internal void Prepare()
{
IsDisposed = false;
IsCreated = false;
IsPrepared = true;
_curSound = null;
}
internal Cue(string cuename, XactSound[] _sounds, float[] _probs)
{
this.name = cuename;
this.sounds = _sounds;
this.probs = _probs;
this.variationRand = new Random();
}
public void Play()
{
this.curSound = this.sounds[this.variationRand.Next(this.sounds.Length)];
this.curSound.Volume = this.volume;
this.curSound.Play();
this.paused = false;
}
internal Cue(string cuename, XactSound[] _sounds, float[] _probs)
{
name = cuename;
sounds = _sounds;
probs = _probs;
variationRand = new Random();
}
public void Play()
{
//TODO: Probabilities
curSound = sounds[variationRand.Next(sounds.Length)];
curSound.Volume = volume;
curSound.Play();
}
internal Cue(AudioEngine engine, string cuename, XactSound sound)
{
_engine = engine;
_name = cuename;
_sounds = new XactSound[1];
_sounds[0] = sound;
_probs = new float[1];
_probs[0] = 1.0f;
}
internal Cue(AudioEngine engine, string cuename, XactSound sound)
{
_engine = engine;
_sounds = new XactSound[1];
_sounds[0] = sound;
_probs = new float[1];
_probs[0] = 1.0f;
_variables = engine.CreateCueVariables();
}
internal Cue(AudioEngine engine, string cuename, XactSound sound)
{
this.engine = engine;
this.name = cuename;
this.sounds = new XactSound[1];
this.sounds[0] = sound;
this.probs = new float[1];
this.probs[0] = 1f;
this.variationRand = new Random();
}
internal Cue(AudioEngine engine, string cuename, XactSound sound)
{
this.engine = engine;
this.name = cuename;
this.sounds = new XactSound[1];
this.sounds[0] = sound;
this.probs = new float[1];
this.probs[0] = 1f;
this.variationRand = new Random();
}
internal Cue(AudioEngine engine, string cuename, XactSound sound)
{
this.engine = engine;
name = cuename;
sounds = new XactSound[1];
sounds[0] = sound;
probs = new float[1];
probs[0] = 1.0f;
}
internal Cue(string cuename, XactSound sound)
{
name = cuename;
sounds = new XactSound[1];
sounds[0] = sound;
probs = new float[1];
probs[0] = 1.0f;
variationRand = new Random();
}
internal Cue(string cuename, XactSound sound)
{
name = cuename;
sounds = new XactSound[1];
sounds[0] = sound;
probs = new float[1];
probs[0] = 1.0f;
variationRand = new Random();
}
/// <summary>Requests playback of a prepared or preparing Cue.</summary>
/// <remarks>Calling Play when the Cue already is playing can result in an InvalidOperationException.</remarks>
public void Play()
{
if (!engine._activeCues.Contains(this))
{
engine._activeCues.Add(this);
}
//TODO: Probabilities
var index = XactHelpers.Random.Next(sounds.Length);
curSound = sounds[index];
curSound.Volume = volume;
curSound.Play();
}
/// <summary>Requests playback of a prepared or preparing Cue.</summary>
/// <remarks>Calling Play when the Cue already is playing can result in an InvalidOperationException.</remarks>
public void Play()
{
if (!_engine._activeCues.Contains(this))
{
_engine._activeCues.Add(this);
}
//TODO: Probabilities
var index = XactHelpers.Random.Next(_sounds.Length);
_curSound = _sounds[index];
_curSound.SetCueVolume(_volume);
_curSound.Play();
}
/// <summary>Requests playback of a prepared or preparing Cue.</summary>
/// <remarks>Calling Play when the Cue already is playing can result in an InvalidOperationException.</remarks>
public void Play()
{
if (!_engine.ActiveCues.Contains(this))
{
_engine.ActiveCues.Add(this);
}
//TODO: Probabilities
var index = XactHelpers.Random.Next(_sounds.Length);
_curSound = _sounds[index];
_curSound.Play(1.0f, _engine);
_played = true;
IsPrepared = false;
}
public void Play()
{
//TODO: Probabilities
curSound = sounds[variationRand.Next(sounds.Length)];
// There may not have been a sound when we first set volume.
curSound.Volume = volume * rpcVolume;
if (positionalAudio)
{
curSound.PlayPositional(listener, emitter);
}
else
{
curSound.Play();
}
}
/// <summary>Requests playback of a prepared or preparing Cue.</summary>
/// <remarks>Calling Play when the Cue already is playing can result in an InvalidOperationException.</remarks>
public void Play()
{
lock (_engine.UpdateLock) {
if (!_engine.ActiveCues.Contains(this))
{
_engine.ActiveCues.Add(this);
}
//TODO: Probabilities
var index = XactHelpers.Random.Next(_sounds.Length);
_curSound = _sounds[index];
var volume = UpdateRpcCurves();
_curSound.Play(volume, _engine);
}
_played = true;
IsPrepared = false;
}
//Defer loading because some programs load soundbanks before wavebanks
private void Load ()
{
#if !ANDROID
using (FileStream soundbankstream = new FileStream (filename, FileMode.Open))
{
#else
using (var fileStream = Game.Activity.Assets.Open(filename))
{
MemoryStream soundbankstream = new MemoryStream();
fileStream.CopyTo(soundbankstream);
soundbankstream.Position = 0;
#endif
using(BinaryReader soundbankreader = new BinaryReader (soundbankstream))
{
//Parse the SoundBank.
//Thanks to Liandril for "xactxtract" for some of the offsets
uint magic = soundbankreader.ReadUInt32 ();
if (magic != 0x4B424453) { //"SDBK"
throw new Exception ("Bad soundbank format");
}
uint toolVersion = soundbankreader.ReadUInt16 ();
uint formatVersion = soundbankreader.ReadUInt16 ();
if (formatVersion != 46) {
#if DEBUG
Console.WriteLine ("Warning: SoundBank format not supported");
#endif
}
uint crc = soundbankreader.ReadUInt16 ();
//TODO: Verify crc (FCS16)
uint lastModifiedLow = soundbankreader.ReadUInt32 ();
uint lastModifiedHigh = soundbankreader.ReadUInt32 ();
uint platform = soundbankreader.ReadByte(); //???
uint numSimpleCues = soundbankreader.ReadUInt16 ();
uint numComplexCues = soundbankreader.ReadUInt16 ();
soundbankreader.ReadUInt16 (); //unkn
uint numTotalCues = soundbankreader.ReadUInt16 ();
uint numWaveBanks = soundbankreader.ReadByte ();
uint numSounds = soundbankreader.ReadUInt16 ();
uint cueNameTableLen = soundbankreader.ReadUInt16 ();
soundbankreader.ReadUInt16 (); //unkn
uint simpleCuesOffset = soundbankreader.ReadUInt32 ();
uint complexCuesOffset = soundbankreader.ReadUInt32 (); //unkn
uint cueNamesOffset = soundbankreader.ReadUInt32 ();
soundbankreader.ReadUInt32 (); //unkn
uint variationTablesOffset = soundbankreader.ReadUInt32 ();
soundbankreader.ReadUInt32 (); //unkn
uint waveBankNameTableOffset = soundbankreader.ReadUInt32 ();
uint cueNameHashTableOffset = soundbankreader.ReadUInt32 ();
uint cueNameHashValsOffset = soundbankreader.ReadUInt32 ();
uint soundsOffset = soundbankreader.ReadUInt32 ();
name = System.Text.Encoding.UTF8.GetString(soundbankreader.ReadBytes(64)).Replace("\0","");
//parse wave bank name table
soundbankstream.Seek (waveBankNameTableOffset, SeekOrigin.Begin);
waveBanks = new WaveBank[numWaveBanks];
for (int i=0; i<numWaveBanks; i++) {
string bankname = System.Text.Encoding.UTF8.GetString(soundbankreader.ReadBytes(64)).Replace("\0","");
waveBanks[i] = audioengine.Wavebanks[bankname];
}
//parse cue name table
soundbankstream.Seek (cueNamesOffset, SeekOrigin.Begin);
string[] cueNames = System.Text.Encoding.UTF8.GetString(soundbankreader.ReadBytes((int)cueNameTableLen)).Split('\0');
soundbankstream.Seek (simpleCuesOffset, SeekOrigin.Begin);
for (int i=0; i<numSimpleCues; i++) {
byte flags = soundbankreader.ReadByte ();
uint soundOffset = soundbankreader.ReadUInt32 ();
XactSound sound = new XactSound(this, soundbankreader, soundOffset);
Cue cue = new Cue(audioengine, cueNames[i], sound);
cues.Add(cue.Name, cue);
}
soundbankstream.Seek (complexCuesOffset, SeekOrigin.Begin);
for (int i=0; i<numComplexCues; i++) {
Cue cue;
byte flags = soundbankreader.ReadByte ();
if (((flags >> 2) & 1) != 0) {
//not sure :/
uint soundOffset = soundbankreader.ReadUInt32 ();
soundbankreader.ReadUInt32 (); //unkn
XactSound sound = new XactSound(this, soundbankreader, soundOffset);
cue = new Cue(audioengine, cueNames[numSimpleCues+i], sound);
} else {
uint variationTableOffset = soundbankreader.ReadUInt32 ();
uint transitionTableOffset = soundbankreader.ReadUInt32 ();
//parse variation table
long savepos = soundbankstream.Position;
soundbankstream.Seek (variationTableOffset, SeekOrigin.Begin);
uint numEntries = soundbankreader.ReadUInt16 ();
uint variationflags = soundbankreader.ReadUInt16 ();
soundbankreader.ReadByte ();
soundbankreader.ReadUInt16 ();
soundbankreader.ReadByte ();
XactSound[] cueSounds = new XactSound[numEntries];
float[] probs = new float[numEntries];
uint tableType = (variationflags >> 3) & 0x7;
for (int j=0; j<numEntries; j++) {
switch (tableType) {
case 0: //Wave
{
uint trackIndex = soundbankreader.ReadUInt16 ();
byte waveBankIndex = soundbankreader.ReadByte ();
byte weightMin = soundbankreader.ReadByte ();
byte weightMax = soundbankreader.ReadByte ();
cueSounds[j] = new XactSound(this.GetWave(waveBankIndex, trackIndex));
break;
}
case 1:
{
uint soundOffset = soundbankreader.ReadUInt32 ();
byte weightMin = soundbankreader.ReadByte ();
byte weightMax = soundbankreader.ReadByte ();
cueSounds[j] = new XactSound(this, soundbankreader, soundOffset);
break;
}
case 4: //CompactWave
{
uint trackIndex = soundbankreader.ReadUInt16 ();
byte waveBankIndex = soundbankreader.ReadByte ();
cueSounds[j] = new XactSound(this.GetWave(waveBankIndex, trackIndex));
break;
}
default:
throw new NotImplementedException();
}
}
soundbankstream.Seek (savepos, SeekOrigin.Begin);
cue = new Cue(cueNames[numSimpleCues+i], cueSounds, probs);
}
//Instance Limit
soundbankreader.ReadUInt32 ();
soundbankreader.ReadByte ();
soundbankreader.ReadByte ();
cues.Add(cue.Name, cue);
}
}
}
loaded = true;
}
internal void AddSound(XactSound sound)
{
sounds.Add(sound);
}
internal Cue(AudioEngine engine, string cuename, XactSound sound)
{
_engine = engine;
_name = cuename;
_sounds = new XactSound[1];
_sounds[0] = sound;
_probs = new float[1];
_probs[0] = 1.0f;
}
/// <summary>Requests playback of a prepared or preparing Cue.</summary>
/// <remarks>Calling Play when the Cue already is playing can result in an InvalidOperationException.</remarks>
public void Play()
{
if (!_engine._activeCues.Contains(this))
_engine._activeCues.Add(this);
//TODO: Probabilities
var index = XactHelpers.Random.Next(_sounds.Length);
_curSound = _sounds[index];
_curSound.SetCueVolume(_volume);
_curSound.Play();
}
internal Cue(AudioEngine engine, string cuename, XactSound[] sounds, float[] probs)
{
_engine = engine;
_name = cuename;
_sounds = sounds;
_probs = probs;
}
internal Cue(AudioEngine engine, string cuename, XactSound[] _sounds, float[] _probs)
{
this.engine = engine;
name = cuename;
sounds = _sounds;
probs = _probs;
}
private void Load()
{
FileStream fileStream = new FileStream(this.filename, FileMode.Open);
BinaryReader soundReader = new BinaryReader((Stream) fileStream);
if ((int) soundReader.ReadUInt32() != 1262634067)
throw new Exception("Bad soundbank format");
uint num1 = (uint) soundReader.ReadUInt16();
if ((int) soundReader.ReadUInt16() == 46)
;
uint num2 = (uint) soundReader.ReadUInt16();
soundReader.ReadUInt32();
soundReader.ReadUInt32();
uint num3 = (uint) soundReader.ReadByte();
uint num4 = (uint) soundReader.ReadUInt16();
uint num5 = (uint) soundReader.ReadUInt16();
int num6 = (int) soundReader.ReadUInt16();
uint num7 = (uint) soundReader.ReadUInt16();
uint num8 = (uint) soundReader.ReadByte();
uint num9 = (uint) soundReader.ReadUInt16();
uint num10 = (uint) soundReader.ReadUInt16();
int num11 = (int) soundReader.ReadUInt16();
uint num12 = soundReader.ReadUInt32();
uint num13 = soundReader.ReadUInt32();
uint num14 = soundReader.ReadUInt32();
int num15 = (int) soundReader.ReadUInt32();
soundReader.ReadUInt32();
int num16 = (int) soundReader.ReadUInt32();
uint num17 = soundReader.ReadUInt32();
soundReader.ReadUInt32();
soundReader.ReadUInt32();
soundReader.ReadUInt32();
this.name = Encoding.UTF8.GetString(soundReader.ReadBytes(64)).Replace("\0", "");
fileStream.Seek((long) num17, SeekOrigin.Begin);
this.waveBanks = new WaveBank[(IntPtr) num8];
for (int index1 = 0; (long) index1 < (long) num8; ++index1)
{
string index2 = Encoding.UTF8.GetString(soundReader.ReadBytes(64)).Replace("\0", "");
this.waveBanks[index1] = this.audioengine.Wavebanks[index2];
}
fileStream.Seek((long) num14, SeekOrigin.Begin);
string[] strArray = Encoding.UTF8.GetString(soundReader.ReadBytes((int) num10)).Split(new char[1]);
fileStream.Seek((long) num12, SeekOrigin.Begin);
for (int index = 0; (long) index < (long) num4; ++index)
{
soundReader.ReadByte();
uint soundOffset = soundReader.ReadUInt32();
XactSound sound = new XactSound(this, soundReader, soundOffset);
Cue cue = new Cue(this.audioengine, strArray[index], sound);
this.cues.Add(cue.Name, cue);
}
fileStream.Seek((long) num13, SeekOrigin.Begin);
for (int index1 = 0; (long) index1 < (long) num5; ++index1)
{
Cue cue;
if (((int) soundReader.ReadByte() >> 2 & 1) != 0)
{
uint soundOffset = soundReader.ReadUInt32();
int num18 = (int) soundReader.ReadUInt32();
XactSound sound = new XactSound(this, soundReader, soundOffset);
cue = new Cue(this.audioengine, strArray[(long) num4 + (long) index1], sound);
}
else
{
uint num18 = soundReader.ReadUInt32();
soundReader.ReadUInt32();
long position = fileStream.Position;
fileStream.Seek((long) num18, SeekOrigin.Begin);
uint num19 = (uint) soundReader.ReadUInt16();
uint num20 = (uint) soundReader.ReadUInt16();
int num21 = (int) soundReader.ReadByte();
int num22 = (int) soundReader.ReadUInt16();
int num23 = (int) soundReader.ReadByte();
XactSound[] _sounds = new XactSound[(IntPtr) num19];
float[] _probs = new float[(IntPtr) num19];
uint num24 = num20 >> 3 & 7U;
for (int index2 = 0; (long) index2 < (long) num19; ++index2)
{
byte num25;
byte num26;
switch (num24)
{
case 0U:
uint trackIndex1 = (uint) soundReader.ReadUInt16();
byte waveBankIndex1 = soundReader.ReadByte();
num25 = soundReader.ReadByte();
num26 = soundReader.ReadByte();
_sounds[index2] = new XactSound(this.GetWave(waveBankIndex1, trackIndex1));
break;
case 1U:
uint soundOffset = soundReader.ReadUInt32();
num25 = soundReader.ReadByte();
num26 = soundReader.ReadByte();
_sounds[index2] = new XactSound(this, soundReader, soundOffset);
break;
case 4U:
uint trackIndex2 = (uint) soundReader.ReadUInt16();
byte waveBankIndex2 = soundReader.ReadByte();
_sounds[index2] = new XactSound(this.GetWave(waveBankIndex2, trackIndex2));
break;
default:
throw new NotImplementedException();
}
}
fileStream.Seek(position, SeekOrigin.Begin);
cue = new Cue(strArray[(long) num4 + (long) index1], _sounds, _probs);
}
int num27 = (int) soundReader.ReadUInt32();
int num28 = (int) soundReader.ReadByte();
int num29 = (int) soundReader.ReadByte();
this.cues.Add(cue.Name, cue);
}
soundReader.Close();
fileStream.Close();
this.loaded = true;
}
/// <param name="audioEngine">AudioEngine that will be associated with this sound bank.</param>
/// <param name="fileName">Path to a .xsb SoundBank file.</param>
public SoundBank(AudioEngine audioEngine, string fileName)
{
_audioengine = audioEngine;
fileName = FileHelpers.NormalizeFilePathSeparators(fileName);
#if !ANDROID
using (var stream = TitleContainer.OpenStream(fileName))
{
#else
using (var fileStream = Game.Activity.Assets.Open(fileName))
{
MemoryStream stream = new MemoryStream();
fileStream.CopyTo(stream);
stream.Position = 0;
#endif
using (var reader = new BinaryReader(stream))
{
// Thanks to Liandril for "xactxtract" for some of the offsets.
uint magic = reader.ReadUInt32();
if (magic != 0x4B424453) //"SDBK"
{
throw new Exception("Bad soundbank format");
}
reader.ReadUInt16(); // toolVersion
uint formatVersion = reader.ReadUInt16();
// TODO: This does not match XNA, XNA uses 43.
if (formatVersion != 46)
{
Debug.WriteLine("Warning: SoundBank format {0} not supported.", formatVersion);
}
reader.ReadUInt16(); // crc, TODO: Verify crc (FCS16)
reader.ReadUInt32(); // lastModifiedLow
reader.ReadUInt32(); // lastModifiedHigh
reader.ReadByte(); // platform ???
uint numSimpleCues = reader.ReadUInt16();
uint numComplexCues = reader.ReadUInt16();
reader.ReadUInt16(); //unkn
reader.ReadUInt16(); // numTotalCues
uint numWaveBanks = reader.ReadByte();
reader.ReadUInt16(); // numSounds
uint cueNameTableLen = reader.ReadUInt16();
reader.ReadUInt16(); //unkn
uint simpleCuesOffset = reader.ReadUInt32();
uint complexCuesOffset = reader.ReadUInt32(); //unkn
uint cueNamesOffset = reader.ReadUInt32();
reader.ReadUInt32(); //unkn
reader.ReadUInt32(); // variationTablesOffset
reader.ReadUInt32(); //unkn
uint waveBankNameTableOffset = reader.ReadUInt32();
reader.ReadUInt32(); // cueNameHashTableOffset
reader.ReadUInt32(); // cueNameHashValsOffset
reader.ReadUInt32(); // soundsOffset
//name = System.Text.Encoding.UTF8.GetString(soundbankreader.ReadBytes(64),0,64).Replace("\0","");
//parse wave bank name table
stream.Seek(waveBankNameTableOffset, SeekOrigin.Begin);
_waveBanks = new WaveBank[numWaveBanks];
_waveBankNames = new string[numWaveBanks];
for (int i = 0; i < numWaveBanks; i++)
{
_waveBankNames[i] = System.Text.Encoding.UTF8.GetString(reader.ReadBytes(64), 0, 64).Replace("\0", "");
}
//parse cue name table
stream.Seek(cueNamesOffset, SeekOrigin.Begin);
string[] cueNames = System.Text.Encoding.UTF8.GetString(reader.ReadBytes((int)cueNameTableLen), 0, (int)cueNameTableLen).Split('\0');
// Simple cues
if (numSimpleCues > 0)
{
stream.Seek(simpleCuesOffset, SeekOrigin.Begin);
for (int i = 0; i < numSimpleCues; i++)
{
reader.ReadByte(); // flags
uint soundOffset = reader.ReadUInt32();
var oldPosition = stream.Position;
stream.Seek(soundOffset, SeekOrigin.Begin);
XactSound sound = new XactSound(this, reader);
stream.Seek(oldPosition, SeekOrigin.Begin);
Cue cue = new Cue(_audioengine, cueNames[i], sound);
_cues.Add(cue.Name, cue);
}
}
// Complex cues
if (numComplexCues > 0)
{
stream.Seek(complexCuesOffset, SeekOrigin.Begin);
for (int i = 0; i < numComplexCues; i++)
{
Cue cue;
byte flags = reader.ReadByte();
if (((flags >> 2) & 1) != 0)
{
uint soundOffset = reader.ReadUInt32();
reader.ReadUInt32(); //unkn
var oldPosition = stream.Position;
stream.Seek(soundOffset, SeekOrigin.Begin);
XactSound sound = new XactSound(this, reader);
stream.Seek(oldPosition, SeekOrigin.Begin);
cue = new Cue(_audioengine, cueNames[numSimpleCues + i], sound);
}
else
{
uint variationTableOffset = reader.ReadUInt32();
reader.ReadUInt32(); // transitionTableOffset
//parse variation table
long savepos = stream.Position;
stream.Seek(variationTableOffset, SeekOrigin.Begin);
uint numEntries = reader.ReadUInt16();
uint variationflags = reader.ReadUInt16();
reader.ReadByte();
reader.ReadUInt16();
reader.ReadByte();
XactSound[] cueSounds = new XactSound[numEntries];
float[] probs = new float[numEntries];
uint tableType = (variationflags >> 3) & 0x7;
for (int j = 0; j < numEntries; j++)
{
switch (tableType)
{
case 0: //Wave
{
int trackIndex = reader.ReadUInt16();
int waveBankIndex = reader.ReadByte();
reader.ReadByte(); // weightMin
reader.ReadByte(); // weightMax
cueSounds[j] = new XactSound(this, waveBankIndex, trackIndex);
break;
}
case 1:
{
uint soundOffset = reader.ReadUInt32();
reader.ReadByte(); // weightMin
reader.ReadByte(); // weightMax
var oldPosition = stream.Position;
stream.Seek(soundOffset, SeekOrigin.Begin);
cueSounds[j] = new XactSound(this, reader);
stream.Seek(oldPosition, SeekOrigin.Begin);
break;
}
case 3:
{
uint soundOffset = reader.ReadUInt32();
var weightMin = reader.ReadSingle();
var weightMax = reader.ReadSingle();
var varFlags = reader.ReadUInt32();
var linger = (varFlags & 0x01) == 0x01;
var oldPosition = stream.Position;
stream.Seek(soundOffset, SeekOrigin.Begin);
cueSounds[j] = new XactSound(this, reader);
stream.Seek(oldPosition, SeekOrigin.Begin);
break;
}
case 4: //CompactWave
{
int trackIndex = reader.ReadUInt16();
int waveBankIndex = reader.ReadByte();
cueSounds[j] = new XactSound(this, waveBankIndex, trackIndex);
break;
}
default:
throw new NotSupportedException();
}
}
stream.Seek(savepos, SeekOrigin.Begin);
cue = new Cue(_audioengine, cueNames[numSimpleCues + i], cueSounds, probs);
}
// Instance limiting
var instanceLimit = reader.ReadByte();
var fadeInSec = reader.ReadUInt16() / 1000.0f;
var fadeOutSec = reader.ReadUInt16() / 1000.0f;
var instanceFlags = reader.ReadByte();
_cues.Add(cue.Name, cue);
}
}
}
}
}
internal Cue (AudioEngine engine, string cuename, XactSound sound)
{
this.engine = engine;
name = cuename;
sounds = new XactSound[1];
sounds[0] = sound;
probs = new float[1];
probs[0] = 1.0f;
}
/// <param name="audioEngine">AudioEngine that will be associated with this sound bank.</param>
/// <param name="fileName">Path to a .xsb SoundBank file.</param>
public SoundBank(AudioEngine audioEngine, string fileName)
{
_audioengine = audioEngine;
fileName = FileHelpers.NormalizeFilePathSeparators(fileName);
#if !ANDROID
using (var stream = TitleContainer.OpenStream(fileName))
{
#else
using (var fileStream = Game.Activity.Assets.Open(fileName))
{
MemoryStream stream = new MemoryStream();
fileStream.CopyTo(stream);
stream.Position = 0;
#endif
using (var reader = new BinaryReader(stream))
{
// Thanks to Liandril for "xactxtract" for some of the offsets.
uint magic = reader.ReadUInt32();
if (magic != 0x4B424453) //"SDBK"
throw new Exception ("Bad soundbank format");
reader.ReadUInt16(); // toolVersion
uint formatVersion = reader.ReadUInt16();
if (formatVersion != 46)
Debug.WriteLine("Warning: SoundBank format {0} not supported.", formatVersion);
reader.ReadUInt16(); // crc, TODO: Verify crc (FCS16)
reader.ReadUInt32(); // lastModifiedLow
reader.ReadUInt32(); // lastModifiedHigh
reader.ReadByte(); // platform ???
uint numSimpleCues = reader.ReadUInt16();
uint numComplexCues = reader.ReadUInt16();
reader.ReadUInt16(); //unkn
reader.ReadUInt16(); // numTotalCues
uint numWaveBanks = reader.ReadByte();
reader.ReadUInt16(); // numSounds
uint cueNameTableLen = reader.ReadUInt16();
reader.ReadUInt16(); //unkn
uint simpleCuesOffset = reader.ReadUInt32();
uint complexCuesOffset = reader.ReadUInt32(); //unkn
uint cueNamesOffset = reader.ReadUInt32();
reader.ReadUInt32(); //unkn
reader.ReadUInt32(); // variationTablesOffset
reader.ReadUInt32(); //unkn
uint waveBankNameTableOffset = reader.ReadUInt32();
reader.ReadUInt32(); // cueNameHashTableOffset
reader.ReadUInt32(); // cueNameHashValsOffset
reader.ReadUInt32(); // soundsOffset
//name = System.Text.Encoding.UTF8.GetString(soundbankreader.ReadBytes(64),0,64).Replace("\0","");
//parse wave bank name table
stream.Seek(waveBankNameTableOffset, SeekOrigin.Begin);
_waveBanks = new WaveBank[numWaveBanks];
_waveBankNames = new string[numWaveBanks];
for (int i=0; i<numWaveBanks; i++)
_waveBankNames[i] = System.Text.Encoding.UTF8.GetString(reader.ReadBytes(64), 0, 64).Replace("\0", "");
//parse cue name table
stream.Seek(cueNamesOffset, SeekOrigin.Begin);
string[] cueNames = System.Text.Encoding.UTF8.GetString(reader.ReadBytes((int)cueNameTableLen), 0, (int)cueNameTableLen).Split('\0');
// Simple cues
stream.Seek(simpleCuesOffset, SeekOrigin.Begin);
for (int i=0; i<numSimpleCues; i++)
{
reader.ReadByte(); // flags
uint soundOffset = reader.ReadUInt32();
var oldPosition = stream.Position;
stream.Seek(soundOffset, SeekOrigin.Begin);
XactSound sound = new XactSound(this, reader);
stream.Seek(oldPosition, SeekOrigin.Begin);
Cue cue = new Cue(_audioengine, cueNames[i], sound);
_cues.Add(cue.Name, cue);
}
// Complex cues
stream.Seek(complexCuesOffset, SeekOrigin.Begin);
for (int i=0; i<numComplexCues; i++)
{
Cue cue;
byte flags = reader.ReadByte ();
if (((flags >> 2) & 1) != 0)
{
uint soundOffset = reader.ReadUInt32();
reader.ReadUInt32(); //unkn
var oldPosition = stream.Position;
stream.Seek(soundOffset, SeekOrigin.Begin);
XactSound sound = new XactSound(this, reader);
stream.Seek(oldPosition, SeekOrigin.Begin);
cue = new Cue(_audioengine, cueNames[numSimpleCues + i], sound);
}
else
{
uint variationTableOffset = reader.ReadUInt32();
reader.ReadUInt32(); // transitionTableOffset
//parse variation table
long savepos = stream.Position;
stream.Seek(variationTableOffset, SeekOrigin.Begin);
uint numEntries = reader.ReadUInt16();
uint variationflags = reader.ReadUInt16();
reader.ReadByte();
reader.ReadUInt16();
reader.ReadByte();
XactSound[] cueSounds = new XactSound[numEntries];
float[] probs = new float[numEntries];
uint tableType = (variationflags >> 3) & 0x7;
for (int j=0; j<numEntries; j++) {
switch (tableType) {
case 0: //Wave
{
int trackIndex = reader.ReadUInt16();
int waveBankIndex = reader.ReadByte();
reader.ReadByte(); // weightMin
reader.ReadByte(); // weightMax
cueSounds[j] = new XactSound(this, waveBankIndex, trackIndex);
break;
}
case 1:
{
uint soundOffset = reader.ReadUInt32();
reader.ReadByte(); // weightMin
reader.ReadByte(); // weightMax
var oldPosition = stream.Position;
stream.Seek(soundOffset, SeekOrigin.Begin);
cueSounds[j] = new XactSound(this, reader);
stream.Seek(oldPosition, SeekOrigin.Begin);
break;
}
case 3:
{
uint soundOffset = reader.ReadUInt32();
var weightMin = reader.ReadSingle();
var weightMax = reader.ReadSingle();
var varFlags = reader.ReadUInt32();
var linger = (varFlags & 0x01) == 0x01;
var oldPosition = stream.Position;
stream.Seek(soundOffset, SeekOrigin.Begin);
cueSounds[j] = new XactSound(this, reader);
stream.Seek(oldPosition, SeekOrigin.Begin);
break;
}
case 4: //CompactWave
{
int trackIndex = reader.ReadUInt16();
int waveBankIndex = reader.ReadByte();
cueSounds[j] = new XactSound(this, waveBankIndex, trackIndex);
break;
}
default:
throw new NotSupportedException();
}
}
stream.Seek(savepos, SeekOrigin.Begin);
cue = new Cue(_audioengine, cueNames[numSimpleCues+i], cueSounds, probs);
}
// Instance limiting
var instanceLimit = reader.ReadByte();
var fadeInSec = reader.ReadUInt16() / 1000.0f;
var fadeOutSec = reader.ReadUInt16() / 1000.0f;
var instanceFlags = reader.ReadByte();
_cues.Add(cue.Name, cue);
}
}
}
}
private void Load()
{
using (FileStream fileStream = new FileStream(this.filename, FileMode.Open))
{
using (BinaryReader soundReader = new BinaryReader((Stream)fileStream))
{
if ((int)soundReader.ReadUInt32() != 1262634067)
{
throw new Exception("Bad soundbank format");
}
int num1 = (int)soundReader.ReadUInt16();
int num2 = (int)soundReader.ReadUInt16();
int num3 = (int)soundReader.ReadUInt16();
int num4 = (int)soundReader.ReadUInt32();
int num5 = (int)soundReader.ReadUInt32();
int num6 = (int)soundReader.ReadByte();
uint num7 = (uint)soundReader.ReadUInt16();
uint num8 = (uint)soundReader.ReadUInt16();
int num9 = (int)soundReader.ReadUInt16();
int num10 = (int)soundReader.ReadUInt16();
uint num11 = (uint)soundReader.ReadByte();
int num12 = (int)soundReader.ReadUInt16();
uint num13 = (uint)soundReader.ReadUInt16();
int num14 = (int)soundReader.ReadUInt16();
uint num15 = soundReader.ReadUInt32();
uint num16 = soundReader.ReadUInt32();
uint num17 = soundReader.ReadUInt32();
int num18 = (int)soundReader.ReadUInt32();
int num19 = (int)soundReader.ReadUInt32();
int num20 = (int)soundReader.ReadUInt32();
uint num21 = soundReader.ReadUInt32();
int num22 = (int)soundReader.ReadUInt32();
int num23 = (int)soundReader.ReadUInt32();
int num24 = (int)soundReader.ReadUInt32();
this.name = Encoding.UTF8.GetString(soundReader.ReadBytes(64)).Replace("\0", "");
fileStream.Seek((long)num21, SeekOrigin.Begin);
this.waveBanks = new WaveBank[(IntPtr)num11];
for (int index1 = 0; (long)index1 < (long)num11; ++index1)
{
string index2 = Encoding.UTF8.GetString(soundReader.ReadBytes(64)).Replace("\0", "");
this.waveBanks[index1] = this.audioengine.Wavebanks[index2];
}
fileStream.Seek((long)num17, SeekOrigin.Begin);
string[] strArray = Encoding.UTF8.GetString(soundReader.ReadBytes((int)num13)).Split(new char[1]);
fileStream.Seek((long)num15, SeekOrigin.Begin);
for (int index = 0; (long)index < (long)num7; ++index)
{
int num25 = (int)soundReader.ReadByte();
uint soundOffset = soundReader.ReadUInt32();
XactSound sound = new XactSound(this, soundReader, soundOffset);
Cue cue = new Cue(this.audioengine, strArray[index], sound);
this.cues.Add(cue.Name, cue);
}
fileStream.Seek((long)num16, SeekOrigin.Begin);
for (int index1 = 0; (long)index1 < (long)num8; ++index1)
{
Cue cue;
if (((int)soundReader.ReadByte() >> 2 & 1) != 0)
{
uint soundOffset = soundReader.ReadUInt32();
int num25 = (int)soundReader.ReadUInt32();
XactSound sound = new XactSound(this, soundReader, soundOffset);
cue = new Cue(this.audioengine, strArray[(long)num7 + (long)index1], sound);
}
else
{
uint num25 = soundReader.ReadUInt32();
int num26 = (int)soundReader.ReadUInt32();
long position = fileStream.Position;
fileStream.Seek((long)num25, SeekOrigin.Begin);
uint num27 = (uint)soundReader.ReadUInt16();
uint num28 = (uint)soundReader.ReadUInt16();
int num29 = (int)soundReader.ReadByte();
int num30 = (int)soundReader.ReadUInt16();
int num31 = (int)soundReader.ReadByte();
XactSound[] _sounds = new XactSound[(IntPtr)num27];
float[] _probs = new float[(IntPtr)num27];
uint num32 = num28 >> 3 & 7U;
for (int index2 = 0; (long)index2 < (long)num27; ++index2)
{
switch (num32)
{
case 0U:
uint trackIndex1 = (uint)soundReader.ReadUInt16();
byte waveBankIndex1 = soundReader.ReadByte();
int num33 = (int)soundReader.ReadByte();
int num34 = (int)soundReader.ReadByte();
_sounds[index2] = new XactSound(this.GetWave(waveBankIndex1, trackIndex1));
break;
case 1U:
uint soundOffset = soundReader.ReadUInt32();
int num35 = (int)soundReader.ReadByte();
int num36 = (int)soundReader.ReadByte();
_sounds[index2] = new XactSound(this, soundReader, soundOffset);
break;
case 4U:
uint trackIndex2 = (uint)soundReader.ReadUInt16();
byte waveBankIndex2 = soundReader.ReadByte();
_sounds[index2] = new XactSound(this.GetWave(waveBankIndex2, trackIndex2));
break;
default:
throw new NotImplementedException();
}
}
fileStream.Seek(position, SeekOrigin.Begin);
cue = new Cue(strArray[(long)num7 + (long)index1], _sounds, _probs);
}
int num37 = (int)soundReader.ReadUInt32();
int num38 = (int)soundReader.ReadByte();
int num39 = (int)soundReader.ReadByte();
this.cues.Add(cue.Name, cue);
}
}
}
this.loaded = true;
}
public void Play()
{
this.curSound = this.sounds[this.variationRand.Next(this.sounds.Length)];
this.curSound.Volume = this.volume;
this.curSound.Play();
this.paused = false;
}
/// <param name="audioEngine">AudioEngine that will be associated with this sound bank.</param>
/// <param name="fileName">Path to a .xsb SoundBank file.</param>
public SoundBank(AudioEngine audioEngine, string fileName)
{
if (audioEngine == null)
{
throw new ArgumentNullException("audioEngine");
}
if (string.IsNullOrEmpty(fileName))
{
throw new ArgumentNullException("fileName");
}
_audioengine = audioEngine;
using (var stream = AudioEngine.OpenStream(fileName))
using (var reader = new BinaryReader(stream))
{
// Thanks to Liandril for "xactxtract" for some of the offsets.
uint magic = reader.ReadUInt32();
if (magic != 0x4B424453) //"SDBK"
{
throw new Exception("Bad soundbank format");
}
reader.ReadUInt16(); // toolVersion
uint formatVersion = reader.ReadUInt16();
if (formatVersion != 43)
{
Debug.WriteLine("Warning: SoundBank format {0} not supported.", formatVersion);
}
reader.ReadUInt16(); // crc, TODO: Verify crc (FCS16)
reader.ReadUInt32(); // lastModifiedLow
reader.ReadUInt32(); // lastModifiedHigh
reader.ReadByte(); // platform ???
uint numSimpleCues = reader.ReadUInt16();
uint numComplexCues = reader.ReadUInt16();
reader.ReadUInt16(); //unkn
reader.ReadUInt16(); // numTotalCues
uint numWaveBanks = reader.ReadByte();
reader.ReadUInt16(); // numSounds
uint cueNameTableLen = reader.ReadUInt16();
reader.ReadUInt16(); //unkn
uint simpleCuesOffset = reader.ReadUInt32();
uint complexCuesOffset = reader.ReadUInt32(); //unkn
uint cueNamesOffset = reader.ReadUInt32();
reader.ReadUInt32(); //unkn
reader.ReadUInt32(); // variationTablesOffset
reader.ReadUInt32(); //unkn
uint waveBankNameTableOffset = reader.ReadUInt32();
reader.ReadUInt32(); // cueNameHashTableOffset
reader.ReadUInt32(); // cueNameHashValsOffset
reader.ReadUInt32(); // soundsOffset
//name = System.Text.Encoding.UTF8.GetString(soundbankreader.ReadBytes(64),0,64).Replace("\0","");
//parse wave bank name table
stream.Seek(waveBankNameTableOffset, SeekOrigin.Begin);
_waveBanks = new WaveBank[numWaveBanks];
_waveBankNames = new string[numWaveBanks];
for (int i = 0; i < numWaveBanks; i++)
{
_waveBankNames[i] = System.Text.Encoding.UTF8.GetString(reader.ReadBytes(64), 0, 64).Replace("\0", "");
}
//parse cue name table
stream.Seek(cueNamesOffset, SeekOrigin.Begin);
string[] cueNames = System.Text.Encoding.UTF8.GetString(reader.ReadBytes((int)cueNameTableLen), 0, (int)cueNameTableLen).Split('\0');
// Simple cues
if (numSimpleCues > 0)
{
stream.Seek(simpleCuesOffset, SeekOrigin.Begin);
for (int i = 0; i < numSimpleCues; i++)
{
reader.ReadByte(); // flags
uint soundOffset = reader.ReadUInt32();
var oldPosition = stream.Position;
stream.Seek(soundOffset, SeekOrigin.Begin);
XactSound sound = new XactSound(audioEngine, this, reader);
stream.Seek(oldPosition, SeekOrigin.Begin);
_sounds.Add(cueNames [i], new XactSound [] { sound });
_probabilities.Add(cueNames [i], defaultProbability);
}
}
// Complex cues
if (numComplexCues > 0)
{
stream.Seek(complexCuesOffset, SeekOrigin.Begin);
for (int i = 0; i < numComplexCues; i++)
{
byte flags = reader.ReadByte();
if (((flags >> 2) & 1) != 0)
{
uint soundOffset = reader.ReadUInt32();
reader.ReadUInt32(); //unkn
var oldPosition = stream.Position;
stream.Seek(soundOffset, SeekOrigin.Begin);
XactSound sound = new XactSound(audioEngine, this, reader);
stream.Seek(oldPosition, SeekOrigin.Begin);
_sounds.Add(cueNames [numSimpleCues + i], new XactSound [] { sound });
_probabilities.Add(cueNames [numSimpleCues + i], defaultProbability);
}
else
{
uint variationTableOffset = reader.ReadUInt32();
reader.ReadUInt32(); // transitionTableOffset
//parse variation table
long savepos = stream.Position;
stream.Seek(variationTableOffset, SeekOrigin.Begin);
uint numEntries = reader.ReadUInt16();
uint variationflags = reader.ReadUInt16();
reader.ReadByte();
reader.ReadUInt16();
reader.ReadByte();
XactSound[] cueSounds = new XactSound[numEntries];
float[] probs = new float[numEntries];
uint tableType = (variationflags >> 3) & 0x7;
for (int j = 0; j < numEntries; j++)
{
switch (tableType)
{
case 0: //Wave
{
int trackIndex = reader.ReadUInt16();
int waveBankIndex = reader.ReadByte();
reader.ReadByte(); // weightMin
reader.ReadByte(); // weightMax
cueSounds[j] = new XactSound(this, waveBankIndex, trackIndex);
break;
}
case 1:
{
uint soundOffset = reader.ReadUInt32();
reader.ReadByte(); // weightMin
reader.ReadByte(); // weightMax
var oldPosition = stream.Position;
stream.Seek(soundOffset, SeekOrigin.Begin);
cueSounds[j] = new XactSound(audioEngine, this, reader);
stream.Seek(oldPosition, SeekOrigin.Begin);
break;
}
case 3:
{
uint soundOffset = reader.ReadUInt32();
reader.ReadSingle(); // weightMin
reader.ReadSingle(); // weightMax
reader.ReadUInt32(); // flags
var oldPosition = stream.Position;
stream.Seek(soundOffset, SeekOrigin.Begin);
cueSounds[j] = new XactSound(audioEngine, this, reader);
stream.Seek(oldPosition, SeekOrigin.Begin);
break;
}
case 4: //CompactWave
{
int trackIndex = reader.ReadUInt16();
int waveBankIndex = reader.ReadByte();
cueSounds[j] = new XactSound(this, waveBankIndex, trackIndex);
break;
}
default:
throw new NotSupportedException();
}
}
stream.Seek(savepos, SeekOrigin.Begin);
_sounds.Add(cueNames [numSimpleCues + i], cueSounds);
_probabilities.Add(cueNames [numSimpleCues + i], probs);
}
// Instance limiting
reader.ReadByte(); //instanceLimit
reader.ReadUInt16(); //fadeInSec, divide by 1000.0f
reader.ReadUInt16(); //fadeOutSec, divide by 1000.0f
reader.ReadByte(); //instanceFlags
}
}
}
}
/// <summary>Requests playback of a prepared or preparing Cue.</summary>
/// <remarks>Calling Play when the Cue already is playing can result in an InvalidOperationException.</remarks>
public void Play()
{
if (!engine._activeCues.Contains(this))
engine._activeCues.Add(this);
//TODO: Probabilities
var index = XactHelpers.Random.Next(sounds.Length);
curSound = sounds[index];
curSound.Volume = volume;
curSound.Play();
}
//Defer loading because some programs load soundbanks before wavebanks
private void Load()
{
#if !ANDROID
using (Stream soundbankstream = TitleContainer.OpenStream(filename))
{
#else
using (var fileStream = Game.Activity.Assets.Open(filename))
{
MemoryStream soundbankstream = new MemoryStream();
fileStream.CopyTo(soundbankstream);
soundbankstream.Position = 0;
#endif
using (BinaryReader soundbankreader = new BinaryReader(soundbankstream))
{
//Parse the SoundBank.
//Thanks to Liandril for "xactxtract" for some of the offsets
uint magic = soundbankreader.ReadUInt32();
if (magic != 0x4B424453) //"SDBK"
{
throw new Exception("Bad soundbank format");
}
uint toolVersion = soundbankreader.ReadUInt16();
uint formatVersion = soundbankreader.ReadUInt16();
if (formatVersion != 46)
{
#if DEBUG
System.Diagnostics.Debug.WriteLine("Warning: SoundBank format not supported");
#endif
}
uint crc = soundbankreader.ReadUInt16();
//TODO: Verify crc (FCS16)
uint lastModifiedLow = soundbankreader.ReadUInt32();
uint lastModifiedHigh = soundbankreader.ReadUInt32();
uint platform = soundbankreader.ReadByte(); //???
uint numSimpleCues = soundbankreader.ReadUInt16();
uint numComplexCues = soundbankreader.ReadUInt16();
soundbankreader.ReadUInt16(); //unkn
uint numTotalCues = soundbankreader.ReadUInt16();
uint numWaveBanks = soundbankreader.ReadByte();
uint numSounds = soundbankreader.ReadUInt16();
uint cueNameTableLen = soundbankreader.ReadUInt16();
soundbankreader.ReadUInt16(); //unkn
uint simpleCuesOffset = soundbankreader.ReadUInt32();
uint complexCuesOffset = soundbankreader.ReadUInt32(); //unkn
uint cueNamesOffset = soundbankreader.ReadUInt32();
soundbankreader.ReadUInt32(); //unkn
uint variationTablesOffset = soundbankreader.ReadUInt32();
soundbankreader.ReadUInt32(); //unkn
uint waveBankNameTableOffset = soundbankreader.ReadUInt32();
uint cueNameHashTableOffset = soundbankreader.ReadUInt32();
uint cueNameHashValsOffset = soundbankreader.ReadUInt32();
uint soundsOffset = soundbankreader.ReadUInt32();
name = System.Text.Encoding.UTF8.GetString(soundbankreader.ReadBytes(64), 0, 64).Replace("\0", "");
//parse wave bank name table
soundbankstream.Seek(waveBankNameTableOffset, SeekOrigin.Begin);
waveBanks = new WaveBank[numWaveBanks];
for (int i = 0; i < numWaveBanks; i++)
{
string bankname = System.Text.Encoding.UTF8.GetString(soundbankreader.ReadBytes(64), 0, 64).Replace("\0", "");
waveBanks[i] = audioengine.Wavebanks[bankname];
}
//parse cue name table
soundbankstream.Seek(cueNamesOffset, SeekOrigin.Begin);
string[] cueNames = System.Text.Encoding.UTF8.GetString(soundbankreader.ReadBytes((int)cueNameTableLen), 0, (int)cueNameTableLen).Split('\0');
soundbankstream.Seek(simpleCuesOffset, SeekOrigin.Begin);
for (int i = 0; i < numSimpleCues; i++)
{
byte flags = soundbankreader.ReadByte();
uint soundOffset = soundbankreader.ReadUInt32();
XactSound sound = new XactSound(this, soundbankreader, soundOffset);
Cue cue = new Cue(audioengine, cueNames[i], sound);
cues.Add(cue.Name, cue);
}
soundbankstream.Seek(complexCuesOffset, SeekOrigin.Begin);
for (int i = 0; i < numComplexCues; i++)
{
Cue cue;
byte flags = soundbankreader.ReadByte();
if (((flags >> 2) & 1) != 0)
{
//not sure :/
uint soundOffset = soundbankreader.ReadUInt32();
soundbankreader.ReadUInt32(); //unkn
XactSound sound = new XactSound(this, soundbankreader, soundOffset);
cue = new Cue(audioengine, cueNames[numSimpleCues + i], sound);
}
else
{
uint variationTableOffset = soundbankreader.ReadUInt32();
uint transitionTableOffset = soundbankreader.ReadUInt32();
//parse variation table
long savepos = soundbankstream.Position;
soundbankstream.Seek(variationTableOffset, SeekOrigin.Begin);
uint numEntries = soundbankreader.ReadUInt16();
uint variationflags = soundbankreader.ReadUInt16();
soundbankreader.ReadByte();
soundbankreader.ReadUInt16();
soundbankreader.ReadByte();
XactSound[] cueSounds = new XactSound[numEntries];
float[] probs = new float[numEntries];
uint tableType = (variationflags >> 3) & 0x7;
for (int j = 0; j < numEntries; j++)
{
switch (tableType)
{
case 0: //Wave
{
uint trackIndex = soundbankreader.ReadUInt16();
byte waveBankIndex = soundbankreader.ReadByte();
byte weightMin = soundbankreader.ReadByte();
byte weightMax = soundbankreader.ReadByte();
cueSounds[j] = new XactSound(this.GetWave(waveBankIndex, trackIndex));
break;
}
case 1:
{
uint soundOffset = soundbankreader.ReadUInt32();
byte weightMin = soundbankreader.ReadByte();
byte weightMax = soundbankreader.ReadByte();
cueSounds[j] = new XactSound(this, soundbankreader, soundOffset);
break;
}
case 4: //CompactWave
{
uint trackIndex = soundbankreader.ReadUInt16();
byte waveBankIndex = soundbankreader.ReadByte();
cueSounds[j] = new XactSound(this.GetWave(waveBankIndex, trackIndex));
break;
}
default:
throw new NotSupportedException();
}
}
soundbankstream.Seek(savepos, SeekOrigin.Begin);
cue = new Cue(cueNames[numSimpleCues + i], cueSounds, probs);
}
//Instance Limit
soundbankreader.ReadUInt32();
soundbankreader.ReadByte();
soundbankreader.ReadByte();
cues.Add(cue.Name, cue);
}
}
}
loaded = true;
}
public void Play()
{
//TODO: Probabilities
curSound = sounds[variationRand.Next (sounds.Length)];
curSound.Volume = volume;
curSound.Play ();
paused = false;
}