internal void HandleMouseWheel(object sender, MouseEventArgs e)
{
float worldX, worldY;
Camera.ScreenToWorld(e.X, e.Y, out worldX, out worldY);
float differenceX = Camera.X - worldX;
float differenceY = Camera.Y - worldY;
float oldZoom = Camera.Zoom;
if (e.Delta < 0)
{
mWireframeEditControl.ZoomOut();
}
else
{
mWireframeEditControl.ZoomIn();
}
float newDifferenceX = differenceX * oldZoom / Camera.Zoom;
float newDifferenceY = differenceY * oldZoom / Camera.Zoom;
Camera.X = worldX + newDifferenceX;
Camera.Y = worldY + newDifferenceY;
CameraChanged?.Invoke();
}
public void Initialize(WireframeEditControl wireframeEditControl, Panel wireframeParentPanel)
{
try
{
mWireframeEditControl = wireframeEditControl;
mWireframeEditControl.ZoomChanged += HandleZoomChanged;
SystemManagers.Default = new SystemManagers();
SystemManagers.Default.Initialize(GraphicsDevice);
Renderer.Self.SamplerState = SamplerState.PointWrap;
LoaderManager.Self.ContentLoader = new ContentLoader();
LoaderManager.Self.Initialize(null, "content/TestFont.fnt", Services, null);
CameraController.Self.Initialize(Camera, mWireframeEditControl, Width, Height);
CameraController.Self.CameraChanged += () => CameraChanged?.Invoke();
InputLibrary.Cursor.Self.Initialize(this);
InputLibrary.Keyboard.Self.Initialize(this);
mScreenBounds = new LineRectangle();
mScreenBounds.Name = "Gum Screen Bounds";
mScreenBounds.Width = 800;
mScreenBounds.Height = 600;
mScreenBounds.Color = ScreenBoundsColor;
ShapeManager.Self.Add(mScreenBounds, SelectionManager.Self.UiLayer);
this.KeyDown += OnKeyDown;
this.KeyPress += OnKeyPress;
this.MouseDown += CameraController.Self.HandleMouseDown;
this.MouseMove += CameraController.Self.HandleMouseMove;
this.MouseWheel += CameraController.Self.HandleMouseWheel;
this.mTopRuler = new Ruler(this, null, InputLibrary.Cursor.Self);
mLeftRuler = new Ruler(this, null, InputLibrary.Cursor.Self);
mLeftRuler.RulerSide = RulerSide.Left;
if (AfterXnaInitialize != null)
{
AfterXnaInitialize(this, null);
}
UpdateToProject();
mHasInitialized = true;
}
catch (Exception exception)
{
MessageBox.Show("Error initializing the wireframe control\n\n" + exception);
}
}
internal void HandleMouseMove(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Middle)
{
int xChange = e.X - mLastMouseLocation.X;
int yChange = e.Y - mLastMouseLocation.Y;
Renderer.Self.Camera.Position.X -= xChange / Renderer.Self.Camera.Zoom;
Renderer.Self.Camera.Position.Y -= yChange / Renderer.Self.Camera.Zoom;
Gum.ToolCommands.GuiCommands.Self.RefreshWireframe();
if (xChange != 0 || yChange != 0)
{
CameraChanged?.Invoke();
}
mLastMouseLocation = e.Location;
}
}
internal void HandleKeyPress(KeyEventArgs e)
{
if ((Control.ModifierKeys & Keys.Control) == Keys.Control)
{
if (e.KeyCode == System.Windows.Forms.Keys.Up)
{
SystemManagers.Default.Renderer.Camera.Y -= 10 / SystemManagers.Default.Renderer.Camera.Zoom;
CameraChanged?.Invoke();
}
else if (e.KeyCode == System.Windows.Forms.Keys.Down)
{
SystemManagers.Default.Renderer.Camera.Y += 10 / SystemManagers.Default.Renderer.Camera.Zoom;
CameraChanged?.Invoke();
}
else if (e.KeyCode == System.Windows.Forms.Keys.Left)
{
SystemManagers.Default.Renderer.Camera.X -= 10 / SystemManagers.Default.Renderer.Camera.Zoom;
CameraChanged?.Invoke();
}
else if (e.KeyCode == System.Windows.Forms.Keys.Right)
{
SystemManagers.Default.Renderer.Camera.X += 10 / SystemManagers.Default.Renderer.Camera.Zoom;
CameraChanged?.Invoke();
}
else if (e.KeyCode == Keys.Oemplus || e.KeyCode == Keys.Add)
{
mWireframeEditControl.ZoomIn();
CameraChanged?.Invoke();
}
else if (e.KeyCode == Keys.OemMinus || e.KeyCode == Keys.Subtract)
{
mWireframeEditControl.ZoomOut();
CameraChanged?.Invoke();
}
}
}
internal void SendCameraChanged(CameraPosition position)
{
CameraChanged?.Invoke(this, new CameraChangedEventArgs(position));
}
//called when a camera event needs to be generated
protected virtual void OnCamera(EventData eventData)
{
CameraChanged?.Invoke(eventData);
}
public void OnCameraChanged(EventData evt)
{
CameraChanged?.Invoke("camera changed data..." + evt);
}
internal void SendOnCameraChange(Position point, double zoom)
{
CameraChanged?.Invoke(this, new CameraChangedEventArgs(point, zoom));
}