Soulless (a new quirk)

monkestation/code/datums/quirks/negative_quirks.dm

@@ -240,3 +240,30 @@
 */
 /datum/quirk/tunnel_vision/remove()
 	quirk_holder.remove_fov_trait("tunnel vision quirk")
+
+/datum/quirk/soullessdoor
+	name = "Soulless"
+	desc = "How come the door cameras can't see me!"
+	value = -2
+	icon = FA_ICON_GHOST
+	gain_text = span_notice("You have trouble with the doors not opening when you approach.")
+	lose_text = span_notice("You feel like the doors can see you again.. what.")
+
+/datum/quirk/soullessdoor/add()
+	RegisterSignal(quirk_holder, COMSIG_CARBON_BUMPED_AIRLOCK_OPEN, PROC_REF(on_bump))
+
+/datum/quirk/soullessdoor/remove()
+	UnregisterSignal(quirk_holder, COMSIG_CARBON_BUMPED_AIRLOCK_OPEN)
+
+/datum/quirk/soullessdoor/proc/on_bump(mob/living/carbon/user, /obj/machinery/door/airlock/bumped)
+	if(bumped.density && ishuman(user) && prob(95))
+		if(bumped.Adjacent(user))
+			playsound(src, 'sound/effects/bang.ogg', 25, TRUE, mixer_channel = CHANNEL_SOUND_EFFECTS)
+			if(!istype(user.head, /obj/item/clothing/head/helmet))
+				user.visible_message(span_danger("[user] headbutts \the [bumped]."), span_userdanger("You headbutt \the [bumped]!"))
+				user.Paralyze(1)
+				user.apply_damage(10, BRUTE, BODY_ZONE_HEAD)
+				user.adjustOrganLoss(ORGAN_SLOT_BRAIN, 10)
+			else
+				visible_message(span_danger("[user] headbutts \the [bumped]. Good thing [user.p_theyre()] wearing a helmet."))
+	return STOP_BUMP