Hey man, this is coming along. I agree with PixelMasher, there's no way you're going to bake this down to one map and have a texture that looks any good, much less one that picks up any of the details you are putting into it right now. Another way you could bake down some specific details and keep your texture resolution…
given the scale of this thing, for it to not have super low res textures on screen in a full environment, I would recommend making a few tiling textures and then mapping them onto the tree and vertex blending between them. having this whole thing on a unique texture sheet even a 2048 or 4096 would leave it pretty blurry,…