private void Update()
{
bool nowDragging = DragAndDrop.objectReferences.Length == 1;
if (_wasDragging != nowDragging)
{
// detect when dragging state changes, so we force a refresh of the hierarchy
_wasDragging = nowDragging;
if (!nowDragging)
{
_draggingHeldOver = null;
_draggingShownQuickInspector = false;
TeneDropTarget.Hide();
}
// doesn't appear to refresh when starting to drag stuff
// but works ok when finishing
Common.HierarchyWindow.Repaint();
}
if (_lastHoverObject != null || _hoverObject != null)
{
if (_lastHoverObject != _hoverObject)
{
// don't currently support plain old gameobjects
if (_hoverObject is GameObject)
{
if (PrefabUtility.GetCorrespondingObjectFromSource(_hoverObject) == null)
{
_hoverObject = null;
}
}
}
if (_lastHoverObject != _hoverObject)
{
_lastHoverObject = _hoverObject;
TeneEnhPreviewWindow.Update(
Common.HierarchyWindow.position,
_mousePosition,
pAsset: _hoverObject
);
}
else
{
_updateThrottle++;
if (_updateThrottle > 20)
{
_hoverObject = null;
Common.HierarchyWindow.Repaint();
_updateThrottle = 0;
}
}
}
if (_draggingHeldOver != null)
{
if (!_draggingShownQuickInspector)
{
if ((System.DateTime.Now - _draggingHeldStart).TotalSeconds >= 0.5f)
{
// user held mouse over a game object, so we can show the
// quick-drop popup window
TeneDropTarget.Update(
Common.HierarchyWindow.position,
_mousePosition,
_draggingHeldOver
);
_draggingShownQuickInspector = true;
}
}
}
}
