public void AddShift(Position cursor_position, Point shift)
{
var indices = GetClosestShiftIndexes(cursor_position, 2);
if (indices != null && indices[0].Item2 < Options.Instance.calibration_mode.zone_size)
{
Shifts[indices[0].Item1] = new ShiftItem(cursor_position, shift);
if (indices.Count > 1 && indices[1].Item2 < Options.Instance.calibration_mode.zone_size)
{
Shifts.RemoveAt(indices[1].Item1);
}
}
else if (Shifts.Count() < Options.Instance.calibration_mode.max_zones_count)
{
Shifts.Add(new ShiftItem(cursor_position, shift));
}
else
{
Shifts[GetClosestPointOfHihestDensity(cursor_position)] = new ShiftItem(cursor_position, shift);
}
AsyncSaver.Save(Filepath, GetDeepCopy);
NotifyOnChange();
}