public class DarknessZombie extends MonsterEntity{

    private static final DataParameter<Integer> DATA_SPECIAL_TYPE_ID = EntityDataManager.defineId(DarknessZombie.class, DataSerializers.INT);

    public DarknessZombie(EntityType<? extends MonsterEntity> type, World world) {
        super(type,world);
    }

    @Override
    protected void registerGoals() {
        goalSelector.addGoal(1, new SwimGoal(this));
        goalSelector.addGoal(2, new MeleeAttackGoal(this, 1, false));
        goalSelector.addGoal(7, new WaterAvoidingRandomWalkingGoal(this, 1));
        goalSelector.addGoal(8, new LookAtGoal(this, PlayerEntity.class, 8f));
        goalSelector.addGoal(8, new LookRandomlyGoal(this));
        targetSelector.addGoal(2, new HurtByTargetGoal(this));
        targetSelector.addGoal(3, new NearestAttackableTargetGoal<PlayerEntity>(this, PlayerEntity.class, true));
        addBehaviourGoals();
    }

    @Override
    protected void defineSynchedData() {
        super.defineSynchedData();
        this.getEntityData().define(DATA_SPECIAL_TYPE_ID, 0);
    }

    protected void addBehaviourGoals() {
        this.goalSelector.addGoal(7, new WaterAvoidingRandomWalkingGoal(this, 1.0D));
        this.targetSelector.addGoal(1, (new HurtByTargetGoal(this)).setAlertOthers(ZombifiedPiglinEntity.class));
        this.targetSelector.addGoal(2, new NearestAttackableTargetGoal<>(this, PlayerEntity.class, true));
        this.targetSelector.addGoal(3, new NearestAttackableTargetGoal<>(this, AbstractVillagerEntity.class, false));
        this.targetSelector.addGoal(3, new NearestAttackableTargetGoal<>(this, IronGolemEntity.class, true));
        this.targetSelector.addGoal(5, new NearestAttackableTargetGoal<>(this, TurtleEntity.class, 10, true, false, TurtleEntity.BABY_ON_LAND_SELECTOR));
    }
}