RSPGameV2.cpp

#include <iostream>
#include <cstdlib>
#include <ctime>
#include <string>
#include <fstream>
#include <limits>

using namespace std;
int main() {
    int rock = 0;
    int scissors = 1;
    int paper = 2;
    int playerChoice;
    int playerWins = 0;
    int cpuWins = 0;

    cout << "Welcome to ROCK, SCISSORS, PAPER! " << endl;
    cout << "Rules:  " << endl;
    cout << "ROCK beats SCISSORS       " << endl;
    cout << "SCISSORS beats PAPER       " << endl;
    cout << "PAPER beats ROCK       " << endl;
    cout << "----Results stored in LOG file--- " << endl;
    cout << "Instructions: " << endl;
    cout << "For ROCK, choose 0 " << endl;
    cout << "For SCISSORS, choose 1 " << endl;
    cout << "For PAPER, choose 2 " << endl;

    while (playerWins < cpuWins + 2 && cpuWins < playerWins + 2) {
        cout << endl << "Enter your choice:  ";
        cin >> playerChoice;
        cout << playerChoice << endl;
        srand(time(NULL));
        int cpuChoice = rand() % 3 ;

        while(1)
        {
            if(cin.fail())
            {
                cin.clear();
                cin.ignore(numeric_limits<streamsize>::max(),'\n');
                cout << "You have entered wrong input " << endl ;
                cout << "Please enter a valid value for either ROCK, SCISSORS, or PAPER ";
                cin >> playerChoice;
            }
            if(!cin.fail())
                break;
        }

        switch (playerChoice) {
            case 0: // The case for when the player picks ROCK
                if (cpuChoice == 0) {
                    cout << "You've chosen ROCK, and the PC played ROCK.. " << endl << "YOU TIE! " << endl;
                    break;
                }
                if (cpuChoice == 1) {
                    cout << "You've chosen ROCK, and the PC played SCISSORS.. " << endl << "YOU WIN! " << endl;
                    playerWins++;
                    break;
                }
                if (cpuChoice == 2) {
                    cout << "You've chosen ROCK, and the PC played PAPER.. " << endl << "YOU LOSE! " << endl;
                    cpuWins++;
                    break;
                }

            case 1: // the case for when the player picks SCISSORS
                if (cpuChoice == 0) {
                    cout << "You've chosen SCISSORS, and the PC played ROCK.. " << endl << "YOU LOSE! " << endl;
                    cpuWins++;
                    break;
                }
                if (cpuChoice == 1) {
                    cout << "You've chosen SCISSORS, and the PC played SCISSORS.. " << endl << "YOU TIE! " << endl;
                    break;
                }
                if (cpuChoice == 2) {
                    cout << "You've chosen SCISSORS, and the PC played PAPER.. " << endl << "YOU WIN! " << endl;
                    playerWins++;
                    break;
                }

            case 2: // the case for when the player picks PAPER
                if (cpuChoice == 0) {
                    cout << "You've chosen PAPER, and the PC played ROCK.. " << endl << "YOU WIN! " << endl;
                    playerWins++;
                    break;
                }
                if (cpuChoice == 1) {
                    cout << "You've chosen PAPER, and the PC played SCISSORS. " << endl << "YOU LOSE! " << endl;
                    cpuWins++;
                    break;
                }
                if (cpuChoice == 2) {
                    cout << "You've chosen PAPER, and the PC played PAPER .. " << endl << "YOU TIE! " << endl;
                    break;
                }

            default:
                cout << "Please enter a valid value for either ROCK, SCISSORS, or PAPER " << endl;
                break;
        }
        if (playerWins >= cpuWins + 2 || cpuWins >= playerWins + 2) {
            cout << "GAME OVER\n";
            cout << "Would you like to play again? (Yes: 1. No, 0)" << endl;
            int choice;
            cin >> choice;
            if (choice == 1) {
                cpuWins = 0;
                playerWins = 0;
            }
        }
    }

    ofstream output;
    output.open("RPSResults.txt");
    output << "Results" << endl;
    output << "Player Wins: " << playerWins << endl;
    output << "Computer Wins: " << cpuWins << endl;
    output.close();

    return 0;
}
//
// Created by Toby on 2021-09-27.
//