Refactor using slot_equipment_priority

code/game/objects/items.dm

@@ -102,6 +102,25 @@ var/global/image/fire_overlay = image("icon" = 'icons/effects/fire.dmi', "icon_s
 	var/block_chance = 0
 	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\
+		)
+
 /obj/item/proc/check_allowed_items(atom/target, not_inside, target_self)
 	if(((src in target) && !target_self) || ((!istype(target.loc, /turf)) && (!istype(target, /turf)) && (not_inside)) || is_type_in_list(target, can_be_placed_into))
 		return 0

code/modules/mob/inventory.dm

@@ -191,16 +191,6 @@
 		M.s_active.handle_item_insertion(src)
 		return 1
 
-	if(istype(M, /mob/living/simple_animal/drone))
-		var/mob/living/simple_animal/drone/D = M
-		var/obj/item/weapon/storage/T = D.internal_storage
-		if (!T)
-			if (D.equip_to_slot_if_possible(src, slot_drone_storage, 0, 1, 1))
-				return 1
-		else if (istype(T) && T.can_be_inserted(src,1)) //If carrying storage item like toolbox
-			T.handle_item_insertion(src)
-			return 1
-
 	var/obj/item/weapon/storage/S = M.get_inactive_hand()
 	if(istype(S) && S.can_be_inserted(src,1))	//see if we have box in other hand
 		S.handle_item_insertion(src)
@@ -211,6 +201,10 @@
 		S.handle_item_insertion(src)
 		return 1
 
+	S = M.get_item_by_slot(slot_drone_storage)	//else we put in whatever is in drone storage
+	if(istype(S) && S.can_be_inserted(src,1))
+		S.handle_item_insertion(src)
+
 	S = M.get_item_by_slot(slot_back)	//else we put in backpack
 	if(istype(S) && S.can_be_inserted(src,1))
 		S.handle_item_insertion(src)

code/modules/mob/mob.dm

@@ -278,30 +278,12 @@ var/next_mob_id = 0
 /mob/proc/equip_to_slot_or_del(obj/item/W, slot)
 	equip_to_slot_if_possible(W, slot, 1, 1, 0)
 
-//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\
-	)
-
 //puts the item "W" into an appropriate slot in a human's inventory
 //returns 0 if it cannot, 1 if successful
 /mob/proc/equip_to_appropriate_slot(obj/item/W)
 	if(!istype(W)) return 0
 
-	for(var/slot in slot_equipment_priority)
+	for(var/slot in W.slot_equipment_priority)
 		if(equip_to_slot_if_possible(W, slot, 0, 1, 1)) //qdel_on_fail = 0; disable_warning = 0; redraw_mob = 1
 			return 1
 

code/modules/reagents/reagent_containers/glass.dm

@@ -284,36 +284,14 @@
 		reagents.clear_reagents()
 
 /obj/item/weapon/reagent_containers/glass/bucket/equip_to_best_slot(var/mob/M)
-	if(reagents.total_volume)
-		if(src != M.get_active_hand())
-			M << "<span class='warning'>You are not holding anything to equip!</span>"
-			return 0
-
-		if(M.s_active && M.s_active.can_be_inserted(src,1))	 //if storage active insert there
-			M.s_active.handle_item_insertion(src)
-			return 1
-
-		if(istype(M, /mob/living/simple_animal/drone))
-			var/mob/living/simple_animal/drone/D = M
-			var/obj/item/weapon/storage/T = D.internal_storage
-			if (!T)
-				if (D.equip_to_slot_if_possible(src, slot_drone_storage, 0, 1, 1))
-					return 1
-			else if (istype(T) && T.can_be_inserted(src,1)) //If carrying storage item like toolbox
-				T.handle_item_insertion(src)
-				return 1
-
-		var/obj/item/weapon/storage/S = M.get_inactive_hand()
-		if(istype(S) && S.can_be_inserted(src,1))	//see if we have box in other hand
-			S.handle_item_insertion(src)
-			return 1
-
-		S = M.get_item_by_slot(slot_back)	//else we put in backpack
-		if(istype(S) && S.can_be_inserted(src,1))
-			S.handle_item_insertion(src)
-			playsound(src.loc, "rustle", 50, 1, -5)
-			return 1
-
-		M << "<span class='warning'>You are unable to equip that!</span>"
-		return 0
-	else return ..()
+	if(reagents.total_volume) //If there is water in a bucket, don't quick equip it to the head
+		var/count = 0
+		for (var/slot in slot_equipment_priority)
+			count++
+			if (slot == slot_head)
+				slot[count] = null
+				break
+		. = ..()
+		slot_equipment_priority[count] = slot_head
+		return
+	return ..()