buildmode mapgen tool save

code/modules/mining/machine_silo.dm

@@ -243,3 +243,17 @@ GLOBAL_LIST_EMPTY(silo_access_logs)
 		sep = ", "
 		msg += "[amount < 0 ? "-" : "+"][val] [M.name]"
 	formatted = msg.Join()
+
+/obj/machinery/ore_silo/on_object_saved(var/depth = 0)
+	if(depth >= 10)
+		return ""
+	var/dat
+	var/datum/component/material_container/material_holder = GetComponent(/datum/component/material_container)
+	for(var/each in material_holder.materials)
+		var/amount = material_holder.materials[each] / MINERAL_MATERIAL_AMOUNT
+		var/datum/material/material_datum = each
+		while(amount > 0)
+			var/amount_in_stack = max(1, min(50, amount))
+			amount -= amount_in_stack
+			dat += "[dat ? ",\n" : ""][material_datum.sheet_type]{\n\tamount = [amount_in_stack]\n\t}"
+	return dat