import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
import java.util.List;
/**
 * Write a description of class Enemys here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Enemys extends ScrollActors
{
    private boolean allowFire;
    private MyWorld world;
    private boolean isAlive;

    public Enemys()
    {
        allowFire = false;
        if(getWorld() instanceof MyWorld){
            world = (MyWorld) getWorld();
        }
        isAlive = true;
    }

    /**
     * Act - do whatever the Enemys wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public void act() 
    {
        turnToTank();
        move(1);
        if(isTouching(Obstacles.class)){
            move(-10);
            turn(Greenfoot.getRandomNumber(180));
        }
        if(Greenfoot.getRandomNumber(30) < 1){
            turn(Greenfoot.getRandomNumber(91));
        }
        removeDead();
    }

    public void turnToTank()
    {
        List<Tank> tank = getObjectsInRange(170, Tank.class);
        if( !tank.isEmpty()){
            Tank myTank = tank.get(0);
            turnTowards(myTank.getX(), myTank.getY());
            allowFire = true;
        }
        else {
            allowFire = false;
        }
    }

    public boolean getAllowFire()
    {
        return allowFire;
    }

    public void addScore(int amountPoints)
    {
        Counter counter = world.getCounter();
        counter.add(amountPoints);

    }

    public void die(MedKit medKit)
    {

        if(Greenfoot.getRandomNumber(3) == 2){
            world.addObject(medKit,getX(),getY());
        }
        isAlive = false;
    }
    
    public void removeDead()
    {
        if(!isAlive){
            world.removeObject(this);
        }
    }
    
    public void markDead()
    {
        isAlive = false;
    }

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

/**
 * Write a description of class Firemonster here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Firemonster extends Enemys
{
    private int hp; // healthpoints
    private int fireBallCastingTime; //time it takes to cast fireball
    private int castDelayCount; //time since last casting a fireball
    private HealthBar healthBar;
    private int maxHp;
    private static final int POINTS = 250;
    public Firemonster()
    {
        super();
        hp = 1000;
        fireBallCastingTime = 20;
        castDelayCount = 0;
        maxHp = 1000;
        healthBar = null;
    }

    /**
     * Act - do whatever the Firemonster wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public void act() 
    {
        super.act();
        addHealthBarAndUpdate();
        setImage();
        castDelayCount++;
        shootFireBall();
        checkStatus();
    } 

    public void setImage()
    {
        String[] image = {"FireMonster0.png","FireMonster1.png","FireMonster2.png","FireMonster3.png","FireMonster4.png","FireMonster5.png","FireMonster6.png","FireMonster7.png","FireMonster6.png","FireMonster6.png"};
        int[][] rotation = {
                {113,158,203,248,293,332,23,68,23,359},
                {68,113,158,203,248,293,332,23,0,332}
            };
        for(int teller = 0; teller < image.length; teller++){
            if(getRotation() < rotation[0][teller] && getRotation() >= rotation[1][teller]){  
                setImage(image[teller]);
                getImage().rotate(-getRotation());
            }
        }

    }

    public void checkStatus()
    {
        MyWorld world = (MyWorld) getWorld();
        Counter counter = world.getCounter();
        if(hp <= 0){
            if(Greenfoot.getRandomNumber(3) == 2){
                world.addObject(new MedKit() ,getX(),getY());
            }
            counter.add(POINTS);
            markDead();
        }

    }

    public void hit(int damageTaken)
    {
        hp = hp - damageTaken;
    }

    private void shootFireBall()
    {
        if(getAllowFire() == true){
            if(castDelayCount >= fireBallCastingTime){
                getWorld().addObject(new Fireball(getRotation()),getX(),getY());
                castDelayCount = 0;
            }
        }
    }

    private void addHealthBarAndUpdate()
    {

        if(healthBar == null){
            healthBar = new HealthBar(hp,maxHp);
            getWorld().addObject(healthBar,getX(), getY()- 28);

        }
        healthBar.update(getX(), getY() -28, hp);
    }
}