def parse_formidarray(formidarraycount: int, i: int,
data: bytes) -> Tuple[int, List[int]]:
formids = [] # type: List[int]
for _ in range(formidarraycount):
formids.append(uint32(data[i:i + 4]))
i += 4
return i, formids
def find_player_changeform(cfcount: int, formidarray: List[int], i: int,
data: bytes) -> Tuple[int, Tuple[bytes, int, int]]:
"""
Go through all ChangeForms until the player is found and return it.
The format is:
formID RefID
changeFlags uint32
type uint8 type of form
version uint8
length1 int length of the data
length2 int 0 or length of uncompressed data
data uint8[length1]
"""
for n in range(cfcount):
refid = data[i:i + 3]
formid = parse_refid(refid, formidarray)
i += 3
flags = uint32(data[i:i + 4])
i += 4
cftype = uint8(data[i:i + 1])
i += 1
# Top 2 bits are the size of data lengths (ln1 and ln2)
lengthsize = [8, 16, 32][cftype >> 6]
# Lower 6 bits are the type of form
formtype = cftype & 63
# The Skyrim version (currently unused)
version = uint8(data[i:i + 1])
#assert version in [57, 64, 73, 74]
i += 1
# The actual length
ln1 = uint(lengthsize, data[i:i + 4])
i += lengthsize // 8
# Compressed length or 0 if uncompressed
ln2 = uint(lengthsize, data[i:i + 4])
i += lengthsize // 8 + ln1
if formid == 7 and formtype == 9:
return 0, (data[i - ln1:i], ln2, flags)
def find_player_changeform(cfcount: int, formidarray: List[int],
i: int, data: bytes) -> Tuple[int, Tuple[bytes, int, int]]:
"""
Go through all ChangeForms until the player is found and return it.
The format is:
formID RefID
changeFlags uint32
type uint8 type of form
version uint8
length1 int length of the data
length2 int 0 or length of uncompressed data
data uint8[length1]
"""
for n in range(cfcount):
refid = data[i:i+3]
formid = parse_refid(refid, formidarray)
i += 3
flags = uint32(data[i:i+4])
i += 4
cftype = uint8(data[i:i+1])
i += 1
# Top 2 bits are the size of data lengths (ln1 and ln2)
lengthsize = [8, 16, 32][cftype >> 6]
# Lower 6 bits are the type of form
formtype = cftype & 63
# The Skyrim version (currently unused)
version = uint8(data[i:i+1])
#assert version in [57, 64, 73, 74]
i += 1
# The actual length
ln1 = uint(lengthsize, data[i:i+4])
i += lengthsize//8
# Compressed length or 0 if uncompressed
ln2 = uint(lengthsize, data[i:i+4])
i += lengthsize//8 + ln1
if formid == 7 and formtype == 9:
return 0, (data[i-ln1:i], ln2, flags)
def parse_formidarray(formidarraycount: int, i: int, data: bytes) -> Tuple[int, List[int]]:
formids = [] # type: List[int]
for _ in range(formidarraycount):
formids.append(uint32(data[i:i+4]))
i += 4
return i, formids
