initial commit - cross reference with 5th port - obviously has compile errors

code/game/objects/items/stacks/tiles/light.dm

@@ -0,0 +1,31 @@
+/obj/item/stack/tile/light
+	name = "light tile"
+	singular_name = "light floor tile"
+	desc = "A floor tile, made out of glass. It produces light."
+	icon_state = "tile_e"
+	flags = CONDUCT
+	attack_verb = list("bashed", "battered", "bludgeoned", "thrashed", "smashed")
+	turf_type = /turf/open/floor/light
+	var/state = 0
+
+/obj/item/stack/tile/light/New(var/loc, var/amount=null)
+	..()
+	if(prob(5))
+		state = 3 //broken
+	else if(prob(5))
+		state = 2 //breaking
+	else if(prob(10))
+		state = 1 //flickering occasionally
+	else
+		state = 0 //fine
+
+/obj/item/stack/tile/light/attackby(obj/item/O, mob/user, params)
+	if(istype(O,/obj/item/weapon/crowbar))
+		new/obj/item/stack/sheet/metal(user.loc)
+		amount--
+		new/obj/item/stack/light_w(user.loc)
+		if(amount <= 0)
+			user.unEquip(src, 1)
+			qdel(src)
+	else
+		return ..()