using UnityEngine;
using System.Collections;
using Fungus;

[EventHandlerInfo("Custom",
                      "Trigger2D Enter",
                      "Fires when anything hits the target collider, and returns the object that hit")]
[AddComponentMenu("")]
public class Custom_EventHandler_Trigger2D : EventHandler
{

    /*
    Raising the event:
    Fungus.FungusManager.Instance.EventDispatcher.Raise(new Custom_EventHandler_Trigger2D.Custom_EventHandlerEvent() { target = targetCollider });

     */

    public Collider2D target;
    [VariableProperty(typeof(GameObjectVariable))]
    public GameObjectVariable returnObj;


    public class Custom_EventHandlerEvent
    {
        public Collider2D hitObject;
        public Collider2D source;
    }

    protected EventDispatcher eventDispatcher;

    protected virtual void OnEnable()
    {
        eventDispatcher = FungusManager.Instance.EventDispatcher;

        eventDispatcher.AddListener<Custom_EventHandlerEvent>(OnCustom_EventHandlerEvent);
    }

    protected virtual void OnDisable()
    {
        eventDispatcher.RemoveListener<Custom_EventHandlerEvent>(OnCustom_EventHandlerEvent);

        eventDispatcher = null;
    }

    void OnCustom_EventHandlerEvent(Custom_EventHandlerEvent evt)
    {
        if (target == evt.source)
        {
            if (returnObj != null)
            {
                returnObj.Value = evt.hitObject.gameObject;
            }
            ExecuteBlock();
        }
    }
}