sbox-public/game/addons/menu/Code/Modals/Settings/AudioSettings.razor

@using Sandbox.UI;
@using Sandbox;
@namespace MenuProject.Settings
@inherits Panel
@page "/settings/audio"

<root class="page-inner">

    <div class="page-content">

        <h2>Audio Devices</h2>

        <row class="with-gaps">
            <cell class="glass with-padding is-label">
                Audio Output
            </cell>
            <DropDown class="glass with-grow" Value:bind=@AudioDevice BuildOptions=@GetAudioDevices></DropDown>
        </row>

        <h2>Volume</h2>

        <row class="with-gaps">
            <cell class="glass with-padding is-label">
                Master
            </cell>
            <SliderControl Value:bind=@GlobalVolume class="glass with-grow" Min="@(0)" Max="@(1)" Step="@(0.01f)"></SliderControl>
        </row>

        <row class="with-gaps">
            <cell class="glass with-padding is-label">
                Music
            </cell>
            <SliderControl Value:bind=@MusicVolume class="glass with-grow" Min="@(0)" Max="@(1)" Step="@(0.01f)"></SliderControl>
        </row>

        <row class="with-gaps">
            <cell class="glass with-padding is-label">
                Voice
            </cell>
            <SliderControl Value:bind=@VoiceVolume class="glass with-grow" Min="@(0)" Max="@(1)" Step="@(0.01f)"></SliderControl>
        </row>

    </div>

    <SettingsFooter OnCancel=@OnCancel OnRestore=@OnRestore OnApply=@OnApply></SettingsFooter>

</root>


@code
{
    public float GlobalVolume { get; set; }
    public float MusicVolume { get; set; }
    public float VoiceVolume { get; set; }

    public string AudioDevice { get; set; }

    protected override void OnAfterTreeRender(bool firstTime)
    {
        base.OnAfterTreeRender(firstTime);

        if (!firstTime)
            return;

        OnCancel();
    }

    List<Option> GetAudioDevices()
    {
        var options = new List<Option>();
        var devices = Sandbox.Internal.AudioSettings.GetAudioDevices();
        foreach (var device in devices)
        {
            options.Add(new Option(device.Name, device.Id));
        }

        return options;
    }

    public void OnRestore()
    {
        var devices = Sandbox.Internal.AudioSettings.GetAudioDevices();
        if (devices.Count() > 0)
        {
            Sandbox.Internal.AudioSettings.SetActiveDevice(devices.First().Id);
        }
        ConsoleSystem.SetValue("volume", 1.0f);
        ConsoleSystem.SetValue("music_volume", 1.0f);
        ConsoleSystem.SetValue("voip_volume", 1.0f);
    }

    public void OnCancel()
    {
        GlobalVolume = ConsoleSystem.GetValue("volume").ToFloat();
        MusicVolume = ConsoleSystem.GetValue("music_volume").ToFloat();
        VoiceVolume = ConsoleSystem.GetValue("voip_volume").ToFloat();
        AudioDevice = Sandbox.Internal.AudioSettings.GetActiveDevice().Id;
    }

    public void OnApply()
    {
        Sandbox.Internal.AudioSettings.SetActiveDevice((string)AudioDevice);
        ConsoleSystem.SetValue("volume", GlobalVolume);
        ConsoleSystem.SetValue("music_volume", MusicVolume);
        ConsoleSystem.SetValue("voip_volume", VoiceVolume);
    }
}