private void CellSelected(object sender, RoutedEventArgs e)
{
var cell = e.ButtonTag <Cell>();
if (cell.Figure.Side == Core.Board.Side.Empty)
{
MakeMove(this, null);
}
else
{
AvailableMoves.Clear();
if (WalkMoves.TryGetValue(cell.Figure, out var figureMoves) && figureMoves.Length > 0)
{
foreach (var move in figureMoves.Select((gameMove, i) => new MovesModel($"{i + 1}", i, gameMove)))
{
AvailableMoves.Add(move);
}
}
}
SelectedFigure = cell.Figure;
foreach (var c in Cells)
{
if (c.Type == PieceType.None)
{
c.Active = false;
}
}
}
/// <summary>
/// Adds the move in list of available moves for the specific match
/// </summary>
/// <returns><c>true</c>, if move was added, <c>false</c> otherwise.</returns>
/// <param name="move">Move.</param>
public bool AddMove(Move move)
{
if (AvailableMoves.FindIndex(a => a.Label.ToLower() == move.Label.ToLower()) == -1)
{
AvailableMoves.Add(move);
return(true);
}
else
{
WriteLine("Move with label {0} exists!", move.Label);
}
return(false);
}
public override void GeneratePossibleMoves(ChessGridInfo grid, ChessGridInfo gridCopy, ChessPlayer playerCopy,
ChessPlayer enemyCopy, bool checkMovesValidity, bool checkSpecialMoves)
{
AvailableMoves.Clear();
Vector2Int newSquare = Vector2Int.zero;
for (int i = 0; i < possibleDirections.GetLength(0); i++)
{
if (i == 1 && MovedFirstTime)
{
break;
}
int newX = SquareIndex.x + possibleDirections[i, 0];
int newY = SquareIndex.y + possibleDirections[i, 1];
newSquare.Set(newX, newY);
if (grid.CheckIfSquareIndexIsValid(newSquare))
{
Piece piece = grid.GetPieceOnSquareIndex(newSquare);
Move move = CheckPromotionFlag(newSquare, piece);
if (checkMovesValidity && piece == null)
{
Piece attackedPieceCopy = piece == null ? null : gridCopy.GetPieceOnSquareIndex(piece.SquareIndex);
Move moveCopy = new Move(gridCopy.GetPieceOnSquareIndex(SquareIndex), newSquare, attackedPieceCopy, move.PromotionFlag);
bool areMovesValid = CheckIfMoveIsValid(gridCopy, playerCopy, enemyCopy, moveCopy);
if (!areMovesValid)
{
continue;
}
}
if (piece == null)
{
AvailableMoves.Add(move);
}
else
{
break;
}
}
}
PieceAttack(grid, gridCopy, playerCopy, enemyCopy, checkMovesValidity);
EnPassant(grid, gridCopy, playerCopy, enemyCopy, checkMovesValidity);
}
public void AddMove(CheckMovesData checkMovesData, int offset)
{
if (!checkMovesData._valid)
{
return;
}
Move thisMove = new Move();
thisMove.startPosition = position;
thisMove.endPosition = position + checkMovesData.i * offset;
thisMove.piece = this;
AvailableMoves.Add(thisMove);
}
public override void GeneratePossibleMoves(ChessGridInfo grid, ChessGridInfo gridCopy, ChessPlayer playerCopy,
ChessPlayer enemyCopy, bool checkMovesValidity, bool checkSpecialMoves)
{
AvailableMoves.Clear();
Vector2Int newSquare = Vector2Int.zero;
for (int i = 0; i < possibleDirections.GetLength(0); i++)
{
int newX = SquareIndex.x + possibleDirections[i, 0];
int newY = SquareIndex.y + possibleDirections[i, 1];
newSquare.Set(newX, newY);
if (grid.CheckIfSquareIndexIsValid(newSquare))
{
Piece piece = grid.GetPieceOnSquareIndex(newSquare);
Move move = new Move(this, newSquare, piece);
if (checkMovesValidity && piece != null && piece.PieceType == PieceType.King)
{
continue;
}
if (checkMovesValidity && (piece == null || (piece != null && piece.TeamColor != TeamColor)))
{
Piece attackedPieceCopy = piece == null ? null : gridCopy.GetPieceOnSquareIndex(piece.SquareIndex);
Move moveCopy = new Move(gridCopy.GetPieceOnSquareIndex(SquareIndex), newSquare, attackedPieceCopy);
bool areMovesValid = CheckIfMoveIsValid(gridCopy, playerCopy, enemyCopy, moveCopy);
if (!areMovesValid)
{
continue;
}
}
if (piece == null)
{
AvailableMoves.Add(move);
}
else if (piece != null && TeamColor != piece.TeamColor)
{
AvailableMoves.Add(move);
}
}
}
}
private void PieceAttack(ChessGridInfo grid, ChessGridInfo gridCopy, ChessPlayer playerCopy,
ChessPlayer enemyCopy, bool checkMovesValidity)
{
Vector2Int newSquare = Vector2Int.zero;
for (int i = 0; i < possibleAttacks.GetLength(0); i++)
{
int newX = SquareIndex.x + possibleAttacks[i, 0];
int newY = SquareIndex.y + possibleAttacks[i, 1];
newSquare.Set(newX, newY);
if (grid.CheckIfSquareIndexIsValid(newSquare))
{
Piece piece = grid.GetPieceOnSquareIndex(newSquare);
Move move = CheckPromotionFlag(newSquare, piece);
if (checkMovesValidity && piece != null && piece.PieceType == PieceType.King)
{
continue;
}
if (checkMovesValidity && (piece != null && piece.TeamColor != TeamColor))
{
Piece attackedPieceCopy = piece == null ? null : gridCopy.GetPieceOnSquareIndex(piece.SquareIndex);
Move moveCopy = new Move(gridCopy.GetPieceOnSquareIndex(SquareIndex), newSquare, attackedPieceCopy, move.PromotionFlag);
bool areMovesValid = CheckIfMoveIsValid(gridCopy, playerCopy, enemyCopy, moveCopy);
if (!areMovesValid)
{
continue;
}
}
if (piece != null && TeamColor != piece.TeamColor)
{
AvailableMoves.Add(move);
}
}
}
}
private void EnPassant(ChessGridInfo grid, ChessGridInfo gridCopy, ChessPlayer playerCopy,
ChessPlayer enemyCopy, bool checkMovesValidity)
{
int[,] directions = { { -1, 0 }, { 1, 0 } };
Vector2Int newSquare = Vector2Int.zero;
for (int i = 0; i < directions.GetLength(0); i++)
{
int newX = SquareIndex.x + directions[i, 0];
int newY = SquareIndex.y + directions[i, 1];
newSquare.Set(newX, newY);
if (grid.CheckIfSquareIndexIsValid(newSquare))
{
Piece piece = grid.GetPieceOnSquareIndex(newSquare);
Vector2Int square = new Vector2Int(SquareIndex.x + enPassantMoves[i, 0], SquareIndex.y + enPassantMoves[i, 1]);
Move move = CheckPromotionFlag(square, piece);
if (checkMovesValidity && piece != null && piece.PieceType == PieceType.Pawn && piece == grid.PieceMovedInPreviousTurn &&
Mathf.Abs(piece.SquareIndex.y - piece.PreviousSquareIndex.y) == 2 && piece.SquareIndex.x == piece.PreviousSquareIndex.x)
{
Piece attackedPieceCopy = piece == null ? null : gridCopy.GetPieceOnSquareIndex(piece.SquareIndex);
Move moveCopy = new Move(gridCopy.GetPieceOnSquareIndex(SquareIndex), square, attackedPieceCopy, move.PromotionFlag);
bool areMovesValid = CheckIfMoveIsValid(gridCopy, playerCopy, enemyCopy, moveCopy);
if (!areMovesValid)
{
continue;
}
}
if (piece != null && piece.PieceType == PieceType.Pawn && piece == grid.PieceMovedInPreviousTurn &&
Mathf.Abs(piece.SquareIndex.y - piece.PreviousSquareIndex.y) == 2 && piece.SquareIndex.x == piece.PreviousSquareIndex.x)
{
AvailableMoves.Add(move);
break;
}
}
}
}
private void Castling(ChessGridInfo grid, ChessGridInfo gridCopy, ChessPlayer enemyCopy)
{
if (MovedFirstTime)
{
return;
}
enemyCopy.GenerateAllPossibleMoves(gridCopy, false, false);
if (enemyCopy.IsFieldUnderAttack(SquareIndex))
{
return;
}
int kingRow = SquareIndex.y;
Piece leftRook = grid.GetPieceOnSquareIndex(new Vector2Int(0, kingRow));
Piece rightRook = grid.GetPieceOnSquareIndex(new Vector2Int(ChessGridInfo.GRID_SIZE - 1, kingRow));
if (leftRook != null && leftRook.PieceType == PieceType.Rook && leftRook.TeamColor == TeamColor &&
!leftRook.MovedFirstTime && leftRook.SquareIndex.y == SquareIndex.y)
{
bool isLeftCastlingPossible = true;
Vector2Int square = Vector2Int.zero;
for (int i = leftRook.SquareIndex.x + 1; i < SquareIndex.x; i++)
{
square.Set(i, kingRow);
if (gridCopy.GetPieceOnSquareIndex(square) != null ||
(i > 1 && enemyCopy.IsFieldUnderAttack(square)))
{
isLeftCastlingPossible = false;
break;
}
}
if (isLeftCastlingPossible)
{
Move move = new Move(this, new Vector2Int(2, kingRow), null, false, true, leftRook, new Vector2Int(3, kingRow));
AvailableMoves.Add(move);
}
}
if (rightRook != null && rightRook.PieceType == PieceType.Rook && rightRook.TeamColor == TeamColor &&
!rightRook.MovedFirstTime && rightRook.SquareIndex.y == SquareIndex.y)
{
bool isRightCastlingPossible = true;
Vector2Int square = Vector2Int.zero;
for (int i = SquareIndex.x + 1; i < rightRook.SquareIndex.x; i++)
{
square.Set(i, kingRow);
if (gridCopy.GetPieceOnSquareIndex(square) != null || enemyCopy.IsFieldUnderAttack(square))
{
isRightCastlingPossible = false;
break;
}
}
if (isRightCastlingPossible)
{
Move move = new Move(this, new Vector2Int(6, kingRow), null, false, true, rightRook, new Vector2Int(5, kingRow));
AvailableMoves.Add(move);
}
}
}