hangman.cpp

#include <iostream>
#include <vector>
#include <fstream>
#include <string>
#include <time.h>
using namespace std;

void PrintMessage(string message, bool printTop = true, bool printBottom = true)
{
	if (printTop)
	{
		cout << "+---------------------------------+" << endl;
		cout << "|";
	}
	else
	{
		cout << "|";
	}
	bool front = true;
	for (int i = message.length(); i < 33; i++)
	{
		if (front)
		{
			message = " " + message;
		}
		else
		{
			message = message + " ";
		}
		front = !front;
	}
	cout << message.c_str();

	if (printBottom)
	{
		cout << "|" << endl;
		cout << "+---------------------------------+" << endl;
	}
	else
	{
		cout << "|" << endl;
	}
}

void DrawHangMan(int guessCount = 0)
{
	if (guessCount >= 1)
		PrintMessage("|", false, false);
	else
		PrintMessage("", false, false);

	if (guessCount >= 2)
		PrintMessage("|", false, false);
	else
		PrintMessage("", false, false);

	if (guessCount >= 3)
		PrintMessage("O", false, false);
	else
		PrintMessage("", false, false);

	if (guessCount == 4)
		PrintMessage("/  ", false, false);

	if (guessCount == 5)
		PrintMessage("/| ", false, false);

	if (guessCount >= 6)
		PrintMessage("/|\\", false, false);
	else
		PrintMessage("", false, false);

	if (guessCount >= 7)
		PrintMessage("|", false, false);
	else
		PrintMessage("", false, false);

	if (guessCount == 8)
		PrintMessage("/  ", false, false);
	
	if (guessCount >= 9)
		PrintMessage("/ \\", false, false);
	else
		PrintMessage("", false, false);
}

void PrintLetters(string input, char from, char to)
{
	string s;
	for (char i = from; i <= to; i++)
	{
		if (input.find(i) == string::npos)
		{
			s += i;
			s += " ";
		}
		else
			s += "  ";
		
	}
	PrintMessage(s, false, false);
}

void PrintAvailableLetters (string taken)
{
	PrintMessage("Available letters");
	PrintLetters(taken, 'A', 'M');
	PrintLetters(taken, 'N', 'Z');
}

bool PrintWordAndCheckWin(string word, string guessed)
{
	bool won = true;
	string s;
	for (int i = 0; i < word.length(); i++)
	{
		if (guessed.find(word[i]) == string::npos)
		{
			won = false;
			s += "_ ";
		}
		else
		{
			s += word[i];
			s += ' ';
		}
	}
	PrintMessage(s, false);
	return won;
}

string LoadRandomWord(string path)
{
	int lineCount = 0;
	string word;
	vector<string> v;
	ifstream reader(path);
	if (reader.is_open())
	{
		while (std::getline(reader, word))
			v.push_back(word);

		int randomline = rand() % v.size();

		word = v.at(randomline);
		reader.close();
	}

	return word;
}

int TriesLeft(string word, string guessed)
{
	int error = 0;
	for (int i = 0; i < guessed.length(); i++)
	{
		if (word.find(guessed[i]) == string::npos)
			error++;
	}
	return error;
}
int main()
{
	srand(time(0));
	string guesses;
	string wordToGuess;

	wordToGuess = LoadRandomWord("words.txt");

	int tries = 0;
	bool win = false;
	do
	{
		system("cls");
		PrintMessage("HANG MAN");
		DrawHangMan(tries);
		PrintAvailableLetters(guesses);
		PrintMessage("Guess the word");
		win = PrintWordAndCheckWin(wordToGuess, guesses);

		if (win)
			break;
		char x;
		cout << ">"; 
		cin >> x;
		if (guesses.find(x) == string::npos)
			guesses += x;

		tries = TriesLeft(wordToGuess, guesses);

	} while (tries < 10);
	
	if (win)
		PrintMessage("You won!");
	else
		PrintMessage("Game over!");
	system("pause");
	return 0;
}