Optimizes and adds missing limbs to health dolls

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

@@ -614,6 +614,8 @@
 		H.clear_alert("high")
 
 /datum/species/proc/handle_hud_icons(mob/living/carbon/human/H)
+	if(!H.client)
+		return
 	if(H.healths)
 		if(H.stat == DEAD)
 			H.healths.icon_state = "health7"
@@ -633,11 +635,15 @@
 						else					H.healths.icon_state = "health6"
 
 	if(H.healthdoll)
-		H.healthdoll.overlays.Cut()
 		if(H.stat == DEAD)
 			H.healthdoll.icon_state = "healthdoll_DEAD"
+			if(H.healthdoll.overlays.len)
+				H.healthdoll.overlays.Cut()
 		else
-			H.healthdoll.icon_state = "healthdoll_OVERLAY"
+			var/list/new_overlays = list()
+			var/list/cached_overlays = H.healthdoll.cached_healthdoll_overlays
+			// Use the dead health doll as the base, since we have proper "healthy" overlays now
+			H.healthdoll.icon_state = "healthdoll_DEAD"
 			for(var/obj/item/organ/external/O in H.organs)
 				var/damage = O.burn_dam + O.brute_dam
 				var/comparison = (O.max_damage/5)
@@ -652,8 +658,10 @@
 					icon_num = 4
 				if(damage > (comparison*4))
 					icon_num = 5
-				if(icon_num)
-					H.healthdoll.overlays += image('icons/mob/screen_gen.dmi',"[O.limb_name][icon_num]")
+				new_overlays += "[O.limb_name][icon_num]"
+			H.healthdoll.overlays += (new_overlays - cached_overlays)
+			H.healthdoll.overlays -= (cached_overlays - new_overlays)
+			H.healthdoll.cached_healthdoll_overlays = new_overlays
 
 	switch(H.nutrition)
 		if(NUTRITION_LEVEL_FULL to INFINITY)

code/modules/mob/mob_defines.dm

@@ -22,7 +22,7 @@
 	*/
 	var/obj/screen/zone_sel/zone_sel = null
 	var/obj/screen/leap_icon = null
-	var/obj/screen/healthdoll = null
+	var/obj/screen/healthdoll/healthdoll = null
 
 	var/use_me = 1 //Allows all mobs to use the me verb by default, will have to manually specify they cannot
 	var/damageoverlaytemp = 0