Added additional rules for structure placement when creating new structure generation rules or editing existing structure generation rules. I got tired of figuring this out every time and thought others would appreciate these rules too.

Added these rules:

[ Nether Surface ]

Generated on any nether surface that is not the nether ceiling.

[ Ocean Floor ]

Recommend also setting the biome restricted to "$OCEAN" otherwise the structure could potentially be generated just underneath any water surface.

[ Bedrock ]

Places structure at the world floor, bedrock

Place these files in the following directory ".minecraft/structures/active/"

Feel free to reuse any of my uploads, no permission needed.

Cheers! 0xebjc