thegatekeeper-game/MyWorld.java at main · primagiant/thegatekeeper-game · GitHub

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import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)

/**
 * Write a description of class MyWorld here.
 *
 * @author (giant and adiani)
 * @version (0.1 alpha)
 */
public class MyWorld extends World
{
    private int frame = 0;
    public int randomSpawnPosition;

    public static Guardian guardian;
    public static Portal portal;
    public static int score;
    public static GreenfootSound backgroundMusic = new GreenfootSound("backround_music.mp3");

    private Counter healthCounter = new Counter("Health : ");
    private Counter scoreCounter = new Counter("Score : ");
    private Counter maxEnemyEntryCounter = new Counter("Max Enemy Entry : ");

    public MyWorld()
    {
        super(600, 600, 1);
        backgroundMusic.playLoop();
        prepare();
    }

    private void prepare()
    {
        guardian = new Guardian();
        portal = new Portal();
        addObject(guardian, 300, 350);
        addObject(portal, getWidth()/2, getHeight()/2);

        wallSetup();
        addObject(healthCounter,65,573);
        addObject(scoreCounter,65,24);
        addObject(maxEnemyEntryCounter,480,24);

        score = 0;
    }

    public void act()
    {
        healthCounter.setValue(neverBeNegative(guardian.health));
        scoreCounter.setValue(neverBeNegative(score));
        maxEnemyEntryCounter.setValue(neverBeNegative(portal.maxEnemyEntry));
        guardian.getImage().scale(22, 22);
        spawnEnemy();
    }

    private void spawnEnemy()
    {
        if(frame == 0){
            randomSpawnPosition = Greenfoot.getRandomNumber(4);
            switch(randomSpawnPosition)
            {
                case 0 : addObject(new FireHead(), 0, getHeight()/2);break;
                case 1 : addObject(new FireHead(), getWidth(), getHeight()/2);break;
                case 2 : addObject(new FireHead(), getWidth()/2, 0);break;
                case 3 : addObject(new FireHead(), getWidth()/2, getHeight());break;
            }
        }else if(frame == 90){
            randomSpawnPosition = Greenfoot.getRandomNumber(4);
            switch(randomSpawnPosition)
            {
                case 0 : addObject(new Skeleton(), 0, getHeight()/2);break;
                case 1 : addObject(new Skeleton(), getWidth(), getHeight()/2);break;
                case 2 : addObject(new Skeleton(), getWidth()/2, 0);break;
                case 3 : addObject(new Skeleton(), getWidth()/2, getHeight());break;
            }
        }else if(frame == 150){
            randomSpawnPosition = Greenfoot.getRandomNumber(4);
            int plusPixelSpawn = 45;
            switch(randomSpawnPosition)
            {
                case 0 : addObject(new Vampire(), plusPixelSpawn, plusPixelSpawn); break;
                case 1 : addObject(new Vampire(), getWidth()-plusPixelSpawn, plusPixelSpawn);break;
                case 2 : addObject(new Vampire(), plusPixelSpawn, getHeight()-plusPixelSpawn); break;
                case 3 : addObject(new Vampire(), getWidth()-plusPixelSpawn, getHeight()-plusPixelSpawn);break;
            }
            frame=-1;
        }
        frame++;
    }

    private void wallSetup()
    {
        //
        for (int i = 10; i < getHeight()/2-40; i+=20){
            addObject(new Wall(), 10, i);
            addObject(new Wall(), getWidth()-10, i);
        }

        for (int i = getHeight()/2+40-10; i < getHeight() ; i+=20){
            addObject(new Wall(), 10, i);
            addObject(new Wall(), getWidth()-10, i);
        }

        for (int i = 40; i < getWidth()/2-30; i+=30){
            addObject(new Wall(), i, 10);
            addObject(new Wall(), i, getHeight()-10);
        }

        for (int i = getWidth()-40; i > getWidth()/2+30; i-=30){
            addObject(new Wall(), i, 10);
            addObject(new Wall(), i, getHeight()-10);
        }
    }

    private int neverBeNegative(int val)
    {
        if(val < 0) {
            val = 0;
        }
        return val;
    }
}