/// <summary>
/// Plays a sound effect.
/// </summary>
/// <param name="soundEffect">The sound effect to play.</param>
/// <param name="volume">A value from 0.0 (silent) to 1.0 (full volume) representing the sound effect's volume.</param>
/// <param name="pitch">A value from -1.0 (down one octave) to 1.0 (up one octave) indicating the sound effect's pitch adjustment.</param>
/// <param name="pan">A value from -1.0 (full left) to 1.0 (full right) representing the sound effect's panning position.</param>
/// <param name="loop">A value indicating whether to loop the sound effect.</param>
/// <returns>true if the sound effect began playing successfully; otherwise, false.</returns>
public override Boolean Play(SoundEffect soundEffect, Single volume, Single pitch, Single pan, Boolean loop = false)
{
Contract.EnsureNotDisposed(this, Disposed);
return PlayInternal(soundEffect, volume, pitch, pan, loop);
}
/// <summary>
/// Plays a sound effect.
/// </summary>
/// <param name="soundEffect">The sound effect to play.</param>
/// <param name="loop">A value indicating whether to loop the sound effect.</param>
/// <returns>true if the sound effect began playing successfully; otherwise, false.</returns>
public override Boolean Play(SoundEffect soundEffect, Boolean loop = false)
{
Contract.EnsureNotDisposed(this, Disposed);
return PlayInternal(soundEffect, 1f, 0f, 0f, loop);
}
/// <summary>
/// Plays a sound effect.
/// </summary>
private Boolean PlayInternal(SoundEffect soundEffect, Single volume, Single pitch, Single pan, Boolean loop = false)
{
Contract.EnsureNotDisposed(this, Disposed);
// Stop any sound that's already playing.
Stop();
// Retrieve the sample data from the sound effect.
Ultraviolet.ValidateResource(soundEffect);
var bassfx = (BASSSoundEffect)soundEffect;
var sample = bassfx.GetSampleData(out this.sampleData, out this.sampleInfo);
// Get a channel on which to play the sample.
channel = BASSNative.SampleGetChannel(sample, true);
if (!BASSUtil.IsValidHandle(channel))
{
var error = BASSNative.ErrorGetCode();
if (error == BASSNative.BASS_ERROR_NOCHAN)
{
return false;
}
throw new BASSException(error);
}
bassfx.SampleFreed += HandleSampleFreed;
// Set the channel's attributes.
if (pitch == 0)
{
BASSUtil.SetIsLooping(channel, loop);
BASSUtil.SetVolume(channel, MathUtil.Clamp(volume, 0f, 1f));
BASSUtil.SetPan(channel, MathUtil.Clamp(pan, -1f, 1f));
}
else
{
PromoteToStream(volume, MathUtil.Clamp(pitch, -1f, 1f), pan, loop);
}
// Play the channel.
if (!BASSNative.ChannelPlay(channel, true))
throw new BASSException();
return true;
}
/// <summary>
/// Releases any BASS resources being held by the player.
/// </summary>
private void Release()
{
if (stream != 0)
{
if (!BASSNative.StreamFree(stream))
throw new BASSException();
stream = 0;
}
if (sample != 0)
{
if (!BASSNative.SampleFree(sample))
throw new BASSException();
sample = 0;
}
channel = 0;
promoted = false;
playing = null;
}
/// <summary> /// Plays a <see cref="SoundEffect"/>. /// </summary> /// <param name="soundEffect">The <see cref="SoundEffect"/> to play.</param> /// <param name="volume">A value from 0.0 (silent) to 1.0 (full volume) representing the sound effect's volume.</param> /// <param name="pitch">A value from -1.0 (down one octave) to 1.0 (up one octave) indicating the sound effect's pitch adjustment.</param> /// <param name="pan">A value from -1.0 (full left) to 1.0 (full right) representing the sound effect's panning position.</param> /// <param name="loop">A value indicating whether to loop the sound effect.</param> /// <returns><see langword="true"/> if the sound effect began playing successfully; otherwise, <see langword="false"/>.</returns> public abstract Boolean Play(SoundEffect soundEffect, Single volume, Single pitch, Single pan, Boolean loop = false);
/// <summary> /// Plays a <see cref="SoundEffect"/>. /// </summary> /// <param name="soundEffect">The <see cref="SoundEffect"/> to play.</param> /// <param name="loop">A value indicating whether to loop the sound effect.</param> /// <returns><see langword="true"/> if the sound effect began playing successfully; otherwise, <see langword="false"/>.</returns> public abstract Boolean Play(SoundEffect soundEffect, Boolean loop = false);