[Bf-committers] Python callbacks and keeping properties in sync

Doug Hammond doughammond at hamsterfight.co.uk
Wed Mar 30 16:00:25 CEST 2011

Is anyone going to acknowledge this at all?


On 28 March 2011 23:05, Doug Hammond <doughammond at hamsterfight.co.uk> wrote:

> I've also seen too that there were plans to get this implemented around
> about now.
> (It was suggested in meeting minutes some weeks ago to be done in March?).
> Campbell has also admitted that he's got some of the code for it already
> written, and
> it is really about time this became implemented, us python devs have been
> waiting
> forever (it seems).
> So, any chance to get this before the stable release ?
> Cheers,
> Doug.
> On 28 March 2011 12:55, Wenzel Jakob <wenzel at wazlaf.org> wrote:
>> Hello all,
>> I am currently designing a rendering backend that integrates Mitsuba (a
>> physically based renderer) with Blender 2.56a based on Doug Hammond's
>> extensions framework.
>> One of the issues I am periodically facing is synchronization between
>> the Blender and Mitsuba interpretations of the scene. For instance,
>> Blender Internal and Mitsuba have wildly different material
>> configurations, and hence the rendering plugin adds custom UI panels to
>> configure all materials.
>> However, there is still a bit of overlap with Blender Internal. It would
>> be great if it was possible to "react" to property changes in a material
>> so that they can be forwarded to the other respective material
>> implementation (where it makes sense). For instance: if the user
>> specifies a diffuse gray BI material, that could easily be replicated in
>> the Mitsuba material panel.
>> I remember that somebody was working on Python-based property callbacks,
>> which could potentially be used to implement such a feature. I'm curious
>> to hear about the state of this work.
>> Thank you,
>> Wenzel
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