private PuzzleArea(PuzzleBoard board)
{
Board = board;
EmptyCount = 0;
FilledCount = 0;
UndefinedCount = 0;
Positions = new List <Point>();
}
static public List <Point> GetNeigbours(PuzzleBoard board, Point center)
{
List <Point> result = new List <Point>();
for (int y = -2; y < 3; y++)
{
for (int x = -2; x < 3; x++)
{
if (y == 0 && x == 0)
{
continue;
}
Point pos = new Point(center.X + x, center.Y + y);
if (board.GetValue(pos) < 0 || board.GetValue(pos) > 9)
{
continue;
}
result.Add(pos);
}
}
return(result);
}
public PuzzleArea(PuzzleBoard board, Point center) : this(board)
{
for (int y = -1; y < 2; y++)
{
int posY = center.Y + y;
if (posY < 0 || posY >= board.Rows)
{
continue;
}
for (int x = -1; x < 2; x++)
{
int posX = center.X + x;
if (posX < 0 || posX >= board.Columns)
{
continue;
}
AddPosition(new Point(posX, posY));
}
}
int value = board.GetValue(center);
if (value < 0 || value > 9)
{
MaxFilled = 9 - EmptyCount;
MinFilled = FilledCount;
MaxEmpty = 9 - FilledCount;
MinEmpty = EmptyCount;
}
else
{
_involvedNumberPositions.Add(center);
MaxFilled = value;
MinFilled = MaxFilled;
MaxEmpty = Positions.Count - value;
MinEmpty = MaxEmpty;
}
RefreshDistincts();
}