public SoundEffectInstance GenerateInstance( double soundVolume, float soundPitch, int currentLoop ) { if (currentLoop > INTERNAL_loopCount && INTERNAL_loopCount != 255) { // We've finished all the loops! return(null); } INTERNAL_getNextSound(); SoundEffectInstance result = INTERNAL_waves[INTERNAL_curWave].CreateInstance(); result.INTERNAL_isXACTSource = true; result.Volume = XACTCalculator.CalculateAmplitudeRatio( soundVolume + ( random.NextDouble() * (INTERNAL_maxVolume - INTERNAL_minVolume) ) + INTERNAL_minVolume ); result.Pitch = ( random.Next( INTERNAL_minPitch, INTERNAL_maxPitch ) / 1000.0f ) + soundPitch; result.FilterType = INTERNAL_filterType; result.IsLooped = !INTERNAL_variationOnLoop && (INTERNAL_loopCount == 255); return(result); }
public SoundEffectInstance GenerateInstance( double soundVolume, float soundPitch ) { INTERNAL_getNextSound(); SoundEffectInstance result = INTERNAL_waves[INTERNAL_curWave].CreateInstance(); result.INTERNAL_isXACTSource = true; result.INTERNAL_delayMS = Timestamp; result.Volume = XACTCalculator.CalculateAmplitudeRatio( soundVolume + ( random.NextDouble() * (INTERNAL_maxVolume - INTERNAL_minVolume) ) + INTERNAL_minVolume ); result.Pitch = ( random.Next( INTERNAL_minPitch, INTERNAL_maxPitch ) / 1000.0f ) + soundPitch; result.FilterType = INTERNAL_filterType; // FIXME: Better looping! result.IsLooped = (INTERNAL_loopCount == 255); return(result); }
internal float INTERNAL_calculateVolume() { float retval = 1.0f; for (int i = 0; i < INTERNAL_activeSound.RPCCodes.Count; i += 1) { foreach (uint curCode in INTERNAL_activeSound.RPCCodes[i]) { RPC curRPC = INTERNAL_baseEngine.INTERNAL_getRPC(curCode); if (curRPC.Parameter != RPCParameter.Volume) { continue; } float result; if (!INTERNAL_baseEngine.INTERNAL_isGlobalVariable(curRPC.Variable)) { result = curRPC.CalculateRPC(GetVariable(curRPC.Variable)); } else { // It's a global variable we're looking for! result = curRPC.CalculateRPC( INTERNAL_baseEngine.GetGlobalVariable( curRPC.Variable ) ); } retval *= XACTCalculator.CalculateAmplitudeRatio(result / 100.0); } } return(retval); }
public void SetReverbHighEQGain(IALReverb reverb, float value) { EFX.alEffectf( (reverb as OpenALReverb).EffectHandle, EFX.AL_EAXREVERB_GAINHF, XACTCalculator.CalculateAmplitudeRatio( value - 8.0f ) ); }
public void SetHighEQGain(float value) { EFX.alEffectf( effectHandle, EFX.AL_EAXREVERB_GAINHF, XACTCalculator.CalculateAmplitudeRatio( value - 8.0f ) ); }
public SoundEffectInstance GenerateInstance( double soundVolume, float soundPitch, int currentLoop, float?prevVolume, float?prevPitch ) { if (currentLoop > INTERNAL_loopCount && INTERNAL_loopCount != 255) { // We've finished all the loops! return(null); } INTERNAL_getNextSound(); SoundEffectInstance result = INTERNAL_waves[INTERNAL_curWave].CreateInstance(); result.INTERNAL_isXACTSource = true; if (INTERNAL_volumeVariationAdd && currentLoop > 0) { result.Volume = prevVolume.Value + XACTCalculator.CalculateAmplitudeRatio( random.NextDouble() * (INTERNAL_maxVolume - INTERNAL_minVolume) + INTERNAL_minVolume ); } else { result.Volume = XACTCalculator.CalculateAmplitudeRatio( soundVolume + ( random.NextDouble() * (INTERNAL_maxVolume - INTERNAL_minVolume) ) + INTERNAL_minVolume ); } result.Pitch = ( random.Next( INTERNAL_minPitch, INTERNAL_maxPitch ) / 1000.0f ) + ((INTERNAL_pitchVariationAdd && currentLoop > 0) ? prevPitch.Value : soundPitch ); result.FilterType = INTERNAL_filterType; result.IsLooped = ( (INTERNAL_loopCount == 255) && !INTERNAL_trackVariationOnLoop && !INTERNAL_volumeVariationOnLoop && !INTERNAL_pitchVariationOnLoop ); return(result); }
public void SetReverbGain(IALReverb reverb, float value) { // Cutting off volumes from 0db to 20db! -flibit EFX.alEffectf( (reverb as OpenALReverb).EffectHandle, EFX.AL_EAXREVERB_GAIN, Math.Min( XACTCalculator.CalculateAmplitudeRatio(value), 1.0f ) ); }
public void SetReverbReflectionsGain(IALReverb reverb, float value) { // Cutting off possible float values above 3.16, for EFX -flibit EFX.alEffectf( (reverb as OpenALReverb).EffectHandle, EFX.AL_EAXREVERB_REFLECTIONS_GAIN, Math.Min( XACTCalculator.CalculateAmplitudeRatio(value), 3.16f ) ); }
public void SetReverbHighEQGain(IALReverb reverb, float value) { EFX.alEffectf( (reverb as OpenALReverb).EffectHandle, EFX.AL_EAXREVERB_GAINHF, XACTCalculator.CalculateAmplitudeRatio( value - 8.0f ) ); #if VERBOSE_AL_DEBUGGING CheckALError(); #endif }
public void SetLowEQGain(float value) { // Cutting off volumes from 0db to 4db! -flibit EFX.alEffectf( effectHandle, EFX.AL_EAXREVERB_GAINLF, Math.Min( XACTCalculator.CalculateAmplitudeRatio( value - 8.0f ), 1.0f ) ); }
public void SetReverbLowEQGain(IALReverb reverb, float value) { // Cutting off volumes from 0db to 4db! -flibit EFX.alEffectf( (reverb as OpenALReverb).EffectHandle, EFX.AL_EAXREVERB_GAINLF, Math.Min( XACTCalculator.CalculateAmplitudeRatio( value - 8.0f ), 1.0f ) ); #if VERBOSE_AL_DEBUGGING CheckALError(); #endif }
public AudioEngine(string settingsFile) { if (String.IsNullOrEmpty(settingsFile)) { throw new ArgumentNullException("settingsFile"); } using (Stream stream = TitleContainer.OpenStream(settingsFile)) using (BinaryReader reader = new BinaryReader(stream)) { // Check the file header. Should be 'XGSF' if (reader.ReadUInt32() != 0x46534758) { throw new ArgumentException("XGSF format not recognized!"); } // Check the Content and Tool versions if (reader.ReadUInt16() != ContentVersion) { throw new ArgumentException("XGSF Content version!"); } if (reader.ReadUInt16() != 42) { throw new ArgumentException("XGSF Tool version!"); } // Unknown value reader.ReadUInt16(); // Last Modified, Unused reader.ReadUInt64(); // XACT Version, Unused reader.ReadByte(); // Number of AudioCategories ushort numCategories = reader.ReadUInt16(); // Number of XACT Variables ushort numVariables = reader.ReadUInt16(); // KEY#1 Length /*ushort numKeyOne =*/ reader.ReadUInt16(); // KEY#2 Length /*ushort numKeyTwo =*/ reader.ReadUInt16(); // Number of RPC Variables ushort numRPCs = reader.ReadUInt16(); // Number of DSP Presets/Parameters ushort numDSPPresets = reader.ReadUInt16(); ushort numDSPParameters = reader.ReadUInt16(); // Category Offset in XGS File uint categoryOffset = reader.ReadUInt32(); // Variable Offset in XGS File uint variableOffset = reader.ReadUInt32(); // KEY#1 Offset /*uint keyOneOffset =*/ reader.ReadUInt32(); // Category Name Index Offset, unused reader.ReadUInt32(); // KEY#2 Offset /*uint keyTwoOffset =*/ reader.ReadUInt32(); // Variable Name Index Offset, unused reader.ReadUInt32(); // Category Name Offset in XGS File uint categoryNameOffset = reader.ReadUInt32(); // Variable Name Offset in XGS File uint variableNameOffset = reader.ReadUInt32(); // RPC Variable Offset in XGS File uint rpcOffset = reader.ReadUInt32(); // DSP Preset/Parameter Offsets in XGS File uint dspPresetOffset = reader.ReadUInt32(); uint dspParameterOffset = reader.ReadUInt32(); /* Unknown table #1 * reader.BaseStream.Seek(keyOneOffset, SeekOrigin.Begin); * for (int i = 0; i < numKeyOne; i += 1) * { * // Appears to consistently be 16 shorts? * System.Console.WriteLine(reader.ReadInt16()); * } * /* OhGodNo * 1, -1, 4, -1, * 3, -1, -1, 7, * -1, 2, 5, -1, * 6, 0, -1, -1 * * Naddachance * 1, -1, 4, -1, * 5, -1, -1, -1, * -1, 2, -1, -1, * 3, 0, -1, -1 * * TFA * 1, -1, -1, -1, * -1, -1, -1, -1, * -1, 2, -1, -1, * -1, -0, -1, -1 */ /* Unknown table #2 * reader.BaseStream.Seek(keyTwoOffset, SeekOrigin.Begin); * for (int i = 0; i < numKeyTwo; i += 1) * { * // Appears to be between 16-20 shorts? * System.Console.WriteLine(reader.ReadInt16()); * } * /* OhGodNo * 2, 7, 1, -1, * -1, 10, 19, -1, * 11, 3, -1, -1, * 8, -1, 14, 5, * 12, 0, 4, 6 * * Naddachance * 2, 3, -1, -1, * 9, -1, 7, -1, * 10, 0, 1, 5, * -1, -1, -1, -1 * * TFA * 2, 3, -1, -1, * -1, -1, -1, -1, * -1, 0, 1, 5, * -1, -1, -1, -1 */ // Obtain the Audio Category Names reader.BaseStream.Seek(categoryNameOffset, SeekOrigin.Begin); string[] categoryNames = new string[numCategories]; for (int i = 0; i < numCategories; i += 1) { List <char> builtString = new List <char>(); while (reader.PeekChar() != 0) { builtString.Add(reader.ReadChar()); } reader.ReadChar(); // Null terminator categoryNames[i] = new string(builtString.ToArray()); } // Obtain the Audio Categories reader.BaseStream.Seek(categoryOffset, SeekOrigin.Begin); INTERNAL_categories = new List <AudioCategory>(); for (int i = 0; i < numCategories; i += 1) { // Maximum instances byte maxInstances = reader.ReadByte(); // Fade In/Out ushort fadeInMS = reader.ReadUInt16(); ushort fadeOutMS = reader.ReadUInt16(); // Instance Behavior Flags byte instanceFlags = reader.ReadByte(); int fadeType = instanceFlags & 0x07; int maxBehavior = instanceFlags >> 3; // Parent Category short parent = reader.ReadInt16(); // Volume float volume = XACTCalculator.CalculateAmplitudeRatio( XACTCalculator.ParseDecibel( reader.ReadByte() ) ); // Visibility Flags, unused reader.ReadByte(); // Add to the engine list and the parent category INTERNAL_categories.Add( new AudioCategory( categoryNames[i], volume, maxInstances, maxBehavior, fadeInMS, fadeOutMS, fadeType ) ); if (parent != -1) { INTERNAL_categories[parent].subCategories.Add( INTERNAL_categories[i] ); } } // Obtain the Variable Names reader.BaseStream.Seek(variableNameOffset, SeekOrigin.Begin); string[] variableNames = new string[numVariables]; for (int i = 0; i < numVariables; i += 1) { List <char> builtString = new List <char>(); while (reader.PeekChar() != 0) { builtString.Add(reader.ReadChar()); } reader.ReadChar(); // Null terminator variableNames[i] = new string(builtString.ToArray()); } // Obtain the Variables reader.BaseStream.Seek(variableOffset, SeekOrigin.Begin); INTERNAL_variables = new List <Variable>(); for (int i = 0; i < numVariables; i += 1) { // Variable Accessibility (See Variable constructor) byte varFlags = reader.ReadByte(); // Variable Value, Boundaries float initialValue = reader.ReadSingle(); float minValue = reader.ReadSingle(); float maxValue = reader.ReadSingle(); // Add to the engine list INTERNAL_variables.Add( new Variable( variableNames[i], (varFlags & 0x01) != 0, (varFlags & 0x02) != 0, (varFlags & 0x04) == 0, (varFlags & 0x08) != 0, initialValue, minValue, maxValue ) ); } // Obtain the RPC Curves reader.BaseStream.Seek(rpcOffset, SeekOrigin.Begin); INTERNAL_RPCs = new Dictionary <long, RPC>(); for (int i = 0; i < numRPCs; i += 1) { // RPC "Code", used by the SoundBanks long rpcCode = reader.BaseStream.Position; // RPC Variable ushort rpcVariable = reader.ReadUInt16(); // Number of RPC Curve Points byte numPoints = reader.ReadByte(); // RPC Parameter ushort rpcParameter = reader.ReadUInt16(); // RPC Curve Points RPCPoint[] rpcPoints = new RPCPoint[numPoints]; for (byte j = 0; j < numPoints; j += 1) { float x = reader.ReadSingle(); float y = reader.ReadSingle(); byte type = reader.ReadByte(); rpcPoints[j] = new RPCPoint( x, y, (RPCPointType)type ); } // Add to the engine list INTERNAL_RPCs.Add( rpcCode, new RPC( INTERNAL_variables[rpcVariable].Name, rpcParameter, rpcPoints ) ); } // Obtain the DSP Parameters reader.BaseStream.Seek(dspParameterOffset, SeekOrigin.Begin); INTERNAL_dspParameters = new List <DSPParameter>(); for (int i = 0; i < numDSPParameters; i += 1) { // Effect Parameter Type byte type = reader.ReadByte(); // Effect value, boundaries float value = reader.ReadSingle(); float minVal = reader.ReadSingle(); float maxVal = reader.ReadSingle(); // Unknown value reader.ReadUInt16(); // Add to Parameter list INTERNAL_dspParameters.Add( new DSPParameter( type, value, minVal, maxVal ) ); } // Obtain the DSP Presets reader.BaseStream.Seek(dspPresetOffset, SeekOrigin.Begin); INTERNAL_dspPresets = new Dictionary <long, DSPPreset>(); int total = 0; for (int i = 0; i < numDSPPresets; i += 1) { // DSP "Code", used by the SoundBanks long dspCode = reader.BaseStream.Position; // Preset Accessibility bool global = (reader.ReadByte() == 1); // Number of preset parameters uint numParams = reader.ReadUInt32(); // Obtain DSP Parameters DSPParameter[] parameters = new DSPParameter[numParams]; for (uint j = 0; j < numParams; j += 1) { parameters[j] = INTERNAL_dspParameters[total]; total += 1; } // Add to DSP Preset list INTERNAL_dspPresets.Add( dspCode, new DSPPreset( global, parameters ) ); } } // Create the WaveBank Dictionary INTERNAL_waveBanks = new Dictionary <string, WaveBank>(); // Finally. IsDisposed = false; }
public XACTClip(BinaryReader reader, double clipVolume, byte filterType) { // Number of XACT Events Events = new XACTEvent[reader.ReadByte()]; for (int i = 0; i < Events.Length; i += 1) { // Full Event information uint eventInfo = reader.ReadUInt32(); // XACT Event Type, Timestamp uint eventType = eventInfo & 0x0000001F; uint eventTimestamp = (eventInfo >> 5) & 0x0000FFFF; // uint eventUnknown = eventInfo >> 21; // Random offset, unused reader.ReadUInt16(); // Load the Event if (eventType == 0) // StopEvent { // TODO: Codename OhGodNo } else if (eventType == 1) // Basic PlayWaveEvent { // Unknown value reader.ReadByte(); /* Event Flags * 0x01 = Break Loop * 0x02 = Use Speaker Position * 0x04 = Use Center Speaker * 0x08 = New Speaker Position On Loop */ reader.ReadByte(); // WaveBank Track Index ushort track = reader.ReadUInt16(); // WaveBank Index byte waveBank = reader.ReadByte(); // Number of times to loop wave (255 is infinite) byte loopCount = reader.ReadByte(); // Speaker position angle/arc, unused reader.ReadUInt16(); reader.ReadUInt16(); // Finally. Events[i] = new PlayWaveEvent( eventTimestamp, new ushort[] { track }, new byte[] { waveBank }, 0, 0, clipVolume, clipVolume, filterType, loopCount, false, false, false, false, 0, false, new byte[] { 0xFF } ); } else if (eventType == 3) // PlayWaveEvent with track variation { // Unknown value reader.ReadByte(); /* Event Flags * 0x01 = Break Loop * 0x02 = Use Speaker Position * 0x04 = Use Center Speaker * 0x08 = New Speaker Position On Loop */ reader.ReadByte(); // Number of times to loop wave (255 is infinite) byte loopCount = reader.ReadByte(); // Speaker position angle/arc, unused reader.ReadUInt16(); reader.ReadUInt16(); // Number of WaveBank tracks ushort numTracks = reader.ReadUInt16(); /* Variation Playlist Type. * First 4 bytes indicates Variation Type. * Next 4 bytes appear to indicate New Variation On Loop. * The rest is currently unknown. * -flibit */ ushort variationValues = reader.ReadUInt16(); ushort variationType = (ushort)(variationValues & 0x000F); bool variationOnLoop = (variationValues & 0x00F0) > 0; // Unknown values reader.ReadBytes(4); // Obtain WaveBank track information ushort[] tracks = new ushort[numTracks]; byte[] waveBanks = new byte[numTracks]; byte[] weights = new byte[numTracks]; for (ushort j = 0; j < numTracks; j += 1) { tracks[j] = reader.ReadUInt16(); waveBanks[j] = reader.ReadByte(); byte minWeight = reader.ReadByte(); byte maxWeight = reader.ReadByte(); weights[j] = (byte)(maxWeight - minWeight); } // Finally. Events[i] = new PlayWaveEvent( eventTimestamp, tracks, waveBanks, 0, 0, clipVolume, clipVolume, filterType, loopCount, false, false, false, false, variationType, variationOnLoop, weights ); } else if (eventType == 4) // PlayWaveEvent with effect variation { // Unknown value reader.ReadByte(); /* Event Flags * 0x01 = Break Loop * 0x02 = Use Speaker Position * 0x04 = Use Center Speaker * 0x08 = New Speaker Position On Loop */ reader.ReadByte(); // WaveBank track ushort track = reader.ReadUInt16(); // WaveBank index, unconfirmed byte waveBank = reader.ReadByte(); // Loop Count, unconfirmed byte loopCount = reader.ReadByte(); // Speaker position angle/arc, unused reader.ReadUInt16(); reader.ReadUInt16(); // Pitch Variation short minPitch = reader.ReadInt16(); short maxPitch = reader.ReadInt16(); // Volume Variation double minVolume = XACTCalculator.ParseDecibel(reader.ReadByte()); double maxVolume = XACTCalculator.ParseDecibel(reader.ReadByte()); // Frequency Variation, unusued reader.ReadSingle(); reader.ReadSingle(); // Q Factor Variation, unused reader.ReadSingle(); reader.ReadSingle(); // Variation On Loop flags ushort varFlags = reader.ReadUInt16(); if ((varFlags & 0x1000) == 0) { minPitch = 0; maxPitch = 0; } if ((varFlags & 0x2000) == 0) { minVolume = clipVolume; maxVolume = clipVolume; } // varFlags & 0xC000 is freq/qfactor, always together bool pitchVarLoop = (varFlags & 0x0100) > 0; bool volumeVarLoop = (varFlags & 0x0200) > 0; // varFlags & 0x0C00 is freq/qfactor loop, always together bool pitchVarAdd = (varFlags & 0x0004) > 0; bool volumeVarAdd = (varFlags & 0x0001) > 0; // varFlags & 0x0050 is freq/qfactor add, can be separate // Finally. Events[i] = new PlayWaveEvent( eventTimestamp, new ushort[] { track }, new byte[] { waveBank }, minPitch, maxPitch, minVolume, maxVolume, filterType, loopCount, pitchVarLoop, pitchVarAdd, volumeVarLoop, volumeVarAdd, 0, false, new byte[] { 0xFF } ); } else if (eventType == 6) // PlayWaveEvent with track/effect variation { // Unknown value reader.ReadByte(); /* Event Flags * 0x01 = Break Loop * 0x02 = Use Speaker Position * 0x04 = Use Center Speaker * 0x08 = New Speaker Position On Loop */ reader.ReadByte(); // Number of times to loop wave (255 is infinite) byte loopCount = reader.ReadByte(); // Speaker position angle/arc, unused reader.ReadUInt16(); reader.ReadUInt16(); // Pitch variation short minPitch = reader.ReadInt16(); short maxPitch = reader.ReadInt16(); // Volume variation double minVolume = XACTCalculator.ParseDecibel(reader.ReadByte()); double maxVolume = XACTCalculator.ParseDecibel(reader.ReadByte()); // Frequency Variation, unusued reader.ReadSingle(); reader.ReadSingle(); // Q Factor Variation, unused reader.ReadSingle(); reader.ReadSingle(); // Variation On Loop flags ushort varFlags = reader.ReadUInt16(); if ((varFlags & 0x1000) == 0) { minPitch = 0; maxPitch = 0; } if ((varFlags & 0x2000) == 0) { minVolume = clipVolume; maxVolume = clipVolume; } // varFlags & 0xC000 is freq/qfactor, always together bool pitchVarLoop = (varFlags & 0x0100) > 0; bool volumeVarLoop = (varFlags & 0x0200) > 0; // varFlags & 0x0C00 is freq/qfactor loop, always together bool pitchVarAdd = (varFlags & 0x0004) > 0; bool volumeVarAdd = (varFlags & 0x0001) > 0; // varFlags & 0x0050 is freq/qfactor add, can be separate // Number of WaveBank tracks ushort numTracks = reader.ReadUInt16(); /* Variation Playlist Type. * First 4 bytes indicates Variation Type. * Next 4 bytes appear to indicate New Variation On Loop. * The rest is currently unknown. * -flibit */ ushort variationValues = reader.ReadUInt16(); ushort variationType = (ushort)(variationValues & 0x000F); bool variationOnLoop = (variationValues & 0x00F0) > 0; // Unknown values reader.ReadBytes(4); // Obtain WaveBank track information ushort[] tracks = new ushort[numTracks]; byte[] waveBanks = new byte[numTracks]; byte[] weights = new byte[numTracks]; for (ushort j = 0; j < numTracks; j += 1) { tracks[j] = reader.ReadUInt16(); waveBanks[j] = reader.ReadByte(); byte minWeight = reader.ReadByte(); byte maxWeight = reader.ReadByte(); weights[j] = (byte)(maxWeight - minWeight); } // Finally. Events[i] = new PlayWaveEvent( eventTimestamp, tracks, waveBanks, minPitch, maxPitch, minVolume, maxVolume, filterType, loopCount, pitchVarLoop, pitchVarAdd, volumeVarLoop, volumeVarAdd, variationType, variationOnLoop, weights ); } else if (eventType == 7) // SetPitchEvent { // Unknown values reader.ReadBytes(2); /* Event Flags * 0x08 = Min/Max Values * Rest is unknown */ bool minMax = (reader.ReadByte() & 0x08) == 0x08; // Min/Max Random float min = reader.ReadSingle() / 1000.0f; float max; if (minMax) { max = reader.ReadSingle() / 1000.0f; } else { max = min; } // FIXME: Any more...? -flibit Events[i] = new SetPitchEvent( eventTimestamp, min, max ); } else if (eventType == 8) // SetVolumeEvent { // Unknown values reader.ReadBytes(2); /* Event Flags * 0x08 = Min/Max Values * 0x01 = Add, rather than replace * Rest is unknown */ byte flags = reader.ReadByte(); bool addVolume = (flags & 0x01) == 0x01; bool minMax = (flags & 0x08) == 0x08; // Operand Constant float min = reader.ReadSingle() / 100.0f; float max; if (minMax) { max = reader.ReadSingle() / 100.0f; // Unknown bytes reader.ReadBytes(5); } else { max = min; // Unknown values reader.ReadBytes(8); } if (addVolume) { min += (float)clipVolume; max += (float)clipVolume; } Events[i] = new SetVolumeEvent( eventTimestamp, XACTCalculator.CalculateAmplitudeRatio(min), XACTCalculator.CalculateAmplitudeRatio(max) ); } else if (eventType == 15) // ??? { // TODO: Codename OhGodNo -flibit } else if (eventType == 17) // Volume Repeat Event { // TODO: Codename OhGodNo -flibit } else { /* TODO: All XACT Events. * The following type information is based on * third-party contributions: * Type 9 - Marker Event * -flibit */ throw new NotImplementedException( "EVENT TYPE " + eventType.ToString() + " NOT IMPLEMENTED!" ); } } }
internal bool INTERNAL_update() { // If we're not running, save some instructions... if (!INTERNAL_timer.IsRunning) { return(true); } elapsedFrames += 1; // Play events when the timestamp has been hit. for (int i = 0; i < INTERNAL_eventList.Count; i += 1) { if (!INTERNAL_eventPlayed[i] && INTERNAL_timer.ElapsedMilliseconds > INTERNAL_eventList[i].Timestamp) { uint type = INTERNAL_eventList[i].Type; if (type == 1) { PlayWave((PlayWaveEvent)INTERNAL_eventList[i]); } else if (type == 2) { eventVolume = ((SetVolumeEvent)INTERNAL_eventList[i]).GetVolume(); } else if (type == 3) { eventPitch = ((SetPitchEvent)INTERNAL_eventList[i]).GetPitch(); } else { throw new NotImplementedException("Unhandled XACTEvent type!"); } INTERNAL_eventPlayed[i] = true; } } // Clear out sound effect instances as they finish for (int i = 0; i < INTERNAL_instancePool.Count; i += 1) { if (INTERNAL_instancePool[i].State == SoundState.Stopped) { // Get the event that spawned this instance... PlayWaveEvent evt = (PlayWaveEvent)INTERNAL_waveEventSounds[INTERNAL_instancePool[i]]; float prevVolume = INTERNAL_instanceVolumes[i]; float prevPitch = INTERNAL_instancePitches[i]; // Then delete all the guff INTERNAL_waveEventSounds.Remove(INTERNAL_instancePool[i]); INTERNAL_instancePool[i].Dispose(); INTERNAL_instancePool.RemoveAt(i); INTERNAL_instanceVolumes.RemoveAt(i); INTERNAL_instancePitches.RemoveAt(i); INTERNAL_rpcTrackVolumes.RemoveAt(i); INTERNAL_rpcTrackPitches.RemoveAt(i); // Increment the loop counter, try to get another loop INTERNAL_eventLoops[evt] += 1; PlayWave(evt, prevVolume, prevPitch); // Removed a wave, have to step back... i -= 1; } } // Fade in/out float fadePerc = 1.0f; if (INTERNAL_fadeMode != FadeMode.None) { if (INTERNAL_fadeMode == FadeMode.FadeOut) { if (INTERNAL_category.crossfadeType == CrossfadeType.Linear) { fadePerc = (INTERNAL_fadeEnd - (INTERNAL_timer.ElapsedMilliseconds - INTERNAL_fadeStart)) / (float)INTERNAL_fadeEnd; } else { throw new NotImplementedException("Unhandled CrossfadeType!"); } if (fadePerc <= 0.0f) { Stop(AudioStopOptions.Immediate); INTERNAL_fadeMode = FadeMode.None; return(false); } } else { if (INTERNAL_category.crossfadeType == CrossfadeType.Linear) { fadePerc = INTERNAL_timer.ElapsedMilliseconds / (float)INTERNAL_fadeEnd; } else { throw new NotImplementedException("Unhandled CrossfadeType!"); } if (fadePerc > 1.0f) { fadePerc = 1.0f; INTERNAL_fadeMode = FadeMode.None; } } } // User control updates if (INTERNAL_data.IsUserControlled) { string varName = INTERNAL_data.UserControlVariable; if (INTERNAL_userControlledPlaying && (INTERNAL_baseEngine.INTERNAL_isGlobalVariable(varName) ? !MathHelper.WithinEpsilon(INTERNAL_controlledValue, INTERNAL_baseEngine.GetGlobalVariable(varName)) : !MathHelper.WithinEpsilon(INTERNAL_controlledValue, GetVariable(INTERNAL_data.UserControlVariable)))) { // TODO: Crossfading foreach (SoundEffectInstance sfi in INTERNAL_instancePool) { sfi.Stop(); sfi.Dispose(); } INTERNAL_instancePool.Clear(); INTERNAL_instanceVolumes.Clear(); INTERNAL_instancePitches.Clear(); INTERNAL_rpcTrackVolumes.Clear(); INTERNAL_rpcTrackPitches.Clear(); if (!INTERNAL_calculateNextSound()) { // Nothing to play, bail. return(true); } INTERNAL_activeSound.GatherEvents(INTERNAL_eventList); foreach (XACTEvent evt in INTERNAL_eventList) { INTERNAL_eventPlayed.Add(false); INTERNAL_eventLoops.Add(evt, 0); } INTERNAL_timer.Stop(); INTERNAL_timer.Reset(); INTERNAL_timer.Start(); } if (INTERNAL_activeSound == null) { return(INTERNAL_userControlledPlaying); } } // If everything has been played and finished, we're done here. if (INTERNAL_instancePool.Count == 0) { bool allPlayed = true; foreach (bool played in INTERNAL_eventPlayed) { if (!played) { allPlayed = false; break; } } if (allPlayed) { // If this is managed, we're done completely. if (INTERNAL_isManaged) { Dispose(); } else { INTERNAL_timer.Stop(); INTERNAL_timer.Reset(); INTERNAL_category.INTERNAL_removeActiveCue(this); } return(INTERNAL_userControlledPlaying); } } // RPC updates float rpcVolume = 1.0f; float rpcPitch = 0.0f; float hfGain = 1.0f; float lfGain = 1.0f; for (int i = 0; i < INTERNAL_activeSound.RPCCodes.Count; i += 1) { if (i > INTERNAL_instancePool.Count) { break; } if (i > 0) { INTERNAL_rpcTrackVolumes[i - 1] = 1.0f; INTERNAL_rpcTrackPitches[i - 1] = 0.0f; } foreach (uint curCode in INTERNAL_activeSound.RPCCodes[i]) { RPC curRPC = INTERNAL_baseEngine.INTERNAL_getRPC(curCode); float result; if (!INTERNAL_baseEngine.INTERNAL_isGlobalVariable(curRPC.Variable)) { result = curRPC.CalculateRPC(GetVariable(curRPC.Variable)); } else { // It's a global variable we're looking for! result = curRPC.CalculateRPC( INTERNAL_baseEngine.GetGlobalVariable( curRPC.Variable ) ); } if (curRPC.Parameter == RPCParameter.Volume) { float vol = XACTCalculator.CalculateAmplitudeRatio(result / 100.0); if (i == 0) { rpcVolume *= vol; } else { INTERNAL_rpcTrackVolumes[i - 1] *= vol; } } else if (curRPC.Parameter == RPCParameter.Pitch) { float pitch = result / 1000.0f; if (i == 0) { rpcPitch += pitch; } else { INTERNAL_rpcTrackPitches[i - 1] += pitch; } } else if (curRPC.Parameter == RPCParameter.FilterFrequency) { // FIXME: Just listening to the last RPC! float hf = result / 20000.0f; float lf = 1.0f - hf; if (i == 0) { hfGain = hf; lfGain = lf; } else { throw new NotImplementedException("Per-track filter RPCs!"); } } else { throw new NotImplementedException("RPC Parameter Type: " + curRPC.Parameter.ToString()); } } } // Sound effect instance updates for (int i = 0; i < INTERNAL_instancePool.Count; i += 1) { /* The final volume should be the combination of the * authored volume, category volume, RPC/Event volumes, and fade. */ INTERNAL_instancePool[i].Volume = ( INTERNAL_instanceVolumes[i] * INTERNAL_category.INTERNAL_volume.Value * rpcVolume * INTERNAL_rpcTrackVolumes[i] * eventVolume * fadePerc ); /* The final pitch should be the combination of the * authored pitch and RPC/Event pitch results. */ INTERNAL_instancePool[i].Pitch = ( INTERNAL_instancePitches[i] + rpcPitch + eventPitch + INTERNAL_rpcTrackPitches[i] ); /* The final filter is determined by the instance's filter type, * in addition to our calculation of the HF/LF gain values. */ byte fType = INTERNAL_instancePool[i].FilterType; if (fType == 0xFF) { // No-op, no filter! } else if (fType == 0) { INTERNAL_instancePool[i].INTERNAL_applyLowPassFilter(hfGain); } else if (fType == 1) { INTERNAL_instancePool[i].INTERNAL_applyHighPassFilter(lfGain); } else if (fType == 2) { INTERNAL_instancePool[i].INTERNAL_applyBandPassFilter(hfGain, lfGain); } else { throw new InvalidOperationException("Unhandled filter type!"); } // Update 3D position, if applicable if (INTERNAL_isPositional) { INTERNAL_instancePool[i].Apply3D( INTERNAL_listener, INTERNAL_emitter ); } } return(true); }
public float GetVolume() { // FIXME: There's probably more that this event does... return(XACTCalculator.CalculateAmplitudeRatio(INTERNAL_constant)); }
public XACTClip(BinaryReader reader, double clipVolume) { // Number of XACT Events INTERNAL_events = new XACTEvent[reader.ReadByte()]; for (int i = 0; i < INTERNAL_events.Length; i += 1) { // Full Event information uint eventInfo = reader.ReadUInt32(); // XACT Event Type, Timestamp uint eventType = eventInfo & 0x0000001F; uint eventTimestamp = (eventInfo >> 5) & 0x0000FFFF; // uint eventUnknown = eventInfo >> 21; // Random offset, unused reader.ReadUInt16(); // Load the Event if (eventType == 0) { // TODO: Codename OhGodNo // Stop Event } else if (eventType == 1) { // Unknown value reader.ReadByte(); /* Event Flags * 0x01 = Break Loop * 0x02 = Use Speaker Position * 0x04 = Use Center Speaker * 0x08 = New Speaker Position On Loop */ reader.ReadByte(); // WaveBank Track Index ushort track = reader.ReadUInt16(); // WaveBank Index byte waveBank = reader.ReadByte(); // Number of times to loop wave (255 is infinite) byte loopCount = reader.ReadByte(); // Speaker position angle/arc, unused reader.ReadUInt16(); reader.ReadUInt16(); // Finally. INTERNAL_events[i] = new PlayWaveEvent( eventTimestamp, new ushort[] { track }, new byte[] { waveBank }, 0, 0, clipVolume, clipVolume, -1, loopCount, 0, new byte[] { 0xFF } ); } else if (eventType == 3) { // Unknown value reader.ReadByte(); /* Event Flags * 0x01 = Break Loop * 0x02 = Use Speaker Position * 0x04 = Use Center Speaker * 0x08 = New Speaker Position On Loop */ reader.ReadByte(); // Number of times to loop wave (255 is infinite) byte loopCount = reader.ReadByte(); // Speaker position angle/arc, unused reader.ReadUInt16(); reader.ReadUInt16(); // Number of WaveBank tracks ushort numTracks = reader.ReadUInt16(); /* Variation Playlist Type. * First 4 bytes indicates Variation Type. * Next 4 bytes appear to indicate New Variation On Loop. * The rest is currently unknown. * -flibit */ ushort variationType = (ushort)(reader.ReadUInt16() & 0x000F); // Unknown values reader.ReadBytes(4); // Obtain WaveBank track information ushort[] tracks = new ushort[numTracks]; byte[] waveBanks = new byte[numTracks]; byte[] weights = new byte[numTracks]; for (ushort j = 0; j < numTracks; j += 1) { tracks[j] = reader.ReadUInt16(); waveBanks[j] = reader.ReadByte(); byte minWeight = reader.ReadByte(); byte maxWeight = reader.ReadByte(); weights[j] = (byte)(maxWeight - minWeight); } // Finally. INTERNAL_events[i] = new PlayWaveEvent( eventTimestamp, tracks, waveBanks, 0, 0, clipVolume, clipVolume, -1, loopCount, variationType, weights ); } else if (eventType == 4) { // Unknown value reader.ReadByte(); /* Event Flags * 0x01 = Break Loop * 0x02 = Use Speaker Position * 0x04 = Use Center Speaker * 0x08 = New Speaker Position On Loop */ reader.ReadByte(); // WaveBank track ushort track = reader.ReadUInt16(); // WaveBank index, unconfirmed byte waveBank = reader.ReadByte(); // Loop Count, unconfirmed byte loopCount = reader.ReadByte(); // Speaker position angle/arc, unused reader.ReadUInt16(); reader.ReadUInt16(); // Pitch Variation short minPitch = reader.ReadInt16(); short maxPitch = reader.ReadInt16(); // Volume Variation double minVolume = XACTCalculator.ParseDecibel(reader.ReadByte()); double maxVolume = XACTCalculator.ParseDecibel(reader.ReadByte()); // Frequency Variation, unusued reader.ReadSingle(); reader.ReadSingle(); // Q Factor Variation, unused reader.ReadSingle(); reader.ReadSingle(); // Filter Type byte filterType = reader.ReadByte(); // Finally. INTERNAL_events[i] = new PlayWaveEvent( eventTimestamp, new ushort[] { track }, new byte[] { waveBank }, minPitch, maxPitch, minVolume, maxVolume, (int)filterType, loopCount, 0, new byte[] { 0xFF } ); } else if (eventType == 6) { // Unknown value reader.ReadByte(); /* Event Flags * 0x01 = Break Loop * 0x02 = Use Speaker Position * 0x04 = Use Center Speaker * 0x08 = New Speaker Position On Loop */ reader.ReadByte(); // Number of times to loop wave (255 is infinite) byte loopCount = reader.ReadByte(); // Speaker position angle/arc, unused reader.ReadUInt16(); reader.ReadUInt16(); // Pitch variation short minPitch = reader.ReadInt16(); short maxPitch = reader.ReadInt16(); // Volume variation double minVolume = XACTCalculator.ParseDecibel(reader.ReadByte()); double maxVolume = XACTCalculator.ParseDecibel(reader.ReadByte()); // Frequency Variation, unusued reader.ReadSingle(); reader.ReadSingle(); // Q Factor Variation, unused reader.ReadSingle(); reader.ReadSingle(); // Filter Type byte filterType = reader.ReadByte(); // Variation flags // FIXME: There's probably more to these flags... byte varFlags = reader.ReadByte(); if ((varFlags & 0x20) != 0x20) { // Throw out the volume variation. minVolume = clipVolume; maxVolume = clipVolume; } if ((varFlags & 0x10) != 0x10) { // Throw out the pitch variation minPitch = 0; maxPitch = 0; } // Number of WaveBank tracks ushort numTracks = reader.ReadUInt16(); /* Variation Playlist Type. * First 4 bytes indicates Variation Type. * Next 4 bytes appear to indicate New Variation On Loop. * The rest is currently unknown. * -flibit */ ushort variationType = (ushort)(reader.ReadUInt16() & 0x000F); // Unknown values reader.ReadBytes(4); // Obtain WaveBank track information ushort[] tracks = new ushort[numTracks]; byte[] waveBanks = new byte[numTracks]; byte[] weights = new byte[numTracks]; for (ushort j = 0; j < numTracks; j += 1) { tracks[j] = reader.ReadUInt16(); waveBanks[j] = reader.ReadByte(); byte minWeight = reader.ReadByte(); byte maxWeight = reader.ReadByte(); weights[j] = (byte)(maxWeight - minWeight); } // Finally. INTERNAL_events[i] = new PlayWaveEvent( eventTimestamp, tracks, waveBanks, minPitch, maxPitch, minVolume, maxVolume, (int)filterType, loopCount, variationType, weights ); } else if (eventType == 7) { // TODO: Codename OhGodNo -flibit // Pitch Event } else if (eventType == 8) { // Unknown values reader.ReadBytes(2); /* Event Flags * 0x01 = Add, rather than replace * Rest is unknown */ bool addVolume = (reader.ReadByte() & 0x01) == 0x01; // Operand Constant float constant = reader.ReadSingle() / 100.0f; if (addVolume) { constant += (float)clipVolume; } // Unknown values reader.ReadBytes(8); INTERNAL_events[i] = new SetVolumeEvent( eventTimestamp, XACTCalculator.CalculateAmplitudeRatio(constant) ); } else if (eventType == 15) { // TODO: Codename OhGodNo -flibit // Unknown Event! } else if (eventType == 17) { // TODO: Codename OhGodNo -flibit // Volume Repeat Event } else { /* TODO: All XACT Events. * The following type information is based on * third-party contributions: * Type 9 - Marker Event * -flibit */ throw new Exception( "EVENT TYPE " + eventType.ToString() + " NOT IMPLEMENTED!" ); } } }
internal bool INTERNAL_update() { // If we're not running, save some instructions... if (!INTERNAL_timer.IsRunning) { return(true); } elapsedFrames += 1; // User control updates if (INTERNAL_data.IsUserControlled) { string varName = INTERNAL_data.UserControlVariable; if (INTERNAL_userControlledPlaying && (INTERNAL_baseEngine.INTERNAL_isGlobalVariable(varName) ? !MathHelper.WithinEpsilon(INTERNAL_controlledValue, INTERNAL_baseEngine.GetGlobalVariable(varName)) : !MathHelper.WithinEpsilon(INTERNAL_controlledValue, GetVariable(INTERNAL_data.UserControlVariable)))) { // TODO: Crossfading foreach (SoundEffectInstance sfi in INTERNAL_instancePool) { sfi.Stop(); sfi.Dispose(); } INTERNAL_instancePool.Clear(); INTERNAL_instanceVolumes.Clear(); INTERNAL_instancePitches.Clear(); INTERNAL_rpcTrackVolumes.Clear(); INTERNAL_rpcTrackPitches.Clear(); if (!INTERNAL_calculateNextSound()) { // Nothing to play, bail. return(true); } INTERNAL_activeSound.InitializeClips(); INTERNAL_timer.Stop(); INTERNAL_timer.Reset(); INTERNAL_timer.Start(); } if (INTERNAL_activeSound == null) { return(INTERNAL_userControlledPlaying); } } // Trigger events for each track foreach (XACTClipInstance clip in INTERNAL_activeSound.Clips) { // Play events when the timestamp has been hit. for (int i = 0; i < clip.Events.Count; i += 1) { EventInstance evt = clip.Events[i]; if (!evt.Played && INTERNAL_timer.ElapsedMilliseconds > evt.Timestamp) { evt.Apply( this, null, INTERNAL_timer.ElapsedMilliseconds / 1000.0f ); } } } // Clear out sound effect instances as they finish for (int i = 0; i < INTERNAL_instancePool.Count; i += 1) { if (INTERNAL_instancePool[i].State == SoundState.Stopped) { // Get the event that spawned this instance... PlayWaveEventInstance evtInstance = INTERNAL_playWaveEventBySound[INTERNAL_instancePool[i]]; double prevVolume = INTERNAL_instanceVolumes[i]; short prevPitch = INTERNAL_instancePitches[i]; // Then delete all the guff INTERNAL_playWaveEventBySound.Remove(INTERNAL_instancePool[i]); INTERNAL_instancePool[i].Dispose(); INTERNAL_instancePool.RemoveAt(i); INTERNAL_instanceVolumes.RemoveAt(i); INTERNAL_instancePitches.RemoveAt(i); INTERNAL_rpcTrackVolumes.RemoveAt(i); INTERNAL_rpcTrackPitches.RemoveAt(i); // Increment the loop counter, try to get another loop evtInstance.LoopCount += 1; PlayWave(evtInstance, prevVolume, prevPitch); // Removed a wave, have to step back... i -= 1; } } // Fade in/out float fadePerc = 1.0f; if (INTERNAL_fadeMode != FadeMode.None) { if (INTERNAL_fadeMode == FadeMode.FadeOut) { if (INTERNAL_category.crossfadeType == CrossfadeType.Linear) { fadePerc = ( INTERNAL_fadeEnd - ( INTERNAL_timer.ElapsedMilliseconds - INTERNAL_fadeStart ) ) / (float)INTERNAL_fadeEnd; } else { throw new NotImplementedException("Unhandled CrossfadeType!"); } if (fadePerc <= 0.0f) { Stop(AudioStopOptions.Immediate); INTERNAL_fadeMode = FadeMode.None; return(false); } } else if (INTERNAL_fadeMode == FadeMode.FadeIn) { if (INTERNAL_category.crossfadeType == CrossfadeType.Linear) { fadePerc = INTERNAL_timer.ElapsedMilliseconds / (float)INTERNAL_fadeEnd; } else { throw new NotImplementedException("Unhandled CrossfadeType!"); } if (fadePerc > 1.0f) { fadePerc = 1.0f; INTERNAL_fadeMode = FadeMode.None; } } else if (INTERNAL_fadeMode == FadeMode.ReleaseRpc) { float releasePerc = ( INTERNAL_timer.ElapsedMilliseconds - INTERNAL_fadeStart ) / (float)INTERNAL_maxRpcReleaseTime; if (releasePerc > 1.0f) { Stop(AudioStopOptions.Immediate); INTERNAL_fadeMode = FadeMode.None; return(false); } } else { throw new NotImplementedException("Unsupported FadeMode!"); } } // If everything has been played and finished, we're done here. if (INTERNAL_instancePool.Count == 0) { bool allPlayed = true; foreach (XACTClipInstance clipInstance in INTERNAL_activeSound.Clips) { foreach (EventInstance evt in clipInstance.Events) { if (!evt.Played) { allPlayed = false; break; } } } if (allPlayed) { // If this is managed, we're done completely. if (INTERNAL_isManaged) { Dispose(); } else { KillCue(); } if (INTERNAL_userControlledPlaying) { // We're "still" "playing" right now... return(true); } IsStopped = true; return(false); } } // RPC updates float rpcVolume = 0.0f; float rpcPitch = 0.0f; float hfGain = 1.0f; float lfGain = 1.0f; for (int i = 0; i < INTERNAL_activeSound.Sound.RPCCodes.Count; i += 1) { // Are we processing an RPC targeting the sound itself rather than a track? bool isSoundRpc = i == 0 && INTERNAL_activeSound.Sound.HasSoundRpcs; // If there is an RPC targeting the sound instance itself, it is handled in rpcVolume/rpcPitch, and the first track is at i-1. int trackRpcIndex = INTERNAL_activeSound.Sound.HasSoundRpcs ? i - 1 : i; // If this RPC Code is for a track that is not active yet, we have nothing to do. if (trackRpcIndex >= INTERNAL_instancePool.Count) { // FIXME: This presumes that tracks start in order, which doesn't have to be true. break; } if (!isSoundRpc) { INTERNAL_rpcTrackVolumes[trackRpcIndex] = 0.0f; INTERNAL_rpcTrackPitches[trackRpcIndex] = 0.0f; } foreach (uint curCode in INTERNAL_activeSound.Sound.RPCCodes[i]) { RPC curRPC = INTERNAL_baseEngine.INTERNAL_getRPC(curCode); float result; if (!INTERNAL_baseEngine.INTERNAL_isGlobalVariable(curRPC.Variable)) { float variableValue; if (curRPC.Variable.Equals("AttackTime")) { PlayWaveEvent playWaveEvent = (PlayWaveEvent)INTERNAL_activeSound.Sound.INTERNAL_clips[trackRpcIndex].Events[0]; long elapsedFromPlay = INTERNAL_timer.ElapsedMilliseconds - playWaveEvent.Timestamp; variableValue = elapsedFromPlay; } else if (curRPC.Variable.Equals("ReleaseTime")) { if (INTERNAL_fadeMode == FadeMode.ReleaseRpc) { long elapsedFromStop = INTERNAL_timer.ElapsedMilliseconds - INTERNAL_fadeStart; variableValue = elapsedFromStop; } else { variableValue = 0.0f; } } else { variableValue = GetVariable(curRPC.Variable); } result = curRPC.CalculateRPC(variableValue); } else { // It's a global variable we're looking for! result = curRPC.CalculateRPC( INTERNAL_baseEngine.GetGlobalVariable( curRPC.Variable ) ); } if (curRPC.Parameter == RPCParameter.Volume) { // If this RPC targets the sound instance itself then apply to the dedicated variable. if (isSoundRpc) { rpcVolume += result; } else { INTERNAL_rpcTrackVolumes[trackRpcIndex] += result; } } else if (curRPC.Parameter == RPCParameter.Pitch) { float pitch = result; if (isSoundRpc) { rpcPitch += pitch; } else { INTERNAL_rpcTrackPitches[trackRpcIndex] += pitch; } } else if (curRPC.Parameter == RPCParameter.FilterFrequency) { // FIXME: Just listening to the last RPC! float hf = result / 20000.0f; float lf = 1.0f - hf; if (isSoundRpc) { hfGain = hf; lfGain = lf; } else { throw new NotImplementedException("Per-track filter RPCs!"); } } else { throw new NotImplementedException( "RPC Parameter Type: " + curRPC.Parameter.ToString() ); } } } // Sound effect instance updates for (int i = 0; i < INTERNAL_instancePool.Count; i += 1) { /* The final volume should be the combination of the * authored volume, category volume, RPC sound/track * volumes, event volumes, and fade. */ INTERNAL_instancePool[i].Volume = XACTCalculator.CalculateAmplitudeRatio( INTERNAL_instanceVolumes[i] + rpcVolume + INTERNAL_rpcTrackVolumes[i] + eventVolume ) * INTERNAL_category.INTERNAL_volume.Value * fadePerc; /* The final pitch should be the combination of the * authored pitch, RPC sound/track pitches, and event * pitch. * * XACT uses -1200 to 1200 (+/- 12 semitones), * XNA uses -1.0f to 1.0f (+/- 1 octave). */ INTERNAL_instancePool[i].Pitch = ( INTERNAL_instancePitches[i] + rpcPitch + INTERNAL_rpcTrackPitches[i] + eventPitch ) / 1200.0f; /* The final filter is determined by the instance's filter type, * in addition to our calculation of the HF/LF gain values. */ byte fType = INTERNAL_instancePool[i].FilterType; if (fType == 0xFF) { // No-op, no filter! } else if (fType == 0) { INTERNAL_instancePool[i].INTERNAL_applyLowPassFilter(hfGain); } else if (fType == 1) { INTERNAL_instancePool[i].INTERNAL_applyHighPassFilter(lfGain); } else if (fType == 2) { INTERNAL_instancePool[i].INTERNAL_applyBandPassFilter(hfGain, lfGain); } else { throw new InvalidOperationException("Unhandled filter type!"); } // Update 3D position, if applicable if (INTERNAL_isPositional) { INTERNAL_instancePool[i].Apply3D( INTERNAL_listener, INTERNAL_emitter ); } } return(true); }
internal bool INTERNAL_update() { // If this is our first update, time to play! if (INTERNAL_queuedPlayback) { INTERNAL_queuedPlayback = false; foreach (SoundEffectInstance sfi in INTERNAL_instancePool) { sfi.Play(); if (INTERNAL_queuedPaused) { sfi.Pause(); } } INTERNAL_queuedPaused = false; } for (int i = 0; i < INTERNAL_instancePool.Count; i += 1) { if (INTERNAL_instancePool[i].INTERNAL_timer.ElapsedMilliseconds > INTERNAL_instancePool[i].INTERNAL_delayMS) { // Okay, play this NOW! INTERNAL_instancePool[i].Play(); if (IsPaused) { INTERNAL_instancePool[i].Pause(); } } if (INTERNAL_instancePool[i].State == SoundState.Stopped) { INTERNAL_instancePool[i].Dispose(); INTERNAL_instancePool.RemoveAt(i); INTERNAL_instanceVolumes.RemoveAt(i); INTERNAL_instancePitches.RemoveAt(i); i -= 1; } } // User control updates if (INTERNAL_data.IsUserControlled) { if (INTERNAL_userControlledPlaying && INTERNAL_controlledValue != GetVariable(INTERNAL_data.UserControlVariable)) { // TODO: Crossfading foreach (SoundEffectInstance sfi in INTERNAL_instancePool) { sfi.Stop(); sfi.Dispose(); } INTERNAL_instancePool.Clear(); INTERNAL_instanceVolumes.Clear(); INTERNAL_instancePitches.Clear(); if (!INTERNAL_calculateNextSound()) { // Nothing to play, bail. return(true); } INTERNAL_setupSounds(); foreach (SoundEffectInstance sfi in INTERNAL_instancePool) { sfi.Play(); } } if (INTERNAL_activeSound == null) { return(INTERNAL_userControlledPlaying); } } if (INTERNAL_isPositional) { foreach (SoundEffectInstance sfi in INTERNAL_instancePool) { sfi.Apply3D( INTERNAL_listener, INTERNAL_emitter ); } } float rpcVolume = 1.0f; float rpcPitch = 0.0f; foreach (uint curCode in INTERNAL_activeSound.RPCCodes) { RPC curRPC = INTERNAL_baseEngine.INTERNAL_getRPC(curCode); float result; if (!INTERNAL_baseEngine.INTERNAL_isGlobalVariable(curRPC.Variable)) { result = curRPC.CalculateRPC(GetVariable(curRPC.Variable)); } else { // It's a global variable we're looking for! result = curRPC.CalculateRPC( INTERNAL_baseEngine.GetGlobalVariable( curRPC.Variable ) ); } if (curRPC.Parameter == RPCParameter.Volume) { rpcVolume *= XACTCalculator.CalculateAmplitudeRatio(result / 100.0); } else if (curRPC.Parameter == RPCParameter.Pitch) { rpcPitch += result / 1000.0f; } else if (curRPC.Parameter == RPCParameter.FilterFrequency) { // TODO: Filters? } else { throw new Exception("RPC Parameter Type: " + curRPC.Parameter.ToString()); } } for (int i = 0; i < INTERNAL_instancePool.Count; i += 1) { /* The final volume should be the combination of the * authored volume, Volume variable and RPC volume results. */ INTERNAL_instancePool[i].Volume = INTERNAL_instanceVolumes[i] * GetVariable("Volume") * rpcVolume; /* The final pitch should be the combination of the * authored pitch and RPC pitch results. */ INTERNAL_instancePool[i].Pitch = INTERNAL_instancePitches[i] + rpcPitch; } // Finally, check if we're still active. if (IsStopped && !INTERNAL_queuedPlayback && !INTERNAL_userControlledPlaying) { // If this is managed, we're done here. if (INTERNAL_isManaged) { Dispose(); } return(false); } return(true); }