#ifdef _DEBUG

#pragma comment(lib,"osgGAd.lib")

#pragma comment(lib,"osgViewerd.lib")

#pragma comment(lib,"osgDBd.lib")

#pragma comment(lib,"OpenThreadsd.lib")

#pragma comment(lib,"osgd.lib")

#pragma comment(lib,"osgWidgetd.lib")

#pragma comment(lib,"osgTextd.lib")

#pragma comment(lib,"osgManipulatord.lib")

#pragma comment(lib,"osgUtild.lib")

#pragma comment(lib,"osgParticled.lib")

#else

#pragma comment(lib,"osgGA.lib")

#pragma comment(lib,"osgViewer.lib")

#pragma comment(lib,"osgDB.lib")

#pragma comment(lib,"OpenThreads.lib")

#pragma comment(lib,"osg.lib")

#pragma comment(lib,"osgWidget.lib")

#pragma comment(lib,"osgText.lib")

#pragma comment(lib,"osgManipulator.lib")

#pragma comment(lib,"osgUtil.lib")

#pragma comment(lib,"osgParticle.lib")

#endif

#include <osgViewer/Viewer>

#include <osgGA/GUIEventHandler>

#include <osg/Group>

#include <osg/MatrixTransform>

#include <osg/Material>

#include <osgDB/ReadFile>

#include <osgUtil/LineSegmentIntersector>

#include <osg/ShapeDrawable>

#include <osgText/Text>

#include <vector>

osg::ref_ptr<osg::Node> cow;

class CPickHandler : public osgGA::GUIEventHandler{

 osgViewer::Viewer * mViewer;

 osg::Group * mGroup;

 osg::Node * lastSelect;

public:

 CPickHandler(osgViewer::Viewer * viewer, osg::Group *group) :mViewer(viewer),mGroup(group),lastSelect(){}

 virtual bool handle(const osgGA::GUIEventAdapter & ea, osgGA::GUIActionAdapter & aa){

  switch(ea.getEventType()){

  case(osgGA::GUIEventAdapter::PUSH):{

   if(lastSelect){

    //osg::StateSet * state = lastSelect->getOrCreateStateSet();

    //state->setMode(GL_BLEND, osg::StateAttribute::ON);

    /*osg::ref_ptr<osg::Material> material = new osg::Material();

    material->setTransparency(osg::Material::FRONT_AND_BACK, 1.0);

    material->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4(1.0,0.0,0.0,1.0));

    alarmSphere->getOrCreateStateSet()->setAttributeAndModes(material,osg::StateAttribute::ON);*/

    //osg::Material * mtrl = dynamic_cast<osg::Material *>(state->getAttribute(osg::StateAttribute::MATERIAL));

    //mtrl->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4(1.0, 1.0, 1.0, 1.0));

    //state->setAttributeAndModes(mtrl, osg::StateAttribute::OVERRIDE|osg::StateAttribute::ON);

    //state->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);

    lastSelect = ;

   }

   Pick(ea.getX(),ea.getY());      //获得单击的鼠标坐标

             }

             return true;

  }

  return false;

 }

protected:

 void Pick(float x, float y){      在pick函数中写触发函数

  osgUtil::LineSegmentIntersector::Intersections intersections;

  if(mViewer->computeIntersections(x, y, intersections)){

   for(osgUtil::LineSegmentIntersector::Intersections::iterator hitr = intersections.begin(); hitr!= intersections.end(); ++hitr){

    if(!hitr->nodePath.empty() && !(hitr->nodePath.back()->getName().empty())){

     const osg::NodePath& np = hitr->nodePath;

     for(int i = np.size() - ; i >= ; --i){

      osg::Node* nd = dynamic_cast<osg::Node *> (np[i]);

      if(nd){

       //std::cout<< "************"<<std::endl;

       std::cout << nd->getName() <<std::endl;

       std::cout << np.size() <<std::endl;

       if(nd->getName()=="Mesh12 Group4 Group1 Model"||nd->getName() == "Mesh18 Group6 Group1 Model"||nd->getName() == "Mesh6 Group2 Group1 Model"||nd->getName() == "Mesh16 Group6 Group1 Model"||nd->getName() == "Mesh10 Group4 Group1 Model"||nd->getName() == "Mesh4 Group2 Group1 Model"){

        //osg::StateSet * state = nd->getOrCreateStateSet();

        //state->setMode(GL_BLEND, osg::StateAttribute::ON);

        //osg::Material *mtrl = dynamic_cast<osg::Material *>(state->getAttribute(osg::StateAttribute::MATERIAL));

        //if(!mtrl){

         //mtrl = new osg::Material;

        //}

        //osg::ref_ptr<osg::Material> material = new osg::Material();

        //material->setTransparency(osg::Material::FRONT_AND_BACK, 0.5);

        //material->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4(1.0,0.0,0.0,1.0));

        //alarmSphere->getOrCreateStateSet()->setAttributeAndModes(material,osg::StateAttribute::ON);

        ////nd->setNodeMask(false);

        //mtrl->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4(1.0, 0.0, 0.0, 1.0));

        //state->setAttributeAndModes(mtrl, osg::StateAttribute::OVERRIDE|osg::StateAttribute::ON);

        //state->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);

        osg::Vec3 eye, center, up;                                                   //改变视角代码段

        center = cow->computeBound()._center;

        eye = center;

        eye[] += cow->computeBound()._radius * ;

        up.set( .f, .f, .f );

        osg::Matrix mt;

        mt.makeLookAt( eye, center, up );

        mViewer->getCameraManipulator()->setByInverseMatrix( mt );

        lastSelect = nd;

       }

       return ;

      }

     }

    }

   }

  }

  return ;

 }

};

void main(){

 osgViewer::Viewer viewer;

 osg::ref_ptr<osg::Group> root = new osg::Group();

 osg::ref_ptr<osg::MatrixTransform> mt = new osg::MatrixTransform;

 cow = osgDB::readNodeFile("D:\\information of buaa\\LAST CHANCE\\lab\\NewModels\\toUse\\pipelineTeam_3_boiler2\\pipelineTeam1.ive");

 //osg::ref_ptr<osg::Node> cow = osgDB::readNodeFile("cow.osg");

 cow->setName("officeBuilding");

 mt->addChild(cow);

 mt->setName("officeBuilding");

 root->addChild(mt);

 //root->getChild(0);

 //std::cout<< root->getChild(2)->getName() << std::endl;

 /*osg::ref_ptr<osg::MatrixTransform> mtRobot = new osg::MatrixTransform;

 osg::ref_ptr<osg::Node> robot = osgDB::readNodeFile("robot.osg");

 mtRobot->setMatrix(osg::Matrix::translate(20,0,0));

 robot->setName("robot");

 mtRobot->addChild(robot);

 root->addChild(mtRobot);*/

 //std::cout << root->getChild(0)->getName() << std::endl;

 //osg::ref_ptr<osg::Plane> Plane (new osg::Plane());

 /*osg::ShapeDrawable *shapeBall=new osg::ShapeDrawable(new osg::Box(mt->computeBound()._center, mt->computeBound()._radius/3, mt->computeBound()._radius/10, mt->computeBound()._radius/3));

 osg::ref_ptr<osg::Material> material = new osg::Material();

 material->setTransparency(osg::Material::FRONT_AND_BACK, 1.0);

 material->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4(1.0,0.0,0.0,1.0));

 alarmSphere->getOrCreateStateSet()->setAttributeAndModes(material,osg::StateAttribute::ON);

 alarmSphere->getOrCreateStateSet()->setMode(GL_BLEND,osg::StateAttribute::ON);

 alarmSphere->getOrCreateStateSet()->setMode(GL_DEPTH_TEST,osg::StateAttribute::OFF);

 alarmSphere->addDrawable(shapeBall);

 root->addChild(alarmSphere);

 */

 viewer.setSceneData(root.get());

 viewer.addEventHandler(new CPickHandler(&viewer, root));

 viewer.realize();

 viewer.run();

 return ;

}