Пример #1
0
  private void loadDataXM(RandomAccessFile fp) throws IOException {
    byte[] b = new byte[20];

    // WHY THE HELL AM I DOING THIS
    name = Util.readStringNoNul(fp, b, 20);
    System.out.printf("name: \"%s\"\n", name);
    fp.read(); // skip 0x1A byte

    // THIS CAN'T BE HAPPENING
    fp.read(b, 0, 20); // skip tracker name

    // OH HELL NO
    int xmver = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    System.out.printf("XM version: %04X\n", xmver);

    // WHAT IS THIS CRAP
    InhibitedFileBlock ifb = new InhibitedFileBlock(fp, Integer.reverseBytes(fp.readInt()) - 4);

    // HELP ME PLEASE
    int ordnum = 0xFFFF & (int) Short.reverseBytes(ifb.readShort());
    int respos =
        0xFFFF & (int) Short.reverseBytes(ifb.readShort()); // can't be bothered right now --GM
    int chnnum =
        0xFFFF & (int) Short.reverseBytes(ifb.readShort()); // yeah sure, allow out of range values
    if (chnnum > 64)
      throw new RuntimeException(
          String.format("%d-channel modules not supported (max 64)", chnnum));
    int patnum = 0xFFFF & (int) Short.reverseBytes(ifb.readShort());
    int insnum = 0xFFFF & (int) Short.reverseBytes(ifb.readShort());
    int xmflags = 0xFFFF & (int) Short.reverseBytes(ifb.readShort());
    int xmspeed = 0xFFFF & (int) Short.reverseBytes(ifb.readShort());
    int xmtempo = 0xFFFF & (int) Short.reverseBytes(ifb.readShort());

    // OH PLEASE, STOP IT
    if (ordnum > 255) ordnum = 255;
    if (xmtempo > 255) xmtempo = 255;
    if (xmspeed > 255) xmspeed = 255;
    this.bpm = xmtempo;
    this.spd = xmspeed;
    this.flags = FLAG_COMPATGXX | FLAG_OLDEFFECTS | FLAG_INSMODE | FLAG_STEREO | FLAG_VOL0MIX;

    if ((xmflags & 0x01) != 0) this.flags |= FLAG_LINEAR;

    // NONONONONONO
    System.out.printf("chn=%d ordnum=%d tempo=%d speed=%s\n", chnnum, ordnum, xmtempo, xmspeed);
    for (int i = 0; i < 256; i++) orderlist[i] = ifb.read();
    for (int i = ordnum; i < 256; i++) orderlist[i] = 255;

    ifb.done();

    // SAVE ME PLEEEEEAAASSSSEEEE
    for (int i = 0; i < patnum; i++)
      map_pat.put((Integer) i, new SessionPattern(this, fp, SessionPattern.FORMAT_XM, chnnum));
    for (int i = 0; i < insnum; i++)
      map_ins.put((Integer) (i + 1), new SessionInstrument(fp, SessionInstrument.FORMAT_XM, this));
  }
Пример #2
0
  private void doTheDamnThing(RandomAccessFile fp) throws IOException {
    byte[] b = new byte[26];

    // Load IMPM header
    fp.read(b, 0, 4);
    if (b[0] == 'I' && b[1] == 'M' && b[2] == 'P' && b[3] == 'M') {
      loadDataIT(fp);
      return;
    }

    // Attempt to load XM
    fp.seek(0);
    if (Util.readStringNoNul(fp, b, 17).equals("Extended Module: ")) {
      fp.seek(17 + 20);
      if (fp.read() == 0x1A) {
        fp.seek(17);
        loadDataXM(fp);
        return;
      }
    }

    // Attempt to load ST3 module
    fp.seek(0x1C);
    if (fp.readUnsignedShort() == 0x1A10) {
      fp.seek(0);
      loadDataS3M(fp);
      return;
    }

    fp.seek(0);

    // Assume this is a .mod file
    if (true) {
      loadDataMOD(fp);
      return;
    }

    throw new RuntimeException("module format not supported");
  }
Пример #3
0
  private void loadDataIT(RandomAccessFile fp) throws IOException {
    byte[] b = new byte[26];

    this.name = Util.readString(fp, b, 26);
    System.out.printf("name: \"%s\"\n", name);

    this.philigt = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    int ordnum = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    int insnum = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    int smpnum = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    int patnum = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    this.cwtv = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    this.cmwt = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    this.flags = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    this.special = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    this.gv = fp.read();
    this.mv = fp.read();
    this.spd = fp.read();
    this.bpm = fp.read();
    this.pwd = fp.read();
    this.sep = fp.read();
    int msglgth = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    int msgoffs = Integer.reverseBytes(fp.readInt());
    this.timestamp = Integer.reverseBytes(fp.readInt());
    fp.read(chnpan, 0, 64);
    fp.read(chnvol, 0, 64);

    System.out.printf("ver: %04X / compat: %04X\n", cwtv, cmwt);

    // Load orderlist
    for (int i = 0; i < ordnum; i++) orderlist[i] = fp.readUnsignedByte();
    for (int i = ordnum; i < 256; i++) orderlist[i] = 255;

    // Load pointers
    int[] insptrs = new int[insnum];
    int[] smpptrs = new int[smpnum];
    int[] patptrs = new int[patnum];

    for (int i = 0; i < insnum; i++) insptrs[i] = Integer.reverseBytes(fp.readInt());
    for (int i = 0; i < smpnum; i++) smpptrs[i] = Integer.reverseBytes(fp.readInt());
    for (int i = 0; i < patnum; i++) patptrs[i] = Integer.reverseBytes(fp.readInt());

    // TODO: read MIDI + timestamp bollocks
    //   TODO: look up and/or reverse engineer said bollocks

    // Load data
    for (int i = 0; i < insnum; i++) {
      if (insptrs[i] != 0) {
        fp.seek(insptrs[i]);
        map_ins.put(
            (Integer) (i + 1),
            new SessionInstrument(
                fp,
                cmwt < 0x200 ? SessionInstrument.FORMAT_IT100 : SessionInstrument.FORMAT_IT200));
      }
    }

    for (int i = 0; i < smpnum; i++) {
      if (smpptrs[i] != 0) {
        fp.seek(smpptrs[i]);
        map_smp.put((Integer) (i + 1), new SessionSample(fp, SessionSample.FORMAT_IT));
      }
    }

    for (int i = 0; i < patnum; i++) {
      if (patptrs[i] != 0) {
        fp.seek(patptrs[i]);
        map_pat.put((Integer) i, new SessionPattern(this, fp, SessionPattern.FORMAT_IT));
      }
    }
  }
Пример #4
0
  private void loadDataMOD(RandomAccessFile fp) throws IOException {
    byte[] b = new byte[23];

    this.name = Util.readStringNoNul(fp, b, 20);
    System.out.printf("name: \"%s\"\n", name);

    // check to see if we're a 15-sampler
    fp.seek(20 + 15 * 30 + 1);
    boolean poss_15smp = (fp.read() == (byte) 0x78);

    // get M.K. tag
    fp.seek(20 + 31 * 30 + 1 + 1 + 128);
    String mktag = Util.readStringNoNul(fp, b, 4);

    // set us up for reading interesting things
    int smpnum = 31;
    int chnnum = 4;
    boolean flt8 = false;

    // check mktag for gibberish
    for (int i = 0; i < 4; i++) {
      // System.out.printf("%d\n",b[i]);
      if (b[i] < 0x20 || b[i] > 0x7E) {
        if (!poss_15smp) throw new RuntimeException("not a 15-sample or 31-sample MOD");

        System.out.println("15-sample module!");
        smpnum = 15;
        mktag = "****";
        break;
      }
    }

    if (mktag.equals("FLT8")) {
      flt8 = true;
    } else if (mktag.substring(1, 4).equals("CHN")) {
      // check values
      int cct = b[0] - '0';
      if (cct >= 1 && cct <= 9) chnnum = cct;
    } else if (mktag.substring(2, 4).equals("CH") || mktag.substring(2, 4).equals("CN")) {
      // check values
      int cct1 = b[0] - '0';
      int cct2 = b[1] - '0';
      if (cct1 >= 0 && cct1 <= 9)
        if (cct2 >= 0 && cct2 <= 9) {
          int cct = cct1 * 10 + cct2;

          if (cct >= 1) chnnum = cct;
        }
    }

    // I forget what else is used.

    if (chnnum > 64)
      throw new RuntimeException(
          String.format("%d-channel modules not supported (max 64)", chnnum));

    if (flt8) throw new RuntimeException("TODO: FLT8 loader");

    // continue
    fp.seek(20);

    // load sample headers
    for (int i = 0; i < smpnum; i++)
      map_smp.put((Integer) (i + 1), new SessionSample(fp, SessionSample.FORMAT_MOD));

    // load order count
    int ordnum = fp.read();

    // ignore this next byte (well, at least for now)
    fp.read();

    // load orderlist + calculate patnum
    int patnum = 0;
    for (int i = 0; i < 128; i++) {
      int v = orderlist[i] = fp.read();

      if (v > patnum) patnum = v;
    }
    patnum++;

    // fix up orderlist
    for (int i = ordnum; i < 256; i++) orderlist[i] = 255;

    // skip M.K. tag
    if (smpnum == 31) fp.readInt();

    // load patterns
    for (int i = 0; i < patnum; i++)
      map_pat.put((Integer) i, new SessionPattern(this, fp, SessionPattern.FORMAT_MOD, chnnum));

    // load sample data
    for (int i = 0; i < smpnum; i++) map_smp.get((Integer) (i + 1)).loadSampleDataMOD(fp);

    // set everything else!
    this.flags = FLAG_COMPATGXX | FLAG_OLDEFFECTS | FLAG_STEREO | FLAG_VOL0MIX;
    this.sep = 64;
  }
Пример #5
0
  private void loadDataS3M(RandomAccessFile fp) throws IOException {
    byte[] b = new byte[28];

    this.name = Util.readString(fp, b, 28);
    System.out.printf("name: \"%s\"\n", name);

    fp.readInt(); // first two bytes we've seen, second two are unused

    int ordnum = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    int smpnum = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    int patnum = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    int s3flags = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    int s3cwtv = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
    int ffi = 0xFFFF & (int) Short.reverseBytes(fp.readShort());

    fp.readInt(); // should have "SCRM" but really doesn't matter

    this.flags = FLAG_OLDEFFECTS | FLAG_VOL0MIX;

    this.gv = fp.read() * 2;
    this.spd = fp.read();
    this.bpm = fp.read();
    this.mv = fp.read();
    fp.read(); // NO WE DON'T HAVE A GUS
    int dfpflag = fp.read();

    // weird S3M crap
    // note: assuming default of 6/125
    // it actually uses the previously-used speed/tempo

    if (this.spd == 0 || this.spd == 255) this.spd = 6;
    if (this.bpm < 33) this.bpm = 125;

    if ((this.mv & 0x80) != 0) {
      this.mv &= ~0x80;
      this.flags |= FLAG_STEREO;
      // XXX: this might need to be done internally in the player
      //      if it turns out that IT does the same damn thing --GM
      this.mv = (this.mv * 11 + 4) >> 3;
    }

    // skip all that bollocks
    fp.seek(0x40);

    // load channel mappings
    // yes, we WILL want these!
    // though i don't think anyone's done anything completely bonkers
    // except Storlek and myself --GM
    int[] st3chnmap = new int[32];

    for (int i = 32; i < 64; i++) {
      chnvol[i] = (byte) 0xC0;
      chnpan[i] = 0x20;
    }

    for (int i = 0; i < 32; i++) {
      chnpan[i] = 0;

      int v = fp.read();
      st3chnmap[i] = v & 0x7F;

      // don't enable FM channels!
      chnvol[i] = ((v & 0x80) != 0 && (v & 0x7F) < 16) ? 0x40 : (byte) 0xC0;
    }

    // orderlist!
    // DON'T EVEN NEED TO FILTER IT YES :D
    for (int i = 0; i < ordnum; i++) orderlist[i] = fp.read();
    for (int i = ordnum; i < 256; i++) orderlist[i] = 255;

    // load pointers
    int[] smpptrs = new int[smpnum];
    int[] patptrs = new int[patnum];

    for (int i = 0; i < smpnum; i++)
      smpptrs[i] = (0xFFFF & (int) Short.reverseBytes(fp.readShort())) * 16;
    for (int i = 0; i < patnum; i++)
      patptrs[i] = (0xFFFF & (int) Short.reverseBytes(fp.readShort())) * 16;

    // load default panning if necessary
    for (int i = 0; i < 32; i++) {
      int v = (dfpflag == 252) ? fp.read() : 0x10;

      int pan =
          (v & 0x10) != 0 ? (flags & FLAG_STEREO) != 0 ? (v & 0x08) != 0 ? 0xC : 0x3 : 0x7 : v & 15;

      // TODO: scale this crap correctly
      chnpan[i] = (byte) ((pan + 2) << 2);
    }

    // load data
    for (int i = 0; i < smpnum; i++)
      if (smpptrs[i] != 0) {
        fp.seek(smpptrs[i]);
        map_smp.put((Integer) (i + 1), new SessionSample(fp, SessionSample.FORMAT_S3M, ffi));
      }
    for (int i = 0; i < patnum; i++)
      if (patptrs[i] != 0) {
        fp.seek(patptrs[i]);
        map_pat.put(
            (Integer) i, new SessionPattern(this, fp, SessionPattern.FORMAT_S3M, st3chnmap));
      }

    // XXX: any other crap this needs? --GM
  }