/**************************************************************************************************
 Copyright (C) 2021 - All Rights Reserved.
--------------------------------------------------------------------------------------------------------
 当前版本：1.0;
 文 件 ： MessageDispatcher.cs;
 作 者 ： HuBingJie;
 时 间 ： 2021 - 06 - 22;
 注 释 ： 消息中心，方便各系统之间通信;
**************************************************************************************************/

using System.Collections.Generic;

public delegate void MessageHandler(uint iMessageType, object arg);

public class MessageDispatcher : DataSingleton<MessageDispatcher>
{
    Dictionary<uint, MessageHandler> m_HandlerMap;
    public MessageDispatcher()
    {
        m_HandlerMap = new Dictionary<uint, MessageHandler>();
    }

    public MessageHandler RegisterMessageHandler(uint iMessageType, MessageHandler handler)
    {
        if (handler == null)
            return null;

        if (!m_HandlerMap.ContainsKey(iMessageType))
        {
            MessageHandler Handlers = handler;
            m_HandlerMap.Add(iMessageType, Handlers);
        }
        else
        {
            m_HandlerMap[iMessageType] += handler;
        }
        return handler;
    }

    public void UnRegisterMessageHandler(uint iMessageType, MessageHandler handler)
    {
        if (handler == null)
            return;

        if (m_HandlerMap.ContainsKey(iMessageType))
        {
            m_HandlerMap[iMessageType] -= handler;
        }
    }

    public void SendMessage(uint iMessageType, object arg)
    {
        if (m_HandlerMap.ContainsKey(iMessageType))
        {
            if (m_HandlerMap[iMessageType] != null)
            {
                m_HandlerMap[iMessageType].Invoke(iMessageType, arg);
            }
        }
    }

    public override void Init()
    {
 
    }

    public override void OnDispose()
    {
        throw new System.NotImplementedException();
    }
}