28 lines
1.3 KiB
Java
28 lines
1.3 KiB
Java
package net.minecraft.core.component.predicates;
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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.critereon.CollectionPredicate;
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import net.minecraft.advancements.critereon.ItemPredicate;
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import net.minecraft.advancements.critereon.SingleComponentItemPredicate;
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import net.minecraft.core.component.DataComponentType;
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import net.minecraft.core.component.DataComponents;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.component.ItemContainerContents;
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public record ContainerPredicate(Optional<CollectionPredicate<ItemStack, ItemPredicate>> items) implements SingleComponentItemPredicate<ItemContainerContents> {
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public static final Codec<ContainerPredicate> CODEC = RecordCodecBuilder.create(
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instance -> instance.group(CollectionPredicate.codec(ItemPredicate.CODEC).optionalFieldOf("items").forGetter(ContainerPredicate::items))
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.apply(instance, ContainerPredicate::new)
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);
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@Override
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public DataComponentType<ItemContainerContents> componentType() {
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return DataComponents.CONTAINER;
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}
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public boolean matches(ItemContainerContents itemContainerContents) {
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return !this.items.isPresent() || ((CollectionPredicate)this.items.get()).test(itemContainerContents.nonEmptyItems());
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}
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}
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