This is techno-sorcery!
Unite India is here: https://unity.com/event/unite-india-2019
there is no need to create a vdb, but it works yes
Alireza Khajehali shared a new function for UE4 users called Mask Modifier. The things lets you modify masks or splat map, saving you tons of time.
It’s been a while I’ve been building a whole library of modular functions that I can plug and play in every material. My initial goal was to save a bunch of time every time I move to work on a new project and I feel like I’ve achieved it. Once starting a new project, all I’d need to do is to copy my functions library over and start placing them in my materials where needed, cutting out the need to re-do the same setups over and over again in different projects/materials. I hope these will help you save some time too.
You can of course add any other type of control inside the function.