package net.minecraft.advancements.critereon; import com.mojang.serialization.Codec; import com.mojang.serialization.codecs.RecordCodecBuilder; import java.util.Optional; import java.util.function.Predicate; import net.minecraft.core.HolderGetter; import net.minecraft.core.HolderSet; import net.minecraft.core.RegistryCodecs; import net.minecraft.core.component.DataComponentGetter; import net.minecraft.core.registries.Registries; import net.minecraft.tags.TagKey; import net.minecraft.world.item.Item; import net.minecraft.world.item.ItemStack; import net.minecraft.world.level.ItemLike; public record ItemPredicate(Optional> items, MinMaxBounds.Ints count, DataComponentMatchers components) implements Predicate { public static final Codec CODEC = RecordCodecBuilder.create( instance -> instance.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(instance, ItemPredicate::new) ); public boolean test(ItemStack itemStack) { if (this.items.isPresent() && !itemStack.is((HolderSet)this.items.get())) { return false; } else { return !this.count.matches(itemStack.getCount()) ? false : this.components.test((DataComponentGetter)itemStack); } } public static class Builder { private Optional> 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 itemRegistry, ItemLike... items) { this.items = Optional.of(HolderSet.direct(itemLike -> itemLike.asItem().builtInRegistryHolder(), items)); return this; } public ItemPredicate.Builder of(HolderGetter itemRegistry, TagKey tag) { this.items = Optional.of(itemRegistry.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); } } }