Moves material stacks to modules/materials

code/modules/materials/fifty_spawner.dm

@@ -0,0 +1,20 @@
+//50-stacks as their own type was too buggy, we're doing it a different way
+/obj/fiftyspawner //this doesn't need to do anything but make the stack and die so it's light
+	name = "50-stack spawner"
+	desc = "This item spawns stack of 50 of a given material."
+	icon = 'icons/misc/mark.dmi'
+	icon_state = "x4"
+	var/obj/item/stack/type_to_spawn = null
+
+/obj/fiftyspawner/Initialize()
+	..()
+	var/turf/T = get_turf(src)
+	var/obj/structure/closet/C = locate() in T
+	var/obj/item/stack/M = new type_to_spawn(C || T)
+	M.amount = M.max_amount //some stuff spawns with 60, we're still calling it fifty
+	M.update_icon() // Some stacks have different sprites depending on how full they are.
+	return INITIALIZE_HINT_QDEL //Bye!
+
+/obj/fiftyspawner/rods
+	name = "stack of rods" //this needs to be defined for cargo
+	type_to_spawn = /obj/item/stack/rods