/// <summary>
/// 特殊页面关闭当前页面，切换到空白的页面，主要用于场景切换时候后台加载UI
/// </summary>
public static void ChangeToBlankPage(bool isForceDestroyed)
{
if (CurUIBaseChangePage == null)
{
return;
}
string previousPageName = CurUIBaseChangePage != null ? CurUIBaseChangePage.PageName : string.Empty;
CurUIBaseChangePage.HidePage(isForceDestroyed);
CurUIBaseChangePage = null;
EventManager.TriggerMessage((int)UIEventUsage.NotifyChangePage, previousPageName, string.Empty);
}
/// <summary>/// 保存创建的页面引用/// </summary>
private static void TryCacheUIChangePage(UIBaseChangePage page)
{
if (page == null)
{
Debug.LogError("缓存的页面是空");
return;
}
if (s_AllAliveUIChangePages.TryGetValue(page.PageName, out var cachePage) && cachePage != null && cachePage.IsPrefabInstanceEnable)
{
// Debug.LogError($"重复 缓存的页面 {page.PageName}");
return;
}
s_AllAliveUIChangePages[page.PageName] = page;
}
private static Dictionary <string, UIBaseChangePage> s_AllAliveUIChangePages = new Dictionary <string, UIBaseChangePage>(); //记录所有现在还在内存中的页面
/// <summary>/// 切换到 另一个界面/// </summary>
public static T OpenChangePage <T>(string pageName, string pagePath, LoadAssetChannelUsage loadAssetChannel = LoadAssetChannelUsage.Default) where T : UIBaseChangePage, new()
{
if (string.IsNullOrEmpty(pageName) || string.IsNullOrEmpty(pageName))
{
Debug.LogError("OpenChangePage Fail,Parameter is null");
return(null);
}
if (CurUIBaseChangePage != null && (pageName == CurUIBaseChangePage.PageName))
{
Debug.LogError("页面无法切换到自身 " + pageName);
return(CurUIBaseChangePage as T);
} //自己切换到自己
T targetPage = TryGetUIChangePageFromCache(pageName) as T; //首先检测缓存中的数据
//创建界面
if (targetPage == null || targetPage.IsPrefabInstanceEnable == false)
{
CreateUIPageInstance(pageName, pagePath, mUIChangePage, (goInstance) =>
{
if (goInstance != null)
{
if (targetPage == null)
{
targetPage = new T();
}
else
{
targetPage.ResetPageForReConnectInstance();
}
targetPage.UIChangePageInitialed(pageName, pagePath, UIPageTypeEnum.ChangePage, goInstance);
TryCacheUIChangePage(targetPage);
targetPage.InstantiatePage(); //初始化
#if UNITY_EDITOR
//var debugShowScript = goInstance.GetAddComponentEx<Debug_ShowUIPageInfor>();
//debugShowScript.Initialed(targetPage);
#endif
}
}, loadAssetChannel);
}
if (targetPage == null || targetPage.IsPrefabInstanceEnable == false)
{
Debug.LogError($"创建页面 pageName={pageName} pagePath={pagePath} ");
return(null);
}
string previousPageName = CurUIBaseChangePage != null ? CurUIBaseChangePage.PageName : string.Empty;
if (CurUIBaseChangePage != null)
{
CurUIBaseChangePage.HidePage(false);
RecordChangePage(CurUIBaseChangePage.PageName);
}
CurUIBaseChangePage = targetPage;
targetPage.ShowPage();
EventManager.TriggerMessage((int)UIEventUsage.NotifyChangePage, previousPageName, CurUIBaseChangePage.PageName);
return(targetPage);
}
/// <summary>/// 只在弹窗被真正销毁时候调用/// </summary>
public static void RemoveUIChangePageFromCache(UIBaseChangePage pageName)
{
s_AllAliveUIChangePages.Remove(pageName.PageName);
}
/// <summary>///
/// 返回到上一个界面
/// /// </summary>
public static void BackPage()
{
string perviousPageName = string.Empty;
UIBaseChangePage previouPage = null;
while (true)
{
if (s_ChangePageRecord.Count == 0)
{
return;
}
perviousPageName = s_ChangePageRecord.Pop();
if (string.IsNullOrEmpty(perviousPageName))
{
continue;
}
if (CurUIBaseChangePage != null && perviousPageName == CurUIBaseChangePage.PageName)
{
continue;
}
previouPage = TryGetUIChangePageFromCache(perviousPageName);
if (previouPage == null)
{
Debug.LogError($"无法返回到上一个界面 {perviousPageName} ，没有被记录的页面");
return;
}
if (previouPage.IsPrefabInstanceEnable == false)
{
CreateUIPageInstance(previouPage.PageName, previouPage.mPagePath, mUIChangePage, (goInstance) =>
{
if (goInstance != null)
{
previouPage.ResetPageForReConnectInstance();
previouPage.UIChangePageInitialed(previouPage.PageName, previouPage.mPagePath, UIPageTypeEnum.ChangePage, goInstance);
previouPage.InstantiatePage(); //初始化
#if UNITY_EDITOR
//var debugShowScript = goInstance.GetAddComponentEx<Debug_ShowUIPageInfor>();
//debugShowScript.Initialed(previouPage);
#endif
}
}, LoadAssetChannelUsage.Default);
}
if (previouPage.IsPrefabInstanceEnable == false)
{
continue; //说明上一个页面加载失败
}
string previousPageName = CurUIBaseChangePage != null ? CurUIBaseChangePage.PageName : string.Empty;
if (CurUIBaseChangePage != null)
{
CurUIBaseChangePage.HidePage(false);
RecordChangePage(previouPage.PageName);
}
CurUIBaseChangePage = previouPage;
previouPage.ShowPage();
EventManager.TriggerMessage((int)UIEventUsage.NotifyChangePage, previousPageName, CurUIBaseChangePage.PageName);
return;
}
}
