Merge branch 'master' of https://github.com/Citadel-Station-13/Citadel-Station-13 into auxtools-atmos

code/modules/mob/dead/new_player/sprite_accessories/hair_head.dm

@@ -13,6 +13,10 @@
 	name = "Bald"
 	icon_state = "bald"
 
+/datum/sprite_accessory/hair/adhara
+	name = "Adhara"
+	icon_state = "hair_adhara"
+
 /datum/sprite_accessory/hair/afro
 	name = "Afro"
 	icon_state = "hair_afro"
@@ -29,6 +33,14 @@
 	name = "Ahoge"
 	icon_state = "hair_antenna"
 
+/datum/sprite_accessory/hair/amazon
+	name = "Amazon"
+	icon_state = "hair_amazon"
+
+/datum/sprite_accessory/hair/anita
+	name = "Anita"
+	icon_state = "hair_anita"
+
 /datum/sprite_accessory/hair/balding
 	name = "Balding Hair"
 	icon_state = "hair_e"
@@ -61,6 +73,18 @@
 	name = "Beehive 2"
 	icon_state = "hair_beehive2"
 
+/datum/sprite_accessory/hair/belenko
+	name = "Beleneko"
+	icon_state = "hair_belenko"
+
+/datum/sprite_accessory/hair/belenkotied
+	name = "Belenko (Tied)"
+	icon_state = "hair_belenkotied"
+
+/datum/sprite_accessory/hair/belle
+	name = "Belle"
+	icon_state = "hair_belle"
+
 /datum/sprite_accessory/hair/bob
 	name = "Bob Hair"
 	icon_state = "hair_bob"
@@ -309,6 +333,10 @@
 	name = "Flow Hair"
 	icon_state = "hair_f"
 
+/datum/sprite_accessory/hair/fluffy
+	name = "Fluffy"
+	icon_state = "hair_fluffy"
+
 /datum/sprite_accessory/hair/fringetail
 	name = "Fringe Tail"
 	icon_state = "hair_fringetail"
@@ -365,6 +393,10 @@
 	name = "Hitop"
 	icon_state = "hair_hitop"
 
+/datum/sprite_accessory/hair/inkling
+	name = "Inkling"
+	icon_state = "hair_inkling"
+
 /datum/sprite_accessory/hair/jade
 	name = "Jade"
 	icon_state = "hair_jade"
@@ -373,6 +405,10 @@
 	name = "Jensen"
 	icon_state = "hair_jensen"
 
+/datum/sprite_accessory/hair/jessica
+	name = "Jessica"
+	icon_state = "hair_jessica"
+
 /datum/sprite_accessory/hair/joestar
 	name = "Joestar"
 	icon_state = "hair_joestar"
@@ -389,6 +425,10 @@
 	name = "Kusanagi"
 	icon_state = "hair_kusanagi"
 
+/datum/sprite_accessory/hair/kleeia
+	name = "Kleeia"
+	icon_state = "hair_kleeia"
+
 /datum/sprite_accessory/hair/long
 	name = "Long Hair 1"
 	icon_state = "hair_long"
@@ -445,6 +485,10 @@
 	name = "Mohawk"
 	icon_state = "hair_d"
 
+/datum/sprite_accessory/hair/newyou
+	name = "New You"
+	icon_state = "hair_newyou"
+
 /datum/sprite_accessory/hair/reversemohawk
 	name = "Mohawk (Reverse)"
 	icon_state = "hair_reversemohawk"
@@ -575,6 +619,10 @@
 	name = "Ponytail (Side) 4"
 	icon_state = "hair_sidetail4"
 
+/datum/sprite_accessory/hair/sharptail
+	name = "Ponytail (Sharp)"
+	icon_state = "hair_sharptail"
+
 /datum/sprite_accessory/hair/spikytail
 	name = "Ponytail (Spiky)"
 	icon_state = "hair_spikyponytail"
@@ -679,6 +727,26 @@
 	name = "Skinhead"
 	icon_state = "hair_skinhead"
 
+/datum/sprite_accessory/hair/simple
+	name = "Simple"
+	icon_state = "hair_simple"
+
+/datum/sprite_accessory/hair/skrellvshort
+	name = "Skrell Replicant (Very Short)"
+	icon_state = "hair_skrellvshort"
+
+/datum/sprite_accessory/hair/skrellshort
+	name = "Skrell Replicant (Short)"
+	icon_state = "hair_skrellshort"
+
+/datum/sprite_accessory/hair/skrell
+	name = "Skrell Replicant (Average)"
+	icon_state = "hair_skrell"
+
+/datum/sprite_accessory/hair/skrelllong
+	name = "Skrell Replicant (Long)"
+	icon_state = "hair_skrelllong"
+
 /datum/sprite_accessory/hair/sleaze
 	name = "Sleaze"
 	icon_state = "hair_sleaze"
@@ -699,6 +767,10 @@
 	name = "Spiky 3"
 	icon_state = "hair_spiky2"
 
+/datum/sprite_accessory/hair/supernova
+	name = "Supernova"
+	icon_state = "hair_supernova"
+
 /datum/sprite_accessory/hair/swept
 	name = "Swept Back Hair"
 	icon_state = "hair_swept"
@@ -743,6 +815,10 @@
 	name = "Trimmed (Flat)"
 	icon_state = "hair_trimflat"
 
+/datum/sprite_accessory/hair/twincurls
+	name = "Twincurls"
+	icon_state = "hair_twincurls"
+
 /datum/sprite_accessory/hair/twintails
 	name = "Twintails"
 	icon_state = "hair_twintail"
@@ -787,6 +863,10 @@
 	name = "Very Short Over Eye (Alt)"
 	icon_state = "hair_veryshortovereyealternate"
 
+/datum/sprite_accessory/hair/vivi
+	name = "Vivi"
+	icon_state = "hair_vivi"
+
 /datum/sprite_accessory/hair/volaju
 	name = "Volaju"
 	icon_state = "hair_volaju"

code/modules/mob/dead/new_player/sprite_accessories/socks.dm

@@ -88,6 +88,10 @@
 	name = "Pantyhose"
 	icon_state = "pantyhose"
 
+/datum/sprite_accessory/underwear/socks/pantyhose_ripped
+	name = "Pantyhose - Ripped"
+	icon_state = "pantyhose_ripped"
+
 /datum/sprite_accessory/underwear/socks/socks_short
 	name = "Short"
 	icon_state = "socks_short"

code/modules/mob/dead/new_player/sprite_accessories/undershirt.dm

@@ -343,6 +343,20 @@
 	icon_state = "fishnet_body"
 	gender = FEMALE
 
+/datum/sprite_accessory/underwear/top/shibari
+	name = "Shibari Ropes"
+	icon_state = "shibari"
+	gender = FEMALE
+	has_color = TRUE
+	covers_chest = FALSE
+
+/datum/sprite_accessory/underwear/top/shibari_sleeved
+	name = "Shibari Ropes - sleeves"
+	icon_state = "shibari_sleeves"
+	gender = FEMALE
+	has_color = TRUE
+	covers_chest = FALSE
+
 /datum/sprite_accessory/underwear/top/swimsuit
 	name = "Swimsuit Top"
 	icon_state = "bra_swimming"

code/modules/mob/death.dm

@@ -1,6 +1,6 @@
 //This is the proc for gibbing a mob. Cannot gib ghosts.
 //added different sort of gibs and animations. N
-/mob/proc/gib()
+/mob/proc/gib(no_brain, no_organs, no_bodyparts, datum/explosion/was_explosion)
 	return
 
 //This is the proc for turning a mob into ash. Mostly a copy of gib code (above).

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

@@ -4,7 +4,6 @@
 	gender = FEMALE //All xenos are girls!!
 	dna = null
 	faction = list(ROLE_ALIEN)
-	ventcrawler = VENTCRAWLER_ALWAYS
 	sight = SEE_MOBS
 	see_in_dark = 4
 	verb_say = "hisses"
@@ -19,7 +18,6 @@
 	/// How much brute damage they do to simple animals
 	var/meleeSlashSAPower = 35
 
-	var/obj/item/card/id/wear_id = null // Fix for station bounced radios -- Skie
 	var/has_fine_manipulation = 0
 	var/move_delay_add = 0 // movement delay to add
 
@@ -40,6 +38,8 @@
 
 	create_internal_organs()
 
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 	. = ..()
 
 /mob/living/carbon/alien/create_internal_organs()

code/modules/mob/living/carbon/alien/humanoid/queen.dm

@@ -2,7 +2,6 @@
 	//Common stuffs for Praetorian and Queen
 	icon = 'icons/mob/alienqueen.dmi'
 	status_flags = 0
-	ventcrawler = VENTCRAWLER_NONE //pull over that ass too fat
 	unique_name = 0
 	pixel_x = -16
 	bubble_icon = "alienroyal"

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

@@ -1229,3 +1229,25 @@
   */
 /mob/living/carbon/proc/get_biological_state()
 	return BIO_FLESH_BONE
+
+/mob/living/carbon/altattackby(obj/item/W, mob/living/carbon/user, params)
+	if(user.incapacitated() || !user.Adjacent(src))
+		return FALSE
+	if(W && user.a_intent == INTENT_HELP && W.can_give())
+		user.give()
+		return TRUE
+
+/mob/living/carbon/verb/give_verb()
+	set src in oview(1)
+	set category = "IC"
+	set name = "Give"
+
+	if(usr.incapacitated() || !usr.Adjacent(src))
+		return
+
+	if(!usr.get_active_held_item()) // Let me know if this has any problems -Yota
+		return
+	var/obj/item/I = usr.get_active_held_item()
+	var/mob/living/carbon/C = usr
+	if(I.can_give())
+		C.give()

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

@@ -17,7 +17,7 @@
 	if(SSticker.mode)
 		SSticker.mode.check_win() //Calls the rounds wincheck, mainly for wizard, malf, and changeling now
 
-/mob/living/carbon/gib(no_brain, no_organs, no_bodyparts)
+/mob/living/carbon/gib(no_brain, no_organs, no_bodyparts, datum/explosion/was_explosion)
 	var/atom/Tsec = drop_location()
 	for(var/mob/M in src)
 		if(M in stomach_contents)
@@ -27,7 +27,7 @@
 			"<span class='danger'>You burst out of [src]!</span>")
 	..()
 
-/mob/living/carbon/spill_organs(no_brain, no_organs, no_bodyparts)
+/mob/living/carbon/spill_organs(no_brain, no_organs, no_bodyparts, datum/explosion/was_explosion)
 	var/atom/Tsec = drop_location()
 	if(!no_bodyparts)
 		if(no_organs)//so the organs don't get transfered inside the bodyparts we'll drop.
@@ -41,6 +41,8 @@
 					qdel(O) //so the brain isn't transfered to the head when the head drops.
 					continue
 				if(!(O.organ_flags & ORGAN_NO_DISMEMBERMENT) && check_zone(O.zone) == BODY_ZONE_CHEST)
+					if(was_explosion)
+						LAZYADD(O.acted_explosions, was_explosion.explosion_id)
 					O.Remove()
 					O.forceMove(Tsec)
 					O.throw_at(get_edge_target_turf(src,pick(GLOB.alldirs)),rand(1,3),5)
@@ -50,13 +52,16 @@
 			if(I.organ_flags & ORGAN_NO_DISMEMBERMENT || (no_brain && istype(I, /obj/item/organ/brain)) || (no_organs && !istype(I, /obj/item/organ/brain)))
 				qdel(I)
 				continue
+			if(was_explosion)
+				LAZYADD(I.acted_explosions, was_explosion.explosion_id)
 			I.Remove()
 			I.forceMove(Tsec)
 			I.throw_at(get_edge_target_turf(src,pick(GLOB.alldirs)),rand(1,3),5)
 
-
-/mob/living/carbon/spread_bodyparts()
+/mob/living/carbon/spread_bodyparts(no_brain, no_organs, datum/explosion/was_explosion)
 	for(var/X in bodyparts)
 		var/obj/item/bodypart/BP = X
+		if(was_explosion)
+			LAZYADD(BP.acted_explosions, was_explosion.explosion_id)
 		BP.drop_limb()
 		BP.throw_at(get_edge_target_turf(src,pick(GLOB.alldirs)),rand(1,3),5)

code/modules/mob/living/carbon/human/species.dm

@@ -1796,12 +1796,10 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 			"<span class='warning'>[M] attempted to touch you!</span>", target = M, \
 			target_message = "<span class='warning'>You attempted to touch [H]!</span>")
 		return TRUE
+	if(M == H)
+		althelp(M, H, attacker_style)
+		return TRUE
 	switch(M.a_intent)
-		if(INTENT_HELP)
-			if(M == H)
-				althelp(M, H, attacker_style)
-				return TRUE
-			return FALSE
 		if(INTENT_DISARM)
 			altdisarm(M, H, attacker_style)
 			return TRUE
@@ -1987,6 +1985,8 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 			H.show_message("<span class='notice'>The radiation beam dissipates harmlessly through your body.</span>")
 		if(/obj/item/projectile/energy/florayield)
 			H.show_message("<span class='notice'>The radiation beam dissipates harmlessly through your body.</span>")
+		if(/obj/item/projectile/energy/florarevolution)
+			H.show_message("<span class='notice'>The radiation beam dissipates harmlessly through your body.</span>")
 
 /datum/species/proc/bullet_act(obj/item/projectile/P, mob/living/carbon/human/H)
 	// called before a projectile hit

code/modules/mob/living/carbon/human/species_types/golems.dm

@@ -801,11 +801,11 @@
 
 /datum/species/golem/plastic/on_species_gain(mob/living/carbon/C, datum/species/old_species)
 	. = ..()
-	C.ventcrawler = VENTCRAWLER_NUDE
+	C.AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /datum/species/golem/plastic/on_species_loss(mob/living/carbon/C)
 	. = ..()
-	C.ventcrawler = initial(C.ventcrawler)
+	C.RemoveElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /datum/species/golem/bronze
 	name = "Bronze Golem"

code/modules/mob/living/carbon/human/species_types/podpeople.dm

@@ -64,6 +64,11 @@
 				H.show_message("<span class='userdanger'>The radiation beam singes you!</span>")
 		if(/obj/item/projectile/energy/florayield)
 			H.adjust_nutrition(30, NUTRITION_LEVEL_FULL)
+		if(/obj/item/projectile/energy/florarevolution)
+			H.show_message("<span class='notice'>The radiation beam leaves you feeling disoriented!</span>")
+			H.Dizzy(15)
+			H.emote("flip")
+			H.emote("spin")
 
 /datum/species/pod/pseudo_weak
 	name = "Anthromorphic Plant"

code/modules/mob/living/carbon/human/species_types/vampire.dm

@@ -169,7 +169,7 @@
 	if(istype(H, /mob/living/simple_animal))
 		var/mob/living/simple_animal/SA = H
 		if((human_caster.blood_volume <= (BLOOD_VOLUME_BAD*human_caster.blood_ratio)) || (ventcrawl_nude_only && length(human_caster.get_equipped_items(include_pockets = TRUE))))
-			SA.ventcrawler = FALSE
+			SA.RemoveElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 	if(transfer_name)
 		H.name = human_caster.name
 

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

@@ -159,3 +159,57 @@
 /mob/living/carbon/proc/get_holding_bodypart_of_item(obj/item/I)
 	var/index = get_held_index_of_item(I)
 	return index && hand_bodyparts[index]
+
+/**
+  * Proc called when giving an item to another player
+  *
+  * This handles creating an alert and adding an overlay to it
+  */
+/mob/living/carbon/proc/give(target)
+	var/obj/item/receiving = get_active_held_item()
+	if(!receiving)
+		to_chat(src, "<span class='warning'>You're not holding anything to give!</span>")
+		return
+	visible_message("<span class='notice'>[src] is offering [receiving]</span>", \
+					"<span class='notice'>You offer [receiving]</span>", null, 2)
+	var/mob/living/carbon/targets = list()
+	if(!target)
+		for(var/mob/living/carbon/C in orange(1, src))
+			if(!CanReach(C))
+				return
+			targets += C
+	else
+		targets += target
+	if(!targets)
+		return
+	for(var/mob/living/carbon/C in targets)
+		var/obj/screen/alert/give/G = C.throw_alert("[src]", /obj/screen/alert/give)
+		if(!G)
+			return
+		G.setup(C, src, receiving)
+
+/**
+  * Proc called when the player clicks the give alert
+  *
+  * Handles checking if the player taking the item has open slots and is in range of the giver
+  * Also deals with the actual transferring of the item to the players hands
+  * Arguments:
+  * * giver - The person giving the original item
+  * * I - The item being given by the giver
+  */
+/mob/living/carbon/proc/take(mob/living/carbon/giver, obj/item/I)
+	clear_alert("[giver]")
+	if(get_dist(src, giver) > 1)
+		to_chat(src, "<span class='warning'>[giver] is out of range! </span>")
+		return
+	if(!I || giver.get_active_held_item() != I)
+		to_chat(src, "<span class='warning'>[giver] is no longer holding the item they were offering! </span>")
+		return
+	if(!get_empty_held_indexes())
+		to_chat(src, "<span class='warning'>You have no empty hands!</span>")
+		return
+	if(!giver.temporarilyRemoveItemFromInventory(I))
+		visible_message("<span class='notice'>[src] tries to hand over [I] but it's stuck to them....", \
+						"<span class'notice'> You make a fool of yourself trying to give away an item stuck to your hands")
+		return
+	put_in_hands(I)

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

@@ -6,7 +6,6 @@
 	icon_state = ""
 	gender = NEUTER
 	pass_flags = PASSTABLE
-	ventcrawler = VENTCRAWLER_NUDE
 	mob_biotypes = MOB_ORGANIC|MOB_HUMANOID
 	butcher_results = list(/obj/item/reagent_containers/food/snacks/meat/slab/monkey = 5, /obj/item/stack/sheet/animalhide/monkey = 1)
 	type_of_meat = /obj/item/reagent_containers/food/snacks/meat/slab/monkey
@@ -29,6 +28,8 @@
 	create_bodyparts()
 	create_internal_organs()
 
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_NUDE)
+
 	. = ..()
 
 	if (cubespawned)

code/modules/mob/living/death.dm

@@ -1,4 +1,4 @@
-/mob/living/gib(no_brain, no_organs, no_bodyparts)
+/mob/living/gib(no_brain, no_organs, no_bodyparts, datum/explosion/was_explosion)
 	var/prev_lying = lying
 	if(stat != DEAD)
 		death(1)
@@ -6,22 +6,22 @@
 	if(!prev_lying)
 		gib_animation()
 
-	spill_organs(no_brain, no_organs, no_bodyparts)
+	spill_organs(no_brain, no_organs, no_bodyparts, was_explosion)
 
 	if(!no_bodyparts)
-		spread_bodyparts(no_brain, no_organs)
+		spread_bodyparts(no_brain, no_organs, was_explosion)
 
 	for(var/X in implants)
 		var/obj/item/implant/I = X
 		qdel(I)
 
-	spawn_gibs(no_bodyparts)
+	spawn_gibs(no_bodyparts, null, was_explosion)
 	qdel(src)
 
 /mob/living/proc/gib_animation()
 	return
 
-/mob/living/proc/spawn_gibs(with_bodyparts, atom/loc_override)
+/mob/living/proc/spawn_gibs(with_bodyparts, atom/loc_override, datum/explosion/was_explosion)
 	var/location = loc_override ? loc_override.drop_location() : drop_location()
 	if(mob_biotypes & MOB_ROBOTIC)
 		new /obj/effect/gibspawner/robot(location, src, get_static_viruses())
@@ -31,7 +31,7 @@
 /mob/living/proc/spill_organs()
 	return
 
-/mob/living/proc/spread_bodyparts()
+/mob/living/proc/spread_bodyparts(no_brain, no_organs, datum/explosion/was_explosion)
 	return
 
 /mob/living/dust(just_ash, drop_items, force)

code/modules/mob/living/living_defines.dm

@@ -81,7 +81,6 @@
 
 	var/bloodcrawl = 0 //0 No blood crawling, BLOODCRAWL for bloodcrawling, BLOODCRAWL_EAT for crawling+mob devour
 	var/holder = null //The holder for blood crawling
-	var/ventcrawler = 0 //0 No vent crawling, 1 vent crawling in the nude, 2 vent crawling always
 	var/limb_destroyer = 0 //1 Sets AI behavior that allows mobs to target and dismember limbs with their basic attack.
 
 	var/mob_size = MOB_SIZE_HUMAN

code/modules/mob/living/login.dm

@@ -17,10 +17,6 @@
 	if (isturf(T))
 		update_z(T.z)
 
-	//Vents
-	if(ventcrawler)
-		to_chat(src, "<span class='notice'>You can ventcrawl! Use alt+click on vents to quickly travel about the station.</span>")
-
 	if(ranged_ability)
 		ranged_ability.add_ranged_ability(src, "<span class='notice'>You currently have <b>[ranged_ability]</b> active!</span>")
 	if((vore_flags & VORE_INIT) && !(vore_flags & VOREPREF_INIT)) //Vore's been initialized, voreprefs haven't. If this triggers then that means that voreprefs failed to load due to the client being missing.

code/modules/mob/living/silicon/ai/ai.dm

@@ -1039,3 +1039,6 @@
 	if(current && eyeobj)
 		return eyeobj.emote(act, m_type, message, intentional, forced = TRUE)
 	return ..()
+
+/mob/living/silicon/ai/zMove(dir, feedback = FALSE)
+	. = eyeobj.zMove(dir, feedback)

code/modules/mob/living/silicon/ai/freelook/eye.dm

@@ -94,6 +94,25 @@
 		if(ai.master_multicam)
 			ai.master_multicam.refresh_view()
 
+//it uses setLoc not forceMove, talks to the sillycone and not the camera mob
+/mob/camera/aiEye/zMove(dir, feedback = FALSE)
+	if(dir != UP && dir != DOWN)
+		return FALSE
+	var/turf/target = get_step_multiz(src, dir)
+	if(!target)
+		if(feedback)
+			to_chat(ai, "<span class='warning'>There's nowhere to go in that direction!</span>")
+		return FALSE
+	if(!canZMove(dir, target))
+		if(feedback)
+			to_chat(ai, "<span class='warning'>You couldn't move there!</span>")
+		return FALSE
+	setLoc(target, TRUE)
+	return TRUE
+
+/mob/camera/aiEye/canZMove(direction, turf/target) //cameras do not respect these FLOORS you speak so much of
+	return TRUE
+
 /mob/camera/aiEye/Move()
 	return 0
 

code/modules/mob/living/simple_animal/bot/floorbot.dm

@@ -335,6 +335,11 @@
 
 /mob/living/simple_animal/bot/floorbot/proc/repair(turf/target_turf)
 
+	if(check_bot_working(target_turf))
+		add_to_ignore(target_turf)
+		target = null
+		playsound(src, 'sound/effects/whistlereset.ogg', 50, TRUE)
+		return
 	if(isspaceturf(target_turf))
 		 //Must be a hull breach or in line mode to continue.
 		if(!is_hull_breach(target_turf) && !targetdirection)
@@ -418,3 +423,14 @@
 		repair(A)
 	else
 		..()
+
+/**
+  * Checks a given turf to see if another floorbot is there, working as well.
+  */
+/mob/living/simple_animal/bot/floorbot/proc/check_bot_working(turf/active_turf)
+	if(isturf(active_turf))
+		for(var/mob/living/simple_animal/bot/floorbot/robot in active_turf)
+			if(robot.mode == BOT_REPAIRING)
+				return TRUE
+	return FALSE
+	

code/modules/mob/living/simple_animal/friendly/bumbles.dm

@@ -20,7 +20,6 @@
 	density = FALSE
 	movement_type = FLYING
 	pass_flags = PASSTABLE | PASSGRILLE | PASSMOB
-	ventcrawler = VENTCRAWLER_ALWAYS
 	mob_size = MOB_SIZE_TINY
 	mob_biotypes = MOB_ORGANIC|MOB_BEAST
 	gold_core_spawnable = FRIENDLY_SPAWN
@@ -35,6 +34,7 @@
 /mob/living/simple_animal/pet/bumbles/Initialize()
 	. = ..()
 	add_verb(src, /mob/living/proc/lay_down)
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /mob/living/simple_animal/pet/bumbles/ComponentInitialize()
 	. = ..()

code/modules/mob/living/simple_animal/friendly/butterfly.dm

@@ -20,7 +20,6 @@
 	density = FALSE
 	movement_type = FLYING
 	pass_flags = PASSTABLE | PASSGRILLE | PASSMOB
-	ventcrawler = VENTCRAWLER_ALWAYS
 	mob_size = MOB_SIZE_TINY
 	mob_biotypes = MOB_ORGANIC|MOB_BUG
 	gold_core_spawnable = FRIENDLY_SPAWN
@@ -33,6 +32,7 @@
 	. = ..()
 	var/newcolor = rgb(rand(0, 255), rand(0, 255), rand(0, 255))
 	add_atom_colour(newcolor, FIXED_COLOUR_PRIORITY)
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /mob/living/simple_animal/butterfly/bee_friendly()
 	return TRUE //treaty signed at the Beeneeva convention

code/modules/mob/living/simple_animal/friendly/cat.dm

@@ -14,7 +14,6 @@
 	speak_chance = 1
 	turns_per_move = 5
 	see_in_dark = 6
-	ventcrawler = VENTCRAWLER_ALWAYS
 	pass_flags = PASSTABLE
 	mob_size = MOB_SIZE_SMALL
 	mob_biotypes = MOB_ORGANIC|MOB_BEAST
@@ -40,6 +39,7 @@
 /mob/living/simple_animal/pet/cat/Initialize()
 	. = ..()
 	add_verb(src, /mob/living/proc/lay_down)
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /mob/living/simple_animal/pet/cat/ComponentInitialize()
 	. = ..()

code/modules/mob/living/simple_animal/friendly/cockroach.dm

@@ -22,7 +22,6 @@
 	response_harm_simple = "splat"
 	speak_emote = list("chitters")
 	density = FALSE
-	ventcrawler = VENTCRAWLER_ALWAYS
 	mob_size = MOB_SIZE_TINY
 	gold_core_spawnable = FRIENDLY_SPAWN
 	verb_say = "chitters"
@@ -32,6 +31,10 @@
 	var/squish_chance = 50
 	del_on_death = 1
 
+/mob/living/simple_animal/cockroach/Initialize()
+	. = ..()
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/cockroach/death(gibbed)
 	if(SSticker.mode && SSticker.mode.station_was_nuked) //If the nuke is going off, then cockroaches are invincible. Keeps the nuke from killing them, cause cockroaches are immune to nukes.
 		return

code/modules/mob/living/simple_animal/friendly/crab.dm

@@ -21,12 +21,15 @@
 	stop_automated_movement = 1
 	friendly_verb_continuous = "pinches"
 	friendly_verb_simple = "pinch"
-	ventcrawler = VENTCRAWLER_ALWAYS
 	mob_size = MOB_SIZE_TINY
 	var/obj/item/inventory_head
 	var/obj/item/inventory_mask
 	gold_core_spawnable = FRIENDLY_SPAWN
 
+/mob/living/simple_animal/crab/Initialize()
+	. = ..()
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/crab/BiologicalLife(seconds, times_fired)
 	if(!(. = ..()))
 		return

code/modules/mob/living/simple_animal/friendly/drone/_drone.dm

@@ -28,7 +28,6 @@
 	unsuitable_atmos_damage = 0
 	wander = 0
 	speed = 0
-	ventcrawler = VENTCRAWLER_ALWAYS
 	healable = 0
 	density = FALSE
 	pass_flags = PASSTABLE | PASSMOB
@@ -101,6 +100,8 @@
 	for(var/datum/atom_hud/data/diagnostic/diag_hud in GLOB.huds)
 		diag_hud.add_to_hud(src)
 
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/drone/ComponentInitialize()
 	. = ..()
 	if(can_be_held)

code/modules/mob/living/simple_animal/friendly/drone/extra_drone_types.dm

@@ -114,7 +114,6 @@
 	harm_intent_damage = 5
 	density = TRUE
 	speed = 1
-	ventcrawler = VENTCRAWLER_NONE
 	faction = list("neutral", "ratvar")
 	speak_emote = list("clanks", "clinks", "clunks", "clangs")
 	verb_ask = "requests"

code/modules/mob/living/simple_animal/friendly/drone/interaction.dm

@@ -110,7 +110,7 @@
 		to_chat(src, "<i>Your onboard antivirus has initiated lockdown. Motor servos are impaired, ventilation access is denied, and your display reports that you are hacked to all nearby.</i>")
 		hacked = TRUE
 		mind.special_role = "hacked drone"
-		ventcrawler = VENTCRAWLER_NONE //Again, balance
+		RemoveElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS) // balance
 		speed = 1 //gotta go slow
 		message_admins("[src] ([src.key]) became a hacked drone hellbent on [clockwork ? "serving Ratvar" : "destroying the station"]!")
 	else
@@ -125,7 +125,7 @@
 		to_chat(src, "<i>Having been restored, your onboard antivirus reports the all-clear and you are able to perform all actions again.</i>")
 		hacked = FALSE
 		mind.special_role = null
-		ventcrawler = initial(ventcrawler)
+		AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 		speed = initial(speed)
 		if(is_servant_of_ratvar(src))
 			remove_servant_of_ratvar(src, TRUE)

code/modules/mob/living/simple_animal/friendly/farm_animals.dm

@@ -241,7 +241,6 @@
 	attack_verb_simple = "kick"
 	health = 3
 	maxHealth = 3
-	ventcrawler = VENTCRAWLER_ALWAYS
 	var/amount_grown = 0
 	pass_flags = PASSTABLE | PASSGRILLE | PASSMOB
 	mob_size = MOB_SIZE_TINY
@@ -253,6 +252,7 @@
 	. = ..()
 	pixel_x = rand(-6, 6)
 	pixel_y = rand(0, 10)
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /mob/living/simple_animal/chick/BiologicalLife(seconds, times_fired)
 	if(!(. = ..()))
@@ -296,7 +296,6 @@
 	attack_verb_simple = "kick"
 	health = 15
 	maxHealth = 15
-	ventcrawler = VENTCRAWLER_ALWAYS
 	var/eggsleft = 0
 	var/eggsFertile = TRUE
 	var/body_color
@@ -322,6 +321,8 @@
 	pixel_y = rand(0, 10)
 	++chicken_count
 
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/chicken/Destroy()
 	--chicken_count
 	return ..()
@@ -392,7 +393,6 @@
 	attack_verb_simple = "kick"
 	health = 25
 	maxHealth = 25
-	ventcrawler = VENTCRAWLER_ALWAYS
 	var/eggsleft = 0
 	var/eggsFertile = TRUE
 	pass_flags = PASSTABLE | PASSMOB
@@ -412,6 +412,8 @@
 	. = ..()
 	++kiwi_count
 
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/kiwi/BiologicalLife(seconds, times_fired)
 	if(!(. = ..()))
 		return
@@ -473,7 +475,6 @@
 	attack_verb_simple = "kick"
 	health = 10
 	maxHealth = 10
-	ventcrawler = VENTCRAWLER_ALWAYS
 	var/amount_grown = 0
 	pass_flags = PASSTABLE | PASSGRILLE | PASSMOB
 	mob_size = MOB_SIZE_TINY
@@ -486,6 +487,8 @@
 	pixel_x = rand(-6, 6)
 	pixel_y = rand(0, 10)
 
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/babyKiwi/BiologicalLife(seconds, times_fired)
 	if(!(. = ..()))
 		return

code/modules/mob/living/simple_animal/friendly/lizard.dm

@@ -18,7 +18,6 @@
 	response_disarm_simple = "shoo"
 	response_harm_continuous = "stomps on"
 	response_harm_simple = "stomp on"
-	ventcrawler = VENTCRAWLER_ALWAYS
 	density = FALSE
 	pass_flags = PASSTABLE | PASSMOB
 	mob_size = MOB_SIZE_SMALL
@@ -31,6 +30,7 @@
 /mob/living/simple_animal/hostile/lizard/ComponentInitialize()
 	. = ..()
 	AddElement(/datum/element/mob_holder, worn_state = "lizard", inv_slots = ITEM_SLOT_HEAD) //you can hold lizards now.
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /mob/living/simple_animal/hostile/lizard/CanAttack(atom/the_target)//Can we actually attack a possible target?
 	if(see_invisible < the_target.invisibility)//Target's invisible to us, forget it

code/modules/mob/living/simple_animal/friendly/mouse.dm

@@ -22,7 +22,6 @@
 	response_harm_continuous = "splats"
 	response_harm_simple = "splat"
 	density = FALSE
-	ventcrawler = VENTCRAWLER_ALWAYS
 	pass_flags = PASSTABLE | PASSGRILLE | PASSMOB
 	mob_size = MOB_SIZE_TINY
 	mob_biotypes = MOB_ORGANIC|MOB_BEAST
@@ -40,6 +39,7 @@
 	icon_state = "mouse_[body_color]"
 	icon_living = "mouse_[body_color]"
 	icon_dead = "mouse_[body_color]_dead"
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /mob/living/simple_animal/mouse/proc/splat()
 	src.health = 0

code/modules/mob/living/simple_animal/friendly/possum.dm

@@ -22,12 +22,15 @@
 	response_harm_continuous = "stamps on"
 	response_harm_simple = "stamp"
 	density = FALSE
-	ventcrawler = VENTCRAWLER_ALWAYS
 	pass_flags = PASSTABLE | PASSMOB
 	mob_size = MOB_SIZE_TINY
 	mob_biotypes = MOB_ORGANIC|MOB_BEAST
 	gold_core_spawnable = FRIENDLY_SPAWN
 
+/mob/living/simple_animal/opossum/Initialize()
+	. = ..()
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/opossum/poppy
 	name = "Poppy the Safety Possum"
 	desc = "Safety first!"

code/modules/mob/living/simple_animal/friendly/snake.dm

@@ -30,7 +30,6 @@
 	response_harm_continuous = "steps on"
 	response_harm_simple = "step on"
 	faction = list("hostile")
-	ventcrawler = VENTCRAWLER_ALWAYS
 	density = FALSE
 	pass_flags = PASSTABLE | PASSMOB
 	mob_size = MOB_SIZE_SMALL
@@ -39,6 +38,9 @@
 	obj_damage = 0
 	environment_smash = ENVIRONMENT_SMASH_NONE
 
+/mob/living/simple_animal/hostile/retaliate/poison/snake/Initialize()
+	. = ..()
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /mob/living/simple_animal/hostile/retaliate/poison/snake/ListTargets(atom/the_target)
 	. = oview(vision_range, targets_from) //get list of things in vision range

code/modules/mob/living/simple_animal/hostile/banana_spider.dm

@@ -22,7 +22,6 @@
 	speak_emote = list("chitters")
 	mouse_opacity = 2
 	density = TRUE
-	ventcrawler = VENTCRAWLER_ALWAYS
 	verb_say = "chitters"
 	verb_ask = "chitters inquisitively"
 	verb_exclaim = "chitters loudly"
@@ -37,6 +36,8 @@
 	if(A)
 		notify_ghosts("A banana spider has been created in \the [A.name].", source = src, action=NOTIFY_ATTACK, flashwindow = FALSE, ignore_dnr_observers = TRUE)
 
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/banana_spider/attack_ghost(mob/user)
 	if(key)			//please stop using src. without a good reason.
 		return

code/modules/mob/living/simple_animal/hostile/bread.dm

@@ -26,7 +26,6 @@
 	speak_emote = list("growls")
 	mouse_opacity = 2
 	density = TRUE
-	ventcrawler = VENTCRAWLER_ALWAYS
 	verb_say = "growls"
 	verb_ask = "growls inquisitively"
 	verb_exclaim = "growls loudly"
@@ -38,6 +37,7 @@
 	var/area/A = get_area(src)
 	if(A)
 		notify_ghosts("A tumor bread has been created in \the [A.name].", source = src, action=NOTIFY_ATTACK, flashwindow = FALSE, ignore_dnr_observers = TRUE)
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /mob/living/simple_animal/hostile/bread/attack_ghost(mob/user)
 	if(key)			//please stop using src. without a good reason.

code/modules/mob/living/simple_animal/hostile/giant_spider.dm

@@ -44,7 +44,6 @@
 	var/busy = SPIDER_IDLE
 	pass_flags = PASSTABLE
 	move_to_delay = 6
-	ventcrawler = VENTCRAWLER_ALWAYS
 	attack_verb_continuous = "bites"
 	attack_verb_simple = "bite"
 	attack_sound = 'sound/weapons/bite.ogg'
@@ -63,6 +62,8 @@
 	lay_web = new
 	lay_web.Grant(src)
 
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/hostile/poison/giant_spider/Destroy()
 	QDEL_NULL(lay_web)
 	return ..()

code/modules/mob/living/simple_animal/hostile/headcrab.dm

@@ -20,11 +20,14 @@
 	obj_damage = 0
 	environment_smash = ENVIRONMENT_SMASH_NONE
 	speak_emote = list("squeaks")
-	ventcrawler = VENTCRAWLER_ALWAYS
 	var/datum/mind/origin
 	var/egg_lain = 0
 	gold_core_spawnable = NO_SPAWN //are you sure about this?? // CITADEL CHANGE, Yes.
 
+/mob/living/simple_animal/hostile/headcrab/Initialize()
+	. = ..()
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/hostile/headcrab/proc/Infect(mob/living/carbon/victim)
 	var/obj/item/organ/body_egg/changeling_egg/egg = new(victim)
 	egg.Insert(victim)

code/modules/mob/living/simple_animal/hostile/killertomato.dm

@@ -22,10 +22,13 @@
 	attack_verb_continuous = "slams"
 	attack_verb_simple = "slam"
 	attack_sound = 'sound/weapons/punch1.ogg'
-	ventcrawler = VENTCRAWLER_ALWAYS
 	faction = list("plants")
 
 	atmos_requirements = list("min_oxy" = 5, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 0, "min_co2" = 0, "max_co2" = 0, "min_n2" = 0, "max_n2" = 0)
 	minbodytemp = 150
 	maxbodytemp = 500
 	gold_core_spawnable = HOSTILE_SPAWN
+
+/mob/living/simple_animal/hostile/killertomato/Initialize()
+	. = ..()
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)

code/modules/mob/living/simple_animal/hostile/megafauna/colossus.dm

@@ -620,7 +620,6 @@ Difficulty: Very Hard
 	density = FALSE
 	movement_type = FLYING
 	pass_flags = PASSTABLE | PASSGRILLE | PASSMOB
-	ventcrawler = VENTCRAWLER_ALWAYS
 	mob_size = MOB_SIZE_TINY
 	gold_core_spawnable = HOSTILE_SPAWN
 	verb_say = "warps"
@@ -648,6 +647,7 @@ Difficulty: Very Hard
 	remove_verb(src, /mob/verb/me_verb)
 	var/datum/atom_hud/medsensor = GLOB.huds[DATA_HUD_MEDICAL_ADVANCED]
 	medsensor.add_hud_to(src)
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /mob/living/simple_animal/hostile/lightgeist/AttackingTarget()
 	. = ..()

code/modules/mob/living/simple_animal/hostile/mining_mobs/gutlunch.dm

@@ -27,7 +27,6 @@
 	friendly_verb_continuous = "pinches"
 	friendly_verb_simple = "pinch"
 	a_intent = INTENT_HELP
-	ventcrawler = VENTCRAWLER_ALWAYS
 	gold_core_spawnable = FRIENDLY_SPAWN
 	stat_attack = UNCONSCIOUS
 	gender = NEUTER
@@ -50,6 +49,7 @@
 /mob/living/simple_animal/hostile/asteroid/gutlunch/Initialize()
 	udder = new()
 	. = ..()
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /mob/living/simple_animal/hostile/asteroid/gutlunch/CanAttack(atom/the_target) // Gutlunch-specific version of CanAttack to handle stupid stat_exclusive = true crap so we don't have to do it for literally every single simple_animal/hostile except the two that spawn in lavaland
 	if(isturf(the_target) || !the_target || the_target.type == /atom/movable/lighting_object) // bail out on invalids

code/modules/mob/living/simple_animal/hostile/mining_mobs/hivelord.dm

@@ -398,7 +398,6 @@
 			uniform = /obj/item/clothing/under/color/grey
 			belt = /obj/item/tank/internals/emergency_oxygen
 			mask = /obj/item/clothing/mask/gas
-			ears = /obj/item/radio/headset
 			gloves = /obj/item/clothing/gloves/color/fyellow
 			id = /obj/item/card/id/silver/reaper //looks cool and has a fancy name but only a 1% chance
 			if(prob(99))
@@ -412,7 +411,7 @@
 				back = /obj/item/spear
 			else if(prob(80)) //Now they dont always have a backpack
 				back = /obj/item/storage/backpack
-				backpack_contents = list(/obj/item/stack/cable_coil = 1, /obj/item/assembly/flash = 1, /obj/item/storage/fancy/donut_box = 1, /obj/item/storage/fancy/cigarettes/cigpack_shadyjims = 1, /obj/item/lighter = 1)
+				backpack_contents = list(/obj/item/stack/cable_coil = 1, /obj/item/storage/fancy/donut_box = 1, /obj/item/storage/fancy/cigarettes/cigpack_shadyjims = 1, /obj/item/lighter = 1)
 			if(prob(90))
 				r_pocket = /obj/item/kitchen/knife
 			if(prob(60))
@@ -423,7 +422,6 @@
 			suit = /obj/item/clothing/suit/hooded/bee_costume
 			shoes = /obj/item/clothing/shoes/sneakers/yellow
 			gloves = /obj/item/clothing/gloves/color/yellow
-			ears = /obj/item/radio/headset
 			belt = /obj/item/storage/belt/fannypack/yellow
 			id_job = "Assisant"
 			id = /obj/item/card/id

code/modules/mob/living/simple_animal/hostile/mushroom.dm

@@ -28,7 +28,6 @@
 	stat_attack = DEAD
 	mouse_opacity = MOUSE_OPACITY_ICON
 	speed = 1
-	ventcrawler = VENTCRAWLER_ALWAYS
 	robust_searching = 1
 	unique_name = 1
 	speak_emote = list("squeaks")
@@ -41,6 +40,10 @@
 	var/static/mutable_appearance/cap_living //Where we store our cap icons so we dont generate them constantly to update our icon
 	var/static/mutable_appearance/cap_dead
 
+/mob/living/simple_animal/hostile/mushroom/Initialize()
+	. = ..()
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/hostile/mushroom/examine(mob/user)
 	. = ..()
 	if(health >= maxHealth)

code/modules/mob/living/simple_animal/hostile/regalrat.dm

@@ -23,7 +23,6 @@
 	attack_verb_continuous = "slashes"
 	attack_verb_simple = "slash"
 	attack_sound = 'sound/weapons/punch1.ogg'
-	ventcrawler = VENTCRAWLER_ALWAYS
 	unique_name = TRUE
 	faction = list("rat")
 	var/datum/action/cooldown/coffer
@@ -42,6 +41,8 @@
 		key = C.key
 		notify_ghosts("All rise for the rat king, ascendant to the throne in \the [get_area(src)].", source = src, action = NOTIFY_ORBIT, flashwindow = FALSE)
 
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/hostile/regalrat/handle_automated_action()
 	if(prob(20))
 		riot.Trigger()
@@ -175,7 +176,6 @@
 	health = 15
 	butcher_results = list(/obj/item/reagent_containers/food/snacks/meat/slab = 1)
 	density = FALSE
-	ventcrawler = VENTCRAWLER_ALWAYS
 	pass_flags = PASSTABLE | PASSGRILLE | PASSMOB
 	mob_size = MOB_SIZE_TINY
 	mob_biotypes = MOB_ORGANIC|MOB_BEAST
@@ -185,6 +185,7 @@
 	. = ..()
 	SSmobs.cheeserats += src
 	AddComponent(/datum/component/swarming)
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /mob/living/simple_animal/hostile/rat/Destroy()
 	SSmobs.cheeserats -= src

code/modules/mob/living/simple_animal/hostile/retaliate/bat.dm

@@ -30,7 +30,6 @@
 	attack_sound = 'sound/weapons/bite.ogg'
 	obj_damage = 0
 	environment_smash = ENVIRONMENT_SMASH_NONE
-	ventcrawler = VENTCRAWLER_ALWAYS
 	mob_size = MOB_SIZE_TINY
 	movement_type = FLYING
 	speak_emote = list("squeaks")
@@ -38,11 +37,14 @@
 	var/min_oxy = 0
 	var/max_tox = 0
 
-
 	//Space bats need no air to fly in.
 	atmos_requirements = list("min_oxy" = 0, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 0, "min_co2" = 0, "max_co2" = 0, "min_n2" = 0, "max_n2" = 0)
 	minbodytemp = 0
 
+/mob/living/simple_animal/hostile/retaliate/bat/Initialize()
+	. = ..()
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/hostile/retaliate/bat/secbat
 	name = "Security Bat"
 	icon_state = "secbat"

code/modules/mob/living/simple_animal/hostile/retaliate/clown.dm

@@ -137,7 +137,6 @@
 	emote_see = list("honks", "sweats", "jiggles", "contemplates its existence")
 	speak_chance = 5
 	dextrous = TRUE
-	ventcrawler = VENTCRAWLER_ALWAYS
 	maxHealth = 140
 	health = 140
 	speed = -5
@@ -147,6 +146,10 @@
 	obj_damage = 5
 	loot = list(/obj/item/clothing/suit/hooded/bloated_human, /obj/item/clothing/mask/gas/clown_hat, /obj/effect/gibspawner/human, /obj/item/soap)
 
+/mob/living/simple_animal/hostile/retaliate/clown/fleshclown/Initialize()
+	. = ..()
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/hostile/retaliate/clown/longface
 	name = "Longface"
 	desc = "Often found walking into the bar."

code/modules/mob/living/simple_animal/hostile/retaliate/frog.dm

@@ -22,7 +22,6 @@
 	response_harm_continuous = "splats"
 	response_harm_simple = "splat"
 	density = FALSE
-	ventcrawler = VENTCRAWLER_ALWAYS
 	faction = list("hostile")
 	attack_sound = 'sound/effects/reee.ogg'
 	butcher_results = list(/obj/item/reagent_containers/food/snacks/nugget = 1)
@@ -40,6 +39,7 @@
 		icon_living = "rare_frog"
 		icon_dead = "rare_frog_dead"
 		butcher_results = list(/obj/item/reagent_containers/food/snacks/nugget = 5)
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
 
 /mob/living/simple_animal/hostile/retaliate/frog/Crossed(AM as mob|obj)
 	. = ..()

code/modules/mob/living/simple_animal/slime/slime.dm

@@ -4,7 +4,6 @@
 	icon_state = "grey baby slime"
 	pass_flags = PASSTABLE
 	mob_size = MOB_SIZE_SMALL
-	ventcrawler = VENTCRAWLER_ALWAYS
 	gender = NEUTER
 	var/is_adult = 0
 	var/docile = 0
@@ -108,6 +107,8 @@
 	AddComponent(/datum/component/footstep, FOOTSTEP_MOB_SLIME, 7.5)
 	set_nutrition(rand(650, 800))
 
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+
 /mob/living/simple_animal/slime/Destroy()
 	for (var/A in actions)
 		var/datum/action/AC = A

code/modules/mob/living/ventcrawling.dm

@@ -5,7 +5,7 @@ GLOBAL_LIST_INIT(ventcrawl_machinery, typecacheof(list(
 
 //VENTCRAWLING
 
-/mob/living/proc/handle_ventcrawl(atom/A)
+/mob/living/proc/handle_ventcrawl(atom/A, ventcrawler)
 	if(!ventcrawler || !Adjacent(A))
 		return
 	. = TRUE //return value to stop the client from being shown the turf contents stat tab on alt-click.
@@ -59,7 +59,7 @@ GLOBAL_LIST_INIT(ventcrawl_machinery, typecacheof(list(
 			if(!client)
 				return
 
-			if(iscarbon(src) && ventcrawler == VENTCRAWLER_NUDE)
+			if(iscarbon(src) && ventcrawler==VENTCRAWLER_NUDE)
 				if(length(get_equipped_items(include_pockets = TRUE)) || get_num_held_items())
 					to_chat(src, "<span class='warning'>You can't crawl around in the ventilation ducts with items!</span>")
 					return

code/modules/mob/transform_procs.dm

@@ -175,6 +175,7 @@
 	icon = null
 	cut_overlays()
 	invisibility = INVISIBILITY_MAXIMUM
+
 	new /obj/effect/temp_visual/monkeyify/humanify(loc)
 
 	transformation_timer = addtimer(CALLBACK(src, .proc/finish_humanize, tr_flags), TRANSFORMATION_DURATION, TIMER_UNIQUE)
@@ -202,6 +203,8 @@
 
 	var/mob/living/carbon/human/O = new( loc )
 	for(var/obj/item/C in O.loc)
+		if(C.anchored)
+			continue
 		O.equip_to_appropriate_slot(C)
 
 	dna.transfer_identity(O)