/// <summary>
/// This method will return the list of cells that meet the specification.
/// <param name="cell"> source cell, whose neighbours need to find </param>
/// <param name="specification">Actual specification, which need to pass by neighbours. </param>
/// <returns>return the cell collection which pass the specification. </returns>
public ICollection<Cell> FindNeighbourCells(Cell cell, ISpecification<Cell> specification)
{
if(cell == null)
throw new ArgumentNullException("Cell can't be empty");
List<Cell> cells = new List<Cell>();
int startRow;
int startCol;
int endRow;
int endCol;
int colIndex = cell.ColNumber;
int rowIndex = cell.RowNumber;
GetValidStartRowAndCol(rowIndex, colIndex, out startRow, out startCol);
GetValidEndRowAndCol(rowIndex, colIndex, out endRow, out endCol);
for (int xcoord = startRow; xcoord <= endRow; xcoord++)
{
for (int ycoord = startCol; ycoord <= endCol; ycoord++)
{
if (!(xcoord == rowIndex && ycoord == colIndex))
{
if (specification == null)
cells.Add(grid[xcoord, ycoord]);
else
if (specification.IsSpecificationMeet(grid[xcoord, ycoord]))
cells.Add(grid[xcoord, ycoord]);
}
}
}
return cells;
}
private static string GetUserInput(ref Cell[] cells)
{
string userinput = Console.ReadLine();
while (true)
{
try
{
cells = ValidateUserInput(userinput);
break;
}
catch (Exception)
{
Console.WriteLine("\n\n\n\n\nInvalid input! Read the instructions below and try again.\n\n");
PrintInstructions();
userinput = Console.ReadLine();
}
}
return userinput;
}
/// <summary>
/// Evolve the cell by applying rule.
/// </summary>
/// <param name="cell">cell to evolve.</param>
/// <returns> return the evolve cell.</returns>
public Cell CellToEvolve(Cell cell)
{
if(cell == null)
throw new ArgumentNullException("Cell can't be null.");
Cell purposecell = new Cell(cell.RowNumber, cell.ColNumber, false);
int aliveneighbours = this.neighbourRule.FindNeighbourCells(cell, aliveSpec).Count;
if (cell.IsAlive)
{
if (aliveneighbours == 2 || aliveneighbours == 3)
purposecell.IsAlive = true;
}
else if (aliveneighbours == 3)
{
purposecell.IsAlive = true;
}
return purposecell;
}
/// <summary>
///
/// </summary>
/// <param name="rowCount">row limit of the grid</param>
/// <param name="columnCount">column limit of the grid</param>
public Game(int rowCount, int columnCount)
{
if ((rowCount <= 0 || columnCount <= 0) || (rowCount > maxLimit || columnCount > maxLimit))
{
throw new ArgumentOutOfRangeException("The rowCount and columnCount should be greater than 0 and less than 10000.");
}
this.rowCount = rowCount;
this.colCount = columnCount;
cells = new Cell[rowCount][];
for (int rcount = 0; rcount < rowCount; rcount++ )
{
cells[rcount] = new Cell[columnCount];
for (int colCount = 0; colCount < columnCount; colCount++)
{
new Cell(rcount, colCount, false);
cells[rcount][colCount] = new Cell(rcount, colCount, false);
}
}
}
private static void SetAliveValue(Cell[] cells, Game grid)
{
// Initialize with values got as user input.
foreach (Cell cell in cells)
{
grid[cell.RowNumber, cell.ColNumber].IsAlive = true;
}
}