Branching Cave Tunnel

Started by Xainyer on

Topic category: Help with Minecraft modding (Java Edition)

Joined Nov 2024
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Branching Cave Tunnel

I am trying to make a very large cave tunnel that, for each chunk, has a new pathway. So the first chunk will just be the entrance, then the next would have one large opening, and the next would have two large openings on each side, then the third one would have two medium-sized ones on one side and one large one on the other, and so on and so forth.

 

I'm still kind of new to this, but I was wondering how to do that. I don't know if it's a feature or if it has to be a structure, or whatever.

Joined Feb 2019
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Ok, first of all, look this…
Fri, 04/18/2025 - 23:45

Ok, first of all, look this tutorial, specially the part about replacing blocks with commands: https://www.youtube.com/watch?v=bAcaa2mbgZU&t=852s

Now then, I would recommend you to make the empty space of your tunnel with a type of block, as if you were making the negative of your tunnel, fill what will end up empty and empty what you want fill. Once you are done, use the command to replace the air with structure void. When the structure spawns, this will be filled by what is already in the environment. Now use the command again but to change the block you choose into air. This will erase the blocks in that section and replace them with air when it spawns, forming your tunnel.

You can do the oposite and make the walls and leave the empty space of the tunnel as air from the start, but then if, for example, it spawns across a ravine, you will see the walls crossing one side to the other.