Don't want to write this by hand? GodCraft sets minecraft:subsurface_builder for you with a switch.Get GodCraftOverview
minecraft:subsurface_builder is a biome component: it goes in the components object of a custom biome. Applies a surface builder to the layers below the normal ground, for example to change underground blocks. Older builder types were not made for this, so test results carefully.
Fields
| Field | Type | Default | Description |
|---|---|---|---|
builder | minecraft:overworld | minecraft:frozen_ocean | minecraft:mesa | minecraft:swamp | minecraft:capped | minecraft:the_end | minecraft:noise_gradient | none | Which builder to use and its block settings, such as "minecraft:overworld" or "minecraft:mesa". |
Example
Inside the components object of BP/biomes/<name>.biome.json (values are the defaults or placeholders):
BP/biomes/<name>.biome.json
{
"minecraft:subsurface_builder": {
"builder": {}
}
}