On Dienstag 18 Oktober 2005 19:05, Melchior FRANZ wrote:
> * Erik Hofman -- Saturday 15 October 2005 16:51:
> > Mathias Froehlich:
> >
> > I had a quick view over the ssgBase::ref() calls in flightgear.
> > I made them all symmetric and used ssgDeRefDelete to dereference them.
>
> This patch (in four commit messages) has caused a serious regression:
> When using submodels, fgfs crashes within seconds. Try, for example,
> this line:
>
> $ fgfs --aircraft=737 --vc=400 --altitude=20000
>
> and let the 737 dive. The contrails will now crash fgfs, as do other
> submodels, such as the seafire's smoke.
>
> $ cvs up -D'2005/10/15 16:51:50' ---> works
>
> $ cvs up -D'2005/10/15 16:51:55' ---> broken
Thanks for reporting.
Fixed by the attached patch.
Please apply.
Greetings
Mathias
--
Mathias Fröhlich, email: [EMAIL PROTECTED]
Index: src/AIModel/AIBase.cxx
===================================================================
RCS file: /var/cvs/FlightGear-0.9/source/src/AIModel/AIBase.cxx,v
retrieving revision 1.43
diff -u -r1.43 AIBase.cxx
--- src/AIModel/AIBase.cxx 15 Oct 2005 14:55:51 -0000 1.43
+++ src/AIModel/AIBase.cxx 18 Oct 2005 17:42:41 -0000
@@ -160,7 +160,6 @@
prop_root,
sim_time_sec);
manager->setModel(path, model);
- model->ref();
}
//else
// {
@@ -169,6 +168,10 @@
// aip.setVisible(false);
// globals->get_scenery()->get_scene_graph()->addKid(aip.getSceneGraph());
// do some setModel stuff.
+
+ if (model)
+ model->ref();
+
return model;
}
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