MazeRunner.java

/**
 * This is the MazeRunner class of the MazeRunner game.
 * It has all the methods related to the working of the game.
 * Author: Zaryab Muhammad Akram
 * 31/1/2018
 * DEV276x: Learn to Program in Java - Final Project
 **/

import java.util.Scanner;
public class MazeRunner {
    //global objects
    public static Scanner input = new Scanner(System.in);
    public static Maze myMap = new Maze();

    public static void main(String[] args){
        //declaring variables
        String direction = "";
        int moveCount = 0;

        //displaying welcome message
        intro();

        while(!myMap.didIWin()) {
            direction = userMove(); /*prompting and getting user direction input*/
            takeMove(direction); /*checking and making move if it is possible*/
            ++moveCount;
            movesMessage(moveCount);
            if (moveCount>100) {
                System.out.println("Sorry, but you didn't escape in time- you lose!");
                break;
            }
        }
        //displaying closing message
        System.out.println("Congratulations, you made it out alive! And you did it in " + moveCount + " moves");
    }

    /**
     * This methods prints the welcome message and the current position of the player in the map.
     **/
    public static void intro(){
        System.out.println("Welcome to Maze Runner!\n Here is your current position:");
        myMap.printMap();
    }

    /**
    * This method takes user input for the move and makes sure its a valid input.
     **/
    public static String userMove(){
        String userChoice;
        do{
            System.out.print("Where would you like to move? (R, L, U, D) ");
            userChoice = input.next();
        } while(!userChoice.equals("R") && !userChoice.equals("L") && !userChoice.equals("U") && !userChoice.equals("D"));
        return userChoice;
    }

    /**
     *This method prints warning messages to console depending on the number of moves the user has made.
     **/
    public static void movesMessage(int moves){
        if (moves == 50) {
            System.out.println("Warning: You have made 50 moves, you have 50 remaining before the maze exit closes");
        } else if (moves == 75) {
            System.out.println("Alert! You have made 75 moves, you only have 25 moves left to escape.");
        } else if (moves == 90) {
            System.out.println("DANGER! You have made 90 moves, you only have 10 moves left to escape!!");
        } else if (moves == 100) {
            System.out.println("Oh no! You took too long to escape, and now the maze exit is closed FOREVER >:[");
        }
    }

    /**
    *This method allows user to jump over a pit
     **/

    public static void navigatePit(String userChoice){
        System.out.print("Watch out! There's a pit ahead, jump it? (y/n) ");
        String option = input.next();
        if(option.equalsIgnoreCase("y")) {
            myMap.jumpOverPit(userChoice);
        }
    }

    /**
     *This method makes move according to the user choice, if possible.
     **/
    public static void takeMove(String userChoice){

        if(userChoice.equals("U") && myMap.canIMoveUp()) {
            myMap.moveUp();
        } else if (userChoice.equals("D") && myMap.canIMoveDown()) {
            myMap.moveDown();
        } else if (userChoice.equals("L") && myMap.canIMoveLeft()) {
            myMap.moveLeft();
        } else if (userChoice.equals("R") && myMap.canIMoveRight()){
            myMap.moveRight();
        } else if(myMap.isThereAPit(userChoice)) {
            navigatePit(userChoice);
        } else {
            System.out.println("Sorry, you’ve hit a wall.");
        }

        myMap.printMap();
    }

}