package net.minecraft.core.component.predicates; import com.mojang.serialization.Codec; import java.util.Optional; import net.minecraft.advancements.critereon.SingleComponentItemPredicate; import net.minecraft.core.Holder; import net.minecraft.core.HolderSet; import net.minecraft.core.RegistryCodecs; import net.minecraft.core.component.DataComponentType; import net.minecraft.core.component.DataComponents; import net.minecraft.core.registries.Registries; import net.minecraft.world.item.alchemy.Potion; import net.minecraft.world.item.alchemy.PotionContents; public record PotionsPredicate(HolderSet potions) implements SingleComponentItemPredicate { public static final Codec CODEC = RegistryCodecs.homogeneousList(Registries.POTION).xmap(PotionsPredicate::new, PotionsPredicate::potions); @Override public DataComponentType componentType() { return DataComponents.POTION_CONTENTS; } public boolean matches(PotionContents potionContents) { Optional> optional = potionContents.potion(); return !optional.isEmpty() && this.potions.contains((Holder)optional.get()); } public static DataComponentPredicate potions(HolderSet potions) { return new PotionsPredicate(potions); } }