static bool IsPartOfPrefabStage(GameObject gameObject, PrefabStage prefabStage)
{
if (gameObject == null)
{
return(false);
}
return(FindGameObjectRecursive(prefabStage.prefabContentsRoot.transform, gameObject));
}
void OnSceneClosing(UnityEditor.Experimental.SceneManagement.PrefabStage scene)
{
UnityEditor.Experimental.SceneManagement.PrefabStage.prefabStageClosing -= OnSceneClosing;
var stage = UnityEditor.Experimental.SceneManagement.PrefabStageUtility.GetCurrentPrefabStage();
PrefabUtility.SaveAsPrefabAsset(stage.prefabContentsRoot, stage.prefabAssetPath);
FlushEditors();
}
internal static bool IsGameObjectThePrefabRootInAnyPrefabStage(GameObject gameObject)
{
PrefabStage prefabStage = GetCurrentPrefabStage();
if (prefabStage != null && prefabStage.isValid)
{
return(prefabStage.prefabContentsRoot == gameObject);
}
return(false);
}
internal static PrefabStage OpenPrefabMode(string prefabAssetPath, GameObject openedFromInstance, PrefabStage.Mode prefabStageMode, StageNavigationManager.Analytics.ChangeType changeTypeAnalytics)
{
if (EditorApplication.isPlaying)
{
bool blockPrefabModeInPlaymode = CheckIfAnyComponentShouldBlockPrefabModeInPlayMode(prefabAssetPath);
if (blockPrefabModeInPlaymode)
{
return(null);
}
}
PrefabStage prevPrefabStage = GetCurrentPrefabStage();
bool setAsFirstItemAfterMainStage = prevPrefabStage == null || !IsPartOfPrefabStage(openedFromInstance, prevPrefabStage);
var previousSelection = Selection.activeGameObject;
UInt64 previousFileID = (openedFromInstance != null) ? GetFileIDForCorrespondingObjectFromSourceAtPath(previousSelection, prefabAssetPath) : 0;
// Ensure valid prefabStageMode (if no context then do not allow Prefab Mode in Context)
if (openedFromInstance == null && prefabStageMode != PrefabStage.Mode.InIsolation)
{
prefabStageMode = PrefabStage.Mode.InIsolation;
}
Stage contextStage = null;
if (prefabStageMode == PrefabStage.Mode.InContext)
{
var stageHistory = StageNavigationManager.instance.stageHistory;
contextStage = stageHistory[stageHistory.Count - 1].GetContextStage();
}
var prefabStage = GetExistingPrefabStage(prefabAssetPath, openedFromInstance, prefabStageMode);
if (prefabStage == null)
{
prefabStage = PrefabStage.CreatePrefabStage(prefabAssetPath, openedFromInstance, prefabStageMode, contextStage);
}
if (StageNavigationManager.instance.SwitchToStage(prefabStage, setAsFirstItemAfterMainStage, changeTypeAnalytics))
{
// If selection did not change by switching stage by us or user (or if current selection is not part of
// the opened prefab stage) then handle automatic selection in new prefab mode.
if (Selection.activeGameObject == previousSelection || !prefabStage.IsPartOfPrefabContents(Selection.activeGameObject))
{
HandleSelectionWhenSwithingToNewPrefabMode(GetCurrentPrefabStage().prefabContentsRoot, previousFileID);
}
SceneView.RepaintAll();
return(prefabStage);
}
else
{
// Failed to switch to new stage
return(null);
}
}
public static PrefabStage GetPrefabStage(GameObject gameObject)
{
// Currently there's at most one prefab stage. Refactor in future if we have multiple.
PrefabStage prefabStage = GetCurrentPrefabStage();
if (prefabStage != null && prefabStage.scene == gameObject.scene)
{
return(prefabStage);
}
return(null);
}
public static bool PrefabModeIsActive(GameObject gameObject) //https://stackoverflow.com/questions/56155148/how-to-avoid-the-onvalidate-method-from-being-called-in-prefab-mode
{
#if UNITY_EDITOR && UNITY_2018_3_OR_NEWER
UnityEditor.Experimental.SceneManagement.PrefabStage prefabStage = UnityEditor.Experimental.SceneManagement.PrefabStageUtility.GetPrefabStage(gameObject);
if (prefabStage != null)
{
return(true);
}
if (UnityEditor.EditorUtility.IsPersistent(gameObject))
{
return(true);
}
#endif
return(false);
}
internal static bool IsGameObjectInInvalidPrefabStage(GameObject gameObject)
{
PrefabStage prefabStage = GetCurrentPrefabStage();
return(prefabStage != null && prefabStage.scene == gameObject.scene && !prefabStage.isValid);
}
