/// <summary>
/// Pause the <see cref="SoundSource"/> object.
/// </summary>
/// <param name="source">The <see cref="SoundSource"/> to pause.</param>
public virtual void Pause(SoundSource source)
{
// Audio Device no longer active?
if (AudioDevice.IsDisposed)
{
throw new ObjectDisposedException("AudioDevice");
}
// Nothing to pause
if (source == null)
{
throw new ArgumentNullException("source");
}
// Ignore if sources is not listed or handle is not yet created
if (!_sources.Contains(source) || source.Handle <= 0)
{
return;
}
// Check whether the specified source has valid handle
bool valid = false;
ALChecker.Check(() => valid = AL.IsSource(source.Handle));
// ignore if its not valid
if (!valid)
{
return;
}
// Pause the sound
try
{
_pause.Invoke(source, null);
}
catch (Exception ex)
{
throw ex.InnerException;
}
}
/// <summary>
/// Stop playing the <see cref="SoundSource"/> object.
/// </summary>
/// <param name="source">The <see cref="SoundSource"/> to stop.</param>
public virtual void Stop(SoundSource source)
{
// Nothing to pause
if (source == null)
{
throw new ArgumentNullException("source");
}
// Ignore if sources is not listed or handle is not yet created
if (!_sources.Contains(source) || source.Handle <= 0)
{
return;
}
// Check whether the specified source has valid handle
bool valid = false;
ALChecker.Check(() => valid = AL.IsSource(source.Handle));
// ignore if its not valid
if (!valid)
{
return;
}
// Stop the sound
try
{
_stop.Invoke(source, null);
}
catch (Exception ex)
{
throw ex.InnerException;
}
// Force to remove the source
Update();
}
/// <summary>
/// Determines whether the specified <see cref="SoundSource"/> is in current <see cref="SoundGroup"/> object.
/// </summary>
/// <param name="source">The <see cref="SoundSource"/> to check.</param>
/// <returns><code>true</code> if the <see cref="SoundSource"/> exist, otherwise false.</returns>
public bool Contains(SoundSource source)
{
return _sources.Contains(source);
}
/// <summary>
/// Determines whether the specified <see cref="SoundSource"/> is in current <see cref="SoundGroup"/> object.
/// </summary>
/// <param name="source">The <see cref="SoundSource"/> to check.</param>
/// <returns><code>true</code> if the <see cref="SoundSource"/> exist, otherwise false.</returns>
public bool Contains(SoundSource source)
{
return(_sources.Contains(source));
}
/// <summary>
/// Stop playing the <see cref="SoundSource"/> object.
/// </summary>
/// <param name="source">The <see cref="SoundSource"/> to stop.</param>
public virtual void Stop(SoundSource source)
{
// Nothing to pause
if (source == null)
{
throw new ArgumentNullException("source");
}
// Ignore if sources is not listed or handle is not yet created
if (!_sources.Contains(source) || source.Handle <= 0)
{
return;
}
// Check whether the specified source has valid handle
bool valid = false;
ALChecker.Check(() => valid = AL.IsSource(source.Handle));
// ignore if its not valid
if (!valid)
return;
// Stop the sound
try
{
_stop.Invoke(source, null);
}
catch (Exception ex)
{
throw ex.InnerException;
}
// Force to remove the source
Update();
}
/// <summary>
/// Pause the <see cref="SoundSource"/> object.
/// </summary>
/// <param name="source">The <see cref="SoundSource"/> to pause.</param>
public virtual void Pause(SoundSource source)
{
// Audio Device no longer active?
if (AudioDevice.IsDisposed)
{
throw new ObjectDisposedException("AudioDevice");
}
// Nothing to pause
if (source == null)
{
throw new ArgumentNullException("source");
}
// Ignore if sources is not listed or handle is not yet created
if (!_sources.Contains(source) || source.Handle <= 0)
{
return;
}
// Check whether the specified source has valid handle
bool valid = false;
ALChecker.Check(() => valid = AL.IsSource(source.Handle));
// ignore if its not valid
if (!valid)
return;
// Pause the sound
try
{
_pause.Invoke(source, null);
}
catch (Exception ex)
{
throw ex.InnerException;
}
}
/// <summary>
/// Start or resume playing the <see cref="SoundSource"/> object.
/// </summary>
/// <param name="source">The <see cref="SoundSource"/> to play or resume.</param>
public virtual void Play(SoundSource source)
{
// Audio Device no longer active?
if (AudioDevice.IsDisposed)
{
throw new ObjectDisposedException("AudioDevice");
}
// Nothing to play?
if (source == null)
{
throw new ArgumentNullException("source");
}
// Check whether the number of playing sounds is exceed the limit
if (_sources.Count >= MAX_SOURCE_COUNT)
{
// Force to recycle unused source
Update();
// Check again if it exceed the limit
if (_sources.Count >= MAX_SOURCE_COUNT)
{
// It still exceed and throw the exception
throw new InvalidOperationException("Failed to play the source:\n" +
"The number of playing sources is exceed the limit.");
}
}
// Create the source handle, in case it is first call
bool valid = false;
ALChecker.Check(() => valid = AL.IsSource(source.Handle));
if (!valid)
{
int handle = 0;
ALChecker.Check(() => handle = AL.GenSource());
ALChecker.Check(() => AL.Source(handle, ALSourcei.Buffer, 0));
source.Handle = handle;
}
// Play the sound
try
{
_play.Invoke(source, null);
// Add to the list
_sources.Add(source);
}
catch (Exception ex)
{
throw ex.InnerException;
}
}
