boxes into seed extractor

code/game/machinery/seed_extractor.dm

@@ -8,6 +8,43 @@
 
 /obj/structure/machinery/seed_extractor/attackby(obj/item/O as obj, mob/user as mob)
 
+	// Plant bag and other storage containers.
+	if(istype(O,/obj/item/storage))
+		var/obj/item/storage/container = O
+		if(container.contents.len > 0)
+			to_chat(user, SPAN_NOTICE("You start dumping the contents of [container] into [src]."))
+			if(!do_after(user, 1.5 SECONDS, INTERRUPT_ALL, BUSY_ICON_GENERIC))
+				return
+			for(var/obj/item/item in container)
+				if(!istype(item, /obj/item/reagent_container/food/snacks/grown) && !istype(item, /obj/item/grown))
+					to_chat(user, SPAN_WARNING("Cannot get seeds from [item]."))
+					break
+				else
+					if(user.temp_drop_inv_item(item))
+						var/datum/seed/new_seed_type
+						if(istype(item, /obj/item/grown))
+							var/obj/item/grown/F = item
+							new_seed_type = GLOB.seed_types[F.plantname]
+						else
+							var/obj/item/reagent_container/food/snacks/grown/F = item
+							new_seed_type = GLOB.seed_types[F.plantname]
+
+						if(new_seed_type)
+							to_chat(user, SPAN_NOTICE("You extract some seeds from [item]."))
+							var/produce = rand(1,4)
+							for(var/i = 0;i<=produce;i++)
+								var/obj/item/seeds/seeds = new (get_turf(src))
+								seeds.seed_type = new_seed_type.name
+								seeds.update_seed()
+						else
+							to_chat(user, "[item] doesn't seem to have any usable seeds inside it.")
+						qdel(item)
+
+			playsound(user.loc, "rustle", 15, 1, 6)
+		else
+			to_chat(user, SPAN_NOTICE("[container] is empty."))
+
+
 	// Fruits and vegetables.
 	if(istype(O, /obj/item/reagent_container/food/snacks/grown) || istype(O, /obj/item/grown))
 		if(user.temp_drop_inv_item(O))