OpenSceneGraph/include/osgGA/StateSetManipulator

74 lines
2.3 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2005 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGGA_GEOSTATE_MANIPULATOR
#define OSGGA_GEOSTATE_MANIPULATOR 1
#include <osgGA/Export>
#include <osgGA/GUIEventAdapter>
#include <osgGA/GUIActionAdapter>
#include <osgGA/GUIEventHandler>
#include <osg/StateSet>
namespace osgGA{
/**
Experimental class, not been looked at for a while, but which will
be returned to at some point :-\
*/
class OSGGA_EXPORT StateSetManipulator : public GUIEventHandler
{
public:
StateSetManipulator();
virtual ~StateSetManipulator();
virtual const char* className() const { return "StateSetManipulator"; }
/** attach a geostate to the manipulator to be used for specifying view.*/
virtual void setStateSet(osg::StateSet*);
/** get the attached a geostate.*/
virtual osg::StateSet * getStateSet();
/** get the attached a geostate.*/
virtual const osg::StateSet * getStateSet() const;
/** Handle events, return true if handled, false otherwise.*/
virtual bool handle(const GUIEventAdapter& ea,GUIActionAdapter& us);
/** Handle visitations */
virtual void accept(GUIEventHandlerVisitor&);
/** Get the keyboard and mouse usage of this manipulator.*/
virtual void getUsage(osg::ApplicationUsage& usage) const;
void setMaximumNumOfTextureUnits(unsigned int i) { _maxNumOfTextureUnits = i; }
unsigned int getMaximumNumOfTextureUnits() const { return _maxNumOfTextureUnits; }
protected:
// Reference pointer to a geostate
osg::ref_ptr<osg::StateSet> _drawState;
bool _backface;
bool _lighting;
bool _texture;
unsigned int _maxNumOfTextureUnits;
};
}
#endif