public void SaveWAV()
{
if (m_OperationInProgress)
{
return;
}
if (m_WavSave.ShowDialog())
{
StartCoroutine(SaveWAVRoutine(m_WavSave.OpenFile( ), true));
}
}
IEnumerator SaveVGMRoutine(TinyFileDialogs.SaveFileDialog sfd)
{
playback.Stop( );
playback.psg.audioSource.enabled = false;
playback.follow = false;
data.currentPattern = 0;
m_OperationInProgress = true;
bool isCompressed = sfd.filePath.Contains(".vgz");
Stream fileStream = isCompressed ? new MemoryStream( ) : sfd.OpenFile( );
BinaryWriter bw = new BinaryWriter(fileStream);
bw.Write(Encoding.ASCII.GetBytes("Vgm ")); //0x00
//wrote eof offset later when we know 0x04
bw.Seek(0x08, SeekOrigin.Begin);
bw.Write(( uint )0x00000170); //0x08
bw.Write(( uint )playback.psg.chip.clock); //0x0C
//gd3???? 0x14
//write wait values later when we know 0x18
//implement loop offset some rainy day 0x1C + 0x20
bw.Seek(0x24, SeekOrigin.Begin);
bw.Write(( uint )playback.playbackRate); //0x24
bw.Write(( ushort )SN76489.NOISE_TAPPED); //0x28
bw.Write(( byte )(SN76489.NOISE_SR_WIDTH + 1)); //0x2A
bw.Write(( byte )0x00);
bw.Seek(0x34, SeekOrigin.Begin);
bw.Write(( uint )0x0C);
bw.Seek(0x40, SeekOrigin.Begin);
List <PSGWrapper.RegisterWrite> dataSamples = playback.psg.RecordRegisters( );
playback.Play(false);
int c = 0;
while (playback.isPlaying)
{
playback.psg.ManualClock( );
m_Progress = playback.songProgress * 50;
c++;
if (c > 44100)
{
c = 0;
yield return(null);
}
}
playback.psg.RecordRegisters(false);
playback.psg.ResetChip( );
int loopWaitAmount = 0;
int waitAmount = 0;
int loopOffset = 0x40;
int bytesWritten = 0;
bool foundLoop = false;
for (int i = 0; i < dataSamples.Count; i++)
{
if (dataSamples [i].wait > 0)
{
switch (dataSamples [i].wait)
{
case 735:
bw.Write(( byte )VGMCommands.Wait735);
bytesWritten++;
break;
case 882:
bw.Write(( byte )VGMCommands.Wait882);
bytesWritten++;
break;
default:
int totalWait = dataSamples [i].wait;
do
{
bw.Write(( byte )VGMCommands.WaitSamples);
bw.Write(( ushort )System.Math.Min(65535, totalWait));
totalWait -= 65535;
bytesWritten += 3;
} while (totalWait > 65535);
break;
}
if (dataSamples [i].pattern >= playback.patternLoop)
{
loopWaitAmount += dataSamples [i].wait;
}
waitAmount += dataSamples [i].wait;
c++;
if (c > 44100)
{
c = 0;
yield return(null);
}
m_Progress = 50 + (( float )i / dataSamples.Count) * 50;
}
bw.Write(( byte )dataSamples [i].command);
bytesWritten++;
if (dataSamples [i].command != VGMCommands.EOF)
{
bw.Write(( byte )dataSamples [i].data);
bytesWritten++;
}
if (dataSamples [i].pattern == playback.patternLoop && i == 0)
{
foundLoop = true;
}
if (!foundLoop && dataSamples [i].pattern == playback.patternLoop)
{
loopOffset += bytesWritten;
foundLoop = true;
}
}
//bw.Write((byte)0x66);
int gd3Offset = ( int )bw.BaseStream.Position - 0x14;
bw.Write(Encoding.ASCII.GetBytes("Gd3 "));
bw.Write(( uint )0x00010000);
int sizeOffset = ( int )bw.BaseStream.Position;
bw.Write(( uint )0);
bw.Write(Encoding.Unicode.GetBytes(SongData.songName + "\0")); //track name
bw.Write(Encoding.Unicode.GetBytes("\0"));
bw.Write(Encoding.Unicode.GetBytes("\0")); //game name
bw.Write(Encoding.Unicode.GetBytes("\0"));
bw.Write(Encoding.Unicode.GetBytes("Sega Game Gear\0")); //system name
bw.Write(Encoding.Unicode.GetBytes("\0"));
bw.Write(Encoding.Unicode.GetBytes(SongData.artistName + "\0")); //artist name
bw.Write(Encoding.Unicode.GetBytes("\0"));
bw.Write(Encoding.Unicode.GetBytes(System.DateTime.Today.ToString(@"yyyy\/MM\/dd") + "\0")); //release date
bw.Write(Encoding.Unicode.GetBytes("SnoozeTracker\0")); //converter
bw.Write(Encoding.Unicode.GetBytes("https://github.com/tEFFx/SnoozeTracker\0")); //notes
int eofOffset = ( int )bw.BaseStream.Position - 0x04;
bw.Seek(sizeOffset, SeekOrigin.Begin);
bw.Write(( uint )(eofOffset - sizeOffset));
bw.Seek(0x04, SeekOrigin.Begin);
bw.Write(( uint )(eofOffset));
bw.Seek(0x14, SeekOrigin.Begin);
bw.Write(( uint )(gd3Offset));
bw.Seek(0x18, SeekOrigin.Begin);
bw.Write(( uint )waitAmount);
if (playback.patternLoop != 0)
{
bw.Write(( uint )(loopOffset - 0x1C));
bw.Write(( uint )(loopWaitAmount));
}
if (isCompressed)
{
Stream fs = sfd.OpenFile( );
GZipStream gzipStream = new GZipStream(fs, CompressionMode.Compress, CompressionLevel.BestCompression, true);
byte [] buffer = new byte [fileStream.Length];
fileStream.Position = 0;
fileStream.Read(buffer, 0, ( int )fileStream.Length);
gzipStream.Write(buffer, 0, ( int )fileStream.Length);
gzipStream.Close( );
}
bw.Close( );
playback.psg.audioSource.enabled = true;
playback.psg.enabled = false;
playback.psg.enabled = true;
playback.follow = true;
m_OperationInProgress = false;
playback.Stop( );
}
public void SaveFile(bool saveAs = true)
{
playback.Stop( );
if (!saveAs && (m_OpenFile == "" || !File.Exists(m_OpenFile)))
{
saveAs = true;
}
if (!saveAs || m_TuneSave.ShowDialog())
{
SongFile song = new SongFile( );
song.patternLength = data.patternLength;
song.lookupTable = data.lookupTable;
song.transposeTable = data.transposeTable;
song.songData = data.songData;
int presetCount = instruments.presets.Length;
song.instruments = new Instruments.InstrumentInstance [presetCount];
Array.Copy(instruments.presets, song.instruments, presetCount);
song.songName = SongData.songName;
song.artistName = SongData.artistName;
IFormatter formatter = new BinaryFormatter();
Stream fs = !saveAs ? new FileStream(m_OpenFile, FileMode.Create) : m_TuneSave.OpenFile( );
formatter.Serialize(fs, song);
fs.Close( );
if (saveAs)
{
m_OpenFile = m_TuneSave.filePath;
}
fileModified = false;
}
}