Kubejs IU

By
Munichkid

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

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

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.
Restart the game after changing those scripts; /reload does not re-run startup scripts.
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.

The Kubejs IU Team

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