private static bool IsOpen(LineEnumerable line)
{
bool[] runs = new bool[] { true, true };
for (int run = 0; run < 2; run++)
{
int i = 0;
SquareT match = SquareT.Empty;
foreach (var item in line)
{
if (run == 0 ? i == 0 : i == Board.SideLen - 1)
{
i++;
continue;
}
if (item != SquareT.Empty && match == SquareT.Empty)
{
match = item;
}
if (item != SquareT.Empty && item != match)
{
runs[run] = false;
break;
}
i++;
}
}
return(runs[0] || runs[1]);
}
private static int RunLen(LineEnumerable line)
{
var t = MainRun(line);
int ret = 0;
foreach (var item in line)
{
if (item == t)
{
ret++;
}
}
return(ret);
}
private static SquareT MainRun(LineEnumerable line)
{
int x = 0, o = 0;
foreach (var item in line)
{
if (item == SquareT.X)
{
x++;
}
else if (item == SquareT.O)
{
o++;
}
}
return(x > o ? SquareT.X : SquareT.O);
}