Class ModifyRecipeJsonsEvent

java.lang.Object

net.neoforged.bus.api.Event

net.neoforged.neoforge.event.ModifyRecipeJsonsEvent

public class ModifyRecipeJsonsEvent
extends net.neoforged.bus.api.Event

Fired after recipe JSON files have been loaded from disk but before deserialization begins.

This event allows mods to modify the raw JSON data directly, avoiding the need to intercept and reprocess already-deserialized recipe instances.

This event exists primarily for mods that need to perform bulk modifications to recipes, such as for modpack integration in a broadly compatible way. For typical use cases, defining or overriding recipes via standard JSON files is strongly preferred.

The provided map must be modified in-place to affect the upcoming deserialization process. Note that at this stage it is not guaranteed that all recipes will be deserialized, as their conditions have not yet been evaluated. Condition evaluation is performed via ConditionalOps, which is exposed for convenience.

Fired on the logical server via the NeoForge.EVENT_BUS.

Field Summary

Fields

Modifier and Type	Field	Description
private final RegistryOps<JsonElement>	ops
private final Map<Identifier, JsonElement>	recipeJsons
private final RegistryOps.RegistryInfoLookup	registryInfoLookup

Constructor Summary

Constructors

Constructor	Description
ModifyRecipeJsonsEvent(RegistryOps<JsonElement> ops, Map<Identifier, JsonElement> recipeJsons)

Method Summary

Modifier and Type	Method	Description
RegistryOps<JsonElement>	getOps()
Map<Identifier, JsonElement>	getRecipeJsons()
<T> Optional<RegistryOps.RegistryInfo<T>>	lookup(ResourceKey<? extends Registry<? extends T>> registryKey)
<T> RegistryOps.RegistryInfo<T>	lookupOrThrow(ResourceKey<? extends Registry<? extends T>> registryKey)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

registryInfoLookup

private final RegistryOps.RegistryInfoLookup registryInfoLookup

ops

private final RegistryOps<JsonElement> ops

recipeJsons

private final Map<Identifier, JsonElement> recipeJsons

Constructor Details

ModifyRecipeJsonsEvent

public ModifyRecipeJsonsEvent(RegistryOps<JsonElement> ops,
 Map<Identifier, JsonElement> recipeJsons)

Method Details

getOps

public RegistryOps<JsonElement> getOps()

getRecipeJsons

public Map<Identifier, JsonElement> getRecipeJsons()

lookup

public <T> Optional<RegistryOps.RegistryInfo<T>> lookup(ResourceKey<? extends Registry<? extends T>> registryKey)

lookupOrThrow

public <T> RegistryOps.RegistryInfo<T> lookupOrThrow(ResourceKey<? extends Registry<? extends T>> registryKey)