private long SingleHeuristic(byte lastMoveMark, int i0, int j0, byte goodMark)
{
long[] sums = new long[4] {
1, 1, 1, 1
};
long[] lens = new long[4] {
1, 1, 1, 1
};
long[] gaps = new long[4];
RowOpenClose[] ends = new RowOpenClose[8];
for (int i = 1; i <= 5; ++i)
{
this.CheckCellInRow(goodMark, i0 + i, j0, 0, 0, lens, sums, ends, gaps);
this.CheckCellInRow(goodMark, i0 - i, j0, 0, 1, lens, sums, ends, gaps);
this.CheckCellInRow(goodMark, i0, j0 + i, 1, 2, lens, sums, ends, gaps);
this.CheckCellInRow(goodMark, i0, j0 - i, 1, 3, lens, sums, ends, gaps);
this.CheckCellInRow(goodMark, i0 + i, j0 + i, 2, 4, lens, sums, ends, gaps);
this.CheckCellInRow(goodMark, i0 - i, j0 - i, 2, 5, lens, sums, ends, gaps);
this.CheckCellInRow(goodMark, i0 + i, j0 - i, 3, 6, lens, sums, ends, gaps);
this.CheckCellInRow(goodMark, i0 - i, j0 + i, 3, 7, lens, sums, ends, gaps);
}
for (int i = 0; i < ends.Length; ++i)
{
if (ends[i] == RowOpenClose.Unknown)
{
ends[i] = RowOpenClose.Open;
}
}
long globalSum = 0;
int sumMore3Count = 0;
for (int i = 0; i < sums.Length; ++i)
{
var weightedSum = this.GetWeightedSum(lastMoveMark, goodMark, lens[i], sums[i], gaps[i], ends[i * 2], ends[(i * 2) + 1], ref sumMore3Count);
if (weightedSum >= long.MaxValue / 10000)
{
return(weightedSum);
}
globalSum += weightedSum;
}
return(globalSum);
}
private long GetWeightedSum(byte lastMoveMark, byte goodMark, long len, long sum, long gap, RowOpenClose end1, RowOpenClose end2, ref int sumMore3Count)
{
if (len < 5)
{
sum = 0;
}
if (gap == 1)
{
sum--;
}
if (gap > 1)
{
sum = 1;
}
if (sum >= 5)
{
return((long.MaxValue / 10000) + 3);
}
if (this.IsHaveAdvantage(lastMoveMark, goodMark) && sum == 4 && (end1 == RowOpenClose.Open || end2 == RowOpenClose.Open))
{
return((long.MaxValue / 10000) + 2);
}
if (this.IsHaveAdvantage(lastMoveMark, goodMark) && sum == 3 && (end1 == RowOpenClose.Open && end2 == RowOpenClose.Open))
{
return((long.MaxValue / 10000) + 1);
}
if (sum == 4 && end1 == RowOpenClose.Open && end2 == RowOpenClose.Open)
{
return((long.MaxValue / 10000) + 2);
}
if (sum >= 3 && end1 == RowOpenClose.Open && end2 == RowOpenClose.Open)
{
sumMore3Count++;
if (sumMore3Count >= 2)
{
return((long.MaxValue / 10000) + 1);
}
}
long weightedSum = sum;
if (end1 == RowOpenClose.Close && end2 == RowOpenClose.Close)
{
weightedSum *= 1;
}
else if (end1 == RowOpenClose.Close || end2 == RowOpenClose.Close)
{
weightedSum *= 10;
}
else
{
weightedSum *= 100;
}
if (this.IsHaveAdvantage(lastMoveMark, goodMark))
{
weightedSum *= 1000;
}
return(weightedSum);
}
