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

code/game/objects/items/weapons/implants/implantcase.dm

@@ -21,7 +21,7 @@
 		return
 
 
-	attackby(obj/item/weapon/I as obj, mob/user as mob)
+	attackby(obj/item/weapon/I as obj, mob/user as mob, params)
 		..()
 		if (istype(I, /obj/item/weapon/pen))
 			var/t = input(user, "What would you like the label to be?", text("[]", src.name), null)  as text

code/game/objects/items/weapons/implants/implantchair.dm

@@ -74,7 +74,7 @@
 			return
 
 
-	attackby(var/obj/item/weapon/G as obj, var/mob/user as mob)
+	attackby(var/obj/item/weapon/G as obj, var/mob/user as mob, params)
 		if(istype(G, /obj/item/weapon/grab))
 			if(!ismob(G:affecting))
 				return

code/game/objects/items/weapons/implants/implantpad.dm

@@ -38,7 +38,7 @@
 		return
 
 
-	attackby(obj/item/weapon/implantcase/C as obj, mob/user as mob)
+	attackby(obj/item/weapon/implantcase/C as obj, mob/user as mob, params)
 		..()
 		if(istype(C, /obj/item/weapon/implantcase))
 			if(!( src.case ))