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Does UDK support normal maps with RMA?

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    Does UDK support normal maps with RMA?

    Im not talking about PBR but wanted to know if UDK supports the display of a normal map that has in its channels (rgb> roughness, metalness Ambient occlusion).
    I just purchased a few assets and after importing that type of normal map in udk it looked horrible Is it a setting that tells udk to read only the normal data and ignore the rest of the channels?(i used the tc normal map setting when importing as always)

    #2
    it's the same as in UE4. you can't plug a channel-packed normalmap into the normal slot as is. whatever the material from the asset pack is doing, you need to do the same in your UDK material. probalby involves -not- using normalmap compression, disabling sRGB in the texture and adding a constantbiasscale node with (-0.5, 2.0) in the material
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      #3
      My bad.I got subconsciously thinking that the RMA texture was a normal map, when its obviously not.. Thank you for the additional advice Chosker .

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