Source code was inserted into data as text, with code structure and comments intact. Game data was more or less just appended to the end of a 'runtime' executable. Such unpleasant turn of events was made possible because. If you are not familiar with what is this all about: older versions of GameMaker had produced executables that could be reversed into an editable file with a help of a program ('decompiler'). So I've decided to make a small post on the matter. If someone wants to protect their game's source code and puts in the effort to do so, who are we to take that option away from them?Compiles in Visual Studio 2010 and up.It seems that questions about whether (and if so, to what extent) GameMaker: Studio games can be decompiled are being asked at a constant pace, and yet there are still no resources to clear up these questions. While it is possible to circumvent the measures taken by the anti-decompiler to protect games, we have no interest in breaking the anti-decompiler. This does not occur very often, but when a game has been modified using the Game Maker anti-decompiler tool created by scoreunder this tool cannot recover the source code. It's a console based application, but work has begun on a GUI for this tool.Recovers the entire source code.There will, however, be cases where it will not work. It does not support older or newer revisions of the Game Maker software. This is a decompiler for games created using Game Maker 8.0 and Game Maker 8.1.
LicenseThe GameMaker 8.1 decompiler is licensed under The MIT License (MIT), which has been distributed with the source under the file 'LICENSE'. These may be fixed if I decide to continue development.Of course, the decompiler is licensed under MIT so anyone else is free to find and fix these bugs themselves and circulate a modified decompiler. There are a few bugs in this version that have purposely been left in indefinitely because they act as a backdoor to prevent decompilation of some games, this technique has been passed on to developers who come to make asking how to protect their games. Future developmentThis was the original public release of the GameMaker 8.1 decompiler, uploaded now to keep in sync with the style of the new x2048 website. If no GMK is created, execute the decompiler from the command line 'decompiler ', it should tell you what's wrong. UsageTo use the decompiler you simply drag an GM8.1 or GM8.0 executable onto the Decompiler icon and the decompilation process will begin. GameMaker 8.1 DecompilerThis is the old source code (circa 2011) for the GameMaker 8.1 decompiler.Source expanded on from the original GameMaker 8.0 decompiler with the new (now old) Gmk library replacing the original GMK serialization library.
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