Kubejs IU

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Kubejs IU

By Munichkid

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KubeJS bridge for Industrial Upgrade machine recipes: inspect, add, remove and replace them from scripts. Includes in-game commands.

Mod Loaders
Minecraft
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About

Description

KubeJS IU

Script the machine processing recipes of Industrial Upgrade (IU) from KubeJS.

The problem

IU has two completely separate recipe systems:

Crafting recipes Machine processing recipes
Where datapack data/industrialupgrade/recipe/*.json Java memory: com.denfop.api.recipe.RecipesCore.map_recipes
Example crafting a machine block crushing ore, making ME storage components
Recipe id yes no
Editable from KubeJS yes (ServerEvents.recipes) not at all

So pack authors run into dead ends like these:

  • event.remove({ id: 'industrialupgrade:...' }) cannot delete a crusher recipe - it is not a datapack recipe.
  • event.replaceInput(...) silently does nothing to IU's custom recipe types; KubeJS falls back to a no-op implementation for recipe types it has no schema for.
  • Machine recipes have no id at all, so there is nothing to target.

This mod exposes IU's internal recipe API as plain static methods that KubeJS (or any other mod) can call through Java.loadClass.

Quick start

// kubejs/startup_scripts/iu_machine.js   -- must be startup_scripts
StartupEvents.postInit(event => {
    const iu = Java.loadClass('com.kubejsiu.recipe.IURecipeBridge')

    // Crusher: ender pearl -> ender dust
    iu.addItemRecipe('macerator', 'minecraft:ender_pearl', 1, 'ae2:ender_dust', 1)

    // Multi-slot machine with temperature: chip maker (5 slots)
    iu.addMultiRecipe('microchip',
        ['ae2:cell_component_1k', 'ae2:certus_quartz_crystal',
         'industrialupgrade:itemdust/silicon_dust', 'industrialupgrade:itemingots/osmium',
         'industrialupgrade:itemingots/yttrium'],
        [1, 1, 1, 1, 1],
        'ae2:cell_component_4k', 1, 0, 4500)
})

Inspect recipes in game

/kubejs_iu machines               list every machine name, slot count and recipe count
/kubejs_iu recipes macerator      list all recipes of one machine
/kubejs_iu dump                   write the full machine list to the log

Machine names are matched literally and a typo is ignored silently, so always check the name first.

API

Add recipes

Method Notes
addItemRecipe(machine, in, inCount, out, outCount) single item to item
addItemRecipeTag(machine, tag, inCount, out, outCount) accepts tags like #c:plates/iron; one recipe per tag member
addMachineRecipe(machine, in, inCount, out, outCount, energy) with energy cost
addMultiRecipe(machine, ids[], counts[], out, outCount[, energy][, temperature]) multi-slot machines
addFluidRecipe(machine, inFluid, inMb, outFluid, outMb) fluid machines
addFluidItemRecipe(machine, fluid, mb, in, inCount, out, outCount) fluid + item to item
addCentrifugeRecipe(in, inCount, out, outCount) thermal centrifuge
addSeedBagRecipe(in, cropId) compressor seed bags

Inspect

listMachines() - describeMachine(machine) - countRecipes(machine) - listRecipes(machine) - dumpMachines()

Remove and replace

Method Notes
removeByInput(machine, in, inCount) removes recipes whose first input matches
removeByOutput(machine, out, outCount) removes recipes producing that item
clearMachine(machine) wipes the machine (items and fluids), returns how many were removed
removeFluidRecipe(machine) wipes only that machine's fluid recipes
replaceItemRecipe(machine, ...) - replaceFluidRecipe(machine, ...) clear, then register
reloadRecipes(className) re-runs the default recipes of a registration class (take the class name, not the machine name)

Every method returns false / 0 and logs a warning on failure instead of throwing into KubeJS.

Rules and caveats

  1. Call the API inside StartupEvents.postInit in kubejs/startup_scripts/. IU's recipe table already exists at that point, and addRecipe appends - putting this in server_scripts would duplicate recipes on every /reload.
  2. Restart the game after changing those scripts; /reload does not re-run startup scripts.
  3. energy / temperature values of 0 mean "use the machine default".

Requirements

  • Minecraft 1.21.1, NeoForge 21.1.x
  • Industrial Upgrade - required
  • KubeJS - optional; the bridge references no KubeJS class, so other mods can call it as well

Notes

  • 3 classes, 0 mixins, 0 blocks, 0 items, 0 packets. Server-side only installation works.
  • Contains no code, assets or data from Industrial Upgrade; IU is a compile-time dependency only.
  • License: MIT.