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; } }