Problème avec la fenêtre en combat

@help_window.set_text(obj.name, 1)

  #--------------------------------------------------------------------------
  def pop_help(obj)
    return if obj.extension.include?("ヘルプ非表示") #
  @help_window.set_text(obj.name, 1)
    @help_window.visible = true
    update_back_sprite_help #
  end
  #--------------------------------------------------------------------------

#==============================================================================
# ■ Scene_Battle Ver2.6
#------------------------------------------------------------------------------
# 　バトル画面の処理を行うクラスです。
#==============================================================================
class Scene_Battle < Scene_Base

  #--------------------------------------------------------------------------
  # * Start processing
  #--------------------------------------------------------------------------
  alias back_start start
  def start
    create_back_sprite_help
    create_back_sprite_item
    back_start
  end
  #--------------------------------------------------------------------------
  # * Termination Processing
  #--------------------------------------------------------------------------
  def terminate
    super
    dispose_info_viewport
    @message_window.dispose
    @spriteset.dispose
    dispose_back_sprite_help
    dispose_back_sprite_item
    unless $scene.is_a?(Scene_Gameover)
      $scene = nil if $BTEST
    end
  end
  #--------------------------------------------------------------------------
  # * Update
  #--------------------------------------------------------------------------
  alias back_update update
  def update
    update_back_sprite_item
    update_back_sprite_help
    back_update
  end
  #--------------------------------------------------------------------------
  # ● 戦闘行動の実行 : スキル  ※再定義
  #--------------------------------------------------------------------------
  def execute_action_skill
    skill = @active_battler.action.skill
    # ATTACK_FAIL付与のスキルで不死身設定を分岐
    if skill.plus_state_set.include?(1)
      for member in $game_party.members + $game_troop.members
        next if member.immortal
        next if member.dead?
        member.dying = true
      end
    else
      # 行動中に死なないようメンバー全員を不死身化
      immortaling
    end
    # スキルコスト消費
    return if @active_battler.consum_skill_cost(skill) == false
    # ターゲット決定
    target_decision(skill)
    # アクション開始
    @spriteset.set_action(@active_battler.actor?, @active_battler.index, skill.base_action)
    # ヘルプウインドウにスキル名表示
    pop_help(skill)
        # アクション中
    playing_action(skill)
    # コモンイベント取得
    $game_temp.common_event_id = skill.common_event_id
  end
  #--------------------------------------------------------------------------
  # ● アクション実行中
  #--------------------------------------------------------------------------
  def playing_action(skill = 0)
    loop do
      update_basic
      # アクティブバトラーに格納されているアクション情報を見る
      action = @active_battler.play
      next if action == 0
      @active_battler.play = 0
      if action[0] == "個別処理"
        individual
      elsif action == "Can Collapse"
        unimmortaling
      elsif action == "Cancel Action"
        break action_end
      elsif action == "End"
        break action_end
      elsif action[0] == "OBJ_ANIM"
        damage_action(action[1])
      end
    end 
  end
  #--------------------------------------------------------------------------
  # ● ターゲット選択の開始
  #--------------------------------------------------------------------------
  def start_target_selection(actor = false)
    members = $game_party.members if actor
    members = $game_troop.members unless actor
    # カーソルスプライトの作成
    @cursor = Sprite.new
    @cursor.bitmap = Cache.character("cursor")
    @cursor.src_rect.set(0, 0, 32, 32)
    @cursor_flame = 0
    @cursor.x = -200
    @cursor.y = -200
    @cursor.ox = @cursor.width
    @cursor.oy = @cursor.height
    # ターゲット名を表示するヘルプウインドウを作成
    @help_window.visible = false if @help_window != nil
    @help_window2 = Window_Help.new if @help_window2 == nil
    # 不要なウインドウを消す
    @actor_command_window.active = false
    @skill_window.visible = false if @skill_window != nil
    @item_window.visible = false if @item_window != nil
   
  #
    @skill_window.update if @skill_window != nil
    @item_window.update if @item_window != nil
    update_back_sprite_help
    update_back_sprite_item
  #
 
    # 存在しているターゲットで最も番号の低い対象を最初に指すように
    @index = 0
    @max_index = members.size - 1
    # アクターはATTACK_FAIL者でもターゲットできるようにエネミーと区別
    unless actor
      members.size.times do
        break if members[@index].exist?
        @index += 1
      end
    end 
    @help_window2.set_text(members[@index].name, 1)
    select_member(actor)
  end
  #--------------------------------------------------------------------------
  # ● 戦闘行動の実行 : GUARD_ATTACK  ※再定義
  #--------------------------------------------------------------------------
  def execute_action_guard
    @help_window.set_text("Endurance", 1)
    @help_window.visible = true
    update_back_sprite_help
    # バトラーのアクティブ化を解除
    @active_battler.active = false
    wait(45)
    @help_window.visible = false
  end
  #--------------------------------------------------------------------------
  # ● ターゲット選択のEnd
  #--------------------------------------------------------------------------
  def end_target_selection
    @actor_command_window.active = true if @actor_command_window.index == 0 and @limit_window == nil
    @skill_window.visible = true if @skill_window != nil
    @item_window.visible = true if @item_window != nil
    update_back_sprite_item
    update_back_sprite_help
    @cursor.dispose
    @cursor = nil
    if @help_window2 != nil 
      @help_window2.dispose
      @help_window2 = nil
    end
    @help_window.visible = true if @help_window != nil
  end
  #--------------------------------------------------------------------------
  # ● ヘルプウインドウの表示
  #--------------------------------------------------------------------------
  def pop_help(obj)
    return if obj.extension.include?("ヘルプ非表示") #
  @help_window.set_text(obj.name, 1)
    @help_window.visible = true
    update_back_sprite_help #
  end
  #--------------------------------------------------------------------------
  # * Start Item Selection
  #--------------------------------------------------------------------------
  def start_item_selection
    @help_window = Window_Help.new
    @item_window = Window_Item.new(136, 56, 272, 232)
    @item_window.help_window = @help_window
    @item_window.opacity = 255
    @actor_command_window.active = false
    update_back_sprite_item
  end
  #--------------------------------------------------------------------------
  # * Update Item Selection
  #--------------------------------------------------------------------------
  def update_item_selection
    @item_window.active = true
    @item_window.update
    @help_window.update
    if Input.trigger?(Input::B)
      Sound.play_cancel
      end_item_selection
    elsif Input.trigger?(Input::C)
      @item = @item_window.item
      if @item != nil
        $game_party.last_item_id = @item.id
      end
      if $game_party.item_can_use?(@item)
        determine_item
      else
        Sound.play_buzzer
      end
    end
  end
  #--------------------------------------------------------------------------
  # * Confirm Item
  #--------------------------------------------------------------------------
  def determine_item
    @active_battler.action.set_item(@item.id)
    @item_window.active = false
    if @item.need_selection?
      Sound.play_cursor
      if @item.for_opponent?
        start_target_enemy_selection
      else
        start_target_actor_selection
      end
    else
      Sound.play_decision
      end_item_selection
      next_actor
    end
  end
  #--------------------------------------------------------------------------
  # * Start Skill Selection
  #--------------------------------------------------------------------------
  def start_skill_selection
    @help_window = Window_Help.new
    @skill_window = Window_Skill.new(136, 56, 272, 232, @active_battler)# @skill_window = Window_Skill.new(136, 56, 272, 232, @active_battler)
    @skill_window.help_window = @help_window
    @skill_window.opacity = 255 ####
    @actor_command_window.active = false
    #update_back_sprite_item
  end
  #--------------------------------------------------------------------------
  # * Update Skill Selection
  #--------------------------------------------------------------------------
  def update_skill_selection
    @skill_window.active = true
    @skill_window.update
    @help_window.update
    if Input.trigger?(Input::B)
      Sound.play_cancel
      end_skill_selection
    elsif Input.trigger?(Input::C)
      @skill = @skill_window.skill
      if @skill != nil
        @active_battler.last_skill_id = @skill.id
      end
      if @active_battler.skill_can_use?(@skill)
        determine_skill
      else
        Sound.play_buzzer
      end
    end
  end
  #--------------------------------------------------------------------------
  # * Create Background Sprite Help
  #--------------------------------------------------------------------------
  def create_back_sprite_help
    @back_sprite2 = Sprite.new
    @back_sprite2.bitmap = Cache.system("MessageBack")
    @back_sprite2.zoom_y = 0.3
    @back_sprite2.y = 5
    @back_sprite2.z = 40
    @back_sprite2.opacity = 180
    @back_sprite2.visible = false
  end
  #--------------------------------------------------------------------------
  # * Dispose of Background Sprite Help
  #--------------------------------------------------------------------------
  def dispose_back_sprite_help
    @back_sprite2.dispose
  end
  #--------------------------------------------------------------------------
  # * Update Background Sprite Help
  #--------------------------------------------------------------------------
  def update_back_sprite_help
    back_ok_1 = back_ok_2 = false
  if @help_window != nil
    if @help_window.visible
      back_ok_1 = true
    end
  end
 
  if @help_window2 != nil
    if @help_window2.visible
      back_ok_2 = true
    end
  end
 
    if back_ok_1
    @help_window.opacity = 0
    @back_sprite2.visible = true
  elsif back_ok_2
      @help_window2.opacity = 0
    @back_sprite2.visible = true
  else
    @back_sprite2.visible = false
  end
    @back_sprite2.update
  end
 
  #--------------------------------------------------------------------------
  # * Create Background Sprite Item
  #--------------------------------------------------------------------------
  def create_back_sprite_item
    @back_sprite_item = Sprite.new
    @back_sprite_item.bitmap = Cache.system("")
    @back_sprite_item.zoom_x = 0.5
    @back_sprite_item.zoom_y = 1.5
    @back_sprite_item.x = 134
    @back_sprite_item.y = 55
    @back_sprite_item.z = 40
    @back_sprite_item.opacity = 180
    @back_sprite_item.visible = false
  end
  #--------------------------------------------------------------------------
  # * Dispose of Background Sprite Item
  #--------------------------------------------------------------------------
  def dispose_back_sprite_item
    @back_sprite_item.dispose
  end
  #--------------------------------------------------------------------------
  # * Update Background Sprite Item
  #--------------------------------------------------------------------------
  def update_back_sprite_item
    back_ok_1 = back_ok_2 = false
  if @item_window != nil
    if @item_window.visible and @item_window.active
      back_ok_1 = true
    end
  end
 
  if @skill_window != nil
    if @skill_window.visible and @skill_window.active
      back_ok_2 = true
    end
  end
 
 
  if back_ok_1 or back_ok_2
    @back_sprite_item.visible = true
  else
    @back_sprite_item.visible = false
  end
    @back_sprite_item.update
  end
end 

#==============================================================================
# ■ Scene_Battle Ver2.6
#------------------------------------------------------------------------------
# 　バトル画面の処理を行うクラスです。
#==============================================================================
class Scene_Battle < Scene_Base
   def pop_help(obj)
      return if obj.extension.include?("ヘルプ非表示")
      if @help_window
         @help_window.set_text(obj.name, 1)
         @help_window.visible = true
         update_back_sprite_help
      end
   end
end