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 java.util.function.Predicate;
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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.server.network.Filterable;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.component.WritableBookContent;
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public record ItemWritableBookPredicate(Optional<CollectionPredicate<Filterable<String>, ItemWritableBookPredicate.PagePredicate>> pages)
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implements SingleComponentItemPredicate<WritableBookContent> {
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public static final Codec<ItemWritableBookPredicate> CODEC = RecordCodecBuilder.create(
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instance -> instance.group(
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CollectionPredicate.codec(ItemWritableBookPredicate.PagePredicate.CODEC).optionalFieldOf("pages").forGetter(ItemWritableBookPredicate::pages)
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)
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.apply(instance, ItemWritableBookPredicate::new)
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);
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@Override
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public DataComponentType<WritableBookContent> componentType() {
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return DataComponents.WRITABLE_BOOK_CONTENT;
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}
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public boolean matches(ItemStack stack, WritableBookContent value) {
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return !this.pages.isPresent() || ((CollectionPredicate)this.pages.get()).test((Iterable)value.pages());
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}
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public record PagePredicate(String contents) implements Predicate<Filterable<String>> {
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public static final Codec<ItemWritableBookPredicate.PagePredicate> CODEC = Codec.STRING
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.xmap(ItemWritableBookPredicate.PagePredicate::new, ItemWritableBookPredicate.PagePredicate::contents);
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public boolean test(Filterable<String> contents) {
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return contents.raw().equals(this.contents);
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}
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}
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}
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