using System.Collections;

using System.Collections.Generic;

using UnityEngine;

​

public class EnemyWalker : MonoBehaviour

{

    [SerializeField]

    float speed;

    [SerializeField]

    int health;

    [SerializeField]

    int rewardAmount;

​

    int nextPoint = 0;

    GameObject exit;

    Transform enemy;

    Collider2D enemyCollider;

    Animator anim;

    bool isDead = false;

​

    public bool IsDead

    {

        get

        {

            return isDead;

        }

    }

​

    //Объявляем массив пойнтов

    //public Transform[] mPoint;

    GameObject[] mPoint;

​

    void Start()

    {

        mPoint = GameObject.FindGameObjectsWithTag("mPoint");

        exit = GameObject.FindWithTag("Finish");

        enemy = GetComponent<Transform>();

        enemyCollider = GetComponent<Collider2D>();

        anim = GetComponent<Animator>();

        Manager.Instance.RegisterEnemy(this);

    }

​

    void Update()

    {

        //Итерация движения по массиву пойнтов

        for (int n = 0; n < mPoint.Length; n++)

        {

            if (n == nextPoint && isDead == false)

            {

                transform.position = Vector2.MoveTowards(transform.position, mPoint[n].transform.position, speed * Time.deltaTime);

                //Debug.Log("Итерация " + n);

                //Debug.Log("nextPoint " + nextPoint);

                //Debug.Log("mPoint.Length " + mPoint.Length);

            }

        }

        //Движение к выходу

        if (nextPoint == mPoint.Length && isDead == false)

        {

            transform.position = Vector2.MoveTowards(transform.position, exit.transform.position, speed * Time.deltaTime);

            //Debug.Log("exit nextPoint " + nextPoint);

            //Debug.Log("exit mPoint.Length " + mPoint.Length);

        }

        //Уничтожение объекта после выхода

        else if (nextPoint > mPoint.Length)

        {

            Manager.Instance.UnregisterEnemy(this);

            Manager.Instance.IsWaveOver();

            //Debug.Log("Destroy nextPoint " + nextPoint);

            //Debug.Log("Destroy mPoint.Length " + mPoint.Length);

        }

    }

​

    //Счетчик триггеров пойнтов и эксита

    void OnTriggerEnter2D(Collider2D collision)

    {

        if (collision.tag == "mPoint")

        {

            nextPoint += 1;

        }

        else if(collision.tag == "Finish")

        {

            Manager.Instance.RoundEscaped += 1;

            Manager.Instance.TotalEscaped += 1;

            nextPoint += 1;

        }

        else if (collision.tag == "ProjectTile")

        {

            ProjectTile newP = collision.gameObject.GetComponent<ProjectTile>();

            EnemyHit(newP.AttackDamage);

            Destroy(collision.gameObject);

        }

    }

​

    public void EnemyHit(int hitPoint)

    {

        if (health - hitPoint > 0)

        {

            health -= hitPoint;

            //hurt

            anim.Play("Hurt");

        }

        else

        {

            anim.SetTrigger("didDie");

            Die();

            //die

        }

    }

​

    public void Die()

    {

        isDead = true;

        enemyCollider.enabled = false;

        Manager.Instance.TotalKilled += 1;

        Manager.Instance.addMoney(rewardAmount);

        Manager.Instance.IsWaveOver();

    }

}

​