Health

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Health : MonoBehaviour {
    public int maxHealth = 100;
    int m_curHealth;
    MessageHandler m_messageHandler;


    void Start ()
    {
        m_curHealth = maxHealth;
        m_messageHandler = GetComponent<MessageHandler>();

        if(m_messageHandler)
        {
            m_messageHandler.RegisterDelegate(RecieveMessage);
        }
    }
    void RecieveMessage(MessageType msgType, GameObject go, MessageData msgData)
    {
        switch (msgType)
        {
            case MessageType.DAMAGED:
                DamageData dmgData = msgData as DamageData;
                if(dmgData != null)
                {
                    DoDamage(dmgData.damage, go);
                }
                break;
        }
    }
    void DoDamage(int dmg, GameObject go)
    {
        m_curHealth -= dmg;


        if(m_curHealth <= 0)
        {
            m_curHealth = 0;

            if (m_messageHandler)
            {
                DeathData deathData = new DeathData();
                deathData.attacker = go;
                deathData.attacked = gameObject;

                m_messageHandler.GiveMessage(MessageType.DIED, gameObject, deathData);
            }
        }
        if (m_messageHandler)
        {
            HealthData hpData = new HealthData();

            hpData.maxHealth = maxHealth;
            hpData.curHealth = m_curHealth;

            m_messageHandler.GiveMessage(MessageType.HEALTHCHANGED, gameObject, hpData);
        }
    }
}