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Issue when applying Normals to Custom Meshes

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Issue when applying Normals to Custom Meshes

Post by iEastsidezzz on Thu Jul 17, 2014 10:05 am

So I've had a problem for a while now on assigning Normals to a custom mesh, and it's driving me mad not knowing how to solve it.

The problem is this: Whenever I add a Normal texture to a weapon on NifSkope, and add the weapon into G.E.C.K and try it out in-game, the weapon looks incredibly glossy.

This happens even though I lowered the "Glossiness" level to 10 (When the default level is 70) in NifSkope. I know there's something I'm missing when applying Normals, because I've seen others create custom weapons with Normals assigned to them, and they work seamlessly. Whereas my weapon looks like its been dipped in Vaseline.  Neutral 

Anyone know how to solve this issue?
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iEastsidezzz

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Re: Issue when applying Normals to Custom Meshes

Post by Tesvixen on Thu Jul 17, 2014 11:05 am

Go to your normal map's Alpha channel, and make it a medium to dark shade of grey.  

Black works too but will cause your normal map to have practically no effect in game.  

Basically, the darker your normal map's alpha channel, the less shiny your model will be.  The brighter the alpha channel is, the shinier your model will be.  

Another good way to control this more precisely, is to copy your Diffuse texture map and paste it into the Normal map (assuming they are the same resolution).  The diffuse map that you paste into the normal map's alpha channel will turn greyscale.  Lighter areas like skin, bolts, buttons etc will react to light more strongly, areas that have darker/more heavily shadowed alpha channel will react to light less and not be as shiny.

If your normal maps don't have an alpha channel, save them in DXT5 ARGB 8bpp, Interpolated Alpha, Generate Mipmaps - that should generate an alpha channel for you.

If you have any other questions feel free to PM me!
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Re: Issue when applying Normals to Custom Meshes

Post by iEastsidezzz on Thu Jul 17, 2014 12:51 pm

Thanks for your help Tesvixen! I really do appreciate it. Smile 

I'm going to follow your instructions later when I have some extra time to work on my mod.

If I have any questions, I'll be sure to let you know!
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Re: Issue when applying Normals to Custom Meshes

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