LayeredRegistryAccess.java

net.minecraft.core.LayeredRegistryAccess

信息

• 全限定名：net.minecraft.core.LayeredRegistryAccess
• 类型：public class
• 包：net.minecraft.core
• 源码路径：src/main/java/net/minecraft/core/LayeredRegistryAccess.java
• 起始行号：L12
• 职责：

  TODO

字段/常量

• keys

  • 类型: List<T>
  • 修饰符: private final
  • 源码定位: L13
  • 说明:

    TODO

• values

  • 类型: List<RegistryAccess.Frozen>
  • 修饰符: private final
  • 源码定位: L14
  • 说明:

    TODO

• composite

  • 类型: RegistryAccess.Frozen
  • 修饰符: private final
  • 源码定位: L15
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

public LayeredRegistryAccess(List<T> keys) @ L17

• 构造器名：LayeredRegistryAccess
• 源码定位：L17
• 修饰符：public

参数:

• keys: List

说明:

TODO

private LayeredRegistryAccess(List<T> keys, List<RegistryAccess.Frozen> values) @ L25

• 构造器名：LayeredRegistryAccess
• 源码定位：L25
• 修饰符：private

参数:

• keys: List
• values: List<RegistryAccess.Frozen>

说明:

TODO

方法

下面的方法块按源码顺序生成。

private int getLayerIndexOrThrow(T layer) @ L31

• 方法名：getLayerIndexOrThrow
• 源码定位：L31
• 返回类型：int
• 修饰符：private

参数:

• layer: T

说明:

TODO

public RegistryAccess.Frozen getLayer(T layer) @ L40

• 方法名：getLayer
• 源码定位：L40
• 返回类型：RegistryAccess.Frozen
• 修饰符：public

参数:

• layer: T

说明:

TODO

public RegistryAccess.Frozen getAccessForLoading(T forLayer) @ L45

• 方法名：getAccessForLoading
• 源码定位：L45
• 返回类型：RegistryAccess.Frozen
• 修饰符：public

参数:

• forLayer: T

说明:

TODO

public RegistryAccess.Frozen getAccessFrom(T forLayer) @ L50

• 方法名：getAccessFrom
• 源码定位：L50
• 返回类型：RegistryAccess.Frozen
• 修饰符：public

参数:

• forLayer: T

说明:

TODO

private RegistryAccess.Frozen getCompositeAccessForLayers(int from, int to) @ L55

• 方法名：getCompositeAccessForLayers
• 源码定位：L55
• 返回类型：RegistryAccess.Frozen
• 修饰符：private

参数:

• from: int
• to: int

说明:

TODO

public LayeredRegistryAccess<T> replaceFrom(T fromLayer, RegistryAccess.Frozen... layers) @ L59

• 方法名：replaceFrom
• 源码定位：L59
• 返回类型：LayeredRegistryAccess
• 修饰符：public

参数:

• fromLayer: T
• layers: RegistryAccess.Frozen…

说明:

TODO

public LayeredRegistryAccess<T> replaceFrom(T fromLayer, List<RegistryAccess.Frozen> layers) @ L63

• 方法名：replaceFrom
• 源码定位：L63
• 返回类型：LayeredRegistryAccess
• 修饰符：public

参数:

• fromLayer: T
• layers: List<RegistryAccess.Frozen>

说明:

TODO

public RegistryAccess.Frozen compositeAccess() @ L84

• 方法名：compositeAccess
• 源码定位：L84
• 返回类型：RegistryAccess.Frozen
• 修饰符：public

参数:

• 无

说明:

TODO

private static Map<ResourceKey<?extends Registry<?>>,Registry<?>> collectRegistries(Stream<?extends RegistryAccess> registries) @ L88

• 方法名：collectRegistries
• 源码定位：L88
• 返回类型：Map<ResourceKey>,Registry<?>>
• 修饰符：private static

参数:

• registries: Stream<?extends RegistryAccess>

说明:

TODO

代码

public class LayeredRegistryAccess<T> {
    private final List<T> keys;
    private final List<RegistryAccess.Frozen> values;
    private final RegistryAccess.Frozen composite;
 
    public LayeredRegistryAccess(List<T> keys) {
        this(keys, Util.make(() -> {
            RegistryAccess.Frozen[] layers = new RegistryAccess.Frozen[keys.size()];
            Arrays.fill(layers, RegistryAccess.EMPTY);
            return Arrays.asList(layers);
        }));
    }
 
    private LayeredRegistryAccess(List<T> keys, List<RegistryAccess.Frozen> values) {
        this.keys = List.copyOf(keys);
        this.values = List.copyOf(values);
        this.composite = new RegistryAccess.ImmutableRegistryAccess(collectRegistries(values.stream())).freeze();
    }
 
    private int getLayerIndexOrThrow(T layer) {
        int index = this.keys.indexOf(layer);
        if (index == -1) {
            throw new IllegalStateException("Can't find " + layer + " inside " + this.keys);
        } else {
            return index;
        }
    }
 
    public RegistryAccess.Frozen getLayer(T layer) {
        int index = this.getLayerIndexOrThrow(layer);
        return this.values.get(index);
    }
 
    public RegistryAccess.Frozen getAccessForLoading(T forLayer) {
        int index = this.getLayerIndexOrThrow(forLayer);
        return this.getCompositeAccessForLayers(0, index);
    }
 
    public RegistryAccess.Frozen getAccessFrom(T forLayer) {
        int index = this.getLayerIndexOrThrow(forLayer);
        return this.getCompositeAccessForLayers(index, this.values.size());
    }
 
    private RegistryAccess.Frozen getCompositeAccessForLayers(int from, int to) {
        return new RegistryAccess.ImmutableRegistryAccess(collectRegistries(this.values.subList(from, to).stream())).freeze();
    }
 
    public LayeredRegistryAccess<T> replaceFrom(T fromLayer, RegistryAccess.Frozen... layers) {
        return this.replaceFrom(fromLayer, Arrays.asList(layers));
    }
 
    public LayeredRegistryAccess<T> replaceFrom(T fromLayer, List<RegistryAccess.Frozen> layers) {
        int index = this.getLayerIndexOrThrow(fromLayer);
        if (layers.size() > this.values.size() - index) {
            throw new IllegalStateException("Too many values to replace");
        } else {
            List<RegistryAccess.Frozen> newValues = new ArrayList<>();
 
            for (int i = 0; i < index; i++) {
                newValues.add(this.values.get(i));
            }
 
            newValues.addAll(layers);
 
            while (newValues.size() < this.values.size()) {
                newValues.add(RegistryAccess.EMPTY);
            }
 
            return new LayeredRegistryAccess<>(this.keys, newValues);
        }
    }
 
    public RegistryAccess.Frozen compositeAccess() {
        return this.composite;
    }
 
    private static Map<ResourceKey<? extends Registry<?>>, Registry<?>> collectRegistries(Stream<? extends RegistryAccess> registries) {
        Map<ResourceKey<? extends Registry<?>>, Registry<?>> result = new HashMap<>();
        registries.forEach(access -> access.registries().forEach(e -> {
            if (result.put(e.key(), e.value()) != null) {
                throw new IllegalStateException("Duplicated registry " + e.key());
            }
        }));
        return result;
    }
}

引用的其他类

• Registry

  • 引用位置: 返回值

• RegistryAccess

  • 引用位置: 参数/字段/方法调用/构造调用/返回值
  • 关联成员: ImmutableRegistryAccess(), RegistryAccess.ImmutableRegistryAccess()

• ResourceKey

  • 引用位置: 返回值

• Util

  • 引用位置: 方法调用
  • 关联成员: Util.make()