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Why is anti-cheat always client-side?
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this post was submitted on 30 Nov 2023
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Definitely not how that works. The server has no idea how to tell how the GPU on the client-side is rendering anything. The server is just doing server things, which definitely doesn't include data on the "vision" of each player. There's a lot less data being transferred than you assume here.
All of these are way easier to detect client-side, because client-side you can actually check the code that is running.
A server that checked all the code that is running would be a very, very slow game. Like imagine a chess game where it took five minutes for a move to register after making a move. Servers focus mostly on "player state" like, where are they, what direction are they looking, what direction are they moving, what buttons they are pressing, and a lot less on checking the code of the remote player. Once again, because checking literally every players code remotely would slow everything way the fuck down.
I remember a long time ago it was on the server side that the hits were registered not on the client side. It had a funny feeling because you would have to shoot where the target was going towards instead of shooting where the target was. And that was done with 24 players in a server
This is still the case for most games. Games have just gotten better lag compensation methods.
I think you misunderstood me, I meant that most games will handle the bullet simulation on the server, but you no longer have to pre aim because of lag compensation.
But if you overcompensate because of lag, the local machine will tell the server you missed all the shots...