UUIRequest Load(string _name, bool _preloading, EOpenMode _openMode)
{
UUIWorker outWorker;
//LOADING_AGAIN:
if (TryGetWoker(_name, out outWorker))
{
//> 已经加载完毕了
if (outWorker.State == EWorkerState.Loading || outWorker.State == EWorkerState.Working)
{
return(outWorker.Request);
}
else
{
//> 这段代码是不会发生的
/*if (null == outWorker.Script)
* {
* RemoveFromContainer(outWorker);
* UnloadResourceByInfo(outWorker.Info);
* goto LOADING_AGAIN;
* }*/
if (_preloading)
{
outWorker.SetRest();
}
else
{
WorkLine.Add(outWorker);
if (WorkLine.Count > 1)
{
WorkLine[WorkLine.Count - 2].SetDownward();
}
outWorker.SetOpen();
outWorker.SetUpward();
}
return(outWorker.Request);
}
}
else
{
UUIInfo outUIInfo;
if (Manager.TryGetUIInfo(_name, out outUIInfo) == false)
{
Output.Error("没有找到 {0} 的信息，加载UI失败！", _name);
return(null);
}
var worker = LoadUI(outUIInfo, _preloading ? EWorkerState.Resting : EWorkerState.Working, (WORKER, TEMPLATE) =>
{
//> 加载完成，但是资源不存在
if (TEMPLATE == null)
{
RemoveFromContainer(WORKER);
UnloadResourceByInfo(WORKER.Info);
Output.Error("UI对象为空:{0}", outUIInfo.GetName());
return;
}
//> 在加载期间调用了Dispose
if (Container.Contains(WORKER) == false)
{
if (false == WORKER.Info.IsSceneObject)
{
GameObject.Destroy(TEMPLATE);
}
UnloadResourceByInfo(WORKER.Info);
Output.Warning("不存在的容器实例:{0}", WORKER.Info.GetName());
return;
}
if (false == WORKER.Info.IsSceneObject)
{
GameObject.DontDestroyOnLoad(TEMPLATE);
}
//> 对象身上没有挂在UUI脚本
if (false == WORKER.SetLoaded(Manager, TEMPLATE))
{
Output.Error("在UI对象{0}身上没有发现UUI脚本对象", _name);
UnloadWorker(WORKER, TEMPLATE);
return;
}
WORKER.Request.InitScript(TEMPLATE.GetComponent <UUIView>());
//> 处理下一个环节的工作
if (WORKER.NextState == EWorkerState.Working)
{
WORKER.SetOpen();
if (WorkLine[WorkLine.Count - 1] != WORKER)
{
WORKER.SetDownward();
}
else
{
WORKER.SetUpward();
}
}
//> 加载期间被设置了退出
else if (WORKER.NextState == EWorkerState.Exiting)
{
WORKER.SetClose(WORKER.NextExitState);
}
});
if (_preloading == false && WorkLine.Count > 1)
{
WorkLine[WorkLine.Count - 2].SetDownward();
}
//> 根据工作模式，清理工作队列
if (_preloading == false && _openMode == EOpenMode.Single)
{
int idx = WorkLine.FindIndex((v) => worker == v);
if (idx > 0)
{
List <UUIWorker> temp = new List <UUIWorker>();
for (int i = 0; i < idx; i++)
{
temp.Insert(0, WorkLine[i]);
}
WorkLine.RemoveRange(0, idx);
//> 处理需要下岗的工人
foreach (var v in temp)
{
v.SetClose(false);
}
temp.Clear();
}
}
return(worker?.Request);
}
}
public UUIRequest Open(string _name, bool _preloading = false, EOpenMode _openMode = EOpenMode.Additive)
{
return(Load(_name, _preloading, _openMode));
}
