What is the best way to replicate a region?

Question

I make minigames, let's use the example skywars for right now.
I normally recreate the maps (replace broken blocks, destroy placed blocks) with about 20 /clone commands.
I have also been looking at if structure blocks would be faster, since upon map generation you have to wait through 10-20 seconds of 1 FPS until the map is done and you would be teleported.
Are structure blocks or clone better, or is there another method?

Penguin · Accepted Answer

After some testing, I have found that cloning a few structure blocks, activating them, then clearing them is so much faster than the /clone command entirely. The time taken goes from like 30 seconds to 2 seconds and minimal lag.

Correct answer by Penguin on January 5, 2021

Radon8472 · Answer

When the "region" you like to replicate can be an entiry 1024x1024 Blocks Area, you could simple backup the matching *.mca from your region folder.
Keep in mind region files are separated for each dimension:

region = overworld
DIM1 = nether
DIM-1 = Void

Another way could be to create a .mcfunction file with all your cloning commands, than you must only run run ONE command to activate your function with /function your_function.
Read how to use function files at https://minecraft.gamepedia.com/Function_(Java_Edition)

What is the best way to replicate a region?

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