#pragma warning restore 0618 // Type or member is obsolete
internal static void AddGameObjectsToPrefabAndConnect(GameObject[] gameObjects, Object targetPrefab)
{
if (gameObjects == null)
{
throw new ArgumentNullException("gameObjects");
}
if (gameObjects.Length == 0)
{
throw new ArgumentException("gameObjects array is empty");
}
if (targetPrefab == null)
{
throw new ArgumentNullException("targetPrefab");
}
if (!PrefabUtility.IsPartOfPrefabAsset(targetPrefab))
{
throw new ArgumentException("Target Prefab has to be a Prefab Asset");
}
Object targetPrefabInstance = null;
var targetPrefabObject = PrefabUtility.GetPrefabAssetHandle(targetPrefab);
foreach (GameObject go in gameObjects)
{
if (go == null)
{
throw new ArgumentException("GameObject in input 'gameObjects' array is null");
}
if (EditorUtility.IsPersistent(go)) // Prefab asset
{
throw new ArgumentException("Game object is part of a prefab");
}
var parentPrefabInstance = GetParentPrefabInstance(go);
if (parentPrefabInstance == null)
{
throw new ArgumentException("GameObject is not (directly) parented under a target Prefab instance.");
}
if (targetPrefabInstance == null)
{
targetPrefabInstance = parentPrefabInstance;
if (!IsPrefabInstanceObjectOf(go.transform.parent, targetPrefabObject))
{
throw new ArgumentException("GameObject is not parented under a target Prefab instance.");
}
}
else
{
if (parentPrefabInstance != targetPrefabInstance)
{
throw new ArgumentException("GameObjects must be parented under the same Prefab instance.");
}
}
if (PrefabUtility.IsPartOfNonAssetPrefabInstance(go))
{
var correspondingGO = PrefabUtility.GetCorrespondingObjectFromSource(go);
var correspondingGOPrefabObject = PrefabUtility.GetPrefabAssetHandle(correspondingGO);
if (targetPrefabObject == correspondingGOPrefabObject)
{
throw new ArgumentException("GameObject is already part of target prefab");
}
}
}
string prefabGUID = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(targetPrefab));
if (!VerifyNestingFromScript(gameObjects, prefabGUID, null))
{
throw new ArgumentException("Cyclic nesting detected");
}
AddGameObjectsToPrefabAndConnect_Internal(gameObjects, targetPrefab);
}
public static Object GetPrefabParent(Object source)
{
return(PrefabUtility.GetCorrespondingObjectFromSource(source));
}
internal static void DisplayObjectContextMenu(Rect position, Object[] context, int contextUserData)
{
// Don't show context menu if we're inside the side-by-side diff comparison.
if (EditorGUIUtility.comparisonViewMode != EditorGUIUtility.ComparisonViewMode.None)
{
return;
}
Vector2 temp = GUIUtility.GUIToScreenPoint(new Vector2(position.x, position.y));
position.x = temp.x;
position.y = temp.y;
GenericMenu pm = new GenericMenu();
if (context != null && context.Length == 1 && context[0] is Component)
{
Object targetObject = context[0];
Component targetComponent = (Component)targetObject;
// Do nothing if component is not on a prefab instance.
if (PrefabUtility.GetCorrespondingConnectedObjectFromSource(targetComponent.gameObject) == null)
{
}
// Handle added component.
else if (PrefabUtility.GetCorrespondingObjectFromSource(targetObject) == null && targetComponent != null)
{
GameObject instanceGo = targetComponent.gameObject;
PrefabUtility.HandleApplyRevertMenuItems(
"Added Component",
instanceGo,
(menuItemContent, sourceGo) =>
{
TargetChoiceHandler.ObjectInstanceAndSourcePathInfo info = new TargetChoiceHandler.ObjectInstanceAndSourcePathInfo();
info.instanceObject = targetComponent;
info.assetPath = AssetDatabase.GetAssetPath(sourceGo);
GameObject rootObject = PrefabUtility.GetRootGameObject(sourceGo);
if (!PrefabUtility.IsPartOfPrefabThatCanBeAppliedTo(rootObject) || EditorUtility.IsPersistent(instanceGo))
{
pm.AddDisabledItem(menuItemContent);
}
else
{
pm.AddItem(menuItemContent, false, TargetChoiceHandler.ApplyPrefabAddedComponent, info);
}
},
(menuItemContent) =>
{
pm.AddItem(menuItemContent, false, TargetChoiceHandler.RevertPrefabAddedComponent, targetComponent);
}
);
}
else
{
bool hasPrefabOverride = false;
using (var so = new SerializedObject(targetObject))
{
SerializedProperty property = so.GetIterator();
while (property.Next(property.hasChildren))
{
if (property.isInstantiatedPrefab && property.prefabOverride && !property.isDefaultOverride)
{
hasPrefabOverride = true;
break;
}
}
}
// Handle modified component.
if (hasPrefabOverride)
{
bool defaultOverrides =
PrefabUtility.IsObjectOverrideAllDefaultOverridesComparedToAnySource(targetObject);
PrefabUtility.HandleApplyRevertMenuItems(
"Modified Component",
targetObject,
(menuItemContent, sourceObject) =>
{
TargetChoiceHandler.ObjectInstanceAndSourcePathInfo info = new TargetChoiceHandler.ObjectInstanceAndSourcePathInfo();
info.instanceObject = targetObject;
info.assetPath = AssetDatabase.GetAssetPath(sourceObject);
GameObject rootObject = PrefabUtility.GetRootGameObject(sourceObject);
if (!PrefabUtility.IsPartOfPrefabThatCanBeAppliedTo(rootObject) || EditorUtility.IsPersistent(targetObject))
{
pm.AddDisabledItem(menuItemContent);
}
else
{
pm.AddItem(menuItemContent, false, TargetChoiceHandler.ApplyPrefabObjectOverride, info);
}
},
(menuItemContent) =>
{
pm.AddItem(menuItemContent, false, TargetChoiceHandler.RevertPrefabObjectOverride, targetObject);
},
defaultOverrides
);
}
}
}
pm.ObjectContextDropDown(position, context, contextUserData);
ResetMouseDown();
}
bool ApplyAll()
{
// Collect Prefab Asset paths and also check if there's more than one of the same.
HashSet <string> prefabAssetPaths = new HashSet <string>();
bool multipleOfSame = false;
for (int i = 0; i < m_SelectedGameObjects.Length; i++)
{
string prefabAssetPath = PrefabUtility.GetPrefabAssetPathOfNearestInstanceRoot(m_SelectedGameObjects[i]);
if (prefabAssetPaths.Contains(prefabAssetPath))
{
multipleOfSame = true;
}
else
{
prefabAssetPaths.Add(prefabAssetPath);
}
}
// If more than one instance of the same Prefab Asset, show dialog to user.
if (multipleOfSame && !EditorUtility.DisplayDialog(
L10n.Tr("Multiple instances of same Prefab Asset"),
L10n.Tr("Multiple instances of the same Prefab Asset were detected. Potentially conflicting overrides will be applied sequentially and will overwrite each other."),
L10n.Tr("OK"),
L10n.Tr("Cancel")))
{
return(false);
}
// Make sure assets are checked out in version control.
if (!PrefabUtility.PromptAndCheckoutPrefabIfNeeded(prefabAssetPaths.ToArray(), PrefabUtility.SaveVerb.Apply))
{
return(false);
}
var undoStructs = new List <ApplyAllUndo>();
var actionName = "ApplyAll";
for (var i = 0; i < m_SelectedGameObjects.Length; i++)
{
var us = new ApplyAllUndo();
us.correspondingSourceObject = (GameObject)PrefabUtility.GetCorrespondingObjectFromSource(m_SelectedGameObjects[i]);
Undo.RegisterFullObjectHierarchyUndo(us.correspondingSourceObject, actionName); // handles changes to existing objects and object what will be deleted but not objects that are created
GameObject prefabInstanceRoot = PrefabUtility.GetOutermostPrefabInstanceRoot(m_SelectedGameObjects[i]);
Undo.RegisterFullObjectHierarchyUndo(prefabInstanceRoot, actionName);
us.prefabHierarchy = new HashSet <int>();
PrefabUtility.GetObjectListFromHierarchy(us.prefabHierarchy, us.correspondingSourceObject);
undoStructs.Add(us);
}
// Apply sequentially.
AssetDatabase.StartAssetEditing();
try
{
foreach (var t in m_SelectedGameObjects)
{
PrefabUtility.ApplyPrefabInstance(t, InteractionMode.UserAction);
}
}
finally
{
AssetDatabase.StopAssetEditing();
}
foreach (var t in undoStructs)
{
PrefabUtility.RegisterNewObjects(t.correspondingSourceObject, t.prefabHierarchy, actionName);
}
EditorUtility.ForceRebuildInspectors();
return(true);
}
