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/**
* Assignment 2, COMP268 Class: RockPaperScissorsLizardSpock.java
*
* @description Provide a class to play the game rock, paper, scissors, lizard spock.
* @author: mo khan Student ID: 3431709
* @date Jun 6, 2019
* @version 1.0
*/
package Q2;
import java.util.*;
public class RockPaperScissorsLizardSpock {
private int consecutiveWins = 0;
private int lastWinner;
public static final int PLAYER1 = 1;
public static final int PLAYER2 = 2;
public static final int LIZARD = 4;
public static final int PAPER = 2;
public static final int ROCK = 1;
public static final int SCISSORS = 3;
public static final int SPOCK = 5;
/**
* Returns the # of consecutive wins for the current winner.
*
* @return the # of consecutive wins for the current winner.
*/
public int getConsecutiveWins() {
return this.consecutiveWins;
}
/**
* Returns the id of the current winner. See PLAYER1 and PLAYER2 constants for the possible ids.
*
* @return the id of the current winner.
*/
public int getLastWinner() {
return this.lastWinner;
}
/**
* Returns a random integer between 1 - 5
*
* @return a random integer between 1 - 5
*/
public int random() {
return new Random().nextInt(4) + 1;
}
/**
* Plays the game until a winner has 4 consecutive wins.
*
* @param player1 the choice made by player 1
* @param player2 the choice made by player 2
*/
public void play(int player1, int player2) {
this.puts("Player 1: %s", convert(player1));
this.puts("Player 2: %s", convert(player2));
this.incrementWinsFor(this.determineWinner(player1, player2));
}
/**
* Converts a integer to the equivalent name.
*
* @param i the integer to convert to a name.
* @return the name for the corresponding integer value.
*/
public static String convert(int i) {
switch (i) {
case ROCK:
return "rock";
case PAPER:
return "paper";
case SCISSORS:
return "scissor";
case LIZARD:
return "lizard";
case SPOCK:
return "spock";
default:
return "error";
}
}
private int determineWinner(int player1Roll, int player2Roll) {
if (player1Roll == player2Roll) return 0;
switch (player1Roll) {
case SCISSORS:
return (player2Roll == PAPER || player2Roll == LIZARD) ? PLAYER1 : PLAYER2;
case PAPER:
return (player2Roll == ROCK || player2Roll == SPOCK) ? PLAYER1 : PLAYER2;
case ROCK:
return (player2Roll == LIZARD || player2Roll == SCISSORS) ? PLAYER1 : PLAYER2;
case LIZARD:
return (player2Roll == SPOCK || player2Roll == PAPER) ? PLAYER1 : PLAYER2;
case SPOCK:
return (player2Roll == SCISSORS || player2Roll == ROCK) ? PLAYER1 : PLAYER2;
default:
return 0;
}
}
private void puts(String message, Object... args) {
System.out.println(String.format(message, args));
}
private void newline() {
System.out.println();
}
private void incrementWinsFor(int winner) {
if (winner == 0) return;
if (this.lastWinner == winner) {
this.consecutiveWins++;
} else if (winner > 0) {
this.lastWinner = winner;
this.consecutiveWins = 1;
}
}
/**
* The entrypoint into the console application.
*
* @param args an argument vector that represents the command line arguments
*/
public static void main(String[] args) {
RockPaperScissorsLizardSpock game = new RockPaperScissorsLizardSpock();
int round = 0;
game.puts("Starting a new game of Rock, paper, scissors, lizard, spock...");
while (true) {
round++;
game.newline();
game.puts("Round: %d", round);
game.puts("--------------------------------------");
game.play(game.random(), game.random());
if (game.getLastWinner() > 0)
game.puts(
"Player %d has %d consecutive wins.", game.getLastWinner(), game.getConsecutiveWins());
if (game.getLastWinner() > 0 && game.getConsecutiveWins() == 4) {
game.newline();
game.puts("**************************************");
game.puts(" The winner is player %d! ", game.getLastWinner());
game.puts("**************************************");
game.newline();
break;
}
}
}
}
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