[quake3] demos in spectator mode?

[Dominic Fandrey]

monk at rq3.com wrote:
>> I'd love to be able to watch demos in spectator mode. With different
>> perspectives, free look and the ability to switch between the players I'm
>> watching. Add a slow motion and a forward/backward function and it would
>> become extremely useful to find flaws in ones game play or simply revisit
>> a
>> nice killing spree in all its g(l)ory.
> 
> I don't think this is possible without rewriting the networking
> model/stream, which I think the demo file is just a dump of.
> 
> CPMA has something called MVD, like multi-view demo, I think.  I don't
> know for certain because it's been forever since I've read up on it, but
> it captures all the player streams at the same time, kind of like Q2's old
> "serverdemo" command.  I think only a server can capture this, since Q3
> doesn't send everything to all players at the same time?
> 
> There was some opensores work with OpenDemo: http://machinima.com/opendemo/
> 
> However, that seems dead dead dead.  I see mention of some other recamming
> tools:
> 
> http://www.rq3.com/phpBB/viewtopic.php?p=23536
> 
> That might give you a start on a solution that would be useful with the
> current state of Q3.
> 
> This issue has been brought up before and I think the reception was kind
> of lukewarm with interest.  I believe some were slightly interested
> whenever CPMA opened their source so they could just port it, but didn't
> really want to create something from the ground up, if I recall correctly.
> 
> Anyway, hope the info is useful to ya.
> 
> Monk.

By what you say I gather that it might be possible for records by 
non-dedicated servers and single player records. Would it be very difficult to 
implement recording for dedicated servers?