Overriding the Worldgen Function witha default world

[Geometrically]

I am creating a mod someone, for a lets play series, and they want something like skyfactory. I want to create a default world that when an SP or a MP world is created, it will just override the world gen functions and replace it with this world. I have been searching for a couple hours now through MC's source code and haven't found a thing. Can anyone help me? 

[TheMasterGabriel]

What exactly do you mean by world gen functions? Like trees and stuff, or the physical terrain?

[Geometrically]

On 4/2/2017 at 5:27 PM, TheMasterGabriel said:

What exactly do you mean by world gen functions? Like trees and stuff, or the physical terrain?

I mean like the function minecraft uses when a new world is created to generate the terrain. What I want to do is override the function when a world is being generated and make the world a skyblock world. Sort of like SkyFactory

[Matryoshika]

Create a custom WorldProvider.

Override createChunkGenerator to return a custom ChunkProvider that does not spawn any blocks.
In init, un-register and re-register the overworld (dim 0) , using DimensionManager.

 

I do this in Underworld, but it's an optional config that was requested. Search for "forceUnderworld".

I also recommend that you either extend or copy ChunkProviderOverworld, as that way you will still get proper biomes from scratch.