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Frederic Bouvier wrote:
> Melchior FRANZ wrote:
> > * Frederic Bouvier -- Sunday 16 November 2003 15:32:
> > > Are you using the binary distribution or do you compile FG
> > > yourself ?
> >
> > The xp version is the binary distribution as offered on the
> > fgfs site. My Linux version is selfcompiled (CVS/HEAD).
>
> I finally tried the multiplayer options between a WinXP box and
> a Linux box.
>
> With the ( A320, p51d ) pair, no problem : I can see both from
> either systems. I configured on to start on runway 28L while
> the other is at runway 28R.
>
> When a c172 is on one machine, I only got segfault on an animation
> not found. This animation is named ControlsGroup and I guess
> that one object name referenced in this null animation no
> longer exist in the .ac model. I say that because the
> preceding one is analogous and works.
>
> So I would say the multiplayer works, except when there is a c172.
It seems that this animation refers to 'PanelInstruments' that is
a panel outside the model, so, when loaded with SGModelLib::load_model
the object is not found in the model and there is a non tested
read access through a null pointer in sgMakeAnimation.
This path makes things go better :
D:\FlightGear\cvs\SimGear\simgear\scene\model>cvs diff -u model.cxx
Index: model.cxx
===================================================================
RCS file: /var/cvs/SimGear-0.3/SimGear/simgear/scene/model/model.cxx,v
retrieving revision 1.11
diff -u -r1.11 model.cxx
--- model.cxx 28 Sep 2003 08:38:48 -0000 1.11
+++ model.cxx 16 Nov 2003 23:36:49 -0000
@@ -150,6 +150,9 @@
} else {
object = model;
}
+
+ if ( animation == 0 )
+ return;
ssgBranch * branch = animation->getBranch();
splice_branch(branch, object);
BTW: it is funny ( but not inexplicable ) that the other model is
animated but with the input of the current aircraft : push the
throttle and you will see the propeller of the foreign model
accelerate.
-Fred
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