Realistic Light menu Add-on

class Scene_Menu < Scene_MenuBase

  alias pre_create_light start
  def start
    pre_create_light
    create_realistic_lights
  end

  def create_realistic_lights
    return unless use_realistic_lights?
    @theo_lights = Spriteset_Light.new(@viewport) unless @theo_lights
  end

  def use_realistic_lights?
    !$game_switches[THEO::LIGHT::DISABLE_SWITCH_ID]
  end

  alias pre_realistic_update_light update
  def update
    pre_realistic_update_light
    update_realistic_light
    check_light_existence
  end

  def update_realistic_light
    @theo_lights.update if @theo_lights
  end

  def check_light_existence
    $game_switches[THEO::LIGHT::DISABLE_SWITCH_ID] ?
      dispose_real_lights : create_realistic_lights
  end

  alias pre_dispose_real_lights terminate
  def terminate
    pre_dispose_real_lights
    dispose_real_lights
  end

  def dispose_real_lights
    if @theo_lights
      @theo_lights.dispose
      @theo_lights = nil
    end
  end

end