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Matterial normalmap creating shadow problems?

I get this weird error with my normal map plugged in, but not without it being plugged in. It seems to restrict lighting from one direction, making it shadows or something.

plugged in:alt text

without it plugged in:alt text

Here is my material normal map setup:alt text

Please help!

Product Version: UE 4.8
Tags:
unbenannt.png (1.3 MB)
unbenannt2.png (1.8 MB)
unbenannt3.png (828.6 kB)
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asked Jul 31 '15 at 01:22 PM in Rendering

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DeVeX
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1 answer: sort voted first

Is your normal map texture set to normal map for compression, and have you tried flipping the y channel? when you set it to normal map compression it will uncheck the rgb box.

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answered Jul 31 '15 at 03:52 PM

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Comatos
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avatar image DeVeX Jul 31 '15 at 09:31 PM

it seems to work now. apparently if you have a non normal map set as default normal map in a parameter in an instanced material it will bug out

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