FBX material export issues #53209
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Reference: blender/blender#53209
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Why is this important? When working with Game assets, colored materials are assigned to parts of highpoly mesh that is then baked onto LowPoly where Material colors become ID Masks (please google for more examples). 1) makes this task of exporting materials very clunky, wasteful, confusing and disappointing when bakes show blank. 2) creates very DARK materials which are very hard to color key and share in production between applications.
To summarize. Please consider small tweak to .fbx exporter to carry material color information regardless of render engine (e.g if Cycles, viewport_color should be exported). Also please apply Gamma fix (e.g obj.active_material.diffuse_color- [x] = math.pow(obj.active_material.diffuse_color- [x],1/2.2) )
B 2.79.
Thank You
Changed status to: 'Open'
Added subscriber: @JuriUnt
blender/blender-addons#93174 was marked as duplicate of this issue
Added subscribers: @mont29, @Sergey
Please always attach .blend file to demonstrate the issue.
@mont29, is it enough information for you to do some bugfix already?
Blend file with embedded description attached fbx_materials_export.blend
Technically, this is not a bug at all, we have absolutely no Cycles material support at all in FBX exporter… So that’s a feature request. ;)
We could use that
viewport_color
as diffuse one for Cycles materials, this one would sound like a reasonable hack, but… I don’t think we have any such thing currently??? Cycles seems to just use the regular diffuse color of the material in solid view, afaict.Colors space is another topic, quoting official docs, « The FBX file format does not support Color space information. » And going to screen space from linear one by a mere 'random' gamma correction is not the way to go here anyway, that would have to be applied to all colors (not to mention other 'magic' conversions that could break…). That sounds like a whole big fat TODO topic that would need serious investigation first etc. Totally outside of bug tracker scope am afraid.
Thank You for the insight!
I hoped it would be an easy, fast fix. Certainly not a priority. I understand there are more urgent things to do, just thought might be worth noting. Thank You!
Ah ok, so 'viewport color' is actually just the regular diffuse color from materials… that I can add, remaining will be considered as TODO.
This issue was referenced by blender/blender-addons@3e29cb17a7
Changed status from 'Open' to: 'Resolved'
Added subscriber: @lijecaru
Hello, any news regarding development to export .fbx from cycles render? I found a post from 2015 also asking for this feature. Is there a workaround?
Added subscriber: @herbst