// TheOthers.java

import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
import java.util.Vector;
import java.util.Date;

/**
 * This class accepts data from the server that defines where remote players should
 * be rendered, or if they have timedout , or if they need to be added as a new remote user.
 * It also defines the shared resources for all AnimationPoints (specifically sprite data).
 *
 * @author   Jack Wootton
 * @version  Last modified 10/03/05  
 **/
public class TheOthers
{
	public final static int WALK_UP = 0;

	public final static int WALK_RIGHT = 1;

	public final static int WALK_DOWN = 2;

	public final static int WALK_LEFT = 3;
	
	private static Vector animPoints;		// Used to keep track of connected players

	private static RemotePlayers rps;		// Deals with remote player rendering

	private static boolean exists;

	/**
	 * Static, so all AnimationPoints share image resources.
	 * There could be a lot of remote players, so this is vital.
	 */
	public static Image[] playerWalkingUp, playerWalkingRight, playerWalkingDown, playerWalkingLeft;


	TheOthers()
	{ 
		//
	}


	public static void init()
	{
		animPoints = new Vector();

		rps = new RemotePlayers();

		Image playerImage = ImageSet.loadClippedImage("/MaleCharacterSprites.png", 0, 0);

		playerWalkingUp = ImageSet.extractFrames(playerImage, 0, 0, 3, 1, 17, 32);

		playerWalkingRight = ImageSet.extractFrames(playerImage, 0, 32, 3, 1, 17, 32);

		playerWalkingDown =	ImageSet.extractFrames(playerImage, 0, 65, 3, 1, 17, 32);

		playerWalkingLeft =	ImageSet.extractFrames(playerImage, 0, 96, 3, 1, 17, 32);

	}


	/**
	 * @param newData = */
	public static void update(String newData)
	{
		Date currentDate;

	if (rps.completed())
	{
		String tmpData = new String();

		
		int start = 0, end = newData.indexOf(';');

		for (int i = 0; i < newData.length(); i++ )
		{
			tmpData = newData.substring(start, end);

			String tmpId = tmpData.substring(0, 4);

			int firstCom = tmpData.indexOf(',');

			int secondCom = tmpData.lastIndexOf(',');

			int tmpX = Integer.parseInt( tmpData.substring(firstCom + 1, secondCom) );

			int tmpY = Integer.parseInt( tmpData.substring(secondCom + 1, tmpData.length()) );

			exists = false;

			for (int k = 0; k < animPoints.size() ; k++ )
			{
				AnimationPoint ap = (AnimationPoint) animPoints.elementAt(k);

				if ( tmpId.equals( ap.getId() ) )
				{
					ap.updatePoints(tmpX, tmpY);
					exists = true;
					// break;
				}

				long lastUpdated = ap.getLastPoll().getTime();

				currentDate = new Date();

				if ( ( (currentDate.getTime() - lastUpdated) / 1000) > 10)
				{
					animPoints.removeElementAt(k);
				}
			}
			
			

			currentDate = new Date();

			if (! exists)
			{
				animPoints.addElement(new AnimationPoint(tmpX, tmpY, tmpId) );
			}
			

			start = end + 1;

			end = newData.indexOf(';', start);

			if (end < 0) break;
		}
	}
		print();
	}

	/* #DEBUG# */

	public static void print()
	{
		AnimationPoint a;
		for (int i = 0; i < animPoints.size() ; i++ )
		{
			a = (AnimationPoint) animPoints.elementAt(i);
		}
	}


	public static void paint(Graphics graphics)
	{
		rps.setVector(animPoints);
		rps.paint(graphics);
	}

}