QFramework學習筆記《七》消息機制

  public class MsgDispatcher
    {

        private static Dictionary<string, Action<object>> MsgsDic = new Dictionary<string, Action<object>>();

        /// <summary>
        /// 註冊消息
        /// </summary>
        public static void Register(string msgName,Action<object> onMsgReceived)
        {
            if (!MsgsDic.ContainsKey(msgName)){
                MsgsDic.Add(msgName, _ => { });
            }
            MsgsDic[msgName] += onMsgReceived;
        }

        /// <summary>
        /// 取消註冊
        /// </summary>
        public static void UnRegisterAll(string msgName)
        {
            if (MsgsDic.ContainsKey(msgName))
            {
                MsgsDic.Remove(msgName);
            }          
        }

        /// <summary>
        /// 取消註冊
        /// </summary>
        public static void UnRegister(string msgName,Action<object> onMsgReceived)
        {
            if (MsgsDic.ContainsKey(msgName))
            {
                try
                {
                    MsgsDic[msgName] -= onMsgReceived;
                }catch(Exception e)
                {
                    Debug.Log(e);
                }
            }
        }

        /// <summary>
        /// 發送消息
        /// </summary>
        public static void SendMsg(string msgName,object data)
        {
            if (MsgsDic.ContainsKey(msgName))
            {
                MsgsDic[msgName](data);
            }
        }

    }

消息機制， 可集成到MonoBehavior

    #region 消息機制
        //存儲已經註冊的消息
        List<MsgRecord> MsgsRecords = new List<MsgRecord>();

        #region  封裝消息和消息處理函數
        private class MsgRecord
        {

            public string Name;
            public Action<object> OnMsgReceived;

            static Stack<MsgRecord> MsgRecordPool = new Stack<MsgRecord>();  //對象池

            //分配對象
            public static MsgRecord Sprawn(string name, Action<object> cb)
            {
                MsgRecord record = null;

                if (MsgRecordPool.Count > 0)
                {
                    record = MsgRecordPool.Pop();
                }
                else
                {
                    record = new MsgRecord();
                }

                record.Name = name;
                record.OnMsgReceived = cb;

                return record;
            }

            //回收對象
            public void UnSprawn()
            {
                Name = string.Empty;
                OnMsgReceived = null;
                MsgRecordPool.Push(this);
            }

        }
        #endregion

        /// <summary>
        /// 註冊消息
        /// </summary>
        protected void RegisterMsg(string msgName, Action<object> OnMsgReceived)
        {
            MsgDispatcher.Register(msgName, OnMsgReceived);
            MsgsRecords.Add(MsgRecord.Sprawn(msgName, OnMsgReceived));

        }


        /// <summary>
        /// 註銷消息
        /// </summary>
        protected void UnRegisterMsg(string msgName)
        {
            var recordList = MsgsRecords.FindAll(item => item.Name == msgName);
            recordList.ForEach(item => {
                MsgDispatcher.UnRegister(item.Name, item.OnMsgReceived);
                MsgsRecords.Remove(item);
            });
            recordList.Clear();
        }

        /// <summary>
        /// 註銷消息
        /// </summary>
        protected void UnRegisterMsg(string msgName, Action<object> onMsgReceived)
        {
            var recordList = MsgsRecords.FindAll(item => item.Name == msgName && item.OnMsgReceived == onMsgReceived);
            recordList.ForEach(item => {
                MsgDispatcher.UnRegister(item.Name, item.OnMsgReceived);
                MsgsRecords.Remove(item);
            });
            recordList.Clear();
        }


        /// <summary>
        /// 發送消息
        /// </summary>
        protected void SendMsg(string msgName,object data)
        {
            MsgDispatcher.SendMsg(msgName, data);
        }


        protected abstract void OnBeforeDestroy();


        private void OnDestroy()
        {
            OnBeforeDestroy();
            //取消註冊
            foreach (var Item in MsgsRecords)
            {
                MsgDispatcher.UnRegister(Item.Name, Item.OnMsgReceived);
                Item.UnSprawn();
            }
            MsgsRecords.Clear();
        }



        #endregion