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Mix "Masked Material" and "Translucent Material"

I have a question.
If I can make a material that mix "Masked" and "Translucent"?
For example: If the Alpha is higher than "Opacity Mask Clip Value" then the part of the material is "Masked", So that the deepth or Light will be much better. Otherwise is "Translucent" ,so the edge of Material will be more soft. For example:
alt text
The more useful place is: Hair can use it to provide soft edges. It may look better.

And, I know it may can't be done with Material Editor. But what about HLSL? Or edit .usf directly?

Product Version: UE 4.19
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asked Jun 08 '18 at 05:48 AM in Rendering

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Jack Myth
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2 answers: sort voted first

The answer to the question is No

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answered Jun 08 '18 at 08:54 PM

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avatar image Jack Myth Jun 08 '18 at 11:58 PM

This request must can be done. because my friend has done it in unity. Can UE4 edit shader directly?

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Split mesh into two sections with different materials, or use only translucent.

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answered Jun 08 '18 at 11:18 AM

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avatar image Jack Myth Jun 08 '18 at 12:11 PM

Both solutions are not good.
The split mesh is hard to create. and it's opacity cannot be changed at runtime. The Translucent Material have many problems, such as Depth error, and sometimes the Translucent Material which totally Opacity can still be seen through, These are why I want to mix them up.

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