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MSFS20 I'm having Difficulty with the ORM texture

Your material is not a MSFS material. You've messed with the shading. Also, all textures should be of the same size, and all 32-bit PNG. Yours are mis-sized, and at 24-bit.
Click to expand...
Change the view to perspective, rather than orthographic, in Blender. Then change the material type to Decal, then change it back to Standard. This will reset the MSFS material type, and get rid of any shading manipulation. Then the COMP texture works as expected.
Click to expand...

I did all of these steps and nothing changed.

I decided to uninstall and then reinstall the Export addons for Blender 3.6 again and 4.2.

Next I redid all the steps above and the O R M texture now shows in both Blender versions.

The only problem I have now is I get these warnings when I export into MSFS from either 3.6 or 4.2 and the O R M doesn't show up in the simulator.

warning message.jpg
 
This is impossible to resolve without the project files. I think this is a problem with the materials not being Asobo materials, and/or textures not being correctly made. It appears one of the textures is not divisible by 4. Are you trying to use bump mapped textures as a normal texture? A little too confusing with a too little information.
 
I have the solution but not the answer.
Aside from not fully understanding the O R M Comp or realizing the need for 32 bit textures ( which I now understand better thanks to everyone here) even after learning
that, nothing I did would work consistently.

Here's what I finally noticed. In my plane's blend file, no matter what I did, when a new material is created and I add the O R M texture the SplitOcclMetalRough node will not create an connection
with the gltf Settings node. Nor will it switch the Rough multiplier or the Metal multiplier nodes connections to the Principle BSDF. I can make the Rough and Metal connections manually but there is
no connection point on the gltf Settings node so I can't ( don't know how to) make the SplitOcclMetalRough connection Manually.

However if I open a new blend file and create a material there, all works perfectly and automatically.

Ultimately I uninstalled blender 4.2 and reinstalled it but that didn't fix the problem either.

The solution is that I created the material in a fresh blend file then append the material into my planes file apply it, export it and it works perfectly. No warnings of any kind.
So I have a work around that I'm happy with.

Later I might try appending everything to a new blend file and see if that does anything but for now I'm happy with the work around.


Thank you all. You've helped me understand this much better.
 
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