public override bool ReadFromStream(Stream stream)
{
if (!CheckFormat(stream))
{
return(false);
}
fileLength = stream.Length;
baseVolume = 1.0f;
BPM = 125;
tempo = 6;
stream.Seek(0, SeekOrigin.Begin);
moduleID = ModuleUtils.ReadString0(stream, 17);
songName = ModuleUtils.ReadString0(stream, 20);
XM_1A_Byte = (byte)stream.ReadByte();
trackerName = ModuleUtils.ReadString0(stream, 20);
version = ModuleUtils.ReadWord(stream);
headerSize = (uint)ModuleUtils.ReadDWord(stream);
songLength = ModuleUtils.ReadWord(stream);
songRepeatPosition = ModuleUtils.ReadWord(stream);
numberOfChannels = ModuleUtils.ReadWord(stream);
numberOfPatterns = ModuleUtils.ReadWord(stream);
numberOfInstruments = ModuleUtils.ReadWord(stream);
XM_Flags = (uint)ModuleUtils.ReadWord(stream);
tempo = ModuleUtils.ReadWord(stream);
BPM = ModuleUtils.ReadWord(stream);
ReadArrangement(stream); // read pattern order
ReadPatterns(stream); // read patterns
ReadInstruments(stream); // read instruments
DebugMes(InstrumentsToString());
DebugMes(SamplesToString());
mixer = new XM_Mixer(this);
return(true);
}
public void ReadPatternData(Stream stream, string moduleID, uint numberOfChannels, uint numberOfSamples)
{
headerLength = ModuleUtils.ReadDWord(stream);
packingType = ModuleUtils.ReadByte(stream);
numberOfRows = ModuleUtils.ReadWord(stream);
packedSize = ModuleUtils.ReadWord(stream);
long patternEndPosition = stream.Position + packedSize;
patternRows.Clear();
for (int row = 0; row < numberOfRows; row++)
{
ModulePatternRow pRow = new ModulePatternRow();
for (int channel = 0; channel < numberOfChannels; channel++)
{
pRow.patternChannels.Add(CreateNewPatternChannel(stream, numberOfSamples));
}
patternRows.Add(pRow);
}
stream.Seek(patternEndPosition, SeekOrigin.Begin);
}
public void ReadFromStream(Stream stream, ref uint sampleOrder)
{
long startInstrumentPosition = stream.Position;
instrumentSize = ModuleUtils.ReadDWord(stream);
name = ModuleUtils.ReadString0(stream, 22);
instrumentType = ModuleUtils.ReadByte(stream); // Length
samplesNumber = ModuleUtils.ReadWord(stream);
samples.Clear();
if (samplesNumber > 0)
{
headerSize = ModuleUtils.ReadDWord(stream);
for (uint i = 0; i < 96; i++)
{
keymapAssignements.Add(ModuleUtils.ReadByte(stream));
}
for (uint i = 0; i < 24; i++)
{
pointsForVolumeEnvelope.Add(ModuleUtils.ReadWord(stream));
}
for (uint i = 0; i < 24; i++)
{
pointsForPanningEnvelope.Add(ModuleUtils.ReadWord(stream));
}
numberOfVolumePoints = ModuleUtils.ReadByte(stream);
numberOfPanningPoints = ModuleUtils.ReadByte(stream);
volumeSustainPoint = ModuleUtils.ReadByte(stream);
volumeLoopStartPoint = ModuleUtils.ReadByte(stream);
volumeLoopEndPoint = ModuleUtils.ReadByte(stream);
panningSustainPoint = ModuleUtils.ReadByte(stream);
panningLoopStartPoint = ModuleUtils.ReadByte(stream);
panningLoopEndPoint = ModuleUtils.ReadByte(stream);
volumeType = ModuleUtils.ReadByte(stream); // bit 0: On; 1: Sustain; 2: Loop;
panningType = ModuleUtils.ReadByte(stream); // bit 0: On; 1: Sustain; 2: Loop;
vibratoType = ModuleUtils.ReadByte(stream);
vibratoSweep = ModuleUtils.ReadByte(stream);
vibratoDepth = ModuleUtils.ReadByte(stream);
vibratoRate = ModuleUtils.ReadByte(stream);
volumeFadeout = ModuleUtils.ReadWord(stream);
//for (uint i = 0; i < 22; i++) reserved.Add(ModuleUtils.ReadByte(stream));
//System.Diagnostics.Debug.WriteLine("Seek : " + stream.Position + " " + (instrumentSize - 243) + "\n");
stream.Seek(instrumentSize - 241, SeekOrigin.Current);
long sampleDataLength = 0;
for (uint i = 0; i < samplesNumber; i++)
{
var sample = new XM_Sample();
sample.readHeaderFromStream(stream);
sample.orderNumber = sampleOrder++;
samples.Add(sample);
sampleDataLength += sample.sizeInBytes;
}
long startSampleDataPosition = stream.Position;
foreach (XM_Sample sample in samples)
{
sample.readSampleDataFromStream(stream);
}
stream.Seek(startSampleDataPosition + sampleDataLength, SeekOrigin.Begin);
}
else
{
stream.Seek(startInstrumentPosition + instrumentSize, SeekOrigin.Begin);
}
sample = (samples.Count > 0) ? samples[0] : null;
if (sample != null)
{
volume = sample.volume;
}
}