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Fix UnityFS block info flags when saving bundles #355

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snowyegret23 wants to merge 1 commit into from
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Fix UnityFS block info flags when saving bundles #355

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7 changes: 5 additions & 2 deletions UnityPy/files/BundleFile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -215,7 +215,7 @@ def save(self, packer=None):
self.save_web_raw(writer)
elif self.signature == "UnityFS":
if not packer or packer == "none":
self.save_fs(writer, 64, 64)
self.save_fs(writer, 0x40, 0)
elif packer == "original":
self.save_fs(
writer,
Expand Down Expand Up @@ -282,6 +282,9 @@ def save_fs(self, writer: EndianBinaryWriter, data_flag: int, block_info_flag: i

# file list & file data
# prep nodes and build up block data
data_flag = int(data_flag)
block_info_flag = int(block_info_flag) & 0x3F

data_writer = EndianBinaryWriter()
files = [
(
Expand Down Expand Up @@ -316,7 +319,7 @@ def save_fs(self, writer: EndianBinaryWriter, data_flag: int, block_info_flag: i
# compressed size
block_writer.write_u_int(block_compressed_size)
# flag
block_writer.write_u_short(block_flag)
block_writer.write_u_short(block_flag & 0x3F)

# file block info
if not data_flag & 0x40:
Expand Down
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