private bool CanNavigateDown()
{
int newIndex = currentPoint.Index + GameInformation.HorizontalDimension;
return((newIndex < GameInformation.FieldLetters.Length && !occupationField[newIndex]) &&
wordStateMachine.CanNavigateForward(GameInformation.FieldLetters[newIndex]));
}
private IEnumerable <GameState> CreateGameStates(GameState gameState, IWordStateMachine wordStateMachine)
{
for (int index = 0; index < gameState.OccupationField.Length; index++)
{
GamePoint startGamePoint = new GamePoint(gameState.GameInformation, index);
wordStateMachine.Reset();
if (wordStateMachine.CanNavigateForward(startGamePoint.ToChar()) && !gameState.OccupationField[startGamePoint.Index])
{
TemporaryGameState temporaryGameState = new TemporaryGameState(gameState, startGamePoint, wordStateMachine);
foreach (var newGameState in CreateGameStates(temporaryGameState))
{
yield return(newGameState);
}
}
}
}