public override void ToolSelected(bool preventHistory)
{
_form.Show(Editor.Instance);
Editor.Instance.Focus();
// Init the points and copy caches
_copies = new Dictionary <Solid, Solid>();
Points = new List <VMPoint>();
SelectionChanged();
_snapPointOffset = null;
_movingPoint = null;
MoveSelection = null;
if (_currentTool != null)
{
_currentTool.ToolSelected(preventHistory);
}
Mediator.Subscribe(EditorMediator.SelectionChanged, this);
Mediator.Subscribe(HotkeysMediator.VMStandardMode, this);
Mediator.Subscribe(HotkeysMediator.VMScalingMode, this);
Mediator.Subscribe(HotkeysMediator.VMFaceEditMode, this);
}
public override void MouseUp(ViewportBase viewport, ViewportEvent e)
{
base.MouseUp(viewport, e);
if (_currentTool == null)
{
return;
}
_currentTool.MouseUp(viewport, e);
if (!(viewport is Viewport2D))
{
return;
}
if (_currentTool.NoSelection())
{
return;
}
if (!e.Handled)
{
if (MoveSelection != null && !KeyboardState.Ctrl)
{
// If we were clicking on a point, and the mouse hasn't moved yet,
// and ctrl is not down, deselect the other points.
Points.ForEach(x => x.IsSelected = false);
MoveSelection.ForEach(x => x.IsSelected = true);
VertexSelectionChanged();
_currentTool.MouseClick(viewport, e);
}
else
{
_currentTool.DragEnd();
}
}
RefreshMidpoints();
_snapPointOffset = null;
_movingPoint = null;
MoveSelection = null;
}
public override void ToolDeselected(bool preventHistory)
{
Mediator.UnsubscribeAll(this);
if (_currentTool != null)
{
_currentTool.ToolDeselected(preventHistory);
}
// Commit the changes
Commit(_copies.Values.ToList());
_copies = null;
Points = null;
_snapPointOffset = null;
_movingPoint = null;
MoveSelection = null;
_form.Hide();
}
public override void MouseDown(ViewportBase vp, ViewportEvent e)
{
_clickSelectionDone = false;
if (_currentTool != null)
{
// If the current tool handles the event, we're done
_currentTool.MouseDown(vp, e);
if (e.Handled)
{
return;
}
}
if (!(vp is Viewport2D))
{
MouseDown((Viewport3D)vp, e);
return;
}
if (_currentTool == null)
{
return;
}
if (_currentTool.NoSelection())
{
return;
}
var viewport = (Viewport2D)vp;
// Otherwise we try a selection
// Find the clicked vertices
var vtxs = _currentTool.GetVerticesAtPoint(e.X, viewport.Height - e.Y, viewport);
if (!vtxs.Any())
{
// Nothing clicked
if (!KeyboardState.Ctrl)
{
// Deselect all the points if not ctrl-ing
Points.ForEach(x => x.IsSelected = false);
}
// Try to select in 2D
// Create a box to represent the click, with a tolerance level
var unused = viewport.GetUnusedCoordinate(new Coordinate(100000, 100000, 100000));
var tolerance = 4 / viewport.Zoom; // Selection tolerance of four pixels
var used = viewport.Expand(new Coordinate(tolerance, tolerance, 0));
var add = used + unused;
var click = viewport.Expand(viewport.ScreenToWorld(e.X, viewport.Height - e.Y));
var box = new Box(click - add, click + add);
var centerHandles = Select.DrawCenterHandles;
var centerOnly = Select.ClickSelectByCenterHandlesOnly;
// Get the first element that intersects with the box
var solid = Document.Map.WorldSpawn.GetAllNodesIntersecting2DLineTest(box, centerHandles, centerOnly).OfType <Solid>().FirstOrDefault();
if (solid != null)
{
// select solid
var select = new[] { solid };
var deselect = !KeyboardState.Ctrl ? Document.Selection.GetSelectedObjects() : new MapObject[0];
Document.PerformAction("Select VM solid", new ChangeSelection(select, deselect));
// Don't do other click operations
return;
}
base.MouseDown(vp, e);
return;
}
var vtx = vtxs.First();
// When clicking, only select vertices in a single solid
vtxs = vtxs.Where(x => x.Solid == vtx.Solid).ToList();
// If any vertices are selected, don't change the selection yet
if (!vtxs.Any(x => x.IsSelected))
{
_clickSelectionDone = true;
DoSelection(vtxs, viewport);
}
// Only move selected vertices
vtxs = vtxs.Where(x => x.IsSelected).ToList();
if (!vtxs.Any())
{
return;
}
// Use the fist vertex as the control point
_currentTool.DragStart(vtxs);
MoveSelection = vtxs;
_snapPointOffset = SnapIfNeeded(viewport.Expand(viewport.ScreenToWorld(e.X, viewport.Height - e.Y))) - viewport.ZeroUnusedCoordinate(vtx.Coordinate);
_movingPoint = vtx;
}
internal static global::System.Runtime.InteropServices.HandleRef getCPtr(VMPoint obj)
{
return((obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr);
}
