/datum/asset/spritesheet/alloys name = "alloys" /datum/asset/spritesheet/alloys/create_spritesheets() for(var/datum/design/smelter/alloy_typepath as anything in subtypesof(/datum/design/smelter) + /datum/design/rglass) var/obj/item/stack/stack_type = initial(alloy_typepath.build_path) if(!stack_type) continue Insert(alloy_typepath.id, stack_type.icon, stack_type.icon_state)