Revenant Gameplay Enhancement (#11049)

code/game/objects/items/weapons/neutralizer.dm

@@ -0,0 +1,55 @@
+/obj/item/bluespace_neutralizer
+	name = "bluespace neutralizer"
+	desc = "A strange device, supposedly capable of pre-emptively shutting down bluespace portals."
+	desc_info = "Click on it, or use it in-hand to activate it. Click on any portal-like structure to instantly close it. Stand near a bluespace rift while it's active to start the closing process."
+	icon = 'icons/obj/contained_items/tools/neutralizer.dmi'
+	icon_state = "neutralizer"
+	contained_sprite = TRUE
+
+	var/tethered = FALSE // it needs to tether with the portal before it can start zapping
+	var/last_zap = 0
+	var/active = FALSE
+
+/obj/item/bluespace_neutralizer/update_icon()
+	icon_state = "neutralizer[active ? "-a" : ""]"
+
+/obj/item/bluespace_neutralizer/attack_self(mob/user)
+	if(!active && !revenants.revenant_rift)
+		to_chat(user, SPAN_WARNING("\The [src] doesn't detect any large bluespace rifts in the region."))
+		return
+	toggle(user)
+
+/obj/item/bluespace_neutralizer/proc/toggle(var/mob/user)
+	active = !active
+	if(active)
+		START_PROCESSING(SSprocessing, src)
+	else
+		STOP_PROCESSING(SSprocessing, src)
+	if(user)
+		to_chat(user, SPAN_NOTICE("You turn \the [src] [active ? "on" : "off"]."))
+	update_icon()
+
+/obj/item/bluespace_neutralizer/process()
+	if(active && !revenants.revenant_rift)
+		toggle()
+		return
+	var/turf/our_turf = get_turf(src)
+	if(!(our_turf.z == revenants.revenant_rift.z && get_dist(src, revenants.revenant_rift) < 5 && isInSight(src, revenants.revenant_rift)))
+		tethered = FALSE
+		return
+	if(!tethered)
+		visible_message(SPAN_DANGER("\The [src] tethers with \the [revenants.revenant_rift]!"))
+		last_zap = world.time
+		tethered = TRUE
+		Beam(revenants.revenant_rift, icon_state="n_beam", icon = 'icons/effects/beam.dmi', time=2, maxdistance=5, beam_datum_type=/datum/beam/held)
+		playsound(get_turf(src), 'sound/magic/Charge.ogg', 70, TRUE, extrarange = 30)
+		return
+	revenants.revenant_rift.reduce_health(world.time - last_zap)
+	last_zap = world.time
+	Beam(revenants.revenant_rift, icon_state="lightning[rand(1,12)]", icon = 'icons/effects/effects.dmi', time=2, maxdistance=5, beam_datum_type=/datum/beam/held)
+	playsound(get_turf(src), 'sound/magic/LightningShock.ogg', 50, TRUE, extrarange = 30)
+
+/obj/item/bluespace_neutralizer/Destroy()
+	if(active)
+		STOP_PROCESSING(SSprocessing, src)
+	return ..()