void Update()
{
if (SelectionGroupManager.instance == null)
{
SelectionGroupManager.CreateAndLoad();
Repaint();
}
}
internal static void CreateAndLoad()
{
System.Diagnostics.Debug.Assert(s_Instance == null);
//Find existing
var managers = Resources.FindObjectsOfTypeAll(typeof(SelectionGroupManager));
if (managers.Length > 0)
{
s_Instance = managers[0] as SelectionGroupManager;
if (managers.Length != 1)
{
Debug.LogError($"Multiple SelectionGroupManager instances detected! {managers.Length}");
}
}
if (s_Instance == null)
{
// Load
string filePath = GetFilePath();
if (!string.IsNullOrEmpty(filePath))
{
// If a file exists the
var objects = InternalEditorUtility.LoadSerializedFileAndForget(filePath);
if (objects.Length > 0 && objects[0] is SelectionGroupManager)
{
s_Instance = (SelectionGroupManager)objects[0];
}
}
}
if (s_Instance == null)
{
// Create
var t = CreateInstance <SelectionGroupManager>();
// t.hideFlags = HideFlags.HideAndDontSave;
s_Instance = t;
}
System.Diagnostics.Debug.Assert(s_Instance != null);
}
