protected override void MouseMove(MapDocument document, MapViewport vp, OrthographicCamera camera, ViewportEvent e)
{
var viewport = vp;
var point = SnapIfNeeded(camera.ScreenToWorld(e.X, e.Y));
var st = GetStateAtPoint(e.X, e.Y, camera);
if (_state == ClipState.Drawing)
{
_state = ClipState.MovingPoint2;
_clipPlanePoint1 = _drawingPoint;
_clipPlanePoint2 = point;
_clipPlanePoint3 = _clipPlanePoint1 + SnapIfNeeded(camera.GetUnusedCoordinate(new Vector3(128, 128, 128)));
}
else if (_state == ClipState.MovingPoint1)
{
// Move point 1
var cp1 = camera.GetUnusedCoordinate(_clipPlanePoint1.Value) + point;
if (KeyboardState.Ctrl)
{
var diff = _clipPlanePoint1 - cp1;
_clipPlanePoint2 -= diff;
_clipPlanePoint3 -= diff;
}
_clipPlanePoint1 = cp1;
}
else if (_state == ClipState.MovingPoint2)
{
// Move point 2
var cp2 = camera.GetUnusedCoordinate(_clipPlanePoint2.Value) + point;
if (KeyboardState.Ctrl)
{
var diff = _clipPlanePoint2 - cp2;
_clipPlanePoint1 -= diff;
_clipPlanePoint3 -= diff;
}
_clipPlanePoint2 = cp2;
}
else if (_state == ClipState.MovingPoint3)
{
// Move point 3
var cp3 = camera.GetUnusedCoordinate(_clipPlanePoint3.Value) + point;
if (KeyboardState.Ctrl)
{
var diff = _clipPlanePoint3 - cp3;
_clipPlanePoint1 -= diff;
_clipPlanePoint2 -= diff;
}
_clipPlanePoint3 = cp3;
}
if (st != ClipState.None || _state != ClipState.None && _state != ClipState.Drawn)
{
viewport.Control.Cursor = Cursors.Cross;
}
else
{
viewport.Control.Cursor = Cursors.Default;
}
}
protected override void MouseMove(MapViewport viewport, OrthographicCamera camera, ViewportEvent e)
{
var vp = viewport;
if (vp == null)
{
return;
}
var p = SnapIfNeeded(camera.ScreenToWorld(e.X, e.Y));
var cursor = Cursors.Default;
switch (_state)
{
case State.None:
var st = GetStateAtPoint(e.X, e.Y, camera, out _stateCamera);
if (st != State.None)
{
cursor = Cursors.SizeAll;
}
break;
case State.MovingPosition:
if (_stateCamera == null)
{
break;
}
var newEye = camera.GetUnusedCoordinate(_stateCamera.EyePosition) + p;
if (KeyboardState.Ctrl)
{
_stateCamera.LookPosition += (newEye - _stateCamera.EyePosition);
}
_stateCamera.EyePosition = newEye;
SetViewportCamera(_stateCamera.EyePosition, _stateCamera.LookPosition);
break;
case State.MovingLook:
if (_stateCamera == null)
{
break;
}
var newLook = camera.GetUnusedCoordinate(_stateCamera.LookPosition) + p;
if (KeyboardState.Ctrl)
{
_stateCamera.EyePosition += (newLook - _stateCamera.LookPosition);
}
_stateCamera.LookPosition = newLook;
SetViewportCamera(_stateCamera.EyePosition, _stateCamera.LookPosition);
break;
}
vp.Control.Cursor = cursor;
}
public override void StartDrag(MapDocument document, MapViewport viewport, OrthographicCamera camera, ViewportEvent e, Vector3 position)
{
State.Viewport = viewport;
State.Action = BoxAction.Drawing;
State.OrigStart = State.Start;
State.OrigEnd = State.End;
var st = RememberedDimensions == null ? Vector3.Zero : camera.GetUnusedCoordinate(RememberedDimensions.Start);
var wid = RememberedDimensions == null ? Vector3.Zero : camera.GetUnusedCoordinate(RememberedDimensions.End - RememberedDimensions.Start);
State.Start = Tool.SnapIfNeeded(camera.Expand(position) + st);
State.End = State.Start + wid;
base.StartDrag(document, viewport, camera, e, position);
}
public override void EndDrag(MapDocument document, MapViewport viewport, OrthographicCamera camera, ViewportEvent e, Vector3 position)
{
State.Viewport = null;
State.Action = BoxAction.Drawn;
State.End = Tool.SnapIfNeeded(camera.Expand(position)) + camera.GetUnusedCoordinate(State.End);
State.FixBounds();
base.EndDrag(document, viewport, camera, e, position);
}
protected override void MouseUp(MapDocument document, MapViewport viewport, OrthographicCamera camera, ViewportEvent e)
{
if (e.Button != MouseButtons.Left)
{
return;
}
_state = EntityState.Drawn;
var loc = SnapIfNeeded(camera.ScreenToWorld(e.X, e.Y));
_location = camera.GetUnusedCoordinate(_location) + loc;
}
private IMapObject SelectionTest(OrthographicCamera camera, ViewportEvent e)
{
// Create a box to represent the click, with a tolerance level
var unused = camera.GetUnusedCoordinate(new Vector3(100000, 100000, 100000));
var tolerance = 4 / camera.Zoom; // Selection tolerance of four pixels
var used = camera.Expand(new Vector3(tolerance, tolerance, 0));
var add = used + unused;
var click = camera.ScreenToWorld(e.X, e.Y);
var box = new Box(click - add, click + add);
return(GetLineIntersections(box).FirstOrDefault());
}
protected override void MouseDown(MapViewport viewport, OrthographicCamera camera, ViewportEvent e)
{
if (e.Button != MouseButtons.Left && e.Button != MouseButtons.Right)
{
return;
}
_state = EntityState.Moving;
var loc = SnapIfNeeded(camera.ScreenToWorld(e.X, e.Y));
_location = camera.GetUnusedCoordinate(_location) + loc;
Invalidate();
}
protected override void MouseMove(MapDocument document, MapViewport viewport, OrthographicCamera camera, ViewportEvent e)
{
if (!Control.MouseButtons.HasFlag(MouseButtons.Left))
{
return;
}
if (_state != EntityState.Moving)
{
return;
}
var loc = SnapIfNeeded(camera.ScreenToWorld(e.X, e.Y));
_location = camera.GetUnusedCoordinate(_location) + loc;
}
private List <VertexPoint> GetPoints(OrthographicCamera camera, Vector3 position, bool allowMixed, bool topmostOnly, bool oneSolidOnly)
{
var p = camera.Flatten(position);
var d = 5 / camera.Zoom; // Tolerance value = 5 pixels
// Order by the unused Vector3 in the view (which is the up axis) descending to get the "closest" point
var points = (from pp in GetVisiblePoints()
let c = camera.Flatten(pp.Position)
where p.X >= c.X - d && p.X <= c.X + d && p.Y >= c.Y - d && p.Y <= c.Y + d
let unused = camera.GetUnusedCoordinate(pp.Position)
orderby unused.X + unused.Y + unused.Z descending
select pp).ToList();
if (!allowMixed && points.Any(x => !x.IsMidpoint))
{
points.RemoveAll(x => x.IsMidpoint);
}
if (points.Count <= 0)
{
return(points);
}
var first = points[0];
if (topmostOnly)
{
points = new List <VertexPoint> {
first
}
}
;
if (oneSolidOnly)
{
points.RemoveAll(x => x.Solid != first.Solid);
}
return(points);
}
public override void Drag(MapDocument document, MapViewport viewport, OrthographicCamera camera, ViewportEvent e, Vector3 lastPosition, Vector3 position)
{
State.End = Tool.SnapIfNeeded(camera.Expand(position)) + camera.GetUnusedCoordinate(State.End);
base.Drag(document, viewport, camera, e, lastPosition, position);
}
public override void Drag(MapViewport viewport, OrthographicCamera camera, ViewportEvent e, Vector3 lastPosition, Vector3 position)
{
Position = camera.Expand(position) + camera.GetUnusedCoordinate(Position);
base.Drag(viewport, camera, e, lastPosition, position);
}
public override void Drag(MapViewport viewport, OrthographicCamera camera, ViewportEvent e,
Vector3 lastPosition, Vector3 position)
{
Position = _vmScaleTool.SnapIfNeeded(camera.Expand(position) + camera.GetUnusedCoordinate(Position));
OnDragMoved();
}
public override void Drag(MapDocument document, MapViewport viewport, OrthographicCamera camera,
ViewportEvent e, Vector3 lastPosition, Vector3 position)
{
Position = _tool.SnapToSelection(camera.Expand(position) + camera.GetUnusedCoordinate(Position), camera);
OnDragMoved();
}
