diceGame.cpp

// Random number generators
// Rolling a dice 100 times
// Chris Bass
// November 2014

#include <iostream>
#include <cstdlib>
#include <ctime>
#include <fstream>
#include <string>
using namespace std;

void diceGame()
{
	int count1 = 0; // count of 1s rolled
	int count2 = 0; // count of 2s rolled
	int count3 = 0; // count of 3s rolled
	int count4 = 0; // count of 4s rolled
	int count5 = 0; // count of 5s rolled
	int count6 = 0; // count of 6s rolled

	srand(time(0)); // seed the pseudo random number generator

	for (int roll = 1; roll <= 100; roll++) // 100 rolls
	{
		int diceRoll;
		diceRoll = 1 + rand() % 6; // store a random number between 1 and 6

		switch (diceRoll)
		{
		case 1:
			++count1;
			break;
		case 2:
			++count2;
			break;
		case 3:
			++count3;
			break;
		case 4:
			++count4;
			break;
		case 5:
			++count5;
			break;
		case 6:
			++count6;
			break;
		default:
			break;
		}
	}
	ifstream inputFileStream;
	inputFileStream.open("output.txt");
    int highscore;
    if (inputFileStream.good()) {
        inputFileStream >> highscore;
    } else {
        cout << "cannot find previous highscore textfile, lets create a new one!" << endl;
        highscore = 0;
    }

	cout << "You have rolled " << count1 << " ones" << endl;
	cout << "You have rolled " << count2 << " twos" << endl; // count of 1s rolled
	cout << "You have rolled " << count3 << " threes" << endl; // count of 1s rolled
	cout << "You have rolled " << count4 << " fours" << endl; // count of 1s rolled
	cout << "You have rolled " << count5 << " fives" << endl; // count of 1s rolled
	cout << "You have rolled " << count6 << " sixes" << endl; // count of 1s rolled

	cout << "Your score this game is: " <<
		count1 * 1 + count2 * 2 + count3 * 3 +
		count4 * 4 + count5 * 5 + count6 * 6 << endl;
	int currentScore = count1 * 1 + count2 * 2 + count3 * 3 +
		count4 * 4 + count5 * 5 + count6 * 6;

	cout << "Your Score is " <<currentScore<< endl;
	{
		cout << "The previous highscore is: " << highscore << endl;

		ofstream outputFileStream;
		if (currentScore > highscore) {
			outputFileStream.open("output.txt");
			outputFileStream << currentScore << endl;
			outputFileStream.close();

			cout << "The new highscore is: " << currentScore << endl;
		}
	}

}