public unsafe void Calculate(Listener listener, Emitter emitter, CalculateFlags flags, DspSettings* result)
{
Debug.Assert((flags & CalculateFlags.Delay) == 0 || (result->DelayTimesPointer != IntPtr.Zero), "When CalculateFlags.Delay is specified, DelayTimesPointer must point to float[DstChannelCount]");
Debug.Assert((flags & CalculateFlags.Matrix) == 0 || (result->MatrixCoefficientsPointer != IntPtr.Zero), "When CalculateFlags.Matrix is specified, MatrixCoefficientsPointer must point to float[SrcChannelCount*DstChannelCount]");
Cone emitterCone;
Emitter.Native nativeEmitter = new Emitter.Native();
Cone listenerCone;
Listener.Native nativeListener = new Listener.Native();
{
if (emitter.Cone.HasValue)
{
emitterCone = emitter.Cone.Value;
nativeEmitter.ConePointer = new IntPtr(&emitterCone);
}
else
{
nativeEmitter.ConePointer = IntPtr.Zero;
}
nativeEmitter.OrientFront = emitter.OrientFront;
nativeEmitter.OrientTop = emitter.OrientTop;
nativeEmitter.Position = emitter.Position;
nativeEmitter.Velocity = emitter.Velocity;
nativeEmitter.InnerRadius = emitter.InnerRadius;
nativeEmitter.InnerRadiusAngle = emitter.InnerRadiusAngle;
nativeEmitter.ChannelCount = emitter.ChannelCount;
nativeEmitter.ChannelRadius = emitter.ChannelRadius;
nativeEmitter.ChannelAzimuthsPointer = emitter.ChannelAzimuths.ToPointer();
nativeEmitter.VolumeCurvePointer = emitter.VolumeCurve.ToPointer();
nativeEmitter.LFECurvePointer = emitter.LFECurve.ToPointer();
nativeEmitter.LPFDirectCurvePointer = emitter.LPFDirectCurve.ToPointer();
nativeEmitter.LPFReverbCurvePointer = emitter.LPFReverbCurve.ToPointer();
nativeEmitter.ReverbCurvePointer = emitter.ReverbCurve.ToPointer();
nativeEmitter.CurveDistanceScaler = emitter.CurveDistanceScaler;
nativeEmitter.DopplerScaler = emitter.DopplerScaler;
if (listener.Cone.HasValue)
{
listenerCone = listener.Cone.Value;
nativeListener.ConePointer = new IntPtr(&listenerCone);
}
else
{
nativeListener.ConePointer = IntPtr.Zero;
}
nativeListener.OrientFront = listener.OrientFront;
nativeListener.OrientTop = listener.OrientTop;
nativeListener.Position = listener.Position;
nativeListener.Velocity = listener.Velocity;
fixed (X3DAudioHandle* handle = &m_x3dAudioHandle)
{
X3DAudioCalculate_(handle, &nativeListener, &nativeEmitter, (int)flags, result);
}
}
}
public void LoadData(MyAudioInitParams initParams, ListReader<MySoundData> sounds, ListReader<MyAudioEffect> effects)
{
MyLog.Default.WriteLine("MyAudio.LoadData - START");
MyLog.Default.IncreaseIndent();
m_initParams = initParams;
m_sounds = sounds;
m_effects = effects;
m_canPlay = true;
try
{
if (sounds.Count > 0)
{
Init();
}
else
{
MyLog.Default.WriteLine("Unable to load audio data. Game continues, but without sound", LoggingOptions.AUDIO);
m_canPlay = false;
}
}
catch (Exception ex)
{
MyLog.Default.WriteLine("Exception during loading audio engine. Game continues, but without sound. Details: " + ex.ToString(), LoggingOptions.AUDIO);
MyLog.Default.WriteLine("Device ID: " + m_deviceDetails.DeviceID, LoggingOptions.AUDIO);
MyLog.Default.WriteLine("Device name: " + m_deviceDetails.DisplayName, LoggingOptions.AUDIO);
MyLog.Default.WriteLine("Device role: " + m_deviceDetails.Role, LoggingOptions.AUDIO);
MyLog.Default.WriteLine("Output format: " + m_deviceDetails.OutputFormat, LoggingOptions.AUDIO);
// This exception is the only way I can know if we can play sound (e.g. if computer doesn't have sound card).
// I didn't find other ways of checking it.
m_canPlay = false;
}
if (m_initParams.SimulateNoSoundCard)
m_canPlay = false;
if (m_canPlay)
{
m_cueBank = new MyCueBank(m_audioEngine, sounds);
m_cueBank.UseSameSoundLimiter = m_useSameSoundLimiter;
m_cueBank.SetSameSoundLimiter();
m_cueBank.DisablePooling = initParams.DisablePooling;
m_effectBank = new MyEffectBank(effects, m_audioEngine);
m_3Dsounds = new List<IMy3DSoundEmitter>();
m_listener = new Listener();
m_listener.SetDefaultValues();
m_helperEmitter = new Emitter();
m_helperEmitter.SetDefaultValues();
m_musicOn = true;
m_gameSoundsOn = true;
m_musicAllowed = true;
if ((m_musicCue != null) && m_musicCue.IsPlaying)
{
// restarts music cue
m_musicCue = PlaySound(m_musicCue.CueEnum);
if (m_musicCue != null)
{
m_musicCue.SetOutputVoices(m_musicAudioVoiceDesc);
m_musicAudioVoice.SetVolume(m_volumeMusic);
}
UpdateMusic(0);
}
else
{
m_musicState = MyMusicState.Stopped;
}
m_loopMusic = true;
m_transitionForward = false;
m_timeFromTransitionStart = 0;
m_soundInstancesTotal2D = 0;
m_soundInstancesTotal3D = 0;
}
MyLog.Default.DecreaseIndent();
MyLog.Default.WriteLine("MyAudio.LoadData - END");
}
public float Apply3D(SourceVoice voice, Listener listener, Emitter emitter, int srcChannels, int dstChannels, CalculateFlags flags, float maxDistance, float frequencyRatio, bool silent)
{
unsafe
{
DspSettings settings;
int matrixCoefficientCount = srcChannels * dstChannels;
float* matrixCoefficients = stackalloc float[matrixCoefficientCount];
float* delay = stackalloc float[dstChannels];
settings.SrcChannelCount = srcChannels;
settings.DstChannelCount = dstChannels;
settings.MatrixCoefficientsPointer = new IntPtr(matrixCoefficients);
settings.DelayTimesPointer = new IntPtr(delay);
Calculate(listener, emitter, flags, &settings);
if (emitter.InnerRadius == 0f)
{
// approximated decay by distance
float decay;
if (silent)
decay = 0f;
else
decay = MathHelper.Clamp(1f - settings.EmitterToListenerDistance / maxDistance, 0f, 1f);
for (int i = 0; i < matrixCoefficientCount; i++)
{
matrixCoefficients[i] *= decay;
}
}
voice.SetOutputMatrix(null, settings.SrcChannelCount, settings.DstChannelCount, matrixCoefficients);
voice.SetFrequencyRatio(frequencyRatio * settings.DopplerFactor);
return settings.EmitterToListenerDistance;
}
}
public float Apply3D(SourceVoice voice, Listener listener, Emitter emitter, int srcChannels, int dstChannels, CalculateFlags flags, float maxDistance, float frequencyRatio, bool silent, bool use3DCalculation = true)
{
unsafe
{
DspSettings settings;
int matrixCoefficientCount = srcChannels * dstChannels;
float* matrixCoefficients = stackalloc float[matrixCoefficientCount];
float* delay = stackalloc float[dstChannels];
settings.SrcChannelCount = srcChannels;
settings.DstChannelCount = dstChannels;
settings.MatrixCoefficientsPointer = new IntPtr(matrixCoefficients);
settings.DelayTimesPointer = new IntPtr(delay);
if (use3DCalculation)
{
Calculate(listener, emitter, flags, &settings);
voice.SetFrequencyRatio(frequencyRatio * settings.DopplerFactor);
}
else
{ //realistic sounds
settings.EmitterToListenerDistance = Vector3.Distance(new Vector3(listener.Position.X, listener.Position.Y, listener.Position.Z), new Vector3(emitter.Position.X, emitter.Position.Y, emitter.Position.Z));
for(int i = 0; i < matrixCoefficientCount; i++)
matrixCoefficients[i] = 1f;
}
if (emitter.InnerRadius == 0f)
{
// approximated decay by distance
float decay;
if (silent)
decay = 0f;
else
decay = MathHelper.Clamp(1f - settings.EmitterToListenerDistance / maxDistance, 0f, 1f);
for (int i = 0; i < matrixCoefficientCount; i++)
{
matrixCoefficients[i] *= decay;
}
}
#if !XB1
voice.SetOutputMatrix(null, settings.SrcChannelCount, settings.DstChannelCount, matrixCoefficients);
#else // XB1
var matCoefs = new float[matrixCoefficientCount];
for (int i = 0; i < matrixCoefficientCount; i++)
matCoefs[i] = matrixCoefficients[i];
voice.SetOutputMatrix(null, settings.SrcChannelCount, settings.DstChannelCount, matCoefs);
#endif // XB1
return settings.EmitterToListenerDistance;
}
}
