public CellGroup GetGrid(int gridNumber)
{
if (gridNumber < 0 || gridNumber > 8)
{
throw new ArgumentOutOfRangeException("gridNumber", "gridNumber must be between 0 and 8");
}
int currentCell = GridStartCells[gridNumber];
CellGroup group = new CellGroup();
int groupCell = 0;
for (int y = 0; y < 3; y++)
{
for (int x = 0; x < 3; x++)
{
group.Cells[groupCell] = this.Cells[currentCell];
groupCell++;
currentCell += 1;
}
currentCell += 6;
}
return(group);
}
private static SodukuBoard CalculatePossibleValuesForRows(SodukuBoard board)
{
for (int i = 0; i < 9; i++)
{
CellGroup row = board.GetRow(i);
row.SetPossibleValues();
}
return(board);
}
private static SodukuBoard CalculatePossibleValuesForColumns(SodukuBoard board)
{
for (int i = 0; i < 9; i++)
{
CellGroup column = board.GetColumn(i);
column.SetPossibleValues();
}
return(board);
}
private static SodukuBoard CalculatePossibleValuesForGrids(SodukuBoard board)
{
for (int i = 0; i < 9; i++)
{
CellGroup grid = board.GetGrid(i);
grid.SetPossibleValues();
}
return(board);
}
public CellGroup GetColumn(int columnNumber)
{
if (columnNumber < 0 || columnNumber > 8)
{
throw new ArgumentOutOfRangeException("columnNumber", "columnNumber must be between 0 and 8");
}
CellGroup group = new CellGroup();
int currentCell = columnNumber;
for (int i = 0; i < 9; i++)
{
group.Cells[i] = this.Cells[currentCell];
currentCell += 9;
}
return(group);
}
public CellGroup GetRow(int rowNumber)
{
if (rowNumber < 0 || rowNumber > 8)
{
throw new ArgumentOutOfRangeException("rowNumber", "rowNumber must be between 0 and 8");
}
int firstCell = rowNumber * 9;
CellGroup group = new CellGroup();
for (int i = 0; i < 9; i++)
{
group.Cells[i] = this.Cells[firstCell + i];
}
return(group);
}