public override bool[,] PossibleMoves()
{
bool[,] possibleMoves = new bool[Board.Lines, Board.Columns];
Position virtualPosition = new Position(0, 0);
//North-east
virtualPosition.ChangeToPosition(Position.Line - 1, Position.Column + 1);
while (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
if (Board.GetPiece(virtualPosition) != null && Board.GetPiece(virtualPosition).Color != Color)
{
break;
}
virtualPosition.Line = virtualPosition.Line - 1;
virtualPosition.Column = virtualPosition.Column + 1;
}
//South-east
virtualPosition.ChangeToPosition(Position.Line + 1, Position.Column + 1);
while (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
if (Board.GetPiece(virtualPosition) != null && Board.GetPiece(virtualPosition).Color != Color)
{
break;
}
virtualPosition.Line = virtualPosition.Line + 1;
virtualPosition.Column = virtualPosition.Column + 1;
}
//North-West
virtualPosition.ChangeToPosition(Position.Line - 1, Position.Column - 1);
while (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
if (Board.GetPiece(virtualPosition) != null && Board.GetPiece(virtualPosition).Color != Color)
{
break;
}
virtualPosition.Line = virtualPosition.Line - 1;
virtualPosition.Column = virtualPosition.Column - 1;
}
//South-west
virtualPosition.ChangeToPosition(Position.Line + 1, Position.Column - 1);
while (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
if (Board.GetPiece(virtualPosition) != null && Board.GetPiece(virtualPosition).Color != Color)
{
break;
}
virtualPosition.Line = virtualPosition.Line + 1;
virtualPosition.Column = virtualPosition.Column - 1;
}
return(possibleMoves);
}
public override bool[,] PossibleMoves()
{
bool[,] possibleMoves = new bool[Board.Lines, Board.Columns];
Position virtualPosition = new Position(0, 0);
//Check white pieces - only move North
if (Color == Color.White)
{
//Inital move allow 2 squares
virtualPosition.ChangeToPosition(Position.Line - 2, Position.Column);
if (Board.CheckBoardLimits(virtualPosition) && QtyMovement == 0 && IsEmpty(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//Regular move allow 1 square
virtualPosition.ChangeToPosition(Position.Line - 1, Position.Column);
if (Board.CheckBoardLimits(virtualPosition) && IsEmpty(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//Diagonal capture - North-east
virtualPosition.ChangeToPosition(Position.Line - 1, Position.Column + 1);
if (Board.CheckBoardLimits(virtualPosition) && HasEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//Diagonal capture - North-west
virtualPosition.ChangeToPosition(Position.Line - 1, Position.Column - 1);
if (Board.CheckBoardLimits(virtualPosition) && HasEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//Special move: En passant
if (Position.Line == 3)
{
Position left = new Position(Position.Line, Position.Column - 1);
if (Board.CheckBoardLimits(left) && HasEnemy(left) && Board.GetPiece(left) == Game.VulnerableToEnPassant)
{
possibleMoves[Position.Line - 1, Position.Column - 1] = true;
}
Position right = new Position(Position.Line, Position.Column + 1);
if (Board.CheckBoardLimits(right) && HasEnemy(right) && Board.GetPiece(right) == Game.VulnerableToEnPassant)
{
possibleMoves[Position.Line - 1, Position.Column + 1] = true;
}
}
}
//Check black pieces - only move South
if (Color == Color.Black)
{
//Inital move allow 2 squares
virtualPosition.ChangeToPosition(Position.Line + 2, Position.Column);
if (Board.CheckBoardLimits(virtualPosition) && QtyMovement == 0 && IsEmpty(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//Regular move allow 1 square
virtualPosition.ChangeToPosition(Position.Line + 1, Position.Column);
if (Board.CheckBoardLimits(virtualPosition) && IsEmpty(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//Diagonal capture - South-east
virtualPosition.ChangeToPosition(Position.Line + 1, Position.Column + 1);
if (Board.CheckBoardLimits(virtualPosition) && HasEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//Diagonal capture - South-west
virtualPosition.ChangeToPosition(Position.Line + 1, Position.Column - 1);
if (Board.CheckBoardLimits(virtualPosition) && HasEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//Special move: En passant
if (Position.Line == 4)
{
Position left = new Position(Position.Line, Position.Column - 1);
if (Board.CheckBoardLimits(left) && HasEnemy(left) && Board.GetPiece(left) == Game.VulnerableToEnPassant)
{
possibleMoves[Position.Line + 1, Position.Column - 1] = true;
}
Position right = new Position(Position.Line, Position.Column + 1);
if (Board.CheckBoardLimits(right) && HasEnemy(right) && Board.GetPiece(right) == Game.VulnerableToEnPassant)
{
possibleMoves[Position.Line + 1, Position.Column + 1] = true;
}
}
}
return(possibleMoves);
}
public override bool[,] PossibleMoves()
{
bool[,] possibleMoves = new bool[Board.Lines, Board.Columns];
Position virtualPosition = new Position(0, 0);
//North
virtualPosition.ChangeToPosition(Position.Line - 1, Position.Column);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//South
virtualPosition.ChangeToPosition(Position.Line + 1, Position.Column);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//East
virtualPosition.ChangeToPosition(Position.Line, Position.Column + 1);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//West
virtualPosition.ChangeToPosition(Position.Line, Position.Column - 1);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//NW
virtualPosition.ChangeToPosition(Position.Line - 1, Position.Column - 1);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//NE
virtualPosition.ChangeToPosition(Position.Line - 1, Position.Column + 1);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//SE
virtualPosition.ChangeToPosition(Position.Line + 1, Position.Column + 1);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//SW
virtualPosition.ChangeToPosition(Position.Line + 1, Position.Column - 1);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//Special move: Castling
if (QtyMovement == 0 && !Game.PlayerInCheck)
{
//Short Castling
Position RookPosition = new Position(Position.Line, Position.Column + 3);
if (CastlingCheck(RookPosition))
{
Position pos1 = new Position(Position.Line, Position.Column + 1);
Position pos2 = new Position(Position.Line, Position.Column + 2);
if (Board.GetPiece(pos1) == null && Board.GetPiece(pos2) == null)
{
possibleMoves[Position.Line, Position.Column + 2] = true;
}
}
//Long Castling
RookPosition = new Position(Position.Line, Position.Column - 4);
if (CastlingCheck(RookPosition))
{
Position pos1 = new Position(Position.Line, Position.Column - 1);
Position pos2 = new Position(Position.Line, Position.Column - 2);
Position pos3 = new Position(Position.Line, Position.Column - 3);
if (Board.GetPiece(pos1) == null && Board.GetPiece(pos2) == null && Board.GetPiece(pos3) == null)
{
possibleMoves[Position.Line, Position.Column - 2] = true;
}
}
}
return(possibleMoves);
}
public override bool[,] PossibleMoves()
{
bool[,] possibleMoves = new bool[Board.Lines, Board.Columns];
Position virtualPosition = new Position(0, 0);
//North-right
virtualPosition.ChangeToPosition(Position.Line - 2, Position.Column + 1);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//North-left
virtualPosition.ChangeToPosition(Position.Line - 2, Position.Column - 1);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//East-up
virtualPosition.ChangeToPosition(Position.Line - 1, Position.Column + 2);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//East-down
virtualPosition.ChangeToPosition(Position.Line + 1, Position.Column + 2);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//South-right
virtualPosition.ChangeToPosition(Position.Line + 2, Position.Column + 1);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//South-left
virtualPosition.ChangeToPosition(Position.Line + 2, Position.Column - 1);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//West-down
virtualPosition.ChangeToPosition(Position.Line + 1, Position.Column - 2);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
//West-up
virtualPosition.ChangeToPosition(Position.Line - 1, Position.Column - 2);
if (Board.CheckBoardLimits(virtualPosition) && EmptyOrEnemy(virtualPosition))
{
possibleMoves[virtualPosition.Line, virtualPosition.Column] = true;
}
return(possibleMoves);
}