Vertically stacking large worlds into a single world.
I have 7 world saves of pregenerated terrain that are each 51200x51200 blocks. Build height is from 0 (min) to 255 (max), so 256 blocks.
What I want to do is create a single world save that vertically stacks all those world saves on each other - using a datapack, the world height can accomodate this.
I tried using MCA Selector to do this, but it seems that its import tool doesn't support
y-offset
y-offset
values above 24 (which is 384 blocks).
Does anyone know of another way to accomplish this? I would prefer a command-line tool, but any tool that can accomplish this AND work with worlds this large (reminder that EACH of those 7 worlds is up to 51200*51200*256) is what I need.
Please note that I'm fully aware of the potential performance issues and all the other possible things that could go wrong with the end result if successful.