Merge pull request #4684 from Menshin/SMES_terminal_2

SMES constructible terminals (reopen)

code/modules/power/smes.dm

@@ -68,10 +68,12 @@
 	capacity = C / (15000) * 1e6
 
 /obj/machinery/power/smes/attackby(obj/item/I, mob/user)
+	//opening using screwdriver
 	if(default_deconstruction_screwdriver(user, "[initial(icon_state)]-o", initial(icon_state), I))
 		update_icon()
 		return
 
+	//changing direction using wrench
 	if(default_change_direction_wrench(user, I))
 		terminal = null
 		var/turf/T = get_step(src, dir)
@@ -81,12 +83,6 @@
 				terminal.master = src
 				user << "<span class='notice'>Terminal found.</span>"
 				break
-		if(!terminal)
-			for(var/obj/structure/cable/C in T)
-				if(C.d1 == turn(dir, 180) || C.d2 == turn(dir, 180))
-					terminal = C
-					user << "<span class='notice'>Cable found.</span>"
-					break
 		if(!terminal)
 			user << "<span class='alert'>No power source found.</span>"
 			return
@@ -94,9 +90,83 @@
 		update_icon()
 		return
 
+	//exchanging parts using the RPE
 	if(exchange_parts(user, I))
 		return
 
+	//building and linking a terminal
+	if(istype(I, /obj/item/stack/cable_coil))
+		var/dir = get_dir(user,src)
+		if(dir & (dir-1))//we don't want diagonal click
+			return
+
+		if(terminal) //is there already a terminal ?
+			user << "<span class='alert'>This SMES already have a power terminal!</span>"
+			return
+
+		if(!panel_open) //is the panel open ?
+			user << "<span class='alert'>You must open the maintenance panel first!</span>"
+			return
+
+		var/turf/T = get_turf(user)
+		if (T.intact) //is the floor plating removed ?
+			user << "<span class='alert'>You must first remove the floor plating!</span>"
+			return
+
+
+		var/obj/item/stack/cable_coil/C = I
+		if(C.amount < 10)
+			user << "<span class='alert'>You need more wires.</span>"
+			return
+
+		user << "You start building the power terminal..."
+		playsound(src.loc, 'sound/items/Deconstruct.ogg', 50, 1)
+
+		if(do_after(user, 20) && C.amount >= 10)
+			var/obj/structure/cable/N = T.get_cable_node() //get the connecting node cable, if there's one
+			if (prob(50) && electrocute_mob(usr, N, N)) //animate the electrocution if uncautious and unlucky
+				var/datum/effect/effect/system/spark_spread/s = new /datum/effect/effect/system/spark_spread
+				s.set_up(5, 1, src)
+				s.start()
+				return
+
+			C.use(10)
+			user.visible_message(\
+				"<span class='alert'>[user.name] has build a power terminal!</span>",\
+				"You build the power terminal.")
+
+			//build the terminal and link it to the network
+			make_terminal(T)
+			terminal.connect_to_network()
+		return
+
+	//disassembling the terminal
+	if(istype(I, /obj/item/weapon/wirecutters) && terminal && panel_open)
+		var/turf/T = get_turf(terminal)
+		if (T.intact) //is the floor plating removed ?
+			user << "<span class='alert'>You must first expose the power terminal!</span>"
+			return
+
+		user << "You begin to dismantle the power terminal..."
+		playsound(src.loc, 'sound/items/Deconstruct.ogg', 50, 1)
+
+		if(do_after(user, 50))
+			if (prob(50) && electrocute_mob(usr, terminal.powernet, terminal)) //animate the electrocution if uncautious and unlucky
+				var/datum/effect/effect/system/spark_spread/s = new /datum/effect/effect/system/spark_spread
+				s.set_up(5, 1, src)
+				s.start()
+				return
+
+			//give the wires back and delete the terminal
+			new /obj/item/stack/cable_coil(T,10)
+			user.visible_message(\
+				"<span class='alert'>[user.name] cuts the cables and dismantles the power terminal.</span>",\
+				"You cut the cables and dismantle the power terminal.")
+			inputting = 0 //stop inputting, since we have don't have a terminal anymore
+			qdel(terminal)
+			return
+
+	//crowbarring it !
 	default_deconstruction_crowbar(I)
 
 /obj/machinery/power/smes/Destroy()
@@ -109,6 +179,13 @@
 		disconnect_terminal()
 	..()
 
+// create a terminal object pointing towards the SMES
+// wires will attach to this
+/obj/machinery/power/smes/proc/make_terminal(var/turf/T)
+	terminal = new/obj/machinery/power/terminal(T)
+	terminal.dir = get_dir(T,src)
+	terminal.master = src
+
 /obj/machinery/power/smes/disconnect_terminal()
 	if(terminal)
 		terminal.master = null