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The Jadex BDI applications package contain several example applications, benchmarks and testcases using BDI agents.
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package jadex.bdi.examples.hunterprey_classic.environment;

import jadex.bdi.examples.hunterprey_classic.Creature;
import jadex.bdi.examples.hunterprey_classic.CurrentVision;
import jadex.bdi.examples.hunterprey_classic.Food;
import jadex.bdi.examples.hunterprey_classic.Hunter;
import jadex.bdi.examples.hunterprey_classic.Location;
import jadex.bdi.examples.hunterprey_classic.Observer;
import jadex.bdi.examples.hunterprey_classic.Obstacle;
import jadex.bdi.examples.hunterprey_classic.Prey;
import jadex.bdi.examples.hunterprey_classic.WorldObject;
import jadex.commons.gui.SGUI;

import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.MouseEvent;

import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.ToolTipManager;
import javax.swing.UIDefaults;


/**
 *  The map for the hunter prey world.
 */
public class MapPanel	extends JPanel
{
	//-------- constants --------

	/** The image icons. */
	public static final UIDefaults	icons	= new UIDefaults(new Object[]
	{
		"food",	SGUI.makeIcon(MapPanel.class, "/jadex/bdi/examples/hunterprey_classic/images/food.png"),
		"obstacle",	SGUI.makeIcon(MapPanel.class, "/jadex/bdi/examples/hunterprey_classic/images/obstacle.png"),
		"hunter", SGUI.makeIcon(MapPanel.class, "/jadex/bdi/examples/hunterprey_classic/images/hunter.png"),
		"prey", SGUI.makeIcon(MapPanel.class, "/jadex/bdi/examples/hunterprey_classic/images/prey.png"),
		"observer", SGUI.makeIcon(MapPanel.class, "/jadex/bdi/examples/hunterprey_classic/images/observer.png"),
		"background", SGUI.makeIcon(MapPanel.class, "/jadex/bdi/examples/hunterprey_classic/images/background.png")
	});

	//-------- attributes --------

	/** The vision to display in the panel. */
	protected CurrentVision	cv;

	/** The component to display obstacles. */
	protected JLabel	obstacle;

	/** The component to display food. */
	protected JLabel	food;

	/** The component to display prey. */
	protected JLabel	prey;

	/** The component to display hunters. */
	protected JLabel	hunter;

	/** The background image. */
	protected Image	background_image;

	/** The obstacle image. */
	protected Image	obstacle_image;

	/** The food image. */
	protected Image	food_image;

	/** The prey image. */
	protected Image	prey_image;

	/** The hunter image. */
	protected Image	hunter_image;

	/** Flag to indicate that component has changed and sizes have to be recalculated. */
	protected boolean	rescale;

	//-------- constructors --------

	/**
	 *  Create a new map panel.
	 */
	public MapPanel()
	{
		// Create icon images for objects in the world.
		this.background_image	= ((ImageIcon)icons.getIcon("background")).getImage();
		this.food_image	= ((ImageIcon)icons.getIcon("food")).getImage();
		this.obstacle_image	= ((ImageIcon)icons.getIcon("obstacle")).getImage();
		this.hunter_image	= ((ImageIcon)icons.getIcon("hunter")).getImage();
		this.prey_image	= ((ImageIcon)icons.getIcon("prey")).getImage();

		// Create components for objects in the world.
		this.obstacle	= new JLabel(new ImageIcon(obstacle_image), JLabel.CENTER);
		this.food	= new JLabel(new ImageIcon(food_image), JLabel.CENTER);
		this.hunter	= new JLabel(new ImageIcon(hunter_image), JLabel.CENTER);
		hunter.setVerticalTextPosition(JLabel.BOTTOM);
		hunter.setHorizontalTextPosition(JLabel.CENTER);
		this.prey	= new JLabel(new ImageIcon(prey_image), JLabel.CENTER);
		prey.setVerticalTextPosition(JLabel.BOTTOM);
		prey.setHorizontalTextPosition(JLabel.CENTER);

		// Trigger rescaling of images.
		this.addComponentListener(new ComponentAdapter()
		{
			public void	componentResized(ComponentEvent ce)
			{
				rescale	= true;
			}
		});

		// Activate tooltips.
		ToolTipManager.sharedInstance().registerComponent(this);
	}

	//-------- methods --------

	/**
	 *  Update the map with a new current vision.
	 *  @param cv	The new current vision to display.
	 */
	public void	update(CurrentVision cv)
	{
		this.cv	= cv;
		//this.invalidate();
		this.repaint();
	}

	//-------- paint methods --------

	// overridden paint method.
	protected void	paintComponent(Graphics g)
	{
		if(cv==null)
		{
			g.setColor(Color.BLACK);
			g.drawString("No vision!", getBounds().width/2, getBounds().height/2);
			return;
		}

		int	worldwidth	= cv.getCreature().getWorldWidth();
		int	worldheight	= cv.getCreature().getWorldHeight();
		Rectangle	bounds	= getBounds();
		double cellw = bounds.getWidth()/(double)worldwidth;
		double cellh = bounds.getHeight()/(double)worldheight;


		// Rescale images if necessary.
		if(rescale)
		{
			((ImageIcon)obstacle.getIcon()).setImage(
				obstacle_image.getScaledInstance((int)cellw, (int)cellh, Image.SCALE_DEFAULT));
			((ImageIcon)food.getIcon()).setImage(
				food_image.getScaledInstance((int)cellw, (int)cellh, Image.SCALE_DEFAULT));
			((ImageIcon)hunter.getIcon()).setImage(
				hunter_image.getScaledInstance((int)cellw, (int)cellh,Image.SCALE_DEFAULT));
			((ImageIcon)prey.getIcon()).setImage(
				prey_image.getScaledInstance((int)cellw, (int)cellh, Image.SCALE_DEFAULT));

			rescale	= false;
		}

		// Paint background.
		Image	image	= background_image;
		int w	= image.getWidth(this);
		int h	= image.getHeight(this);
		if(w>0 && h>0)
		{
			for(int y=0; y=worldwidth-vision)
				{
					for(int j=1; j<=vision; j++)
					{
						g.fillRect((int)(cellw*(loc.getX()-j-worldwidth)), (int)(cellh*(loc.getY()-j)), (int)(cellw*(j*2+1)), (int)(cellh*(j*2+1)));
					}
				}
				if(loc.getY()=worldheight-vision)
				{
					for(int j=1; j<=vision; j++)
					{
						g.fillRect((int)(cellw*(loc.getX()-j-worldheight)), (int)(cellh*(loc.getY()-j)), (int)(cellw*(j*2+1)), (int)(cellh*(j*2+1)));
					}
				}
			}
		}

		// Paint creatures.
		for(int i=0; i