11 lines
541 B
Python
11 lines
541 B
Python
#!/usr/bin/env python3
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"""wadfix.py IN OUT: RollingBoulderMountain never ends (its final 'wait until v13 == 0' compares with 0.5)."""
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import struct, sys
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d = bytearray(open(sys.argv[1], 'rb').read())
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pat = struct.pack('<6I', 0x1002f, 0xd0004, 0x44, 0x4e, 0xfffc0012, 0xb4) # freezeOffCamera 1; v13; pushShort 0; eq; jzYield -4; end
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i = d.find(pat)
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assert i >= 0 and d.find(pat, i + 1) < 0, 'pattern not unique'
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struct.pack_into('<I', d, i + 8, 0x08000044) # pushShort 0.5
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open(sys.argv[2], 'wb').write(d)
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print('patched at 0x%x' % (i + 8))
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