public int hint(bool black)
{
int score = -1;
isBlack = black;
int[,] scores = new int[8, 8];
int maxR = 0;
int maxC = 0;
for (int r = 0; r < 8; r++)
{
for (int c = 0; c < 8; c++)
{
Space here = board.board[r, c];
if (here.status != 0)
{
continue;
}
here.placeDisc(black);
int flips = findFlips(here, true);
toFlip.Clear();
if (flips > 0)
{
//MessageBox.Show(r+","+c+" has "+flips);
scores[r, c] = flips;
toHint.Add(here);
if (flips > scores[maxR, maxC])
{
maxR = r;
maxC = c;
} //if max
} // if positive (unnec?)
here.eraseDisc();
} //for c
} //for r
//MessageBox.Show("max is " + scores[maxR, maxC] + " at " + maxR + ", " + maxC);
if (scores[maxR, maxC] == 0)
{
return(0);
}
Space max = board.board[maxR, maxC];
//MessageBox.Show("Max is at " + maxR + "," + maxC + " with flips: "+scores[maxR,maxC]);
foreach (Space spot in toHint)
{
//spot.placeDisc(!isBlack);
//findFlips(spot, true);
//spot.highLight();
}
//max.placeDisc(!isBlack);
//findFlips(max, true);
toHint.ForEach(hint);
toFlip.ForEach(highlight);
//max.highLight();
//return score
// max.unhighLight();
toFlip.Clear();
//if (score == -1)
//{
// return -1;
//}
//if (black)
//{
// blackPlayer.decCount();
// blackStack.drawStack(blackPlayer.discsLeft);
// blackPlayer.raiseScore(score + 1);
// whitePlayer.lowerScore(score);
//}
//else
//{
// whitePlayer.decCount();
// whiteStack.drawStack(whitePlayer.discsLeft);
// whitePlayer.raiseScore(score + 1);
// blackPlayer.lowerScore(score);
//}
return(score);
}//method
public static void unhint(Space s)
{
s.unhint(isBlack);
}
public static void confirmHint(Space s)
{
s.confirmHint(isBlack);
}
public static void hint(Space s)
{
s.hint(isBlack);
}
public static void unhighlight(Space s)
{
s.unhighLight();
}
public static void confirm(Space s)
{
s.confirm();
}
} //method
public static void highlight(Space s)
{
s.highLight();
}
public int findFlips(Space sp, bool isHintSearch)
{
int score = -1;
for (int d = 0; d < 8; d++)
{
List <Space> tentative = new List <Space>();
Space m = next(sp, d);
while (m != null && m.status != 0 && m.status != sp.status)
{
tentative.Add(m);
m = next(m, d);
}
if (m == null || m.status == 0)
{
tentative.Clear();
}
else if (m.status != sp.status)
{
tentative.Clear();
}
else if (m.status == sp.status)
{
tentative.Remove(m);
toFlip.AddRange(tentative);
}
else
{
MessageBox.Show("last space is: " + m.status);
}
}//for each direction
//MessageBox.Show("Number to flip: " + toFlip.Count());
if (!isHintSearch)
{
if (toFlip.Count() <= 0)
{
MessageBox.Show("Illegal move! Try again!");
sp.eraseDisc();
return(-1);
//bad move!
}
else
{
toFlip.ForEach(highlight);
toFlip.ForEach(confirm);
//return score
score = toFlip.Count();
//toFlip.Clear();
return(score);
/*
* DialogResult answer = MessageBox.Show("Confirm that move?", "Confirm?", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
* if (answer == DialogResult.Yes)
* {
* toFlip.ForEach(confirm);
* //return score
* score = toFlip.Count();
* toFlip.Clear();
* return score;
* }
*
* else if (answer == DialogResult.No)
* {
* toFlip.ForEach(unhighlight);
* //return score
* sp.eraseDisc();
* sp.unhighLight();
* toFlip.Clear();
* return -1;
* }
*/
return(score);
} //flips pos
} //is hint search
return(toFlip.Count());
} //method