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Nuvendil on 16 July 2017
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Kowan said:
Hiku said:

There's no magic UE4 slider that's going to make all UE4 games easy to port to Switch. A UE4 game can be created so that it is impossible to run on PS4 Pro beyond 1 frames per second if you so chose, no matter how you scale it. Example, you have 10 billion characters appear on screen at the same time.
It's not always a matter of scaling graphics. Removing entire assets is another factor, and that usually has to be done and compensated for manually, which is where most of the workload comes in.

If the game was created with Switch's hardware in mind, then the UE4 compatibility can make the conversion simple.
If it was not, then it may not be an easy task.

Exactly this. 

Actually, I work with UE4 and it isn't magic, but there are some straight up basic optimization sliders that make initial optimization steps really easy.  Snake Pass made use of these almost exclusively from what I can tell.  So you can get a serious head start with UE4 with optimization on the settings, effects, and such.  It can make a lot of other stuff easier too, iirc.

Now he is right, a game can be very difficult to port.  But that brings us to the dirty secret of this generation: 70 to 80% of games are using the power jump from Gen 7 to 8 just to make thekselves look pretty.  So the overwhelming majority of games are doing nothing mechanically that needs the power.  Is KH in that category, don't know.  From what I have seen, the biggest challenge is probably the particle effects that would probably need to be straight replaced with less demanding alternatives.  The rest, honestly, is mkre just a bit of a chore.  Going from high poly assets to lower ones is fairly straight forward, same with lowering texture resolutions.  It would be work, certainly, but from what I have seen of KH3, not too much.  Of the Square Enix Big 3 (the Square 3nix if you will), Final Fantasy VII Remake is the only one where I have strong doubts of its ability to be ported but so much of that game is a mystery.  Dragon Quest XI is being ported and KH3 looks well within reach.