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 void UndoChessMove(Position origin, Position destiny, Piece takenPiece)
{
Piece returnedPiece = Board.RemovePiece(destiny);
returnedPiece.DecreaseQtyMovement();
Board.AddressPiece(returnedPiece, origin);
if (takenPiece != null)
{
Board.AddressPiece(takenPiece, destiny);
CapturedPieces.Remove(takenPiece);
}
//Special move: Castling
//Short Castling
if (returnedPiece 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(rookDestiny);
movedRook.DecreaseQtyMovement();
Board.AddressPiece(movedRook, rookOrigin);
}
//Long Castling
if (returnedPiece 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(rookDestiny);
movedRook.DecreaseQtyMovement();
Board.AddressPiece(movedRook, rookOrigin);
}
//Special move: En passant
if (returnedPiece is Pawn)
{
if (origin.Column != destiny.Column && takenPiece == VulnerableToEnPassant)
{
Piece EnPassantCapture = Board.RemovePiece(destiny);
Position EnPassantReturnPosition;
if (returnedPiece.Color == Color.White)
{
EnPassantReturnPosition = new Position(3, destiny.Column);
}
else
{
EnPassantReturnPosition = new Position(4, destiny.Column);
}
Board.AddressPiece(EnPassantCapture, EnPassantReturnPosition);
}
}
}
public void StartNewPiece(char column, int line, Piece piece)
{
Board.AddressPiece(piece, new ChessPosition(column, line).TranslateChessToZeroBased());
GamePieces.Add(piece);
}
public void MakeMove(Position origin, Position destiny)
{
Piece takenPiece = ChessMove(origin, destiny);
if (IsInCheck(CurrentPlayer))
{
UndoChessMove(origin, destiny, takenPiece);
throw new BoardExceptions("You can not put your self in check");
}
Piece movedPiece = Board.GetPiece(destiny);
//Special move: Pawn Promotion
if (movedPiece is Pawn)
{
if ((movedPiece.Color == Color.White && destiny.Line == 0) || (movedPiece.Color == Color.Black && destiny.Line == 7))
{
Board.RemovePiece(destiny);
GamePieces.Remove(movedPiece);
Console.WriteLine("Type the kind of piece you want to promote your pawn to");
Console.Write("(QUEEN / ROOK / KNIGHT / BISHOP): ");
string playerChoice = Console.ReadLine();
if (!ScreenController.CheckPlayerChoice(playerChoice))
{
throw new BoardExceptions("Not valid option");
}
playerChoice = playerChoice.ToLower();
switch (playerChoice)
{
case "queen":
{
Piece newPiece = new Queen(movedPiece.Color, Board);
Board.AddressPiece(newPiece, destiny);
GamePieces.Add(newPiece);
break;
}
case "rook":
{
Piece newPiece = new Rook(movedPiece.Color, Board);
Board.AddressPiece(newPiece, destiny);
GamePieces.Add(newPiece);
break;
}
case "knight":
{
Piece newPiece = new Knight(movedPiece.Color, Board);
Board.AddressPiece(newPiece, destiny);
GamePieces.Add(newPiece);
break;
}
case "bishop":
{
Piece newPiece = new Bishop(movedPiece.Color, Board);
Board.AddressPiece(newPiece, destiny);
GamePieces.Add(newPiece);
break;
}
}
}
}
//EndGame Pawn Promotion
if (IsInCheck(EnemyIs(CurrentPlayer)))
{
PlayerInCheck = true;
}
else
{
PlayerInCheck = false;
}
if (IsInCheckMate(EnemyIs(CurrentPlayer)))
{
EndGame = true;
}
else
{
Turn++;
MudaJogador();
}
//Special move: en passant
if (movedPiece is Pawn && (destiny.Line == origin.Line + 2 || destiny.Line == origin.Line - 2))
{
VulnerableToEnPassant = movedPiece;
}
else
{
VulnerableToEnPassant = null;
}
}