/// <summary>
/// Initializes a new instance of the <see cref="SunBurnSound"/> class.
/// </summary>
/// <param name="nativeSound">The native sound.</param>
public XenkoSound(object nativeSound)
: base(nativeSound)
{
sound = nativeSound as Sound;
if (sound != null)
{
soundInstance = sound.CreateInstance();
}
}
public override void Start()
{
base.Start();
triggeredEvent = (Trigger != null) ? new EventReceiver<bool>(Trigger.TriggerEvent) : null;
sfxInstance = SoundEffect?.CreateInstance();
sfxInstance?.Stop();
}
/// <summary>
/// Sub classes can implement their own streaming sources.
/// </summary>
/// <param name="soundInstance">the sound instance associated.</param>
/// <param name="numberOfBuffers">the size of the streaming ring-buffer.</param>
/// <param name="maxBufferSizeBytes">the maximum size of each buffer.</param>
protected DynamicSoundSource(SoundInstance soundInstance, int numberOfBuffers, int maxBufferSizeBytes)
{
prebufferedTarget = (int)Math.Ceiling(numberOfBuffers/(double)3);
SoundInstance = soundInstance;
for (var i = 0; i < numberOfBuffers; i++)
{
var buffer = AudioLayer.BufferCreate(maxBufferSizeBytes);
deviceBuffers.Add(buffer);
freeBuffers.Enqueue(deviceBuffers[i]);
}
}
public override async Task Execute()
{
music = SoundMusic.CreateInstance();
if (!IsLiveReloading)
{
// start ambient music
music.IsLooping = true;
music.Play();
}
while (Game.IsRunning)
{
// wait for next frame
await Script.NextFrame();
}
}
/// <summary>
/// This type of DynamicSoundSource is streamed from Disk and reads compressed Celt encoded data, used internally.
/// </summary>
/// <param name="instance">The associated SoundInstance</param>
/// <param name="soundStreamUrl">The compressed stream internal URL</param>
/// <param name="numberOfPackets"></param>
/// <param name="sampleRate">The sample rate of the compressed data</param>
/// <param name="channels">The number of channels of the compressed data</param>
/// <param name="maxCompressedSize">The maximum size of a compressed packet</param>
public CompressedSoundSource(SoundInstance instance, string soundStreamUrl, int numberOfPackets, int sampleRate, int channels, int maxCompressedSize) : base(instance, NumberOfBuffers, SamplesPerBuffer * MaxChannels * sizeof(short))
{
looped = instance.IsLooping;
this.channels = channels;
this.maxCompressedSize = maxCompressedSize;
this.soundStreamUrl = soundStreamUrl;
this.sampleRate = sampleRate;
this.numberOfPackets = numberOfPackets;
playRange = new PlayRange(TimeSpan.Zero, TimeSpan.Zero);
if (readFromDiskWorker == null)
{
readFromDiskWorker = Task.Factory.StartNew(Worker, TaskCreationOptions.LongRunning);
}
NewSources.Add(this);
}
/// <summary>
/// Register a new instance to the soundEffect.
/// </summary>
/// <param name="instance">new instance to register.</param>
private void RegisterInstance(SoundInstance instance)
{
Instances.Add(instance);
}
/// <summary>
/// Pauses this instance.
/// </summary>
public override void Pause()
{
if (sound == null)
{
return;
}
if (soundInstance == null)
{
soundInstance = sound.CreateInstance();
}
soundInstance.Pause();
}
internal void DestroySoundInstance(SoundInstance instance)
{
instance.Dispose();
InstanceToListener.Remove(instance);
}
internal void DestroySoundInstance(SoundInstance instance)
{
instance.Dispose();
InstanceToListener.Remove(instance);
}
public override void Draw(RenderContext context)
{
base.Draw(context);
foreach (var associatedData in ComponentDatas.Values)
{
var emitter = associatedData.AudioEmitter;
var worldMatrix = associatedData.TransformComponent.WorldMatrix;
var pos = worldMatrix.TranslationVector;
if (!associatedData.AudioEmitterComponent.ShouldBeProcessed)
{
// to be sure to have a valid velocity at any time we are forced to affect position even if Component need not to be processed.
emitter.Position = pos;
continue;
}
// First update the emitter data if required.
emitter.Velocity = pos - emitter.Position;
emitter.Position = pos;
emitter.Forward = Vector3.Normalize((Vector3)worldMatrix.Row3);
emitter.Up = Vector3.Normalize((Vector3)worldMatrix.Row2);
// Then apply 3D localization
var performedAtLeastOneApply = false;
foreach (var controller in associatedData.AudioEmitterComponent.SoundToController.Values)
{
foreach (var listenerComponent in audioSystem.Listeners.Keys)
{
//todo this will be improved when we make Sound behave more like Animations
SoundInstance instance = null;
foreach (var v in controller.InstanceToListener)
{
if (v.Value != listenerComponent)
{
continue;
}
instance = v.Key;
break;
}
if (instance == null)
{
continue;
}
if (!listenerComponent.Enabled)
{
instance.Stop();
continue;
}
// Apply3D localization
if (instance.PlayState == SoundPlayState.Playing || controller.ShouldBePlayed)
{
instance.Apply3D(emitter);
performedAtLeastOneApply = true;
}
//Apply parameters
if (instance.Volume != controller.Volume)
{
instance.Volume = controller.Volume; // ensure that instance volume is valid
}
if (instance.IsLooped != controller.IsLooped)
{
instance.IsLooped = controller.IsLooped;
}
//Play if stopped
if (instance.PlayState != SoundPlayState.Playing && controller.ShouldBePlayed)
{
instance.Play(false);
}
}
}
associatedData.AudioEmitterComponent.ShouldBeProcessed = performedAtLeastOneApply;
}
}
/// <summary>
/// Create a new sound effect instance of the sound effect.
/// The audio data are shared between the instances so that useless memory copies is avoided.
/// Each instance that can be played and localized independently from others.
/// </summary>
/// <returns>A new sound instance</returns>
/// <exception cref="ObjectDisposedException">The sound has already been disposed</exception>
public SoundInstance CreateInstance(AudioListener listener = null, bool forceLoadInMemory = false)
{
if (listener == null)
{
listener = AudioEngine.DefaultListener;
}
CheckNotDisposed();
var newInstance = new SoundInstance(this, listener, forceLoadInMemory) { Name = Name + " - Instance " + intancesCreationCount };
RegisterInstance(newInstance);
++intancesCreationCount;
return newInstance;
}
/// <summary>
/// Register a new instance to the soundEffect.
/// </summary>
/// <param name="instance">new instance to register.</param>
private void RegisterInstance(SoundInstance instance)
{
Instances.Add(instance);
}
/// <summary>
/// Unregister a disposed Instance.
/// </summary>
/// <param name="instance"></param>
internal void UnregisterInstance(SoundInstance instance)
{
if (!Instances.Remove(instance))
throw new AudioSystemInternalException("Tried to unregister soundEffectInstance while not contained in the instance list.");
}
/// <summary>
/// Stop all registered instances different from the provided main instance
/// </summary>
/// <param name="mainInstance">The main instance of the sound effect</param>
internal void StopConcurrentInstances(SoundInstance mainInstance)
{
foreach (var instance in Instances)
{
if (instance != mainInstance)
instance.Stop();
}
}
