internal static IEnumerable <NotationMoveType> EnumerateMoves()
{
var randomGenerator = new Random();
var lastRotation = NotationRotationNames.None;
while (true)
{
var nextMove = new NotationMoveType(
GetRandomRotationName(randomGenerator, lastRotation),
GetRandomRotationType(randomGenerator));
lastRotation = nextMove.Name;
yield return(nextMove);
}
}
public static IEnumerable <NotationMoveType> EnumerateMoves(string moves)
{
var move = NotationMoveType.None;
foreach (var moveChar in moves)
{
if (char.IsWhiteSpace(moveChar))
{
// Ignore whitespace.
}
else if (moveChar == '\'')
{
if (move.Type != NotationRotationType.Clockwise)
{
throw new Exception("Invalid move notation.");
}
move = move.With(NotationRotationType.CounterClockwise);
}
else if (moveChar == '2')
{
if (move.Type != NotationRotationType.Clockwise)
{
throw new Exception("Invalid move notation.");
}
move = move.With(NotationRotationType.Double);
}
else if (char.IsLetter(moveChar))
{
if (!move.IsEmpty)
{
yield return(move);
move = NotationMoveType.None;
}
move = new NotationMoveType(ParseMoveName(moveChar));
}
}
if (!move.IsEmpty)
{
yield return(move);
}
}
public static string FormatMove(NotationMoveType move) => FormatMoveName(move.Name) + FormatRotationType(move.Type);
