core/Runtime/EventManager/InteractionEvents.cs

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

namespace KairoEngine
{

    public class EventData
    {
        public GameObject obj;

        public EventData(GameObject obj = null)
        {
            this.obj = obj;
        }
    }

    public class InteractionEvents
    {
        public static Dictionary<string, System.Action<EventData>> list = new Dictionary<string, System.Action<EventData>>();

        public static void StartListening(string title, System.Action<EventData> listener)
        {
            System.Action<EventData> action = null;
            if (list.TryGetValue(title, out action))
            {
                action += listener;
                list[title] = action;
            }
            else
            {
                action += listener;
                list.Add(title, action);
            }
        }

        public static void StopListening(string title, System.Action<EventData> listener)
        {
            System.Action<EventData> action = null;
            if (list.TryGetValue(title, out action))
            {
                action -= listener;
                list[title] = action;
            }
        }

        public static void Trigger(string title, EventData eventData)
        {
            System.Action<EventData> action = null;
            if (list.TryGetValue(title, out action))
            {
                if(action != null) action(eventData);
            }
        }
    }
}