public static void UnRegisterMsg(this IMsgReceiver self, string msgName, MoLiVoidDelegate.WithParams callback, MoLiMsgChannel channel = MoLiMsgChannel.Global)
{
if (CheckStrNullOrEmpty(msgName) || CheckDelegateNull(callback))
{
return;
}
// 添加通道
if (!mMsgHandlerDict.ContainsKey(channel))
{
Debug.LogError("Channel:" + channel.ToString() + " doesn't exist");
return;
}
var handlers = mMsgHandlerDict [channel] [msgName];
int handlerCount = handlers.Count;
// 删除List需要从后向前遍历
for (int index = handlerCount - 1; index >= 0; index--)
{
var handler = handlers [index];
if (handler.receiver == self && handler.callback == callback)
{
handlers.Remove(handler);
break;
}
}
}
static bool CheckDelegateNull(MoLiVoidDelegate.WithParams callback)
{
if (null == callback)
{
Debug.LogWarning("callback is Null");
return(true);
}
return(false);
}
/// <summary>
/// 注册消息,
/// 注意第一个参数,使用了C# this的扩展,
/// 所以只有实现IMsgReceiver的对象才能调用此方法
/// </summary>
public static void RegisterGlobalMsg(this IMsgReceiver self, string msgName, MoLiVoidDelegate.WithParams callback)
{
// 略过
if (string.IsNullOrEmpty(msgName))
{
Debug.LogError("RegisterMsg:" + msgName + " is Null or Empty");
return;
}
// 略过
if (null == callback)
{
Debug.LogError("RegisterMsg:" + msgName + " callback is Null");
return;
}
// 添加消息通道
if (!mMsgHandlerDict.ContainsKey(MoLiMsgChannel.Global))
{
mMsgHandlerDict [MoLiMsgChannel.Global] = new Dictionary <string, List <MoLiMsgHandler> > ();
}
// 略过
if (!mMsgHandlerDict[MoLiMsgChannel.Global].ContainsKey(msgName))
{
mMsgHandlerDict[MoLiMsgChannel.Global] [msgName] = new List <MoLiMsgHandler> ();
}
// 看下这里
var handlers = mMsgHandlerDict [MoLiMsgChannel.Global][msgName];
// 略过
// 防止重复注册
foreach (var handler in handlers)
{
if (handler.receiver == self && handler.callback == callback)
{
Debug.LogWarning("RegisterMsg:" + msgName + " ayready Register");
return;
}
}
// 再看下这里
handlers.Add(new MoLiMsgHandler(self, callback));
}
public static void RegisterLogicMsg(this IMsgReceiver self, string msgName, MoLiVoidDelegate.WithParams callback, MoLiMsgChannel channel = MoLiMsgChannel.Global)
{
if (CheckStrNullOrEmpty(msgName) || CheckDelegateNull(callback))
{
return;
}
// 添加消息通道
if (!mMsgHandlerDict.ContainsKey(channel))
{
mMsgHandlerDict [channel] = new Dictionary <string, List <MoLiMsgHandler> > ();
}
// 略过
if (!mMsgHandlerDict[channel].ContainsKey(msgName))
{
mMsgHandlerDict[channel] [msgName] = new List <MoLiMsgHandler> ();
}
// 看下这里
var handlers = mMsgHandlerDict [channel][msgName];
// 略过
// 防止重复注册
foreach (var handler in handlers)
{
if (handler.receiver == self && handler.callback == callback)
{
Debug.LogWarning("RegisterMsg:" + msgName + " ayready Register");
return;
}
}
// 再看下这里
handlers.Add(new MoLiMsgHandler(self, callback));
}
/*
* VoidDelegate.WithParams 是一种委托 ,定义是这样的
*
* public class VoidDelegate{
* public delegate void WithParams(params object[] paramList);
* }
*/
public MoLiMsgHandler(IMsgReceiver receiver, MoLiVoidDelegate.WithParams callback)
{
this.receiver = receiver;
this.callback = callback;
}
