/// <summary>
/// Replaces the line in the track, grid, and renderer.
/// Updates extensions
/// Notifies the undo/timeline managers
/// </summary>
public void ReplaceLine(GameLine oldline, GameLine newline)
{
if (oldline.ID != newline.ID)
{
throw new Exception("can only replace lines with the same id");
}
RegisterUndoAction(oldline, newline);
var std = oldline as StandardLine;
if (std != null)
{
SaveCells(oldline.Position, oldline.Position2);
SaveCells(newline.Position, newline.Position2);
if (_updateextensions)
{
RemoveExtensions(std);
}
var newstd = (StandardLine)newline;
using (Track.Grid.Sync.AcquireWrite())
{
// this could be a moveline, i think.
Track.Grid.RemoveLine(std);
Track.Grid.AddLine(newstd);
}
if (_updateextensions)
{
AddExtensions(newstd);
}
}
_editorcells.RemoveLine(oldline);
_editorcells.AddLine(newline);
Track.LineLookup[newline.ID] = newline;
if (oldline.Type != newline.Type)
{
_renderer.RemoveLine(oldline);
_renderer.AddLine(newline);
}
else
{
_renderer.RedrawLine(newline);
}
}
/// <summary>
/// Removes the line from the track, grid, and renderer.
/// Updates extensions
/// Notifies the undo/timeline managers
/// </summary>
public void RemoveLine(GameLine line)
{
if (line is StandardLine std)
{
SaveCells(line.Position, line.Position2);
if (_updateextensions)
{
RemoveExtensions(std);
}
}
RegisterUndoAction(line, null);
Track.RemoveLine(line);
_editorcells.RemoveLine(line);
_renderer.RemoveLine(line);
}