/// <summary>
///
/// </summary>
/// <param name="instance"></param>
/// <param name="position"></param>
/// <param name="soundPath"></param>
public SoundStage( SfxInstance instance, Vector3 position, float radius, string soundPath, bool looped, bool local )
: base(instance)
{
var sound = instance.sfxSystem.LoadSound( soundPath );
if (sound==null) {
return;
}
emitter = SfxInstance.sw.AllocEmitter();
emitter.Position = position;
emitter.DistanceScale = radius;
emitter.DopplerScale = 1;
emitter.VolumeCurve = null;
emitter.LocalSound = local;
emitter.PlaySound( sound, looped ? PlayOptions.Looped : PlayOptions.None );
}
/// <summary>
///
/// </summary>
/// <param name="listener"></param>
/// <param name="emitter"></param>
public void Apply3D(AudioListener listener, AudioEmitter emitter, int operationSet)
{
// If we have no voice then nothing to do.
if (_voice == null)
{
return;
}
// Convert from XNA Emitter to a SharpDX Emitter
var e = emitter.ToEmitter();
// Apply overall Doppler and distance scale :
e.DopplerScaler *= device.DopplerScale;
e.CurveDistanceScaler *= device.DistanceScale;
// Convert from XNA Listener to a SharpDX Listener
var l = listener.ToListener();
// Number of channels in the sound being played.
// Not actually sure if XNA supported 3D attenuation of sterio sounds, but X3DAudio does.
var srcChannelCount = 1;//_effect._format.Channels;
// Number of output channels.
var dstChannelCount = device.MasterVoice.VoiceDetails.InputChannelCount;
var flags = CalculateFlags.Matrix | CalculateFlags.Doppler /*| CalculateFlags.Reverb | CalculateFlags.LpfDirect*/;
// XNA supports distance attenuation and doppler.
var dspSettings = device.Device3D.Calculate(l, e, flags, srcChannelCount, dstChannelCount);
// Apply Volume settings (from distance attenuation) ...
_voice.SetOutputMatrix(device.MasterVoice, srcChannelCount, dstChannelCount, dspSettings.MatrixCoefficients, operationSet);
// USE: VoiceFlags.UseFilter !!!
// _voice.SetFilterParameters( ... );
// Apply Pitch settings (from doppler) ...
_voice.SetFrequencyRatio(dspSettings.DopplerFactor, operationSet);
}
/// <summary>
///
/// </summary>
/// <returns>True if the emitter is successfully found and removed; otherwise, false</returns>
public bool FreeEmitter ( AudioEmitter emitter )
{
emitter.StopSound(true);
return emitters.Remove(emitter);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public AudioEmitter AllocEmitter ()
{
var emitter = new AudioEmitter();
emitters.Add(emitter);
return emitter;
}
/// <summary>
///
/// </summary>
/// <returns>True if the emitter is successfully found and removed; otherwise, false</returns>
public bool FreeEmitter(AudioEmitter emitter)
{
emitter.StopSound(true);
return(emitters.Remove(emitter));
}
/// <summary>
///
/// </summary>
/// <param name="listener"></param>
/// <param name="emitter"></param>
public void Apply3D (AudioListener listener, AudioEmitter emitter, int operationSet)
{
// If we have no voice then nothing to do.
if (_voice == null)
return;
// Convert from XNA Emitter to a SharpDX Emitter
var e = emitter.ToEmitter();
// Apply overall Doppler and distance scale :
e.DopplerScaler *= device.DopplerScale;
e.CurveDistanceScaler *= device.DistanceScale;
// Convert from XNA Listener to a SharpDX Listener
var l = listener.ToListener();
// Number of channels in the sound being played.
// Not actually sure if XNA supported 3D attenuation of sterio sounds, but X3DAudio does.
var srcChannelCount = 1;//_effect._format.Channels;
// Number of output channels.
var dstChannelCount = device.MasterVoice.VoiceDetails.InputChannelCount;
var flags = CalculateFlags.Matrix | CalculateFlags.Doppler /*| CalculateFlags.Reverb | CalculateFlags.LpfDirect*/;
// XNA supports distance attenuation and doppler.
var dspSettings = device.Device3D.Calculate(l, e, flags, srcChannelCount, dstChannelCount);
// Apply Volume settings (from distance attenuation) ...
_voice.SetOutputMatrix(device.MasterVoice, srcChannelCount, dstChannelCount, dspSettings.MatrixCoefficients, operationSet);
// USE: VoiceFlags.UseFilter !!!
// _voice.SetFilterParameters( ... );
// Apply Pitch settings (from doppler) ...
_voice.SetFrequencyRatio(dspSettings.DopplerFactor, operationSet);
}
//public void Apply2D ( int operationSet )
//{
// _voice.SetFrequencyRatio(dspSettings.DopplerFactor, operationSet);
//}
/// <summary>
///
/// </summary>
/// <param name="listeners"></param>
/// <param name="emitter"></param>
public void Apply3D (AudioListener[] listeners,AudioEmitter emitter, int operationSet)
{
foreach ( var l in listeners )
Apply3D(l, emitter, operationSet);
}
