示例#1
0
        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);
                }
            }
        }
示例#2
0
        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");
        }
示例#3
0
        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;
            }
        }
示例#4
0
        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;
            }
        }