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How can i get full control over mesh opacity created in Substance Painter?

Hello! Sorry for my English, i'm not englishspeaker, but i learn it now.

I have one-polygon mesh using as plastic glass over display. In substance painter i created opacity mask. You can see it in first screenshot. How can i apply it in my UE4 project? I use substance material generated in Substance Designer. Designer automatically set opacity mask to "opacity mask" socket in ue4 material (idk how it calls), but as i know, opacity mask works only with fully-white and fully-black colors igonring grayscale valuation. Ok, i tried to set blending mod into transfluence mod. But in this case i lost abilily to use roughness map and normal map. Moreover, the mesh stoped reflect light. It looks so bad. I tried to find best solution, changing all parameters in my material, but best i reached you can see in second screen. What the best way to do it? I really want to see my Substance Painter result in the UE4. I know, maybe this glass looks not so good, but i'll tweak it later. Now i want to get ability to make it better.

Screens: 1. How it looks in Painter; 2. How it looks in UE4; 3. Material in UE4

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Product Version: UE 4.18
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asked Apr 10 '18 at 01:41 PM in Using UE4

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avatar image mateil Apr 10 '18 at 01:43 PM

I don't know why, but my screens are gone.

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avatar image mateil Apr 10 '18 at 02:18 PM

I think i got it. I selected "Surface TranfluenceVolume" in Lightning Mode and it works. Looks a way better, but not great. But i think it's because of lightning. alt text

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