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List Info
Thread: Re: Odd Shockwave exploit
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| Re: Odd Shockwave exploit |

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2007-01-23 16:41:27 |
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On 23-01-2007, Gene Endrody kindly wrote:
> Some of my Sherwood players have discovered an odd exploit that allows them
> to "Fly" in the Sherwood world. What the players are doing is opening a new
> browser window, with a second copy of the game running. It seems that the
> Havok collision data from one copy of the game is being used by the second
> copy of the game. So by teleporting your character to a different level, the
> ground data is different and your character appears to fly or levitate while
> walking around. Because Sherwood is multiplayer, the avatars appear to float
> as well. That, of course, makes it the coolest exploit ever and everybody is
> doing it now - even the Sherwood Dungeon Wikipedia entry has the expliot
> described on it.
>
> http://en.wikipedia.org/wiki/Sherwood_Dungeon
Nice.
>
> Anyway to tell if two Shockwave movies are running?
> Any ideas on how Havok data is getting from one shockwave movie to the
> other?
You might be able to write out a pref file with SetPref some randowmly
generated number that you generated in your startMovie handler.
Every x seconds (maybe even only once a minute) your movie reads the pref
file. If it has a different number in it it resets it with its own secret
number, since it might be a remnant of another game. If this happens
multiple times though (you keep counting), there must be another movie
running and one or both of the movies can be directed to go to a "Don't
cheat" screen, where it doesn't write any prefs anymore.
There might also be a MUS method that prevents multiple log-ins from the
same IP address, but that would prevent multiple people behind one firewall
to play.
--
mare
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