1
//---------------------------------------------------------------------------
3
// Project: OpenWalnut ( http://www.openwalnut.org )
5
// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
6
// For more information see http://www.openwalnut.org/copying
8
// This file is part of OpenWalnut.
10
// OpenWalnut is free software: you can redistribute it and/or modify
11
// it under the terms of the GNU Lesser General Public License as published by
12
// the Free Software Foundation, either version 3 of the License, or
13
// (at your option) any later version.
15
// OpenWalnut is distributed in the hope that it will be useful,
16
// but WITHOUT ANY WARRANTY; without even the implied warranty of
17
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18
// GNU Lesser General Public License for more details.
20
// You should have received a copy of the GNU Lesser General Public License
21
// along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
23
//---------------------------------------------------------------------------
25
#include "WGENodeMaskCallback.h"
27
WGENodeMaskCallback::WGENodeMaskCallback( boost::shared_ptr< WBoolFlag > flag ):
32
m_connection = m_flag->getValueChangeCondition()->subscribeSignal(
33
boost::bind( &WGENodeMaskCallback::activate, this )
37
WGENodeMaskCallback::~WGENodeMaskCallback()
40
m_connection.disconnect();
43
void WGENodeMaskCallback::activate()
45
if( m_flag->get() ) // only handle activation here
51
void WGENodeMaskCallback::operator()( osg::Node* node, osg::NodeVisitor* nv )
53
// Deactivate the node
54
if( !m_flag->get() ) // only handle deactivation here
56
node->setNodeMask( 0x0 );
58
// NOTE: this also deactivates the callback. So reactivating the node is done in a separate method
59
// connect the flag's callback to the signal, only this way, we can ensure the reactivation of a node without saving a pointer to it.
60
m_reactivateConnection = m_reactivateSignal.connect( boost::bind( &osg::Node::setNodeMask, node, 0xFFFFFFFF ) );