Merge pull request #26591 from Cruix/alternate_appearance_fix

Fixed nulls in the active_alternate_appearances list

code/datums/hud.dm

@@ -80,7 +80,7 @@ GLOBAL_LIST_INIT(huds, list(
 			gang_huds += G.ganghud
 
 	for(var/datum/atom_hud/hud in (GLOB.huds|gang_huds|GLOB.active_alternate_appearances))
-		if(hud.hudusers[src])
+		if(hud && hud.hudusers[src])
 			hud.add_hud_to(src)
 
 /mob/dead/new_player/reload_huds()

code/game/alternate_appearance.dm

@@ -29,12 +29,11 @@ GLOBAL_LIST_EMPTY(active_alternate_appearances)
 	appearance_key = key
 
 /datum/atom_hud/alternate_appearance/Destroy()
-	if(!QDELETED(src))
-		for(var/v in hudusers)
-			remove_hud_from(v)
-		for(var/v in hudatoms)
-			remove_from_hud(v)
-		GLOB.active_alternate_appearances -= src
+	for(var/v in hudusers)
+		remove_hud_from(v)
+	for(var/v in hudatoms)
+		remove_from_hud(v)
+	GLOB.active_alternate_appearances -= src
 	return ..()
 
 /datum/atom_hud/alternate_appearance/proc/onNewMob(mob/M)

code/modules/mob/mob.dm

@@ -29,6 +29,8 @@
 	prepare_huds()
 	can_ride_typecache = typecacheof(can_ride_typecache)
 	for(var/v in GLOB.active_alternate_appearances)
+		if(!v)
+			continue
 		var/datum/atom_hud/alternate_appearance/AA = v
 		AA.onNewMob(src)
 	..()