Fallout transmutation

File: data/hbm/hbm/fallout_table/default.json. Override hbm:default to replace the table.

Example:

{
  "rules": [
    {
      "targets": "#minecraft:mineable/pickaxe",
      "max_distance_percent": 50.0,
      "restrict_depth": true,
      "primary": [{"state": {"Name": "hbm:sellafield_slaked", "Properties": {"shade": "0"}}, "weight": 1}]
    }
  ]
}

A fallout cloud walks each column of its radius from the top down. For each block, the rules are tried in list order and the first that converts it wins; three restrict_depth conversions, or three solid blocks no rule converted, end the column.

Fields

Field	Meaning and default	Range
`rules`	Ordered replacement rules; the first matching conversion wins.
`targets`Optional	Block ID, block tag, or ID list; default every block.
`state`Optional	Vanilla state-property predicate.
`must_be_opaque`Optional	Restricts matches to occluding blocks; default false.
`restrict_depth`Optional	Counts a conversion toward the column stop; default false.
`primary`Optional	Weighted outcomes when chance succeeds; default empty.
`secondary`Optional	Weighted outcomes when chance fails; default empty.
`primary[].state`	Block state placed by a primary outcome.
`primary[].weight`	Relative selection weight; positive total at most \texttt{i32::MAX}.	[1, \texttt{i32::MAX}]
`secondary[].state`	Block state placed by a secondary outcome.
`secondary[].weight`	Relative selection weight; positive total at most \texttt{i32::MAX}.	[1, \texttt{i32::MAX}]
`chance`Optional	Probability of drawing from primary; default 1.0.	[0, 1] for a useful probability
`min_distance_percent`Optional	Inner distance bound; default 0.	[0, 100] for a useful distance
`max_distance_percent`Optional	Outer distance bound; default 100; at least min_distance_percent.	[0, 100] for a useful distance
`falloff_start`Optional	Fraction of the outer bound where conversions thin out; default 0.9.	[0, 1] for a useful fraction
`preserve`Optional	State property names copied from the replaced block; default empty.

Outcomes and conversion limits

until NTM 1.0.1Applies to NTM 1.0.0.Shown because All revisions is selected.

Weighted selection favors earlier outcomes. With two outcomes of weight 1, the first is always selected.

since NTM 1.0.1Applies to NTM 1.0.1, 1.0.2, 1.0.3, 1.0.4.Shown because All revisions is selected.

Each outcome is selected with probability proportional to its weight.

Keep each outcome list's total weight at most \texttt{i32::MAX}.

A matching rule converts nothing, and later rules are tried, when its outcome is hbm:sellafield_slaked or hbm:sellafield_bedrock and the current block is the same block with an equal or higher shade, when it would replace hbm:sellafield_bedrock with another block, or when it would place a block other than hbm:sellafield_bedrock at the world's minimum Y.

The shipped rules use #minecraft:mineable/axe for wood, #minecraft:mineable/pickaxe for rock and metal, and #minecraft:mineable/shovel for sand and soil.

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Outcomes and conversion limits