CS106A Assignment 4 - Hangman

Hangman (Under Construction)

import acm.graphics.*;
import acm.program.*;
import acm.util.*;

import java.awt.*;

public class Hangman_II extends ConsoleProgram {
	
	public HangmanLexicon lexicon = new HangmanLexicon(); // creates an object of type HangmanLexicon
	private final static int N_HANGMAN_PARTS = 8; // number of parts to draw to complete hangman drawing
	
	// runs the program
	public void run() {
		welcomeMessage();
		setup();
		gameplay();
	}
	
	// sets up the game by choosing a word and creating its hidden version
	private void setup() {
		pickWord();
		drawHiddenWord();
	}
	
	// simple welcome message
	private void welcomeMessage() {
		println("Welcome to Hangman. ");
	}
	
	// picks a word at random from the lexicon
	private String pickWord() {
	//	int index = rgen.nextInt(0, lexicon.getWordCount() - 1);
		int index = 1;
		String wordOfChoice = lexicon.getWord(index);
		return wordOfChoice;
	}
	
	// creates String of dashes same length as chosen word
	private void drawHiddenWord() {
		for (int i = 0; i < word.length(); i++) {
			hiddenWord = hiddenWord + "-";
		}
	}
	
	// Plays the game of hangman. Assumes word has been chosen in setup. 
	private void gameplay() {
		for (turns = 0; turns < N_HANGMAN_PARTS; turns++) {
			showProgress();
			playerGuess();
			checkGuess();
			if (correctGuess == true) {
		//		revealInstances();
			}
			if (correctGuess == false) {
				logWrongGuess();
				addSegment();
			}
		}
		if (win == false) {
			lossMessage();
		}
		if (win == true) {
			victoryMessage();
		}
		playAgain();
	}
	
	// adds incorrect guess to a String containing all the incorrect guesses
	private void logWrongGuess() {
		wrongGuess = wrongGuess + " - " + userGuess;
	}
	
	// logs that a new segment has been added to the hangman drawing
	private void addSegment() {
		segmentsDrawn++;
	}
	
	// checks guess and assigns correctGuess as either true or false
	private void checkGuess() {
		guess = userGuess.charAt(0);
		guess = Character.toUpperCase(guess);
		int anyInstance = word.indexOf(guess);
		if (anyInstance != -1) {
			correctGuess = true;
		}
		if (anyInstance == -1) { 
			correctGuess = false;
		}
	}
	
	// displays word progress and number of turns left
	private void showProgress() {
		println("The word now looks like this: "+hiddenWord+"");
		int turnsLeft = N_HANGMAN_PARTS - turns;
		println("You have "+turnsLeft+" turns left");
	}
	
	// Asks user for guess and logs response. Forces guesses to adhere to game rules
	private void playerGuess() {
		boolean validGuess = false;
		while (validGuess == false) {
			userGuess = readLine("Your guess is: ");
			if (userGuess.length() > 1) {
				println("You have entered more than one letter, please try again. ");
			}
			if (userGuess == null) {
				println("You did not register a response. Please try again. ");
			}
			if (userGuess.length() == 1) {
				validGuess = true;
			}
		}
	}
	
	// User lost the game. Sad times :(. Displays a message to that effect
    private void lossMessage() {
    	println("You lost! Better luck next time...");
    }
    
    // Woop woop! The user won! This message lets them know
    private void victoryMessage() {
    	println("Congratulations! You won!");
    }
    
    // asks the user if they want to play again, y indicates yes, any other key ends the program and prompts them to close the window
    private void playAgain() {
    	String rematch = readLine("Press 'y' if you would like to play again. ");
    	if (rematch == "y") {
    		gameplay();
    	} else {
    		println("You have chosen not to play again. You may now close this window.");
    	}
    }
	
	private RandomGenerator rgen = RandomGenerator.getInstance(); // random generator to choose word from lexicon at random
    private String word = pickWord(); // the randomly chosen word
	private String hiddenWord = ""; // hidden version (with dashes) of randomly chosen word
	private boolean win = false; // whether the user has won the game or not
	private boolean correctGuess; // whether the user's guess is correct or not
	private int turns; // number of turns taken in the game
	private String userGuess; // the user's guess in the form of a String
	private char guess; // the user's guess truncated to a char
	private String wrongGuess = ""; // record of all wrong guesses made by user
	private int segmentsDrawn = 0; // record of segments of hangman drawing drawn so far

}