Serious-Engine/Sources/Engine/Network/EntityHashing.cpp
2016-03-11 18:20:51 -06:00

62 lines
2.2 KiB
C++

/* 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;
};