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sj26/spacebase.rb

Created November 19, 2013 09:44
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Hacking Spacebase DF-9 saves
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spacebase.rb
# They're just deflated messagepack dumps of lua data.
require "zlib"
require "msgpack" # gem install msgpack
# **BACK IT UP FIRST**
save = MessagePack.unpack(Zlib::Inflate.new(-15).inflate(IO.read("#{ENV["HOME"]}/Documents/SpacebaseDF9/Saves/SpacebaseDF9AutoSave.sav")))
# ... do things to `save` ...
IO.binwrite("#{ENV["HOME"]}/Documents/SpacebaseDF9/Saves/SpacebaseDF9AutoSave.sav", Zlib::Deflate.new(9, -15).deflate(save.to_msgpack))
@Artoria2e5
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Artoria2e5 commented Jul 31, 2017 •
edited

The copy of zlib in Ubuntu on Windows doesn't seem to always flush streams properly, causing premature ends. Some explicit instruction with .deflate(save.to_msgpack , Zlib::FINISH) is required for it to work.

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