Overworld Light Events that disappear with no active page

Events.onSpritesetCreate += proc { |_sender,e|
  spriteset = e[0]      # Spriteset being created
  viewport  = e[1]      # Viewport used for tilemap and characters
  map = spriteset.map   # Map associated with the spriteset (not necessarily the current map)
  for i in map.events.keys
    if map.events[i].name[/^outdoorlight\((\w+)\)$/i] && map.events[i].instance_variable_get(:@page)
      filename = $~[1].to_s
      spriteset.addUserSprite(LightEffect_DayNight.new(map.events[i],viewport,map,filename))
    elsif map.events[i].name[/^outdoorlight$/i] && map.events[i].instance_variable_get(:@page)
      spriteset.addUserSprite(LightEffect_DayNight.new(map.events[i],viewport,map))
    elsif map.events[i].name[/^light\((\w+)\)$/i] && map.events[i].instance_variable_get(:@page)
      filename = $~[1].to_s
      spriteset.addUserSprite(LightEffect_Basic.new(map.events[i],viewport,map,filename))
    elsif map.events[i].name[/^light$/i] && map.events[i].instance_variable_get(:@page)
      spriteset.addUserSprite(LightEffect_Basic.new(map.events[i],viewport,map))
    end
  end
  spriteset.addUserSprite(Particle_Engine.new(viewport,map))
}

#For the shadows, run this code after turning the light on/off
$game_map.update
$scene.disposeSpritesets
RPG::Cache.clear
$scene.createSpritesets