private static SudokuNumber Rotate(SudokuNumber a_number, SudokuBoard a_board)
{
int col_r = a_number.Col;
int row_r = a_number.Row;
Rotate(ref col_r, ref row_r);
return(a_board[col_r, row_r][a_number.Number - 1]);
}
internal void OnCellChanged(SudokuNumber a_number)
{
m_bSolved = null;
m_bSolvable = null;
if (BoardChanged != null)
{
BoardChanged(a_number);
}
}
internal SudokuCell(SudokuBoard a_board, int a_col, int a_row)
{
m_board = a_board;
m_numbers = new SudokuNumber[SudokuBoard.SIZE];
m_row = a_row;
m_col = a_col;
m_index = a_row * SudokuBoard.SIZE + a_col;
m_box = new Point(m_col / SudokuBoard.BOX_SIZE, m_row / SudokuBoard.BOX_SIZE);
for (int i = 1; i <= SudokuBoard.SIZE; i++)
{
m_numbers[i - 1] = new SudokuNumber(this, i);
}
}
public override bool Equals(object a_obj)
{
if (a_obj == null)
{
return(false);
}
if (ReferenceEquals(this, a_obj))
{
return(true);
}
SudokuNumber num = a_obj as SudokuNumber;
if (num == null)
{
return(false);
}
return((m_state == num.State) &&
(num.Index == Index) &&
(m_number == num.Number));
}
internal void CopyFrom(SudokuNumber a_number)
{
m_state = a_number.State;
m_cell.OnNumberChanged(null);
}
internal void OnNumberChanged(SudokuNumber a_number)
{
Board.OnCellChanged(a_number);
}