74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
#include <osgGA/StateSetManipulator>
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using namespace osg;
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using namespace osgGA;
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StateSetManipulator::StateSetManipulator(): _drawState(NULL)
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{
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}
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StateSetManipulator::~StateSetManipulator()
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{
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}
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void StateSetManipulator::setStateSet(StateSet *drawState)
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{
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_drawState=drawState;
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if(!_drawState.valid()) return;
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_backface = (_drawState->getMode(GL_CULL_FACE)==osg::StateAttribute::ON);
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_lighting =(_drawState->getMode(GL_LIGHTING)==osg::StateAttribute::ON);
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_texture =(_drawState->getMode(GL_TEXTURE_2D)==osg::StateAttribute::ON);
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}
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StateSet *StateSetManipulator::getStateSet()
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{
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return _drawState.get();
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}
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const StateSet *StateSetManipulator::getStateSet() const
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{
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return _drawState.get();
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}
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bool StateSetManipulator::handle(const GUIEventAdapter& ea,GUIActionAdapter& aa)
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{
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if(!_drawState.valid()) return false;
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if(ea.getEventType()==GUIEventAdapter::KEYBOARD){
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switch( ea.getKey() ){
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case 'b' :
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_backface = !_backface;
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if( _backface ) _drawState->setMode(GL_CULL_FACE,osg::StateAttribute::ON);
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else _drawState->setMode(GL_CULL_FACE,osg::StateAttribute::OVERRIDE_OFF);
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aa.requestRedraw();
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return true;
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break;
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case 'l' :
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_lighting = !_lighting ;
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if( _lighting ) _drawState->setMode(GL_LIGHTING,osg::StateAttribute::ON);
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else _drawState->setMode(GL_LIGHTING,osg::StateAttribute::OVERRIDE_OFF);
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aa.requestRedraw();
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return true;
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break;
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case 't' :
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_texture = !_texture;
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if (_texture) _drawState->setMode(GL_TEXTURE_2D,osg::StateAttribute::INHERIT);
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else _drawState->setMode(GL_TEXTURE_2D,osg::StateAttribute::OVERRIDE_OFF);
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aa.requestRedraw();
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return true;
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break;
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}
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}
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return false;
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}
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void StateSetManipulator::accept(GUIEventHandlerVisitor& gehv)
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{
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gehv.visit(*this);
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}
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