Sha256: 5be1a498191253425ac30226d2b326052f552464547fc47c34215d324eeee335
Contents?: true
Size: 1.99 KB
Versions: 48
Compression:
Stored size: 1.99 KB
Contents
using System.Collections.Generic;
using System.Linq;
public delegate void HangmanChangedEventHandler(object sender, HangmanState state);
public class HangmanState
{
public HangmanGame.Status Status { get; set; }
public int RemainingGuesses { get; set; }
public string MaskedWord { get; set; }
public HashSet<char> Guesses { get; set; }
}
public class HangmanGame
{
private const int NumberOfAllowedGuesses = 9;
private const char UnguessedCharacterPlaceHolder = '_';
private readonly string word;
private readonly HangmanState state;
public enum Status
{
Busy,
Win,
Lose
}
public HangmanGame(string word)
{
this.word = word;
state = new HangmanState
{
RemainingGuesses = NumberOfAllowedGuesses,
Guesses = new HashSet<char>()
};
UpdateMaskedWord();
UpdateStatus();
}
public event HangmanChangedEventHandler StateChanged;
public void Start()
{
StateChanged?.Invoke(this, state);
}
public void Guess(char c)
{
UpdateRemainingGuesses(c);
UpdateMaskedWord();
UpdateStatus();
StateChanged?.Invoke(this, state);
}
private void UpdateRemainingGuesses(char c)
{
if (UnknownCharacter(c) || CharacterAlreadyGuessed(c))
state.RemainingGuesses--;
state.Guesses.Add(c);
}
private bool UnknownCharacter(char c) => word.All(x => x != c);
private bool CharacterAlreadyGuessed(char c) => state.Guesses.Contains(c);
private void UpdateMaskedWord()
{
state.MaskedWord = new string(word.Select(c => state.Guesses.Contains(c) ? c : UnguessedCharacterPlaceHolder).ToArray());
}
private void UpdateStatus()
{
if (state.MaskedWord == word)
state.Status = Status.Win;
else if (state.RemainingGuesses < 0)
state.Status = Status.Lose;
else
state.Status = Status.Busy;
}
}
Version data entries
48 entries across 48 versions & 1 rubygems