TigerProject/Assets/Scripts/Entity.cs

using UnityEngine;
using UnityEngine.Events;

public class Entity : MonoBehaviour
{
    [SerializeField] private int maxHp;    
    [SerializeField] private int attackDamage = 0;
    [SerializeField] private EntityData data;

    private int currentHp;
    
    void Awake()
    {
        maxHp = data.maxHealth;
        currentHp = data.maxHealth;
        attackDamage = data.attackDamage;
    }

    public virtual void TakeDamage(int playerAttackDamage)
    {
        currentHp -= playerAttackDamage;

        if (currentHp <= 0)
        {
            currentHp = 0;
            Destroy(gameObject);
        }
    }

    private void OnTriggerEnter2D(Collider2D other)
    {
        if (other.CompareTag("Player"))
        {
            if (attackDamage <= 0)
            {
                return;
            }

            other.gameObject.GetComponent<Player>().TakeDamage(attackDamage);
            Destroy(this.gameObject);
        }
    }

    void Update()
    {
        this.RunAI();
    }

    public virtual void RunAI() 
    {
        
    }
}