minecraft-src/net/minecraft/advancements/critereon/NbtPredicate.java
2025-07-04 03:45:38 +03:00

47 lines
1.8 KiB
Java

package net.minecraft.advancements.critereon;
import com.mojang.serialization.Codec;
import io.netty.buffer.ByteBuf;
import net.minecraft.core.component.DataComponentGetter;
import net.minecraft.core.component.DataComponents;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.NbtUtils;
import net.minecraft.nbt.Tag;
import net.minecraft.nbt.TagParser;
import net.minecraft.network.codec.ByteBufCodecs;
import net.minecraft.network.codec.StreamCodec;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.component.CustomData;
import org.jetbrains.annotations.Nullable;
public record NbtPredicate(CompoundTag tag) {
public static final Codec<NbtPredicate> CODEC = TagParser.LENIENT_CODEC.xmap(NbtPredicate::new, NbtPredicate::tag);
public static final StreamCodec<ByteBuf, NbtPredicate> STREAM_CODEC = ByteBufCodecs.COMPOUND_TAG.map(NbtPredicate::new, NbtPredicate::tag);
public boolean matches(DataComponentGetter componentGetter) {
CustomData customData = componentGetter.getOrDefault(DataComponents.CUSTOM_DATA, CustomData.EMPTY);
return customData.matchedBy(this.tag);
}
public boolean matches(Entity entity) {
return this.matches(getEntityTagToCompare(entity));
}
public boolean matches(@Nullable Tag tag) {
return tag != null && NbtUtils.compareNbt(this.tag, tag, true);
}
public static CompoundTag getEntityTagToCompare(Entity entity) {
CompoundTag compoundTag = entity.saveWithoutId(new CompoundTag());
if (entity instanceof Player player) {
ItemStack itemStack = player.getInventory().getSelectedItem();
if (!itemStack.isEmpty()) {
compoundTag.put("SelectedItem", itemStack.save(entity.registryAccess()));
}
}
return compoundTag;
}
}