055abec7a3
up the StateSetManipulator and moved the initialization of locally cached states into the handle method to ensure a representative version of the StateSet is captured
90 lines
2.8 KiB
C++
90 lines
2.8 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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#ifndef OSGGA_STATESTATE_MANIPULATOR
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#define OSGGA_STATESTATE_MANIPULATOR 1
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#include <osgGA/Export>
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#include <osgGA/GUIEventAdapter>
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#include <osgGA/GUIActionAdapter>
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#include <osgGA/GUIEventHandler>
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#include <osg/StateSet>
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#include <osg/PolygonMode>
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namespace osgGA{
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/**
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Experimental class, not been looked at for a while, but which will
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be returned to at some point :-\
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*/
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class OSGGA_EXPORT StateSetManipulator : public GUIEventHandler
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{
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public:
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StateSetManipulator(osg::StateSet* stateset=0);
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virtual const char* className() const { return "StateSetManipulator"; }
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/** attach a STATESTATE to the manipulator to be used for specifying view.*/
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virtual void setStateSet(osg::StateSet*);
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/** get the attached a STATESTATE.*/
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virtual osg::StateSet * getStateSet();
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/** get the attached a STATESTATE.*/
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virtual const osg::StateSet * getStateSet() const;
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/** Handle events, return true if handled, false otherwise.*/
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virtual bool handle(const GUIEventAdapter& ea,GUIActionAdapter& us);
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/** Get the keyboard and mouse usage of this manipulator.*/
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virtual void getUsage(osg::ApplicationUsage& usage) const;
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void setMaximumNumOfTextureUnits(unsigned int i) { _maxNumOfTextureUnits = i; }
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unsigned int getMaximumNumOfTextureUnits() const { return _maxNumOfTextureUnits; }
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void setBackfaceEnabled(bool newbackface);
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bool getBackfaceEnabled() const {return _backface;};
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void setLightingEnabled(bool newlighting);
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bool getLightingEnabled() const {return _lighting;};
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void setTextureEnabled(bool newtexture);
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bool getTextureEnabled() const {return _texture;};
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void setPolygonMode(osg::PolygonMode::Mode newpolygonmode);
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osg::PolygonMode::Mode getPolygonMode() const;
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void cyclePolygonMode();
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protected:
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virtual ~StateSetManipulator();
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osg::ref_ptr<osg::StateSet> _stateset;
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bool _initialized;
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bool _backface;
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bool _lighting;
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bool _texture;
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unsigned int _maxNumOfTextureUnits;
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osg::PolygonMode* getOrCreatePolygonMode();
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};
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}
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#endif
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