static void PlayGame(Player p1, Player p2)
{
var b = new Board();
b.Draw();
var color = -1;
var p = new[] { p1, p2 };
var column = -1;
while (true)
{
column = p[(color + 1) / 2].SelectMove(b, column, color);
var m = new Move(column, color);
var win = b.IsWinningMove(m);
Console.WriteLine("playing " + m.Column);
Console.WriteLine();
b.DoMove(m);
b.Draw();
if (win)
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("good game");
break;
}
color = -color;
}
}
protected static int Win(Board b, int color)
{
foreach (var m in PossibleMoves(b).Where(column => b.IsWinningMove(new Move(column, color))))
{
return(m);
}
return(-1);
}
int WinInXMoves(Board b, int color, int X)
{
var pm = PossibleMoves(b);
foreach (var column in pm)
{
if (b.IsWinningMove(new Move(column, color)))
{
return(column);
}
}
var oppWins = 0;
foreach (var column in PossibleMoves(b))
{
if (b.IsWinningMove(new Move(column, -color)))
{
pm = new List <int>()
{
column
};
oppWins++;
}
}
if (oppWins > 1)
{
return(-1);
}
foreach (var column in pm)
{
var copy = b.Copy();
copy.DoMove(new Move(column, color));
var winner = true;
foreach (var column2 in PossibleMoves(copy))
{
var copy2 = copy.Copy();
copy2.DoMove(new Move(column2, -color));
int m;
if (X <= 1)
{
m = Win(copy2, color);
}
else
{
m = WinInXMoves(copy2, color, X - 1);
}
if (m < 0)
{
winner = false;
break;
}
}
if (winner)
{
return(column);
}
}
return(-1);
}
