/// <summary>
/// Suspend the visuals of the gamePanel until a board has been generated and is ready to view.
/// </summary>
/// <param name="size"></param>
private void CreateGame(int size, int width, int height)
{
// Hide the game panel.
gamePanel.Visible = false;
gamePanel.Controls.Clear();
// Get the flags (settings) for the new game.
BlockFlag gameMode = GetFlags();
grid = new SudokuGrid(width, height, size, gameMode);
ConnectCells();
// Show the game panel after cells are connected again.
gamePanel.ResumeLayout();
gamePanel.Visible = true;
}
/// <summary>
/// Initializes a new instance of the SudokuSolver.SudokuGrid class.
/// </summary>
public SudokuGrid(int width, int height, int size, BlockFlag gameMode = new BlockFlag())
{
this.width = width;
this.height = height;
this.size = size;
this.cells = GridOperations.Create(size);
var movement = new Movement(cells);
this.mapping = new Dictionary <Direction, Func <SudokuCell, SudokuCell> >
{
{ Direction.Up, cell => movement.Up(cell) },
{ Direction.Down, cell => movement.Down(cell) },
{ Direction.Left, cell => movement.Left(cell) },
{ Direction.Right, cell => movement.Right(cell) },
{ Direction.JumpForward, cell => movement.JumpForward(cell) },
{ Direction.JumpBackward, cell => movement.JumpBackward(cell) }
};
this.neighbors = Block.FindNeighbors(this, gameMode);
this.activeCell = cells[0, 0];
}
public static IDictionary <SudokuCell, IEnumerable <SudokuCell> > FindNeighbors(SudokuGrid grid, BlockFlag gameMode)
{
Dictionary <SudokuCell, IEnumerable <SudokuCell> > keyValuePairs = new Dictionary <SudokuCell, IEnumerable <SudokuCell> >();
foreach (var cell in grid.cells)
{
// Focus on the cell under inspection.
grid.activeCell = cell;
// Always get horizontal and vertical neighbors.
IEnumerable <SudokuCell> region = GetHorizontal(grid).Union(GetVertical(grid));
// Usually get nearby neighbors.
if (gameMode.Boxes)
{
region = region.Union(GetBox(cell, grid));
}
if (gameMode.XSudoku)
{
// Only look at true diagonals in XSudoku.
if (grid.activeCell.X + grid.activeCell.Y == grid.size - 1)
{
region = region.Union(BottomLeftToTopRight(grid));
}
if (grid.activeCell.X == grid.activeCell.Y)
{
region = region.Union(TopLeftToBottomRight(grid));
}
}
// Add region to dictionary for easy access later.
keyValuePairs[cell] = region;
}
return(keyValuePairs);
}