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Useless ATTR_blend written for Instanced Scenery Object with 1 (non-Alpha Blend) Material #366

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tngreene opened this Issue Jul 30, 2018 · 1 comment

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tngreene commented Jul 30, 2018

Steps to reproduce

Make a new Blend file, with 1 cube and 1 empty. Create and use 1 material set to anything but "Alpha Blend". Export.

Expected Result

You'll see only what you need to see - one ATTR_no_blend, or if you're using "Instanced Scenery Object" Just GLOBAL_no_blend.

Real Result

You'll see
GLOBAL_no_blend 0.5 (if using Instanced Scenery Object)
...

ATTR_blend
ATTR_no_blend 0.5

In your OBJ

Obviously this is inefficient, but it could also be a source of Visual bugs.

One thing that is very interesting: One Cube only: No problem. Two cubes: No problem. 1 Cube and 1 Empty, even if the empty is not the parent: Problem! 1 Cube and 1 Armature: Problem! Even if the armature has no children or nothing connected to bones.

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tngreene commented Aug 13, 2018

Fixed with bc41717

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