Code/net/minecraft/advancements/critereon/MobEffectsPredicate.java

package net.minecraft.advancements.critereon;

import com.google.common.collect.ImmutableMap;
import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
import java.util.Map;
import java.util.Optional;
import java.util.Map.Entry;
import javax.annotation.Nullable;
import net.minecraft.core.Holder;
import net.minecraft.world.effect.MobEffect;
import net.minecraft.world.effect.MobEffectInstance;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.LivingEntity;

public record MobEffectsPredicate(Map<Holder<MobEffect>, MobEffectsPredicate.MobEffectInstancePredicate> effectMap) {
    public static final Codec<MobEffectsPredicate> CODEC = Codec.unboundedMap(MobEffect.CODEC, MobEffectsPredicate.MobEffectInstancePredicate.CODEC)
        .xmap(MobEffectsPredicate::new, MobEffectsPredicate::effectMap);

    public boolean matches(Entity p_56556_) {
        return p_56556_ instanceof LivingEntity livingentity && this.matches(livingentity.getActiveEffectsMap());
    }

    public boolean matches(LivingEntity p_56558_) {
        return this.matches(p_56558_.getActiveEffectsMap());
    }

    public boolean matches(Map<Holder<MobEffect>, MobEffectInstance> p_56562_) {
        for (Entry<Holder<MobEffect>, MobEffectsPredicate.MobEffectInstancePredicate> entry : this.effectMap.entrySet()) {
            MobEffectInstance mobeffectinstance = p_56562_.get(entry.getKey());
            if (!entry.getValue().matches(mobeffectinstance)) {
                return false;
            }
        }

        return true;
    }

    public static class Builder {
        private final ImmutableMap.Builder<Holder<MobEffect>, MobEffectsPredicate.MobEffectInstancePredicate> effectMap = ImmutableMap.builder();

        public static MobEffectsPredicate.Builder effects() {
            return new MobEffectsPredicate.Builder();
        }

        public MobEffectsPredicate.Builder and(Holder<MobEffect> p_331731_) {
            this.effectMap.put(p_331731_, new MobEffectsPredicate.MobEffectInstancePredicate());
            return this;
        }

        public MobEffectsPredicate.Builder and(Holder<MobEffect> p_335348_, MobEffectsPredicate.MobEffectInstancePredicate p_331793_) {
            this.effectMap.put(p_335348_, p_331793_);
            return this;
        }

        public Optional<MobEffectsPredicate> build() {
            return Optional.of(new MobEffectsPredicate(this.effectMap.build()));
        }
    }

    public record MobEffectInstancePredicate(MinMaxBounds.Ints amplifier, MinMaxBounds.Ints duration, Optional<Boolean> ambient, Optional<Boolean> visible) {
        public static final Codec<MobEffectsPredicate.MobEffectInstancePredicate> CODEC = RecordCodecBuilder.create(
            p_325236_ -> p_325236_.group(
                    MinMaxBounds.Ints.CODEC
                        .optionalFieldOf("amplifier", MinMaxBounds.Ints.ANY)
                        .forGetter(MobEffectsPredicate.MobEffectInstancePredicate::amplifier),
                    MinMaxBounds.Ints.CODEC
                        .optionalFieldOf("duration", MinMaxBounds.Ints.ANY)
                        .forGetter(MobEffectsPredicate.MobEffectInstancePredicate::duration),
                    Codec.BOOL.optionalFieldOf("ambient").forGetter(MobEffectsPredicate.MobEffectInstancePredicate::ambient),
                    Codec.BOOL.optionalFieldOf("visible").forGetter(MobEffectsPredicate.MobEffectInstancePredicate::visible)
                )
                .apply(p_325236_, MobEffectsPredicate.MobEffectInstancePredicate::new)
        );

        public MobEffectInstancePredicate() {
            this(MinMaxBounds.Ints.ANY, MinMaxBounds.Ints.ANY, Optional.empty(), Optional.empty());
        }

        public boolean matches(@Nullable MobEffectInstance p_56578_) {
            if (p_56578_ == null) {
                return false;
            } else if (!this.amplifier.matches(p_56578_.getAmplifier())) {
                return false;
            } else if (!this.duration.matches(p_56578_.getDuration())) {
                return false;
            } else {
                return this.ambient.isPresent() && this.ambient.get() != p_56578_.isAmbient()
                    ? false
                    : !this.visible.isPresent() || this.visible.get() == p_56578_.isVisible();
            }
        }
    }
}