motesimobject.java

这是无线传感器网络用的操作系统tinyos-1.1.0,未来的世界将是它呵

// $Id: MoteSimObject.java,v 1.4.4.3 2003/08/26 09:08:11 cssharp Exp $

/*									tab:2
 *
 *
 * "Copyright (c) 2000 and The Regents of the University 
 * of California.  All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation for any purpose, without fee, and without written
 * agreement is hereby granted, provided that the above copyright
 * notice and the following two paragraphs appear in all copies of
 * this software.
 * 
 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY
 * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
 * DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
 * DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE
 * PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
 * CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT,
 * UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
 *
 * Authors:	Phil Levis, Nelson Lee
 * Date:        December 11, 2002
 * Desc:        mote object for AdvSim
 *
 */

/**
 * @author Phil Levis
 * @author Nelson Lee
 */

package net.tinyos.sim;
import net.tinyos.sim.event.*;
import java.util.*;

public class MoteSimObject extends SimObject {
  private int id;

  public MoteSimObject(TinyViz tv, double x, double y, int id, SimObjectPopupMenu popup) {
    super(tv, MOTE_OBJECT_SIZE, popup);

    Attribute a;
    a = new MoteCoordinateAttribute(x, y);
    addAttribute(a);
    a = new MoteIDAttribute(id);
    addAttribute(a);
    this.id = id;
    a = new MoteLedsAttribute();
    addAttribute(a);
  }

  public int getID() {
    return id;
  }

  public MoteCoordinateAttribute getCoordinate() {
    return (MoteCoordinateAttribute)getAttribute("net.tinyos.sim.MoteCoordinateAttribute");
  }

  public boolean getPower() {
    MotePowerAttribute attr = (MotePowerAttribute)getAttribute("net.tinyos.sim.MotePowerAttribute");
    if (attr == null) return false;
    return attr.getPower();
  }

  public void setPower(boolean power) {
    MotePowerAttribute attr = (MotePowerAttribute)getAttribute("net.tinyos.sim.MotePowerAttribute");
    if (attr == null) {
      addAttribute(new MotePowerAttribute(power));
    } else {
      attr.setPower(power);
    }
  }

  public boolean pointInSimObjectSpace(int windowX, int windowY, CoordinateTransformer cT) {
    synchronized (simState) {
      MoteCoordinateAttribute coordAttrib = getCoordinate();
      double moteWinX = cT.simXToGUIX(coordAttrib.getX());
      double moteWinY = cT.simYToGUIY(coordAttrib.getY());
      double dx = (double)windowX - moteWinX;
      double dy = (double)windowY - moteWinY;
      int distance = (int)Math.sqrt((dx * dx) + (dy * dy));
      if (distance <= super.getObjectSize()) {
	return true;
      }
      return false;
    }
  }

  public boolean simObjectInQuad(double x1, double y1, double x2, double y2, CoordinateTransformer cT) {
    synchronized (simState) {
      MoteCoordinateAttribute coordAttrib = getCoordinate();
      double sGUIMinX = cT.simXToGUIX(coordAttrib.getX());
      double sGUIMaxX = sGUIMinX + getObjectSize();
      double sGUIMaxY = cT.simYToGUIY(coordAttrib.getY());
      double sGUIMinY = sGUIMaxY - getObjectSize();
      if ((((x1 <= sGUIMinX) && (sGUIMinX <= x2)) || ((x1 <= sGUIMaxX) && (sGUIMaxX <= x2))) &&
	  (((y1 <= sGUIMinY) && (sGUIMinY <= y2)) || ((y1 <= sGUIMaxY) && (sGUIMaxY <= y2)))) {
	return true;
      }
      return false;
    }
  }

  public void moveSimObject(int dx, int dy, CoordinateTransformer cT) {
    synchronized (simState) {	
      MoteCoordinateAttribute coordinateAttribute = getCoordinate();
      coordinateAttribute.setX(cT.guiXToSimX(dx) + coordinateAttribute.getX());
      coordinateAttribute.setY(cT.guiYToSimY(dy) + coordinateAttribute.getY());
    }
  }

  public void addCoordinateChangedEvent() {
    synchronized (simState) {
      MoteCoordinateAttribute coordinateAttribute = getCoordinate();
      eventBus.addEvent(new AttributeEvent(ATTRIBUTE_CHANGED, this, coordinateAttribute));
    }
  }

//  public boolean equals(Object o) {
 //   if (o instanceof MoteSimObject) {
  //    MoteSimObject mso = (MoteSimObject)o;
   //   if (mso.id == this.id) return true;
 //   }
 //   return false;
//  }

//  public int hashCode() {
//    return this.id;
//  }

  public String toString() {
    return "[Mote "+id+"]";
  }
}