[Bf-taskforce25] 2.5 io scripts design

[Arystan Dyussenov]

OK. Thanks!

On Sun, Jun 21, 2009 at 2:35 AM, Brecht Van Lommel <brecht at blender.org>wrote:

> Hi,
>
> Object.dupli_list should be defined like any other ListBase in the
> Object struct, not dynamically. Just add the ListBase duplilist; at the
> end of the Object struct in DNA_object_types.h, and wrap it like e.g.
> particle_systems.
>
> It is not the intention to run any RNA_def_* functions while
> manipulating data structures. However what is causing the crash here is
> that RNA_def_collection_runtime needs the collection pointer type to be
> derived from IDPropertyGroup, only then does it really know how to
> manipulate the data structure. It's not possible to dynamically create a
> collection of any type because RNA can't know how to manipulate it.
>
> I'll add a check for this and document it, but in this case, just avoid
> doing any defining at all in this function, and do it as part of
> rna_def_object in rna_object.c.
>
> Brecht.
>
> On Sun, 2009-06-21 at 02:08 +0600, Arystan Dyussenov wrote:
> > Hi Brecht,
> >
> > Again I need your help with RNA.
> >
> > I get a crash when accessing DupliObject.object property.
> >
> > DupliObject.matrix and DupliObject.ob_matrix can be accessed ok, but
> > not DupliObject.object.
> >
> > To reproduce the crash: open animation/dupliverts.blend in
> > http://download.blender.org/demo/test/test249.zip, select the
> > duplivert parent and run the following script:
> >
> > ----------------------------------------------------------------------
> > ob = bpy.data.objects["Plane"]
> > ob.create_dupli_list()
> >
> > ob.dupli_list[0].object
> >
> > ob.free_dupli_list()
> > ----------------------------------------------------------------------
> >
> > I've checked DupliObject.object property definition, to me it looks
> > ok.
> > I even defined a custom get function for this property, didn't help.
> >
> > This crash happens in soc-2009-kazanbas branch, latest revision.
> >
> > Arystan
> >
> > On Fri, Jun 19, 2009 at 5:19 PM, Brecht Van Lommel
> > <brecht at blender.org> wrote:
> >         Hi,
> >
> >         I would move DupliObject into DNA_object_types.h. The other
> >         alternative
> >         is to write manual get/set functions, but moving the data
> >         structure
> >         seems reasonable in this case. For storing the duplilist in
> >         the object,
> >         it seems easier to just create a ListBase in the Object
> >         struct? It
> >         doesn't really help to do this using RNA functions, mostly
> >         seems to make
> >         the code more complicated.
> >
> >         Brecht.
> >
> >
> >         On Fri, 2009-06-19 at 16:41 +0600, Arystan Dyussenov wrote:
> >         > I've committed changes to my branch.
> >         >
> >         > On Fri, Jun 19, 2009 at 4:25 PM, Arystan Dyussenov
> >         > <arystan.d at gmail.com> wrote:
> >         >         Hi Brecht,
> >         >
> >         >         I need your help.
> >         >
> >         >         I've created a struct function to create duplilist
> >         for an
> >         >         object. It
> >         >         uses object_duplilist which returns a dynamically
> >         allocated
> >         >         list of
> >         >         DupliObjects. DupliObject struct I partially
> >         RNA-wrapped.
> >         >
> >         >         But build fails with the following message:
> >         >         http://www.pasteall.org/6214/text
> >         >
> >         >         Here's contents of rna_object_api.c:
> >         >         http://www.pasteall.org/6215/c
> >         >
> >         >         Here's how I wrap DupliObject:
> >         http://www.pasteall.org/6216/c
> >         >
> >         >         This is probably because DupliObject struct is
> >         defined in
> >         >         BKE_anim.h,
> >         >         not in DNA_*.h.  What should I do?
> >         >
> >         >         Arystan
> >         >
> >
> >         > _______________________________________________
> >         > Bf-taskforce25 mailing list
> >         > Bf-taskforce25 at blender.org
> >         > http://lists.blender.org/mailman/listinfo/bf-taskforce25
> >
> >         _______________________________________________
> >         Bf-taskforce25 mailing list
> >         Bf-taskforce25 at blender.org
> >         http://lists.blender.org/mailman/listinfo/bf-taskforce25
> >
> > _______________________________________________
> > Bf-taskforce25 mailing list
> > Bf-taskforce25 at blender.org
> > http://lists.blender.org/mailman/listinfo/bf-taskforce25
>
> _______________________________________________
> Bf-taskforce25 mailing list
> Bf-taskforce25 at blender.org
> http://lists.blender.org/mailman/listinfo/bf-taskforce25
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.blender.org/pipermail/bf-taskforce25/attachments/20090621/d4d70fe2/attachment-0001.htm