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Ekey, posted Sat Oct 24, 2015 11:38 am (8853)

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May be someone knows what the Script Engine is used to work with *.nut / *.nutx files (Magic Header ID is RIQS and in the end magic id is LIAT)?

Edited: Seems it's Squirrel programming language but not sure.

aluigi, posted Sat Oct 24, 2015 12:14 pm (8857)

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Yes, they are compiled Squirrel scripts.

Ekey, posted Sat Oct 24, 2015 12:22 pm (8858)

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Ok. Then there is another question: Is there a for compiled scripts Disassembler / Decompiler?

aluigi, posted Sat Oct 24, 2015 12:46 pm (8861)

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Honestly I didn't even know Squirrel but it looks like it's known in the gaming community and there are some decompilers available.
Just a quick google search reveals something interesting, like this project:
https://github.com/rockfireredmoon/icee ... /UTILITIES
I didn't test it.

Ekey, posted Sat Oct 24, 2015 2:49 pm (8879)

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NutCrack don't works. I guess because not supports Unicode strings. Thanks anyway.

einstein95, posted Sun Oct 25, 2015 12:58 pm (8908)

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I've used NutCracker in the past and it's worked well.

NutCracker.zip

Ekey, posted Sun Oct 25, 2015 1:20 pm (8911)

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Thanks for source's. I've tried decompile provided by me scripts but got:

Code:

Error: NUT file compiled for different size of char that expected.

Problem here:

Code:

   if (reader.ReadInt32() != sizeof(char))
      throw Error("NUT file compiled for different size of char that expected.");

In script i changed DWORD value 2 at offset 0x6 > to 1 =

Code:

Error: Expected string object not found in source binary file.

That error because strings length written with ANSI size but the string itself is written in UNICODE. I changed part code in BinaryReader.h - void ReadSQString( std::string& str ) for read UNICODE strings but while decompile i got some parts disassembled code like this:

Code:

  // [003]  bad allocation    3      0    0    0
::require($[stack offset 3]);
  // [007]  bad allocation    3      0    0    0
  // [011]  bad allocation    4      0    0    0
this.GMI_SETUP_DEPEND($[stack offset 3], $[stack offset 4]);
  // [015]  bad allocation    3      0    0    0
  // [017]  bad allocation    4      0    0    0
this.glog($[stack offset 3], $[stack offset 4]);
  // [022]  bad allocation    3      0    0    0
::require($[stack offset 3]);
  // [027]  bad allocation    3      0    0    0
::requiredir($[stack offset 3]);

I guess scripts from game compiled with newest or / older 2.2.4 version of Squirrel compiler, also seems developers have made some changes

aluigi, posted Sun Oct 25, 2015 1:22 pm (8912)

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@einstein95
Any homepage/github/author? Just curious because I see no references on google except in some talks

Ekey, posted Sun Oct 25, 2015 1:23 pm (8913)

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aluigi wrote:

@einstein95
Any homepage/github/author? Just curious because I see no references on google except in some talks

I see some talks only on Steam forums.