Class ThiefEntity

src/main/java/com/example/tutorialv3/entities/ThiefEntity.java:19–74

import javax.annotation.Nullable;

public class ThiefEntity extends Animal {

    private boolean stealing = false;

    public ThiefEntity(EntityType<? extends Animal> type, Level worldIn) {
        super(type, worldIn);
    }

    @Override
    protected void registerGoals() {
        this.goalSelector.addGoal(0, new AvoidEntityGoalNoCombat<>(this, Player.class, 6.0F, 1.2, 1.2));
        this.goalSelector.addGoal(1, new ThiefFindChestGoal(this, 1.3));
        this.goalSelector.addGoal(5, new WaterAvoidingRandomStrollGoal(this, 0.8));
        this.goalSelector.addGoal(6, new LookAtPlayerGoal(this, Player.class, 8.0F));
        this.goalSelector.addGoal(6, new RandomLookAroundGoal(this));
    }

    @Nullable
    @Override
    public AgeableMob getBreedOffspring(ServerLevel serverLevel, AgeableMob ageableMob) {
        return null;
    }

    @Override
    public void load(CompoundTag tag) {
        super.load(tag);
        stealing = tag.getBoolean("Stealing");
    }

    @Override
    public boolean save(CompoundTag tag) {
        tag.putBoolean("Stealing", stealing);
        return super.save(tag);
    }

    public boolean isStealing() {
        return stealing;
    }

    public void setStealing(boolean stealing) {
        this.stealing = stealing;
    }

    //    @Override
//    public Packet<?> getAddEntityPacket() {
//        return NetworkHooks.getEntitySpawningPacket(this);
//    }

    public static AttributeSupplier.Builder prepareAttributes() {
        return LivingEntity.createLivingAttributes()
                .add(Attributes.ATTACK_DAMAGE, 3.0)
                .add(Attributes.MAX_HEALTH, 20.0)
                .add(Attributes.FOLLOW_RANGE, 40.0)
                .add(Attributes.MOVEMENT_SPEED, 0.3);
    }
}