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  Library/JAR Question  (Read 1859 times)
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Offline Vage

Senior Newbie


« Posted 2007-08-06 19:04:03 »

I've been thinking about something and hopefully some of the more experienced of you could lend me your knowledge.

Take for instance that you have a working FPS using some open-source libraries in JARs. I'm wondering if a malicious user could compile their own (jME for instance) with some extra modifications to give them an unfair advantage (wallhacks?). Is this possible? Is there a mechanism in Java to prevent this? Am I worrying too much?

Thanks Smiley

Personally, you could strap me into a mech cockpit with 47 virtual HUD displays, two complex hand controls and foot pedals and I'd be grinning like the gamer freak I am.
Offline thijs

Junior Devvie

Lava games rock!

« Reply #1 - Posted 2007-08-06 21:27:31 »

Yes they could and they wouldn't need opensource libs to pull that off, It's easy to decompile code or even tamper with your variables in memory at runtime.

There have been plenty discussions on this forum about decompiling and cheating. Bottom line is that in multiplayer games you want to keep all gamelogic on the server and make the clients as dumb as possible. For cheaters its mostly to ruin others game expirience, so you wouldn't really have to bother unless you expect lots and lots of people playing your game (in fact if you'd pull that off you'd be the first one to make a popular FPS in Java that I know of  Roll Eyes )

<a href="">3DzzD!</a>
<a href="">Arcazoid!</a>
Offline Mr_Light

Senior Devvie

Medals: 1


« Reply #2 - Posted 2007-08-06 22:47:26 »

so don't update players location you can't see Wink

It's harder to read code than to write it. - it's even harder to write readable code.

The gospel of brother Riven: "The guarantee that all bugs are in *your* code is worth gold." Amen brother a-m-e-n.
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