protected virtual void OnMouseClick(object sender, MouseEventArgs e)
{
if (HoverPosition == null)
{
ThreatenedPositions = Enumerable.Empty <Position>();
return;
}
if (!ThreatenedPositions.Contains(HoverPosition) && ChessRepresentation[HoverPosition] == null)
{
return;
}
var mechanism = new ChessMechanism();
SelectedPosition = HoverPosition;
var selectedPositionOwner = _chessRepresentation[SelectedPosition]?.Owner;
if (selectedPositionOwner == null)
{
ThreatenedPositions = Enumerable.Empty <Position>();
return;
}
ThreatenedPositions = mechanism.GenerateMoves(_chessRepresentation, selectedPositionOwner).OfType <BaseChessMove>()
.Where(x => x.From == SelectedPosition).Select(x => x.To).ToList();
}
protected override void OnMouseClick(MouseEventArgs e)
{
if (SelectedPosition == null)
{
base.OnMouseClick(e);
return;
}
if (HoverPosition == SelectedPosition)
{
SelectedPosition = null;
ThreatenedPositions = Enumerable.Empty <Position>();
return;
}
if (HoverPosition == TargetPosition)
{
TargetPosition = null;
return;
}
if (ThreatenedPositions.Contains(HoverPosition))
{
TargetPosition = HoverPosition;
var move = GetSelectedChessMove();
if (move == null)
{
return;
}
if (Enabled)
{
ChessRepresentation = _mechanism.ApplyMove(ChessRepresentation, move);
OnValidMoveSelected?.Invoke(this, new ChessboardMoveSelectedEventArg(move, ChessRepresentation.CurrentPlayer));
}
}
}
