hbm:nether_surface

Places a block on exposed netherrack within a sampled depth band.

Fields

Field	Meaning and default	Range
`attempts`	Number of sampled X/Z columns per chunk.	\texttt{i32}
`d_range`	Range added to the starting depth; must be positive when `attempts` is positive.	\texttt{i32}
`min_d`	Lowest sampled starting depth.	\texttt{i32}
`scan_down`	Distance scanned below each starting depth.	\texttt{i32}
`state`	Block state placed over exposed netherrack.
`id`	Registered block ID.
`properties`Optional	Block-state property names and string values.

The top-level type selects this feature; the remaining fields belong beside it.

Source path: data/hbm/worldgen/feature/ore_nether_smoldering.json

{
  "type": "hbm:nether_surface",
  "attempts": 30,
  "d_range": 96,
  "min_d": 16,
  "scan_down": 5,
  "state": "hbm:ore_nether_smoldering"
}

hbm:coltan_deposit

Places ore veins in narrowing bands around a seed-derived centre.

hbm:bedrock_ore

Places an extractable bedrock ore node and surrounding depth rock.