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ULEB

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This commit is contained in:
Emily 2019-03-13 12:59:24 +01:00
parent d1e868c183
commit 081c677855
2 changed files with 27 additions and 3 deletions
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26
osuRepy/helpers/typeSerializer.py
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@ -20,6 +20,30 @@ BYTEORDER_NATIVE = b"@"
BYTEORDER_LITTLE = b"<"
BYTEORDER_BIG = b">"
def encode_uleb(val):
data = b""
pos = 0
while val != 0:
b = val & 0x7f
val >>= 7
if val != 0:
b |= 0x80
data += bytes([b])
return data
def decode_uleb(data):
val = 0
shift = 0
pos = 0
while True:
b = data[pos]
pos += 1
val |= (b & 0x7f) << shift
if (b & 0x80) == 0:
break
shift += 7
return val, pos
def guess_type(value):
t_value = type(value)
@ -70,7 +94,7 @@ class Serializable:
def get_value(self):
def _get_value():
if self.type == TYPE_STRING:
return [11, bytes([len(self.value)]) + self.value]
return [0x0b, encode_uleb(len(self.value)) + self.value]
return [self.value]
val = _get_value()

4
osuRepy/replay.py
View File

@ -32,7 +32,7 @@ def md5_file(file):
return hash.hexdigest()
def lzma_compress(data):
return bytes([len(data)]) + lzma.compress(data + b"-12345|0|0|1337,", format = lzma.FORMAT_ALONE, filters = [
return encode_uleb(len(data)) + lzma.compress(data + b"-12345|0|0|1337,", format = lzma.FORMAT_ALONE, filters = [
{
"id": lzma.FILTER_LZMA1,
"preset": lzma.PRESET_DEFAULT,
@ -42,7 +42,7 @@ def lzma_compress(data):
class Replay:
_mode = Serializable(osuModes.STANDARD, TYPE_BYTE)
_osu_version = Serializable(20131216, TYPE_INT)
_osu_version = Serializable(20181216, TYPE_INT)
_beatmap_hash = Serializable(b"d41d8cd98f00b204e9800998ecf8427e", TYPE_STRING)
_player_name = Serializable(b"osu!", TYPE_STRING)
_score_hash = Serializable(b"d41d8cd98f00b204e9800998ecf8427e", TYPE_STRING)