I don't know how well unreal integrates with external libraries, especially one with its own graphics pipelines.
I guess U4 has its own map handling and graphics pipelines.
It's worth a look into though. Would be beautiful to be running around ground level finding resources, then call a flying...
No affiliation funnily enough. Just would be nice to have. Maybe even work with them and see if the technique they use for selecting data can be used for network data (player/object locations)
Having played FF from its beginning, I have had some thoughts on improvements along the way, but never voiced them. Here goes.
On Building a Battlesuit
Instead of having specific classes and abilities tied to those classes, make a "Design your own" system.
Core stats would be things like HP...