HashedPatchMap.java

net.minecraft.network.HashedPatchMap

信息

• 全限定名：net.minecraft.network.HashedPatchMap
• 类型：public record
• 包：net.minecraft.network
• 源码路径：src/main/java/net/minecraft/network/HashedPatchMap.java
• 起始行号：L16
• 职责：

  TODO

字段/常量

• STREAM_CODEC
  • 类型: StreamCodec<RegistryFriendlyByteBuf,HashedPatchMap>
  • 修饰符: public static final
  • 源码定位: L17
  • 说明:

    TODO

内部类/嵌套类型

• net.minecraft.network.HashedPatchMap.HashGenerator
  • 类型: interface
  • 修饰符: public
  • 源码定位: L56
  • 说明:

    TODO

构造器

• 无

方法

下面的方法块按源码顺序生成。

public static HashedPatchMap create(DataComponentPatch patch, HashedPatchMap.HashGenerator hasher) @ L25

• 方法名：create
• 源码定位：L25
• 返回类型：HashedPatchMap
• 修饰符：public static

参数:

• patch: DataComponentPatch
• hasher: HashedPatchMap.HashGenerator

说明:

TODO

public boolean matches(DataComponentPatch patch, HashedPatchMap.HashGenerator hasher) @ L32

• 方法名：matches
• 源码定位：L32
• 返回类型：boolean
• 修饰符：public

参数:

• patch: DataComponentPatch
• hasher: HashedPatchMap.HashGenerator

说明:

TODO

代码

public record HashedPatchMap(Map<DataComponentType<?>, Integer> addedComponents, Set<DataComponentType<?>> removedComponents) {
    public static final StreamCodec<RegistryFriendlyByteBuf, HashedPatchMap> STREAM_CODEC = StreamCodec.composite(
        ByteBufCodecs.map(HashMap::new, ByteBufCodecs.registry(Registries.DATA_COMPONENT_TYPE), ByteBufCodecs.INT, 256),
        HashedPatchMap::addedComponents,
        ByteBufCodecs.collection(HashSet::new, ByteBufCodecs.registry(Registries.DATA_COMPONENT_TYPE), 256),
        HashedPatchMap::removedComponents,
        HashedPatchMap::new
    );
 
    public static HashedPatchMap create(DataComponentPatch patch, HashedPatchMap.HashGenerator hasher) {
        DataComponentPatch.SplitResult split = patch.split();
        Map<DataComponentType<?>, Integer> setComponentHashes = new IdentityHashMap<>(split.added().size());
        split.added().forEach(e -> setComponentHashes.put(e.type(), hasher.apply((TypedDataComponent<?>)e)));
        return new HashedPatchMap(setComponentHashes, split.removed());
    }
 
    public boolean matches(DataComponentPatch patch, HashedPatchMap.HashGenerator hasher) {
        DataComponentPatch.SplitResult split = patch.split();
        if (!split.removed().equals(this.removedComponents)) {
            return false;
        } else if (this.addedComponents.size() != split.added().size()) {
            return false;
        } else {
            for (TypedDataComponent<?> typedDataComponent : split.added()) {
                Integer expectedHash = this.addedComponents.get(typedDataComponent.type());
                if (expectedHash == null) {
                    return false;
                }
 
                Integer actualHash = hasher.apply(typedDataComponent);
                if (!actualHash.equals(expectedHash)) {
                    return false;
                }
            }
 
            return true;
        }
    }
 
    @FunctionalInterface
    public interface HashGenerator extends Function<TypedDataComponent<?>, Integer> {
    }
}

引用的其他类

• DataComponentPatch

  • 引用位置: 参数

• RegistryFriendlyByteBuf

  • 引用位置: 字段

• ByteBufCodecs

  • 引用位置: 方法调用
  • 关联成员: ByteBufCodecs.collection(), ByteBufCodecs.map(), ByteBufCodecs.registry()

• StreamCodec

  • 引用位置: 字段/方法调用
  • 关联成员: StreamCodec.composite()