/// <summary>
/// Returns all available cell for a penguins from an origin cell
/// </summary>
/// <param name="board"></param>
/// <param name="origin"></param>
/// <param name="direction"></param>
/// <returns></returns>
public static IList<Cell> GetAvailableCells(this Cell[,] board, Cell origin, Direction direction)
{
var result = new List<Cell>();
Cell destination = null;
int xDest = 0;
switch (direction)
{
case Direction.Left:
if (origin.X > 0)
{
destination = board[origin.X - 1, origin.Y];
}
break;
case Direction.Right:
if (origin.X < 7)
{
destination = board[origin.X + 1, origin.Y];
}
break;
case Direction.TopLeft:
xDest = (origin.Y % 2 == 0) ? origin.X - 1 : origin.X;
if (xDest >= 0 && origin.Y > 0)
{
destination = board[xDest, origin.Y - 1];
}
break;
case Direction.TopRight:
xDest = (origin.Y % 2 == 0) ? origin.X : origin.X + 1;
if (xDest < 8 && origin.Y > 0)
{
destination = board[xDest, origin.Y - 1];
}
break;
case Direction.BottomLeft:
xDest = (origin.Y % 2 == 0) ? origin.X - 1 : origin.X;
if (xDest >= 0 && origin.Y < 7)
{
destination = board[xDest, origin.Y + 1];
}
break;
case Direction.BottomRight:
xDest = (origin.Y % 2 == 0) ? origin.X : origin.X + 1;
if (xDest < 8 && origin.Y < 7)
{
destination = board[xDest, origin.Y + 1];
}
break;
}
if (destination != null && destination.CellType == CellType.Fish)
{
result.Add(destination);
result.AddRange(board.GetAvailableCells(destination, direction));
}
return result;
}
/// <summary>
///
/// </summary>
/// <param name="board"></param>
/// <param name="origin"></param>
/// <returns></returns>
public static IList<Cell> GetAvailableCells(this Cell[,] board, Cell origin)
{
var result = new List<Cell>();
for (int i = 0; i <= 5; i++)
result.AddRange(board.GetAvailableCells(origin, (Direction)i));
return result;
}
/// <summary>
///
/// </summary>
/// <param name="board"></param>
/// <param name="origin"></param>
/// <returns></returns>
public static IList <Cell> GetNearCells(this Cell[,] board, Cell origin)
{
var result = new List <Cell>();
for (int i = 0; i <= 5; i++)
{
result.AddRange(board.GetAvailableCells(origin, (Direction)i, false));
}
return(result);
}
