con = -1;
if (scr_flag_get(457) == 0)
{
    var lay_id = layer_get_id("BACKGROUND");
    var back_id = layer_background_get_id(lay_id);
    if (scr_flag_get(349) > 0)
    {
        layer_background_sprite(back_id, 3906);
        instance_create(180, 105, obj_readable_room1);
        instance_create(180, 105, obj_solidblockLight);
        with (obj_caterpillarchara)
        {
            follow = 0;
            visible = 0;
        }
    }
    else
    {
        layer_background_sprite(back_id, 2291);
    }
}
else
{
    instance_destroy();
}