#==============================================================================
# ■ VXAce-RGSS3-2 アイテム捨てる [Ver.1.0.0]         by Claimh
#------------------------------------------------------------------------------
#  アイテム画面上でXボタンを押すと、アイテムを捨てることができます。
#==============================================================================


#==============================================================================
# ■ Window_ItemList
#==============================================================================
class Window_ItemList < Window_Selectable
  #--------------------------------------------------------------------------
  # ● 決定やキャンセルなどのハンドリング処理
  #--------------------------------------------------------------------------
  def process_handling
    return unless open? && active
    return call_handler(:append_x)   if handle?(:append_x) && Input.trigger?(:X)
    super
  end
end

#==============================================================================
# ■ Window_ItemNumber
#==============================================================================
class Window_ItemNumber < Window_ShopNumber
  #--------------------------------------------------------------------------
  # ● 公開インスタンス変数
  #--------------------------------------------------------------------------
  attr_reader   :number                   # 入力された個数
  #--------------------------------------------------------------------------
  # ● オブジェクト初期化
  #--------------------------------------------------------------------------
  def initialize
    x = (Graphics.width - window_width) / 2
    super(x, 200, line_height*2 + 32)
    @item = nil
    @max = 1
    @number = 1
  end
  #--------------------------------------------------------------------------
  # ● アイテム、最大個数の設定
  #--------------------------------------------------------------------------
  def set(item, max)
    @item = item
    @max = max
    @number = 1
    refresh
  end
  #--------------------------------------------------------------------------
  # ● リフレッシュ
  #--------------------------------------------------------------------------
  def refresh
    contents.clear
    contents.draw_text(0, 0, 200, line_height, "捨てる数：")
    draw_item_name(@item, 4, line_height)
    draw_number
  end
  #--------------------------------------------------------------------------
  # ● アイテム名表示行の Y 座標
  #--------------------------------------------------------------------------
  def item_y
    line_height
  end
end


#==============================================================================
# ■ Scene_Item
#==============================================================================
class Scene_Item < Scene_ItemBase
  #--------------------------------------------------------------------------
  # ● 開始処理
  #--------------------------------------------------------------------------
  alias start_dump start
  def start
    start_dump
    create_item_dump_window
  end
  #--------------------------------------------------------------------------
  # ● アイテムウィンドウの作成
  #--------------------------------------------------------------------------
  alias create_item_window_dump create_item_window
  def create_item_window
    create_item_window_dump
    @item_window.set_handler(:append_x, method(:on_item_dump))
  end
  #--------------------------------------------------------------------------
  # ● アイテム数選択ウィンドウの作成
  #--------------------------------------------------------------------------
  def create_item_dump_window
    @number_window = Window_ItemNumber.new
    @number_window.viewport = @viewport
    @number_window.hide
    @number_window.set_handler(:ok,     method(:on_number_ok))
    @number_window.set_handler(:cancel, method(:on_number_cancel))
  end
  #--------------------------------------------------------------------------
  # ● アイテム［捨てる］
  #--------------------------------------------------------------------------
  def on_item_dump
    if item_dumpable?
      Sound.play_ok
      @number_window.set(item, max_item)
      @number_window.show.activate
      @item_window.deactivate
    else
      Sound.play_buzzer
    end
  end
  #--------------------------------------------------------------------------
  # ● 個数入力［決定］
  #--------------------------------------------------------------------------
  def on_number_ok
    Sound.play_ok
    do_item_dump(@number_window.number)
    @number_window.hide
    activate_item_window
  end
  #--------------------------------------------------------------------------
  # ● 個数入力［キャンセル］
  #--------------------------------------------------------------------------
  def on_number_cancel
    Sound.play_cancel
    @number_window.hide
    activate_item_window
  end
  #--------------------------------------------------------------------------
  # ● 捨てるの実行
  #--------------------------------------------------------------------------
  def do_item_dump(number)
    $game_party.lose_item(item, number)
  end
  #--------------------------------------------------------------------------
  # ● アイテムを捨てる判定
  #--------------------------------------------------------------------------
  def item_dumpable?
    item.is_a?(RPG::Item) ? !item.key_item? : (!item.nil?)
  end
  #--------------------------------------------------------------------------
  # ● 所持数の取得
  #--------------------------------------------------------------------------
  def max_item
    $game_party.item_number(item)
  end
end