/// <summary>
/// 显示一个View面板
/// </summary>
/// <param name="viewName">View名称, 也是Resources下View预制体资源相对路径</param>
/// <param name="layer">显示在哪一层</param>
public void Show(string viewName, E_ViewLayer layer = E_ViewLayer.Middle)
{
if (viewName == null)
{
throw new System.ArgumentNullException();
}
if (viewDic.ContainsKey(viewName))
{
BaseView view = viewDic[viewName];
ShowView(view, layer);
}
else
{
CreateAsync(viewName);
}
}
private void ShowView(BaseView view, E_ViewLayer layer)
{
RectTransform layerRect = GetLayerTransform(layer);
view.transform.SetParent(layerRect);
RectTransform rect = view.transform as RectTransform;
rect.pivot = Vector2.one / 2f;
rect.localPosition = Vector3.zero;
rect.localRotation = Quaternion.identity;
rect.localScale = Vector3.one;
rect.offsetMin = Vector2.zero;
rect.offsetMax = Vector2.zero;
view.gameObject.SetActive(true);
view.OnShow();
}
private RectTransform GetLayerTransform(E_ViewLayer layer)
{
switch (layer)
{
case E_ViewLayer.Bottom:
return(bottom);
case E_ViewLayer.Middle:
return(middle);
case E_ViewLayer.Top:
return(top);
case E_ViewLayer.System:
return(system);
}
return(middle);
}
public void CreateAsync(string viewName, bool isShow = true, E_ViewLayer layer = E_ViewLayer.Middle)
{
if (loadingSet.Contains(viewName))
{
Debug.LogWarning($"Try to show view {viewName} whitch is loading!");
return;
}
loadingSet.Add(viewName);
ResMgr.Instance.LoadAsync <GameObject>(viewName, (viewObj) =>
{
loadingSet.Remove(viewName);
if (viewObj == null)
{
Debug.LogWarning($"Load view {viewName} failed!");
return;
}
BaseView view = viewObj.GetComponent <BaseView>();
if (view == null)
{
Debug.LogWarning($"View {viewName} do not have BaseView component!");
return;
}
view.Name = viewName;
viewDic[viewName] = view;
// view销毁时从字典中移除 (重要)
view.destroyEvent += () =>
{
if (viewDic.ContainsKey(viewName))
{
viewDic.Remove(viewName);
}
};
if (isShow)
{
ShowView(view, layer);
}
});
}
/// <summary>
/// 显示一个View, 不存在时自动异步加载显示
/// </summary>
/// <param name="viewName">View名称, Resources下的View路径</param>
/// <param name="layer">显示层级</param>
public void ShowView(string viewName, E_ViewLayer layer = E_ViewLayer.Middle)
{
ViewMgr.Instance.Show(viewName, layer);
}
