[Ace] Show items from all party members during key item selection

gistfile1.txt

class Window_KeyItem < Window_ItemList
  def make_item_list    
    @data = []
    $game_party.members.each {|mem|
      @data.concat(mem.all_items.select {|item| include?(item) })
    }
    @data.uniq!
    @data.push(nil) if include?(nil)
  end
  
  def enable?(item)
    true
  end
  
  def draw_item_number(rect, item)
    num = $game_party.members.inject(0) {|r, mem| r += mem.item_number(item) }
    draw_text(rect, sprintf(":%2d", num), 2)
  end
end