/// <summary>
/// Finds the Region that contains the specified coordinates
/// </summary>
/// <param name="Row"></param>
/// <param name="Col"></param>
/// <returns></returns>
private SudokuRegion.RegionTemplate FindRegionAt(int Row, int Col)
{
SudokuRegion.RegionTemplate RegionOut = null;
foreach (SudokuRegion.RegionTemplate Region in Regions)
{
if (Region.ContainsCoord(Row, Col))
{
RegionOut = Region;
break;
}
}
return(RegionOut);
}
public void StartSolver(Sudoku pBoard, int threadNum)
{
Board = pBoard;
int[,] BoardTemplate = new int[Board.Dimension, Board.Dimension];
Regions = new SudokuRegion.RegionTemplate[Board.Dimension];
for (int i = 0; i < Board.Dimension; i++)
{
Regions[i] = new SudokuRegion.RegionTemplate(Board.Regions[i]);
for (int j = 0; j < Board.Dimension; j++)
{
BoardTemplate[i, j] = 0;
}
}
Tetros = new Tetromino.TetroTemplate[Board.Tetrominos.Count];
for (int t = 0; t < Board.Tetrominos.Count; t++)
{
Tetros[t] = new Tetromino.TetroTemplate(Board.Tetrominos[t]);
}
PartialSolve(BoardTemplate);
}
/// <summary>
/// Checks if a number value is unique for a row, column, tetro and region on the partial solution
/// </summary>
/// <param name="Row"></param>
/// <param name="Col"></param>
/// <param name="newValue"></param>
/// <returns></returns>
private bool CheckValueTemplate(int newValue, int Row, int Col, int[,] BoardTemplate)
{
//Console.Write(">> Testing... ");
bool aptValue = true;
SudokuRegion.RegionTemplate Region = FindRegionAt(Row, Col);
Tetromino.TetroTemplate Tetro = FindTetroAt(Row, Col);
if ((Region != null && Region.CheckNumber(newValue, Row, Col, BoardTemplate)) || (Tetro != null && Tetro.CheckNumber(newValue, Row, Col, BoardTemplate)))
{
aptValue = false;
}
else
{
int RowCell, ColCell;
for (int i = 0; i < Board.Dimension && aptValue; i++)
{
RowCell = BoardTemplate[Row, i];
ColCell = BoardTemplate[i, Col];
if (RowCell == newValue && i != Col)
{
aptValue = false;
//Console.WriteLine("Found number on same row");
}
else if (ColCell == newValue && i != Row)
{
aptValue = false;
//Console.WriteLine("Found number on same column");
}
}
}
/*
* if (aptValue)
* Console.WriteLine(" Passed!");
* //*/
return(aptValue);
}
