コード例 #1
0
ファイル: Board.cs プロジェクト: sanjaypatel180621/chess
        // Method for switching figures on the board
        public Message switchFigures(Figure figure, coord position)
        {
            Player  player = new Player(getFieldFigureColor(position));
            Message result = new Message(false, "", "", player);

            this.fields [position.x, position.y] = figure;
            if (isCheck(player.next()))
            {
                result.msg = "check";
                if (isCheckMate(player.next(), new coord(0, 0)))
                {
                    result.msg = "checkmate";
                }
            }
            return(result);
        }
コード例 #2
0
ファイル: Board.cs プロジェクト: sanjaypatel180621/chess
        //check if the king will be in check after this move and don't allow it if it is
        private bool isCheck(Player player, coord start, coord end)
        {
            coord  king       = new coord();
            bool   noKing     = true;
            Figure removedObj = new Figure();
            bool   res        = false;

            //move the figure to the new position if the new positon is not the same as the old
            if (!start.Equals(end))
            {
                removedObj = this.fields [end.x, end.y];
                this.fields [end.x, end.y]     = this.fields [start.x, start.y];
                this.fields [start.x, start.y] = new Empty();
            }
            //search for the king on the board
            for (int x = 0; x < this.size.x; x++)
            {
                for (int y = 0; y < this.size.y; y++)
                {
                    if (this.fields [x, y].color == player.ToString() && getFieldFigureName(new coord(x, y)) == "King")
                    {
                        king   = new coord(x, y);
                        noKing = false;
                    }
                }
            }
            //if a king was found, try to move all figures to the position of the king,if that is possibile it means that the king is in check
            if (!noKing)
            {
                for (int x = 0; x < this.size.x && !res; x++)
                {
                    for (int y = 0; y < this.size.y && !res; y++)
                    {
                        //if a move is posiblie means the king is checked
                        if (checkMove(player.next(), new coord(x, y), king))
                        {
                            res = true;
                        }
                    }
                }
            }
            //revert the move so that the state of the board is the same as at the start of this function
            if (!start.Equals(end))
            {
                this.fields [start.x, start.y] = this.fields [end.x, end.y];
                this.fields [end.x, end.y]     = removedObj;
            }
            return(res);
        }
コード例 #3
0
 // Message for the initial state
 public Message initialState()
 {
     return(new Message(false, "", "", player.next()));
 }
コード例 #4
0
ファイル: Board.cs プロジェクト: sanjaypatel180621/chess
        // Method that return some message to player,for example if it is under check or under checkmate
        public Message Move(Player player, coord start, coord end)
        {
            Message result = new Message(false, "", "", player);

            if (doCastling(player, start, end))
            {
                return(result);
            }
            else if (doEnPassant(player, start, end))
            {
                return(result);
            }
            else if (checkMove(player, start, end) && !isCheck(player, start, end))
            {
                if (this.fields [end.x, end.y].GetType().Name != "Empty")
                {
                    this.removedFigures.Add(this.fields [end.x, end.y]);
                }
                this.fields [end.x, end.y]     = this.fields [start.x, start.y];
                this.fields [start.x, start.y] = new Empty();

                //check if with this move the other player will be in check or even checkmate
                if (isCheck(player.next()))
                {
                    result.msg = "check";
                    if (isCheckMate(player.next(), new coord(0, 0)))
                    {
                        result.msg = "checkmate";
                    }
                }
                if (this.getFieldFigureName(end) == "Pawn")
                {
                    ((Pawn)this.fields [end.x, end.y]).justMoved = true;
                }

                //remove all justMoved
                for (int x = 0; x < this.size.x; x++)
                {
                    for (int y = 0; y < this.size.y; y++)
                    {
                        if (this.fields [x, y].color == player.ToString() && getFieldFigureName(new coord(x, y)) == "Pawn")
                        {
                            ((Pawn)this.fields [x, y]).justMoved = false;
                        }
                    }
                }

                //set moved Pawn's justMoved to true;
                if (this.getFieldFigureName(end) == "Pawn" && (start.y + 2 == end.y || start.y - 2 == end.y))
                {
                    ((Pawn)this.fields [end.x, end.y]).justMoved = true;
                }
                if (this.getFieldFigureName(end) == "Pawn" && (end.y == 0 || end.y == 7))
                {
                    result.action = "chooser";
                }
                this.fields [end.x, end.y].hasMoved = true;
                isDraw(player.next(), new coord(0, 0));
                return(result);
            }
            result.error = true;
            return(result);
        }