Not sure how relevant this is, but I’ve written a tile-based procedural terrain generator if you want to have a look at the code :
Note you can’t use LibNoise if you plan on releasing the game, the GPL license is a nono. I’ve written a UE4 wrapper around an MIT-licensed noise generator that’s free to use (and faster) GitHub - midgen/UnrealFastNoise: Modular, Blueprint-friendly noise generation for UE4