Fatten mode and vore fatness, Modular jumpsuit options

Ported Fatten vore mode
Ported vore fatness hide function which makes you appear fatter based on how fat the people you've vored are
Readded grey jumpsuits as an option in loadouts
Readded grey jumpsuits to ClothesMate
The helplessness prefs for clothes now ignore modular clothes as did the original modular grey jumpsuit

GainStation13/code/modules/client/loadout/uniform.dm

@@ -0,0 +1,3 @@
+/datum/gear/uniform/modularjumpsuit
+	name = "Grey jumpsuit (Modular)"
+	path = /obj/item/clothing/under/color/grey

GainStation13/code/modules/mob/living/species.dm

@@ -142,7 +142,7 @@
 				ADD_TRAIT(fatty, TRAIT_NO_JUMPSUIT, HELPLESSNESS_TRAIT)
 
 				var/obj/item/clothing/under/jumpsuit = fatty.w_uniform
-				if(istype(jumpsuit))
+				if(istype(jumpsuit) && jumpsuit.modular_icon_location == null)
 					to_chat(fatty, "<span class='warning'>[jumpsuit] can no longer contain your weight!</span>")
 					fatty.dropItemToGround(jumpsuit)
 

GainStation13/code/modules/vore/fatten_vore.dm

@@ -0,0 +1,53 @@
+
+/obj/belly/release_all_contents(var/include_absorbed = FALSE, var/silent = FALSE)
+	if(iscarbon(owner))
+		var/mob/living/carbon/predator = owner
+		predator.hider_remove(src)
+	. = ..()
+
+/obj/belly/release_specific_contents(var/atom/movable/M, var/silent = FALSE)
+	if(iscarbon(owner))
+		var/mob/living/carbon/predator = owner
+		var/found = FALSE
+		for(var/prey in contents)
+			if(istype(prey, /mob/living/carbon))
+				found = TRUE
+		if(found)
+			predator.hider_add(src)
+		else
+			predator.hider_remove(src)
+	. = ..()
+
+/obj/belly/process_belly(var/times_fired,var/wait)
+////////////////////////// Vore Fatness /////////////////////////////
+	if(iscarbon(owner))
+		var/mob/living/carbon/predator = owner
+		var/found = FALSE
+		for(var/prey in contents)
+			if(istype(prey, /mob/living/carbon))
+				found = TRUE
+		if(found)
+			predator.hider_add(src)
+		else
+			predator.hider_remove(src)
+///////////////////////////// DM_FATTEN /////////////////////////////
+	if(digest_mode == DM_FATTEN)
+		if(iscarbon(owner))
+			var/mob/living/carbon/predator = owner
+			for(var/mob/living/M in contents)
+				var/mob/living/carbon/prey = M
+				if(iscarbon(prey) && predator.fatness_real)
+					if(predator.fatness_real > 50)
+						prey.adjust_fatness(predator.fatness_real * 0.02, FATTENING_TYPE_FOOD)
+						predator.adjust_fatness(-predator.fatness_real * 0.02, FATTENING_TYPE_FOOD)
+						if(predator.nutrition > NUTRITION_LEVEL_HUNGRY)
+							predator.nutrition -= 3
+	. = ..()
+
+/obj/belly/proc/fat_hide(var/mob/living/carbon/user)
+	var/preys_fatness = 0
+	for(var/prey in contents)
+		if(iscarbon(prey))
+			var/mob/living/carbon/cprey = prey
+			preys_fatness += cprey.fatness
+	return preys_fatness