/*	Written by Ramses Smeyers (rsmeyers@khk.org).
	Copyright (C) 2000 Ramses Smeyers

	This software may be used and distributed according
	to the terms of the GNU Public License, incorporated
	herein by reference.

	tux, tux_g and bsd taken from xtux 
		by David Lawrence (philaw@camtech.net.au)
	bill taken from xbill 
		by Brian Wellington and Matias Duarte
		images prepared by Dolphin (wim@hal.theo.kuleuven.ac.be)
*/

#define NOLOOP
//#define LOOP
#undef LOOP

#define ai0
#define ai1
#define ai2

#define tux
//#define tux_g
#undef tux_g
#define bsd
#define bill

#define NOTRANS
#undef TRANS

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
import java.awt.image.*;


public class Applet1 extends Applet implements KeyListener
{
	#if NOLOOP
		private animation tux0;
	#endif
	#if LOOP
		private thread tux0;
	#endif	
	
	#if ai0
		private thread ai0;
	#endif	
	#if ai1
		private thread ai1;
	#endif	
	#if ai2
		private thread ai2;
	#endif	

	private World world;
	private int worldnumber=0;
	
	private int movement=2, direction=3;
	Image images[][];
	
	private int width = 624;
	private int height = 500;
	
	public void init(){
		
		setBackground(Color.white);
		
		images = new Image[4][12];
	#if NOTRANS
		#if tux
			images[0][0] = getImage(getDocumentBase(),"tux/e1.jpg");
			images[0][1] = getImage(getDocumentBase(),"tux/e2.jpg");
			images[0][2] = getImage(getDocumentBase(),"tux/e3.jpg");
			images[0][3] = getImage(getDocumentBase(),"tux/n1.jpg");
			images[0][4] = getImage(getDocumentBase(),"tux/n2.jpg");
			images[0][5] = getImage(getDocumentBase(),"tux/n3.jpg");
			images[0][6] = getImage(getDocumentBase(),"tux/s1.jpg");
			images[0][7] = getImage(getDocumentBase(),"tux/s2.jpg");
			images[0][8] = getImage(getDocumentBase(),"tux/s3.jpg");
			images[0][9] = getImage(getDocumentBase(),"tux/w1.jpg");
			images[0][10] = getImage(getDocumentBase(),"tux/w2.jpg");
			images[0][11] = getImage(getDocumentBase(),"tux/w3.jpg");
		#endif
	#endif
	#if TRANS
		#if tux
			images [0][0]=Transparent("tux/e1.jpg");
			images [0][1]=Transparent("tux/e2.jpg");
			images [0][2]=Transparent("tux/e3.jpg");
			images [0][3]=Transparent("tux/n1.jpg");
			images [0][4]=Transparent("tux/n2.jpg");
			images [0][5]=Transparent("tux/n3.jpg");
			images [0][6]=Transparent("tux/s1.jpg");
			images [0][7]=Transparent("tux/s2.jpg");
			images [0][8]=Transparent("tux/s3.jpg");
			images [0][9]=Transparent("tux/w1.jpg");
			images [0][10]=Transparent("tux/w2.jpg");
			images [0][11]=Transparent("tux/w3.jpg");
		#endif
	#endif
	#if bsd	
		images[1][0] = getImage(getDocumentBase(),"bsd/e1.jpg");
		images[1][1] = getImage(getDocumentBase(),"bsd/e2.jpg");
		images[1][2] = getImage(getDocumentBase(),"bsd/e3.jpg");
		images[1][3] = getImage(getDocumentBase(),"bsd/n1.jpg");
		images[1][4] = getImage(getDocumentBase(),"bsd/n2.jpg");
		images[1][5] = getImage(getDocumentBase(),"bsd/n3.jpg");
		images[1][6] = getImage(getDocumentBase(),"bsd/s1.jpg");
		images[1][7] = getImage(getDocumentBase(),"bsd/s2.jpg");
		images[1][8] = getImage(getDocumentBase(),"bsd/s3.jpg");
		images[1][9] = getImage(getDocumentBase(),"bsd/w1.jpg");
		images[1][10] = getImage(getDocumentBase(),"bsd/w2.jpg");
		images[1][11] = getImage(getDocumentBase(),"bsd/w3.jpg");
	#endif
	#if tux_g
		images[2][0] = getImage(getDocumentBase(),"tux_g/e1.jpg");
		images[2][1] = getImage(getDocumentBase(),"tux_g/e2.jpg");
		images[2][2] = getImage(getDocumentBase(),"tux_g/e3.jpg");
		images[2][3] = getImage(getDocumentBase(),"tux_g/n1.jpg");
		images[2][4] = getImage(getDocumentBase(),"tux_g/n2.jpg");
		images[2][5] = getImage(getDocumentBase(),"tux_g/n3.jpg");
		images[2][6] = getImage(getDocumentBase(),"tux_g/s1.jpg");
		images[2][7] = getImage(getDocumentBase(),"tux_g/s2.jpg");
		images[2][8] = getImage(getDocumentBase(),"tux_g/s3.jpg");
		images[2][9] = getImage(getDocumentBase(),"tux_g/w1.jpg");
		images[2][10] = getImage(getDocumentBase(),"tux_g/w2.jpg");
		images[2][11] = getImage(getDocumentBase(),"tux_g/w3.jpg");
	#endif
	#if bill
		images[3][0] = getImage(getDocumentBase(),"bill/e1.jpg");
		images[3][1] = getImage(getDocumentBase(),"bill/e2.jpg");
		images[3][2] = getImage(getDocumentBase(),"bill/e3.jpg");
		images[3][3] = getImage(getDocumentBase(),"bill/n1.jpg");
		images[3][4] = getImage(getDocumentBase(),"bill/n2.jpg");
		images[3][5] = getImage(getDocumentBase(),"bill/n3.jpg");
		images[3][6] = getImage(getDocumentBase(),"bill/s1.jpg");
		images[3][7] = getImage(getDocumentBase(),"bill/s2.jpg");
		images[3][8] = getImage(getDocumentBase(),"bill/s3.jpg");
		images[3][9] = getImage(getDocumentBase(),"bill/w1.jpg");
		images[3][10] = getImage(getDocumentBase(),"bill/w2.jpg");
		images[3][11] = getImage(getDocumentBase(),"bill/w3.jpg");
	#endif
		
		world = new World(getGraphics(),worldnumber,width,height,movement);
		
		#if NOLOOP
			tux0= new animation(getGraphics(),world,images, 0,direction,0,272,116,1,1,width,height,movement);
		#endif
				 
		addKeyListener(this);
		requestFocus();
	}
	
	public void keyPressed (KeyEvent e){
		int keyCode = e.getKeyCode();
		switch(keyCode){
			case KeyEvent.VK_DOWN:	
				
				#if NOLOOP
					if (tux0.checkDown()) tux0.goDown ();
				#endif
				#if LOOP
					tux0.setDirection(2);
				#endif				
				break;
			case KeyEvent.VK_UP:	
				
				#if NOLOOP
					if (tux0.checkUp()) tux0.goUp();
				#endif
				#if LOOP
					tux0.setDirection(1);
				#endif
				break;
				
			case KeyEvent.VK_RIGHT:	
				
				#if NOLOOP
					if (tux0.checkRight()) tux0.goRight ();
				#endif
				#if LOOP
					tux0.setDirection(0);
				#endif
				break;

			case KeyEvent.VK_LEFT:	
				
				#if NOLOOP
					if (tux0.checkLeft()) tux0.goLeft ();
				#endif
				#if LOOP
					tux0.setDirection(3);
				#endif
				break;
		}
	}
	public void keyReleased(KeyEvent e){}
	public void keyTyped(KeyEvent e){}
	
	public void paint(Graphics g){
			world.teken();
			tux0.teken();
			tux0.teken();
			
	}

	public void start(){
	#if LOOP
		if (tux0==null){
			tux0 = new thread(getGraphics(),world,images, 0,direction,0,272,116,1,1,width,height,movement);
			tux0.start();
		}
	#endif	
	#if ai0
		if (ai0==null){
			ai0 = new thread(getGraphics(),world,images, 1,0,0,260,182,1,1,width,height,movement);
			ai0.start();
		}
	#endif
	#if ai1
		if (ai1==null){
			ai1 = new thread(getGraphics(),world,images, 3,0,0,296,260,1,1,width,height,movement);
			ai1.start();
		}
	#endif
	#if ai2
		if (ai2==null){
			ai2 = new thread(getGraphics(),world,images, 3,0,0,314,182,1,1,width,height,movement);
			ai2.start();
		}
	#endif
	}

	public void stop(){
	#if LOOP
		if (tux0!=null){
			tux0.stop();
			tux0=null;
		}
	#endif	
	#if ai0
		if (ai0!=null){
			ai0.stop();
			ai0=null;
		}
	#endif
	#if ai1
		if (ai1!=null){
			ai1.stop();
			ai1=null;
		}
	#endif
	#if ai2
		if (ai2!=null){
			ai2.stop();
			ai2=null;
		}
	#endif
	}
	
	public Image Transparent(String file){
		Image rawImage;
		int rawWidth;
		int rawHeight;

		Image modImage;
  
		int inTop;
		int inLeft;
  
		rawImage = Toolkit.getDefaultToolkit().getImage(file);
 
		MediaTracker tracker = new MediaTracker(this);
		tracker.addImage(rawImage,1);
        
		try{ 
			if(!tracker.waitForID(1,10000)){
				System.out.println("Load error.");
				System.exit(1);        
			}
		}catch(InterruptedException e){System.out.println(e);}
    
		rawWidth = rawImage.getWidth(this);
		rawHeight = rawImage.getHeight(this);

		this.setVisible(true);
		int[] pix = new int[rawWidth * rawHeight];

		try{
		
			PixelGrabber pgObj = new PixelGrabber(
							rawImage,0,0,rawWidth,rawHeight,
							pix,0,rawWidth);
            
			if(pgObj.grabPixels() && ((pgObj.getStatus() & 
                            ImageObserver.ALLBITS) != 0)){
				for(int cnt = 0; cnt < (rawWidth*rawHeight);cnt++){
					if (pix[cnt] >= 0xFFFFFFFF) pix[cnt]=0x00FFFFFF;
				}
			}
			else System.out.println("Pixel grab not successful");
		}catch(InterruptedException e){System.out.println(e);}
    
		modImage = this.createImage(
                   new MemoryImageSource(
					rawWidth,rawHeight,pix,0,rawWidth));
		return modImage;
	}
};