public static List <int> GetEntireDiagonalByFile(int file, DiagonalDirectionFromFileNumber direction)
{
var list = new List <int>();
var increment = getDiagonalIncrement(direction);
var numberOfSquares = howFarToGo(file, direction);
var index = file;
for (int i = 0; i < numberOfSquares; i++)
{
list.Add(index);
index = index + increment;
}
return(list);
}
private void testDiagonalLine(int file, DiagonalDirectionFromFileNumber direction, List <int> squares)
{
var diagonalLine = DiagonalEngine.GetEntireDiagonalByFile(_gameState, file, direction);
TestUtility.ListContainsSquares(diagonalLine, squares);
}
public static List <Square> GetEntireDiagonalByFile(GameState gameState, int file, DiagonalDirectionFromFileNumber direction)
{
var indexes = GetEntireDiagonalByFile(file, direction);
var list = new List <Square>();
//optimize, a linq join here would perform better
indexes.ForEach(a => list.Add(gameState.Squares.GetSquare(a)));
return(list);
}
private static int howFarToGo(int file, DiagonalDirectionFromFileNumber direction)
{
return(direction == DiagonalDirectionFromFileNumber.Left ? file + 1 : 8 - file);
}
private static int getDiagonalIncrement(DiagonalDirectionFromFileNumber direction)
{
return(direction == DiagonalDirectionFromFileNumber.Left ? 7 : 9);
}
