public void Start()
{
Console.Clear();
Console.SetCursorPosition(0, 0);
Console.WriteLine("Think of a number between {0}-{1}. I will guess it in no more than {2} guesses.",
Color.White, MIN_VALUE, MAX_VALUE, N_GUESSES);
Console.ReadKey();
Console.WriteLine();
Console.WriteLine("Press Up arrow if my guess is too high.", Color.White);
Console.WriteLine("Down arrow for too low.", Color.White);
Console.WriteLine("Enter for just right.", Color.White);
Console.WriteLine();
ulong currentComputerGuess = MAX_VALUE / 2;
Guess.GuessType userAnswer = Guess.GuessType.Low;
Console.SetCursorPosition(1, Console.CursorTop);
while (!IsGameOver(userAnswer))
{
Console.WriteLine("Guess Number {0}: {1}", Color.White, ComputerGuesses.Count + 1, currentComputerGuess);
userAnswer = GetUserAnswer();
ComputerGuesses.Add(new Guess(currentComputerGuess, userAnswer));
currentComputerGuess = GetNextComputerGuess(userAnswer);
}
Console.WriteLine();
if (userAnswer == Guess.GuessType.Correct)
{
Console.WriteLine("I have guessed correctly!", Color.White);
}
else if (GuessRangeMin == GuessRangeMax)
{
Console.WriteLine("You LIE!... It is {0}", Color.White, GetLastGuess());
}
else
{
Console.WriteLine("I have failed.", Color.White);
}
Console.ReadKey();
}
private Guess.GuessType GetUserAnswer()
{
ConsoleKey inputKey = GetUserInput();
Guess.GuessType returnGuessType = Guess.GuessType.Correct;
if (inputKey == ConsoleKey.UpArrow)
{
returnGuessType = Guess.GuessType.High;
}
else if (inputKey == ConsoleKey.DownArrow)
{
returnGuessType = Guess.GuessType.Low;
}
return(returnGuessType);
}
// Determines the next computer guess based on the userInput
private ulong GetNextComputerGuess(Guess.GuessType guessType)
{
ulong guess = 0;
if (guessType == Guess.GuessType.High)
{
GuessRangeMax = GetLastGuess();
}
else
{
GuessRangeMin = GetLastGuess();
}
if (guessType == Guess.GuessType.Low && GetLastGuess() == MAX_VALUE - 1)
{
guess = MAX_VALUE;
}
else
{
guess = GetGuessRangeMidPoint();
}
return(guess);
}
private bool IsGameOver(Guess.GuessType userAnswer)
{
return(userAnswer == Guess.GuessType.Correct || ComputerGuesses.Count >= N_GUESSES ||
GuessRangeMin == GuessRangeMax);
}
