Hi. I'm not looking to do this at the moment, but it's more of a curiosity. How would I render another location or dimension in minecraft? Like what some of these portal mods do. If we go one step further, how do they get it so you can step between dimensions without a loading screen or even a lag spike?

5 minutes ago, BlockyPenguin said:

If we go one step further, how do they get it so you can step between dimensions without a loading screen or even a lag spike?

Because the chunk in the other dimension is already loaded, just like when you move from one chunk to the next in the same dimension, or use the teleport command to move to a loaded chunk.

12 minutes ago, Alpvax said:

Because the chunk in the other dimension is already loaded, just like when you move from one chunk to the next in the same dimension, or use the teleport command to move to a loaded chunk.

Ah, ok, so all of the loading screen cancelling is handled within Minecraft rather than the mod, as long as the chunk is loaded? Nice!

Thanks

I'm not exactly sure that is true, but the chunk is already loaded, so the modder can always cancel the loading screen themselves if that is not the case.