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#include <iostream> //Basic input/output.
#include <string> //Needed for the "string.find()" function to search the answer for the input.
#include <cstdlib> //Needed for the "srand" function.
#include <ctime> //Needed for the "time" function, which is needed for truly random number seeding.
#include <sstream> //Used to convert the input from a 'string' to a 'char'.
#include <fstream> //Used to read the file containing the words.
using namespace std;
//Variable for the lives:
int short lives = 6; //The actual amount of lives the player has left.
//Declaring the function for outputting the hangman picture:
void output(int lives);
int main()
{
//Variable for the loop:
int i;
//Varibables needed for the filestream in order to read the words from the input file:
ifstream reader("words.txt");
int numberOfWords;
string line;
//Checks to see if the file exists:
if (! reader)
{
cout << "Error opening words file." << endl; //If it does not, output a message...
return -1; //...and end the program.
}
//A loop to count how many words are in the text document:
for (i = 0; ! reader.eof(); i++)
{
getline(reader, line);
numberOfWords++;
}
//Sets the file stream back to the beginning:
reader.clear();
reader.seekg(0);
//Variables for the word the player will try to guess:
string words[numberOfWords + 1]; //The maximum size of the array is the number of words in the text file.
//A loop to fill the array with the words in the text file:
for (i = 0; ! reader.eof(); i++)
{
getline(reader, line);
words[i] = line;
}
//Variable for the word that the player must guess:
string currentword;
//Integer for the random number:
int random;
//Vairables for the input:
string input; //The string that the program reads in from the user.
int inputSize; //An integer variable to store the size of the input.
stringstream stream; //A string stream used to convert the string to a 'char' after it has passed the size test.
char inputChar; //A character varibale to use the input within the rest of the program.
//Variable for if the player has won:
bool isWin;
//Variable for if the player has guessed correctly:
bool isCorrect;
//Variable needed for the find function used:
int findemp;
//Seeds the random number generator with the time:
srand((int) time (0));
//Generates a random number and uses this to select a word:
random = (rand() % numberOfWords + 1) + 1;
currentword = words[random];
//Variable for the size of the word:
int size = currentword.size();
//Variable for the answer and how close the player has got to it:
string answer[size];
//Variables for storing the player's guesses so they do not repeat any:
string guesses[26];
int numberOfGuesses = 1;
for (i = 0; i < size; i++) //A loop to fill the answer array with underscores.
{
answer[i] = "_";
}
cout << "This word has " << size << " letters. Good luck :)" << endl;
//The program runs within a loop so it does not end after the user has had one guess.
while ((lives > 0) && (isWin != true)) //The loop ends when the player runs out of lives or they win.
{
//Used for the 'goto' statement:
beginning:
//Resets the boolean variable:
isCorrect = false;
//Requests and stores the user's input.
cout << "Input: ";
cin >> input;
cout << endl;
//Checks the size of the input.
inputSize = input.size();
if (inputSize != 1) //If the size is not 1...
{
cout << "Invalid input. Please enter one letter only." << endl; //Output a message...
goto beginning; //...and return to the beginning.
}
//Loops through the 'guesses' array checking if the player has already used their input:
for (i = 1; i < numberOfGuesses; i++)
{
if (guesses[i] == input)
{
cout << "You have already guessed this letter. Please enter a another one." << endl; //If so, output a message...
goto beginning;//...and return to the beginning.
}
}
//Otherwise, the player must have not used their guess, so it is stored for future use:
guesses[numberOfGuesses] = input;
numberOfGuesses++;
//Otherwise, the input must be one character, which can be used for the program, so the program converts it to a 'character' variable.
stream << input;
stream >> inputChar;
//Searches for the character inputted within the target word.
for (i = 0 ; i < size ; i++)
{
if (currentword.at(i) == inputChar) //Loops through every letter of the string and checks if it matches the input.
{
answer[i] = input; //If so, fill the answer array with the inputted character at the correct space.
isCorrect = true; //Set 'isCorrect' to true, so the player does not lose a life.
}
}
if (isCorrect == false) //If the previous loop did not change any words, 'isCorrect' will remain false.
{
lives--; //And the player will lose a life.
}
for (i = 0; i < size; i++) //A loop to check if the player has won.
{
findemp = answer[i].find("_"); //Loops through the answer array, and if it finds a "_", the player has not won.
if (findemp != -1)
{
break; //In which case, it exits the loop.
}
else
{
findemp = 1; //Otherwise, it sets the "findemp" variable to 1 for the following If statement.
}
}
if (findemp == 1)
{
isWin = true; //If the "findemp" variable is 1 (meaning the player has won), set isWin to true.
}
else
{
isWin = false; //Otherwise, set it to false.
}
if (isWin) //If the player has won...
{
cout << "You win, the word was " << currentword << "." << endl; //Output a message.
}
else
{
for (i = 0; i < size; i++)
{
cout << answer[i]; //Output the players current guess.
}
cout << endl; //New line
if (isCorrect) //If the input is found within the word.
{
cout << endl << "Correct!" << endl; //Output a 'correct' message.
}
else
{
cout << endl << "Wrong!" << endl; //Otherwise, output an 'incorrect' message.
}
output(lives); //Output the hangman picture.
}
if (lives == 0) //If the player is out of lives (and has hence lost)...
{
cout << "You lose, the word was " << currentword << endl; //Output the correct word.
}
} //End while loop.
//End of function.
return 0;
}
//Defining the "output" function:
void output(int lives)
{
cout << "-----" << endl; //Top line.
cout << "| |" << endl; //Left line and rope.
if (lives < 6) //If lives left are 0-5...
{
cout << "| O" << endl; //Output the head and the left line.
}
else
{
cout << "| " << endl; //Otherwise, output just the left line.
}
if (lives < 3) //If lives left is 0-2...
{
cout << "| -|-" << endl; //Output left line and body and both arms.
}
else
if (lives < 4) //Otherwise, is lives left 0-3...
{
cout << "| -| " << endl; //Output left line, body and left arm.
}
else
if (lives < 5) //Otherwise, is lives left 0-4...
{
cout << "| | " << endl; //Output left line and body.
}
if (lives < 1) //Is lives left 0...
{
cout << "| / \\" << endl; //If so, output left line and both legs.
}
else
if (lives < 2) //Otherwise, is lives left 0-1...
{
cout << "| / " << endl; //If so, output left line and left leg.
}
cout << "| " << endl; //Output left line.
cout << "| " << endl; //Output left line.
cout << "| " << endl; //Output left line.
cout << "-----" << endl; //Output bottom line.
//End of function.
}
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