The creepy clown epidemic has arrived at Space Station 13. (#21164)

* Implements a full spooky clown event for halloween.dm

* temp

* made requested fixes

* reeeee

* Clowns actually work now. Minor refactors to hallucination thanks oranges

* CLOWNS FINALLY WORK PROPERLY JESUS FUCK

* Fix incorrect prob method call

code/modules/events/holiday/halloween.dm

@@ -54,6 +54,50 @@
 	if(IsMultiple(activeFor, 4))
 		spawn_meteors(3, meteorsSPOOKY) //meteor list types defined in gamemode/meteor/meteors.dm
 
+//Creepy clown invasion
+/datum/round_event_control/creepy_clowns
+	name = "Clowns"
+	typepath = /datum/round_event/creepy_clowns
+	holidayID = HALLOWEEN
+	weight = 20
+	earliest_start = 0
+
+/datum/round_event/creepy_clowns
+	endWhen = 40
+
+/datum/round_event/creepy_clowns/start()
+	for(var/mob/living/carbon/human/H in living_mob_list)
+		if(!H.client || !istype(H))
+			return
+		H << "<span class='danger'>Honk...</span>"
+		H << 'sound/spookoween/scary_clown_appear.ogg'
+		var/turf/T = get_turf(H)
+		if(T)
+			new /obj/effect/hallucination/simple/clown(T, H, 50)
+
+/datum/round_event/creepy_clowns/tick()
+	if(IsMultiple(activeFor, 4))
+		for(var/mob/living/carbon/human/H in living_mob_list)
+			if (prob(66))
+				playsound(H.loc, pick('sound/spookoween/scary_horn.ogg','sound/spookoween/scary_horn2.ogg', 'sound/spookoween/scary_horn3.ogg'), 100, 1)
+			if (prob(33))
+				var/turf/T = get_turf(H)
+				if(T)
+					new /obj/effect/hallucination/simple/clown(T, H, 25)
+			else if (prob(25))
+				var/turf/T = get_turf(H)
+				if(T)
+					new /obj/effect/hallucination/simple/clown/scary(T, H, 25)
+			else if (prob(5))
+				var/turf/T = get_turf(H)
+				if(T)
+					spawn_atom_to_turf(/obj/effect/mob_spawn/human/corpse/clown, H, 1)
+			else if (prob(1))
+				spawn_atom_to_turf(/mob/living/simple_animal/hostile/retaliate/clown, H, 1)
+
+/datum/round_event/creepy_clowns/announce()
+	priority_announce("Honk... Honk... honk... HONK! HONK! HONKHONKHONKHONKHONK", "HONK!", 'sound/spookoween/scary_horn.ogg')
+
 //spooky foods (you can't actually make these when it's not halloween)
 /obj/item/weapon/reagent_containers/food/snacks/sugarcookie/spookyskull
 	name = "skull cookie"

code/modules/flufftext/Hallucination.dm

@@ -206,6 +206,18 @@ Gunshots/explosions/opening doors/less rare audio (done)
 		target << "<span class='notice'>[xeno_name] scrambles into the ventilation ducts!</span>"
 	qdel(src)
 
+/obj/effect/hallucination/simple/clown
+	image_icon = 'icons/mob/animal.dmi'
+	image_state = "clown"
+
+/obj/effect/hallucination/simple/clown/New(loc,var/mob/living/carbon/T,duration)
+	..(loc, T)
+	name = pick(clown_names)
+	QDEL_IN(src,duration)
+
+/obj/effect/hallucination/simple/clown/scary
+	image_state = "scary_clown"
+
 /obj/effect/hallucination/singularity_scare
 	//Singularity moving towards you.
 	//todo Hide where it moved with fake space images
@@ -303,11 +315,12 @@ Gunshots/explosions/opening doors/less rare audio (done)
 		if(target.client)
 			delusions |= A
 			target.client.images |= A
-	sleep(duration)
+	QDEL_IN(src, duration)
+
+/obj/effect/hallucination/delusion/Destroy()
 	for(var/image/I in delusions)
 		if(target.client)
 			target.client.images.Remove(I)
-	qdel(src)
 
 /obj/effect/hallucination/fakeattacker/New(loc,var/mob/living/carbon/T)
 	target = T