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

public class MessageCenter
{
    // 
    public delegate void DelMessageDelivery(KeyValueUpdate  kv);
    // 
    public static Dictionary _dicMessages = new Dictionary();
    /// 

    ///  
    /// 
    ///  
    ///  
    public static void AddMsgListener(string messageType, DelMessageDelivery handler)
    {
        // ， 
        if (!_dicMessages.ContainsKey(messageType))
        {
            _dicMessages.Add(messageType, null);
        }
        _dicMessages[messageType] += handler;
    }
    /// 

    ///  
    /// 
    ///  
    ///  
    public static void RemoveMsgListener(string messageType, DelMessageDelivery handler)
    {
        // ， 
        if (_dicMessages.ContainsKey(messageType))
        {
            _dicMessages[messageType] -= handler;
        }
    }
    /// 

    ///  
    /// 
    /// 
    public static void RemoveAllMsgListener()
    {
        // ， 
        if (_dicMessages != null)
        {
            _dicMessages.Clear();
        }
    }
    /// 

    ///  
    /// 
    /// 
    /// 
    public static void SendMessage(string messageType, KeyValueUpdate kv)
    {
        DelMessageDelivery del;// 
        if (_dicMessages.TryGetValue(messageType,out del))
        {
            if (del!=null)
            {
                // 
                del(kv);
            }
        }
    }
}
/// 

///  ， 
/// 
public class KeyValueUpdate
{
    private string _Key;
    private object _Values;
    public string Key
    {
        get { return _Key; }
    }
    public object Values
    {
        get { return _Values; }
    }
    public KeyValueUpdate(string key, object valueObj)
    {
        _Key = key;
        _Values = valueObj;
    }
}

よびだし

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

public class Main : MonoBehaviour
{
    public KeyValueUpdate MyData = new KeyValueUpdate("Chh", 123);
    void Start()
    {
        MessageCenter.AddMsgListener("Chh", MyButton);
    }
    void Update()
    {
        if (Input.GetKeyDown(KeyCode.Q))
        {
            MessageCenter.SendMessage("Chh",MyData);
        }
    }

    public void MyButton(KeyValueUpdate kv)
    {
        Debug.Log(kv.Key+""+kv.Values.ToString());
    }
}