public Boolean makeMove(Move move)
{
if (move == null)
return false;
if (!isValidSquare(move.To) || !isValidSquare(move.From))
return false;
Piece from = this.getPiece(move.From);
if (from == null)
return false;
if (from.PieceColor != CurrentColor)
return false;
Piece to = this.getPiece(move.To);
if (to != null && to.PieceColor == CurrentColor)
return false;
if (from.isValidMove(move)) {
this.board[move.To.x, move.To.y] = from;
this.board[move.From.x, move.From.y] = null;
PreviousMove lastMove = new PreviousMove();
lastMove.Move = move;
lastMove.FromPiece = from;
lastMove.ToPiece = to;
lastMove.CurrentState = this.State;
lastMove.CurrentColor = this.CurrentColor;
lastMove.CurrentTurn = this.CurrentTurn;
lastMove.CurrentHash = this.Hash;
this.lastMoves.Push(lastMove);
if (from.PieceType == Piece.Type.p) {
if (from.PieceColor == Piece.Color.Black) {
if (move.To.x == HEIGHT - 1) {
Piece nq = new Piece(Piece.Type.q, from.PieceColor);
this.board[move.To.x, move.To.y] = nq;
}
}
else {
if (move.To.x == 0) {
Piece nq = new Piece(Piece.Type.q, from.PieceColor);
this.board[move.To.x, move.To.y] = nq;
}
}
}
this.Hash = 0;
if (to != null && to.PieceType == Piece.Type.k)
this.State = from.PieceColor == Piece.Color.Black ? BoardState.BlackWinner : BoardState.WhiteWinner;
else {
this.CurrentColor = this.CurrentColor == Piece.Color.Black ? Piece.Color.White : Piece.Color.Black;
if (this.CurrentColor == Piece.Color.White)
++this.CurrentTurn;
if (CurrentTurn > 40)
this.State = BoardState.Draw;
}
return true;
}
return false;
}
public Boolean setPiece(Square square, Piece piece)
{
if (isValidSquare(square)) {
this.board[square.x, square.y] = piece;
return true;
}
return false;
}
public List<Move> getMoves(Piece.Color c)
{
List<Move> list = MoveCache.getValueByHash(this.Hash);
if (list == null) {
list = new List<Move>();
for (int x = 0; x < HEIGHT; ++x) {
for (int y = 0; y < WIDTH; ++y) {
Piece p = board[x, y];
if (p != null && p.PieceColor == c) {
list.AddRange(getPieceMoves(new Square(x, y)));
}
}
}
MoveCache.storeValue(this.Hash, list);
}
if (list.Count < 1)
this.State = CurrentColor == Piece.Color.Black ? BoardState.WhiteWinner : BoardState.BlackWinner;
return list;
}