def handle_player_buff(buffer)
    param_id = buffer.read_byte
    buff_level = buffer.read_short
    if buff_level == 1
      $game_actors[1].add_buff(param_id, 0)
    elsif buff_level == -1
      $game_actors[1].add_debuff(param_id, 0)
    else
      $game_actors[1].remove_buff(param_id)
    end
    if $windows.has_key?(:states)
      $windows[:states].visible = $game_actors[1].result.status_affected?
      $windows[:states].refresh if $windows[:states].visible
    end
    # Se alterou o HP ou o MP máximo
    $windows[:hud].refresh if param_id < 2 && $windows.has_key?(:hud)
    $windows[:status].refresh if $windows.has_key?(:status) && $windows[:status].visible
  end