slot_equipment_priority no longer contributes to list init overhead

code/game/objects/items.dm

@@ -88,23 +88,7 @@ var/global/image/fire_overlay = image("icon" = 'icons/effects/fire.dmi', "icon_s
 	var/hit_reaction_chance = 0 //If you want to have something unrelated to blocking/armour piercing etc. Maybe not needed, but trying to think ahead/allow more freedom
 
 	//The list of slots by priority. equip_to_appropriate_slot() uses this list. Doesn't matter if a mob type doesn't have a slot.
-	var/list/slot_equipment_priority = list( \
-			slot_back,\
-			slot_wear_id,\
-			slot_w_uniform,\
-			slot_wear_suit,\
-			slot_wear_mask,\
-			slot_head,\
-			slot_shoes,\
-			slot_gloves,\
-			slot_ears,\
-			slot_glasses,\
-			slot_belt,\
-			slot_s_store,\
-			slot_l_store,\
-			slot_r_store,\
-			slot_drone_storage\
-		)
+	var/list/slot_equipment_priority = null // for default list, see /mob/proc/equip_to_appropriate_slot()
 
 	// Needs to be in /obj/item because corgis can wear a lot of
 	// non-clothing items

code/modules/mob/mob.dm

@@ -231,8 +231,21 @@ var/next_mob_id = 0
 //returns 0 if it cannot, 1 if successful
 /mob/proc/equip_to_appropriate_slot(obj/item/W)
 	if(!istype(W)) return 0
+	var/slot_priority = W.slot_equipment_priority
 
-	for(var/slot in W.slot_equipment_priority)
+	if(!slot_priority)
+		slot_priority = list( \
+			slot_back, slot_wear_id,\
+			slot_w_uniform, slot_wear_suit,\
+			slot_wear_mask, slot_head,\
+			slot_shoes, slot_gloves,\
+			slot_ears, slot_glasses,\
+			slot_belt, slot_s_store,\
+			slot_l_store, slot_r_store,\
+			slot_drone_storage\
+		)
+
+	for(var/slot in slot_priority)
 		if(equip_to_slot_if_possible(W, slot, 0, 1, 1)) //qdel_on_fail = 0; disable_warning = 1; redraw_mob = 1
 			return 1
 

code/modules/reagents/reagent_containers/glass.dm

@@ -228,6 +228,16 @@
 	flags_inv = HIDEHAIR
 	slot_flags = SLOT_HEAD
 	armor = list(melee = 10, bullet = 0, laser = 0, energy = 0, bomb = 0, bio = 0, rad = 0) //Weak melee protection, because you can wear it on your head
+	slot_equipment_priority = list( \
+		slot_back, slot_wear_id,\
+		slot_w_uniform, slot_wear_suit,\
+		slot_wear_mask, slot_head,\
+		slot_shoes, slot_gloves,\
+		slot_ears, slot_glasses,\
+		slot_belt, slot_s_store,\
+		slot_l_store, slot_r_store,\
+		slot_drone_storage
+	)
 
 /obj/item/weapon/reagent_containers/glass/bucket/attackby(obj/O, mob/user, params)
 	if(istype(O, /obj/item/weapon/mop))