Auto-Close Actor Window on 0 Item Snippet by Sixth

#===============================================================================
# A small snippet which makes the actor selection window automatically close
# itself after using an item if it was the last item of that kind in the
# inventory.
# Made by: Sixth
#===============================================================================
class Scene_Item < Scene_ItemBase

  alias sixth_zeroitem1222 start
  def start
    sixth_zeroitem1222
    @zero = false
  end

  alias sixth_zeroitem7765 on_item_ok
  def on_item_ok
    if @item_window.current_item_enabled? && @zero == false
      Sound.play_ok
      sixth_zeroitem7765
    elsif !@item_window.current_item_enabled? && @zero == false
      Sound.play_buzzer
      @item_window.activate
    else
      @item_window.activate
      @zero = false
    end
  end

  alias sixth_zeroitem3354 use_item
  def use_item
    sixth_zeroitem3354
    if item.is_a?(RPG::Item) && $game_party.item_number(item) == 0
      @zero = true
      @item_window.select(0)
      hide_sub_window(@actor_window)
    end
  end

end

class Window_ItemList < Window_Selectable

  def process_ok
    return super if $game_party.in_battle
    Input.update
    deactivate
    call_ok_handler
  end

end
#==============================================================================
# !!END OF SCRIPT - OHH, NOES!!
#==============================================================================