09bdb10af5
to better support removal of seperate osg::Geometry instances where they share the same state and bindings.
124 lines
4.1 KiB
Plaintext
124 lines
4.1 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSG_GEODE
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#define OSG_GEODE 1
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#include <osg/Node>
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#include <osg/NodeVisitor>
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#include <osg/Drawable>
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namespace osg {
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/** Leaf Node for grouping Drawables.*/
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class SG_EXPORT Geode : public Node
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{
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public:
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typedef std::vector< ref_ptr<Drawable> > DrawableList;
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Geode();
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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Geode(const Geode&,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
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META_Node(osg, Geode);
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/** Add Drawable to Geode.
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* If gset is not NULL and is not contained in Geode then increment its
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* reference count, add it to the drawables list and dirty the bounding
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* sphere to force it to recompute on next getBound() and return true for success.
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* Otherwise return false.
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*/
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virtual const bool addDrawable( Drawable *drawable );
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/** Remove Drawable from Geode.
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* If gset is contained in Geode then remove it from the geoset
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* list and decrement its reference count, and dirty the
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* bounding sphere to force it to recompute on next getBound() and
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* return true for success. If gset is not found then return false
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* and do not change the reference count of gset.
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*/
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virtual const bool removeDrawable( Drawable *drawable );
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/** Replace specified Drawable with another Drawable.
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* Decrement the reference count origGSet and increments the
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* reference count of newGset, and dirty the bounding sphere
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* to force it to recompute on next getBound() and returns true.
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* If origDrawable is not found then return false and do not
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* add newGset. If newGset is NULL then return false and do
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* not remove origGset.
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*/
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virtual const bool replaceDrawable( Drawable *origDraw, Drawable *newDraw );
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/** return the number of geoset's.*/
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inline const unsigned int getNumDrawables() const { return _drawables.size(); }
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/** return geoset at position i.*/
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inline Drawable* getDrawable( const unsigned int i ) { return _drawables[i].get(); }
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/** return geoset at position i.*/
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inline const Drawable* getDrawable( const unsigned int i ) const { return _drawables[i].get(); }
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/** return true if geoset is contained within Geode.*/
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inline const bool containsDrawable(const Drawable* gset) const
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{
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for (DrawableList::const_iterator itr=_drawables.begin();
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itr!=_drawables.end();
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++itr)
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{
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if (itr->get()==gset) return true;
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}
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return false;
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}
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/** return the iterator position for specified Drawable.
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* return _geoset.end() if gset not is contained in Geode.
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*/
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inline DrawableList::iterator findDrawable(const Drawable* gset)
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{
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for (DrawableList::iterator itr=_drawables.begin();
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itr!=_drawables.end();
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++itr)
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{
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if (itr->get()==gset) return itr;
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}
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return _drawables.end();
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}
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/** return the const_iterator position for specified Drawable.
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* return _geoset.end() if gset not is contained in Geode.
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*/
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inline DrawableList::const_iterator findDrawable(const Drawable* gset) const
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{
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for (DrawableList::const_iterator itr=_drawables.begin();
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itr!=_drawables.end();
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++itr)
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{
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if (itr->get()==gset) return itr;
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}
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return _drawables.end();
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}
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/** compile OpenGL Display List for each geoset.*/
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void compileDrawables(State& state);
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protected:
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virtual ~Geode();
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virtual const bool computeBound() const;
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DrawableList _drawables;
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};
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}
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#endif
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