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[1.12] Creating and defining own world type


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I want to create my own 'World Type', as in create and define my own "terrain generator", is it even possible? I have tried to search it up to no avail.

I would like to start with a blank "Superflat" like terrain and experiment with different landscaping features such as lakes, hills and so on...

How can one do that if its even possible?




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Create new class which extends WorldType and call it's constructor during one event (preInitialization/initialization/..) -  That will register it.

Then you can override some methods like getChunkGenerator if you want to change the world gen


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