Shooting through trees will be somewhat of a tricky request. Because of the differing levels of view, it could easily be gamed.
If you are close to the tree, you will obviously see it. Someone further away might not, and have a clear shot at you
cover worked against you.
The only way around that is if they were destructible. That would cost too much in game resources so I heard. I wonder if that would be true if only trees on the edges of combat areas were destructible? Keeping it to no more objects than you would encounter on an airfield. Not every tree need be destructible, only the ones that count.
Anyhow, the tank game will definitely look more appealing, and with new terrain types, I bet it will have some nice perks waiting for us to find.