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[Explained] Render defects on custom objects from Mesh Editor : ?

Posted: 01 Oct 2019, 15:36
by GeP
Hello,
I encounter rendering defects on custom items i've created in the Mesh Editor. It's only standard blocks modified, and ingame textures applied. It seems it even affects nearby standard blocks shading...

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It's less obvious on illuminated parts, but still there if you look closely :

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Any idea why this happens and how to correct / avoid it ?
Thanks in advance.

Re: Render defects on custom objects from Mesh Editor : ?

Posted: 01 Oct 2019, 18:53
by Florenzius
There's no way to correct that. It appears at especially heavy maps with lots of shadows to be applied on the lightmap. It's baking a certain amount of Ambient Occlusion on a texture that is not bigger than 4096px (afaik), so the more content it gets, the less precision will be the result. You could try to avoid very heavy/complex shapes that could potentially generate a complex AO-texture, but essentially keeping the map light and small will "fix" those spots.
It's also the case with default blocks btw, not necessarily the fault of your items. x)

Re:[Explained] Render defects on custom objects from Mesh Editor : ?

Posted: 01 Oct 2019, 22:11
by GeP
Oh ok.
It was a "big heavy" map, indeed.
Glad it is not my items, so i can share them now. :)

Thank you.