RegistryFileCodec.java

net.minecraft.resources.RegistryFileCodec

信息

• 全限定名：net.minecraft.resources.RegistryFileCodec
• 类型：public final class
• 包：net.minecraft.resources
• 源码路径：src/main/java/net/minecraft/resources/RegistryFileCodec.java
• 起始行号：L14
• 实现：Codec<Holder>
• 职责：

  TODO

字段/常量

• registryKey

  • 类型: ResourceKey<?extends Registry<E>>
  • 修饰符: private final
  • 源码定位: L15
  • 说明:

    TODO

• elementCodec

  • 类型: Codec<E>
  • 修饰符: private final
  • 源码定位: L16
  • 说明:

    TODO

• allowInline

  • 类型: boolean
  • 修饰符: private final
  • 源码定位: L17
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

private RegistryFileCodec(ResourceKey<?extends Registry<E>> registryKey, Codec<E> elementCodec, boolean allowInline) @ L27

• 构造器名：RegistryFileCodec
• 源码定位：L27
• 修饰符：private

参数:

• registryKey: ResourceKey<?extends Registry>
• elementCodec: Codec
• allowInline: boolean

说明:

TODO

方法

下面的方法块按源码顺序生成。

public static <E> RegistryFileCodec<E> create(ResourceKey<?extends Registry<E>> registryKey, Codec<E> elementCodec) @ L19

• 方法名：create
• 源码定位：L19
• 返回类型： RegistryFileCodec
• 修饰符：public static

参数:

• registryKey: ResourceKey<?extends Registry>
• elementCodec: Codec

说明:

TODO

public static <E> RegistryFileCodec<E> create(ResourceKey<?extends Registry<E>> registryKey, Codec<E> elementCodec, boolean allowInline) @ L23

• 方法名：create
• 源码定位：L23
• 返回类型： RegistryFileCodec
• 修饰符：public static

参数:

• registryKey: ResourceKey<?extends Registry>
• elementCodec: Codec
• allowInline: boolean

说明:

TODO

public <T> DataResult<T> encode(Holder<E> input, DynamicOps<T> ops, T prefix) @ L33

• 方法名：encode
• 源码定位：L33
• 返回类型： DataResult
• 修饰符：public

参数:

• input: Holder
• ops: DynamicOps
• prefix: T

说明:

TODO

public <T> DataResult<Pair<Holder<E>,T>> decode(DynamicOps<T> ops, T input) @ L49

• 方法名：decode
• 源码定位：L49
• 返回类型： DataResult<Pair<Holder,T>>
• 修饰符：public

参数:

• ops: DynamicOps
• input: T

说明:

TODO

public String toString() @ L77

• 方法名：toString
• 源码定位：L77
• 返回类型：String
• 修饰符：public

参数:

• 无

说明:

TODO

代码

public final class RegistryFileCodec<E> implements Codec<Holder<E>> {
    private final ResourceKey<? extends Registry<E>> registryKey;
    private final Codec<E> elementCodec;
    private final boolean allowInline;
 
    public static <E> RegistryFileCodec<E> create(ResourceKey<? extends Registry<E>> registryKey, Codec<E> elementCodec) {
        return create(registryKey, elementCodec, true);
    }
 
    public static <E> RegistryFileCodec<E> create(ResourceKey<? extends Registry<E>> registryKey, Codec<E> elementCodec, boolean allowInline) {
        return new RegistryFileCodec<>(registryKey, elementCodec, allowInline);
    }
 
    private RegistryFileCodec(ResourceKey<? extends Registry<E>> registryKey, Codec<E> elementCodec, boolean allowInline) {
        this.registryKey = registryKey;
        this.elementCodec = elementCodec;
        this.allowInline = allowInline;
    }
 
    public <T> DataResult<T> encode(Holder<E> input, DynamicOps<T> ops, T prefix) {
        if (ops instanceof RegistryOps<?> registryOps) {
            Optional<HolderOwner<E>> maybeOwner = registryOps.owner(this.registryKey);
            if (maybeOwner.isPresent()) {
                if (!input.canSerializeIn(maybeOwner.get())) {
                    return DataResult.error(() -> "Element " + input + " is not valid in current registry set");
                }
 
                return input.unwrap()
                    .map(id -> Identifier.CODEC.encode(id.identifier(), ops, prefix), value -> this.elementCodec.encode((E)value, ops, prefix));
            }
        }
 
        return this.elementCodec.encode(input.value(), ops, prefix);
    }
 
    @Override
    public <T> DataResult<Pair<Holder<E>, T>> decode(DynamicOps<T> ops, T input) {
        if (ops instanceof RegistryOps<?> registryOps) {
            Optional<HolderGetter<E>> maybeLookup = registryOps.getter(this.registryKey);
            if (maybeLookup.isEmpty()) {
                return DataResult.error(() -> "Registry does not exist: " + this.registryKey);
            } else {
                HolderGetter<E> lookup = maybeLookup.get();
                DataResult<Pair<Identifier, T>> decoded = Identifier.CODEC.decode(ops, input);
                if (decoded.result().isEmpty()) {
                    return !this.allowInline
                        ? DataResult.error(() -> "Inline definitions not allowed here")
                        : this.elementCodec.decode(ops, input).map(p -> p.mapFirst(Holder::direct));
                } else {
                    Pair<Identifier, T> pair = decoded.result().get();
                    ResourceKey<E> elementKey = ResourceKey.create(this.registryKey, pair.getFirst());
                    return lookup.get(elementKey)
                        .map(DataResult::success)
                        .orElseGet(() -> DataResult.error(() -> "Failed to get element " + elementKey))
                        .<Pair<Holder<E>, T>>map(h -> Pair.of(h, pair.getSecond()))
                        .setLifecycle(Lifecycle.stable());
                }
            }
        } else {
            return this.elementCodec.decode(ops, input).map(p -> p.mapFirst(Holder::direct));
        }
    }
 
    @Override
    public String toString() {
        return "RegistryFileCodec[" + this.registryKey + " " + this.elementCodec + "]";
    }
}

引用的其他类

• Holder

  • 引用位置: 参数/实现/返回值

• Registry

  • 引用位置: 参数/字段

• ResourceKey

  • 引用位置: 参数/字段/方法调用
  • 关联成员: ResourceKey.create()