import java.applet.*;
import java.awt.*;
import java.util.*;

public class AEP2 extends Applet implements Runnable{

	private static final String CHARACTORS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxwz";
	private static final char EMPTY_CHAR = '_';

	private char[] friends;
	private int[] friendX;
	private int killed;
	private boolean death;
	private AudioClip yahoo;
	private AudioClip natto;
	Thread thread;
	Random random;
	Image off;
	Graphics offg;

	public void init(){
		friends = new char[10];
		friendX = new int[10];
		yahoo = getAudioClip(getDocumentBase(),"yahoo1.au");
		natto = getAudioClip(getDocumentBase(),"spacemusic.au");
		random = new Random();
		off = createImage(100,100);
		offg = off.getGraphics();
		thread = null;
	}

	public void start(){
		for(int i = 0;i < 10;i++){
			friends[i] = EMPTY_CHAR;
			friendX[i] = -1;
		}
		killed = 0;
		death = false;
	}

	public void stop(){
		if(thread != null){
			thread.stop();
			thread = null;
		}
		natto.stop();
	}

	public synchronized void run(){
		while(true){
			try{
				if(killed < 950){
					wait(1000 - killed);
				}else{
					wait(50);
				}
			}catch(InterruptedException e){
				System.err.println(e);
			}
			for(int i = 9;i > 0;i--){
				if(i == 9 && friends[i] != EMPTY_CHAR){
					death = true;
				}
				friends[i] = friends[i - 1];
				int r = Math.abs(random.nextInt() % 3);
				switch(r){
				case 0:
					friendX[i] = friendX[i - 1] - 1;
					break;
				case 1:
					friendX[i] = friendX[i - 1];
					break;
				case 2:
					friendX[i] = friendX[i - 1] + 1;
				}
				if(friendX[i] < 0){
					friendX[i] = 0;
				}else if(friendX[i] > 9){
					friendX[i] = 9;
				}
			}
			friends[0] = CHARACTORS.charAt(Math.abs(random.nextInt() % CHARACTORS.length()));
			friendX[0] = Math.abs(random.nextInt() % 10);
			repaint();
		}
	}

	public void update(Graphics g){
		paint(g);
	}

	public void paint(Graphics g){
		offg.setColor(Color.black);
		offg.fillRect(0,0,100,100);
		offg.setColor(Color.white);
		offg.setFont(new Font("TimesRoman",Font.PLAIN,10));
		if(thread == null){
			offg.drawString("Avage Enemy Park 2",0,50);
			offg.drawString("Click Start",35,70);
		}else{
			if(death){
				offg.drawString("You Died! Point:" + new Integer(killed).toString(),0,50);
			}else{
				offg.drawString("Killed:" + new Integer(killed).toString(),0,50);
			}
			offg.setColor(Color.red);
			for(int i = 0;i < 10;i++){
				if(friends[i] != EMPTY_CHAR){
					offg.drawString(String.valueOf(friends[i]),friendX[i] * 10,i * 10 + 10);
				}
			}
		}
		g.drawImage(off,0,0,this);
	}

	public synchronized boolean keyDown(Event e,int k){
		if(!death){
			for(int i = 9;i > -1;i--){
				if(friends[i] != EMPTY_CHAR){
					if(friends[i] == (char)k){
						friends[i] = EMPTY_CHAR;
						friendX[i] = -1;
						killed++;
						yahoo.play();
						repaint();
						return true;
					}else{
						notify();
						return true;
					}
				}
			}
		}
		return false;
	}

	public boolean mouseUp(Event e,int x,int y){
		if(thread == null){
			thread = new Thread(this);
			thread.start();
			natto.loop();
			repaint();
			return true;
		}else if(death){
			stop();
			start();
			repaint();
			return true;
		}
		return false;
	}

}