/// <inheritdoc />
public override DragDropEffect OnDragDrop(ref Vector2 location, DragData data)
{
var result = base.OnDragDrop(ref location, data);
if (result != DragDropEffect.None)
{
return(result);
}
var args = new DragDropEventArgs
{
SurfaceLocation = _rootControl.PointFromParent(ref location)
};
// Drag assets
if (_dragAssets.HasValidDrag)
{
result = _dragAssets.Effect;
// Process items
HandleDragDropAssets(_dragAssets.Objects, args);
}
// Drag parameters
else if (_dragParameters.HasValidDrag)
{
result = _dragParameters.Effect;
// Process items
HandleDragDropParameters(_dragParameters.Objects, args);
}
DragHandlers.OnDragDrop(args);
return(result);
}
/// <inheritdoc />
public override DragDropEffect OnDragDrop(ref Float2 location, DragData data)
{
var result = base.OnDragDrop(ref location, data);
if (result != DragDropEffect.None)
{
return(result);
}
if (_dragHandlers.HasValidDrag)
{
if (_dragScripts.HasValidDrag)
{
result = _dragScripts.Effect;
AddScripts(_dragScripts.Objects);
}
else if (_dragAssets.HasValidDrag)
{
result = _dragAssets.Effect;
AddScripts(_dragAssets.Objects);
}
_dragHandlers.OnDragDrop(null);
}
return(result);
}
/// <inheritdoc />
public override DragDropEffect OnDragDrop(ref Vector2 location, DragData data)
{
ClearDragEffects();
var result = base.OnDragDrop(ref location, data);
if (result != DragDropEffect.None)
{
return(result);
}
// Check if drag sth
Vector3 hitLocation = ViewPosition;
SceneGraphNode hit = null;
if (DragHandlers.HasValidDrag())
{
GetHitLocation(ref location, out hit, out hitLocation);
}
// Drag assets
if (_dragAssets.HasValidDrag)
{
result = _dragAssets.Effect;
// Process items
for (int i = 0; i < _dragAssets.Objects.Count; i++)
{
var item = _dragAssets.Objects[i];
Spawn(item, hit, ref hitLocation);
}
}
// Drag actor type
else if (_dragActorType.HasValidDrag)
{
result = _dragActorType.Effect;
// Process items
for (int i = 0; i < _dragActorType.Objects.Count; i++)
{
var item = _dragActorType.Objects[i];
Spawn(item, hit, ref hitLocation);
}
}
DragHandlers.OnDragDrop(new DragDropEventArgs()
{
Hit = hit, HitLocation = hitLocation
});
return(result);
}
/// <inheritdoc />
public override DragDropEffect OnDragDrop(ref Vector2 location, DragData data)
{
var result = base.OnDragDrop(ref location, data);
if (result == DragDropEffect.None)
{
// Drag assets
if (_dragAssets != null && _dragAssets.HasValidDrag)
{
for (int i = 0; i < _dragAssets.Objects.Count; i++)
{
var item = _dragAssets.Objects[i];
var actor = item.OnEditorDrop(this);
actor.Name = item.ShortName;
_window.Spawn(actor);
}
result = DragDropEffect.Move;
}
// Drag actor type
else if (_dragActorType != null && _dragActorType.HasValidDrag)
{
for (int i = 0; i < _dragActorType.Objects.Count; i++)
{
var item = _dragActorType.Objects[i];
var actor = item.CreateInstance() as Actor;
if (actor == null)
{
Editor.LogWarning("Failed to spawn actor of type " + item.TypeName);
continue;
}
actor.Name = item.Name;
_window.Spawn(actor);
}
result = DragDropEffect.Move;
}
_dragHandlers.OnDragDrop(null);
}
return(result);
}
/// <inheritdoc />
protected override DragDropEffect OnDragDropHeader(DragData data)
{
var result = DragDropEffect.None;
Actor myActor = Actor;
Actor newParent;
int newOrder = -1;
// Check if has no actor (only for Root Actor)
if (myActor == null)
{
// Append to the last scene
var scenes = Level.Scenes;
if (scenes == null || scenes.Length == 0)
{
throw new InvalidOperationException("No scene loaded.");
}
newParent = scenes[scenes.Length - 1];
}
else
{
newParent = myActor;
// Use drag positioning to change target parent and index
if (DragOverMode == DragItemPositioning.Above)
{
if (myActor.HasParent)
{
newParent = myActor.Parent;
newOrder = myActor.OrderInParent;
}
}
else if (DragOverMode == DragItemPositioning.Below)
{
if (myActor.HasParent)
{
newParent = myActor.Parent;
newOrder = myActor.OrderInParent + 1;
}
}
}
if (newParent == null)
{
throw new InvalidOperationException("Missing parent actor.");
}
// Drag actors
if (_dragActors != null && _dragActors.HasValidDrag)
{
bool worldPositionLock = Root.GetKey(KeyboardKeys.Control) == false;
var singleObject = _dragActors.Objects.Count == 1;
if (singleObject)
{
var targetActor = _dragActors.Objects[0].Actor;
var customAction = targetActor.HasPrefabLink ? new ReparentAction(targetActor) : null;
using (new UndoBlock(ActorNode.Root.Undo, targetActor, "Change actor parent", customAction))
{
targetActor.SetParent(newParent, worldPositionLock);
targetActor.OrderInParent = newOrder;
}
}
else
{
var targetActors = _dragActors.Objects.ConvertAll(x => x.Actor);
var customAction = targetActors.Any(x => x.HasPrefabLink) ? new ReparentAction(targetActors) : null;
using (new UndoMultiBlock(ActorNode.Root.Undo, targetActors, "Change actors parent", customAction))
{
for (int i = 0; i < targetActors.Count; i++)
{
var targetActor = targetActors[i];
targetActor.SetParent(newParent, worldPositionLock);
targetActor.OrderInParent = newOrder;
}
}
}
result = DragDropEffect.Move;
}
// Drag assets
else if (_dragAssets != null && _dragAssets.HasValidDrag)
{
for (int i = 0; i < _dragAssets.Objects.Count; i++)
{
var assetItem = _dragAssets.Objects[i];
if (assetItem.IsOfType <SkinnedModel>())
{
// Create actor
var model = FlaxEngine.Content.LoadAsync <SkinnedModel>(assetItem.ID);
var actor = new AnimatedModel();
actor.StaticFlags = Actor.StaticFlags;
actor.Name = assetItem.ShortName;
actor.SkinnedModel = model;
actor.Transform = Actor.Transform;
// Spawn
ActorNode.Root.Spawn(actor, Actor);
}
else if (assetItem.IsOfType <Model>())
{
// Create actor
var model = FlaxEngine.Content.LoadAsync <Model>(assetItem.ID);
var actor = new StaticModel();
actor.StaticFlags = Actor.StaticFlags;
actor.Name = assetItem.ShortName;
actor.Model = model;
actor.Transform = Actor.Transform;
// Spawn
ActorNode.Root.Spawn(actor, Actor);
}
else if (assetItem.IsOfType <CollisionData>())
{
// Create actor
var actor = new MeshCollider();
actor.StaticFlags = Actor.StaticFlags;
actor.Name = assetItem.ShortName;
actor.CollisionData = FlaxEngine.Content.LoadAsync <CollisionData>(assetItem.ID);
actor.Transform = Actor.Transform;
// Spawn
ActorNode.Root.Spawn(actor, Actor);
}
else if (assetItem.IsOfType <ParticleSystem>())
{
// Create actor
var actor = new ParticleEffect();
actor.StaticFlags = Actor.StaticFlags;
actor.Name = assetItem.ShortName;
actor.ParticleSystem = FlaxEngine.Content.LoadAsync <ParticleSystem>(assetItem.ID);
actor.Transform = Actor.Transform;
// Spawn
ActorNode.Root.Spawn(actor, Actor);
}
else if (assetItem.IsOfType <SceneAnimation>())
{
// Create actor
var actor = new SceneAnimationPlayer();
actor.StaticFlags = Actor.StaticFlags;
actor.Name = assetItem.ShortName;
actor.Animation = FlaxEngine.Content.LoadAsync <SceneAnimation>(assetItem.ID);
actor.Transform = Actor.Transform;
// Spawn
ActorNode.Root.Spawn(actor, Actor);
}
else if (assetItem.IsOfType <AudioClip>())
{
// Create actor
var actor = new AudioSource();
actor.StaticFlags = Actor.StaticFlags;
actor.Name = assetItem.ShortName;
actor.Clip = FlaxEngine.Content.LoadAsync <AudioClip>(assetItem.ID);
actor.Transform = Actor.Transform;
// Spawn
ActorNode.Root.Spawn(actor, Actor);
break;
}
else if (assetItem.IsOfType <Prefab>())
{
// Create prefab instance
var prefab = FlaxEngine.Content.LoadAsync <Prefab>(assetItem.ID);
var actor = PrefabManager.SpawnPrefab(prefab, null);
actor.StaticFlags = Actor.StaticFlags;
actor.Name = assetItem.ShortName;
actor.Transform = Actor.Transform;
// Spawn
ActorNode.Root.Spawn(actor, Actor);
}
else if (assetItem is VisualScriptItem visualScriptItem && new ScriptType(typeof(Actor)).IsAssignableFrom(visualScriptItem.ScriptType) && visualScriptItem.ScriptType.CanCreateInstance)
{
// Create actor
var actor = (Actor)visualScriptItem.ScriptType.CreateInstance();
actor.StaticFlags = Actor.StaticFlags;
actor.Name = assetItem.ShortName;
actor.Transform = Actor.Transform;
// Spawn
ActorNode.Root.Spawn(actor, Actor);
}
}
result = DragDropEffect.Move;
}
// Drag actor type
else if (_dragActorType != null && _dragActorType.HasValidDrag)
{
for (int i = 0; i < _dragActorType.Objects.Count; i++)
{
var item = _dragActorType.Objects[i];
// Create actor
var actor = item.CreateInstance() as Actor;
if (actor == null)
{
Editor.LogWarning("Failed to spawn actor of type " + item.TypeName);
continue;
}
actor.StaticFlags = Actor.StaticFlags;
actor.Name = item.Name;
actor.Transform = Actor.Transform;
// Spawn
ActorNode.Root.Spawn(actor, Actor);
}
result = DragDropEffect.Move;
}
// Clear cache
_dragHandlers.OnDragDrop(null);
// Check if scene has been modified
if (result != DragDropEffect.None)
{
var node = SceneGraphFactory.FindNode(newParent.ID) as ActorNode;
node?.TreeNode.Expand();
}
return(result);
}