XeNTaX

Code: Select all

idstring DZIP
get unk01 long
get files long
get unk02 long
get tableoff long
goto tableoff
for i = 0 < files
get nsize short
getdstring name nsize
get unk03 long
get unk04 long
get size long
get null01 long
get offset long
get null02 long
get zsize long
get null03 long
log name offset zsize
next i

Code: Select all

while (i < input.Length)
            {
                var op = input[i++];
                var control = (op >> 5) & 0x07;
                
                if (control == 0)
                {
                    // uncompressed blob
                    int length = 1 + (op & 0x1F);
                    Array.Copy(input, i, output, o, length);
                    i += length;
                    o += length;
                }
                else
                {
                    int length;

                    if (control == 7)
                    {
                        length = 6 + input[i++];
                    }
                    else
                    {
                        length = control - 1;
                    }
                    length += 3;

                    int offset = (op & 0x1F) << 8;
                    offset |= input[i++];

                    offset = o - 1 - offset;

                    if (offset + length > o)
                    {
                        while (length > 0)
                        {
                            output[o++] = output[offset++];
                            length--;
                        }
                    }
                    else
                    {
                        Array.Copy(output, offset, output, o, length);
                        o += length;
                    }
                }
            }