public FigureOnSquare(Figure figure, Square square)
{
this.figure = figure;
this.square = square;
}
//fourth level of ai
public int calcBestMove(int depth, int alpha, int beta, bool own)
{
if (depth == 0)
{
return(-evaluateBoard());
}
generate();
int bestMoveValue;
if (own)
{
bestMoveValue = Int32.MinValue;
}
else
{
bestMoveValue = Int32.MaxValue;
}
foreach (String s in availablesMoves)
{
lastPickedFigurePosition = new Point(s[0], s[1]);
Figure f = board.fields[lastPickedFigurePosition.X, lastPickedFigurePosition.Y];
Point p = new Point(s[2], s[3]);
if (board.fields[p.X, p.Y] != null && board.fields[p.X, p.Y].color != color)
{
lastPickedFigure = board.fields[p.X, p.Y];
board.fields[p.X, p.Y] = f;
board.fields[lastPickedFigurePosition.X, lastPickedFigurePosition.Y] = null;
changed = true;
}
value = calcBestMove(depth - 1, alpha, beta, !own);
if (own)
{
if (value > bestMoveValue)
{
bestMove = s;
bestMoveValue = value;
}
}
else
{
if (value < bestMoveValue)
{
bestMove = s;
bestMoveValue = value;
}
beta = Math.Min(beta, value);
}
if (beta <= alpha)
{
break;
}
}
return(value);
}
public int rating(String request)
{
Point fp = new Point(request[0].ToString() + request[1].ToString());
Point mp = new Point(request[2].ToString() + request[3].ToString());
current = board.fields[fp.X, fp.Y];
target = board.fields[mp.X, mp.Y];
if (!ai || turn == 'w')
{
//if user chose no figure (empty field)
if (current == null)
{
return(0);
}
//if user chose no its own figure (opponent figure chosen)
if (current.color != c.color)
{
return(0);
}
//if user want to move its own figure above its own figure w to w, b to b
if (target != null && target.color == current.color)
{
return(0);
}
current.generateAllowedMoves();
if (!current.matrix[mp.X, mp.Y])
{
return(0);
}
}
//removed hit figure
if (target != null)
{
nc.figures.Remove(target);
board.fields[mp.X, mp.Y] = null;
}
current.move(mp);
board.fields[mp.X, mp.Y] = current;
board.fields[fp.X, fp.Y] = null;
c.movements++;
if (checkForMate())
{
return(2);
}
int n = (c.color == 'w') ? 0 : 7;
if (current.type == 'P' && current.pos.X == n)
{
int z = c.figures.IndexOf(current);
c.figures[z] = new Queen(ref board, current.pos, c.color);
}
Player p = c;
c = nc;
nc = p;
turn = c.color;
System.Threading.Thread.Sleep(350);
return(1);
}