private static void GetCacheLineEmptySumMerges(int line)
{
double sumPower = Weights.SumPower;
var levels = BitBoardHandler.ToLevels((Line)line);
double lineSum = 0;
double lineEmpty = 0;
double lineMerges = 0;
int preLevel = 0;
int counter = 0;
for (int i = 0; i < 4; ++i)
{
int level = levels[i];
lineSum += Math.Pow(level, sumPower);
if (level == 0)
{
++lineEmpty;
}
else
{
if (preLevel == level)
{
++counter;
}
else if (counter > 0)
{
lineMerges += (1 + counter);
counter = 0;
}
preLevel = level;
}
}
if (counter > 0)
{
lineMerges += (1 + counter);
}
moveScores[line] +=
lineEmpty * Weights.EmptyWeight
+ lineMerges * Weights.MergeWeight
- lineSum * Weights.SumWeight;
}
private static void GetCacheLineMono(int line)
{
double monoPower = Weights.MoveMonoPower;
var levels = BitBoardHandler.ToLevels((Line)line);
double lineMonoLeft = 0;
double lineMonoRight = 0;
for (int i = 1; i < 4; ++i)
{
if (levels[i - 1] > levels[i])
{
lineMonoLeft += Math.Pow(levels[i - 1], monoPower) - Math.Pow(levels[i], monoPower);
}
else
{
lineMonoRight += Math.Pow(levels[i], monoPower) - Math.Pow(levels[i - 1], monoPower);
}
}
moveScores[line] -= Math.Min(lineMonoLeft, lineMonoRight) * Weights.MonoWeight;
}
private static void CacheLineSmooth(int line)
{
double smoothPower = Weights.SmoothPower;
var levels = BitBoardHandler.ToLevels((Line)line);
double lineSmooth = 0;
for (int i = 0; i < 3; ++i)
{
if (levels[i] > 0)
{
for (int j = i + 1; j < 4; ++j)
{
if (levels[j] > 0)
{
lineSmooth -= Math.Pow(Math.Abs(levels[i] - levels[j]), smoothPower);
break;
}
}
}
}
addScores[line] = lineSmooth * Weights.SmoothWeight;
}