Serious-Engine/Sources/Engine/Base/Changeable.cpp

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/* 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. */
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#include "Engine/StdH.h"
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#include <Engine/Base/Changeable.h>
#include <Engine/Base/ChangeableRT.h>
#include <Engine/Base/Updateable.h>
#include <Engine/Base/UpdateableRT.h>
#include <Engine/Base/Timer.h>
/*
* Constructor.
*/
CChangeable::CChangeable(void)
{
ch_LastChangeTime = TIME(-1);
}
/*
* Mark that something has changed in this object.
*/
void CChangeable::MarkChanged(void)
{
ch_LastChangeTime = _pTimer->CurrentTick();
}
/*
* Test if some updateable object is up to date with this changeable.
*/
BOOL CChangeable::IsUpToDate(const CUpdateable &ud) const
{
return ch_LastChangeTime < ud.LastUpdateTime();
}
/*
* Constructor.
*/
CChangeableRT::CChangeableRT(void)
{
ch_LastChangeTime = TIME(-1);
}
/*
* Mark that something has changed in this object.
*/
void CChangeableRT::MarkChanged(void)
{
ch_LastChangeTime = _pTimer->GetRealTimeTick();
}
/*
* Test if some updateable object is up to date with this changeable.
*/
BOOL CChangeableRT::IsUpToDate(const CUpdateableRT &ud) const
{
return ch_LastChangeTime < ud.LastUpdateTime();
}