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An open source implementation of the Distributed Interactive Simulation (DIS) IEEE-1278 protocol
package edu.nps.moves.dismobile;
import java.util.*;
import java.io.*;
import edu.nps.moves.disenum.*;
import edu.nps.moves.disutil.*;
/**
* Section 5.3.11.5: Information about the addition/modification of an oobject that is geometrically achored to the terrain with a set of three or more points that come to a closure. COMPLETE
*
* Copyright (c) 2008-2010, MOVES Institute, Naval Postgraduate School. All rights reserved.
* This work is licensed under the BSD open source license, available at https://www.movesinstitute.org/licenses/bsd.html
*
* @author DMcG
*/
public class ArealObjectStatePdu extends SyntheticEnvironmentFamilyPdu implements Serializable
{
/** Object in synthetic environment */
protected EntityID objectID = new EntityID();
/** Object with which this point object is associated */
protected EntityID referencedObjectID = new EntityID();
/** unique update number of each state transition of an object */
protected int updateNumber;
/** force ID */
protected short forceID;
/** modifications enumeration */
protected short modifications;
/** Object type */
protected EntityType objectType = new EntityType();
/** Object appearance */
protected SixByteChunk objectAppearance = new SixByteChunk();
/** Number of points */
protected int numberOfPoints;
/** requesterID */
protected SimulationAddress requesterID = new SimulationAddress();
/** receiver ID */
protected SimulationAddress receivingID = new SimulationAddress();
/** location of object */
protected List< Vector3Double> objectLocation = new ArrayList();
/** Constructor */
public ArealObjectStatePdu()
{
setPduType( (short)45 );
}
public int getMarshalledSize()
{
int marshalSize = 0;
marshalSize = super.getMarshalledSize();
marshalSize = marshalSize + objectID.getMarshalledSize(); // objectID
marshalSize = marshalSize + referencedObjectID.getMarshalledSize(); // referencedObjectID
marshalSize = marshalSize + 2; // updateNumber
marshalSize = marshalSize + 1; // forceID
marshalSize = marshalSize + 1; // modifications
marshalSize = marshalSize + objectType.getMarshalledSize(); // objectType
marshalSize = marshalSize + objectAppearance.getMarshalledSize(); // objectAppearance
marshalSize = marshalSize + 2; // numberOfPoints
marshalSize = marshalSize + requesterID.getMarshalledSize(); // requesterID
marshalSize = marshalSize + receivingID.getMarshalledSize(); // receivingID
for(int idx=0; idx < objectLocation.size(); idx++)
{
Vector3Double listElement = objectLocation.get(idx);
marshalSize = marshalSize + listElement.getMarshalledSize();
}
return marshalSize;
}
public void setObjectID(EntityID pObjectID)
{ objectID = pObjectID;
}
public EntityID getObjectID()
{ return objectID;
}
public void setReferencedObjectID(EntityID pReferencedObjectID)
{ referencedObjectID = pReferencedObjectID;
}
public EntityID getReferencedObjectID()
{ return referencedObjectID;
}
public void setUpdateNumber(int pUpdateNumber)
{ updateNumber = pUpdateNumber;
}
public int getUpdateNumber()
{ return updateNumber;
}
public void setForceID(short pForceID)
{ forceID = pForceID;
}
public short getForceID()
{ return forceID;
}
public void setModifications(short pModifications)
{ modifications = pModifications;
}
public short getModifications()
{ return modifications;
}
public void setObjectType(EntityType pObjectType)
{ objectType = pObjectType;
}
public EntityType getObjectType()
{ return objectType;
}
public void setObjectAppearance(SixByteChunk pObjectAppearance)
{ objectAppearance = pObjectAppearance;
}
public SixByteChunk getObjectAppearance()
{ return objectAppearance;
}
public int getNumberOfPoints()
{ return (int)objectLocation.size();
}
/** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
* The getnumberOfPoints method will also be based on the actual list length rather than this value.
* The method is simply here for java bean completeness.
*/
public void setNumberOfPoints(int pNumberOfPoints)
{ numberOfPoints = pNumberOfPoints;
}
public void setRequesterID(SimulationAddress pRequesterID)
{ requesterID = pRequesterID;
}
public SimulationAddress getRequesterID()
{ return requesterID;
}
public void setReceivingID(SimulationAddress pReceivingID)
{ receivingID = pReceivingID;
}
public SimulationAddress getReceivingID()
{ return receivingID;
}
public void setObjectLocation(List pObjectLocation)
{ objectLocation = pObjectLocation;
}
public List getObjectLocation()
{ return objectLocation; }
public void marshal(DataOutputStream dos)
{
super.marshal(dos);
try
{
objectID.marshal(dos);
referencedObjectID.marshal(dos);
dos.writeShort( (short)updateNumber);
dos.writeByte( (byte)forceID);
dos.writeByte( (byte)modifications);
objectType.marshal(dos);
objectAppearance.marshal(dos);
dos.writeShort( (short)objectLocation.size());
requesterID.marshal(dos);
receivingID.marshal(dos);
for(int idx = 0; idx < objectLocation.size(); idx++)
{
Vector3Double aVector3Double = objectLocation.get(idx);
aVector3Double.marshal(dos);
} // end of list marshalling
} // end try
catch(Exception e)
{
System.out.println(e);}
} // end of marshal method
public void unmarshal(DataInputStream dis)
{
super.unmarshal(dis);
try
{
objectID.unmarshal(dis);
referencedObjectID.unmarshal(dis);
updateNumber = (int)dis.readUnsignedShort();
forceID = (short)dis.readUnsignedByte();
modifications = (short)dis.readUnsignedByte();
objectType.unmarshal(dis);
objectAppearance.unmarshal(dis);
numberOfPoints = (int)dis.readUnsignedShort();
requesterID.unmarshal(dis);
receivingID.unmarshal(dis);
for(int idx = 0; idx < numberOfPoints; idx++)
{
Vector3Double anX = new Vector3Double();
anX.unmarshal(dis);
objectLocation.add(anX);
}
} // end try
catch(Exception e)
{
System.out.println(e);
}
} // end of unmarshal method
/**
* Packs a Pdu into the ByteBuffer.
* @throws java.nio.BufferOverflowException if buff is too small
* @throws java.nio.ReadOnlyBufferException if buff is read only
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin writing
* @since ??
*/
public void marshal(java.nio.ByteBuffer buff)
{
super.marshal(buff);
objectID.marshal(buff);
referencedObjectID.marshal(buff);
buff.putShort( (short)updateNumber);
buff.put( (byte)forceID);
buff.put( (byte)modifications);
objectType.marshal(buff);
objectAppearance.marshal(buff);
buff.putShort( (short)objectLocation.size());
requesterID.marshal(buff);
receivingID.marshal(buff);
for(int idx = 0; idx < objectLocation.size(); idx++)
{
Vector3Double aVector3Double = (Vector3Double)objectLocation.get(idx);
aVector3Double.marshal(buff);
} // end of list marshalling
} // end of marshal method
/**
* Unpacks a Pdu from the underlying data.
* @throws java.nio.BufferUnderflowException if buff is too small
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin reading
* @since ??
*/
public void unmarshal(java.nio.ByteBuffer buff)
{
super.unmarshal(buff);
objectID.unmarshal(buff);
referencedObjectID.unmarshal(buff);
updateNumber = (int)(buff.getShort() & 0xFFFF);
forceID = (short)(buff.get() & 0xFF);
modifications = (short)(buff.get() & 0xFF);
objectType.unmarshal(buff);
objectAppearance.unmarshal(buff);
numberOfPoints = (int)(buff.getShort() & 0xFFFF);
requesterID.unmarshal(buff);
receivingID.unmarshal(buff);
for(int idx = 0; idx < numberOfPoints; idx++)
{
Vector3Double anX = new Vector3Double();
anX.unmarshal(buff);
objectLocation.add(anX);
}
} // end of unmarshal method
/*
* The equals method doesn't always work--mostly it works only on classes that consist only of primitives. Be careful.
*/
@Override
public boolean equals(Object obj)
{
if(this == obj){
return true;
}
if(obj == null){
return false;
}
if(getClass() != obj.getClass())
return false;
return equalsImpl(obj);
}
@Override
public boolean equalsImpl(Object obj)
{
boolean ivarsEqual = true;
if(!(obj instanceof ArealObjectStatePdu))
return false;
final ArealObjectStatePdu rhs = (ArealObjectStatePdu)obj;
if( ! (objectID.equals( rhs.objectID) )) ivarsEqual = false;
if( ! (referencedObjectID.equals( rhs.referencedObjectID) )) ivarsEqual = false;
if( ! (updateNumber == rhs.updateNumber)) ivarsEqual = false;
if( ! (forceID == rhs.forceID)) ivarsEqual = false;
if( ! (modifications == rhs.modifications)) ivarsEqual = false;
if( ! (objectType.equals( rhs.objectType) )) ivarsEqual = false;
if( ! (objectAppearance.equals( rhs.objectAppearance) )) ivarsEqual = false;
if( ! (numberOfPoints == rhs.numberOfPoints)) ivarsEqual = false;
if( ! (requesterID.equals( rhs.requesterID) )) ivarsEqual = false;
if( ! (receivingID.equals( rhs.receivingID) )) ivarsEqual = false;
for(int idx = 0; idx < objectLocation.size(); idx++)
{
if( ! ( objectLocation.get(idx).equals(rhs.objectLocation.get(idx)))) ivarsEqual = false;
}
return ivarsEqual && super.equalsImpl(rhs);
}
} // end of class