39 lines
1.7 KiB
Java
39 lines
1.7 KiB
Java
package net.minecraft.advancements.critereon;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import java.util.Optional;
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import net.minecraft.advancements.CriteriaTriggers;
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import net.minecraft.advancements.Criterion;
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import net.minecraft.server.level.ServerPlayer;
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import net.minecraft.world.item.ItemStack;
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public class UsingItemTrigger extends SimpleCriterionTrigger<UsingItemTrigger.TriggerInstance> {
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@Override
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public Codec<UsingItemTrigger.TriggerInstance> codec() {
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return UsingItemTrigger.TriggerInstance.CODEC;
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}
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public void trigger(ServerPlayer player, ItemStack item) {
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this.trigger(player, triggerInstance -> triggerInstance.matches(item));
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}
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public record TriggerInstance(Optional<ContextAwarePredicate> player, Optional<ItemPredicate> item) implements SimpleCriterionTrigger.SimpleInstance {
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public static final Codec<UsingItemTrigger.TriggerInstance> CODEC = RecordCodecBuilder.create(
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instance -> instance.group(
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EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("player").forGetter(UsingItemTrigger.TriggerInstance::player),
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ItemPredicate.CODEC.optionalFieldOf("item").forGetter(UsingItemTrigger.TriggerInstance::item)
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)
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.apply(instance, UsingItemTrigger.TriggerInstance::new)
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);
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public static Criterion<UsingItemTrigger.TriggerInstance> lookingAt(EntityPredicate.Builder player, ItemPredicate.Builder item) {
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return CriteriaTriggers.USING_ITEM
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.createCriterion(new UsingItemTrigger.TriggerInstance(Optional.of(EntityPredicate.wrap(player)), Optional.of(item.build())));
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}
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public boolean matches(ItemStack item) {
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return !this.item.isPresent() || ((ItemPredicate)this.item.get()).test(item);
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}
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}
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}
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