public async System.Threading.Tasks.Task OnDragDropViewport(ViewPort.ViewPortControl viewport, System.Windows.Forms.DragEventArgs e)
{
var dropActor = await EngineNS.GamePlay.Actor.GActor.NewMeshActorAsync(this.ResourceName);
dropActor.SpecialName = EngineNS.GamePlay.SceneGraph.GSceneGraph.GeneratorActorSpecialNameInEditor(this.ResourceName.PureName(), viewport.World);
EngineNS.CEngine.Instance.HitProxyManager.MapActor(dropActor);
var viewPortPos = viewport.PointFromScreen(new System.Windows.Point(e.X, e.Y));
var pos = viewport.GetPickRayLineCheckPosition((float)viewPortPos.X, (float)viewPortPos.Y);
dropActor.Placement.Location = pos;
var selActors = new List <ViewPort.ViewPortControl.SelectActorData>(viewport.GetSelectedActors());
var redoAction = new Action <object>((obj) =>
{
viewport.World.AddActor(dropActor);
viewport.World.DefaultScene.AddActor(dropActor);
viewport.SelectActor(dropActor);
});
redoAction.Invoke(null);
EditorCommon.UndoRedo.UndoRedoManager.Instance.AddCommand("WorldEditOperation", null, redoAction, null, (obj) =>
{
viewport.World.RemoveActor(dropActor.ActorId);
viewport.World.DefaultScene.RemoveActor(dropActor.ActorId);
dropActor.Selected = false;
viewport.SelectActors(selActors.ToArray());
}, "添加对象");
if (mPreviewActor != null)
{
await mPreviewActor.AwaitLoad();
}
viewport.World.RemoveActor(mPreviewActor.mPreviewActor.ActorId);
viewport.World.DefaultScene.RemoveActor(mPreviewActor.mPreviewActor.ActorId);
}
private void SelectionChanged()
{
if (TreeViewActors.SelectedItem == null)
{
return;
}
SelectActors.Clear();
if (TreeViewActors.TreeListItemsSource.Count <= 0)
{
return;
}
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.LeftShift))
{
for (int i = 0; i < TreeViewActors.Items.Count; i++)
{
var item = TreeViewActors.ItemContainerGenerator.ContainerFromItem(TreeViewActors.Items[i]) as TreeListView.TreeListItem;
if (item != null && item.IsSelected)
{
ActorData ad = item.Content as ActorData;
if (ad != null)
{
SelectActors.Add(i, new EditorCommon.ViewPort.ViewPortControl.SelectActorData()
{
Actor = ad.Actor,
StartTransMatrix = ad.Actor.Placement.WorldMatrix,
});
}
}
}
vp.SelectActors(SelectActors.Values.ToArray());
}
else
{
var item = TreeViewActors.ItemContainerGenerator.ContainerFromItem(TreeViewActors.Items[TreeViewActors.SelectedIndex]) as TreeListView.TreeListItem;
if (item != null)
{
ActorData ad = item.Content as ActorData;
if (ad != null)
{
SelectActors.Add(TreeViewActors.SelectedIndex, new EditorCommon.ViewPort.ViewPortControl.SelectActorData()
{
Actor = ad.Actor,
StartTransMatrix = ad.Actor.Placement.WorldMatrix,
});
vp.SelectActor(ad.Actor);
}
}
}
}