public void ChangeFlagTypeTest()
{
Cell cell = new Cell();
var flagType = PassDifferentFlagType(cell,FlagType.None);
Assert.IsTrue(flagType == FlagType.Mine, "Flag Type is changed to Mine when None is flagged");
flagType = PassDifferentFlagType(cell, FlagType.Mine);
Assert.IsTrue(flagType == FlagType.Flag, "Flag Type is changed to Flag a Mine is flagged?");
flagType = PassDifferentFlagType(cell, FlagType.Flag);
Assert.IsTrue(flagType == FlagType.None, "Flag Type is changed to None when flagged?");
}
public static IEnumerable<Cell> CalculateFlippedCell(Cell cell)
{
var result = new List<Cell>();
cell.FlagType = FlagType.Flip;
//If any adjacent is a Mine, mark as flipped
foreach (var b in cell.AllAdjacentCells.Where(x => x.IsCountable))
{
b.FlagType = FlagType.Flip;
}
result.Add(cell);
//If any adjacent cell is not a Mine, recurse to open other adjacent cells
foreach (var b in cell.AllAdjacentCells.Where(x => x.IsFlippable))
{
result.AddRange(CalculateFlippedCell(b));
}
return result;
}
/* Method to open a current cell,
* if Mine -> Flip
* if Not Mine -> Calculate adjacent cells
* */
public static void OpenCurrentCell(Cell cell)
{
if (cell.CellType == CellType.Mine)
{
cell.FlagType = FlagType.Flip;
}
else if (cell.FlagType == FlagType.None)
{
Board.CalculateFlippedCell(cell);
}
}
public static FlagType ChangeFlagType(Cell cell)
{
switch (cell.FlagType)
{
case FlagType.None:
cell.FlagType = FlagType.Mine;
break;
case FlagType.Mine:
cell.FlagType = FlagType.Flag;
break;
case FlagType.Flag:
cell.FlagType = FlagType.None;
break;
default:
break;
}
return cell.FlagType;
}
private static FlagType PassDifferentFlagType(Cell cell, FlagType flagType)
{
cell.FlagType = flagType;
var flagTypeValue = Cell.ChangeFlagType(cell);
return flagTypeValue;
}