private static List <UnityEngine.Object> GetHiddenReferences(UnityEngine.Object asset, string refsPath = null, List <UnityEngine.Object> refs = null)
{
if (refsPath == null)
{
refsPath = AssetDatabase.GetAssetPath(asset);
}
if (refs == null)
{
refs = new List <UnityEngine.Object>();
}
var iterator = new SerializedObject(asset).GetIterator();
while (iterator.Next(true))
{
if (iterator.propertyType == SerializedPropertyType.ObjectReference)
{
var obj = iterator.objectReferenceValue;
if (obj != null && (obj.hideFlags & HideFlags.HideInHierarchy) != 0)
{
if (refs.IndexOf(obj) == -1 && AssetDatabase.GetAssetPath(obj) == refsPath)
{
refs.Add(obj);
GetHiddenReferences(obj, refsPath, refs);
}
}
}
}
return(refs);
}
public static UnityObject[] GetReferencesOfAsset(UnityObject[] assets, bool prefabOnly = true) {
if(assets == null || assets.Length == 0)
return new GameObject[0];
var result = new List<UnityObject>();
var allObjects = UnityObject.FindObjectsOfType(typeof(UnityObject)) as UnityObject[];
var allGameObjects = !prefabOnly ? GetChildrenWithInactive(allObjects) : new GameObject[0];
foreach(var target in assets) {
if(target == null)
continue;
if(prefabOnly) {
foreach(var obj in allObjects)
if(PrefabUtility.GetPrefabType(obj) == PrefabType.PrefabInstance && PrefabUtility.GetPrefabParent(obj) == target)
result.Add(obj);
continue;
}
foreach(var gameObject in allGameObjects) {
var added = false;
if(result.Contains(gameObject))
continue;
if(PrefabUtility.GetPrefabType(gameObject) == PrefabType.PrefabInstance && PrefabUtility.GetPrefabParent(gameObject) == target)
result.Add(gameObject);
foreach(var component in gameObject.GetComponents<Component>()) {
if(target == component) {
result.Add(gameObject);
break;
}
var property = new SerializedObject(component).GetIterator();
while(property != null && property.Next(true))
if(property.propertyType == SerializedPropertyType.ObjectReference && property.objectReferenceValue == target) {
result.Add(gameObject);
added = true;
break;
}
if(added)
break;
}
}
}
return result.ToArray();
}
/// <summary>
/// Adds the copy of a Component to a GameObject.
/// </summary>
/// <param name="go">The GameObject that will get the new Component</param>
/// <param name="original">The original component to copy</param>
/// <returns>The reference to the newly added Component copy</returns>
public static Component AddComponent(this GameObject go, Component original)
{
var c = go.AddComponent(original.GetType());
var originalSerialized = new SerializedObject(original).GetIterator();
var nso = new SerializedObject(c);
var newSerialized = nso.GetIterator();
if(originalSerialized.Next(true))
{
newSerialized.Next(true);
while(originalSerialized.NextVisible(true))
{
newSerialized.NextVisible(true);
newSerialized.SetValue(originalSerialized.GetValue());
}
}
nso.ApplyModifiedProperties();
return c;
}