/// <summary>
/// 异步释放资源内部实现
/// </summary>
/// <returns></returns>
IEnumerator InternalUnloadAsync()
{
if (APP_CONFIG.DEBUG)
{
QPrint.FrameworkWarn("Unload in ResMgr");
}
AsyncOperation opt = Resources.UnloadUnusedAssets();
yield return(opt);
}
/// <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 RegisterLogicMsg(this IMsgReceiver self, string msgName, VoidDelegate.WithParams callback)
{
// 略过
if (string.IsNullOrEmpty(msgName))
{
QPrint.FrameworkWarn("RegisterMsg:" + msgName + " is Null or Empty");
return;
}
// 略过
if (null == callback)
{
QPrint.FrameworkWarn("RegisterMsg:" + msgName + " callback is Null");
return;
}
// 略过
if (!mMsgHandlerDict.ContainsKey(msgName))
{
mMsgHandlerDict [msgName] = new List <LogicMsgHandler> ();
}
// 看下这里
var handlers = mMsgHandlerDict [msgName];
// 略过
// 防止重复注册
foreach (var handler in handlers)
{
if (handler.receiver == self && handler.callback == callback)
{
QPrint.FrameworkWarn("RegisterMsg:" + msgName + " ayready Register");
return;
}
}
// 再看下这里
handlers.Add(new LogicMsgHandler(self, callback));
}
/// <summary>
/// 发送消息
/// 注意第一个参数
/// </summary>
public static void SendLogicMsg(this IMsgSender sender, string msgName, params object[] paramList)
{
// 略过,不用看
if (string.IsNullOrEmpty(msgName))
{
QPrint.FrameworkError("SendMsg is Null or Empty");
return;
}
// 略过,不用看
if (!mMsgHandlerDict.ContainsKey(msgName))
{
QPrint.FrameworkWarn("SendMsg is UnRegister");
return;
}
// 开始看!!!!
var handlers = mMsgHandlerDict[msgName];
var handlerCount = handlers.Count;
// 之所以是从后向前遍历,是因为 从前向后遍历删除后索引值会不断变化
// 参考文章,http://www.2cto.com/kf/201312/266723.html
for (int index = handlerCount - 1; index >= 0; index--)
{
var handler = handlers[index];
if (handler.receiver != null)
{
QPrint.FrameworkLog("SendLogicMsg:" + msgName + " Succeed");
handler.callback(paramList);
}
else
{
handlers.Remove(handler);
}
}
}
public GameObject LoadUIPrefabSync(string uiName)
{
QPrint.FrameworkWarn("Prefab/UI/" + uiName);
return(Resources.Load <GameObject>("Prefab/UI/" + uiName));
}
