/// <summary>
/// Checks if inspected contains any targets that equal null, and if so,
/// attempts to recover references to them. Any targets that remain null
/// after these attempts get removed from the inspected array.
/// </summary>
/// <returns> True if there were no null targets, or any null targets could be recovered. Returns false if there were unrecoverable null targets. </returns>
public bool TryRecoverAnyNullUnityObjects()
{
bool noUnfixableNullsFound = true;
for (int n = inspected.Length - 1; n >= 0; n--)
{
var target = inspected[n];
if (target == null)
{
if (UnityObjectExtensions.TryToFixNull(ref target))
{
#if DEV_MODE
Debug.LogWarning("InspectorState.inspected[" + n + "] (\"" + target.name + "\") was null, but was able to recover it using InstanceID.");
#endif
continue;
}
#if DEV_MODE
Debug.LogWarning("InspectorState.inspected[" + n + "] (\"" + (ReferenceEquals(target, null) ? "null" : target.name) + "\") was null and unrecoverable. Removing from array");
#endif
// if could not recover target, remove null entry from array
inspected = inspected.RemoveAt(n);
noUnfixableNullsFound = false;
}
}
return(noUnfixableNullsFound);
}
/// <inheritdoc/>
public void OnProjectOrHierarchyChanged(OnChangedEventSubject changed, ref bool hasNullReferences)
{
if (changed != OnChangedEventSubject.Project && changed != OnChangedEventSubject.Undefined)
{
return;
}
for (int n = targets.Length - 1; n >= 0; n--)
{
var target = targets[n];
if (target == null)
{
if (UnityObjectExtensions.TryToFixNull(ref target))
{
#if DEV_MODE
Debug.LogWarning(ToString() + ".OnHierarchyChanged fixed targets[" + n + "] (\"" + target.name + "\") being null.");
#endif
continue;
}
#if DEV_MODE
Debug.Log(ToString() + ".OnHierarchyChanged targets[" + n + "] was null and could not be fixed.");
#endif
hasNullReferences = true;
}
}
#if UNITY_EDITOR
if (editor != null && Editors.DisposeIfInvalid(ref editor))
{
hasNullReferences = true; // set to true so that drawers get rebuilt, in case e.g. asset paths have changed.
}
if (assetEditor != null && Editors.DisposeIfInvalid(ref assetEditor))
{
hasNullReferences = true; // set to true so that drawers get rebuilt, in case e.g. asset paths have changed.
}
#endif
FetchAssetEditor();
UpdateEditor();
}
public void RemoveUnloadedAndInvalidTargets()
{
#if DEV_MODE && DEBUG_REMOVE_INVALID
Debug.Log("SelectionHistory.RemoveReferencesToUnloadedOrInvalidScenes()");
#endif
int count = history.Count;
for (int n = count - 1; n >= 0; n--)
{
var objs = history[n];
for (int o = objs.Length - 1; o >= 0; o--)
{
var obj = objs[o];
if (obj == null)
{
if (!UnityObjectExtensions.TryToFixNull(ref obj))
{
#if DEV_MODE && DEBUG_REMOVE_INVALID
Debug.Log("Removing history[" + n + "][" + o + "]: because target no longer exists");
#endif
objs = objs.RemoveAt(o);
}
}
}
if (objs.Length == 0)
{
history.RemoveAt(n);
if (currentIndex > n)
{
currentIndex--;
}
#if DEV_MODE && DEBUG_REMOVE_INVALID
Debug.Log("Removed history[" + n + "] because none of the targets existed any longer. Index now " + index + " nad history.Count=" + history.Count);
#endif
}
}
}
