/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author turing
 */
import javax.microedition.lcdui.*;
import javax.microedition.rms.*;
import java.io.*;
public class KaardiLouend extends Canvas{
 int x, y;
 RecordStore rs;
 RecordEnumeration re;

   public KaardiLouend(){
    try{
     rs=RecordStore.openRecordStore("kohad", true);
     re=rs.enumerateRecords(null, null, true);
    }catch(Exception e){System.out.println(e.getMessage());}
  }

  protected void paint(Graphics g){
     g.setColor(255, 255, 255);
     g.fillRect(0, 0, getWidth(), getHeight());
     g.setColor(0, 0, 0);
     g.drawRect(x-5, y-5, 10, 10);
     re.rebuild();
     try{
     while(re.hasNextElement()){
       byte[] b=re.nextRecord();
       DataInputStream dis=new DataInputStream(new ByteArrayInputStream(b));
       int ux=dis.readInt();
       int uy=dis.readInt();
       g.fillRect(ux-5, uy-5, 10, 10);
     }
     }catch(Exception ex){
       ex.printStackTrace();
     }
  }



  protected void keyPressed(int kood){
    if(getGameAction(kood)==Canvas.LEFT){x--;}
    if(getGameAction(kood)==Canvas.RIGHT){x++;}
    if(getGameAction(kood)==Canvas.UP){y--;}
    if(getGameAction(kood)==Canvas.DOWN){y++;}
    if(getGameAction(kood)==Canvas.FIRE){
       lisaKirje();
    }
    repaint();
  }

  void lisaKirje(){
      byte[] bm=leiaBaidiMassiiv();
      try{
       rs.addRecord(bm, 0, bm.length);
      }catch(Exception e){
        System.out.println(e.getMessage());
      }
    }

    byte[] leiaBaidiMassiiv(){
     ByteArrayOutputStream bos=new ByteArrayOutputStream();
     DataOutputStream dos=new DataOutputStream(bos);
     try{
      dos.writeInt(x);
      dos.writeInt(y);
     }catch(Exception e){System.out.println(e.getMessage());}
     return bos.toByteArray();
    }

  public void showNotify(){
    x=getWidth()/2;
    y=getHeight()/2;
  }

}