This is why I wrote Heightmap Plus.... but sometimes heightmaps don't cut it and you really need to use a normal map.
I plan to introduce a normalmap plus effect at some point, with an angle input to compensate effortlessly. You could do the math in events, but yeah it's a bit hard.
That would be awesome! And very, very useful. I'll look into heightmap plus in the meantime. I saw it in the list but didn't look into those so much.
*Le sigh* Wish I could code like that, doing little plugins and extra's would be far more useful to the majority, than artwork, which would have to be all specific for every user.