Is there a way to have a normal map/shadows on a translucent material?
Is there a way to rotate a texture sample at one specific angle? Like if I had a tiled texture I made but wanted it to tile at an angle (without photoshop wizardry) is there a way to set that angle?
Transparent materials can use normal maps provided the Translucent Light Mode is set up properly:
As for shadows it seems that they will not cast or receive dynamic shadows only static (baked) ones.
You can rotate the UVs feeding into a texture sampler using the Rotator node. If you want to define the rotation in degrees then you could use the following logic:
The ice material you mentioned is from the elemental demo which can be downloaded through the Unreal Launcher (Library/Vault). Open that project in the editor and look up the art assets and materials for the ice bits. And in case you haven’t seen it here is a handy guide for using SSS: