private WUndoCommand CreateUndoActionForGizmo(bool isDone)
{
WUndoCommand undoAction = null;
var actors = EditorSelection.SelectedObjects;
switch (TransformGizmo.Mode)
{
case FTransformMode.Translation:
undoAction = new WTranslateActorAction(actors, this, TransformGizmo.DeltaTranslation, TransformGizmo.TransformSpace, isDone);
break;
case FTransformMode.Rotation:
undoAction = new WRotateActorAction(actors, this, TransformGizmo.DeltaRotation, TransformGizmo.TransformSpace, isDone);
break;
case FTransformMode.Scale:
undoAction = new WScaleActorAction(actors, this, TransformGizmo.DeltaScale, isDone);
Console.WriteLine(TransformGizmo.DeltaScale);
break;
default:
break;
}
return(undoAction);
}
private WUndoCommand CreateUndoActionForGizmo(bool isDone)
{
WUndoCommand undoAction = null;
var props = EditorSelection.SelectedObjects;
switch (TransformGizmo.Mode)
{
case FTransformMode.Translation:
undoAction = new WTranslateCameraPropertyAction(props, this, TransformGizmo.DeltaTranslation, TransformGizmo.TransformSpace, isDone);
break;
default:
break;
}
return(undoAction);
}
public void BroadcastUndoEventGenerated(WUndoCommand command)
{
GenerateUndoEvent?.Invoke(this, new GenerateUndoEventArgs(command));
}
private void UpdateSelectionGizmo(WSceneView view)
{
if (!TransformGizmo.Enabled && EditorSelection.SelectedObjects.Count > 0)
{
// Show the Transform Gizmo.
TransformGizmo.Enabled = true;
UpdateGizmoTransform();
// m_transformGizmo.SetPosition(m_selectionList[0].Transform.Position);
// m_transformGizmo.SetLocalRotation(m_selectionList[0].Transform.Rotation);
}
else if (TransformGizmo.Enabled && EditorSelection.SelectedObjects.Count == 0)
{
// Hide the Transform Gizmo.
TransformGizmo.Enabled = false;
}
if (!TransformGizmo.Enabled)
{
return;
}
if (WInput.GetKeyDown(Key.Q) && !WInput.GetMouseButton(1))
{
TransformGizmo.SetMode(FTransformMode.None);
}
if (WInput.GetKeyDown(Key.W) && !WInput.GetMouseButton(1))
{
TransformGizmo.SetMode(FTransformMode.Translation);
}
if (WInput.GetKeyDown(Key.E) && !WInput.GetMouseButton(1))
{
TransformGizmo.SetMode(FTransformMode.Rotation);
}
if (WInput.GetKeyDown(Key.R) && !WInput.GetMouseButton(1))
{
TransformGizmo.SetMode(FTransformMode.Scale);
}
if (WInput.GetKeyDown(Key.OemOpenBrackets))
{
TransformGizmo.DecrementSize();
}
if (WInput.GetKeyDown(Key.OemCloseBrackets))
{
TransformGizmo.IncrementSize();
}
if (WInput.GetKeyDown(Key.OemTilde))
{
if (TransformGizmo.TransformSpace == FTransformSpace.World)
{
TransformGizmo.SetTransformSpace(FTransformSpace.Local);
}
else
{
TransformGizmo.SetTransformSpace(FTransformSpace.World);
}
UpdateGizmoTransform();
}
if (WInput.GetMouseButtonDown(0))
{
FRay mouseRay = view.ProjectScreenToWorld(WInput.MousePosition);
if (TransformGizmo.CheckSelectedAxes(mouseRay))
{
TransformGizmo.StartTransform();
}
}
if (WInput.GetMouseButtonUp(0))
{
if (TransformGizmo.IsTransforming)
{
// When we end let go of the gizmo, we want to make one last action which specifies that it is done,
// so that the next gizmo move doesn't merge with the previous.
WUndoCommand undoAction = CreateUndoActionForGizmo(true);
if (undoAction != null)
{
BroadcastUndoEventGenerated(undoAction);
}
TransformGizmo.EndTransform();
}
}
if (TransformGizmo.IsTransforming)
{
FRay mouseRay = view.ProjectScreenToWorld(WInput.MousePosition);
if (TransformGizmo.TransformFromInput(mouseRay, view))
{
WUndoCommand undoAction = CreateUndoActionForGizmo(false);
if (undoAction != null)
{
BroadcastUndoEventGenerated(undoAction);
}
}
}
TransformGizmo.UpdateForSceneView(view);
}
public GenerateUndoEventArgs(WUndoCommand com)
{
Command = com;
}
