31 lines
780 B
Python
31 lines
780 B
Python
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#!/usr/bin/env nix-shell
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#!nix-shell -i python3 -p python3
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import struct
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import sys
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import pathlib
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# i don't care about efficiency
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data = open(sys.argv[1], "rb").read()
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outdir = pathlib.Path(sys.argv[2])
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if data[:4] != b"KTSR":
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raise Exception("what are you doing")
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# there's some more stuff but i don't care, go straight to the entry
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off = 0x40
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idx = 0
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while off < len(data):
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if data[off + 0x40 : off + 0x44] != b"KTSS":
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raise Exception("oh no offset broken")
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(entry_size,) = struct.unpack("<I", data[off + 4 : off + 8])
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(size,) = struct.unpack("<I", data[off + 0x44 : off + 0x48])
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outfile = (outdir / f"{idx}.ktss").open("wb")
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outfile.write(data[off + 0x40 : off + 0x40 + size])
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off += entry_size
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idx += 1
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print(idx, hex(off))
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