src/game/java/net/minecraft/advancements/critereon/FishingHookPredicate.java

package net.minecraft.advancements.critereon;

import com.mojang.serialization.Codec;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
import java.util.Optional;
import javax.annotation.Nullable;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.projectile.FishingHook;
import net.minecraft.world.phys.Vec3;

public record FishingHookPredicate(Optional<Boolean> inOpenWater) implements EntitySubPredicate {
    public static final FishingHookPredicate ANY = new FishingHookPredicate(Optional.empty());
    public static final MapCodec<FishingHookPredicate> CODEC = RecordCodecBuilder.mapCodec(
        p_325213_ -> p_325213_.group(Codec.BOOL.optionalFieldOf("in_open_water").forGetter(FishingHookPredicate::inOpenWater))
                .apply(p_325213_, FishingHookPredicate::new)
    );

    public static FishingHookPredicate inOpenWater(boolean p_39767_) {
        return new FishingHookPredicate(Optional.of(p_39767_));
    }

    @Override
    public MapCodec<FishingHookPredicate> codec() {
        return EntitySubPredicates.FISHING_HOOK;
    }

    @Override
    public boolean matches(Entity p_219716_, ServerLevel p_219717_, @Nullable Vec3 p_219718_) {
        if (this.inOpenWater.isEmpty()) {
            return true;
        } else {
            return p_219716_ instanceof FishingHook fishinghook ? this.inOpenWater.get() == fishinghook.isOpenWaterFishing() : false;
        }
    }
}