Boo affects APCs again

Also reworks the boo code

code/modules/mob/dead/observer/spells.dm

@@ -1,6 +1,4 @@
-
-
-var/global/list/boo_phrases=list(
+GLOBAL_LIST_INIT(boo_phrases, list(
 	"You feel a chill run down your spine.",
 	"You think you see a figure in your peripheral vision.",
 	"What was that?",
@@ -9,13 +7,13 @@ var/global/list/boo_phrases=list(
 	"Something doesn't feel right...",
 	"You feel a presence in the room.",
 	"It feels like someone's standing behind you.",
-)
+))
 
 /obj/effect/proc_holder/spell/aoe_turf/boo
 	name = "Boo!"
 	desc = "Fuck with the living."
 
-	ghost = 1
+	ghost = TRUE
 
 	school = "transmutation"
 	charge_max = 600
@@ -27,26 +25,4 @@ var/global/list/boo_phrases=list(
 
 /obj/effect/proc_holder/spell/aoe_turf/boo/cast(list/targets, mob/user = usr)
 	for(var/turf/T in targets)
-		for(var/atom/A in T.contents)
-
-			// Bug humans
-			if(ishuman(A))
-				var/mob/living/carbon/human/H = A
-				if(H && H.client)
-					to_chat(H, "<i>[pick(boo_phrases)]</i>")
-
-			// Flicker unblessed lights in range
-			if(istype(A,/obj/machinery/light))
-				var/obj/machinery/light/L = A
-				if(L)
-					L.flicker()
-
-			// OH GOD BLUE APC (single animation cycle)
-			if(istype(A, /obj/machinery/power/apc))
-				A:spookify()
-
-			if(istype(A, /obj/machinery/status_display))
-				A:spookymode=1
-
-			if(istype(A, /obj/machinery/ai_status_display))
-				A:spookymode=1
+		T.get_spooked()