include/vrfExtProtocol/vrfObjectStateUpdate.h

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/*******************************************************************************
** Copyright (c) 2004 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: vrfObjectStateUpdate.h,v $ $Revision: 1.10 $ $State: Exp $
*******************************************************************************/

#ifndef DtVrfObjectStateUpdate_H_
#define DtVrfObjectStateUpdate_H_

#include <vector>
#include <vrfExtProtocol/ifaceCont.h>
#include <vlpi/NetStructs.h>

struct DtNetVrfObjectStateHeader
{
   DtNetU32    myNumberOfRecords;
   DtNetU32    myPadding;
};

struct DtNetVrfObjectStateRecord
{
   // HACK for visual studio 6.0.  For some reason, VC6 would not accept this 
   // structure in a std::container class without an operator= defined.
   DtNetVrfObjectStateRecord& operator=(const DtNetVrfObjectStateRecord& other) 
   {
      myGeocentricPosition = other.myGeocentricPosition;
      myGeocentricVelocity = other.myGeocentricVelocity;
      myGeocentricAcceleration = other.myGeocentricAcceleration;
      myGeocentricOrientation = other.myGeocentricOrientation;
      myObjectIdentifier = other.myObjectIdentifier;
      return *this;
   };

   DtNet64Vector           myGeocentricPosition;      // 96 bytes
   DtNet64Vector           myGeocentricVelocity;      // 96 bytes
   DtNet64Vector           myGeocentricAcceleration;  // 96 bytes
   DtNetEulerAngles        myGeocentricOrientation;   // 12 bytes
   DtNetU32                myPadding1;                //  4 bytes
   DtNetEntityIdentifier   myObjectIdentifier;        //  6 bytes
   DtNetU16                myPadding;                 //  2 bytes
};


// class DtVrfObjectStateUpdate:
//
// Instances of DtVrfObjectStateUpdate are

#include <vrfExtProtocol/vrfExtProtocolDefines.h>
class DT_DLL_vrfExtProtocol DtVrfObjectStateUpdate : public DtSimInterfaceContent
{
public:

   // default constructor
   DtVrfObjectStateUpdate();

   // destructor
   virtual ~DtVrfObjectStateUpdate();

   DtVrfObjectStateUpdate(const DtVrfObjectStateUpdate& orig);

   DtVrfObjectStateUpdate& operator=(const DtVrfObjectStateUpdate& orig);

   // Returns the type of Interface Content; DtVrfObjectStateMessageType.
   virtual int type() const;

   virtual DtSimInterfaceContent * clone() const;

   // Removes all records that have been added to the object state update.
   virtual void clear();

   virtual void add(const DtNetVrfObjectStateRecord& record);

   virtual const std::vector<DtNetVrfObjectStateRecord>& records() const;

   virtual int netRepSize() const;
   virtual bool setFromNet(const char* contentBuffer, 
      unsigned contentSize);
   virtual bool setToNet();

   virtual void printDataToString(DtString& str);

   static DtSimInterfaceContent* creator();

protected:

   std::vector<DtNetVrfObjectStateRecord> myRecords;
};

#endif