public static bool SetOverrideLightingSettings(Scene scene)
{
return(SetOverrideLightingSettingsInternal(scene.handle));
}
private DragAndDropVisualMode DoDragScenes(GameObjectTreeViewItem parentItem, GameObjectTreeViewItem targetItem, bool perform, DropPosition dropPos)
{
// We allow dragging SceneAssets on any game object in the Hierarchy to make it easy to drag in a Scene from
// the project browser. If dragging on a game object (not a sceneheader) we place the dropped scene
// below the game object's scene
// Case: 1
List <Scene> scenes = DragAndDrop.GetGenericData(kSceneHeaderDragString) as List <Scene>;
bool reorderExistingScenes = (scenes != null);
// Case: 2
bool insertNewScenes = false;
if (!reorderExistingScenes && DragAndDrop.objectReferences.Length > 0)
{
int sceneAssetCount = 0;
foreach (var dragged in DragAndDrop.objectReferences)
{
if (dragged is SceneAsset)
{
sceneAssetCount++;
}
}
insertNewScenes = (sceneAssetCount == DragAndDrop.objectReferences.Length);
}
// Early out if not case 1 or 2
if (!reorderExistingScenes && !insertNewScenes)
{
return(DragAndDropVisualMode.None);
}
if (perform)
{
List <Scene> scenesToBeMoved = null;
if (insertNewScenes)
{
List <Scene> insertedScenes = new List <Scene>();
foreach (var sceneAsset in DragAndDrop.objectReferences)
{
string scenePath = AssetDatabase.GetAssetPath(sceneAsset);
Scene scene = SceneManager.GetSceneByPath(scenePath);
if (SceneHierarchy.IsSceneHeaderInHierarchyWindow(scene))
{
m_TreeView.Frame(scene.handle, true, true);
}
else
{
bool unloaded = Event.current.alt;
if (unloaded)
{
scene = EditorSceneManager.OpenScene(scenePath, OpenSceneMode.AdditiveWithoutLoading);
}
else
{
scene = EditorSceneManager.OpenScene(scenePath, OpenSceneMode.Additive);
}
if (SceneHierarchy.IsSceneHeaderInHierarchyWindow(scene))
{
insertedScenes.Add(scene);
}
}
}
if (targetItem != null)
{
scenesToBeMoved = insertedScenes;
}
// Select added scenes and frame last scene
if (insertedScenes.Count > 0)
{
Selection.instanceIDs = insertedScenes.Select(x => x.handle).ToArray();
m_TreeView.Frame(insertedScenes.Last().handle, true, false);
}
}
else // reorderExistingScenes
{
scenesToBeMoved = scenes;
}
if (scenesToBeMoved != null)
{
if (targetItem != null)
{
Scene dstScene = targetItem.scene;
if (SceneHierarchy.IsSceneHeaderInHierarchyWindow(dstScene))
{
if (!targetItem.isSceneHeader || dropPos == DropPosition.Upon)
{
dropPos = DropPosition.Below;
}
if (dropPos == DropPosition.Above)
{
for (int i = 0; i < scenesToBeMoved.Count; i++)
{
EditorSceneManager.MoveSceneBefore(scenesToBeMoved[i], dstScene);
}
}
else if (dropPos == DropPosition.Below)
{
for (int i = scenesToBeMoved.Count - 1; i >= 0; i--)
{
EditorSceneManager.MoveSceneAfter(scenesToBeMoved[i], dstScene);
}
}
}
}
else
{
Scene dstScene = SceneManager.GetSceneAt(SceneManager.sceneCount - 1);
for (int i = scenesToBeMoved.Count - 1; i >= 0; i--)
{
EditorSceneManager.MoveSceneAfter(scenesToBeMoved[i], dstScene);
}
}
}
}
return(DragAndDropVisualMode.Move);
}
public void OnSceneDrag(SceneView sceneView)
{
GameObject go = target as GameObject;
if (!PrefabUtility.IsPartOfPrefabAsset(go))
{
return;
}
var prefabAssetRoot = go.transform.root.gameObject;
Event evt = Event.current;
switch (evt.type)
{
case EventType.DragUpdated:
Scene destinationScene = sceneView.customScene.IsValid() ? sceneView.customScene : SceneManager.GetActiveScene();
if (dragObject == null)
{
if (!EditorApplication.isPlaying || EditorSceneManager.IsPreviewScene(destinationScene))
{
dragObject = (GameObject)PrefabUtility.InstantiatePrefab(prefabAssetRoot, destinationScene);
dragObject.name = go.name;
}
else
{
// Instatiate as regular GameObject in Play Mode so runtime logic
// won't run into restrictions on restructuring Prefab instances.
dragObject = Instantiate(prefabAssetRoot);
SceneManager.MoveGameObjectToScene(dragObject, destinationScene);
}
dragObject.hideFlags = HideFlags.HideInHierarchy;
}
if (HandleUtility.ignoreRaySnapObjects == null)
{
HandleUtility.ignoreRaySnapObjects = dragObject.GetComponentsInChildren <Transform>();
}
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
Vector3 point, normal;
if (HandleUtility.PlaceObject(evt.mousePosition, out point, out normal))
{
float offset = 0;
if (Tools.pivotMode == PivotMode.Center)
{
float geomOffset = HandleUtility.CalcRayPlaceOffset(HandleUtility.ignoreRaySnapObjects, normal);
if (geomOffset != Mathf.Infinity)
{
offset = Vector3.Dot(dragObject.transform.position, normal) - geomOffset;
}
}
dragObject.transform.position = Matrix4x4.identity.MultiplyPoint(point + (normal * offset));
}
else
{
dragObject.transform.position = HandleUtility.GUIPointToWorldRay(evt.mousePosition).GetPoint(10);
}
// Use prefabs original z position when in 2D mode
if (sceneView.in2DMode)
{
Vector3 dragPosition = dragObject.transform.position;
dragPosition.z = prefabAssetRoot.transform.position.z;
dragObject.transform.position = dragPosition;
}
evt.Use();
break;
case EventType.DragPerform:
var stage = StageNavigationManager.instance.currentStage;
if (stage is PrefabStage)
{
var prefabAssetThatIsAddedTo = AssetDatabase.LoadMainAssetAtPath(stage.assetPath);
if (PrefabUtility.CheckIfAddingPrefabWouldResultInCyclicNesting(prefabAssetThatIsAddedTo, go))
{
PrefabUtility.ShowCyclicNestingWarningDialog();
return;
}
}
Transform parent = sceneView.customParentForDraggedObjects;
string uniqueName = GameObjectUtility.GetUniqueNameForSibling(parent, dragObject.name);
if (parent != null)
{
dragObject.transform.parent = parent;
}
dragObject.hideFlags = 0;
Undo.RegisterCreatedObjectUndo(dragObject, "Place " + dragObject.name);
EditorUtility.SetDirty(dragObject);
DragAndDrop.AcceptDrag();
Selection.activeObject = dragObject;
HandleUtility.ignoreRaySnapObjects = null;
if (SceneView.mouseOverWindow != null)
{
SceneView.mouseOverWindow.Focus();
}
if (!Application.IsPlaying(dragObject))
{
dragObject.name = uniqueName;
}
dragObject = null;
evt.Use();
break;
case EventType.DragExited:
if (dragObject)
{
UnityObject.DestroyImmediate(dragObject, false);
HandleUtility.ignoreRaySnapObjects = null;
dragObject = null;
evt.Use();
}
break;
}
}
public override DragAndDropVisualMode DoDrag(TreeViewItem parentItem, TreeViewItem targetItem, bool perform, DropPosition dropPos)
{
var hierarchyTargetItem = targetItem as GameObjectTreeViewItem;
// Allow client to handle drag
if (m_CustomDragHandling != null)
{
DragAndDropVisualMode dragResult = m_CustomDragHandling(parentItem as GameObjectTreeViewItem, hierarchyTargetItem, dropPos, perform);
if (dragResult != DragAndDropVisualMode.None)
{
return(dragResult);
}
}
// Scene dragging logic
DragAndDropVisualMode dragSceneResult = DoDragScenes(parentItem as GameObjectTreeViewItem, hierarchyTargetItem, perform, dropPos);
if (dragSceneResult != DragAndDropVisualMode.None)
{
return(dragSceneResult);
}
if (targetItem != null && !IsDropTargetUserModifiable(hierarchyTargetItem, dropPos))
{
return(DragAndDropVisualMode.Rejected);
}
var option = InternalEditorUtility.HierarchyDropMode.kHierarchyDragNormal;
var searchActive = !string.IsNullOrEmpty(dataSource.searchString);
if (searchActive)
{
option |= InternalEditorUtility.HierarchyDropMode.kHierarchySearchActive;
}
if (parentItem == null || targetItem == null)
{
// Here we are dragging outside any treeview items:
if (parentForDraggedObjectsOutsideItems != null)
{
// Use specific parent for DragAndDropForwarding
return(DragAndDropService.Drop(DragAndDropService.kHierarchyDropDstId, 0, option, parentForDraggedObjectsOutsideItems, perform));
}
else
{
// Simulate drag upon the last loaded scene in the hierarchy (adds as last root sibling of the last scene)
Scene lastScene = dataSource.GetLastScene();
if (!lastScene.IsValid())
{
return(DragAndDropVisualMode.Rejected);
}
option |= InternalEditorUtility.HierarchyDropMode.kHierarchyDropUpon;
return(DragAndDropService.Drop(DragAndDropService.kHierarchyDropDstId, lastScene.handle, option, null, perform));
}
}
// Here we are hovering over items
var draggingUpon = dropPos == TreeViewDragging.DropPosition.Upon;
if (searchActive && !draggingUpon)
{
return(DragAndDropVisualMode.None);
}
if (draggingUpon)
{
option |= InternalEditorUtility.HierarchyDropMode.kHierarchyDropUpon;
}
else
{
if (dropPos == TreeViewDragging.DropPosition.Above)
{
option |= InternalEditorUtility.HierarchyDropMode.kHierarchyDropAbove;
}
else
{
option |= InternalEditorUtility.HierarchyDropMode.kHierarchyDropBetween;
}
}
bool isDroppingBetweenParentAndFirstChild = parentItem != null && targetItem != parentItem && dropPos == DropPosition.Above && parentItem.children[0] == targetItem;
if (isDroppingBetweenParentAndFirstChild)
{
option |= InternalEditorUtility.HierarchyDropMode.kHierarchyDropAfterParent;
}
int gameObjectOrSceneInstanceID = GetDropTargetInstanceID(hierarchyTargetItem, dropPos);
if (gameObjectOrSceneInstanceID == 0)
{
return(DragAndDropVisualMode.Rejected);
}
if (perform && SubSceneGUI.IsUsingSubScenes() && !IsValidSubSceneDropTarget(gameObjectOrSceneInstanceID, dropPos, DragAndDrop.objectReferences))
{
return(DragAndDropVisualMode.Rejected);
}
return(DragAndDropService.Drop(DragAndDropService.kHierarchyDropDstId, gameObjectOrSceneInstanceID, option, null, perform));
}
