public static bool TraverseRootGameObjects(GameObject[] rootObjects, bool skipCleanPrefabInstances, bool forceAllPrefabsTraverse, GameObjectTraverseCallback callback, SceneRootTraverseCallback rootTraverseCallback = null)
{
var rootObjectsCount = rootObjects.Length;
var objectTraverseInfo = new ObjectTraverseInfo(skipCleanPrefabInstances, forceAllPrefabsTraverse, rootObjectsCount);
for (var i = 0; i < rootObjectsCount; i++)
{
var rootObject = rootObjects[i];
if (rootTraverseCallback != null)
{
bool canceled;
rootTraverseCallback.Invoke(i, rootObjectsCount, out canceled);
if (canceled)
{
return(false);
}
}
objectTraverseInfo.current = rootObject;
objectTraverseInfo.rootIndex = i;
if (!TraverseGameObjectTree(objectTraverseInfo, callback))
{
return(false);
}
}
return(true);
}
public static bool TraversePrefabGameObjects(GameObject prefabAsset, bool enablePrefabChecks, GameObjectTraverseCallback callback)
{
var objectTraverseInfo = new ObjectTraverseInfo(enablePrefabChecks, 1)
{
current = prefabAsset,
inPrefabInstance = false,
dirtyComponents = null,
rootIndex = 0,
};
return(TraverseGameObjectTree(objectTraverseInfo, callback));
}
public static bool TraverseSceneGameObjects(Scene scene, bool skipCleanPrefabInstances, GameObjectTraverseCallback callback)
{
var rootObjects = scene.GetRootGameObjects();
var rootObjectsCount = rootObjects.Length;
var objectTraverseInfo = new ObjectTraverseInfo(skipCleanPrefabInstances, rootObjectsCount);
for (var i = 0; i < rootObjectsCount; i++)
{
var rootObject = rootObjects[i];
objectTraverseInfo.current = rootObject;
objectTraverseInfo.rootIndex = i;
if (!TraverseGameObjectTree(objectTraverseInfo, callback))
{
return(false);
}
}
return(true);
}
public static void TraverseGameObjectComponents(ObjectTraverseInfo traverseInfo, ComponentTraverseCallback callback)
{
var components = traverseInfo.current.GetComponents <Component>();
var checkingPrefabInstanceObject = false;
var checkingAddedToInstanceObject = false;
if (traverseInfo.SkipCleanPrefabInstances)
{
#if UNITY_2018_3_OR_NEWER
checkingPrefabInstanceObject = traverseInfo.inPrefabInstance && !traverseInfo.inMissingPrefabInstance;
if (checkingPrefabInstanceObject)
{
checkingAddedToInstanceObject = PrefabUtility.IsAddedGameObjectOverride(traverseInfo.current);
}
#else
checkingPrefabInstanceObject = CSPrefabTools.IsInstance(traverseInfo.current);
#endif
}
var hasDirtyComponents = traverseInfo.dirtyComponents != null;
var visibleIndex = -1;
for (var i = 0; i < components.Length; i++)
{
var component = components[i];
if (component == null || component.hideFlags == HideFlags.None || component.hideFlags == HideFlags.HideInHierarchy)
{
visibleIndex++;
}
if (component == null)
{
// to register missing script
callback(traverseInfo, null, visibleIndex);
continue;
}
// transforms are checked at the GameObject level
if (component is Transform)
{
continue;
}
if (!checkingPrefabInstanceObject)
{
Stats.componentsTraversed++;
callback(traverseInfo, component, visibleIndex);
}
else
{
var hasOverridenProperties = checkingAddedToInstanceObject;
if (!hasOverridenProperties && hasDirtyComponents)
{
if (Array.IndexOf(traverseInfo.dirtyComponents, component.GetInstanceID()) != -1)
{
hasOverridenProperties = true;
}
}
if (hasOverridenProperties)
{
Stats.componentsTraversed++;
callback(traverseInfo, component, visibleIndex);
}
}
}
}
public static bool TraverseGameObjectTree(ObjectTraverseInfo traverseInfo, GameObjectTraverseCallback callback)
{
Stats.gameObjectsTraversed++;
var prefabInstanceRoot = false;
if (!traverseInfo.inPrefabInstance)
{
//Debug.Log("IsPartOfPrefabInstance " + PrefabUtility.IsPartOfPrefabInstance(componentOrGameObject));
//Debug.Log(traverseInfo.current.name);
traverseInfo.inPrefabInstance = CSPrefabTools.IsInstance(traverseInfo.current);
if (traverseInfo.inPrefabInstance)
{
if (!CSPrefabTools.IsMissingPrefabInstance(traverseInfo.current))
{
if (traverseInfo.SkipCleanPrefabInstances)
{
if (CSPrefabTools.IsWholeInstanceHasAnyOverrides(traverseInfo.current))
{
CSPrefabTools.GetOverridenObjectsFromWholePrefabInstance(traverseInfo.current, out traverseInfo.dirtyComponents);
}
}
}
else
{
traverseInfo.inMissingPrefabInstance = true;
}
prefabInstanceRoot = true;
}
}
if (!callback.Invoke(traverseInfo))
{
return(false);
}
if (traverseInfo.skipCurrentTree)
{
if (prefabInstanceRoot)
{
traverseInfo.dirtyComponents = null;
traverseInfo.inPrefabInstance = false;
traverseInfo.inMissingPrefabInstance = false;
traverseInfo.skipCurrentTree = false;
}
return(true);
}
var transform = traverseInfo.current.transform;
var childrenCount = transform.childCount;
for (var i = 0; i < childrenCount; i++)
{
var child = transform.GetChild(i);
traverseInfo.current = child.gameObject;
if (!TraverseGameObjectTree(traverseInfo, callback))
{
return(false);
}
}
if (prefabInstanceRoot)
{
traverseInfo.dirtyComponents = null;
traverseInfo.inPrefabInstance = false;
traverseInfo.inMissingPrefabInstance = false;
traverseInfo.skipCurrentTree = false;
}
return(true);
}