A new shader_environment shader that can use blend maps to blend between 3 detail maps. This is used in H3 and here's an example that they showed in one of their publications.


As you can see they blend between RGB values. Could you take away Alpha channels from the original and add in a place to add a blend map bitmap. From there I guess it would take reworking on how detail maps are blended with eachother. Is this possible to do?