private static void TryHorizontalLines(PictureDescription descriptor, Solution solution, ref Command? bestCommand, ref int bestScore)
{
for (int y = 0; y < descriptor.NumRows; ++y)
{
for (int x = 0; x < descriptor.NumCols;)
{
int startX = x;
int endX = x;
bool skipped = false;
int score = 0;
for (;;)
{
if (x >= descriptor.NumCols)
{
break;
}
if (descriptor.IsFilled(x, y))
{
if (!solution.IsFilled(x, y))
{
++score;
endX = x;
}
} else if (skipped)
{
skipped = true;
} else
{
++x;
break;
}
++x;
}
int len = endX - startX + 1;
if (len > 0)
{
if (score > 0 && score > bestScore)
{
var command = solution.MakeHorizontalLine(startX, y, len);
if (score > bestScore)
{
bestCommand = command;
bestScore = score;
}
}
}
}
}
}
public void AddCommand(Command command)
{
commands.Add(command);
}