/obj/item/organ/external/proc/compile_icon()
	// I do this so the head's overlays don't get obliterated
	for(var/child_i in child_icons)
		overlays -= child_i
	child_icons.Cut()
	// This is a kludge, only one icon has more than one generation of children though.
	for(var/obj/item/organ/external/organ in contents)
		if(organ.children && length(organ.children))
			for(var/obj/item/organ/external/child in organ.children)
				overlays += child.mob_icon
				child_icons += child.mob_icon
		overlays += organ.mob_icon
		child_icons += organ.mob_icon

/obj/item/organ/external/proc/change_organ_icobase(new_icobase, owner_sensitive) //Change the icobase of this organ. If owner_sensitive is set, that means the proc won't mess with frankenstein limbs.
	if(owner_sensitive) //This and the below statements mean that the icobase will only get updated if the limb is the same species as and is owned by the mob it's attached to.
		if(dna.species && owner.dna.species && dna.species.name != owner.dna.species.name)
			return
		if(dna.unique_enzymes != owner.dna.unique_enzymes) // This isn't MY arm
			return

	icobase = new_icobase ? new_icobase : icobase

/obj/item/organ/external/proc/sync_colour_to_human(mob/living/carbon/human/H)
	if(is_robotic() && !istype(dna.species, /datum/species/machine)) //machine people get skin color
		return
	if(dna.species && H.dna.species && dna.species.name != H.dna.species.name)
		return
	if(dna.unique_enzymes != H.dna.unique_enzymes) // This isn't MY arm
		if(!(H.dna.species.bodyflags & HAS_ICON_SKIN_TONE))
			sync_colour_to_dna()
			return
	if(!isnull(H.s_tone) && ((H.dna.species.bodyflags & HAS_SKIN_TONE) || (H.dna.species.bodyflags & HAS_ICON_SKIN_TONE)))
		s_col = null
		s_tone = H.s_tone
	if(H.dna.species.bodyflags & HAS_SKIN_COLOR)
		s_tone = null
		s_col = H.skin_colour
	if(H.dna.species.bodyflags & HAS_ICON_SKIN_TONE)
		var/obj/item/organ/external/chest/C = H.get_organ("chest")
		change_organ_icobase(C.icobase)

/obj/item/organ/external/proc/sync_colour_to_dna()
	if(is_robotic())
		return
	if(!isnull(dna.GetUIValue(DNA_UI_SKIN_TONE)) && ((dna.species.bodyflags & HAS_SKIN_TONE) || (dna.species.bodyflags & HAS_ICON_SKIN_TONE)))
		s_col = null
		s_tone = 35 - dna.GetUIValueRange(DNA_UI_SKIN_TONE, 220)
	if(dna.species.bodyflags & HAS_SKIN_COLOR)
		s_tone = null
		s_col = rgb(dna.GetUIValueRange(DNA_UI_SKIN_R, 255), dna.GetUIValueRange(DNA_UI_SKIN_G, 255), dna.GetUIValueRange(DNA_UI_SKIN_B, 255))

/obj/item/organ/external/head/sync_colour_to_human(mob/living/carbon/human/H)
	..()
	var/obj/item/organ/internal/eyes/eyes = owner.get_int_organ(/obj/item/organ/internal/eyes)//owner.internal_bodyparts_by_name["eyes"]
	if(eyes) eyes.update_colour()

/obj/item/organ/external/proc/get_icon(skeletal)
	// Kasparrov, you monster
	if(force_icon)
		mob_icon = new /icon(force_icon, "[icon_name]")
		if(istype(dna.species, /datum/species/machine)) //snowflake for IPC's, sorry.
			if(s_col)
				mob_icon.Blend(s_col, ICON_ADD)
	else
		var/new_icons = get_icon_state(skeletal)
		var/icon_file = new_icons[1]
		var/new_icon_state = new_icons[2]
		mob_icon = new /icon(icon_file, new_icon_state)
		if(!skeletal && !is_robotic())
			if(status & ORGAN_DEAD)
				mob_icon.ColorTone(COLORTONE_DEAD_EXT_ORGAN)
				mob_icon.SetIntensity(0.7)

			else if(!isnull(s_tone)) // we use an else here because it fucks with shit. It would be nice to fix this someday so that colors affect dead limbs
				if(s_tone >= 0)
					mob_icon.Blend(rgb(s_tone, s_tone, s_tone), ICON_ADD)
				else
					mob_icon.Blend(rgb(-s_tone,  -s_tone,  -s_tone), ICON_SUBTRACT)
			else if(s_col)
				mob_icon.Blend(s_col, ICON_ADD)

	if(owner) //Maintains overlays on disembodied parts.
		cut_overlays()

	dir = EAST
	icon = mob_icon

	return mob_icon

/obj/item/organ/external/head/get_icon()
	..()
	if(!owner)
		return

	if(dna.species.has_organ["eyes"])
		var/icon/eyes_icon = owner.get_eyecon()
		if(eyes_icon)
			mob_icon.Blend(eyes_icon, ICON_OVERLAY) //This is required since update_icons.dm relies on this proc to render non-shining eyes.
			add_overlay(eyes_icon)

	if(owner.lip_style && (LIPS in dna.species.species_traits))
		var/icon/lips_icon = new('icons/mob/human_face.dmi', "lips_[owner.lip_style]_s")
		lips_icon.Blend(owner.lip_color, ICON_MULTIPLY)
		mob_icon.Blend(lips_icon, ICON_OVERLAY)
		add_overlay(lips_icon)

	var/head_marking = owner.m_styles["head"]
	if(head_marking)
		var/datum/sprite_accessory/head_marking_style = GLOB.marking_styles_list[head_marking]
		if(head_marking_style && head_marking_style.species_allowed && (dna.species.name in head_marking_style.species_allowed) && head_marking_style.marking_location == "head")
			var/icon/h_marking_s = new /icon("icon" = head_marking_style.icon, "icon_state" = "[head_marking_style.icon_state]_s")
			if(head_marking_style.do_colouration)
				h_marking_s.Blend(owner.m_colours["head"], ICON_ADD)
			add_overlay(h_marking_s)

	if(!((owner.head && (owner.head.flags & BLOCKHAIR)) || (owner.wear_mask && (owner.wear_mask.flags & BLOCKHAIR)))) //Common restriction for all the below features.
		if(ha_style)
			var/datum/sprite_accessory/head_accessory_style = GLOB.head_accessory_styles_list[ha_style]
			if(head_accessory_style && head_accessory_style.species_allowed && (dna.species.name in head_accessory_style.species_allowed))
				var/icon/head_accessory_s = new /icon("icon" = head_accessory_style.icon, "icon_state" = "[head_accessory_style.icon_state]_s")
				if(head_accessory_style.do_colouration)
					head_accessory_s.Blend(headacc_colour, ICON_ADD)
				add_overlay(head_accessory_s)

		if(f_style)
			var/datum/sprite_accessory/facial_hair_style = GLOB.facial_hair_styles_list[f_style]
			if(facial_hair_style && ((facial_hair_style.species_allowed && (dna.species.name in facial_hair_style.species_allowed)) || (dna.species.bodyflags & ALL_RPARTS)))
				var/icon/facial_s = new /icon("icon" = facial_hair_style.icon, "icon_state" = "[facial_hair_style.icon_state]_s")
				if(istype(dna.species, /datum/species/slime)) // I am el worstos
					facial_s.Blend("[owner.skin_colour]A0", ICON_AND) //A0 = 160 alpha.
				else if(facial_hair_style.do_colouration)
					facial_s.Blend(facial_colour, ICON_ADD)
				add_overlay(facial_s)

		if(h_style)
			if(!ismachineperson(owner) || (ismachineperson(owner) && ((owner.head && (owner.head.flags & BLOCKHEADHAIR)) || (owner.wear_mask && (owner.wear_mask.flags & BLOCKHEADHAIR)))))
				var/datum/sprite_accessory/hair_style = GLOB.hair_styles_full_list[h_style]
				if(hair_style && ((dna.species.name in hair_style.species_allowed) || (dna.species.bodyflags & ALL_RPARTS)))
					var/icon/hair_s = new /icon("icon" = hair_style.icon, "icon_state" = "[hair_style.icon_state]_s")
					if(istype(dna.species, /datum/species/slime)) // I am el worstos
						hair_s.Blend("[owner.skin_colour]A0", ICON_AND) //A0 = 160 alpha.
					else if(hair_style.do_colouration)
						hair_s.Blend(hair_colour, ICON_ADD)
					add_overlay(hair_s)

	return mob_icon //Don't need to blend the above into this as it's handled in human/update_icons(). The overlays are for rendering stuff on disembodied heads.

/obj/item/organ/external/proc/get_icon_state(skeletal)
	var/body
	var/icon_file
	var/new_icon_state
	if(!dna)
		icon_file = 'icons/mob/human_races/r_human.dmi'
		new_icon_state = "[icon_name][gendered_icon ? "_f" : ""]"
	else
		if(gendered_icon)
			switch(dna.GetUIState(DNA_UI_BODY_TYPE))
				if(DNA_GENDER_FEMALE)
					body = "f"
				else
					body = "m"

		if(limb_name == "head")
			var/obj/item/organ/external/head/head_organ = src
			head_organ.handle_alt_icon()

		new_icon_state = "[icon_name][body ? "_[body]" : ""]"

		if(skeletal)
			icon_file = 'icons/mob/human_races/r_skeleton.dmi'
		else if(is_robotic())
			icon_file = 'icons/mob/human_races/robotic.dmi'
		else
			// Congratulations, you are normal
			icon_file = icobase
	return list(icon_file, new_icon_state)

// new damage icon system
// adjusted to set damage_state to brute/burn code only (without r_name0 as before)

/obj/item/organ/external/proc/update_state()
	var/n_is = damage_state_text()
	if(n_is != damage_state)
		damage_state = n_is
		return 1
	return 0