public static bool AddAnimationToGO(GameObject go, Sprite[] frames, ShowFileDialogDelegate saveFileDialog)
{
SpriteRenderer spriteRenderer = go.GetComponent <SpriteRenderer>();
if (spriteRenderer == null)
{
Debug.LogWarning(SpriteUtilityStrings.unableToFindSpriteRendererWarning.text);
spriteRenderer = (SpriteRenderer)ObjectFactory.AddComponent(go, typeof(SpriteRenderer));
if (spriteRenderer == null)
{
Debug.LogWarning(SpriteUtilityStrings.unableToAddSpriteRendererWarning.text);
return(false);
}
}
spriteRenderer.sprite = frames[0];
return(CreateAnimation(go, frames, saveFileDialog));
}
static bool CreateAnimation(GameObject gameObject, Object[] frames, ShowFileDialogDelegate saveFileDialog)
{
saveFileDialog = saveFileDialog ?? EditorUtility.SaveFilePanelInProject;
// Use same name compare as when we sort in the backend: See AssetDatabase.cpp: SortChildren
System.Array.Sort(frames, (a, b) => EditorUtility.NaturalCompare(a.name, b.name));
Animator animator = AnimationWindowUtility.EnsureActiveAnimationPlayer(gameObject)
? AnimationWindowUtility.GetClosestAnimatorInParents(gameObject.transform)
: null;
bool createSuccess = animator != null;
if (animator != null)
{
// Go forward with presenting user a save clip dialog
string message = string.Format(SpriteUtilityStrings.saveAnimDialogMessage.text, gameObject.name);
string newClipDirectory = ProjectWindowUtil.GetActiveFolderPath();
string newClipPath = saveFileDialog(SpriteUtilityStrings.saveAnimDialogTitle.text, SpriteUtilityStrings.saveAnimDialogName.text, "anim", message, newClipDirectory);
if (string.IsNullOrEmpty(newClipPath))
{
Undo.ClearUndo(animator);
Object.DestroyImmediate(animator);
return(false);
}
else
{
AnimationClip newClip = AnimationWindowUtility.CreateNewClipAtPath(newClipPath);
if (newClip != null)
{
AddSpriteAnimationToClip(newClip, frames);
createSuccess = AnimationWindowUtility.AddClipToAnimatorComponent(animator, newClip);
}
}
}
if (createSuccess == false)
{
Debug.LogError(SpriteUtilityStrings.failedToCreateAnimationError.text);
}
return(createSuccess);
}
public static void HandleSpriteSceneDrag(SceneView sceneView, IEvent evt, Object[] objectReferences, string[] paths, ShowFileDialogDelegate saveFileDialog)
{
if (evt.type != EventType.DragUpdated && evt.type != EventType.DragPerform && evt.type != EventType.DragExited)
{
return;
}
// Return if any of the dragged objects are null, e.g. a MonoBehaviour without a managed instance
if (objectReferences.Any(obj => obj == null))
{
return;
}
// Regardless of EditorBehaviorMode or SceneView mode we don't handle if texture is dragged over a GO with renderer
if (objectReferences.Length == 1 && objectReferences[0] as UnityTexture2D != null)
{
GameObject go = HandleUtility.PickGameObject(evt.mousePosition, true);
if (go != null)
{
var renderer = go.GetComponent <Renderer>();
if (renderer != null && !(renderer is SpriteRenderer))
{
// There is an object where the cursor is
// and we are dragging a texture. Most likely user wants to
// assign texture to the GO
// Case 730444: Proceed only if the go has a renderer
CleanUp(true);
return;
}
}
}
switch (evt.type)
{
case (EventType.DragUpdated):
DragType newDragType = evt.alt ? DragType.CreateMultiple : DragType.SpriteAnimation;
if (s_DragType != newDragType || s_SceneDragObjects == null) // Either this is first time we are here OR evt.alt changed during drag
{
if (!ExistingAssets(objectReferences) && PathsAreValidTextures(paths)) // External drag with images that are not in the project
{
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
s_SceneDragObjects = new List <Object>();
s_DragType = newDragType;
}
else // Internal drag with assets from project
{
List <Sprite> assets = GetSpriteFromPathsOrObjects(objectReferences, paths, evt.type);
if (assets.Count == 0)
{
return;
}
if (s_DragType != DragType.NotInitialized) // evt.alt changed during drag, so we need to cleanup and start over
{
CleanUp(true);
}
s_DragType = newDragType;
CreateSceneDragObjects(assets, sceneView);
IgnoreForRaycasts(s_SceneDragObjects);
}
}
PositionSceneDragObjects(s_SceneDragObjects, sceneView, evt.mousePosition);
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
evt.Use();
break;
case (EventType.DragPerform):
List <Sprite> sprites = GetSpriteFromPathsOrObjects(objectReferences, paths, evt.type);
if (sprites.Count > 0 && s_SceneDragObjects != null)
{
// Store current undoIndex to undo all operations done if any part of sprite creation fails
int undoIndex = Undo.GetCurrentGroup();
// For external drags, we have delayed all creation to DragPerform because only now we have the imported sprite assets
if (s_SceneDragObjects.Count == 0)
{
CreateSceneDragObjects(sprites, sceneView);
PositionSceneDragObjects(s_SceneDragObjects, sceneView, evt.mousePosition);
}
foreach (GameObject dragGO in s_SceneDragObjects)
{
dragGO.hideFlags = HideFlags.None;
// When in e.g Prefab Mode ensure to reparent dragged objects under the prefab root
Transform defaultObjectTransform = SceneView.GetDefaultParentObjectIfSet();
if (defaultObjectTransform != null)
{
dragGO.transform.SetParent(defaultObjectTransform, true);
}
else if (sceneView.customParentForDraggedObjects != null)
{
dragGO.transform.SetParent(sceneView.customParentForDraggedObjects, true);
}
Undo.RegisterCreatedObjectUndo(dragGO, "Create Sprite");
EditorUtility.SetDirty(dragGO);
}
bool createGameObject = true;
if (s_DragType == DragType.SpriteAnimation && sprites.Count > 1)
{
createGameObject = AddAnimationToGO((GameObject)s_SceneDragObjects[0], sprites.ToArray(), saveFileDialog);
}
if (createGameObject)
{
Selection.objects = s_SceneDragObjects.ToArray();
}
else
{
// Revert all Create Sprite actions if animation failed to be created or was cancelled
Undo.RevertAllDownToGroup(undoIndex);
}
CleanUp(!createGameObject);
evt.Use();
}
break;
case EventType.DragExited:
if (s_SceneDragObjects != null)
{
CleanUp(true);
evt.Use();
}
break;
}
}
