ItemPredicate.java

net.minecraft.advancements.criterion.ItemPredicate

信息

• 全限定名：net.minecraft.advancements.criterion.ItemPredicate
• 类型：public record
• 包：net.minecraft.advancements.criterion
• 源码路径：src/main/java/net/minecraft/advancements/criterion/ItemPredicate.java
• 起始行号：L17
• 实现：Predicate
• 职责：

  TODO

字段/常量

• CODEC
  • 类型: Codec<ItemPredicate>
  • 修饰符: public static final
  • 源码定位: L18
  • 说明:

    TODO

内部类/嵌套类型

• net.minecraft.advancements.criterion.ItemPredicate.Builder
  • 类型: class
  • 修饰符: public static
  • 源码定位: L35
  • 说明:

    TODO

构造器

• 无

方法

下面的方法块按源码顺序生成。

public boolean test(ItemInstance itemStack) @ L27

• 方法名：test
• 源码定位：L27
• 返回类型：boolean
• 修饰符：public

参数:

• itemStack: ItemInstance

说明:

TODO

代码

public record ItemPredicate(Optional<HolderSet<Item>> items, MinMaxBounds.Ints count, DataComponentMatchers components) implements Predicate<ItemInstance> {
    public static final Codec<ItemPredicate> CODEC = RecordCodecBuilder.create(
        i -> i.group(
                RegistryCodecs.homogeneousList(Registries.ITEM).optionalFieldOf("items").forGetter(ItemPredicate::items),
                MinMaxBounds.Ints.CODEC.optionalFieldOf("count", MinMaxBounds.Ints.ANY).forGetter(ItemPredicate::count),
                DataComponentMatchers.CODEC.forGetter(ItemPredicate::components)
            )
            .apply(i, ItemPredicate::new)
    );
 
    public boolean test(ItemInstance itemStack) {
        if (this.items.isPresent() && !itemStack.is(this.items.get())) {
            return false;
        } else {
            return !this.count.matches(itemStack.count()) ? false : this.components.test((DataComponentGetter)itemStack);
        }
    }
 
    public static class Builder {
        private Optional<HolderSet<Item>> items = Optional.empty();
        private MinMaxBounds.Ints count = MinMaxBounds.Ints.ANY;
        private DataComponentMatchers components = DataComponentMatchers.ANY;
 
        public static ItemPredicate.Builder item() {
            return new ItemPredicate.Builder();
        }
 
        public ItemPredicate.Builder of(HolderGetter<Item> lookup, ItemLike... items) {
            this.items = Optional.of(HolderSet.direct(i -> i.asItem().builtInRegistryHolder(), items));
            return this;
        }
 
        public ItemPredicate.Builder of(HolderGetter<Item> lookup, TagKey<Item> tag) {
            this.items = Optional.of(lookup.getOrThrow(tag));
            return this;
        }
 
        public ItemPredicate.Builder withCount(MinMaxBounds.Ints count) {
            this.count = count;
            return this;
        }
 
        public ItemPredicate.Builder withComponents(DataComponentMatchers components) {
            this.components = components;
            return this;
        }
 
        public ItemPredicate build() {
            return new ItemPredicate(this.items, this.count, this.components);
        }
    }
}

引用的其他类

• HolderSet

  • 引用位置: 方法调用
  • 关联成员: HolderSet.direct()

• RegistryCodecs

  • 引用位置: 方法调用
  • 关联成员: RegistryCodecs.homogeneousList()

• ItemInstance

  • 引用位置: 参数/实现