makes people with the claustrophobia quirk fear santa claus (#63981)

People with the claustrophobia quirk will now be afraid of Santa Claus and certain Claus-like entities

code/datums/quirks/negative.dm

@@ -853,7 +853,7 @@
 
 /datum/quirk/claustrophobia
 	name = "Claustrophobia"
-	desc = "You are terrified of small spaces. If you are placed inside any container, locker, or machinery, a panic attack sets in and you struggle to breath."
+	desc = "You are terrified of small spaces and certain jolly figures. If you are placed inside any container, locker, or machinery, a panic attack sets in and you struggle to breath."
 	icon = "box-open"
 	value = -4
 	medical_record_text = "Patient demonstrates a fear of tight spaces."
@@ -867,11 +867,37 @@
 	if(quirk_holder.stat != CONSCIOUS || quirk_holder.IsSleeping() || quirk_holder.IsUnconscious())
 		return
 
-	if(isturf(quirk_holder.loc))
+	var/nick_spotted = FALSE
+
+	for(var/mob/living/carbon/human/possible_claus in view(5, quirk_holder))
+		if(evaluate_jolly_levels(possible_claus))
+			nick_spotted = TRUE
+			break
+
+	if(!nick_spotted && isturf(quirk_holder.loc))
 		SEND_SIGNAL(quirk_holder, COMSIG_CLEAR_MOOD_EVENT, "claustrophobia", /datum/mood_event/claustrophobia)
-		return 
-	
+		return
+
 	SEND_SIGNAL(quirk_holder, COMSIG_ADD_MOOD_EVENT, "claustrophobia")
 	quirk_holder.losebreath += 0.25 // miss a breath one in four times
 	if(DT_PROB(25, delta_time))
-		to_chat(quirk_holder, span_warning("You feel trapped!  Must escape... can't breath..."))
+		if(nick_spotted)
+			to_chat(quirk_holder, span_warning("Santa Claus is here! I gotta get out of here!"))
+		else
+			to_chat(quirk_holder, span_warning("You feel trapped!  Must escape... can't breath..."))
+
+///investigates whether possible_saint_nick possesses a high level of christmas cheer
+/datum/quirk/claustrophobia/proc/evaluate_jolly_levels(mob/living/carbon/human/possible_saint_nick)
+	if(!istype(possible_saint_nick))
+		return FALSE
+
+	if(istype(possible_saint_nick.back, /obj/item/storage/backpack/santabag))
+		return TRUE
+
+	if(istype(possible_saint_nick.head, /obj/item/clothing/head/santa))
+		return TRUE
+
+	if(istype(possible_saint_nick.wear_suit, /obj/item/clothing/suit/space/santa))
+		return TRUE
+
+	return FALSE

code/modules/mob/living/carbon/carbon_defines.dm

@@ -3,7 +3,7 @@
 	gender = MALE
 	pressure_resistance = 15
 	hud_possible = list(HEALTH_HUD,STATUS_HUD,ANTAG_HUD,GLAND_HUD)
-	has_limbs = 1
+	has_limbs = TRUE
 	held_items = list(null, null)
 	num_legs = 0 //Populated on init through list/bodyparts
 	usable_legs = 0 //Populated on init through list/bodyparts

code/modules/mob/living/living_defines.dm

@@ -84,7 +84,7 @@
 	var/mob_size = MOB_SIZE_HUMAN
 	var/mob_biotypes = MOB_ORGANIC
 	var/metabolism_efficiency = 1 ///more or less efficiency to metabolize helpful/harmful reagents and regulate body temperature..
-	var/has_limbs = 0 ///does the mob have distinct limbs?(arms,legs, chest,head)
+	var/has_limbs = FALSE ///does the mob have distinct limbs?(arms,legs, chest,head)
 
 	///How many legs does this mob have by default. This shouldn't change at runtime.
 	var/default_num_legs = 2