More Biome Change Options

[BONNe]

Feature Request

Is your feature request related to a problem? Please describe.

Currently users can change biomes in three modes (island, chunk, square), and you can do everything with it. But to change biome in circle or in some region without calculations is harder (but still possible).

Describe the solution you'd like

Implement 2 new biome change modes:

• Region, where user can set 2 positions and in that region biome will be changed
• Circle, where biome will be changed in minecraft-circle around player.

[KateHutch]

Just chipping in with an extra idea for the future:

I'm setting up an AcidIsland server and the only annoyance we're having is that the biome change affects the sea as well. It would be amazing if there was an option to only change the biome for island blocks only (as opposed to ocean).

I know there's always a bleed over between biomes, but it would stop the biome appearing as a massive square in the ocean.

Not sure if that's possible, but it would be a cool feature!