Fixes Telepad Double Attack (#12557)

code/modules/telesci/telepad.dm

@@ -61,37 +61,45 @@
 	desc = "A telepad used by the Rapid Crate Sender."
 	icon = 'icons/obj/telescience.dmi'
 	icon_state = "pad-idle"
-	anchored = 1
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 20
 	active_power_usage = 500
 	var/stage = 0
-/obj/machinery/telepad_cargo/attackby(obj/item/W as obj, mob/user as mob, params)
-	if(istype(W, /obj/item/wrench))
-		playsound(src, W.usesound, 50, 1)
+
+/obj/machinery/telepad_cargo/attackby(obj/item/I, mob/user, params)
+	if(iswrench(I))
+		playsound(src, I.usesound, 50, 1)
 		if(anchored)
-			anchored = 0
+			anchored = FALSE
 			to_chat(user, "<span class = 'caution'> The [src] can now be moved.</span>")
 		else if(!anchored)
-			anchored = 1
+			anchored = TRUE
 			to_chat(user, "<span class = 'caution'> The [src] is now secured.</span>")
-	if(istype(W, /obj/item/screwdriver))
+		return
+	if(isscrewdriver(I))
 		if(stage == 0)
-			playsound(src, W.usesound, 50, 1)
+			playsound(src, I.usesound, 50, 1)
 			to_chat(user, "<span class = 'caution'> You unscrew the telepad's tracking beacon.</span>")
 			stage = 1
 		else if(stage == 1)
-			playsound(src, W.usesound, 50, 1)
+			playsound(src, I.usesound, 50, 1)
 			to_chat(user, "<span class = 'caution'> You screw in the telepad's tracking beacon.</span>")
 			stage = 0
-	if(istype(W, /obj/item/weldingtool) && stage == 1)
-		playsound(src, W.usesound, 50, 1)
+		return
+	if(iswelder(I) && stage == 1)
+		playsound(src, I.usesound, 50, 1)
 		to_chat(user, "<span class = 'caution'> You disassemble the telepad.</span>")
-		new /obj/item/stack/sheet/metal(get_turf(src))
-		new /obj/item/stack/sheet/glass(get_turf(src))
-		qdel(src)
-	else
-		return ..()
+		deconstruct(TRUE)
+		return
+	return ..()
+
+/obj/machinery/atmospherics/deconstruct(disassembled = TRUE)
+	if(!(flags & NODECONSTRUCT))
+		new /obj/item/stack/sheet/metal(loc)
+		new /obj/item/stack/sheet/glass(loc)
+	qdel(src)
+
 
 ///TELEPAD CALLER///
 /obj/item/telepad_beacon