import struct, sys, os, zlib

def main(infile, outdir):
    fp = file(infile, 'rb')

    if fp.read(4) != 'ARC\0':
        return 1

    flags, count = struct.unpack('<HH', fp.read(4))

    files = {}

    for i in range(count):
        fn = fp.read(64).rstrip('\0')

        unk1, length, unk2, offset = struct.unpack('<LLLL', fp.read(16))

        files[fn] = (offset, length)

    for (fn, (offset, length)) in files.items():
        fn = '%s/%s' % (outdir, fn.replace('\\', '/'))

        try:
            os.makedirs(fn.rsplit('/', 1)[0])
        except OSError:
            pass

        ofp = file(fn, 'wb')

        fp.seek(offset)
        data = fp.read(length)

        data = zlib.decompress(data)
        
        ofp.write(data)
        
        ofp.close()

if __name__=='__main__':
    sys.exit(main(*(sys.argv[1:])))