Updating PR

code/defines/obj/weapon.dm

@@ -579,6 +579,22 @@
 
 ///////////////////////////////////////Stock Parts /////////////////////////////////
 
+/obj/item/weapon/storage/part_replacer
+	name = "Rapid Part Exchange Device"
+	desc = "Special mechanical module made to store, sort, and apply standard machine parts."
+	icon_state = "RPED"
+	item_state = "RPED"
+	w_class = 5
+	can_hold = list(/obj/item/weapon/stock_parts)
+	storage_slots = 14
+	use_to_pickup = 1
+	allow_quick_gather = 1
+	allow_quick_empty = 1
+	collection_mode = 1
+	max_w_class = 3
+	max_combined_w_class = 28
+
+
 /obj/item/weapon/stock_parts
 	name = "stock part"
 	desc = "What?"

code/game/machinery/machinery.dm

@@ -304,3 +304,30 @@ Class Procs:
   state(text, "blue")
   playsound(src.loc, 'sound/machines/ping.ogg', 50, 0)
 
+/obj/machinery/proc/exchange_parts(mob/user, obj/item/weapon/storage/part_replacer/W)
+	if(istype(W) && component_parts)
+		if(panel_open)
+			var/obj/item/weapon/circuitboard/CB = locate(/obj/item/weapon/circuitboard) in component_parts
+			var/P
+			for(var/obj/item/weapon/stock_parts/A in component_parts)
+				for(var/D in CB.req_components)
+					if(ispath(A.type, text2path(D)))
+						P = text2path(D)
+						break
+				for(var/obj/item/weapon/stock_parts/B in W.contents)
+					if(istype(B, P) && istype(A, P))
+						if(B.rating > A.rating)
+							W.remove_from_storage(B, src)
+							W.handle_item_insertion(A, 1)
+							component_parts -= A
+							component_parts += B
+							B.loc = null
+							user << "<span class='notice'>[A.name] replaced with [B.name].</span>"
+							break
+			RefreshParts()
+		else
+			user << "<span class='notice'>Following parts detected in the machine:</span>"
+			for(var/var/obj/item/C in component_parts)
+				user << "<span class='notice'>    [C.name]</span>"
+		return 1
+	return 0

code/modules/research/designs.dm

@@ -953,6 +953,16 @@ datum/design/tech_disk
 /////////////Stock Parts////////////////
 ////////////////////////////////////////
 
+datum/design/RPED
+	name = "Rapid Part Exchange Device"
+	desc = "Special mechanical module made to store, sort, and apply standard machine parts."
+	id = "rped"
+	req_tech = list("engineering" = 3,
+					"materials" = 3)
+	build_type = PROTOLATHE
+	materials = list("$metal" = 15000, "$glass" = 5000) //hardcore
+	build_path = /obj/item/weapon/storage/part_replacer
+
 datum/design/basic_capacitor
 	name = "Basic Capacitor"
 	desc = "A stock part used in the construction of various devices."