public void Update(EditorMouseState state, GameTime gameTime)
{
switch (ProjectionType)
{
case CameraProjectionType.Perspective:
updatePerspectiveCamera(state, gameTime);
break;
case CameraProjectionType.Orthographic:
updateOrtographicCamera(state, gameTime);
break;
}
}
private void updatePerspectiveCamera(EditorMouseState state, GameTime gameTime)
{
float elapsedTime = (float)gameTime.ElapsedGameTime.TotalMilliseconds / 1000.0f;
if (lastMouseState == null || !state.onControl || state.RightButton == ButtonState.Released)
{
lastMouseState = new EditorMouseState(state);
return;
}
float deltaX = state.Position.X - lastMouseState.Position.X;
float deltaY = state.Position.Y - lastMouseState.Position.Y;
Yaw -= RotationSpeed * deltaX * elapsedTime;
Pitch += RotationSpeed * deltaY * elapsedTime;
Vector3 translation = new Vector3(0, 0, 0);
KeyboardState keyState = Keyboard.GetState();
if (keyState.IsKeyDown(Keys.W))
{
translation += new Vector3(0, 0, TranslationSpeed) * elapsedTime;
}
if (keyState.IsKeyDown(Keys.S))
{
translation += new Vector3(0, 0, -TranslationSpeed) * elapsedTime;
}
if (keyState.IsKeyDown(Keys.D))
{
translation += new Vector3(-TranslationSpeed, 0, 0) * elapsedTime;
}
if (keyState.IsKeyDown(Keys.A))
{
translation += new Vector3(TranslationSpeed, 0, 0) * elapsedTime;
}
Matrix rotationMatrix = Matrix.CreateFromYawPitchRoll(Yaw, Pitch, 0);
Vector3 Up = Vector3.Transform(Vector3.Up, rotationMatrix);
Position += Vector3.Transform(translation, rotationMatrix);
Forward = Vector3.Transform(new Vector3(0, 0, 1), rotationMatrix);
Vector3 cameraFinalTarget = Position + Forward;
View = Matrix.CreateLookAt(Position, cameraFinalTarget, Up);
lastMouseState = new EditorMouseState(state);
}
private void updateOrtographicCamera(EditorMouseState state, GameTime gameTime)
{
float elapsedTime = (float)gameTime.ElapsedGameTime.TotalMilliseconds / 1000.0f;
float zoomDelta = (state.ScrollValue - lastMouseState.ScrollValue) * zoomSpeed;
ortZoom += zoomDelta * ortZoom;
Yaw = 0;
Pitch = 0;
Vector3 ortPosition = new Vector3(Position.X, Position.Y, -50f);
View = Matrix.CreateLookAt(ortPosition, ortPosition + new Vector3(0, 0, 1), Vector3.Up);
Projection = Matrix.CreateOrthographic(device.Viewport.Width * ortZoom, device.Viewport.Height * ortZoom, 0.1f, 1000f);
lastMouseState = new EditorMouseState(state);
Vector3 translation = Vector3.Zero;
KeyboardState keyState = Keyboard.GetState();
if (keyState.IsKeyDown(Keys.W))
{
translation += new Vector3(0, TranslationSpeed, 0) * elapsedTime;
}
if (keyState.IsKeyDown(Keys.S))
{
translation += new Vector3(0, -TranslationSpeed, 0) * elapsedTime;
}
if (keyState.IsKeyDown(Keys.D))
{
translation += new Vector3(-TranslationSpeed, 0, 0) * elapsedTime;
}
if (keyState.IsKeyDown(Keys.A))
{
translation += new Vector3(TranslationSpeed, 0, 0) * elapsedTime;
}
Position += translation;
}
protected override void OnPreviewMouseLeftButtonUp(MouseButtonEventArgs e)
{
// base.OnPreviewMouseLeftButtonUp(e);
//}
//protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
//{
if (PreviewMode)
{
//Point mousePosition = e.GetPosition(this);
//VisualContainer.MouseUp(new Point(mousePosition.X / ZoomFactor, mousePosition.Y / ZoomFactor));
//e.Handled = true;
return;
}
switch (_mouseState)
{
case EditorMouseState.SelectStart:
if (SelectedItems.Count > 0)
{
SelectedItems.Clear();
}
break;
case EditorMouseState.Move:
if (_snapManager.Action != SnapAction.None)
{
if (_snapManager.IsValidDrag)
{
ConfigManager.UndoManager.StartBatch();
foreach (HeliosVisual panel in SelectedItems)
{
panel.Left += _snapManager.LocationOffset.X;
panel.Top += _snapManager.LocationOffset.Y;
}
ConfigManager.UndoManager.CloseBatch();
}
}
_snapManager.Action = SnapAction.None;
GetSelectionAdorner().InvalidateVisual();
Cursor = null;
break;
case EditorMouseState.Selecting:
DragSelectionAdorner dragAdorner = GetDragSelectionAdorner();
foreach (HeliosVisual visual in VisualContainer.Children.Reverse())
{
Rect visualRect = visual.DisplayRectangle;
visualRect.Scale(ZoomFactor, ZoomFactor);
if (!visual.IsLocked && dragAdorner.Rectangle.IntersectsWith(visualRect) && !SelectedItems.Contains(
visual))
{
SelectedItems.Add(visual);
}
}
break;
}
_mouseState = EditorMouseState.Idle;
RemoveDragSelectionAdorner();
ReleaseMouseCapture();
}
protected override void OnPreviewMouseMove(MouseEventArgs e)
{
// base.OnPreviewMouseMove(e);
//}
//protected override void OnMouseMove(MouseEventArgs e)
//{
if (PreviewMode)
{
//Point mousePosition = e.GetPosition(this);
//VisualContainer.MouseDrag(new Point(mousePosition.X / ZoomFactor, mousePosition.Y / ZoomFactor));
//e.Handled = true;
return;
}
Point resizePosition = e.GetPosition(this);
_dragVector = e.GetPosition(Window.GetWindow(this)) - _mouseDownPosition;
if (e.LeftButton == MouseButtonState.Pressed &&
(Math.Abs(_dragVector.X) > SystemParameters.MinimumHorizontalDragDistance ||
Math.Abs(_dragVector.Y) > SystemParameters.MinimumVerticalDragDistance))
{
switch (_mouseState)
{
case EditorMouseState.SelectStart:
if (!Keyboard.Modifiers.HasFlag(ModifierKeys.Control))
{
SelectedItems.Clear();
}
_mouseState = EditorMouseState.Selecting;
break;
}
}
switch (_mouseState)
{
case EditorMouseState.Move:
_snapManager.ForceProportions = Keyboard.Modifiers.HasFlag(ModifierKeys.Shift);
_snapManager.IgnoreTargets = Keyboard.Modifiers.HasFlag(ModifierKeys.Control);
_snapManager.DragVector = _dragVector;
GetSelectionAdorner().InvalidateVisual();
break;
case EditorMouseState.Selecting:
GetDragSelectionAdorner().DragVector = _dragVector;
break;
}
e.Handled = true;
}
protected override void OnPreviewMouseLeftButtonDown(MouseButtonEventArgs e)
{
if (PreviewMode)
{
return;
}
Focus();
_mouseDownPosition = e.GetPosition(Window.GetWindow(this));
_snapManager.DragVector = new Vector(0, 0);
_snapManager.Action = SnapAction.None;
Point resizePosition = e.GetPosition(this);
Rect selectionRectangle = SelectedItems.Rectangle;
selectionRectangle.Scale(ZoomFactor, ZoomFactor);
if (e.ClickCount == 2)
{
foreach (HeliosVisual visual in VisualContainer.Children.Reverse())
{
Rect visualRect = visual.DisplayRectangle;
visualRect.Scale(ZoomFactor, ZoomFactor);
if (!visual.IsLocked && !visual.IsHidden && visualRect.Contains(resizePosition))
{
Helios.Controls.HeliosPanel panel = visual as Helios.Controls.HeliosPanel;
if (panel != null)
{
if (ProfileEditorCommands.OpenProfileItem.CanExecute(panel, this))
{
ProfileEditorCommands.OpenProfileItem.Execute(panel, this);
e.Handled = true;
break;
}
}
}
}
return;
}
if (_mouseState == EditorMouseState.Idle && SelectedItems.Count > 0 && selectionRectangle.Contains(resizePosition) && !Keyboard.Modifiers.HasFlag(ModifierKeys.Control))
{
LoadSnapTargets(true);
_snapManager.Location = SelectedItems.Rectangle.Location;
_snapManager.Size = SelectedItems.Rectangle.Size;
_snapManager.Action = SnapAction.Move;
_mouseState = EditorMouseState.Move;
Cursor = Cursors.SizeAll;
}
if (_mouseState == EditorMouseState.Idle)
{
bool controlClicked = false;
foreach (HeliosVisual visual in VisualContainer.Children.Reverse())
{
Rect visualRect = visual.DisplayRectangle;
visualRect.Scale(ZoomFactor, ZoomFactor);
if (!visual.IsLocked && !visual.IsHidden && visualRect.Contains(resizePosition))
{
controlClicked = true;
if (!SelectedItems.Contains(visual))
{
if (Keyboard.Modifiers != ModifierKeys.Control)
{
SelectedItems.Clear();
}
SelectedItems.Add(visual);
break;
}
else if (Keyboard.Modifiers == ModifierKeys.Control)
{
SelectedItems.Remove(visual);
}
}
}
if (!controlClicked)
{
_mouseState = EditorMouseState.SelectStart;
DragSelectionAdorner adorner = GetDragSelectionAdorner();
adorner.StartLocation = e.GetPosition(this);
if (!Keyboard.Modifiers.HasFlag(ModifierKeys.Control))
{
SelectedItems.Clear();
}
}
}
e.Handled = true;
CaptureMouse();
}
