public bool CheckForCheck(Grid grid, int kingId, int kingX, int kingY)
{
string color = grid.GetByPieceId(kingId).Piece.Color;
foreach (var p in grid.Map)
{
if (p.Piece != null && p.Piece.Color != color)
{
if (_moveChecker.ValidMove(grid, p.Piece.Id, kingY, kingX))
{
return(true);
}
}
}
return(false);
}
private List <MoveSet> FindPossibleMoves(GridCell cell)
{
List <MoveSet> moveSets = new List <MoveSet>();
for (int y = 1; y <= 8; y++)
{
for (int x = 1; x <= 8; x++)
{
if (_moveChecker.ValidMove(_grid, cell.Piece.Id, y, x))
{
_grid.MovePiece(cell.Piece.Id, x, y);
var piece = _grid.GetByCoords(x, y).Piece;
var king = _grid.GetKingByColor(piece.Color);
if (!_checkChecker.CheckForCheck(_grid, king.Piece.Id, king.XCoord, king.YCoord))
{
MoveSet move = new MoveSet()
{
XCoord = x,
YCoord = y,
Piece = piece,
Score = 16
};
moveSets.Add(move);
}
_grid.RevertHistory();
}
}
}
return(moveSets);
}
public bool MakeMove(int pieceId, int newX, int newY)
{
var currentColorsTurn = WhitesTurn ? "White" : "Black";
var opponentsColor = WhitesTurn ? "Black" : "White";
var cell = Grid.GetByPieceId(pieceId);
if (cell == null)
{
return(false);
}
if (cell != null && cell.Piece.Color != currentColorsTurn)
{
return(false);
}
if (!_moveChecker.ValidMove(Grid, pieceId, newY, newX))
{
return(false);
}
Grid.MovePiece(pieceId, newX, newY);
if (CheckForCheck(currentColorsTurn))
{
Grid.RevertHistory();
return(false);
}
CheckForCheckMate(opponentsColor);
WhitesTurn = !WhitesTurn;
return(true);
}