public void write(long time, Instrument instrument1, Instrument instrument2) {
double bid1 = instrument1.getBid();
double ask1 = instrument1.getAsk();
double bid2 = instrument2.getBid();
double ask2 = instrument2.getAsk();
if (bid1 > 0 && ask1 > 0 && bid2 > 0 && ask2 > 0) {
StringBuilder sb = new StringBuilder();
sb.append(dateFormat.format(new Date(time))).append(",");
sb.append(decimalFormat.format(bid1)).append(",");
sb.append(decimalFormat.format(ask1)).append(",");
sb.append(decimalFormat.format(bid2)).append(",");
sb.append(decimalFormat.format(ask2));
writer.println(sb);
writer.flush();
}
}
public void readInstrument(BufferedInputStream in, Instrument instr) throws IOException {
// Instrument size
int size = make32Bit(read(in, 4));
// Instrument name
read(in, 22);
// Instrument type (always 0)
// Note: not always 0 but it says so in the documents...
in.read();
// Number of samples in instrument
Sample[] sample = new Sample[make16Bit(read(in, 2))];
if (sample.length == 0) {
read(in, size - 29);
} else {
// Sample header size
int ssize = make32Bit(read(in, 4));
if (ssize != 40) {
throw new IOException("samplesize != 40!");
}
// Sample number for all notes
instr.setSampleForNote(read(in, 96));
// Points for volume envelope
byte[] volEnvData = read(in, 48);
// Points for panning envelope
byte[] panEnvData = read(in, 48);
// Number of volume points
int points = in.read();
Envelope volumeEnvelope = new Envelope();
volumeEnvelope.setData(makeEnvelopePoints(points, volEnvData));
// Number of panning points
points = in.read();
Envelope panningEnvelope = new Envelope();
panningEnvelope.setData(makeEnvelopePoints(points, panEnvData));
// Volume sustain point
volumeEnvelope.setSustainPosition(in.read());
// Volume loop start point
volumeEnvelope.setLoopStart(in.read());
// Volume loop end point
volumeEnvelope.setLoopEnd(in.read());
// Panning sustain point
panningEnvelope.setSustainPosition(in.read());
// Panning loop start point
panningEnvelope.setLoopStart(in.read());
// Panning loop end point
panningEnvelope.setLoopEnd(in.read());
// Volume type: bit 0: on; 1: Sustain; 2: Loop
volumeEnvelope.setType(in.read());
// Panning type: bit 0: on; 1: Sustain; 2: Loop
panningEnvelope.setType(in.read());
// Vibrato type
Vibrato vibrato = new Vibrato();
vibrato.setType(in.read());
// Vibrato sweep
vibrato.setSweep(in.read());
// Vibrato depth
vibrato.setDepth(in.read());
// Vibrato rate
vibrato.setRate(in.read());
// Volume fadeout
instr.setFadeout(make16Bit(read(in, 2)));
// reserved
read(in, 22);
for (int i = 0; i < sample.length; i++) {
sample[i] = new Sample();
loadSample(in, sample[i]);
}
for (int i = 0; i < sample.length; i++) {
loadSampleData(in, sample[i]);
}
instr.setPanningEnvelope(panningEnvelope);
instr.setVolumeEnvelope(volumeEnvelope);
instr.setVibrato(vibrato);
instr.setSamples(sample);
}
}