726 lines
24 KiB
C++
726 lines
24 KiB
C++
/* OpenSceneGraph example, osgterrain.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <osgViewer/Viewer>
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#include <osgViewer/ViewerEventHandlers>
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#include <osgDB/ReadFile>
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#include <osgDB/WriteFile>
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#include <osgGA/TrackballManipulator>
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#include <osgGA/StateSetManipulator>
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#include <osgGA/TrackballManipulator>
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#include <osgGA/FlightManipulator>
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#include <osgGA/DriveManipulator>
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#include <osgGA/KeySwitchMatrixManipulator>
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#include <osgGA/AnimationPathManipulator>
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#include <osgGA/TerrainManipulator>
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#include <osgUtil/IncrementalCompileOperation>
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#include <osgUtil/Simplifier>
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#include <osgUtil/MeshOptimizers>
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class StripStateVisitor : public osg::NodeVisitor
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{
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public:
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StripStateVisitor(bool useStateSets, bool useDisplayLists, bool useVBO):
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osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
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_useStateSets(useStateSets),
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_useDisplayLists(useDisplayLists),
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_useVBO(useVBO) {}
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bool _useStateSets;
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bool _useDisplayLists;
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bool _useVBO;
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void apply(osg::Node& node)
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{
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if (!_useStateSets && node.getStateSet()) node.setStateSet(0);
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traverse(node);
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}
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void apply(osg::Geode& node)
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{
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if (!_useStateSets && node.getStateSet()) node.setStateSet(0);
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for(unsigned int i = 0; i<node.getNumDrawables(); ++i)
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{
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process(*node.getDrawable(i));
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}
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traverse(node);
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}
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void process(osg::Drawable& drawable)
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{
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if (!_useStateSets && drawable.getStateSet())
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{
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drawable.setStateSet(0);
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}
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drawable.setUseDisplayList(_useDisplayLists);
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drawable.setUseVertexBufferObjects(_useVBO);
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}
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};
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class SwapArrayVisitor : public osg::ArrayVisitor
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{
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public:
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SwapArrayVisitor(osg::Array* array):
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_array(array) {}
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template <class ARRAY>
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void apply_imp(ARRAY& array)
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{
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if (array.getType()!=_array->getType())
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{
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OSG_NOTICE<<"Arrays incompatible"<<std::endl;
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return;
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}
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OSG_NOTICE<<"Swapping Array"<<std::endl;
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array.swap(*static_cast<ARRAY*>(_array));
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}
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virtual void apply(osg::ByteArray& ba) { apply_imp(ba); }
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virtual void apply(osg::ShortArray& ba) { apply_imp(ba); }
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virtual void apply(osg::IntArray& ba) { apply_imp(ba); }
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virtual void apply(osg::UByteArray& ba) { apply_imp(ba); }
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virtual void apply(osg::UShortArray& ba) { apply_imp(ba); }
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virtual void apply(osg::UIntArray& ba) { apply_imp(ba); }
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virtual void apply(osg::Vec4ubArray& ba) { apply_imp(ba); }
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virtual void apply(osg::FloatArray& ba) { apply_imp(ba); }
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virtual void apply(osg::Vec2Array& ba) { apply_imp(ba); }
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virtual void apply(osg::Vec3Array& ba) { apply_imp(ba); }
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virtual void apply(osg::Vec4Array& ba) { apply_imp(ba); }
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osg::Array* _array;
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};
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class MemoryVisitor : public osg::NodeVisitor
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{
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public:
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MemoryVisitor():
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osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN) {}
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void reset()
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{
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_nodes.clear();
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_geometryMap.clear();
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_arrayMap.clear();
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_primitiveSetMap.clear();
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}
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void apply(osg::Node& node)
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{
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_nodes.insert(&node);
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traverse(node);
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}
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void apply(osg::Geode& geode)
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{
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_nodes.insert(&geode);
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for(unsigned int i=0; i<geode.getNumDrawables(); ++i)
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{
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apply(&geode, geode.getDrawable(i));
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}
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}
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void apply(osg::Geode* geode, osg::Drawable* drawable)
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{
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if (!drawable) return;
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osg::Geometry* geometry = drawable->asGeometry();
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if (geometry)
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{
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_geometryMap[geometry].insert(geode);
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apply(geometry, geometry->getVertexArray());
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apply(geometry, geometry->getNormalArray());
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apply(geometry, geometry->getColorArray());
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apply(geometry, geometry->getSecondaryColorArray());
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apply(geometry, geometry->getFogCoordArray());
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for(unsigned int i=0; i<geometry->getNumTexCoordArrays(); ++i)
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{
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apply(geometry, geometry->getTexCoordArray(i));
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}
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for(unsigned int i=0; i<geometry->getNumVertexAttribArrays(); ++i)
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{
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apply(geometry, geometry->getVertexAttribArray(i));
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}
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for(unsigned int i=0; i<geometry->getNumPrimitiveSets(); ++i)
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{
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apply(geometry, geometry->getPrimitiveSet(i));
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}
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}
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}
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void apply(osg::Geometry* geometry, osg::Array* array)
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{
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if (!array) return;
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_arrayMap[array].insert(geometry);
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}
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void apply(osg::Geometry* geometry, osg::PrimitiveSet* primitiveSet)
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{
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if (!primitiveSet) return;
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_primitiveSetMap[primitiveSet].insert(geometry);
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}
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void report(std::ostream& out)
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{
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OSG_NOTICE<<"Nodes "<<_nodes.size()<<std::endl;
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OSG_NOTICE<<"Geometries "<<_geometryMap.size()<<std::endl;
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OSG_NOTICE<<"Arrays "<<_arrayMap.size()<<std::endl;
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OSG_NOTICE<<"PrimitiveSets "<<_primitiveSetMap.size()<<std::endl;
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}
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void reallocate()
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{
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OSG_NOTICE<<"Reallocating Arrays"<<std::endl;
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typedef std::vector< osg::ref_ptr<osg::Array> > ArrayVector;
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typedef std::vector< osg::ref_ptr<osg::Geometry> > GeometryVector;
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ArrayVector newArrays;
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GeometryVector newGeometries;
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for(GeometryMap::iterator itr = _geometryMap.begin();
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itr != _geometryMap.end();
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++itr)
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{
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osg::Geometry* geometry = itr->first;
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bool useVBO = geometry->getUseVertexBufferObjects();
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osg::Geometry* newGeometry = osg::clone(geometry, osg::CopyOp(osg::CopyOp::DEEP_COPY_ALL));
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newGeometry->setUseVertexBufferObjects(false);
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newGeometry->setUseVertexBufferObjects(useVBO);
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newGeometries.push_back(newGeometry);
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}
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GeometryVector::iterator geom_itr = newGeometries.begin();
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for(GeometryMap::iterator itr = _geometryMap.begin();
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itr != _geometryMap.end();
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++itr, ++geom_itr)
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{
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osg::Geometry* geometry = itr->first;
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Geodes& geodes = itr->second;
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for(Geodes::iterator gitr = geodes.begin();
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gitr != geodes.end();
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++gitr)
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{
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osg::Geode* geode = const_cast<osg::Geode*>(*gitr);
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geode->replaceDrawable(geometry, geom_itr->get());
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}
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}
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}
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typedef std::vector< osg::ref_ptr<osg::Geometry> > GeometryVector;
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typedef std::pair<osg::Array*, osg::Array*> ArrayPair;
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typedef std::vector< ArrayPair > ArrayVector;
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typedef std::pair<osg::PrimitiveSet*, osg::PrimitiveSet*> PrimitiveSetPair;
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typedef std::vector< PrimitiveSetPair > PrimitiveSetVector;
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osg::Array* cloneArray(ArrayVector& arrayVector, osg::Array* array)
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{
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if (!array) return 0;
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osg::Array* newArray = static_cast<osg::Array*>(array->cloneType());
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arrayVector.push_back(ArrayPair(array,newArray));
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return newArray;
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}
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osg::PrimitiveSet* clonePrimitiveSet(PrimitiveSetVector& psVector, osg::PrimitiveSet* ps)
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{
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if (!ps) return 0;
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osg::PrimitiveSet* newPS = static_cast<osg::PrimitiveSet*>(ps->cloneType());
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psVector.push_back(PrimitiveSetPair(ps,newPS));
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return newPS;
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}
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void reallocate2()
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{
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OSG_NOTICE<<"Reallocating Arrays"<<std::endl;
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ArrayVector arrayVector;
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PrimitiveSetVector primitiveSetVector;
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GeometryVector newGeometries;
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for(GeometryMap::iterator itr = _geometryMap.begin();
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itr != _geometryMap.end();
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++itr)
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{
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osg::Geometry* geometry = itr->first;
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osg::ref_ptr<osg::Geometry> newGeometry = osg::clone(geometry, osg::CopyOp::SHALLOW_COPY);
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newGeometries.push_back(newGeometry.get());
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newGeometry->setVertexArray(cloneArray(arrayVector, geometry->getVertexArray()));
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newGeometry->setNormalArray(cloneArray(arrayVector, geometry->getNormalArray()));
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newGeometry->setColorArray(cloneArray(arrayVector, geometry->getColorArray()));
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newGeometry->setSecondaryColorArray(cloneArray(arrayVector, geometry->getSecondaryColorArray()));
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newGeometry->setFogCoordArray(cloneArray(arrayVector, geometry->getFogCoordArray()));
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for(unsigned int i=0; i<geometry->getNumTexCoordArrays(); ++i)
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{
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newGeometry->setTexCoordArray(i, cloneArray(arrayVector, geometry->getTexCoordArray(i)));
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}
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for(unsigned int i=0; i<geometry->getNumVertexAttribArrays(); ++i)
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{
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newGeometry->setVertexAttribArray(i, cloneArray(arrayVector, geometry->getVertexAttribArray(i)));
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}
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for(unsigned int i=0; i<geometry->getNumPrimitiveSets(); ++i)
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{
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newGeometry->setPrimitiveSet(i,clonePrimitiveSet(primitiveSetVector, geometry->getPrimitiveSet(i)));
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}
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}
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GeometryVector::iterator geom_itr = newGeometries.begin();
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for(GeometryMap::iterator itr = _geometryMap.begin();
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itr != _geometryMap.end();
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++itr, ++geom_itr)
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{
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osg::Geometry* geometry = itr->first;
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Geodes& geodes = itr->second;
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for(Geodes::iterator gitr = geodes.begin();
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gitr != geodes.end();
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++gitr)
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{
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osg::Geode* geode = const_cast<osg::Geode*>(*gitr);
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geode->replaceDrawable(geometry, geom_itr->get());
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}
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}
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}
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protected:
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typedef std::set<osg::Node*> Nodes;
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typedef std::set<osg::Geode*> Geodes;
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typedef std::set<osg::Geometry*> Geometries;
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typedef std::map<osg::Geometry*, Geodes> GeometryMap;
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typedef std::map<osg::Array*, Geometries> ArrayMap;
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typedef std::map<osg::PrimitiveSet*, Geometries> PrimitiveSetMap;
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Nodes _nodes;
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GeometryMap _geometryMap;
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ArrayMap _arrayMap;
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PrimitiveSetMap _primitiveSetMap;
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};
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class SceneGraphProcessor : public osg::Referenced
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{
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public:
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SceneGraphProcessor()
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{
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_init();
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}
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SceneGraphProcessor(osg::ArgumentParser& arguments)
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{
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_init();
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while (arguments.read("--vbo")) { modifyDrawableSettings = true; useVBO = true; }
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while (arguments.read("--dl")) { modifyDrawableSettings = true; useDisplayLists = true; }
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while (arguments.read("-s", simplificatioRatio)) {}
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while (arguments.read("--tristripper")) { useTriStripVisitor=true; }
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while (arguments.read("--no-tristripper")) { useTriStripVisitor=false; }
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while (arguments.read("--smoother")) { useSmoothingVisitor=true; }
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while (arguments.read("--no-smoother")) { useSmoothingVisitor=false; }
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while (arguments.read("--remove-duplicate-vertices") || arguments.read("--rdv")) removeDuplicateVertices = true;
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while (arguments.read("--optimize-vertex-cache") || arguments.read("--ovc")) optimizeVertexCache = true;
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while (arguments.read("--optimize-vertex-order") || arguments.read("--ovo")) optimizeVertexOrder = true;
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while (arguments.read("--build-mipmaps")) { modifyTextureSettings = true; buildImageMipmaps = true; }
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while (arguments.read("--compress")) { modifyTextureSettings = true; compressImages = true; }
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while (arguments.read("--disable-mipmaps")) { modifyTextureSettings = true; disableMipmaps = true; }
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while (arguments.read("--reallocate") || arguments.read("--ra") ) { reallocateMemory = true; }
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OSG_NOTICE<<"simplificatioRatio="<<simplificatioRatio<<std::endl;
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}
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virtual osg::Node* process(osg::Node* node)
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{
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if (!node)
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{
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OSG_NOTICE<<"SceneGraphProcessor::process(Node*) : error cannot process NULL Node."<<std::endl;
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return 0;
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}
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OSG_NOTICE<<"SceneGraphProcessor::process("<<node<<") : "<<node->getName()<<std::endl;
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if (simplificatioRatio < 1.0)
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{
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OSG_NOTICE<<"Running simplifier with simplification ratio="<<simplificatioRatio<<std::endl;
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float maxError = 4.0f;
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osgUtil::Simplifier simplifier(simplificatioRatio, maxError);
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simplifier.setDoTriStrip(useTriStripVisitor);
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simplifier.setSmoothing(useSmoothingVisitor);
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node->accept(simplifier);
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}
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if (removeDuplicateVertices)
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{
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OSG_NOTICE<<"Running osgUtil::IndexMeshVisitor"<<std::endl;
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osgUtil::IndexMeshVisitor imv;
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node->accept(imv);
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imv.makeMesh();
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}
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if (optimizeVertexCache)
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{
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OSG_NOTICE<<"Running osgUtil::VertexCacheVisitor"<<std::endl;
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osgUtil::VertexCacheVisitor vcv;
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node->accept(vcv);
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vcv.optimizeVertices();
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}
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if (optimizeVertexOrder)
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{
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OSG_NOTICE<<"Running osgUtil::VertexAccessOrderVisitor"<<std::endl;
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osgUtil::VertexAccessOrderVisitor vaov;
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node->accept(vaov);
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vaov.optimizeOrder();
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}
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if (modifyDrawableSettings || modifyTextureSettings)
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{
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OSG_NOTICE<<"Running StripStateVisitor"<<std::endl;
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StripStateVisitor ssv(true, useDisplayLists, useVBO);
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node->accept(ssv);
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}
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MemoryVisitor mv;
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node->accept(mv);
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mv.report(osg::notify(osg::NOTICE));
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if (reallocateMemory)
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{
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OSG_NOTICE<<"Running Reallocation of scene graph memory"<<std::endl;
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mv.reallocate();
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}
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mv.reset();
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node->accept(mv);
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mv.report(osg::notify(osg::NOTICE));
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return node;
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}
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protected:
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void _init()
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{
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modifyDrawableSettings = false;
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useVBO = false;
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useDisplayLists = false;
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simplificatioRatio = 1.0;
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useTriStripVisitor = false;
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useSmoothingVisitor = false;
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removeDuplicateVertices = false;
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optimizeVertexCache = false;
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optimizeVertexOrder = false;
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reallocateMemory = false;
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modifyTextureSettings = false;
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buildImageMipmaps = false;
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compressImages = false;
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disableMipmaps = false;
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}
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bool modifyDrawableSettings;
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bool useVBO;
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bool useDisplayLists;
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float simplificatioRatio;
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bool useTriStripVisitor;
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bool useSmoothingVisitor;
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bool removeDuplicateVertices;
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bool optimizeVertexCache;
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bool optimizeVertexOrder;
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bool reallocateMemory;
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bool modifyTextureSettings;
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bool buildImageMipmaps;
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bool compressImages;
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bool disableMipmaps;
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};
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class DatabasePagingOperation : public osg::Operation, public osgUtil::IncrementalCompileOperation::CompileCompletedCallback
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{
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public:
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DatabasePagingOperation(const std::string& filename,
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const std::string& outputFilename,
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SceneGraphProcessor* sceneGraphProcessor,
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osgUtil::IncrementalCompileOperation* ico):
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Operation("DatabasePaging Operation", false),
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_filename(filename),
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_outputFilename(outputFilename),
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_modelReadyToMerge(false),
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_sceneGraphProcessor(sceneGraphProcessor),
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_incrementalCompileOperation(ico) {}
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virtual void operator () (osg::Object* object)
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{
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osg::notify(osg::NOTICE)<<"LoadAndCompileOperation "<<_filename<<std::endl;
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_modelReadyToMerge = false;
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_loadedModel = osgDB::readNodeFile(_filename);
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if (_loadedModel.valid())
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{
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if (_sceneGraphProcessor.valid())
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{
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_loadedModel = _sceneGraphProcessor->process(_loadedModel.get());
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}
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}
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if (_loadedModel.valid())
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{
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if (!_outputFilename.empty())
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{
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osgDB::writeNodeFile(*_loadedModel, _outputFilename);
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}
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if (_incrementalCompileOperation.valid())
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{
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osg::ref_ptr<osgUtil::IncrementalCompileOperation::CompileSet> compileSet =
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new osgUtil::IncrementalCompileOperation::CompileSet(_loadedModel.get());
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compileSet->_compileCompletedCallback = this;
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_incrementalCompileOperation->add(compileSet.get());
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|
}
|
|
else
|
|
{
|
|
_modelReadyToMerge = true;
|
|
}
|
|
}
|
|
|
|
osg::notify(osg::NOTICE)<<"done LoadAndCompileOperation "<<_filename<<std::endl;
|
|
}
|
|
|
|
virtual bool compileCompleted(osgUtil::IncrementalCompileOperation::CompileSet* compileSet)
|
|
{
|
|
OSG_NOTICE<<"compileCompleted"<<std::endl;
|
|
_modelReadyToMerge = true;
|
|
return true;
|
|
}
|
|
|
|
std::string _filename;
|
|
std::string _outputFilename;
|
|
osg::ref_ptr<osg::Node> _loadedModel;
|
|
bool _modelReadyToMerge;
|
|
osg::ref_ptr<SceneGraphProcessor> _sceneGraphProcessor;
|
|
osg::ref_ptr<osgUtil::IncrementalCompileOperation> _incrementalCompileOperation;
|
|
};
|
|
|
|
class TexturePoolHandler : public osgGA::GUIEventHandler
|
|
{
|
|
public:
|
|
virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa)
|
|
{
|
|
if (ea.getEventType() == osgGA::GUIEventAdapter::KEYUP)
|
|
{
|
|
if (ea.getKey()=='r')
|
|
{
|
|
osg::Texture::getTextureObjectManager(0)->reportStats();
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
osg::ArgumentParser arguments(&argc, argv);
|
|
|
|
// construct the viewer.
|
|
osgViewer::Viewer viewer(arguments);
|
|
|
|
// set up camera manipulators
|
|
{
|
|
osg::ref_ptr<osgGA::KeySwitchMatrixManipulator> keyswitchManipulator = new osgGA::KeySwitchMatrixManipulator;
|
|
|
|
keyswitchManipulator->addMatrixManipulator( '1', "Trackball", new osgGA::TrackballManipulator() );
|
|
keyswitchManipulator->addMatrixManipulator( '2', "Flight", new osgGA::FlightManipulator() );
|
|
keyswitchManipulator->addMatrixManipulator( '3', "Drive", new osgGA::DriveManipulator() );
|
|
keyswitchManipulator->addMatrixManipulator( '4', "Terrain", new osgGA::TerrainManipulator() );
|
|
|
|
std::string pathfile;
|
|
char keyForAnimationPath = '8';
|
|
while (arguments.read("-p",pathfile))
|
|
{
|
|
osgGA::AnimationPathManipulator* apm = new osgGA::AnimationPathManipulator(pathfile);
|
|
if (apm || !apm->valid())
|
|
{
|
|
unsigned int num = keyswitchManipulator->getNumMatrixManipulators();
|
|
keyswitchManipulator->addMatrixManipulator( keyForAnimationPath, "Path", apm );
|
|
keyswitchManipulator->selectMatrixManipulator(num);
|
|
++keyForAnimationPath;
|
|
}
|
|
}
|
|
|
|
viewer.setCameraManipulator( keyswitchManipulator.get() );
|
|
}
|
|
|
|
// set up event handlers
|
|
{
|
|
viewer.addEventHandler( new osgViewer::StatsHandler());
|
|
viewer.addEventHandler( new osgViewer::WindowSizeHandler() );
|
|
viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) );
|
|
viewer.addEventHandler( new TexturePoolHandler() );
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// IncrementalCompileOperation settings
|
|
//
|
|
osg::ref_ptr<osgUtil::IncrementalCompileOperation> incrementalCompile = new osgUtil::IncrementalCompileOperation;
|
|
viewer.setIncrementalCompileOperation(incrementalCompile.get());
|
|
|
|
if (arguments.read("--force") || arguments.read("-f"))
|
|
{
|
|
incrementalCompile->assignForceTextureDownloadGeometry();
|
|
}
|
|
|
|
if (arguments.read("-a"))
|
|
{
|
|
incrementalCompile->setMinimumTimeAvailableForGLCompileAndDeletePerFrame(1);
|
|
incrementalCompile->setConservativeTimeRatio(1);
|
|
incrementalCompile->setMaximumNumOfObjectsToCompilePerFrame(100);
|
|
}
|
|
else if (arguments.read("-c"))
|
|
{
|
|
incrementalCompile->setMinimumTimeAvailableForGLCompileAndDeletePerFrame(0.0001);
|
|
incrementalCompile->setConservativeTimeRatio(0.01);
|
|
incrementalCompile->setMaximumNumOfObjectsToCompilePerFrame(1);
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// SceneGraph processing setup
|
|
//
|
|
osg::ref_ptr<SceneGraphProcessor> sceneGraphProcessor = new SceneGraphProcessor(arguments);
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Database settings
|
|
//
|
|
double timeBetweenMerges = 2.0;
|
|
while(arguments.read("--interval",timeBetweenMerges)) {}
|
|
|
|
std::string outputPostfix;
|
|
while (arguments.read("-o",outputPostfix)) {}
|
|
|
|
|
|
typedef std::vector< std::string > FileNames;
|
|
FileNames fileNames;
|
|
for(int pos=1;pos<arguments.argc();++pos)
|
|
{
|
|
if (!arguments.isOption(pos))
|
|
{
|
|
fileNames.push_back(arguments[pos]);
|
|
}
|
|
}
|
|
|
|
if (fileNames.empty())
|
|
{
|
|
OSG_NOTICE<<"No files loaded, please specifies files on commandline."<<std::endl;
|
|
return 1;
|
|
}
|
|
|
|
// load the models using a paging thread and use the incremental compile operation to
|
|
// manage the compilation of GL objects without breaking frame.
|
|
|
|
unsigned int modelIndex = 0;
|
|
|
|
osg::ref_ptr<osg::OperationThread> databasePagingThread;
|
|
osg::ref_ptr<DatabasePagingOperation> databasePagingOperation;
|
|
|
|
databasePagingThread = new osg::OperationThread;
|
|
databasePagingThread->startThread();
|
|
|
|
std::string filename = fileNames[modelIndex++];
|
|
std::string outputFilename = outputPostfix.empty() ? std::string() : filename+outputPostfix;
|
|
|
|
databasePagingOperation = new DatabasePagingOperation(
|
|
filename,
|
|
outputFilename,
|
|
sceneGraphProcessor.get(),
|
|
incrementalCompile.get());
|
|
|
|
databasePagingThread->add(databasePagingOperation.get());
|
|
|
|
osg::ref_ptr<osg::Group> group = new osg::Group;
|
|
viewer.setSceneData(group);
|
|
|
|
viewer.realize();
|
|
|
|
double timeOfLastMerge = viewer.getFrameStamp()->getReferenceTime();
|
|
|
|
while(!viewer.done())
|
|
{
|
|
viewer.frame();
|
|
|
|
double currentTime = viewer.getFrameStamp()->getReferenceTime();
|
|
|
|
if (!databasePagingOperation &&
|
|
modelIndex<fileNames.size() &&
|
|
(currentTime-timeOfLastMerge)>timeBetweenMerges)
|
|
{
|
|
std::string filename = fileNames[modelIndex++];
|
|
std::string outputFilename = outputPostfix.empty() ? std::string() : filename+outputPostfix;
|
|
|
|
databasePagingOperation = new DatabasePagingOperation(
|
|
filename,
|
|
outputFilename,
|
|
sceneGraphProcessor.get(),
|
|
incrementalCompile.get());
|
|
|
|
databasePagingThread->add(databasePagingOperation.get());
|
|
}
|
|
|
|
if (databasePagingOperation.get() && databasePagingOperation->_modelReadyToMerge)
|
|
{
|
|
timeOfLastMerge = currentTime;
|
|
|
|
group->removeChildren(0,group->getNumChildren());
|
|
|
|
group->addChild(databasePagingOperation->_loadedModel.get());
|
|
|
|
viewer.home();
|
|
|
|
// we no longer need the paging operation as it's done it's job.
|
|
databasePagingOperation = 0;
|
|
|
|
viewer.home();
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|