def readheader(self, data):
self.byteorder = ENDIANS[rawutil.unpack_from('>H', data, 8)[0]]
hdata, ptr = self.unpack_from(GARC_HEADER_STRUCT, data, 0, getptr=True)
if hdata[0] != b'CRAG':
error.InvalidMagicError('Invalid magic %s, expected CRAG' %
byterepr(hdata[0]))
#headerlen = hdata[1]
#bom = hdata[2]
self.version = hdata[3]
self.chunkcount = hdata[4]
self.dataoffset = hdata[5]
#filelen = hdata[6]
padinfo, ptr = self.unpack_from(GARC_HEADER_END[self.version],
data,
ptr,
getptr=True)
if self.version == 0x0400:
print('Version: 4')
self.larger_unpadded = padinfo[0]
self.pad_to_nearest = 4
elif self.version == 0x0600:
print('Version: 6')
self.larger_padded = padinfo[0]
self.larger_unpadded = padinfo[1]
self.pad_to_nearest = padinfo[2]
else:
error.UnsupportedVersionError('Unsupported version 0x%04x' %
self.version)
return ptr
def readSEEK(self, data):
if self.verbose:
print('Reading SEEK')
magic, length = self.unpack_from('4sI', data, self.seekref.offset)
if magic != b'SEEK':
error.InvalidMagicError('Invalid SEEK magic (got %s)' % byterepr(magic))
self.seek = np.fromstring(data.read(length - 8), dtype=np.int16)
def readpat1(self, ptr):
data = self.unpack_from(pat1_SECTION, self.file, ptr)
magic = data[0]
if magic != b'pat1':
error.InvalidMagicError('Invalid pat1 magic %s' % byterepr(magic))
seclen = data[1]
order = data[2]
seconds = data[3]
firstoffset = data[4]
secondsoffset = data[5]
start = data[6]
end = data[7]
childbinding = data[8]
#padding = data[9]
first = self.unpack_from('n', self.file,
ptr + firstoffset)[0].decode('ascii')
groups = []
for i in range(seconds):
groups.append(
self.unpack_from('n', self.file, ptr + secondsoffset +
i * 28)[0].decode('ascii'))
self.root['pat1'] = OrderedDict()
node = self.root['pat1']
node['order'] = order
node['seconds-number'] = seconds
node['start'] = start
node['end'] = end
node['child-binding'] = childbinding
node['first-group'] = first
node['seconds-group-names'] = groups
def extract(self, data):
header = self.unpack_from(STRG_HEADER, data, self.offset)
if header[0] != b'STRG':
error.InvalidMagicError('Invalid magic %s, expected STRG' %
byterepr(header[0]))
#sectionlen = header[1]
for i, el in enumerate(header[2]):
id, padding, offset = el
if id == 0x2400: #STRinGs table offset
self.strtbl_offset = offset + 8 + (8 * i)
elif id == 0x2401: #Another offset table
self.othertbl_offset = offset + 8 + (8 * i)
else:
error.InvalidSectionError('Invalid section ID in STRG 0x%04x' %
id)
strtbl_offsettbl = self.unpack_from(STRG_STR_OFFSETTABLE, data,
self.strtbl_offset + self.offset)
self.strings_count = strtbl_offsettbl[0]
for entry in strtbl_offsettbl[1]:
id, padding, offset, size = entry
if id != 0x1f01:
error.InvalidSectionError(
'Invalid entry ID in strings table offsets 0x%04x, expected 0x1f01'
% id)
else:
self.strings.append(
self.unpack_from('n', data, offset + self.strtbl_offset +
0x40)[0].decode('utf-8'))
def readheader(self):
self.byteorder = ENDIANS[self.unpack_from('>H', self.data, 4)[0]]
INFOTable.byteorder = self.byteorder
BCSARSection.byteorder = self.byteorder
header = self.unpack_from(CSAR_HEADER, self.data, 0)
magic = header[0]
if magic != b'CSAR':
error.InvalidMagicError('Invalid magic %s, expected CSAR' %
byterepr(magic))
#bom = header[1]
#headerlen = header[2]
#version = header[3] #?
#filelen = header[4]
seccount = header[5]
#padding = header[6] #?
for sec in header[7]:
id, padding, offset, size = sec
if id == STRG.id: #STRG
self.strg.offset = offset
self.strg.size = size
elif id == INFO.id: #INFO
self.info.offset = offset
self.info.size = size
elif id == FILE.id: #FILE
self.file.offset = offset
self.file.size = size
else:
error.InvalidSectionError('Invalid section ID 0x%04x' % id)
def readheader(self):
self.byteorder = ENDIANS[rawutil.unpack_from('<H', self.file, 4)[0]]
header = self.unpack_from(NARC_HEADER_STRUCT, self.file, 0,
NARC_HEADER_NAMES)
if header.magic != b'NARC':
error.InvalidMagicError('Invalid NARC magic: %s' %
byterepr(header.magic))
def readFATB(self, data, ptr):
hdr, ptr = self.unpack_from(GARC_FATB_HEADER, data, ptr, getptr=True)
if hdr[0] != b'BTAF':
error.InvalidMagicError('Invalid FATB magic %s, expected BTAF' %
byterepr(hdr[0]))
#headerlen = hdr[1]
entrycount = hdr[2]
tblstart = ptr
self.fatb = []
#for i in range(0, entrycount):
for offset in self.fato:
entry = FATBEntry()
flags, ptr = self.unpack_from('I',
data,
tblstart + offset,
getptr=True)
flags = flags[0]
entry.flags = flags
for j in range(0, 32):
exists = (flags & 1)
flags >>= 1
if exists:
subentry = FATBSubEntry()
subdata, ptr = self.unpack_from('3I',
data,
ptr,
getptr=True)
subentry.start, subentry.end, subentry.length = subdata
entry.subentries += [None
] * (j - len(entry.subentries) + 1)
entry.subentries[j] = subentry
entry.isfolder = len(entry.subentries) > 1
self.fatb.append(entry)
return ptr
def readCMAP(self, data, secoffset):
magic, size = self.unpack_from('4sI', data, secoffset)
if magic != b'CMAP':
error.InvalidMagicError('Invalid CMAP magic (got %s)' %
byterepr(magic))
if self.version == 'NX':
startcode, endcode, method, reserved, nextoffset = self.unpack_from(
'2I2HI', data)
else:
startcode, endcode, method, reserved, nextoffset = self.unpack_from(
'4HI', data)
if method == CMAP_DIRECT:
indexoffset = self.unpack_from('H', data)[0]
for code in range(startcode, endcode):
self.glyphmap[chr(code)] = code - startcode + indexoffset
elif method == CMAP_TABLE:
for i, item in enumerate(
self.unpack_from('%dH' % (endcode - startcode), data)):
self.glyphmap[chr(i + startcode)] = item
elif method == CMAP_SCAN:
if self.version == 'NX':
count, items = self.unpack_from('I/p1[IH2x]', data)
else:
count, items = self.unpack_from('H/p1[2H]', data)
for code, offset in items:
self.glyphmap[chr(code)] = offset
if nextoffset > 0:
self.readCMAP(data, nextoffset - 8)
def read_ivfc_tree(self):
header = self.unpack_from(IVFC_HEADER_STRUCT, self.data, self.base,
IVFC_HEADER_NAMES)
if header.magic != b'IVFC':
error.InvalidMagicError('Invalid magic, %s, expected IVFC' %
byterepr(header.magic))
#self.read_level3(*header.levels[2][:3])
self.read_level3(0x1000, *header.levels[2][1:3])
def readheader(self, data):
hdata = self.unpack_from(CBMD_HEADER_STRUCT, data, 0)
if hdata[0] != b'CBMD':
error.InvalidMagicError('Invalid magic %s, expected CBMD' %
byterepr(hdata[0]))
self.commonoffset = hdata[2]
self.regionoffsets = hdata[3]
self.cwavoffset = hdata[5]
def readFATB(self):
fatb = self.unpack_from(NARC_FATB_SECTION, self.file, None,
NARC_FATB_NAMES)
if fatb.magic != b'BTAF':
error.InvalidMagicError('Invalid FATB magic: %s' %
byterepr(fatb.magic))
self.entrycount = fatb.entrycount
self.entries = fatb.entries
def readsection(self, data, magic, startpos):
if magic == b'pat1':
name, node = self.readpat1(data, startpos)
elif magic == b'pai1':
name, node = self.readpai1(data, startpos)
else:
error.InvalidSectionError('Invalid section magic %s at 0x%08X' % (byterepr(magic), startpos))
return name, node
def read_header(self, data):
magic = data.read(8)
if magic != b'MsgStdBn':
error.InvalidMagicError('Invalid magic %s, expected MsgStdBn' %
byterepr(magic))
self.byteorder = ENDIANS[rawutil.unpack_from('>H', data)[0]]
magic, bom, unk1, self.encoding, unk2, self.sectionnum, unk3, self.filesize, unk4 = self.unpack_from(
'8s2H2B2HI10s', data, 0)
def read_header(self, data):
self.byteorder = ENDIANS[rawutil.unpack_from(">H", data, 4)[0]]
header = self.unpack_from("4s2H 2I2H SSS", data, 0, "magic, bom, headerlen, version, filesize, seccount, reserved, inforef, seekref, dataref")
if header.magic != b"CSTM":
error.InvalidMagicError("Invalid magic %s, expected CSTM" % byterepr(header.magic))
self.filesize = header.filesize
self.inforef = SizedRef(header.inforef)
self.seekref = SizedRef(header.seekref)
self.dataref = SizedRef(header.dataref)
def readATR1(self, data, magic):
magic, size, unknown = self.unpack_from('4sI8s', data)
baseoffset = data.tell()
if magic != b'ATR1':
error.InvalidMagicError('Invalid ATR1 magic (%s)' %
byterepr(magic))
self.strnum = self.unpack_from('I', data)[0]
endpos = baseoffset + size
endpos += 0x10 - (endpos % 0x10 or 0x10)
data.seek(endpos)
def readINFX(self, data, start, size):
data.seek(start)
magic, size = self.unpack_from('4sI', data)
if magic != b'INFX':
error.InvalidMagicError('Invalid INFO magic (got %s)' % byterepr(magic))
baseoffset = data.tell()
entrycount, table = self.unpack_from('I/p1[2HI]', data)
for id, pad, offset in table:
if id == 0x7901: # ???
values = self.unpack_from('2I', data, baseoffset + offset)
def readSFAT(self, data, ptr):
sfat, ptr = self.unpack_from(SFAT_STRUCT, data, ptr, getptr=True)
magic = sfat[0]
if magic != b'SFAT':
error.InvalidMagicError('Invalid SFAT magic %s' % byterepr(magic))
#headerlen = sfat[1]
self.node_count = sfat[2]
self.hash_multiplier = sfat[3]
self.nodes = [SFATnode(node) for node in sfat[4]]
return ptr
def readmeta(self, data):
meta, ptr = self.unpack_from(ALYT_META_STRUCT, data, 0, getptr=True)
if meta[0] != b'ALYT':
error.InvalidMagicError('Invalid magic %s, expected ALYT' % byterepr(meta[0]))
self.ltbl = meta[10]
self.lmtl = meta[11]
self.lfnl = meta[12]
self.nametable = [el[0].decode('utf-8') for el in meta[14]]
self.symtable = [el[0].decode('utf-8') for el in meta[16]]
self.sarc = data.read()
def read_table(self, data):
tbl = self.unpack_from(MINI_TABLE_STRUCT, data, 0)
magic = tbl[0]
print('File magic: %s' % byterepr(magic))
self.filecount = tbl[1]
offsets = [el[0] for el in tbl[2]]
offsets.append(tbl[3])
if self.verbose:
print('File count: %d' % self.filecount)
return offsets
def readDATA(self, data):
magic, length = self.unpack_from('4sI', data, self.dataref.offset)
if magic != b'DATA':
error.InvalidMagicError('Invalid DATA magic (got %s)' %
byterepr(magic))
if self.verbose:
print('Extracting DATA')
#TODO: Other codecs
if self.codec == DSPADPCM:
self.decodeDSPADPCM(data)
self.extract_track(self.channels)
def readNLI1(self, data, magic):
magic, size, unknown = self.unpack_from('4sI8s', data)
baseoffset = data.tell()
if magic != b'NLI1':
error.InvalidMagicError('Invalid NLI1 magic (%s)' %
byterepr(magic))
endpos = baseoffset + size
endpos += 0x10 - (endpos % 0x10 or 0x10)
data.seek(endpos)
error.NotImplementedWarning(
'Support for section NLI1 is not implemented yet')
def read_header(self, data):
self.byteorder = ENDIANS[rawutil.unpack_from('>H', data, 4)[0]]
header = self.unpack_from(
'4s2H 2I2H SS', data, 0,
'magic, bom, headerlen, version, filesize, seccount, reserved, inforef, dataref'
)
if header.magic != b'CWAV':
error.InvalidMagicError('Invalid magic %s, expected CWAV' %
byterepr(header.magic))
self.filesize = header.filesize
self.inforef = SizedRef(header.inforef)
self.dataref = SizedRef(header.dataref)
def readFLIMheader(self, data):
data.seek(-0x24, 2)
self.byteorder = ENDIANS[rawutil.unpack_from('>H', data)[0]]
data.seek(-0x28, 2)
hdata = self.unpack_from(BFLIM_FLIM_HDR_STRUCT, data)
if hdata[0] != b'FLIM':
error.InvalidMagicError('Invalid magic %s, expected FLIM' %
byterepr(hdata[0]))
#bom = hdata[1]
#headerlen = hdata[2]
self.version = hdata[3]
if self.verbose:
print('Version: %08x' % self.version)
def readheader(self, data):
magic, hdrlen, bom = rawutil.unpack_from('>4s2H', data, 0)
if magic != b'SARC':
error.InvalidMagicError('Invalid magic %s, expected SARC' % byterepr(magic))
self.byteorder = ENDIANS[bom]
hdr, ptr = self.unpack_from(SARC_HEADER_STRUCT, data, 0, getptr=True)
#magic = hdr[0]
#headerlen = hdr[1]
#bom = hdr[2]
#filelen = hdr[3]
self.dataoffset = hdr[4]
#unknown = hdr[5]
return ptr
def readFATO(self, data, ptr):
fato, ptr = self.unpack_from(GARC_FATO_SECTION, data, ptr, getptr=True)
if fato[0] != b'OTAF':
error.InvalidMagicError('Invalid FATO magic %s, expected OTAF' %
byterepr(fato[0]))
#sectionlen = fato[1]
entrycount = fato[2]
self.filenum = entrycount
#padding = fato[3]
table = fato[4]
self.fato = [el[0] for el in table]
if self.verbose:
print('File count: %d' % entrycount)
return ptr
def readheader(self):
self.byteorder = ENDIANS[rawutil.unpack_from('>H', self.file, 4)[0]]
header = self.unpack_from(FLAN_HEADER, self.file, 0)
if header[0] != b'FLAN':
error.InvalidMagicError('Invalid magic %s, expected FLAN' %
byterepr(header[0]))
#bom = header[1]
headerlen = header[2]
self.version = header[3]
#unknown = header[4]
self.filelen = header[5]
self.seccount = header[6]
#padding = header[7]
return headerlen
def readheader(self, data):
magic, bom = self.unpack_from('>4sH', data)
if magic != b'FLAN':
error.InvalidMagicError('Invalid magic %s, expected FLAN' % byterepr(magic))
node = self.makenode(self.output, 'FLAN')
self.byteorder = ENDIANS[bom]
headerlen, self.version, filesize, self.secnum, padding = self.unpack_from("H2I2H", data)
node['byte order'] = self.byteorder
node['version'] = self.version
node['readable version'] = '%d.%d.%d.%d' % (self.version >> 24, (self.version >> 16) & 0xff, (self.version >> 8) & 0xFF, self.version & 0xFF)
node['number of sections'] = self.secnum
if self.verbose:
print('Format version : %s' % node['readable version'])
print('Number of sections : %d' % self.secnum)
def readFNTB(self):
offset = self.file.tell()
fntb = self.unpack_from(NARC_FNTB_SECTION, self.file, None,
NARC_FNTB_NAMES)
if fntb.magic != b'BTNF':
error.InvalidMagicError('Invalid FNTB magic: %s' %
byterepr(fntb.magic))
if fntb.sectionlen == 0x10: #No names...
self.has_names = False
else:
self.has_names = True
error.NotImplementedWarning(
'NARC with file names are not implemented yet. Continuing without them.'
)
self.fimgoffset = offset + fntb.sectionlen
def readHeader(self, data):
self.fileheader = rawutil.unpack_from(FILE_HEADER_STRUCT,
data,
names=FILE_HEADER_NAMES)
if self.fileheader.magic_texture != b"texture\x00":
error.InvalidMagicError("Invalid magic %s, expected texture\x00" %
byterepr(self.fileheader.magic_texture))
self.outname = os.path.join(
os.path.dirname(self.filename),
self.fileheader.filename.decode("utf-8").rpartition(".")[0] +
".png")
if self.verbose:
print("Version : %08X" % self.fileheader.version)
print("Origin file name : %s" %
self.fileheader.filename.decode("utf-8"))
def read_reloc(self, data):
data.seek(self.reloc_offset)
magic, tableoffset, secnum, unknown = self.unpack_from('4s3I', data)
if magic != b'_RLT':
error.InvalidMagicError('Invalid _RLT magic, found %s' % byterepr(magic))
sectable = self.unpack_from('%d[Q4I]' % secnum, data)[0]
sections = []
for section in sectable:
node = {'entry_id': section[3], 'entries': []}
sections.append(node)
entries = self.unpack_from('%d[IH2B]' % section[4], data)[0]
for entry in entries:
entrynode = {'offset': entry[0], 'array_count': entry[1], 'offset_count': entry[2], 'padding_size': entry[3]}
node['entries'].append(entrynode)
self.meta['relocation'] = sections
