See example bellow
https://youtube.com/watch?v=YVpNRjCEMXE (Metal Gear Rising Gameplay)
Unless I am mistaken, unreal engine can only generate smashing meshed by way of processing a mesh before runtime into generic chunks.
I would love to see some real-time mesh manipulation features in UE4
I hope this inspires someone on the engineering team, thanks for all the hard work so far and best of luck