示例#1
0
        /// <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);
            }
        }