[MIRROR] Fixes plasma lava limb conversion bug (#3532)

* Fixes plasma lava limb conversion bug

* Update human_update_icons.dm

Co-authored-by: ArcaneDefence <51932756+ArcaneDefence@users.noreply.github.com>
Co-authored-by: Gandalf <jzo123@hotmail.com>

code/modules/awaymissions/mission_code/snowdin.dm

@@ -231,11 +231,10 @@
 						PP.adjustToxLoss(15)
 						PP.adjustFireLoss(25)
 						if(plasma_parts.len)
-							var/obj/item/bodypart/NB = pick(plasma_parts) //using the above-mentioned list to get a choice of limbs for dismember() to use
+							var/obj/item/bodypart/NB = pick(plasma_parts) //using the above-mentioned list to get a choice of limbs
 							PP.emote("scream")
-							NB.species_id = "plasmaman"//change the species_id of the limb to that of a plasmaman
-							NB.no_update = TRUE
-							NB.change_bodypart_status()
+							ADD_TRAIT(NB, TRAIT_PLASMABURNT, src)
+							PP.update_body_parts()
 							PP.visible_message("<span class='warning'>[L] screams in pain as [L.p_their()] [NB] melts down to the bone!</span>", \
 											  "<span class='userdanger'>You scream out in pain as your [NB] melts down to the bone, leaving an eerie plasma-like glow where flesh used to be!</span>")
 						if(!plasma_parts.len && !robo_parts.len) //a person with no potential organic limbs left AND no robotic limbs, time to turn them into a plasmaman

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

@@ -603,11 +603,15 @@ generate/load female uniform sprites matching all previously decided variables
 			. += "-digitigrade[BP.use_digitigrade]"
 		if(BP.dmg_overlay_type)
 			. += "-[BP.dmg_overlay_type]"
+
 		//SKYRAT EDIT ADDITION BEGIN - CUSTOMIZATION
 		if(BP.organic_render)
 			. += "-OR"
 		//SKYRAT EDIT ADDITION END
 
+		if(HAS_TRAIT(BP, TRAIT_PLASMABURNT))
+			. += "-plasmaburnt"
+
 	if(HAS_TRAIT(src, TRAIT_HUSK))
 		. += "-husk"
 

code/modules/surgery/bodyparts/_bodyparts.dm

@@ -791,6 +791,13 @@
 		should_draw_greyscale = FALSE
 		no_update = TRUE
 
+	if(HAS_TRAIT(src, TRAIT_PLASMABURNT) && is_organic_limb())
+		species_id = "plasmaman"
+		dmg_overlay_type = ""
+		should_draw_gender = FALSE
+		should_draw_greyscale = FALSE
+		no_update = TRUE
+
 	if(no_update)
 		return