diff options
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/decompress_baserom.py | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/tools/decompress_baserom.py b/tools/decompress_baserom.py index 13b57265f..ba93d7931 100755 --- a/tools/decompress_baserom.py +++ b/tools/decompress_baserom.py @@ -173,9 +173,10 @@ def main(): uncompressed_path = baserom_dir / "baserom-decompressed.z64" dmadata_start = int((baserom_dir / "dmadata_start.txt").read_text(), 16) - correct_str_hash = (baserom_dir / "checksum.md5").read_text().split()[0] + compressed_str_hash = (baserom_dir / "checksum-compressed.md5").read_text().split()[0] + decompressed_str_hash = (baserom_dir / "checksum.md5").read_text().split()[0] - if check_existing_rom(uncompressed_path, correct_str_hash): + if check_existing_rom(uncompressed_path, decompressed_str_hash): print("Found valid baserom - exiting early") return @@ -211,17 +212,12 @@ def main(): file_content = per_version_fixes(file_content, version) - dma_entries = dmadata.read_dmadata(file_content, dmadata_start) - # Decompress - if any(dma_entry.is_compressed() for dma_entry in dma_entries): - print("Decompressing rom...") - is_zlib_compressed = version in {"ique-cn", "ique-zh"} - file_content = decompress_rom( - file_content, dmadata_start, dma_entries, is_zlib_compressed - ) - # Check to see if the ROM is a "vanilla" ROM str_hash = get_str_hash(file_content) + if version == "gc-eu-mq-dbg": + correct_str_hash = decompressed_str_hash + else: + correct_str_hash = compressed_str_hash if str_hash != correct_str_hash: print( f"Error: Expected a hash of {correct_str_hash} but got {str_hash}. The baserom has probably been tampered, find a new one" @@ -235,6 +231,23 @@ def main(): exit(1) + dma_entries = dmadata.read_dmadata(file_content, dmadata_start) + # Decompress + if any(dma_entry.is_compressed() for dma_entry in dma_entries): + print("Decompressing rom...") + is_zlib_compressed = version in {"ique-cn", "ique-zh"} + file_content = decompress_rom( + file_content, dmadata_start, dma_entries, is_zlib_compressed + ) + + # Double check the hash + str_hash = get_str_hash(file_content) + if str_hash != decompressed_str_hash: + print( + f"Error: Expected a hash of {decompressed_str_hash} after decompression but got {str_hash}!" + ) + exit(1) + # Write out our new ROM print(f"Writing new ROM {uncompressed_path}...") uncompressed_path.write_bytes(file_content) |