public static bool CanMoveTransformToScene(Transform transform, Scene scene)
{
if (transform == null)
{
throw new ArgumentNullException("transform");
}
if (!scene.IsValid())
{
throw new ArgumentException("The scene is not valid", "scene");
}
RefreshSubSceneInfo();
var subSceneInfo = SubSceneGUI.GetSubSceneInfo(scene);
if (!subSceneInfo.isValid)
{
return(true); // scene is a root and is always valid to move into
}
if (transform == subSceneInfo.transform)
{
return(false); // cannot move a SubScene's transform parent into itself
}
return(CanSetNewParent(transform, subSceneInfo.transform));
}
static void CreateEmptyChild(MenuCommand menuCommand)
{
var parent = menuCommand.context as GameObject;
if (parent == null)
{
var activeGO = Selection.activeGameObject;
if (activeGO != null && !EditorUtility.IsPersistent(activeGO))
{
parent = activeGO;
}
}
// If selected GameObject is a Sub Scene header, place GameObject in active scene
// similar to what happens when other scene headers are selected.
SceneHierarchyHooks.SubSceneInfo info = SubSceneGUI.GetSubSceneInfo(parent);
if (info.isValid)
{
parent = null;
}
var go = ObjectFactory.CreateGameObject("GameObject");
Place(go, parent);
}
Transform GetTransformParentForDrop(int gameObjectOrSceneInstanceID, DropPosition dropPosition)
{
var obj = EditorUtility.InstanceIDToObject(gameObjectOrSceneInstanceID);
if (obj != null)
{
// Find transform parent from GameObject
var go = obj as GameObject;
if (go == null)
{
throw new InvalidOperationException("Unexpected UnityEngine.Object type in Hierarchy " + obj.GetType());
}
switch (dropPosition)
{
case DropPosition.Upon:
return(go.transform);
case DropPosition.Below:
case DropPosition.Above:
if (go.transform.parent == null)
{
var subSceneInfo = SubSceneGUI.GetSubSceneInfo(go.scene);
if (subSceneInfo.isValid)
{
return(subSceneInfo.transform);
}
}
return(go.transform.parent);
default:
throw new InvalidOperationException("Unhandled enum " + dropPosition);
}
}
else
{
// Find transform parent from Scene
var scene = EditorSceneManager.GetSceneByHandle(gameObjectOrSceneInstanceID);
var subSceneInfo = SubSceneGUI.GetSubSceneInfo(scene);
if (subSceneInfo.isValid)
{
return(subSceneInfo.transform);
}
return(null); // root scene has no transform parent
}
}
void CreateSceneHeaderItems()
{
m_StickySceneHeaderItems.Clear();
int numScenesInHierarchy = EditorSceneManager.sceneCount;
if (SubSceneGUI.IsUsingSubScenes())
{
for (int i = 0; i < numScenesInHierarchy; ++i)
{
Scene scene = SceneManager.GetSceneAt(i);
var subSceneInfo = SubSceneGUI.GetSubSceneInfo(scene);
if (subSceneInfo.isValid)
{
var item = new GameObjectTreeViewItem(0, 0, null, null);
var transform = subSceneInfo.transform;
GameObject gameObject = transform.gameObject;
int depth = SubSceneGUI.CalculateHierarchyDepthOfSubScene(subSceneInfo);
InitTreeViewItem(item, gameObject.GetInstanceID(), subSceneInfo.scene, false, 0, gameObject, false, depth);
m_StickySceneHeaderItems.Add(item);
}
else
{
var item = new GameObjectTreeViewItem(0, 0, null, null);
InitTreeViewItem(item, scene.handle, scene, true, 0, null, false, 0);
m_StickySceneHeaderItems.Add(item);
}
}
}
else
{
for (int i = 0; i < numScenesInHierarchy; ++i)
{
Scene scene = SceneManager.GetSceneAt(i);
var item = new GameObjectTreeViewItem(0, 0, null, null);
InitTreeViewItem(item, scene.handle, scene, true, 0, null, false, 0);
m_StickySceneHeaderItems.Add(item);
}
}
}