code/modules/mob/mob_movement.dm

@@ -10,6 +10,9 @@
 		return (!mover.density || !density || lying)
 	return
 
+/mob/setMoveCooldown(var/timeout)
+	if(client) 
+		client.move_delay = max(world.time + timeout, client.move_delay)
 
 /client/North()
 	..()

code/modules/projectiles/gun.dm

@@ -170,7 +170,7 @@
 
 	var/shoot_time = (_burst - 1)*_burst_delay
 	user.setClickCooldown(shoot_time)
-	if(user.client) user.client.move_delay = world.time + shoot_time //no moving while shooting either
+	user.setMoveCooldown(shoot_time) //no moving while shooting either
 	next_fire_time = world.time + shoot_time
 
 	//actually attempt to shoot
@@ -203,7 +203,7 @@
 
 	//update timing
 	user.setClickCooldown(4)
-	if(user.client) user.client.move_delay = world.time + _move_delay
+	user.setMoveCooldown(_move_delay)
 	next_fire_time = world.time + _fire_delay
 
 	if(muzzle_flash)