def _read_header(self):
offset = Bit.u32_from(self._fp.read(4))
self._fp.seek(offset)
# 读取秘钥
keylen = self._fp.read(1)[0]
if keylen > 0:
self._parser = self.Parser(keylen)
self._parser.load(self._fp.read(keylen + 4))
# 读取hash种子和文件数量
buffer = self._fp.read(4)
self._hseed = Bit.u16_from(buffer)
filenum = Bit.u16_from(buffer[2:])
# 读取文件表
buffer = self._fp.read(filenum * 12) # tag+pos+len=12
offset = 0
self._hashmap = {}
for i in range(filenum):
tag = Bit.u32_from(buffer[offset:offset + 4])
offset += 4
pos = Bit.u32_from(buffer[offset:offset + 4])
offset += 4
size = Bit.u32_from(buffer[offset:offset + 4])
offset += 4
self._hashmap[tag] = (pos, size)
log.d('unpack bale files:', filenum)
def split_res(self):
# with open(os.path.join(self.idir, 'package.was'), 'rb') as fp:
with open(os.path.join(self.idir, 'patch.was'), 'rb') as fp:
buffer = fp.read()
buffer = buffer[32:]
e = len(buffer)
p = 0
while p < e:
p += 4
b = buffer[p:p+4]
fs = Bit.u32_from(b)
p += 24
b = buffer[p:p+4]
ns = Bit.u32_from(b)
p += 4
fn = Text.unicodes2str(buffer[p:p+ns])
p += ns + 1
if fn.endswith('.luac'):
fn = 'src/' + fn
else:
fn = 'res/' + fn
print(p, fs, fn)
fb = buffer[p:p+fs]
p += fs
fp = os.path.join(self.odir, fn)
FS.make_parent(fp)
with open(fp, 'wb') as fp:
fp.write(fb)
print(p, e)
def load(self, buffer):
self._key = buffer[:self._keylen]
self._let = Bit.u32_from(buffer[self._keylen:])