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Layering emissive decals

Hey all, I'm having some annoying issues with decals and I am unsure how to fix it.

I have a scene that is completely unlit, and I am spawning decals in the scene that end up getting layered upon each other (similar to the image I have attached). The problem is, when they are layered, the emissive seems to multiply and I end up getting a lit effect on the decals, which looks strange with the rest of the scene.

I have tried all the different blend modes and I am not having any luck. Has anybody been able to get this working before?

Product Version: UE 4.12
decal problem.png (156.7 kB)
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asked Jul 25 '16 at 02:27 AM in Rendering

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