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

public class CliffApp extends Applet
{

    public CliffApp()
    {
        receiver = null;
        receiverName = "receiverapp";
        startB = new Button("Start");
        stepB = new Button("Take Step");
        gameOver = false;
        xpos = 250;
        ypos = 2;
        winsNum = 0;
        losesNum = 0;
        forwardNum = 0;
        backNum = 0;
    }

    public boolean action(Event event, Object obj)
    {
        if(event.target == startB)
        {
            xpos = 250;
            ypos = 2;
            forwardNum = 0;
            backNum = 0;
            repaint();
				gameOver = false;
        }
        if(event.target == stepB && ypos == 2 && xpos < 401)
        {
            moveGuy();
            repaint();
        }
        return true;
    }

    public String getAppletInfo()
    {
        return "Cliff Hanger Applet copyright 1998 MSTE";
    }

    public void init()
    {
        backCliff = getImage(getCodeBase(), "back.jpg");
        drunkGuy = getImage(getCodeBase(), "guy.gif");
        setBackground(new Color(100, 100, 255));
        offscreenImage = createImage(size().width, size().height);
        offscreenGraphics = offscreenImage.getGraphics();
        add(startB);
        add(stepB);
        doh = getAudioClip(getCodeBase(), "doh.au");
        woohoo = getAudioClip(getCodeBase(), "woohoo.au");
        receiver = getAppletContext().getApplet(receiverName);
        repaint();
    }

    public void moveGuy()
    {
        int i = (int)(Math.random() * 3D);
        switch(i)
        {
        case 1: // '\001'
            xpos -= 10;
            forwardNum++;
            break;

        default:
            xpos += 10;
            backNum++;
            break;
        }
    }

    public void paint(Graphics g)
    {
		  if(xpos <= 400 && xpos >= 250)
        {
            offscreenGraphics.drawImage(backCliff, 0, 0, this);
            offscreenGraphics.drawImage(drunkGuy, xpos, ypos, this);
            g.drawImage(offscreenImage, 0, 0, this);
        } 
        else if (gameOver == false)
        {
            if(xpos > 400)
            {
                g.setColor(Color.red);
                g.setFont(new Font("TimesRoman", 1, 72));
                g.drawString("You Win!", 40, 200);
                woohoo.play();
                winsNum++;
                for(int i = 0; i < 0x989680; i++);
                g.setColor(Color.white);
                g.drawString("You Win!", 40, 200);
                for(int k = 0; k < 0x989680; k++);
                g.setColor(Color.red);
                g.drawString("You Win!", 40, 200);
                gameOver = true;
            }
            if(xpos < 250)
            {
                doh.play();
                losesNum++;
                while(ypos < 550) 
                {
                    ypos += 10;
                    offscreenGraphics.drawImage(drunkGuy, xpos, ypos, this);
                    for(int j = 0; j < 10000; j++);
                    offscreenGraphics.drawImage(backCliff, 0, 0, this);
                    offscreenGraphics.drawImage(drunkGuy, xpos, ypos, this);
                    g.drawImage(offscreenImage, 0, 0, this);
                }
                gameOver = true;
            }
        }
		  else
        {
            offscreenGraphics.drawImage(backCliff, 0, 0, this);
            g.drawImage(offscreenImage, 0, 0, this);
        }
        
        if(receiver != null && (receiver instanceof CliffStat))
            ((CliffStat)receiver).updateVal(winsNum, losesNum, forwardNum, backNum);
    }

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

    Image backCliff;
    Image drunkGuy;
    AudioClip doh;
    AudioClip woohoo;
    Image offscreenImage;
    Graphics offscreenGraphics;
    Applet receiver;
    String receiverName;
    Button startB;
    Button stepB;
    boolean gameOver;
    int xpos;
    int ypos;
    int winsNum;
    int losesNum;
    int forwardNum;
    int backNum;
}