U_I Phase 2.6: Blood, Helmets, Unneeded calls

code/__defines/items_clothing.dm

@@ -107,6 +107,7 @@
 #define slot_handcuffed  20
 #define slot_legcuffed   21
 #define slot_in_backpack 22
+#define SLOT_TOTAL       22
 
 // Inventory slot strings.
 // since numbers cannot be used as associative list keys.

code/game/objects/effects/decals/Cleanable/humans.dm

@@ -96,18 +96,18 @@ var/global/list/image/splatter_cache=list()
 				S.overlays.Cut()
 				S.overlays += S.blood_overlay
 			S.blood_DNA |= blood_DNA.Copy()
+			perp.update_inv_shoes()
 
 	else if (hasfeet)//Or feet
 		perp.feet_blood_color = basecolor
 		perp.track_blood = max(amount,perp.track_blood)
-		if(!perp.feet_blood_DNA)
-			perp.feet_blood_DNA = list()
+		LAZYINITLIST(perp.feet_blood_DNA)
 		perp.feet_blood_DNA |= blood_DNA.Copy()
+		perp.update_bloodied()
 	else if (perp.buckled && istype(perp.buckled, /obj/structure/bed/chair/wheelchair))
 		var/obj/structure/bed/chair/wheelchair/W = perp.buckled
 		W.bloodiness = 4
 
-	perp.update_inv_shoes(1)
 	amount--
 
 /obj/effect/decal/cleanable/blood/proc/dry()

code/modules/clothing/clothing.dm

@@ -322,6 +322,7 @@
 	var/light_applied
 	var/brightness_on
 	var/on = 0
+	var/image/helmet_light
 
 	sprite_sheets = list(
 		"Teshari" = 'icons/mob/species/seromi/head.dmi',
@@ -385,18 +386,16 @@
 	return 1
 
 /obj/item/clothing/head/update_icon(var/mob/user)
-
-	overlays.Cut()
 	var/mob/living/carbon/human/H
-	if(istype(user,/mob/living/carbon/human))
+	if(ishuman(user))
 		H = user
 
 	if(on)
-
 		// Generate object icon.
 		if(!light_overlay_cache["[light_overlay]_icon"])
 			light_overlay_cache["[light_overlay]_icon"] = image("icon" = 'icons/obj/light_overlays.dmi', "icon_state" = "[light_overlay]")
-		overlays |= light_overlay_cache["[light_overlay]_icon"]
+		helmet_light = light_overlay_cache["[light_overlay]_icon"]
+		add_overlay(helmet_light)
 
 		// Generate and cache the on-mob icon, which is used in update_inv_head().
 		var/cache_key = "[light_overlay][H ? "_[H.species.get_bodytype(H)]" : ""]"
@@ -405,9 +404,11 @@
 			if(H && sprite_sheets[H.species.get_bodytype(H)])
 				use_icon = sprite_sheets[H.species.get_bodytype(H)]
 			light_overlay_cache[cache_key] = image("icon" = use_icon, "icon_state" = "[light_overlay]")
+	else if(helmet_light)
+		cut_overlay(helmet_light)
+		helmet_light = null
 
-	if(H)
-		H.update_inv_head()
+	user.update_inv_head() //Will redraw the helmet with the light on the mob
 
 /obj/item/clothing/head/update_clothing_icon()
 	if (ismob(src.loc))

code/modules/clothing/spacesuits/rig/rig.dm

@@ -181,7 +181,10 @@
 
 /obj/item/weapon/rig/get_worn_icon_file(var/body_type,var/slot_name,var/default_icon,var/inhands)
 	if(!inhands && slot_name == slot_back_str)
-		return icon_override || mob_icon //That's just all this does.
+		if(icon_override)
+			return icon_override
+		else if(mob_icon)
+			return mob_icon
 
 	return ..()
 
@@ -604,7 +607,7 @@
 		// update_inv_wear_suit(), handle species checks here.
 		if(wearer && sprite_sheets && sprite_sheets[wearer.species.get_bodytype(wearer)])
 			species_icon =  sprite_sheets[wearer.species.get_bodytype(wearer)]
-		mob_icon = image("icon" = species_icon, "icon_state" = "[icon_state]")
+		mob_icon = icon(icon = species_icon, icon_state = "[icon_state]")
 
 	if(installed_modules.len)
 		for(var/obj/item/rig_module/module in installed_modules)

code/modules/mob/dead/observer/observer.dm

@@ -103,7 +103,7 @@
 		if (ishuman(body))
 			var/mob/living/carbon/human/H = body
 			icon = H.icon
-			H.update_icons()
+			underlays = H.underlays
 			overlays = H.overlays
 		else
 			icon = body.icon

code/modules/mob/inventory.dm

@@ -179,7 +179,7 @@ var/list/slot_equipment_priority = list( \
 
 /mob/proc/get_inventory_slot(obj/item/I)
 	var/slot = 0
-	for(var/s in slot_back to slot_tie) //kind of worries me
+	for(var/s in 1 to SLOT_TOTAL)
 		if(get_equipped_item(s) == I)
 			slot = s
 			break

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

@@ -277,21 +277,6 @@
 
 // ++++ROCKDTBEN++++ MOB PROCS //END
 
-/mob/living/carbon/clean_blood()
-	. = ..()
-	if(ishuman(src))
-		var/mob/living/carbon/human/H = src
-		if(H.gloves)
-			if(H.gloves.clean_blood())
-				H.update_inv_gloves(0)
-			H.gloves.germ_level = 0
-		else
-			if(H.bloody_hands)
-				H.bloody_hands = 0
-				H.update_inv_gloves(0)
-			H.germ_level = 0
-	update_icons_body()
-
 /mob/living/carbon/fire_act(datum/gas_mixture/air, exposed_temperature, exposed_volume)
 	..()
 	var/temp_inc = max(min(BODYTEMP_HEATING_MAX*(1-get_heat_protection()), exposed_temperature - bodytemperature), 0)

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

@@ -1007,7 +1007,7 @@
 		if(!blood_DNA[M.dna.unique_enzymes])
 			blood_DNA[M.dna.unique_enzymes] = M.dna.b_type
 	hand_blood_color = blood_color
-	src.update_inv_gloves()	//handles bloody hands overlays and updating
+	update_bloodied()
 	verbs += /mob/living/carbon/human/proc/bloody_doodle
 	return 1 //we applied blood to the item
 
@@ -1017,14 +1017,33 @@
 	return md5(dna.uni_identity)
 
 /mob/living/carbon/human/clean_blood(var/washshoes)
-	.=..()
+	. = ..()
 	gunshot_residue = null
-	if(washshoes && !shoes && istype(feet_blood_DNA, /list) && feet_blood_DNA.len)
+	//Always do hands (or whatever's on our hands)
+	if(gloves)
+		if(gloves.clean_blood())
+			update_inv_gloves()
+			. = 1
+		gloves.germ_level = 0
+	else
+		if(bloody_hands)
+			. = 1
+			bloody_hands = 0
+		germ_level = 0
+	
+	//Sometimes do shoes if asked
+	if(washshoes && shoes)
+		if(shoes.clean_blood())
+			update_inv_shoes()
+			. = 1
+		shoes.germ_level = 0
+	else if(washshoes && (feet_blood_color || LAZYLEN(feet_blood_DNA)))
 		feet_blood_color = null
-		feet_blood_DNA.Cut()
+		LAZYCLEARLIST(feet_blood_DNA)
 		feet_blood_DNA = null
-		update_inv_shoes(1)
-		return 1
+		. = 1
+	
+	update_bloodied()
 
 /mob/living/carbon/human/get_visible_implants(var/class = 0)
 

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

@@ -7,7 +7,7 @@ var/global/list/tail_icon_cache = list() //key is [species.race_key][r_skin][g_s
 var/global/list/light_overlay_cache = list() //see make_worn_icon() on helmets
 var/global/list/damage_icon_parts = list() //see UpdateDamageIcon()
 
-//Add an entry to overlays, assuming it exists
+//Add an entry to overlays, assuming it existsup
 /mob/living/carbon/human/proc/apply_layer(cache_index)
 	if((. = overlays_standing[cache_index]))
 		add_overlay(.)
@@ -781,7 +781,7 @@ var/global/list/damage_icon_parts = list() //see UpdateDamageIcon()
 		return
 
 	remove_layer(TAIL_LAYER)
-	var/species_tail = species.get_tail(src) // Species tail icon_state prefix.
+	var/species_tail = species.get_tail(src) // Species tail icon_state prefix.
 
 	//This one is actually not that bad I guess.
 	if(species_tail && !(wear_suit && wear_suit.flags_inv & HIDETAIL))

code/modules/mob/living/life.dm

@@ -111,15 +111,11 @@
 /mob/living/proc/handle_stunned()
 	if(stunned)
 		AdjustStunned(-1)
-		if(!stunned)
-			update_icons()
 	return stunned
 
 /mob/living/proc/handle_weakened()
 	if(weakened)
 		weakened = max(weakened-1,0)
-		if(!weakened)
-			update_icons()
 	return weakened
 
 /mob/living/proc/handle_stuttering()
@@ -145,8 +141,6 @@
 /mob/living/proc/handle_paralysed()
 	if(paralysis)
 		AdjustParalysis(-1)
-		if(!paralysis)
-			update_icons()
 	return paralysis
 
 /mob/living/proc/handle_disabilities()