private bool ToggleSelection(Vector2d gamepos)
{
using (var trk = game.Track.CreateTrackWriter())
{
var line = SelectLine(trk, gamepos, out bool knob);
if (line != null)
{
if (_selectedlines.Contains(line.ID))
{
_selectedlines.Remove(line.ID);
_selection.RemoveAt(
_selection.FindIndex(
x => x.line.ID == line.ID));
line.SelectionState = SelectionState.None;
}
else
{
_selectedlines.Add(line.ID);
var selection = new LineSelection(line, true, null);
_selection.Add(selection);
line.SelectionState = SelectionState.Selected;
}
_selectionbox = GetBoxFromSelected(_selection);
game.Track.RedrawLine(line);
return(true);
}
}
return(false);
}
public override void OnUndoRedo(bool isundo, object undohint)
{
if (Active && (_selection.Count != 0 || _boxselection.Count != 0) &&
(undohint is int[] lineids))
{
if (lineids.Length != 0)
{
Stop(false);
_hoverline = null;
Active = true;
using (var trk = game.Track.CreateTrackWriter())
{
foreach (var lineid in lineids)
{
var line = trk.Track.LineLookup[lineid];
_selectedlines.Add(line.ID);
var selection = new LineSelection(line, true, null);
_selection.Add(selection);
line.SelectionState = SelectionState.Selected;
game.Track.RedrawLine(line);
}
}
_selectionbox = GetBoxFromSelected(_selection);
return;
}
}
Stop(true);
}
private void DropLine()
{
if (_active)
{
_hoverline = _selection.line;
_hoverknob = !_selection.BothJoints;
_hoverknobjoint1 = _selection.joint1;
}
_lifelocking = false;
if (_active)
{
if (_selection != null)
{
game.Track.UndoManager.BeginAction();
game.Track.UndoManager.AddChange(_selection.clone, _selection.line);
foreach (var s in _selection.snapped)
{
game.Track.UndoManager.AddChange(s.clone, s.line);
}
game.Track.UndoManager.EndAction();
}
game.Invalidate();
}
_active = false;
_selection = null;
}
private bool SelectLine(Vector2d gamepos)
{
using (var trk = game.Track.CreateTrackReader())
{
var line = SelectLine(trk, gamepos, out bool knob);
if (line != null)
{
_clickstart = gamepos;
_active = true;
//is it a knob?
if (knob)
{
if (InputUtils.Check(Hotkey.ToolSelectBothJoints))
{
_selection = new LineSelection(line, bothjoints: true);
}
else
{
var knobpos = Utility.CloserPoint(
gamepos,
line.Position,
line.Position2);
_selection = new LineSelection(line, knobpos);
_hoverclick = true;
_hovertime.Restart();
foreach (var snap in LineEndsInRadius(trk, knobpos, 1))
{
if ((snap.Position == knobpos ||
snap.Position2 == knobpos) &&
snap != line)
{
_selection.snapped.Add(new LineSelection(snap, knobpos));
}
}
}
return(true);
}
else
{
_selection = new LineSelection(line, true);
return(true);
}
}
}
return(false);
}
private void UpdateDrawingBox(Vector2d gamepos)
{
var size = gamepos - _drawbox.Vector;
_drawbox.Size = size;
UnselectBox();
using (var trk = game.Track.CreateTrackWriter())
{
var lines = trk.GetLinesInRect(_drawbox.MakeLRTB(), true);
foreach (var line in lines)
{
if (!_selectedlines.Contains(line.ID))
{
var selection = new LineSelection(line, true, null);
line.SelectionState = SelectionState.Selected;
_boxselection.Add(selection);
game.Track.RedrawLine(line);
}
}
}
}
public List <LineSelection> SelectLines(List <GameLine> lines, bool additive = false)
{
if (!additive)
{
Unselect();
UnselectBox();
}
foreach (GameLine line in lines)
{
LineSelection selection = new LineSelection(line, true, null);
_selectedlines.Add(line.ID);
_selection.Add(selection);
_boxselection.Add(selection);
line.SelectionState = SelectionState.Selected;
game.Track.RedrawLine(line);
}
_selectionbox = GetBoxFromSelected(_selection);
Render();
return(_selection);
}
public void Paste()
{
if (_copybuffer.Count != 0)
{
Stop(false);
var pasteorigin = GetCopyOrigin();
var diff = pasteorigin - _copyorigin;
Unselect();
Active = true;
if (CurrentTools.SelectedTool != this)
{
CurrentTools.SetTool(this);
}
using (var trk = game.Track.CreateTrackWriter())
{
game.Track.UndoManager.BeginAction();
foreach (var line in _copybuffer)
{
var add = line.Clone();
add.ID = GameLine.UninitializedID;
add.Position += diff;
add.Position2 += diff;
if (add is StandardLine stl)
{
stl.CalculateConstants();
}
add.SelectionState = SelectionState.Selected;
trk.AddLine(add);
var selectinfo = new LineSelection(add, true, null);
_selection.Add(selectinfo);
_selectedlines.Add(add.ID);
}
game.Track.UndoManager.EndAction();
}
_selectionbox = GetBoxFromSelected(_selection);
game.Track.NotifyTrackChanged();
}
}