YafaRay Plug-in - reviewing for Yafaray 3.0

[david.bluecame]

Hello,

Yafaray website is having problems again so I cannot answer your questions there.

I've seen why HDRI are not shown and are not reflecting in Glass:

* Make sure the glass mirror color is set to 1.0,1.0,1.0. In my tests I got 0.0,0.0,0.0 and that's why HDRI was not reflecting.

* For HDRI not showing, these lines should be inserted in the integrator section:
<bg_transp bval="false"/>
<bg_transp_refract bval="false"/>

In any case there are *many* features from YafaRay v2.1.1 and the new v3.0.0 that are not available in the current Wings3D plugin. I will try to learn how the plugin works and will start sending pull requests with some suggestions.

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This is the result of using (v3) yafaray-xml on the xml generated by Wings3D after manually applying the above changes to the xml: