UsingItemTrigger.java

net.minecraft.advancements.criterion.UsingItemTrigger

信息

• 全限定名：net.minecraft.advancements.criterion.UsingItemTrigger
• 类型：public class
• 包：net.minecraft.advancements.criterion
• 源码路径：src/main/java/net/minecraft/advancements/criterion/UsingItemTrigger.java
• 起始行号：L12
• 继承：SimpleCriterionTrigger<UsingItemTrigger.TriggerInstance>
• 职责：

  TODO

字段/常量

• 无

内部类/嵌套类型

• net.minecraft.advancements.criterion.UsingItemTrigger.TriggerInstance
  • 类型: record
  • 修饰符: public
  • 源码定位: L22
  • 说明:

    TODO

构造器

• 无

方法

下面的方法块按源码顺序生成。

public Codec<UsingItemTrigger.TriggerInstance> codec() @ L13

• 方法名：codec
• 源码定位：L13
• 返回类型：Codec<UsingItemTrigger.TriggerInstance>
• 修饰符：public

参数:

• 无

说明:

TODO

public void trigger(ServerPlayer player, ItemStack item) @ L18

• 方法名：trigger
• 源码定位：L18
• 返回类型：void
• 修饰符：public

参数:

• player: ServerPlayer
• item: ItemStack

说明:

TODO

代码

public class UsingItemTrigger extends SimpleCriterionTrigger<UsingItemTrigger.TriggerInstance> {
    @Override
    public Codec<UsingItemTrigger.TriggerInstance> codec() {
        return UsingItemTrigger.TriggerInstance.CODEC;
    }
 
    public void trigger(ServerPlayer player, ItemStack item) {
        this.trigger(player, t -> t.matches(item));
    }
 
    public record TriggerInstance(Optional<ContextAwarePredicate> player, Optional<ItemPredicate> item) implements SimpleCriterionTrigger.SimpleInstance {
        public static final Codec<UsingItemTrigger.TriggerInstance> CODEC = RecordCodecBuilder.create(
            i -> i.group(
                    EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("player").forGetter(UsingItemTrigger.TriggerInstance::player),
                    ItemPredicate.CODEC.optionalFieldOf("item").forGetter(UsingItemTrigger.TriggerInstance::item)
                )
                .apply(i, UsingItemTrigger.TriggerInstance::new)
        );
 
        public static Criterion<UsingItemTrigger.TriggerInstance> lookingAt(EntityPredicate.Builder player, ItemPredicate.Builder with) {
            return CriteriaTriggers.USING_ITEM
                .createCriterion(new UsingItemTrigger.TriggerInstance(Optional.of(EntityPredicate.wrap(player)), Optional.of(with.build())));
        }
 
        public boolean matches(ItemStack item) {
            return !this.item.isPresent() || this.item.get().test((ItemInstance)item);
        }
    }
}

引用的其他类

• EntityPredicate

  • 引用位置: 方法调用
  • 关联成员: EntityPredicate.wrap()

• SimpleCriterionTrigger

  • 引用位置: 继承

• ServerPlayer

  • 引用位置: 参数

• ItemStack

  • 引用位置: 参数