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/* Program: Hangman game as project 4
Description: Implement a variation of the classic word game Hangman.
I certify that the code below is my own work.
Exception(s): N/A
*/
#include <iostream>
#include <fstream>
#include <string>
#include <ctime>
#include <cstdlib>
using namespace std;
const int MAX_NUMS = 200; // Constant for the maximum number of words.
const int MAX_GUESSES = 8;
const string LETTERS = "abcdefghijklmnopqrstuvwxyz";
char inputLetter();
int findChar(char letter, string&word);
string getGuessedWord(string&secretWord, string&lettersGuessed);
string getLettersGuessed(char letter, string&lettersGuessed, int n);
void display(string&lettersGuessed, string&wordGuessed, int num, int pos);
bool isDone(string wordGuessed);
int main()
{
string oneWord; // holds one word from input file
string secretWord; // holds secret word to be guessed
string words[MAX_NUMS]; // holds list of words from input file
int randomValue; // holds index of secret word
int count = 0; // holds number of words in the file
// Declare an ifstream object named myFile and open an input file
ifstream myFile;
myFile.open("P4Words.txt");
// Exit program if cannot open file for input
if (!myFile)
{
cout << "Error: Unable to open file for input" << endl;
return 0;
}
// Input words from a file into words array
// Add your code here ...
myFile >> oneWord;
while (!myFile.eof())
{
words[count] = oneWord;
count++;
myFile >> oneWord;
}
myFile.close();
cout << count << " words loaded." << endl;
srand(static_cast<unsigned int>(time(0)));
// Select a secret word
// Add your code here ...
secretWord = words[rand() % (count - 0 + 1) + 0];
// Possible useful variables the loop
string lettersGuessed = ""; // holds letters guessed so far
string wordGuessed; // holds current word guessed like �_ pp_ e�
int incorrectGuesses = 0; // holds number of incorrect guesses so far
char letter; // holds a guessed letter
bool done = false; // have not guessed the word yet
int num = 8; int pos;
cout << "Welcome to the game, Hangman V1 by Your Name!" << endl;
cout << "I am thinking of a word that is " << secretWord.length()
<< " letters long." << endl;
// Set up a loop to input guesses and process
// Add your code here ...
do
{
letter = inputLetter();
pos = findChar(letter, secretWord);
wordGuessed = letter;
lettersGuessed = getLettersGuessed(letter, lettersGuessed, 8 - num);
wordGuessed = getGuessedWord(secretWord, lettersGuessed);
display(lettersGuessed, wordGuessed, num, pos);
done = isDone(wordGuessed);
num--;
} while ((num > 1) && (done == false));
// Check for won or lost
// Add your code here ...
if (done==false)
{
cout << "sorry you lose..." << endl;
}
if (done == true)
{
cout << "congrualte! " << endl;
}
system("pause"); // stop program from closing, Windows OS only
return 0;
}
// Add function definitions here ...
char inputLetter()
{
int i;
char letter;
do
{
cout << "please guess a letter: " << endl;
cin >> letter;
for ( i = 0; i < 25; i++)
{
if (letter == LETTERS[i])
{
return letter;
}
}
if (letter != LETTERS[i])
{
cout << "Oops! That is an invalid character." << endl;
}
} while (letter != LETTERS[i]);
}
int findChar(char letter, string&word)
{
int i = 0; int pos = 0; bool found = false;
do
{
if (word[pos] == letter)
{
return pos;
found = true;
}
pos++;
} while (pos<word.length() - 1);
if (found == false)
{
return -1;
}
}
string getGuessedWord(string&secretWord, string&letterGuessed)
{
string temp;
temp = secretWord;
for (size_t k = 0; k <= temp.length() - 1; k++)
{
temp[k] = '_';
}
for (size_t i = 0; i <= temp.length() - 1; i++)
{
for (size_t j = 0; j <= temp.length() - 1; j++)
{
if (letterGuessed[i] == secretWord[j])
{
temp[j] = letterGuessed[i];
}
}
}
return temp;
}
string getLettersGuessed(char letter, string&lettersGuessed, int n)
{
string temp;
temp = letter;
lettersGuessed.insert(n, temp);
return lettersGuessed;
}
void display(string&lettersGuessed, string&wordGuessed, int num, int pos)
{
if (pos != -1)
{
cout << "You have " << num << " guesses left." << endl;
cout << "Letters guessed so far: " << lettersGuessed << endl;
cout << "Good guess!: " << wordGuessed << endl;
cout << "-----------------------------------------------------" << endl;
}
if (pos == -1)
{
cout << "You have " << num << " guesses left." << endl;
cout << "Letters guessed so far: " << lettersGuessed << endl;
cout << "Oops! that letter is not my word: " << wordGuessed << endl;
cout << "-----------------------------------------------------" << endl;
}
}
bool isDone(string wordGuessed)
{
bool done = false; int k = 0;
for (size_t i = 0; i <= wordGuessed.length() - 1; i++)
{
if (wordGuessed[i] == '_')
{
k++;
}
}
if (k == 0)
{
done = true;
}
return done;
}
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