if (instance_exists(obj_mainchara))
{
    with (obj_mainchara)
        view_xview[0] = round((x - (view_wview[0] / 2)) + (sprite_width / 2));
    if (global.flag[85] == 1)
    {
        with (obj_mainchara)
            view_xview[0] = floor((x - 160) + (sprite_width / 2));
    }
}