Adds a "params" parameter to attackby(), so it keeps track of pixel_x and pixel_y among other things

code/game/objects/effects/spiders.dm

@@ -20,7 +20,7 @@
 				qdel(src)
 	return
 
-/obj/effect/spider/attackby(var/obj/item/weapon/W, var/mob/user)
+/obj/effect/spider/attackby(var/obj/item/weapon/W, var/mob/user, params)
 	if(W.attack_verb.len)
 		visible_message("\red <B>\The [src] have been [pick(W.attack_verb)] with \the [W][(user ? " by [user]." : ".")]")
 	else