136 lines
4.3 KiB
C++
136 lines
4.3 KiB
C++
/*
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* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
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* Click nbfs://nbhost/SystemFileSystem/Templates/cppFiles/file.cc to edit this template
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*/
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#include <iostream>
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using namespace std;
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int computerWins = 0; //update it every time the computer wins
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int playerWins = 0; ////update it every time the human wins
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/**The computer returns * R/r rock, P/p paper, Ss scissors.
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* The static var keeps track of how many times this methods was called;
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* @return R, P S
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*/
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char computerPlay() {
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static int numberOfTimesPlayed = 0;
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numberOfTimesPlayed++;
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switch (rand() % 3) {
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case 0:
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return 'r';
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break;
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case 1:
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return 'p';
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break;
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case 2:
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return 's';
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break;
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}
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}
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/**The human( user) is prompted to type * R/r rock, P/p paper, Ss scissors.
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* or Q/q to stop playing the game.
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* @return R, P, S, Q
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*/
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char humanPlay() {
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bool validInput = false;
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char userInput;
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do {
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printf("Let's play Rock Paper Scissors!\n");
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printf("Please enter r for rock, p for paper, s for scissors (case insensitive): ");
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cin >> userInput;
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userInput = std::tolower(userInput, std::locale());
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printf("Player entered: %c\n", userInput);
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if (userInput == 'r' | userInput == 'p' | userInput == 's') {
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validInput = true;
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} else {
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validInput = false;
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printf("Invalid input. Please enter r, p, or s (case insensitive): ");
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}
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} while (!validInput);
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return userInput;
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}
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/**Displays wins and losses for human and computer.
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*
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*/
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void displayStats() {
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printf("CPU: %i\n", computerWins);
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printf("Player: %i\n", playerWins);
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}
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std::string rps(char input) {
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std::string output;
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switch (input) {
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case 'r':
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output = "rock";
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break;
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case 'p':
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output = "paper";
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break;
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case 's':
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output = "scissors";
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break;
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}
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return output;
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}
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std::string determineWinner(char cpu, char player) {
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std::string output;
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if ((cpu == 'r' && player == 'r') | (cpu == 'p' && player == 'p') | (cpu == 's' && player == 's')) { // ties
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std::string beginningString = "You both chose ";
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std::string endingString = ". It is a tie.";
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std::string result = rps(cpu);
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computerWins++;
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playerWins++;
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return beginningString.append(result).append(endingString);
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}
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if ((cpu == 'r' && player == 's') | (cpu == 'p' && player == 'r') | (cpu == 's' && player == 'p')) { // CPU Wins
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std::string beginningString = "You chose";
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std::string middle = "The computer chose";
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std::string endingString = "The computer wins.";
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std::string cpuResult = " " + rps(cpu) + ". ";
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std::string playerResult = " " + rps(player) + ". ";
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computerWins++;
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return beginningString.append(playerResult).append(middle).append(cpuResult).append(endingString);
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}
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if ((player == 'r' && cpu == 's') | (player == 'p' && cpu == 'r') | (player == 's' && cpu == 'p')) { // Player Wins
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std::string beginningString = "You chose ";
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std::string middle = "The computer chose";
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std::string endingString = "You win!";
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std::string cpuResult = " " + rps(cpu) + ". ";
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std::string playerResult = " " + rps(player) + ". ";
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playerWins++;
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return beginningString.append(playerResult).append(middle).append(cpuResult).append(endingString);
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}
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}
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void gameLoop() {
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char userInput;
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bool continueLoop = true;
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bool playGame = true;
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do {
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if (playGame) {
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printf("%s\n", determineWinner(computerPlay(), humanPlay()).c_str());
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displayStats();
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}
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printf("Play again? Y/N (case insensitive):");
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cin >> userInput;
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userInput = std::tolower(userInput, std::locale());
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if (!(userInput == 'y' | userInput == 'n')) {
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printf("invalid input! please enter Y/N...\n");
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playGame = false;
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}
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if (userInput == 'y') {
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playGame = true;
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continueLoop = true;
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}
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if (userInput == 'n') {
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playGame = false;
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continueLoop = false;
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}
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} while (continueLoop);
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} |