Sixth Demo of OGRE---Buffer Input

#include "ExampleApplication.h"class TutorialFrameListener : public ExampleFrameListener, public OIS::MouseListener, public OIS::KeyListener{public:TutorialFrameListener(RenderWindow* win, Camera* cam, SceneManager *sceneMgr): ExampleFrameListener(win, cam, true, true){// Populate the camera and scene manager containersmCamNode = cam->getParentSceneNode();mSceneMgr = sceneMgr;//set speed of rotate and movemRotate = 0.13;mMove = 250;// continue to randermContinue = true;mMouse->setEventCallback(this);mKeyboard->setEventCallback(this);mDirection = Vector3::ZERO;}bool frameStarted(const FrameEvent &evt){ if(mMouse){mMouse->capture();}if(mKeyboard) {mKeyboard->capture();}mCamNode->translate(mDirection * evt.timeSinceLastFrame, Node::TS_LOCAL);return mContinue;}// MouseListenerbool mouseMoved(const OIS::MouseEvent &e) { return true; }bool mousePressed(const OIS::MouseEvent &e, OIS::MouseButtonID id) { Light *light = mSceneMgr->getLight("Light1");switch (id){case OIS::MB_Left:light->setVisible(! light->isVisible());return true;break;}if (e.state.buttonDown(OIS::MB_Right)){ mCamNode->yaw(Degree(-mRotate * e.state.X.rel), Node::TS_WORLD); mCamNode->pitch(Degree(-mRotate * e.state.Y.rel), Node::TS_LOCAL); return true;}return true;}bool mouseReleased(const OIS::MouseEvent &e, OIS::MouseButtonID id) { return true; }// KeyListenerbool keyPressed(const OIS::KeyEvent &e) { switch(e.key){case OIS::KC_ESCAPE:{mContinue = false;}break;case OIS::KC_1:{mCamera->getParentSceneNode()->detachObject(mCamera);mCamNode = mSceneMgr->getSceneNode("CamNode1");mCamNode->attachObject(mCamera);}break;case OIS::KC_2:{mCamera->getParentSceneNode()->detachObject(mCamera);mCamNode = mSceneMgr->getSceneNode("CamNode2");mCamNode->attachObject(mCamera);}break;case OIS::KC_UP:case OIS::KC_W:{mDirection.z -= mMove;}break;case OIS::KC_DOWN:case OIS::KC_S:{mDirection.z += mMove;}break;case OIS::KC_LEFT:case OIS::KC_A:{mDirection.x -= mMove;}break;case OIS::KC_RIGHT:case OIS::KC_D:{mDirection.x += mMove;}break;case OIS::KC_PGDOWN:case OIS::KC_E:{mDirection.y -= mMove;}break;case OIS::KC_PGUP:case OIS::KC_Q:{mDirection.y += mMove;}break;}return true; }bool keyReleased(const OIS::KeyEvent &e) { switch (e.key){case OIS::KC_UP:case OIS::KC_W:mDirection.z += mMove;break;case OIS::KC_DOWN:case OIS::KC_S:mDirection.z -= mMove;break;case OIS::KC_LEFT:case OIS::KC_A:mDirection.x += mMove;break;case OIS::KC_RIGHT:case OIS::KC_D:mDirection.x -= mMove;break;case OIS::KC_PGDOWN:case OIS::KC_E:mDirection.y += mMove;break;case OIS::KC_PGUP:case OIS::KC_Q:mDirection.y -= mMove;break;} // switchreturn true;}protected:Real mRotate; // The rotate constantReal mMove; // The movement constantSceneManager *mSceneMgr; // The current SceneManagerSceneNode *mCamNode; // The SceneNode the camera is currently attached tobool mContinue; // Whether to continue rendering or notVector3 mDirection; // Value to move in the correct direction};class FameApplication : public ExampleApplication{public:FameApplication();~FameApplication();//Just override the mandatory create scene methodvoid createScene(void);void createFrameListener(void);void createCamera(void);void destroyScene(void);};FameApplication::FameApplication(){}FameApplication::~FameApplication(){}void FameApplication::createScene(){//set ambient lightmSceneMgr->setAmbientLight(ColourValue(0.25, 0.25, 0.25));//create a entiryEntity* pEntity = mSceneMgr->createEntity("Ninja", "ninja.mesh");//create a sence nodeSceneNode* pSceneNode = mSceneMgr->getRootSceneNode()->createChildSceneNode("NinjaNode");pSceneNode->attachObject(pEntity);Light *light = mSceneMgr->createLight("Light1");light->setType(Light::LT_POINT);light->setPosition(Vector3(250, 150, 250));light->setDiffuseColour(ColourValue::White);light->setSpecularColour(ColourValue::White);// Create the scene nodepSceneNode = mSceneMgr->getRootSceneNode()->createChildSceneNode("CamNode1", Vector3(-400, 200, 400));// Make it look towards the ninjapSceneNode->yaw(Degree(-45));// Create the pitch nodepSceneNode = pSceneNode->createChildSceneNode("PitchNode1");pSceneNode->attachObject(mCamera); // create the second camera/pitch nodepSceneNode = mSceneMgr->getRootSceneNode()->createChildSceneNode("CamNode2", Vector3(0, 200, 400));pSceneNode = pSceneNode->createChildSceneNode("PitchNode2");}void FameApplication::createFrameListener(void){// Create the FrameListenermFrameListener = new TutorialFrameListener(mWindow, mCamera, mSceneMgr);mRoot->addFrameListener(mFrameListener);// Show the frame stats overlaymFrameListener->showDebugOverlay(true);}void FameApplication::createCamera(void){// create camera, but leave at default positionmCamera = mSceneMgr->createCamera("PlayerCam"); mCamera->setNearClipDistance(5);}void FameApplication::destroyScene(){}INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT ){// Create application objectFameApplication app;try {app.go();} catch( Ogre::Exception& e ){MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL);}return 0;}