the simpliest script would be
Code:
function test (s)
cb=s.UpdateCallback;
end
robertosfield wrote:
> Hi Julien,
>
> On 5 July 2016 at 01:52, Julien Valentin <> wrote:
>
> > you have forgotten the Quat case in LuaEngine from my last submision
> > attachment
> >
>
> I didn't quite forget, rather in refactoring all the Vec, Quat and
> Plane code I missed adding Quat and Plane support to two places where
> it was missing previously. Looking at your original submission I now
> see you added in Quat handling as well as the Vec, but once I had
> started down the path of refator I didn't refer to again as I thought
> I had the idea of what you were trying to achieve.
>
> I've just checked in the missing Quat and Plane handling. Fingers
> crossed this is all the cases handled now.
>
>
> > Further I began to play with lua meta model access and found something that
> > look like a bug :
> > when i tried to get Callback from a node it crashes
> > It surely as something to do with virtual inheritance
> > so I replaced ObjectSerializer get method in osgDB/Serializer
> > with this code
> > virtual bool get(const osg::Object& obj, void* value) { const C& object =
> > OBJECT_CAST<const C&>(obj);*(reinterpret_cast<const osg::Object**>(value ))
> > =dynamic_cast<const osg::Object*>( (object.*_getter)()); return true; }
> > Now I access Node callback without crashing
> >
> > Does it sound good to you?
> >
>
> Looking at the original code it looks like you've added the
> dynamic_cast<const osg::Object*>. I'm surprised this is needed as
> the getting should be returning a Callback pointer of some kind which
> should already be an osg::Object. If this is crashing then I can only
> guess there is an issue with the virtual inheritance somewhere along
> the line.
>
> Could you post a .lua script that reproduces the crash?
>
> Robert.
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