Root/
#region License /* FNA - XNA4 Reimplementation for Desktop Platforms * Copyright 2009-2016 Ethan Lee and the MonoGame Team * * Released under the Microsoft Public License. * See LICENSE for details. */ #endregion #region Using Statements using System; using System.Collections.Generic; using System.IO; #endregion namespace Microsoft.Xna.Framework.Audio { public class SoundBank : IDisposable { #region Public Properties public bool IsDisposed { get ; private set ; } public bool IsInUse { get { throw new NotImplementedException( "Bank Cue instance count tracking!" ); } } #endregion #region Private Variables private AudioEngine INTERNAL_baseEngine; private List< string > INTERNAL_waveBankNames; private Dictionary< string , CueData> INTERNAL_cueData; #endregion #region Disposing Event public event EventHandler<EventArgs> Disposing; #endregion #region Public Constructor public SoundBank(AudioEngine audioEngine, string filename) { if (audioEngine == null ) { throw new ArgumentNullException( "audioEngine" ); } if (String.IsNullOrEmpty(filename)) { throw new ArgumentNullException( "filename" ); } INTERNAL_baseEngine = audioEngine; using (Stream soundBankStream = TitleContainer.OpenStream(filename)) using (BinaryReader reader = new BinaryReader(soundBankStream)) { // Check the file header. Should be 'SDBK' if (reader.ReadUInt32() != 0x4B424453) { throw new ArgumentException( "SDBK format not recognized!" ); } // Check the content version. Assuming XNA4 Refresh. if (reader.ReadUInt16() != AudioEngine.ContentVersion) { throw new ArgumentException( "SDBK Content version!" ); } // Check the tool version. Assuming XNA4 Refresh. if (reader.ReadUInt16() != 43) { throw new ArgumentException( "SDBK Tool version!" ); } // CRC, unused reader.ReadUInt16(); // Last modified, unused reader.ReadUInt64(); // Unknown value, Internet suggests platform reader.ReadByte(); // Cue Counts ushort numCueSimple = reader.ReadUInt16(); ushort numCueComplex = reader.ReadUInt16(); // Unknown value reader.ReadUInt16(); // Total Cues, unused reader.ReadUInt16(); // Number of associated WaveBanks byte numWaveBanks = reader.ReadByte(); // Unknown, Internet suggest number of "sounds" reader.ReadUInt16(); // Cue Name Table Length ushort cueNameTableLength = reader.ReadUInt16(); // Unknown value reader.ReadUInt16(); // Cue Offsets uint cueSimpleOffset = reader.ReadUInt32(); uint cueComplexOffset = reader.ReadUInt32(); // Cue Name Table Offset uint cueNameTableOffset = reader.ReadUInt32(); // Unknown value reader.ReadUInt32(); // Variable Tables Offset, unused reader.ReadUInt32(); // Unknown value reader.ReadUInt32(); // WaveBank Name Table Offset uint waveBankNameTableOffset = reader.ReadUInt32(); // Cue Name Hash Offsets, unused reader.ReadUInt32(); reader.ReadUInt32(); // Unknown value, Internet suggest "sounds" offset reader.ReadUInt32(); // SoundBank Name, unused reader.ReadBytes(64); // Parse WaveBank names soundBankStream.Seek(waveBankNameTableOffset, SeekOrigin.Begin); INTERNAL_waveBankNames = new List< string >(); for ( byte i = 0; i < numWaveBanks; i += 1) { INTERNAL_waveBankNames.Add( System.Text.Encoding.UTF8.GetString( reader.ReadBytes(64), 0, 64 ).Replace( "\0" , "" ) ); } // Parse Cue name list soundBankStream.Seek(cueNameTableOffset, SeekOrigin.Begin); string [] cueNames = System.Text.Encoding.UTF8.GetString( reader.ReadBytes(cueNameTableLength), 0, cueNameTableLength ).Split( '\0' ); // Create our CueData Dictionary INTERNAL_cueData = new Dictionary< string , CueData>(); // Parse Simple Cues soundBankStream.Seek(cueSimpleOffset, SeekOrigin.Begin); for ( ushort i = 0; i < numCueSimple; i += 1) { // Cue flags, unused reader.ReadByte(); // Cue Sound Offset uint offset = reader.ReadUInt32(); // Store this for when we're done reading the sound. long curPos = reader.BaseStream.Position; // Go to the sound in the Bank. reader.BaseStream.Seek(offset, SeekOrigin.Begin); // Parse the Sound INTERNAL_cueData.Add( cueNames[i], new CueData( new XACTSound(reader)) ); // Back to where we were... reader.BaseStream.Seek(curPos, SeekOrigin.Begin); } // Parse Complex Cues soundBankStream.Seek(cueComplexOffset, SeekOrigin.Begin); for ( ushort i = 0; i < numCueComplex; i += 1) { // Cue flags byte cueFlags = reader.ReadByte(); if ((cueFlags & 0x04) != 0) // FIXME: ??? { // Cue Sound Offset uint offset = reader.ReadUInt32(); // Unknown value reader.ReadUInt32(); // Store this for when we're done reading the sound. long curPos = reader.BaseStream.Position; // Go to the sound in the bank reader.BaseStream.Seek(offset, SeekOrigin.Begin); // Parse the Sound INTERNAL_cueData.Add( cueNames[numCueSimple + i], new CueData( new XACTSound(reader)) ); // Back to where we were... reader.BaseStream.Seek(curPos, SeekOrigin.Begin); } else { // Variation Table Offset for this Cue uint offset = reader.ReadUInt32(); // Transition Table Offset for this Cue, unused reader.ReadUInt32(); // Store this for when we're done reading the Variation Table long curPos = reader.BaseStream.Position; // Seek to the Variation Table in the file reader.BaseStream.Seek(offset, SeekOrigin.Begin); // Number of Variations in the Table ushort numVariations = reader.ReadUInt16(); // Variation Table Flags ushort varTableFlags = reader.ReadUInt16(); // Unknown value reader.ReadUInt16(); // Probability Control Variable, if applicable ushort variable = reader.ReadUInt16(); // Create data for the CueData XACTSound[] cueSounds = new XACTSound[numVariations]; float [,] cueProbs = new float [numVariations, 2]; // Used to determine Variation storage format int varTableType = (varTableFlags >> 3) & 0x0007; for ( ushort j = 0; j < numVariations; j += 1) { if (varTableType == 0) { // Wave with byte min/max ushort track = reader.ReadUInt16(); byte waveBank = reader.ReadByte(); byte wMin = reader.ReadByte(); byte wMax = reader.ReadByte(); // Create the Sound cueSounds[j] = new XACTSound(track, waveBank); // Calculate probability based on weight cueProbs[j, 0] = wMax / 255.0f; cueProbs[j, 1] = wMin / 255.0f; } else if (varTableType == 1) { // Complex with byte min/max uint varOffset = reader.ReadUInt32(); byte wMin = reader.ReadByte(); byte wMax = reader.ReadByte(); // Store for sound read long varPos = reader.BaseStream.Position; // Seek to the sound in the Bank reader.BaseStream.Seek(varOffset, SeekOrigin.Begin); // Read the sound cueSounds[j] = new XACTSound(reader); // Back to where we were... reader.BaseStream.Seek(varPos, SeekOrigin.Begin); // Calculate probability based on weight cueProbs[j, 0] = wMax / 255.0f; cueProbs[j, 1] = wMin / 255.0f; } else if (varTableType == 3) { // Complex with float min/max uint varOffset = reader.ReadUInt32(); float wMin = reader.ReadSingle(); float wMax = reader.ReadSingle(); // Unknown value reader.ReadUInt32(); // Store for sound read long varPos = reader.BaseStream.Position; // Seek to the sound in the Bank reader.BaseStream.Seek(varOffset, SeekOrigin.Begin); // Read the sound cueSounds[j] = new XACTSound(reader); // Back to where we were... reader.BaseStream.Seek(varPos, SeekOrigin.Begin); // Calculate probability based on weight cueProbs[j, 0] = wMax; cueProbs[j, 1] = wMin; } else if (varTableType == 4) { // Compact Wave ushort track = reader.ReadUInt16(); byte waveBank = reader.ReadByte(); // Create the Sound cueSounds[j] = new XACTSound(track, waveBank); // FIXME: Assume Sound weight is 100% cueProbs[j, 0] = 1.0f; cueProbs[j, 1] = 0.0f; } else { throw new NotSupportedException(); } } // Back to where we were... reader.BaseStream.Seek(curPos, SeekOrigin.Begin); // Add Built CueData to Dictionary INTERNAL_cueData.Add( cueNames[numCueSimple + i], new CueData( cueSounds, cueProbs, (varTableType == 3) ? INTERNAL_baseEngine.INTERNAL_getVariableName(variable) : String.Empty ) ); } // Cue instance limit byte instanceLimit = reader.ReadByte(); // Fade In/Out ushort fadeIn = reader.ReadUInt16(); ushort fadeOut = reader.ReadUInt16(); // Cue max instance behavior byte behavior = reader.ReadByte(); INTERNAL_cueData[cueNames[numCueSimple + i]].SetLimit( instanceLimit, behavior, fadeIn, fadeOut ); } } IsDisposed = false ; } #endregion #region Destructor ~SoundBank() { Dispose( true ); } #endregion #region Public Dispose Method public void Dispose() { Dispose( false ); } #endregion #region Protected Dispose Method protected void Dispose( bool disposing) { if (!IsDisposed) { if (Disposing != null ) { Disposing.Invoke( this , null ); } INTERNAL_waveBankNames.Clear(); INTERNAL_cueData.Clear(); IsDisposed = true ; } } #endregion #region Public Methods public Cue GetCue( string name) { if (String.IsNullOrEmpty(name)) { throw new ArgumentNullException( "name" ); } if (!INTERNAL_cueData.ContainsKey(name)) { throw new ArgumentException( "Cue name not found: " + name); } return new Cue( INTERNAL_baseEngine, INTERNAL_waveBankNames, name, INTERNAL_cueData[name], false ); } public void PlayCue( string name) { if (String.IsNullOrEmpty(name)) { throw new ArgumentNullException( "name" ); } if (!INTERNAL_cueData.ContainsKey(name)) { throw new InvalidOperationException( "name not found!" ); } Cue newCue = new Cue( INTERNAL_baseEngine, INTERNAL_waveBankNames, name, INTERNAL_cueData[name], true ); newCue.Play(); } public void PlayCue( string name, AudioListener listener, AudioEmitter emitter ) { if (String.IsNullOrEmpty(name)) { throw new ArgumentNullException( "name" ); } if (!INTERNAL_cueData.ContainsKey(name)) { throw new InvalidOperationException( "name not found!" ); } Cue newCue = new Cue( INTERNAL_baseEngine, INTERNAL_waveBankNames, name, INTERNAL_cueData[name], true ); newCue.Apply3D(listener, emitter); newCue.Play(); } #endregion } } |