timoore
8f46f2cac8
Also, add a NodeAndDrawableVisitor that descends into osg::Drawable. That motivation for this is that it's a bad idea to modify state sets that the osgDB::SharedStateManager might be keeping.
52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
/* -*-c++-*-
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*
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* Copyright (C) 2008 Tim Moore
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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#ifndef SIMGEAR_NODEANDDRAWABLEVISITOR_HXX
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#define SIMGEAR_NODEANDDRAWABLEVISITOR_HXX 1
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#include <osg/Drawable>
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#include <osg/NodeVisitor>
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namespace simgear
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{
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/** A node visitor that descends into Drawables too.
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*/
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class NodeAndDrawableVisitor : public osg::NodeVisitor
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{
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public:
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NodeAndDrawableVisitor(osg::NodeVisitor::TraversalMode tm = osg::NodeVisitor::TRAVERSE_NONE);
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NodeAndDrawableVisitor(osg::NodeVisitor::VisitorType type,
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osg::NodeVisitor::TraversalMode tm = osg::NodeVisitor::TRAVERSE_NONE);
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virtual ~NodeAndDrawableVisitor();
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using osg::NodeVisitor::apply;
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virtual void apply(osg::Node& node);
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/** Visit a Drawable node. Note that you cannot write an apply()
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method with an argument that is a subclass of Drawable and expect
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it to be called, because this visitor can't add the double dispatch
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machinery of NodeVisitor to the existing OSG Drawable subclasses.
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*/
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virtual void apply(osg::Drawable& drawable);
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// hides NodeVisitor::traverse
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void traverse(osg::Node& node);
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};
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}
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#endif
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