Mastermind.java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

// Executable for Mastermind, game setup and initialization
// A mastermind Algorithm for variable # positions and variable # code tokens
public class Mastermind {
	
/**********************************************************************************************************/
/*******************************************MAIN / RUN THE GAME********************************************/
/**********************************************************************************************************/
	
	public static void main(String[] args) throws IOException {
		
		BufferedReader buffy = new BufferedReader(new InputStreamReader(System.in));
		
		System.out.println("Welcome to Mastermind! Enter the tokens you would like to use, separated by spaces:");
		
		String[] derp = buffy.readLine().split("\\s+");

		Token[] tokens = new Token[derp.length];
		
		// generate the tokens to be used
		for (int i=0; i<derp.length; i++) {
			tokens[i] = new Token(derp[i]);
		}
		
		System.out.println("How many positions?");
		int np = Integer.parseInt(buffy.readLine()); // read returns an wrong int, so use readLine and parse to cast
		
		
		/**************************THE GAME LOOP****************************/
		
		String response;
		
		do {
			
			System.out.println("Starting new game...");
			MastermindGame game = new MastermindGame(tokens, np);
			
			int blackPegs = -1;
			int whitePegs = -1;
			Token[] code = new Token[np];
			
			do {

				// set code = to the guess. the guess was made based on the last setting of black and white pegs
				code = game.playGuess(blackPegs,whitePegs);
				
				System.out.println("allPossibleCombos:");
				print2DTokenArray(game.allPossibleCombos);
				System.out.println("remainingCombos:");
				print2DTokenArray(game.remainingCombos);
				
				System.out.print("Guessing: ");
				printTokenArray(code);

				// get black and white peg counts
				System.out.println("How many black pegs?");
				blackPegs = Integer.parseInt(buffy.readLine());
				if (blackPegs == np) {
					break;
				}
				System.out.println("How many white pegs?");
				whitePegs = Integer.parseInt(buffy.readLine());
			} while (true);
			
			System.out.print("Got it! The code is: ");
			printTokenArray(code);
			
			System.out.println("Play again? y/n");
			response = buffy.readLine();
		} while (response.equals("y"));
		
		System.out.println("gg");		
		buffy.close();
	}
	
/*********************************************************************************************/
/*******************************************GENERAL PURPOSE***********************************/
/*********************************************************************************************/
	
	static void print2DTokenArray(Token[][] a) {
		for (int i=0; i<a.length; i++) {
			printTokenArray(a[i]);
		}
	}
	
	static void printTokenArray(Token[] t) {
		if (t == null) {
			return;
		}
		
		for (int i=0; i<t.length; i++) {
			System.out.print(t[i] + "\t");
		}
		System.out.println();
	}
	
	// compare two Token[]s
	static boolean tokenArrayEquals(Token[] one, Token[] two) {
		
		if (one.length != two.length) {
			return false;
		}
		
		for (int i=0; i<one.length; i++) {
			if (!one[i].equals(two[i])) {
				return false;
			}
		}
		
		return true;
	}
	
}