// Java Rocket by Exner Enterprises C. 1999
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.net.URL;
import java.util.*;
import java.applet.AudioClip;
	

public class Rocket extends Applet implements Runnable {
	Image offscreenImage;
	Graphics h;
	int appSizeX, appSizeY;
	Vector objVect;
	boolean threadRun=true;
	Thread runner;
	AudioClip launch;

   public void init(){
	appSizeX=this.size().width;
	appSizeY=this.size().height;

	launch = getAudioClip(getCodeBase(),"launch.au");
	offscreenImage = createImage(appSizeX, appSizeY);
	h = offscreenImage.getGraphics();
	
	Back.loadImages(this);

	objVect = new Vector();
	objVect.addElement(new Back());
	repaint();
   }

   public void paint(Graphics g) {
  	  Enumeration e = objVect.elements();
	  while(e.hasMoreElements()) {
	   ShowableObject c = (ShowableObject)e.nextElement();		
	   c.show(h);
	  }
	g.drawImage(offscreenImage,0,0,this);
   }

  public boolean mouseDown(Event evt, int x, int y) {
	if (ShowableObject.launch)
		launch.stop();
	else
		launch.loop();


	System.out.println("x: "+(x)+"y: "+(y));		// Debug position
  	  Enumeration e = objVect.elements();
	  while(e.hasMoreElements()) {
	   ShowableObject c = (ShowableObject)e.nextElement();		
	   c.setMousePoint(x,y);
	  }


	repaint();
	return true;
  }

   public boolean mouseUp(Event evt, int x, int y) {
	//b.contactUp();
	return true;
   }

   public boolean mouseDrag(Event evt, int x, int y) {
	//b.objectDrag(x,y);
	return true;
   }

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

/// Start Thread stuff
public void start() {
	if (runner == null) {
		runner= new Thread(this);
		runner.start();
		threadRun = true;
	}
}
	
public synchronized void stop() {
	if (runner != null) {
		runner.stop();
		runner = null;
	}
}

  public void run() {
	while (true) {
		//execute
			try { Thread.sleep(50); 
				repaint();
			} catch (InterruptedException e) {}
	} // End While
  } // End Run
} // End class Rocket
/////////////////// Back Class ///////////////////////////////
class Back extends ShowableObject {
	static Image imageStrip;
	int rocketX=252, rocketY=139;
	int height=300, width=300;

   public Back() {
	//Constructor
   }

   public static void loadImages(Applet parent){
	imageStrip = parent.getImage(parent.getCodeBase(),"data.gif");
   }

   public void show(Graphics g) {
	// Draw Sky
      //  drawStripImage(g, imageStrip,0, 0,10,height);
	for (int i=0; i<width; i+=10)
        drawStripImage(g, imageStrip,0, 0,10,height,i,0);

	// Draw Ground
      drawStripImage(g, imageStrip,10, 0,300,105,0,195);

	// Draw Rocket
      drawStripImage(g, imageStrip,11, 107,31,145,rocketX,rocketY);

	// Draw Flame
      drawStripImage(g, imageStrip,45, 105,50,145,rocketX-17,rocketY+141);

	// Draw Ground Over Flame
      drawStripImage(g, imageStrip,230, 81,80,24,220,276);

	// Draw Button
      drawStripImage(g, imageStrip,123, 110,131,160,0,0);

	// Test
//	g.drawString("1",25,52);
//	g.drawString("2",25,67);
//	g.drawString("3",25,82);

	if (!ShowableObject.launch) {
		g.setColor(Color.white);
		g.fill3DRect(14,36,100,40,true);
		g.setColor(Color.black);
		g.drawString("Launch",38,60);
	}

	if (ShowableObject.launch)
		if (rocketY > -300)
			rocketY-=3;
   }
	
   public void drawStripImage(Graphics g, Image imagePtr, int drawX, int drawY,int imageWidth, int imageHeight,int newX, int newY) {
     Graphics subArea = g.create(newX, newY, imageWidth, imageHeight);
     subArea.drawImage(imagePtr,-drawX,-drawY, this);
     subArea.dispose();
   }

   public void drawStripImage(Graphics g, Image imagePtr, int drawX, int drawY,int imageWidth, int imageHeight) {
     Graphics subArea = g.create(drawX, drawY, imageWidth, imageHeight);
     subArea.drawImage(imagePtr,-drawX,-drawY, this);
     subArea.dispose();
   }

} // End Class Back

/////////////////// ShowableObject Class ////////////////////////////
class ShowableObject extends Applet {
	static boolean launch=false;

	public void show (Graphics g) {
		return;
	}
	public void keyPress(Event evt, int key) {
		return;
	}
     	public void setMousePoint(int x ,int y) {
		if (x > 14 && x < 114)
			if (y > 35 && y < 75)
				launch = true;
		return;
   	}

}