[MIRROR] EMP & Wires refactor (#12658)

Co-authored-by: Guti <32563288+TheCaramelion@users.noreply.github.com>
Co-authored-by: Cameron Lennox <killer65311@gmail.com>

code/modules/research/tg/machinery/circuit_imprinter.dm

@@ -8,7 +8,7 @@
 
 /obj/machinery/rnd/production/circuit_imprinter/Initialize(mapload)
 	. = ..()
-	wires = new /datum/wires/circuit_imprinter(src)
+	set_wires(new /datum/wires/circuit_imprinter(src))
 
 /obj/machinery/rnd/production/circuit_imprinter/compute_efficiency()
 	var/rating = 0

code/modules/research/tg/machinery/protolathe.dm

@@ -8,4 +8,4 @@
 
 /obj/machinery/rnd/production/protolathe/Initialize(mapload)
 	. = ..()
-	wires = new /datum/wires/protolathe(src)
+	set_wires(new /datum/wires/protolathe(src))

code/modules/research/tg/rdmachines.dm

@@ -15,8 +15,6 @@
 	var/datum/techweb/stored_research
 	///The item loaded inside the machine, used by experimentors and destructive analyzers only.
 	var/datum/weakref/loaded_item
-	/// Wires for hacking, not every rnd machine has this set
-	var/datum/wires/protolathe/wires = null
 
 /obj/machinery/rnd/Initialize(mapload)
 	. = ..()
@@ -24,6 +22,7 @@
 		CONNECT_TO_RND_SERVER_ROUNDSTART(stored_research, src)
 	if(stored_research)
 		on_connected_techweb()
+	set_wires(new /datum/wires/rnd(src))
 
 /obj/machinery/rnd/Destroy()
 	if(stored_research)

code/modules/research/tg/server.dm

@@ -53,6 +53,8 @@
 
 /obj/machinery/rnd/server/emp_act(severity, recursive)
 	. = ..()
+	if (. & EMP_PROTECT_SELF)
+		return
 	stat |= EMPED
 	addtimer(CALLBACK(src, PROC_REF(fix_emp)), 60 SECONDS)
 	refresh_working()