import java.awt.AWTEvent;
import java.awt.event.*;
import java.util.Enumeration;
import javax.media.j3d.*;
import javax.vecmath.*;
import javax.swing.JRadioButton;
import com.sun.j3d.utils.universe.*;

public class HMDCoexistToTBBehavior extends Behavior {

  private WakeupCondition keyCriterion;

  double distance, rotation;
  PhysicalEnvironment environment;
 
  JRadioButton rb;
  
  public HMDCoexistToTBBehavior(PhysicalEnvironment environment, JRadioButton rb) {
    this.environment = environment;
    this.rb = rb;
    System.out.println("HMDCoexistToTBBehavior constructor");
  }

  public void initialize() {
    
    WakeupCriterion[] keyEvents = new WakeupCriterion[2];

    keyEvents[0] = new WakeupOnAWTEvent( KeyEvent.KEY_PRESSED );
    keyEvents[1] = new WakeupOnAWTEvent( KeyEvent.KEY_RELEASED );
    keyCriterion = new WakeupOr( keyEvents );
    wakeupOn( keyCriterion );
    System.out.println("initialize complete");
  }



  public void processStimulus( Enumeration criteria ) { 
    WakeupCriterion wakeup;
    AWTEvent[] event;
    while( criteria.hasMoreElements() ) {
      wakeup = (WakeupCriterion) criteria.nextElement();
      if( !(wakeup instanceof WakeupOnAWTEvent) )
        continue;

      event = ((WakeupOnAWTEvent)wakeup).getAWTEvent();
      for( int i = 0; i < event.length; i++ ) {
        if( event[i].getID() == KeyEvent.KEY_PRESSED & rb.isSelected()==true)
        {
          processKeyEvent((KeyEvent)event[i]);
        }
      }
    }
    wakeupOn( keyCriterion );
  }

  protected void processKeyEvent(KeyEvent event) {
    int keycode = event.getKeyCode();
    Transform3D ctotb = new Transform3D();
    environment.getCoexistenceToTrackerBase(ctotb);
    
    Transform3D tchange = new Transform3D();
    tchange.setIdentity();
    //if cntl rotate + - if not cntl rotate +


     if (event.isAltDown()) {
        distance = -1;
        rotation = -1*Math.PI/72;
     }
     else {
        distance = 1;
        rotation = Math.PI/72;       
     }
    
    //if shift --translate; else rotate
        
    if (event.isShiftDown()) { 
 
       if(keycode == KeyEvent.VK_X) {
        System.out.println("translating X for CoexistenceToTrackerBase");
        tchange.setTranslation(new Vector3d(distance, 0.0, 0.0));
      } 
      else if(keycode == KeyEvent.VK_Y) {
        System.out.println("rotating around Y for CoexistenceToTrackerBase");
        tchange.setTranslation(new Vector3d(0.0, distance, 0.0));
      }  
      else if(keycode == KeyEvent.VK_Z) {
        System.out.println("rotating around Z for CoexistenceToTrackerBase");
        tchange.setTranslation(new Vector3d(0.0, 0.0, distance));
      }
    }
    else {
      if(keycode == KeyEvent.VK_X) {
         System.out.println("rotating around X for CoexistenceToTrackerBase");
         tchange.rotX(rotation);
      } 
      else if(keycode == KeyEvent.VK_Y) {
         System.out.println("rotating around Y for CoexistenceToTrackerBase");
        tchange.rotY(rotation);
      }  
      else if(keycode == KeyEvent.VK_Z) {
         System.out.println("rotating around Z for CoexistenceToTrackerBase");
         tchange.rotZ(rotation);
      }
   }    
       ctotb.mul(tchange);
       environment.setCoexistenceToTrackerBase(ctotb);
  }

}