flightgear/src/Main/FGInterpolator.cxx

// Property interpolation manager for SGPropertyNodes
//
// Copyright (C) 2013  Thomas Geymayer <tomgey@gmail.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA

#include "FGInterpolator.hxx"
#include "fg_props.hxx"
#include <simgear/scene/util/ColorInterpolator.hxx>

//------------------------------------------------------------------------------
FGInterpolator::FGInterpolator()
{
  addInterpolatorFactory<simgear::ColorInterpolator>("color");

  setRealtimeProperty( fgGetNode("/sim/time/delta-realtime-sec", true) );
  SGPropertyNode::setInterpolationMgr(this);
}

//------------------------------------------------------------------------------
FGInterpolator::~FGInterpolator()
{
  if( SGPropertyNode::getInterpolationMgr() == this )
    SGPropertyNode::setInterpolationMgr(0);
}