void CreateView(RenderingSurface xiSurface, Scene xiScene, Camera xiCamera, RenderMode xiFixedRenderMode)
{
xiSurface.MouseDown += new MouseEventHandler(Viewer3DRenderingSurface_MouseDown);
xiSurface.MouseUp += new MouseEventHandler(Viewer3DRenderingSurface_MouseUp);
xiSurface.MouseMove += new MouseEventHandler(Viewer3DRenderingSurface_MouseMove);
xiSurface.MouseWheel += new MouseEventHandler(Viewer3DRenderingSurface_MouseWheel);
xiSurface.GotFocus += new EventHandler(Viewer3DRenderingSurface_GotFocus);
ImmediateModeRenderer lRenderer = new ImmediateModeRenderer();
lRenderer.FixedRenderMode = xiFixedRenderMode;
lRenderer.Attach(xiSurface);
MMEdEditorView lView = new MMEdEditorView(this, xiScene, xiCamera, lRenderer);
mViews.Add(xiSurface, lView);
}
void Viewer3DRenderingSurface_MouseMove(object sender, MouseEventArgs e)
{
if (!mDraggingView || mSubject == null)
{
return;
}
System.Drawing.Point lNewMousePoint = e.Location;
RenderingSurface lSender = sender as RenderingSurface;
Camera lCamera = mViews[lSender].Camera;
if (mDraggingButton == MouseButtons.Left)
{
if (Control.ModifierKeys == Keys.Alt && lCamera.ProjectionMode == eProjectionMode.Orthographic)
{
IPositionable lObject = ActiveObject as IPositionable;
if (lObject != null)
{
double lDeltaX = (lNewMousePoint.X - mLastMouseDown.X);
// Origin is at bottom-left, but mouse position is measured from orign at top-left (or vice versa)
double lDeltaY = -(lNewMousePoint.Y - mLastMouseDown.Y);
double lScale = (lCamera.Position.GetPositionVector() * lCamera.ZAxis) / lSender.Width;
Vector lDelta = ((lDeltaX * lCamera.XAxis) + (lDeltaY * lCamera.YAxis)) * lScale;
lObject.OriginPosition.X += (short)(lDelta.x);
lObject.OriginPosition.Y += (short)(lDelta.y);
// MMs has a left handed coordinate system, so the z-axis is pointing the "wrong" way
lObject.OriginPosition.Z -= (short)(lDelta.z);
RebuildObject(lObject);
InvalidateAllViewers();
}
}
else if (Control.ModifierKeys == Keys.Shift)
{
IRotatable lObject = ActiveObject as IRotatable;
if (lObject != null)
{
double lDelta = (double)(lNewMousePoint.Y - mLastMouseDown.Y);
lObject.RotationVector = Utils.RotationMatrixToShort3Coord(
Matrix.Rotation(lDelta / 100, lCamera.ZAxis) * Utils.Short3CoordToRotationMatrix(lObject.RotationVector));
RebuildObject(lObject);
InvalidateAllViewers();
}
}
else if (lCamera.ProjectionMode == eProjectionMode.Perspective)
{
switch (MovementMode)
{
case eMovementMode.FlyMode:
bool lCameraIsUpsideDown = lCamera.YAxis.Dot(Vector.ZAxis) < 0;
lCamera.Rotate(0.01 * (lNewMousePoint.X - mLastMouseDown.X), lCameraIsUpsideDown ? Vector.ZAxis : -Vector.ZAxis);
lCamera.Rotate(0.01 * (lNewMousePoint.Y - mLastMouseDown.Y), lCamera.XAxis);
break;
case eMovementMode.InspectMode:
lCamera.RotateAboutWorldOrigin(0.01 * (lNewMousePoint.X - mLastMouseDown.X), lCamera.YAxis);
lCamera.RotateAboutWorldOrigin(0.01 * (lNewMousePoint.Y - mLastMouseDown.Y), lCamera.XAxis);
break;
default: throw new Exception("Unreachable case");
}
}
}
if (mDraggingButton == MouseButtons.Right)
{
if (Control.ModifierKeys == Keys.Alt)
{
}
else if (Control.ModifierKeys == Keys.Shift)
{
}
else
{
if (lCamera.ProjectionMode == eProjectionMode.Orthographic)
{
double lScale = (lCamera.Position.GetPositionVector() * lCamera.ZAxis) / lSender.Width;
lCamera.Move(-lScale * (lNewMousePoint.X - mLastMouseDown.X) * lCamera.XAxis);
lCamera.Move(lScale * (lNewMousePoint.Y - mLastMouseDown.Y) * lCamera.YAxis);
}
else
{
if (lCamera.ProjectionMode == eProjectionMode.Perspective && MovementMode == eMovementMode.FlyMode)
{
lCamera.Move(0.1 * MoveScale * (lNewMousePoint.X - mLastMouseDown.X) * lCamera.XAxis);
lCamera.Move(0.1 * MoveScale * (lNewMousePoint.Y - mLastMouseDown.Y) * lCamera.YAxis);
}
}
}
}
mLastMouseDown = lNewMousePoint;
lSender.Invalidate();
}
public override void UploadBuffers(RenderingSurface surface)
{
throw new NotImplementedException();
}
