private void TestAddRemoveListenerImpl(Game game)
{
var audio = game.Audio;
var notAddedToEntityListener = new AudioListenerComponent();
var addedToEntityListener = new AudioListenerComponent();
// Add a listenerComponent not present in the entity system yet and check that it is correctly added to the AudioSystem internal data structures
Assert.DoesNotThrow(() => audio.AddListener(notAddedToEntityListener), "Adding a listener not present in the entity system failed");
Assert.IsTrue(audio.Listeners.ContainsKey(notAddedToEntityListener), "The list of listeners of AudioSystem does not contains the notAddedToEntityListener.");
// Add a listenerComponent already present in the entity system and check that it is correctly added to the AudioSystem internal data structures
var entity = new Entity("Test");
entity.Add(addedToEntityListener);
throw new NotImplementedException("TODO: UPDATE TO USE Scene and Graphics Composer");
//game.Entities.Add(entity);
Assert.DoesNotThrow(() => audio.AddListener(addedToEntityListener), "Adding a listener present in the entity system failed");
Assert.IsTrue(audio.Listeners.ContainsKey(addedToEntityListener), "The list of listeners of AudioSystem does not contains the addedToEntityListener.");
// Add a listenerComponent already added to audio System and check that it does not crash
Assert.DoesNotThrow(()=>audio.AddListener(addedToEntityListener), "Adding a listener already added to the audio system failed.");
// Remove the listeners from the AudioSystem and check that they are removed from internal data structures.
Assert.DoesNotThrow(() => audio.RemoveListener(notAddedToEntityListener), "Removing an listener not present in the entity system failed.");
Assert.IsFalse(audio.Listeners.ContainsKey(notAddedToEntityListener), "The list of listeners of AudioSystem still contains the notAddedToEntityListener.");
Assert.DoesNotThrow(() => audio.RemoveListener(addedToEntityListener), "Removing an listener present in the entity system fails");
Assert.IsFalse(audio.Listeners.ContainsKey(addedToEntityListener), "The list of listeners of AudioSystem still contains the addedToEntityListener.");
// Remove a listener not present in the AudioSystem anymore and check the thrown exception
Assert.Throws<ArgumentException>(() => audio.RemoveListener(addedToEntityListener), "Removing the a non-existing listener did not throw ArgumentException.");
}
/// <summary>
/// Remove a <see cref="AudioListenerComponent" /> from the Audio System.
/// After this call sounds played via <see cref="AudioEmitterSoundController" />s will not be heard by this listener anymore.
/// </summary>
/// <param name="listener">The listener to remove from the audio system.</param>
/// <exception cref="System.ArgumentException">The provided listener was not present in the Audio System.</exception>
public void RemoveListener(AudioListenerComponent listener)
{
if(!Listeners.ContainsKey(listener))
throw new ArgumentException("The provided listener was not present in the Audio System.");
Listeners.Remove(listener);
}
private void CreateAndComponentToEntities()
{
listComp1 = new AudioListenerComponent();
listComp2 = new AudioListenerComponent();
listComp1Entity.Add(listComp1);
listComp2Entity.Add(listComp2);
}
/// <summary>
/// Create an new instance of underlying sound, and register it in the controller's sound instance list.
/// </summary>
/// <returns>The new sound effect instance created</returns>
internal SoundInstance CreateSoundInstance(AudioListenerComponent listener, bool forget)
{
var newInstance = sound.CreateInstance(listener.Listener);
if (!forget)
{
InstanceToListener.Add(newInstance, listener);
}
return newInstance;
}
internal void DestroySoundInstances(AudioListenerComponent listener)
{
foreach (var instance in InstanceToListener.Keys)
{
instance.Dispose();
}
InstanceToListener.Clear();
for (var i = 0; i < FastInstances.Count; i++)
{
var instance = FastInstances[i];
if (instance.Listener == listener.Listener)
{
//Decrement the loop counter to iterate this index again, since later elements will get moved down during the remove operation.
FastInstances.RemoveAt(i--);
DestroySoundInstance(instance);
}
}
}
private void TestPlayStateSetup(Game game)
{
BuildEntityHierarchy();
CreateAndAddListenerComponentToEntities();
CreateAndAddEmitterComponentToEntities();
AddSoundEffectToEmitterComponents(game);
AddRootEntityToEntitySystem(game);
// add an extra listener.
var extraList = new AudioListenerComponent();
var extraListEntity = new Entity();
extraListEntity.Add(extraList);
Internal.Refactor.ThrowNotImplementedException("TODO: UPDATE TO USE Scene and Graphics Composer");
//game.Entities.Add(extraListEntity);
// check that PlayState always returns 'SoundPlayState.Stopped' when there are no listeners
mainController.Play();
Assert.AreEqual(SoundPlayState.Stopped, mainController.PlayState, "Value of playState without listeners is not valid after call to play.");
mainController.Pause();
Assert.AreEqual(SoundPlayState.Stopped, mainController.PlayState, "Value of playState without listeners is not valid after call to Pause.");
mainController.Stop();
Assert.AreEqual(SoundPlayState.Stopped, mainController.PlayState, "Value of playState without listeners is not valid after call to Stop.");
// check values with listeners
AddListenersToAudioSystem(game);
mainController.Play();
Assert.AreEqual(SoundPlayState.Playing, mainController.PlayState, "Value of playState with listeners is not valid after call to play.");
mainController.Pause();
Assert.AreEqual(SoundPlayState.Paused, mainController.PlayState, "Value of playState with listeners is not valid after call to Pause.");
mainController.Stop();
Assert.AreEqual(SoundPlayState.Stopped, mainController.PlayState, "Value of playState with listeners is not valid after call to Stop.");
mainController.Play();
Assert.AreEqual(SoundPlayState.Playing, mainController.PlayState, "Value of playState with listeners is not valid after a second call to play.");
mainController.Pause();
Assert.AreEqual(SoundPlayState.Paused, mainController.PlayState, "Value of playState with listeners is not valid after a second call to Pause.");
mainController.Play();
Assert.AreEqual(SoundPlayState.Playing, mainController.PlayState, "Value of playState with listeners is not valid after a third call to play.");
}
/// <summary>
/// Add and activate a <see cref="AudioListenerComponent" /> to the Audio System.
/// After this call sounds played via <see cref="AudioEmitterSoundController" />s will be heard by this listener.
/// </summary>
/// <param name="listener">The listener to add to the audio system.</param>
/// <remarks>Adding a listener already added as no effects.</remarks>
public void AddListener(AudioListenerComponent listener)
{
if(!Listeners.ContainsKey(listener))
Listeners[listener] = null;
}
