84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#include <osgUtil/RenderLeaf>
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#include <osgUtil/StateGraph>
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#include <osg/Notify>
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using namespace osg;
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using namespace osgUtil;
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void RenderLeaf::render(osg::RenderInfo& renderInfo,RenderLeaf* previous)
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{
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osg::State& state = *renderInfo.getState();
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// don't draw this leaf if the abort rendering flag has been set.
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if (state.getAbortRendering())
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{
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//cout << "early abort"<<endl;
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return;
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}
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if (previous)
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{
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// apply matrices if required.
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state.applyProjectionMatrix(_projection.get());
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state.applyModelViewMatrix(_modelview.get());
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// apply state if required.
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StateGraph* prev_rg = previous->_parent;
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StateGraph* prev_rg_parent = prev_rg->_parent;
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StateGraph* rg = _parent;
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if (prev_rg_parent!=rg->_parent)
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{
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StateGraph::moveStateGraph(state,prev_rg_parent,rg->_parent);
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// send state changes and matrix changes to OpenGL.
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state.apply(rg->getStateSet());
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}
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else if (rg!=prev_rg)
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{
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// send state changes and matrix changes to OpenGL.
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state.apply(rg->getStateSet());
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}
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// draw the drawable
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_drawable->draw(renderInfo);
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}
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else
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{
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// apply matrices if required.
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state.applyProjectionMatrix(_projection.get());
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state.applyModelViewMatrix(_modelview.get());
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// apply state if required.
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StateGraph::moveStateGraph(state,NULL,_parent->_parent);
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state.apply(_parent->getStateSet());
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// draw the drawable
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_drawable->draw(renderInfo);
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}
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if (_dynamic)
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{
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state.decrementDynamicObjectCount();
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}
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// osg::notify(osg::NOTICE)<<"RenderLeaf "<<_drawable->getName()<<" "<<_depth<<std::endl;
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}
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