private void readGeneralInfo(BufferedInputStream in, Module module) throws IOException {
// "Extended Module: "
byte b[] = read(in, 17);
if (!(new String(b)).equalsIgnoreCase("Extended Module: ")) {
throw new IOException("This is not a xm file!");
}
// Module name
b = read(in, 20);
module.setTitle(new String(b));
in.read();
// Tracker name
b = read(in, 20);
// version
in.read();
in.read();
// Header size
read(in, 4);
// Song length (in pattern order table)
int[] patorder = new int[make16Bit(read(in, 2))];
// Restart position
module.setRestartPosition(make16Bit(read(in, 2)));
// Number of channels (2,4,6,8,10,...,32)
module.setChannelCount(make16Bit(read(in, 2)));
// Number of patterns (max 128)
module.setPatterns(new Pattern[make16Bit(read(in, 2))]);
// Number of instruments (max 128)
module.setInstruments(new Instrument[make16Bit(read(in, 2))]);
// Flags: bit 0: 0 = Amiga frequency table;
// 1 = Linear frequency table
if ((make16Bit(read(in, 2)) & 0x1) == 0) module.setAmigaFreqTable(true);
// Default tempo
module.setTempo(make16Bit(read(in, 2)));
// Default BPM
module.setBpm(make16Bit(read(in, 2)));
// Pattern order table
b = read(in, 256);
for (int i = 0; i < patorder.length; i++) {
patorder[i] = b[i];
}
module.setPatternOrder(patorder);
}
/**
* Load the file into memory
*
* @param is The InputStream to read the file from
*/
public void load(BufferedInputStream in, Module module) throws IOException {
readGeneralInfo(in, module);
Pattern[] pattern = module.getPatterns();
for (int i = 0; i < pattern.length; i++) {
pattern[i] = new Pattern();
readPattern(in, pattern[i]);
}
Instrument[] instrument = module.getInstruments();
for (int i = 0; i < instrument.length; i++) {
instrument[i] = new Instrument();
readInstrument(in, instrument[i]);
}
in.close();
}