if (_fade_in)
{
    _alpha = lerp(_alpha, 1, 0.06);
    y = lerp(y, ystart, 0.14);
    _chapter_choice.set_alpha(_alpha);
    _chapter_choice.y = lerp(_chapter_choice.y, _chapter_choice.ystart, 0.14);
    for (var i = 0; i < array_length(_choices); i++)
    {
        var choice = _choices[i];
        choice.set_alpha(_alpha);
        choice.y = lerp(choice.y, choice.ystart, 0.14);
    }
    if (_alpha >= 1)
        _fade_in = false;
}
if (!_scroll_enabled)
    exit;
if (left_p())
{
    audio_play_sound(snd_menumove, 50, 0);
    _choice_index = scr_wrap(_choice_index - 1, 0, array_length(_choices) - 1);
    highlight_choice();
}
else if (right_p())
{
    audio_play_sound(snd_menumove, 50, 0);
    _choice_index = scr_wrap(_choice_index + 1, 0, array_length(_choices) - 1);
    highlight_choice();
}
else if (button2_p())
{
    audio_play_sound(snd_swing, 50, 0);
    trigger_event("select", UnknownEnum.Value_3);
}

enum UnknownEnum
{
    Value_3 = 3
}