anim = animated map objects
same as the objs section, except for an additional .ifp name after the .txd name, so:
ID, dffname, txdname, ifpname, drawdist, flags
txdp = txd parent, to extend texture packages with generic textures
If a texture for an object isn't found in the assigned txd, and there is a parent txd specified, the game looks there for the texture. Might even work hierarchical, haven't tested yet (parent of parent of txd).