package net.minecraft.advancements.critereon; import com.mojang.serialization.Codec; import com.mojang.serialization.codecs.RecordCodecBuilder; import java.util.Optional; import net.minecraft.advancements.CriteriaTriggers; import net.minecraft.advancements.Criterion; import net.minecraft.core.Holder; import net.minecraft.server.level.ServerPlayer; import net.minecraft.world.item.alchemy.Potion; public class BrewedPotionTrigger extends SimpleCriterionTrigger { @Override public Codec codec() { return BrewedPotionTrigger.TriggerInstance.CODEC; } public void trigger(ServerPlayer player, Holder potion) { this.trigger(player, triggerInstance -> triggerInstance.matches(potion)); } public record TriggerInstance(Optional player, Optional> potion) implements SimpleCriterionTrigger.SimpleInstance { public static final Codec CODEC = RecordCodecBuilder.create( instance -> instance.group( EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("player").forGetter(BrewedPotionTrigger.TriggerInstance::player), Potion.CODEC.optionalFieldOf("potion").forGetter(BrewedPotionTrigger.TriggerInstance::potion) ) .apply(instance, BrewedPotionTrigger.TriggerInstance::new) ); public static Criterion brewedPotion() { return CriteriaTriggers.BREWED_POTION.createCriterion(new BrewedPotionTrigger.TriggerInstance(Optional.empty(), Optional.empty())); } public boolean matches(Holder potion) { return !this.potion.isPresent() || ((Holder)this.potion.get()).equals(potion); } } }