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add compatible for open xbox sav file #164

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merged 1 commit into from
Mar 16, 2024
Merged

add compatible for open xbox sav file #164

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11 changes: 9 additions & 2 deletions palworld_save_tools/palsav.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,14 @@ def decompress_sav_to_gvas(data: bytes) -> tuple[bytes, int]:
compressed_len = int.from_bytes(data[4:8], byteorder="little")
magic_bytes = data[8:11]
save_type = data[11]
data_start_offset = 12
# Check for magic bytes
if magic_bytes == b"CNK":
uncompressed_len = int.from_bytes(data[12:16], byteorder="little")
compressed_len = int.from_bytes(data[16:20], byteorder="little")
magic_bytes = data[20:23]
save_type = data[23]
data_start_offset = 24
if magic_bytes != MAGIC_BYTES:
if (
magic_bytes == b"\x00\x00\x00"
Expand All @@ -29,10 +36,10 @@ def decompress_sav_to_gvas(data: bytes) -> tuple[bytes, int]:
raise Exception(f"unhandled compression type: {save_type}")
if save_type == 0x31:
# Check if the compressed length is correct
if compressed_len != len(data) - 12:
if compressed_len != len(data) - data_start_offset:
raise Exception(f"incorrect compressed length: {compressed_len}")
# Decompress file
uncompressed_data = zlib.decompress(data[12:])
uncompressed_data = zlib.decompress(data[data_start_offset:])
if save_type == 0x32:
# Check if the compressed length is correct
if compressed_len != len(uncompressed_data):
Expand Down