/// <summary>
/// Initializes a new instance of the <see cref="SoundInstance"/> class using a dynamic sound source.
/// </summary>
/// <param name="engine">The audio engine that will be used to play this instance</param>
/// <param name="listener">The listener of this instance</param>
/// <param name="dynamicSoundSource">The source from where the PCM data will be fetched</param>
/// <param name="sampleRate">The sample rate of this audio stream</param>
/// <param name="mono">Set to true if the souce is mono, false if stereo</param>
/// <param name="spatialized">If the SoundInstance will be used for spatialized audio set to true, if not false, if true mono must also be true</param>
/// <param name="useHrtf">If the engine should use Hrtf for spatialization</param>
/// <param name="directionalFactor"></param>
/// <param name="environment"></param>
public SoundInstance(AudioEngine engine, AudioListener listener, DynamicSoundSource dynamicSoundSource, int sampleRate, bool mono, bool spatialized = false, bool useHrtf = false, float directionalFactor = 0.0f, HrtfEnvironment environment = HrtfEnvironment.Small)
{
Listener = listener;
this.engine = engine;
this.spatialized = spatialized;
soundSource = dynamicSoundSource;
if (engine.State == AudioEngineState.Invalidated)
{
return;
}
Source = AudioLayer.SourceCreate(listener.Listener, sampleRate, dynamicSoundSource.MaxNumberOfBuffers, mono, spatialized, true, useHrtf, directionalFactor, environment);
if (Source.Ptr == IntPtr.Zero)
{
throw new Exception("Failed to create an AudioLayer Source");
}
ResetStateToDefault();
}
public override void Initialize()
{
base.Initialize();
lock (AudioEngineStaticLock)
{
if (audioEngineSingleton == null)
{
var settings = Services.GetService <IGameSettingsService>()?.Settings?.Configurations?.Get <AudioEngineSettings>();
audioEngineSingleton = AudioEngineFactory.NewAudioEngine(RequestedAudioDevice, settings != null && settings.HrtfSupport ? AudioLayer.DeviceFlags.Hrtf : AudioLayer.DeviceFlags.None);
}
else
{
((IReferencable)audioEngineSingleton).AddReference();
}
AudioEngine = audioEngineSingleton;
}
Game.Activated += OnActivated;
Game.Deactivated += OnDeactivated;
}
public AudioListener(AudioEngine engine)
{
if (engine.State == AudioEngineState.Invalidated)
{
return;
}
#if XENKO_PLATFORM_IOS
if (engine.DefaultListener == null)
{
Listener = AudioLayer.ListenerCreate(engine.AudioDevice);
AudioLayer.ListenerEnable(Listener);
}
else
{
Listener = engine.DefaultListener.Listener;
}
#else
Listener = AudioLayer.ListenerCreate(engine.AudioDevice);
AudioLayer.ListenerEnable(Listener);
#endif
}
private void OnDeactivated(object sender, EventArgs e)
{
// pause the audio
AudioEngine.PauseAudio();
AudioEngine.Update(); // force the update of the audio to pause the Musics
}
private void OnActivated(object sender, EventArgs e)
{
// resume the audio
AudioEngine.ResumeAudio();
}
public override void Update(GameTime gameTime)
{
AudioEngine.Update();
}