/// <summary>
/// 如果正在显示，不做处理
/// 如果在hide ，显示出来
/// 其他情况就创建一个新的
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public async Task <UI> CreateAsync(string type)
{
UI ui = Get(type);
if (ui != null && ui.UiComponent.InShow)
{
return(ui);
}
//打开遮罩，阻挡点击事件,只有一个控件，很快的
UI uiEventMask = await CreateUIEventMask();
await semaphoreSlim.WaitAsync();
bool isRelease = false;
//信号量释放后要重新刷新堵塞前的状态
ui = Get(type);
if (ui != null && ui.UiComponent.InShow)
{
ReleaseRelated(uiEventMask, ref isRelease);
return(ui);
}
try
{
if (ui == null)
{
//ui = UiTypes[type].Create(this.GetParent<Scene>(), type, Root);
ui = await uiFactory.CreateAsync(type);
uis.Add(type, ui);
}
if (ui.GameObject == null)
{
ZLog.Error(type + "CreateAsync ui.GameObject==null");
//return null;
}
else
{
SetViewParent(ui, ui.GameObject.GetComponent <CanvasConfig>()?.CanvasName);
ui.ShowUI();
AddCanvas(ui.GameObject);
}
//热更层不会走finally,所有这里直接释放掉
ReleaseRelated(uiEventMask, ref isRelease);
return(ui);
}
catch (Exception e)
{
throw new Exception($"{type} UI 错误: {e}");
}
finally
{
ReleaseRelated(uiEventMask, ref isRelease);
}
}