The Book of Boxcars

Inputs match the occupied slots of the 2×2 grid in reading order, skipping empty slots; the number of occupied slots must equal the number of entries. count is ignored, and each craft takes one item from every occupied slot. The book produces the first output position.

Fields

Field	Meaning and default	Range
`type`	Selects the `hbm:magic` recipe format.
`name`Optional	Internal lookup name; defaults to the last segment of the recipe resource path.
`input_items`	Ordered counted item inputs; defaults to an empty list.
`ingredient`	Item ID, item tag, or loader ingredient object.
`count`Optional	Items required from one stack; default 1. The item stack limit bounds a usable count.	[1, \texttt{i32::MAX}]
`components`Optional	Exact item-component values.
`predicates`Optional	Item-component predicates.
`output_items`	Fixed or weighted item-output positions; defaults to an empty list.
`item ID`	Fixed output: String form for one item.
`id`	Item ID in a stack object.
`count`Optional	Stack size; default 1.	[1, 99]
`components`Optional	Item-component values.
`chance`Optional	Output chance; omit for a guaranteed output. Some machines roll each item of the stack separately.	Rounds to weight [1, 999] of 1000
`data`	Weighted choice: Stack object or an empty object for no output.
`weight`	Relative selection weight; a positive total selects an output.	[0, \texttt{i32::MAX}] each; \sum_i w_i \le \texttt{i32::MAX}
`order`Optional	Sort position within the recipe table; lower values first, default 2147483647.	\texttt{i32}

Example

Source path: data/hbm/recipe/magic/magic.balefire_and_steel.json

{
  "type": "hbm:magic",
  "input_items": [
    {
      "ingredient": "#c:ingots/steel"
    },
    {
      "ingredient": "hbm:egg_balefire_shard"
    }
  ],
  "order": 2,
  "output_items": [
    "hbm:balefire_and_steel"
  ]
}

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