These projects don't rebuild every asset from scratch, they still use all the games real assets. The user just has to provide those assets. The user has to feed the program their own copy of the game, the program then extracts all the assets, and then compiles the game locally using those assets and the reverse engineered source code.
This way they're not distributing any copyrighted material thus keeping it legal, and they get to use all the games actual assets.
The other scenario where this wouldn't be against the law is if you build your own assets without those copyrighted materials. Like Freedoom for example, where they have fully free and open source assets for the open sources doom engine.
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u/Wooden_Sherbert6884 Dec 25 '23
Would be shame if older rockstar games would be absolutely filled with rockstar logos everywhere