Package net.minecraft.registry

Class RegistryKey<T>

java.lang.Object
net.minecraft.registry.RegistryKey<T>
Type Parameters:
T - the type of the value
public class RegistryKey<T> extends Object
Represents a key for a value in a registry in a context where a root registry is available.
See Also:
Mappings:
Namespace Name
official ace
intermediary net/minecraft/class_5321
named net/minecraft/registry/RegistryKey

  • Field Details

    • INSTANCES

      private static final ConcurrentMap<RegistryKey.RegistryIdPair,RegistryKey<?>> INSTANCES
      A cache of all registry keys ever created.
      Mappings:
      Namespace Name Mixin selector
      official a Lace;a:Ljava/util/concurrent/ConcurrentMap;
      intermediary field_25136 Lnet/minecraft/class_5321;field_25136:Ljava/util/concurrent/ConcurrentMap;
      named INSTANCES Lnet/minecraft/registry/RegistryKey;INSTANCES:Ljava/util/concurrent/ConcurrentMap;

    • registry

      private final Identifier registry
      The identifier of the registry in the root registry.
      Mappings:
      Namespace Name Mixin selector
      official b Lace;b:Lacf;
      intermediary field_25137 Lnet/minecraft/class_5321;field_25137:Lnet/minecraft/class_2960;
      named registry Lnet/minecraft/registry/RegistryKey;registry:Lnet/minecraft/util/Identifier;

    • value

      private final Identifier value
      The identifier of the value in the registry specified by registry.
      Mappings:
      Namespace Name Mixin selector
      official c Lace;c:Lacf;
      intermediary field_25138 Lnet/minecraft/class_5321;field_25138:Lnet/minecraft/class_2960;
      named value Lnet/minecraft/registry/RegistryKey;value:Lnet/minecraft/util/Identifier;

  • Constructor Details

    • RegistryKey

      private RegistryKey(Identifier registry, Identifier value)
      Mappings:
      Namespace Name Mixin selector
      official <init> Lace;<init>(Lacf;Lacf;)V
      intermediary <init> Lnet/minecraft/class_5321;<init>(Lnet/minecraft/class_2960;Lnet/minecraft/class_2960;)V
      named <init> Lnet/minecraft/registry/RegistryKey;<init>(Lnet/minecraft/util/Identifier;Lnet/minecraft/util/Identifier;)V

  • Method Details

    • createCodec

      public static <T> com.mojang.serialization.Codec<RegistryKey<T>> createCodec(RegistryKey<? extends Registry<T>> registry)
      Mappings:
      Namespace Name Mixin selector
      official a Lace;a(Lace;)Lcom/mojang/serialization/Codec;
      intermediary method_39154 Lnet/minecraft/class_5321;method_39154(Lnet/minecraft/class_5321;)Lcom/mojang/serialization/Codec;
      named createCodec Lnet/minecraft/registry/RegistryKey;createCodec(Lnet/minecraft/registry/RegistryKey;)Lcom/mojang/serialization/Codec;

    • of

      public static <T> RegistryKey<T> of(RegistryKey<? extends Registry<T>> registry, Identifier value)
      Creates a registry key for a value in a registry with a registry key for the value-holding registry in the root registry and an identifier of the value.

      You can call it like RegistryKey.of(Registry.ITEM_KEY, new Identifier("iron_ingot")) to create a registry key for iron ingot.

      Type Parameters:
      T - the type of the value
      Parameters:
      registry - the registry key of the registry in the root registry
      value - the identifier of the value
      Mappings:
      Namespace Name Mixin selector
      official a Lace;a(Lace;Lacf;)Lace;
      intermediary method_29179 Lnet/minecraft/class_5321;method_29179(Lnet/minecraft/class_5321;Lnet/minecraft/class_2960;)Lnet/minecraft/class_5321;
      named of Lnet/minecraft/registry/RegistryKey;of(Lnet/minecraft/registry/RegistryKey;Lnet/minecraft/util/Identifier;)Lnet/minecraft/registry/RegistryKey;

    • ofRegistry

      public static <T> RegistryKey<Registry<T>> ofRegistry(Identifier registry)
      Creates a registry key for a registry in the root registry (registry of all registries) with an identifier for the registry.

      You can call it like RegistryKey.of(new Identifier("block")) to create a registry key for the block registry.

      Type Parameters:
      T - the element type of the registry
      Parameters:
      registry - the identifier of the registry
      Mappings:
      Namespace Name Mixin selector
      official a Lace;a(Lacf;)Lace;
      intermediary method_29180 Lnet/minecraft/class_5321;method_29180(Lnet/minecraft/class_2960;)Lnet/minecraft/class_5321;
      named ofRegistry Lnet/minecraft/registry/RegistryKey;ofRegistry(Lnet/minecraft/util/Identifier;)Lnet/minecraft/registry/RegistryKey;

    • of

      private static <T> RegistryKey<T> of(Identifier registry, Identifier value)
      Mappings:
      Namespace Name Mixin selector
      official a Lace;a(Lacf;Lacf;)Lace;
      intermediary method_29181 Lnet/minecraft/class_5321;method_29181(Lnet/minecraft/class_2960;Lnet/minecraft/class_2960;)Lnet/minecraft/class_5321;
      named of Lnet/minecraft/registry/RegistryKey;of(Lnet/minecraft/util/Identifier;Lnet/minecraft/util/Identifier;)Lnet/minecraft/registry/RegistryKey;

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • isOf

      public boolean isOf(RegistryKey<? extends Registry<?>> registry)
      Returns whether this registry key belongs to the given registry (according to its type, not whether the registry actually contains this key).
      Parameters:
      registry - the key of the registry that this registry key should be inside
      Mappings:
      Namespace Name Mixin selector
      official b Lace;b(Lace;)Z
      intermediary method_31163 Lnet/minecraft/class_5321;method_31163(Lnet/minecraft/class_5321;)Z
      named isOf Lnet/minecraft/registry/RegistryKey;isOf(Lnet/minecraft/registry/RegistryKey;)Z

    • tryCast

      public <E> Optional<RegistryKey<E>> tryCast(RegistryKey<? extends Registry<E>> registryRef)
      Returns Optional.of(this) if the key is of registryRef, otherwise Optional.empty().
      Returns:
      Optional.of(this) if the key is of registryRef, otherwise Optional.empty()
      API Note:
      This can be used to safely cast an unknown key to RegistryKey<E> by passing the registry E.
      Mappings:
      Namespace Name Mixin selector
      official c Lace;c(Lace;)Ljava/util/Optional;
      intermediary method_39752 Lnet/minecraft/class_5321;method_39752(Lnet/minecraft/class_5321;)Ljava/util/Optional;
      named tryCast Lnet/minecraft/registry/RegistryKey;tryCast(Lnet/minecraft/registry/RegistryKey;)Ljava/util/Optional;

    • getValue

      public Identifier getValue()
      Mappings:
      Namespace Name Mixin selector
      official a Lace;a()Lacf;
      intermediary method_29177 Lnet/minecraft/class_5321;method_29177()Lnet/minecraft/class_2960;
      named getValue Lnet/minecraft/registry/RegistryKey;getValue()Lnet/minecraft/util/Identifier;

    • getRegistry

      public Identifier getRegistry()
      Mappings:
      Namespace Name Mixin selector
      official b Lace;b()Lacf;
      intermediary method_41185 Lnet/minecraft/class_5321;method_41185()Lnet/minecraft/class_2960;
      named getRegistry Lnet/minecraft/registry/RegistryKey;getRegistry()Lnet/minecraft/util/Identifier;