public sealed override void MovePiece(int originRow, int originColumn, int targetRow, int targetColumn)
{
var origin = RemovePiece(originRow, originColumn);
var target = RemovePiece(targetRow, targetColumn);
var specialMove = false;
var pawnsDoubleStepForward = false;
var incomingPromotion = false;
if (origin is Pawn)
{
if (Math.Abs(originRow - targetRow) == 2) // First move, Double-step-forward
{
EnPassantVulnerable = origin as Pawn;
pawnsDoubleStepForward = true;
}
else if (target is null && Math.Abs(originColumn - targetColumn) == 1) // En passant
{
RemovePiece(EnPassantVulnerable);
CapturedPieces.Add(EnPassantVulnerable);
}
else if (origin.Side == BoardSide.Bottom && targetRow == 0 || origin.Side == BoardSide.Top && targetRow == Rows - 1) // Promotion
{
incomingPromotion = true;
}
}
private GamePiece PerformMove(Position origin, Position destiny)
{
GamePiece piece = Board.RemovePiece(origin);
piece.IncrementNumberOfMovements();
GamePiece capturedPiece = Board.RemovePiece(destiny);
Board.PlacePiece(piece, destiny);
if (capturedPiece != null)
{
CapturedPieces.Add(capturedPiece);
}
// SPECIAL MOVES:
// Lesser Castling
if (piece is King && destiny.Column == origin.Column + 2)
{
Position rookOrigin = new Position(origin.Row, origin.Column + 3);
Position rookDestiny = new Position(origin.Row, origin.Column + 1);
GamePiece rook = Board.RemovePiece(rookOrigin);
rook.IncrementNumberOfMovements();
Board.PlacePiece(rook, rookDestiny);
}
// Greater Castling
if (piece is King && destiny.Column == origin.Column - 2)
{
Position rookOrigin = new Position(origin.Row, origin.Column - 4);
Position rookDestiny = new Position(origin.Row, origin.Column - 1);
GamePiece rook = Board.RemovePiece(rookOrigin);
rook.IncrementNumberOfMovements();
Board.PlacePiece(rook, rookDestiny);
}
// En Passent
if (piece is Pawn)
{
if (destiny.Column != origin.Column && capturedPiece == null)
{
Position targetPawnPosition;
if (piece.Color == Color.White)
{
targetPawnPosition = new Position(destiny.Row + 1, destiny.Column);
}
else
{
targetPawnPosition = new Position(destiny.Row - 1, destiny.Column);
}
capturedPiece = Board.RemovePiece(targetPawnPosition);
CapturedPieces.Add(capturedPiece);
}
}
return(capturedPiece);
}
private Piece MakeMove(Position source, Position target)
{
ChessPiece sourcePiece = (ChessPiece)Board.RemovePiece(source);
sourcePiece.IncreaseMoveCount();
Piece capturedPiece = Board.RemovePiece(target);
Board.PlacePiece(sourcePiece, target);
if (capturedPiece != null)
{
PiecesOnTheBoard.Remove(capturedPiece);
CapturedPieces.Add(capturedPiece);
}
//SpecialMove Castling KingSide Rook
if (sourcePiece is King && target.Column == source.Column + 2)
{
Position sourceRook = new Position(source.Row, source.Column + 3);
Position targetRook = new Position(source.Row, source.Column + 1);
ChessPiece rook = (ChessPiece)Board.RemovePiece(sourceRook);
Board.PlacePiece(rook, targetRook);
rook.IncreaseMoveCount();
}
//SpecialMove Castling QueenSide Rook
if (sourcePiece is King && target.Column == source.Column - 2)
{
Position sourceRook = new Position(source.Row, source.Column - 4);
Position targetRook = new Position(source.Row, source.Column - 1);
ChessPiece rook = (ChessPiece)Board.RemovePiece(sourceRook);
Board.PlacePiece(rook, targetRook);
rook.IncreaseMoveCount();
}
//SpecialMove EnPassant
if (sourcePiece is Pawn)
{
if (source.Column != target.Column && capturedPiece == null)
{
Position pawnPosition;
if (sourcePiece.Color == Color.White)
{
pawnPosition = new Position(target.Row + 1, target.Column);
}
else
{
pawnPosition = new Position(target.Row - 1, target.Column);
}
capturedPiece = Board.RemovePiece(pawnPosition);
CapturedPieces.Add(capturedPiece);
PiecesOnTheBoard.Remove(capturedPiece);
}
}
return(capturedPiece);
}
public Piece ExecuteMovement(Position origin, Position destiny)
{
Piece piece = Board.RemovePiece(origin);
piece.IncrementMovementQuantity();
Piece capturedPiece = Board.RemovePiece(destiny);
Board.PlacePiece(piece, destiny);
if (capturedPiece != null)
{
CapturedPieces.Add(capturedPiece);
}
// #SpecialMove Short Castling
if (piece is King && destiny.Column == origin.Column + 2)
{
Position originTower = new Position(origin.Row, origin.Column + 3);
Position destinyTower = new Position(origin.Row, origin.Column + 1);
Piece tower = Board.RemovePiece(originTower);
tower.IncrementMovementQuantity();
Board.PlacePiece(tower, destinyTower);
}
// #SpecialMove Long Castling
if (piece is King && destiny.Column == origin.Column - 2)
{
Position originTower = new Position(origin.Row, origin.Column - 4);
Position destinyTower = new Position(origin.Row, origin.Column - 1);
Piece tower = Board.RemovePiece(originTower);
tower.IncrementMovementQuantity();
Board.PlacePiece(tower, destinyTower);
}
// #Special Move en Passant
if (piece is Pawn)
{
if (origin.Column != destiny.Column && capturedPiece == null)
{
Position pawnPosition;
if (piece.Color == Color.White)
{
pawnPosition = new Position(destiny.Row + 1, destiny.Column);
}
else
{
pawnPosition = new Position(destiny.Row - 1, destiny.Column);
}
capturedPiece = Board.RemovePiece(pawnPosition);
CapturedPieces.Add(capturedPiece);
}
}
return(capturedPiece);
}
public Piece ChessMove(Position origin, Position destiny)
{
Piece movedPiece = Board.RemovePiece(origin);
movedPiece.IncreaseQtyMovement();
Piece takenPiece = Board.RemovePiece(destiny);
Board.AddressPiece(movedPiece, destiny);
if (takenPiece != null)
{
CapturedPieces.Add(takenPiece);
}
//Special move: Castling
////Short Castling
if (movedPiece is King && destiny.Column == origin.Column + 2)
{
Position rookOrigin = new Position(origin.Line, origin.Column + 3);
Position rookDestiny = new Position(origin.Line, origin.Column + 1);
Piece movedRook = Board.RemovePiece(rookOrigin);
movedRook.IncreaseQtyMovement();
Board.AddressPiece(movedRook, rookDestiny);
}
////Long Castling
if (movedPiece is King && destiny.Column == origin.Column - 2)
{
Position rookOrigin = new Position(origin.Line, origin.Column - 4);
Position rookDestiny = new Position(origin.Line, origin.Column - 1);
Piece movedRook = Board.RemovePiece(rookOrigin);
movedRook.IncreaseQtyMovement();
Board.AddressPiece(movedRook, rookDestiny);
}
//Special move: En passant
if (movedPiece is Pawn)
{
if (origin.Column != destiny.Column)
{
Position EnPassantCapture;
if (movedPiece.Color == Color.White)
{
EnPassantCapture = new Position(destiny.Line + 1, destiny.Column);
}
else
{
EnPassantCapture = new Position(destiny.Line - 1, destiny.Column);
}
takenPiece = Board.RemovePiece(EnPassantCapture);
CapturedPieces.Add(takenPiece);
}
}
return(takenPiece);
}
public Piece RunMoviment(Position origin, Position destiny)
{
Piece p = ChessBoard.RemovePiece(origin);
p.IncrementQnttMovies();
Piece CapturedPiece = ChessBoard.RemovePiece(destiny);
ChessBoard.InsertPiece(p, destiny);
if (CapturedPiece != null)
{
CapturedPieces.Add(CapturedPiece);
}
//#jogada especial roque pequeno
if (p is King && destiny.Column == origin.Column + 2)
{
Position originT = new Position(origin.Line, origin.Column + 3);
Position destinyT = new Position(origin.Line, origin.Column + 1);
Piece T = ChessBoard.RemovePiece(originT);
T.IncrementQnttMovies();
ChessBoard.InsertPiece(T, destinyT);
}
//#jogada especial roque Grande
if (p is King && destiny.Column == origin.Column - 2)
{
Position originT = new Position(origin.Line, origin.Column - 4);
Position destinyT = new Position(origin.Line, origin.Column - 1);
Piece T = ChessBoard.RemovePiece(originT);
T.IncrementQnttMovies();
ChessBoard.InsertPiece(T, destinyT);
}
//#jogada especial EnPassant
if (p is Pawn)
{
if (origin.Column != destiny.Column && CapturedPiece == null)
{
Position posP;
if (p.Color == Color.Branca)
{
posP = new Position(destiny.Line + 1, destiny.Column);
}
else
{
posP = new Position(destiny.Line - 1, destiny.Column);
}
CapturedPiece = ChessBoard.RemovePiece(posP);
CapturedPieces.Add(CapturedPiece);
}
}
return(CapturedPiece);
}
public Piece ExecuteMove(Position from, Position to)
{
Piece p = Board.RemovePiece(from);
p.SumQntMoves();
Piece capturedPiece = Board.RemovePiece(to);
Board.PutPiece(p, to);
if (capturedPiece != null)
{
CapturedPieces.Add(capturedPiece);
}
return(capturedPiece);
}
/// <summary>
/// Execute move of chess piece
/// </summary>
/// <param name="origin">Origin of piece</param>
/// <param name="target">Target position</param>
public Piece ExecuteMove(Position origin, Position target)
{
Piece piece = Board.RemovePiece(origin);
Piece capturedPiece = Board.RemovePiece(target);
Board.PutPiece(piece, target);
// Log
StringBuilder text = new StringBuilder();
text.AppendLine("Move piece");
text.AppendLine(string.Concat("Piece: ", piece.GetType()));
text.AppendLine(string.Concat("Color: ", piece.Color.ToString()));
text.AppendLine(string.Concat("Origin ChessPosition: ", origin.ToChessPosition().ToString(), " Origin CanvasPosition(Column, Row): ", origin.Column, ", ", origin.Row));
text.AppendLine(string.Concat("Target ChessPosition: ", target.ToChessPosition().ToString(), " Target CanvasPosition(Column, Row): ", target.Column, ", ", target.Row));
text.AppendLine(string.Concat("Turn: ", TotalMoves));
text.AppendLine(string.Concat("Date: ", DateTime.Now.ToShortDateString(), " Time: ", DateTime.Now.ToShortTimeString()));
piece.IncrementMovements();
if (capturedPiece != null)
{
CapturedPieces.Add(capturedPiece);
text.AppendLine(string.Concat("Captured: ", capturedPiece.GetType()));
}
WriteLog.ChecksLogs(text);
if (Board.Piece(target) is King && ((target.Column + 2 == origin.Column) || (target.Column - 2 == origin.Column)))
{
ExecuteCastling(Board.Piece(target));
}
if (Board.Piece(target) != null && Board.Piece(target) is Pawn && origin.Column != target.Column && capturedPiece == null)
{
capturedPiece = ExecuteEnPassant(Board.Piece(target), origin);
}
if (capturedPiece != null)
{
CapturedPieces.Add(capturedPiece);
}
return(capturedPiece);
}
public void MovePiece(ChessPiece piece, byte rowIndex, byte colIndex)
{
try
{
//remove the piece from its original position
ChessBoardCell originalPosition = piece.BoardPosition;
originalPosition.PieceInCell = null;
//Obtain the new position
ChessBoardCell cell = this[rowIndex, colIndex];
if (cell != null)
{
//Check if the new position capture a piece.
if (cell.PieceInCell != null)
{
if (cell.PieceInCell.Color != piece.Color)
{
//Capture the other piece
ChessPiece capturedPiece = cell.PieceInCell;
CapturedPieces.Add(capturedPiece);
//Player Expected Action: The player remove the piece of his active piece list.
//Piece Expected Action: Update its internal position record.
OnNewPieceCaptured?.Invoke(this, new PieceCapturedEventArgs(capturedPiece));
//Remove the captured piece from board.
cell.PieceInCell = null;
}
else
{
throw new ChessExceptionInvalidGameAction(ExceptionCode.InvalidAttemptToCapturePiece, "The piece that you are trying to capture has the same color than the moved piece");
}
}
cell.PieceInCell = piece;
piece.BoardPosition = cell;
}
}
catch (Exception)
{
throw new ChessExceptionInvalidGameAction(ExceptionCode.InvalidCellIndexes, "Row Index: " + rowIndex + ", Col Index: " + colIndex);
}
}
public void Handle(PieceTaken message)
{
CapturedPieces.Add(PieceImageFactory.GetImage(message.Piece));
}
