hangman.cpp

#include "hangman.h"
#include "sneaky.h"

#include <iostream>
#include <string>
#include <iterator>
#include <fstream>
#include <vector>
#include <algorithm>
#include<time.h>

using namespace std;

hangman::hangman(bool b){
            debug = b;
}

void hangman::inputGuesses(){ // prompts user to input the amount of guesses allowed
    cout << "\n\n" <<"PLEASE ENTER THE NUMBER OF GUESSES FOR THE USER TO HAVE: " ;
    cin >> guesses;
    while(!(cin.good()) || guesses<=0 || guesses>26){ // limit user to at least the whole alphabet, change in future
            cin.clear();
            cout<< "INVALID INPUT, PLEASE ENTER A NUMBER BETWEEN 1 AND 26: " ;
            cin >> guesses;
    }
}

void hangman::inputWordSize(){  //prompts user to input the word size or difficulty of the word
    cout << "\n" << "PLEASE ENTER THE SIZE OF WORD YOU WOULD LIKE: " ;
    cin >> wordSize;
    while(!(cin.good()) || wordSize<=0 || wordSize == 26 ||  wordSize == 27 || wordSize>29 ){ // no words of length 0,27,26,>29
            cin.clear();
            cout<< "NO WORD OF THAT SIZE, PLEASE INPUT A VALID WORD SIZE: ";
            cin >> wordSize;
        }
}

void hangman::dashX(){ // makes a string of "-" of word length
    for(int i=0; i<wordSize; i++){
        dashWord=dashWord + "-"; //fills string with - for as many letters as there is
    }
}

void hangman::readFile(){ //read in file to vector holding entire dictionary
    ifstream file("dictionary.txt");
    istream_iterator<string> start(file), end;
    vector<string> myVector(start, end);
    vecsVector = myVector;
}

void hangman::difficulty(){ //make vector holding all words of size wordSize
    for(int i = 0; i < vecsVector.size(); i++)
    {
        string temp = vecsVector[i];
        if(temp.length() == wordSize){
            sliceVector.push_back(temp);
        }
    }
}

string hangman::random(){  //selects a word at random from the vector of size wordSize
    srand(time(NULL));
    int randomIndex = rand() % sliceVector.size();
    string random = sliceVector[randomIndex];
    return random;
}

void hangman::mainGame(){ // where the user will guess the word by inputting character guesses
    cout<< "\n\n" <<  "                ------LET THE GAMES BEGIN!------ "<< "\n\n";

    //keep user guessing while guesses!=0
    while(guesses!=0){

        int check = guesses;//stores the value of guesses at the start of each guess
        cout <<"WORD SO FAR: " << dashWord << "\n\n";
        cout << "LETTERS USED: "<< usedLetters << endl;
        cout << "GUESSES LEFT: " << guesses << endl;

        currentWord = random(); // selects a random word

        if(debug==true){
            cout << "CURRENT WORD: " << currentWord << endl;
        }

        cout << "PLEASE ENTER YOUR GUESS: ";
        cin >> userGuess;
        cout<< "\n";

        sneaky s;
        s.makeFamily(sliceVector, userGuess, debug);// makes families based on the dictionary, user input and wordSize

        for(int index=0; index<wordSize; index++){  // checks the guess against the first word in the new vector
            string temp = sliceVector[0];
            if(userGuess==temp[index]){ // if it has one of these letter the user will not lose any guesses
                dashWord[index]=userGuess;
                guesses++;
            }
        }

        if(currentWord==dashWord){ //user guesses the word, break out of loop
            break;
        }

        usedLetters = usedLetters + userGuess + ' '; // updates list of characters used
        guesses--; // decrements guesses each time

        if (guesses>check){ // makes sure you do not get lives back for multiple occurences of letters
            guesses=check;
        }
        cout << "\n\n";
    }
}

void hangman::ending(){ // messages for the end game

    currentWord = random(); // selects a random word for the last time, will select same word if user has won.

    //loss condition
    if(dashWord!=currentWord){
        cout << "\n\n" << "SORRY THE WORD WAS: " + currentWord + ", YOU LOSE :( " << "\n\n";
    }

    //win condition
    else if(dashWord==currentWord){
        cout << "\n\n" << "CONGRATULATIONS, YOU HAVE WON. THE WORD WAS: " + dashWord << "\n\n";
    }
}