Codeword NextCodeword(Codeword codeword, uint suffixBit)
{
var c = Codeword.Clone(codeword);
c.AppendBit(suffixBit);
return(c);
}
/// <summary>
/// Deep clone the codeword
/// </summary>
/// <param name="codeword"></param>
/// <returns></returns>
public static Codeword Clone(Codeword codeword)
{
return(new Codeword
{
BitLength = codeword.BitLength,
value = codeword.value
});
}
public void Ask()
{
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine("\nPlease type a letter.");
Console.ResetColor();
string input = Console.ReadLine();
// check and tell user to enter ONLY 1 letter
if (input.Length > 1)
{
Console.WriteLine("Please only type ONE letter at a time!\nPress Enter to continue...");
Console.ReadLine();
return;
}
// check if the input is a letter and prompt the user if not
if (!char.IsLetter(input[0]))
{
Console.WriteLine("Please only enter letters!\nPress Enter to continue...");
Console.ReadLine();
return;
}
// convert input to lower letter
string letter = input[0].ToString().ToLower();
// if the letter has already been inclear
if (letterList.Contains(letter))
{
Console.WriteLine("'{0}' has already been found.\nPlease insert another letter\nPress Enter to continue...", letter);
Console.ReadLine();
return;
}
letterList.Add(letter);
// check if the word contains the inserted letter
if (Codeword.Contains(letter))
{
// prompt the user
Console.WriteLine("Good guess. The codeword contains '{0}'.", letter);
// loop thru codeword for inserted letter
// if found replace '_' with letter in current word
for (int i = 0; i < Codeword.Length; i++)
{
if (Codeword[i].ToString() == letter)
{
CurrentWord = CurrentWord.Remove(i, 1).Insert(i, letter);
}
}
}
// increase the wrong guesses by 1 and Update ufo image
else
{
CurrentNumWrongGuesses += 1;
ufo.AddPart();
}
}
public bool didWin()
{
if (Codeword.Equals(word))
{
return(true);
}
else
{
return(false);
}
}
public void Ask()
{
if (_guessedLetters.Count > 0)
{
Console.WriteLine($"Already typed letters in thi game session: ");
_guessedLetters.ForEach(item => Console.Write($" {item} "));
Console.WriteLine("");
}
Console.Write("Enter your guess letter: ");
var input = Console.ReadLine()?.ToLower();
if (input == null)
{
return;
}
if (input.Length > 1)
{
Console.WriteLine("Only one letter at a time is valid.");
return;
}
var contains = Codeword.Contains(input);
var letter = input.ToCharArray()[0];
if (_guessedLetters.Contains(letter))
{
Console.WriteLine($"You already typed the ({input}) letter, try another one...");
return;
}
if (contains)
{
var currentIndex = 0;
while (true)
{
var index = Codeword.IndexOf(letter, currentIndex);
if (index == -1)
{
break;
}
currentIndex = index + 1;
CurrentWord = CurrentWord.Remove(index, 1).Insert(index, letter.ToString());
}
}
else
{
Ufo.AddPart();
WrongGuesses++;
}
_guessedLetters.Add(letter);
}
// Method checks if the player won & prints a congrats message
public bool DidWin()
{
// return true/false
if (Codeword.Equals(CurrentWord))
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("\n Good job, you win!\nThe passcode was: {0}", Codeword);
Console.ResetColor();
}
//test only
//Console.WriteLine(Codeword);
//Console.WriteLine(CurrentWord);
return(Codeword.Equals(CurrentWord));
}
/// <summary>
/// 符号化領域のバイトデータを返します。
/// </summary>
private byte[] GetEncodingRegionBytes()
{
byte[][] dataBlock = BuildDataBlock();
byte[][] ecBlock = BuildErrorCorrectionBlock(dataBlock);
int numCodewords = Codeword.GetTotalNumber(_currVersion);
int numDataCodewords = DataCodeword.GetTotalNumber(
_parent.ErrorCorrectionLevel, _currVersion);
byte[] ret = new byte[numCodewords];
int index = 0;
int n;
n = 0;
while (index < numDataCodewords)
{
int r = n % dataBlock.Length;
int c = n / dataBlock.Length;
if (c <= dataBlock[r].Length - 1)
{
ret[index] = dataBlock[r][c];
index++;
}
n++;
}
n = 0;
while (index < numCodewords)
{
int r = n % ecBlock.Length;
int c = n / ecBlock.Length;
if (c <= ecBlock[r].Length - 1)
{
ret[index] = ecBlock[r][c];
index++;
}
n++;
}
return(ret);
}
// turn the codewords into canonical ordered ones
// needed for make table later
void MakeCanonical(List <Node> leaves1)
{
// see https://pineight.com/mw/index.php?title=Canonical_Huffman_code
// http://www.compressconsult.com/huffman
// https://en.wikipedia.org/wiki/Canonical_Huffman_code
// sort by bit lengths to order symbol values.
// on ties, sort by symbol
leaves1.Sort((a, b) =>
{
int result = a.Codeword.BitLength.CompareTo(b.Codeword.BitLength);
if (result == 0)
{
return(a.Symbol.CompareTo(b.Symbol));
}
return(result);
});
// rewrite symbols in increasing order, maintaining code lengths
if (Options.HasFlag(OptionFlags.DumpDictionary))
{
WriteLine("Huffman dictionary: ");
}
var codeValue = new Codeword();
codeValue.AppendBit(0); // start at the 1-bit code of 0
foreach (var leaf in leaves1)
{
// lengthen code
while (codeValue.BitLength < leaf.Codeword.BitLength)
{
codeValue.AppendBit(0);
}
leaf.Codeword = Codeword.Clone(codeValue);
if (Options.HasFlag(OptionFlags.DumpDictionary))
{
WriteLine($" x{leaf.Symbol:X2}->{leaf.Codeword}");
}
codeValue.Increment();
}
}
public void Ask()
{
Console.WriteLine("Enter a letter.");
string stringGuess = Console.ReadLine();
if (stringGuess.Trim().Length != 1)
{
Console.WriteLine("One letter at a time!");
return;
}
char guess = stringGuess.Trim().ToCharArray()[0];
if (Codeword.Contains(guess))
{
Console.WriteLine($"'{guess}' is in the word!");
for (int i = 0; i < Codeword.Length; i++)
{
if (guess == Codeword[i])
{
word = word.Remove(i, 1).Insert(i, guess.ToString());
}
}
}
}
public bool DidWin()
{
return(Codeword.Equals(CurrentWord));
}
