public GameBoard AfterMove(Square square)
{
Debug.Assert(_legalMoves.Contains(square));
GameBoard nextPosition = new GameBoard();
nextPosition._moveIndex = _moveIndex + 1;
nextPosition._pieces = new PieceColor[NumberOfSquares];
Array.Copy(_pieces, nextPosition._pieces, NumberOfSquares);
List<Square> capturedPieces = FlankedSquares(square).ToList();
foreach (Square capturedPiece in capturedPieces)
nextPosition._pieces[capturedPiece.Index] = _toMove;
nextPosition._pieces[square.Index] = _toMove;
nextPosition._toMove = GetOpposite();
nextPosition.UpdateLegalMoves();
return nextPosition;
}
private void UpdateGameBoard()
{
_gameBoard = null;
if (_player != null)
{
List<Move> moves = _player.Game.Moves.ToList();
moves.Sort(new MoveComparer());
int expectedIndex = 0;
_gameBoard = GameBoard.OpeningPosition;
foreach (Move move in moves)
{
if (move.Index != expectedIndex)
return;
if (move.Player.Index == 0 && _gameBoard.ToMove != PieceColor.Black)
return;
if (move.Player.Index == 1 && _gameBoard.ToMove != PieceColor.White)
return;
Square square = Square.FromIndex(move.Square);
if (!_gameBoard.LegalMoves.Contains(square))
return;
_gameBoard = _gameBoard.AfterMove(square);
++expectedIndex;
}
}
}
private void UpdatePreviewBoard()
{
_depGameBoard.OnGet();
if (_mainNavigation.PreviewMove != null && _gameBoard.LegalMoves.Contains(_mainNavigation.PreviewMove))
_previewBoard = _gameBoard.AfterMove(_mainNavigation.PreviewMove);
else
_previewBoard = _gameBoard;
}
private void UpdateGameBoard()
{
_depGameBoardRaw.OnGet();
_priorBoard = _priorBoardRaw;
_gameBoard = _gameBoardRaw;
if (_mainNavigation.PendingMove != null && _gameBoard.LegalMoves.Contains(_mainNavigation.PendingMove))
{
_priorBoard = _gameBoard;
_gameBoard = _priorBoard.AfterMove(_mainNavigation.PendingMove);
}
}
private void UpdatePreviewBoard()
{
System.Diagnostics.Debug.WriteLine("UpdatePreviewBoard " + ++_updateCount);
GameBoard gameBoard = GetGameBoard();
if (_mainNavigation.PreviewMove != null && gameBoard.LegalMoves.Contains(_mainNavigation.PreviewMove))
_previewBoard = gameBoard.AfterMove(_mainNavigation.PreviewMove);
else
_previewBoard = gameBoard;
}
