/// <summary>
/// Gets all possible moves of pawns of given player
/// </summary>
private static List <GameMove> GetMovesForPawns(ChessboardModel chessboard, PlayerColor playerColor)
{
var acumulator = new List <GameMove>();
var moveVector = playerColor == PlayerColor.White ? new GameMoveVector(0, 1) : new GameMoveVector(0, -1);
var captureVector1 = playerColor == PlayerColor.White ? new GameMoveVector(1, 1) : new GameMoveVector(1, -1);
var captureVector2 = playerColor == PlayerColor.White ? new GameMoveVector(-1, 1) : new GameMoveVector(-1, -1);
for (int x = 0; x < 8; x++)
{
for (int y = 0; y < 8; y++)
{
var position = new ChessPosition(x, y);
var figure = chessboard.GetFigureOnPosition(position);
if (
figure != null &&
figure.Type == FigureType.Pawn &&
figure.Color == playerColor
)
{
acumulator.Add(CanAttack(chessboard, playerColor, position, position.Add(captureVector1)));
acumulator.Add(CanAttack(chessboard, playerColor, position, position.Add(captureVector2)));
var moveOnce = CanMove(chessboard, playerColor, position, position.Add(moveVector));
acumulator.Add(moveOnce);
if (moveOnce != null && !figure.Moved)
{
acumulator.Add(CanMove(chessboard, playerColor, position, moveOnce.To.Add(moveVector)));
}
}
}
}
acumulator.RemoveAll(x => x == null);
return(acumulator);
}
/// <summary>
/// Gets all possible moves of king of given player
/// </summary>
private static List <GameMove> GetMovesForKing(ChessboardModel chessboard, PlayerColor playerColor)
{
var acumulator = new List <GameMove>();
var up = new GameMoveVector(0, 1);
var left = new GameMoveVector(-1, 0);
var down = new GameMoveVector(0, -1);
var right = new GameMoveVector(1, 0);
var upLeft = new GameMoveVector(-1, 1);
var upRight = new GameMoveVector(1, 1);
var downLeft = new GameMoveVector(-1, -1);
var downRight = new GameMoveVector(1, -1);
for (int x = 0; x < 8; x++)
{
for (int y = 0; y < 8; y++)
{
var position = new ChessPosition(x, y);
var figure = chessboard.GetFigureOnPosition(position);
if (
figure != null &&
figure.Type == FigureType.King &&
figure.Color == playerColor
)
{
acumulator.Add(CanMoveOrAttack(chessboard, playerColor, position, position.Add(up)));
acumulator.Add(CanMoveOrAttack(chessboard, playerColor, position, position.Add(left)));
acumulator.Add(CanMoveOrAttack(chessboard, playerColor, position, position.Add(down)));
acumulator.Add(CanMoveOrAttack(chessboard, playerColor, position, position.Add(right)));
acumulator.Add(CanMoveOrAttack(chessboard, playerColor, position, position.Add(upLeft)));
acumulator.Add(CanMoveOrAttack(chessboard, playerColor, position, position.Add(upRight)));
acumulator.Add(CanMoveOrAttack(chessboard, playerColor, position, position.Add(downLeft)));
acumulator.Add(CanMoveOrAttack(chessboard, playerColor, position, position.Add(downRight)));
}
}
}
acumulator.RemoveAll(x => x == null);
return(acumulator);
}
