Level3.java

import greenfoot.*;
import java.util.ArrayList;

public class Level3 extends World {
    private GreenfootImage bg;
    private GreenfootSound backgroundMusic;
    private int roomWidth = 700, roomHeight = 700;
    private Player player;
    private HealthBar healthBar;
    private Actor timeDisplay, countdownDisplay;
    private long startTime;
    private static final int GAME_TIME_LIMIT = 60 * 1000;
    private int remainingTime;
    private static final int INITIAL_DELAY = 3 * 60;
    private int delayCounter = INITIAL_DELAY;
    private boolean gameWon = false;

    private int Zombie4Count = 0, maxZombie4s = 10;
    private int Zombie2Count = 0, maxZombie2s = 10;
    private int greatswordZombie4Count = 0, maxGreatswordZombie4s = 7;
    private int Zombie3Count = 0, maxZombie3s = 6;

    private int Zombie4SpawnTime, Zombie2SpawnTime, greatswordZombie4SpawnTime, Zombie3SpawnTime;
    private int Zombie4SpawnCounter = 0, Zombie2SpawnCounter = 0, greatswordZombie4SpawnCounter = 0, Zombie3SpawnCounter = 0;
    private int Zombie4Delay = 180, Zombie2Delay = 200, greatswordZombie4Delay = 300, Zombie3Delay = 350;
    private ArrayList<int[]> portalPositions;

    public Level3() {
        super(700, 700, 1, false);
        bg = new GreenfootImage("bg3.png");
        setBackground(bg);
        backgroundMusic = new GreenfootSound("backsound.mp3");
        backgroundMusic.playLoop();
        startTime = System.currentTimeMillis();

        countdownDisplay = new Actor() { public void act() {} };
        addObject(countdownDisplay, roomWidth / 2, 150);

        player = new Player();
        addObject(player, roomWidth / 2, roomHeight / 2);

        healthBar = new HealthBar(player.getMaxHealth());
        addObject(healthBar, 130, 50);

        portalPositions = new ArrayList<>();
        addPortal(550, 30);
        addPortal(10, 600);
        addPortal(10, 150);
        addPortal(670, 150);
        addPortal(670, 550);
        addPortal(600, 670);
        addPortal(150, 670);

        Zombie4SpawnTime = Greenfoot.getRandomNumber(150) + 50;
        Zombie2SpawnTime = Greenfoot.getRandomNumber(150) + 50;
        greatswordZombie4SpawnTime = Greenfoot.getRandomNumber(150) + 50;
        Zombie3SpawnTime = Greenfoot.getRandomNumber(150) + 50;

        timeDisplay = new Actor() { public void act() {} };
        addObject(timeDisplay, 150, 30);
    }

    private void addPortal(int x, int y) {
        Portal portal = new Portal();
        addObject(portal, x, y);
        if (y < 100 || y > 600) portal.setRotation(90);
        portalPositions.add(new int[]{x, y});
    }

    public void act() {
        if (player == null) return;

        if (delayCounter > 0) {
            player.setCanMove(false);
            delayCounter--;
            updateCountdownDisplay();
            return;
        } else if (delayCounter == 0) {
            player.setCanMove(true);
            if (countdownDisplay.getWorld() != null) removeObject(countdownDisplay);
            startTime = System.currentTimeMillis();
            delayCounter = -1;
        }

        if (player.getHealth() <= 0 || player.isDead()) {
            gameOver();
            return;
        }

        if (System.currentTimeMillis() - startTime >= GAME_TIME_LIMIT) {
            victory();
            return;
        }

        healthBar.updateHealth(player.getHealth());
        handleSpawning();
        remainingTime = (int) ((GAME_TIME_LIMIT - (System.currentTimeMillis() - startTime)) / 1000);
        updateTimeDisplay();
        increaseDifficultyOverTime();
    }

    private void increaseDifficultyOverTime() {
        int elapsed = (int)((System.currentTimeMillis() - startTime) / 1000);
        if (elapsed % 15 == 0) {
            Zombie4Delay = Math.max(80, Zombie4Delay - 5);
            Zombie2Delay = Math.max(90, Zombie2Delay - 5);
            greatswordZombie4Delay = Math.max(120, greatswordZombie4Delay - 10);
            Zombie3Delay = Math.max(150, Zombie3Delay - 10);
        }
    }

    public void stopped() {
        if (backgroundMusic != null) backgroundMusic.stop();
    }

    public void started() {
        if (backgroundMusic != null && !backgroundMusic.isPlaying()) backgroundMusic.playLoop();
    }

    private void gameOver() {
        backgroundMusic.stop();
        Greenfoot.setWorld(new GameOver());
    }

    private void victory() {
        backgroundMusic.stop();
        Greenfoot.setWorld(new Victory());
    }

    private void handleSpawning() {
        if (Zombie4Count < maxZombie4s) {
            Zombie4SpawnCounter++;
            if (Zombie4SpawnCounter >= Zombie4SpawnTime + Zombie4Delay) {
                summonZombie4();
                Zombie4SpawnCounter = 0;
                Zombie4SpawnTime = Greenfoot.getRandomNumber(150) + 80;
            }
        }
        if (Zombie2Count < maxZombie2s) {
            Zombie2SpawnCounter++;
            if (Zombie2SpawnCounter >= Zombie2SpawnTime + Zombie2Delay) {
                summonZombie2();
                Zombie2SpawnCounter = 0;
                Zombie2SpawnTime = Greenfoot.getRandomNumber(150) + 80;
            }
        }
        if (greatswordZombie4Count < maxGreatswordZombie4s) {
            greatswordZombie4SpawnCounter++;
            if (greatswordZombie4SpawnCounter >= greatswordZombie4SpawnTime + greatswordZombie4Delay) {
                summonGreatswordZombie4();
                greatswordZombie4SpawnCounter = 0;
                greatswordZombie4SpawnTime = Greenfoot.getRandomNumber(150) + 80;
            }
        }
        if (Zombie3Count < maxZombie3s) {
            Zombie3SpawnCounter++;
            if (Zombie3SpawnCounter >= Zombie3SpawnTime + Zombie3Delay) {
                summonZombie3();
                Zombie3SpawnCounter = 0;
                Zombie3SpawnTime = Greenfoot.getRandomNumber(150) + 80;
            }
        }
    }

    private void summonZombie4() {
        Zombie4 z = new Zombie4();
        int[] pos = portalPositions.get(Greenfoot.getRandomNumber(portalPositions.size()));
        addObject(z, pos[0], pos[1]);
        Zombie4Count++;
    }

    private void summonZombie2() {
        Zombie2 z2 = new Zombie2();
        int[] pos = portalPositions.get(Greenfoot.getRandomNumber(portalPositions.size()));
        addObject(z2, pos[0], pos[1]);
        Zombie2Count++;
    }

    private void summonGreatswordZombie4() {
        Zombie1 g = new Zombie1();
        int[] pos = portalPositions.get(Greenfoot.getRandomNumber(portalPositions.size()));
        addObject(g, pos[0], pos[1]);
        greatswordZombie4Count++;
    }

    private void summonZombie3() {
        Zombie3 z3 = new Zombie3();
        int[] pos = portalPositions.get(Greenfoot.getRandomNumber(portalPositions.size()));
        addObject(z3, pos[0], pos[1]);
        Zombie3Count++;
    }

 private void updateTimeDisplay() {
        GreenfootImage img = new GreenfootImage(220, 50);
        img.setColor(Color.WHITE);
        img.setFont(new Font(true, false, 20));
        img.drawString("Time: " + remainingTime + "s", 10, 30);
        timeDisplay.setImage(img);
    }   


  private void updateCountdownDisplay() {
    int seconds = (int) Math.ceil((double) delayCounter / 60.0);
    String text = seconds > 0 ? "Level 3 dimulai dalam: " + seconds : "";

    GreenfootImage img = new GreenfootImage(roomWidth, roomHeight);
    Font font = new Font("Monospaced", true, false, 40);
    img.setFont(font);

    GreenfootImage textImg = new GreenfootImage(text, 40, Color.RED, new Color(0, 0, 0, 0));

    int x = (img.getWidth() - textImg.getWidth()) / 2 - 10; 
    int y = (img.getHeight() - textImg.getHeight()) / 2;

    img.drawImage(textImg, x, y);
    countdownDisplay.setImage(img);
}

}