public static void method460(byte[] abyte0, int j) {
        boolean newFormat = abyte0[abyte0.length - 1] == -1 && abyte0[abyte0.length - 2] == -1;
        if (abyte0 == null) {
            Class21 class21 = aClass21Array1661[j] = new Class21();
            class21.anInt369 = 0;
            class21.anInt370 = 0;
            class21.anInt371 = 0;
            return;
        }
        Stream class30_sub2_sub2 = new Stream(abyte0);
        class30_sub2_sub2.currentOffset = abyte0.length - (!newFormat ? 18 : 23);
        Class21 class21_1 = aClass21Array1661[j] = new Class21();
        class21_1.aByteArray368 = abyte0;
        class21_1.anInt369 = class30_sub2_sub2.readUnsignedWord();
        class21_1.anInt370 = class30_sub2_sub2.readUnsignedWord();
        class21_1.anInt371 = class30_sub2_sub2.readUnsignedByte();
        int k = class30_sub2_sub2.readUnsignedByte();
        int l = class30_sub2_sub2.readUnsignedByte();
        int i1 = class30_sub2_sub2.readUnsignedByte();
        int j1 = class30_sub2_sub2.readUnsignedByte();
        int k1 = class30_sub2_sub2.readUnsignedByte();
        if (newFormat) {
            int ignore = class30_sub2_sub2.readUnsignedByte();
            Class21 class21 = aClass21Array1661[j] = new Class21();
			class21.anInt369 = 0;
            class21.anInt370 = 0;
            class21.anInt371 = 0;
			return;
        }
        int l1 = class30_sub2_sub2.readUnsignedWord();
        int i2 = class30_sub2_sub2.readUnsignedWord();
        int j2 = class30_sub2_sub2.readUnsignedWord();
        int k2 = class30_sub2_sub2.readUnsignedWord();
        if (newFormat) {
            int ignore = class30_sub2_sub2.readUnsignedWord();
            Class21 class21 = aClass21Array1661[j] = new Class21();
	        class21.anInt369 = 0;
            class21.anInt370 = 0;
            class21.anInt371 = 0;
			return;
        }
        int l2 = 0;
        class21_1.anInt372 = l2;
        l2 += class21_1.anInt369;
        class21_1.anInt378 = l2;
        l2 += class21_1.anInt370;
        class21_1.anInt381 = l2;
        if(l == 255)
            l2 += class21_1.anInt370;
        else
            class21_1.anInt381 = -l - 1;
        class21_1.anInt383 = l2;
        if(j1 == 1)
            l2 += class21_1.anInt370;
        else
            class21_1.anInt383 = -1;
        class21_1.anInt380 = l2;
        if(k == 1)
            l2 += class21_1.anInt370;
        else
            class21_1.anInt380 = -1;
        class21_1.anInt376 = l2;
        if(k1 == 1)
            l2 += class21_1.anInt369;
        else
            class21_1.anInt376 = -1;
        class21_1.anInt382 = l2;
        if(i1 == 1)
            l2 += class21_1.anInt370;
        else
            class21_1.anInt382 = -1;
        class21_1.anInt377 = l2;
        l2 += k2;
        class21_1.anInt379 = l2;
        l2 += class21_1.anInt370 * 2;
        class21_1.anInt384 = l2;
        l2 += class21_1.anInt371 * 6;
        class21_1.anInt373 = l2;
        l2 += l1;
        class21_1.anInt374 = l2;
        l2 += i2;
        class21_1.anInt375 = l2;
        l2 += j2;
    }