Serious-Engine/Sources/Engine/Network/EntityHashing.cpp

/* Copyright (c) 2002-2012 Croteam Ltd. 
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as published by
the Free Software Foundation


This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */

#include "EntityHashing.h"
#include <Engine\Templates\HashTable.cpp>

extern FLOAT ser_fPositionTreshold;
extern FLOAT ser_fOrientationTreshold;



BOOL CEntityHashItem::ClientNeedsUpdate(INDEX iClient,CNetworkMessage &nmMessage)
{
  ASSERT (iClient>=0 && iClient<SERVER_CLIENTS);

  CClientEntry ceEntry = ehi_ceClientEntries[iClient];

  CPlacement3D &plPlacement = ehi_epEntityPointer->en_plPlacement;
  CPlacement3D &plLastPlacement = ceEntry.ce_plLastSentPlacement;

  FLOAT fPositionDelta,fOrientationDelta;

  fPositionDelta =   fabs(plLastPlacement.pl_PositionVector(1) - plPlacement.pl_PositionVector(1))
                   + fabs(plLastPlacement.pl_PositionVector(2) - plPlacement.pl_PositionVector(2)) 
                   + fabs(plLastPlacement.pl_PositionVector(3) - plPlacement.pl_PositionVector(3));
  fOrientationDelta =   fabs(plLastPlacement.pl_OrientationAngle(1) - plPlacement.pl_OrientationAngle(1))
                      + fabs(plLastPlacement.pl_OrientationAngle(2) - plPlacement.pl_OrientationAngle(2))
                      + fabs(plLastPlacement.pl_OrientationAngle(3) - plPlacement.pl_OrientationAngle(3));

  BOOL bSendNow = (fPositionDelta >= ser_fPositionTreshold) || (fOrientationDelta > ser_fOrientationTreshold);

  if (bSendNow) {
    WritePackedPlacement(ceEntry,nmMessage);
    return TRUE;
  }

  return FALSE;

};


void CEntityHashItem::WritePackedPlacement(CClientEntry &ceEntry,CNetworkMessage &nmMessage)
{
  CPlacement3D &plPlacement = ehi_epEntityPointer->en_plPlacement;
  CPlacement3D &plLastPlacement = ceEntry.ce_plLastSentPlacement;



};