Sorry for the lack of updates. We´ve been working hard on the gameplay side of things so we can share something playable soon with you. I also tweaked our buildings in terms of models and materials. There are still a lot to do but its getting there slowly 
Here are the latest shots:
Also here are shots from the buildings using dirt and damage masks that are controlling the environmental effects in game.
You can find more shots here: https://www.artstation.com/artwork/E0GJv Also here is a video of the dynamic dirt system that we are using now. https://www.youtube.com/watch?time_continue=1&v=OxQZp1-ERRM