C++ ogre::Timer类代码示例

void Application::go()
{
	Ogre::Timer loopTimer;

	bool continueRunning = true;
	while ( continueRunning )
	{
		Ogre::WindowEventUtilities::messagePump();
		
		SimpleInputManager::capture();

		// Update logic stuff

		// Update graphics stuff
		
		bool windowClosed = m_window->isClosed();
		continueRunning &= ! windowClosed;

		loopTimer.reset();
		bool renderFrameSuccess = m_root->renderOneFrame();
		continueRunning &= renderFrameSuccess;

		continueRunning &= ! m_exitRequested;		
	}
}

void Application::update()
{
	Ogre::Timer loopTimer;

	bool continueRunning = true;
	
	while (continueRunning)
	{
		Ogre::WindowEventUtilities::messagePump();

		SimpleInputManager::capture();
		
		float elapsedSeconds = loopTimer.getMicroseconds() * 1.0 / 1000000;

		m_NXOgreTimeController->advance(elapsedSeconds);
	
		loopTimer.reset();

		updateOverlayInfo();

		bool renderFrameSuccess = m_root->renderOneFrame();
		
		if (!renderFrameSuccess || m_exitRequested)
		{
			continueRunning = false;
		}
	}
}

void App::UpdThr()
{
	Ogre::Timer gtim;
	//#ifdef _WIN32
	//DWORD af = 2;
	//gtim.setOption("QueryAffinityMask", &af);
	//#endif
	gtim.reset();

	while (!mShutDown)
	{
		///  step Game  **

		double dt = double(gtim.getMicroseconds()) * 0.000001;
		gtim.reset();
		
		if (pSet->multi_thr == 1 && !bLoading)
		{
			bSimulating = true;
			bool ret = pGame->OneLoop(dt);
			if (!ret)
				mShutDown = true;

			DoNetworking();
			bSimulating = false;
		}
		boost::this_thread::sleep(boost::posix_time::milliseconds(pSet->thread_sleep));
	}
}

//  Run
//-------------------------------------------------------------------------------------
void BaseApp::Run( bool showDialog )
{
	mShowDialog = showDialog;
	if (!setup())
		return;

	if (!pSet->limit_fps)
		mRoot->startRendering();  // default
	else
	{	Ogre::Timer tim;
		while (1)
		{
			Ogre::WindowEventUtilities::messagePump();
			if (tim.getMicroseconds() > 1000000.0 / pSet->limit_fps_val)
			{
				tim.reset();
				if (!mRoot->renderOneFrame())
					break;
			}else
			if (pSet->limit_sleep >= 0)
				boost::this_thread::sleep(boost::posix_time::milliseconds(pSet->limit_sleep));
	}	}

	destroyScene();
}

void Application::initializeCEGUI()
{
    Ogre::Timer timer;
    timer.reset();

    CEGUI::OgreRenderer::bootstrapSystem(*mOgreWindow);

    mUIRoot = static_cast<CEGUI::GUISheet*>(CEGUI::WindowManager::getSingleton().createWindow("DefaultWindow", "Root"));
    mUIRoot->setPosition(CEGUI::UVector2(CEGUI::UDim(0, 0), CEGUI::UDim(0, 0)));
    mUIRoot->setSize(CEGUI::UVector2(CEGUI::UDim(1, 0), CEGUI::UDim(1, 0)));
    mUIRoot->setVisible(true);

    CEGUI::System::getSingleton().setGUISheet(mUIRoot);

    CEGUI::SchemeManager::getSingleton().create("OISBDemo.scheme");
	CEGUI::System::getSingleton().setDefaultMouseCursor("OgreTrayImages", "MouseArrow");
    CEGUI::MouseCursor::getSingleton().hide();

    //mUIRoot->addChildWindow(CEGUI::WindowManager::getSingleton().loadWindowLayout("Introduction.layout"));
    mUIRoot->addChildWindow(CEGUI::WindowManager::getSingleton().loadWindowLayout("HUD.layout"));
    mUIHUDThrottle = static_cast<CEGUI::ProgressBar*>(CEGUI::WindowManager::getSingleton().getWindow("HUD/Throttle"));
    mUIHUDVelocity = CEGUI::WindowManager::getSingleton().getWindow("HUD/Velocity");
    mUIHUDAltitude = CEGUI::WindowManager::getSingleton().getWindow("HUD/Altitude");

    std::stringstream sstr;
    sstr << timer.getMicroseconds();

    CEGUI::Logger::getSingleton().logEvent("Time to start CEGUI: " + sstr.str());
}

//-------------------------------------------------------------------------------------
void App::go(void)
{
#ifdef _DEBUG
    mResourcesCfg = "resources_d.cfg";
    mPluginsCfg = "plugins_d.cfg";
#else
    mResourcesCfg = "resources.cfg";
    mPluginsCfg = "plugins.cfg";
#endif

    if (!setup())
        return;
	
	Ogre::Timer timer;
	//mRoot->startRendering();
	float lastTime = timer.getMicroseconds()/1000000.0f;
	float curTime = timer.getMicroseconds()/1000000.0f;
	while(update(curTime - lastTime))
	{
		lastTime = curTime;
		curTime = timer.getMicroseconds()/1000000.0f;
		//timer.reset();
	}

    // clean up
    destroyScene();
}

void OMW::Engine::go()
{
    assert (!mContentFiles.empty());
    assert (!mOgre);

    Settings::Manager settings;
    std::string settingspath;

    settingspath = loadSettings (settings);

    // Create encoder
    ToUTF8::Utf8Encoder encoder (mEncoding);
    mEncoder = &encoder;

    prepareEngine (settings);

    // Play some good 'ol tunes
    MWBase::Environment::get().getSoundManager()->playPlaylist(std::string("Explore"));

    if (!mSaveGameFile.empty())
    {
        MWBase::Environment::get().getStateManager()->loadGame(mSaveGameFile);
    }
    else if (!mSkipMenu)
    {
        // start in main menu
        MWBase::Environment::get().getWindowManager()->pushGuiMode (MWGui::GM_MainMenu);
        try
        {
            // Is there an ini setting for this filename or something?
            MWBase::Environment::get().getSoundManager()->streamMusic("Special/morrowind title.mp3");

            std::string logo = mFallbackMap["Movies_Morrowind_Logo"];
            if (!logo.empty())
                MWBase::Environment::get().getWindowManager()->playVideo(logo, true);
        }
        catch (...) {}
    }
    else
    {
        MWBase::Environment::get().getStateManager()->newGame (!mNewGame);
    }

    // Start the main rendering loop
    Ogre::Timer timer;
    while (!MWBase::Environment::get().getStateManager()->hasQuitRequest())
    {
        float dt = timer.getMilliseconds()/1000.f;
        dt = std::min(dt, 0.2f);

        timer.reset();
        Ogre::Root::getSingleton().renderOneFrame(dt);
    }
    // Save user settings
    settings.saveUser(settingspath);

    std::cout << "Quitting peacefully." << std::endl;
}

	::FreeConsole();
}

void Game::Run()
{
	InitializeGame();
	ConnectToPVD();
	InitializeKinect();

	kinectController = BodyController();

	InputManager* inputManager = InputManager::GetInstance();

	inputManager->RegisterSensorListener(&kinectController);

	inputManager->BeginAllCapture();

	sceneManager = new SceneManager();
	sceneManager->Initialize(mWindow, mRoot);

	AllocConsole();
	freopen("conin$","r",stdin);
	freopen("conout$","w",stdout);
	freopen("conout$","w",stderr);
	printf("Debugging Window:\n");

	/*std::shared_ptr<GameScene> gameScene(new GameScene(sceneManager, mRoot, "Probending Arena", contestantData));
	sceneManager->FlagSceneSwitch(gameScene, true);
	gameScene.reset();*/

	std::shared_ptr<MenusScene> menuScene = std::make_shared<MenusScene>(sceneManager, mRoot, MenusScene::Screens::MainMenu);
	sceneManager->FlagSceneSwitch(menuScene, true);
	menuScene.reset();

	bool rendering = true;

	Ogre::Timer gameTimer = Ogre::Timer();
	float currentTime = 0;
	float previousTime = 0;

	while (rendering)
	{
		gameTimer.reset();
		
		if(!Update(currentTime / 1000.0f))
			rendering = false;

		//Ogre::WindowEventUtilities::messagePump();
#if(!MEMORY_LEAK_DETECT)
		mRoot->renderOneFrame();
#endif
		currentTime = (float)gameTimer.getMilliseconds();
		

//---------------------------------------------------------------------
unsigned long renderThreadApp(Ogre::ThreadHandle* threadHandle) {
	LeDernierMorkid::LeDernierMorkidThreadData* threadData     = reinterpret_cast<LeDernierMorkid::LeDernierMorkidThreadData*>(threadHandle->getUserParam());
	GraphicsSystem*                             graphicsSystem = threadData->graphicsSystem;
	Ogre::Barrier*                              barrier        = threadData->barrier;

	graphicsSystem->initialize("Le Dernier Morkid");
	graphicsSystem->getInputHandler()->setGrabMousePointer(true);
	graphicsSystem->getInputHandler()->setMouseVisible(false);
	barrier->sync();

	if (graphicsSystem->getQuit()) {
		graphicsSystem->deinitialize();
		return 0; // User cancelled config
	}

	graphicsSystem->createScene();
	barrier->sync();

	Ogre::RenderWindow* renderWindow = graphicsSystem->getRenderWindow();

	Ogre::Timer   timer;
	unsigned long startTime     = timer.getMicroseconds();
	double        timeSinceLast = 1.0 / 60.0;

	while (!graphicsSystem->getQuit()) {
		graphicsSystem->beginFrameParallel();
		graphicsSystem->update(timeSinceLast);
		graphicsSystem->finishFrameParallel();

		if (!renderWindow->isVisible()) {
			// Don't burn CPU cycles unnecessary when we're minimized.
			Ogre::Threads::Sleep(500);
		}

		unsigned long endTime = timer.getMicroseconds();
		timeSinceLast         = (endTime - startTime) / 1000000.0;
		timeSinceLast         = std::min(1.0, timeSinceLast); // Prevent from going haywire.
		startTime             = endTime;
	}

	barrier->sync();

	graphicsSystem->destroyScene();
	barrier->sync();

	graphicsSystem->deinitialize();
	barrier->sync();

	return 0;
}

        unsigned long yield( double frameTime, unsigned long startTime )
        {
            unsigned long endTime = mExternalTimer->getMicroseconds();

            while( frameTime * 1000000.0 > (endTime - startTime) )
            {
                endTime = mExternalTimer->getMicroseconds();

#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
                SwitchToThread();
#elif OGRE_PLATFORM == OGRE_PLATFORM_LINUX || OGRE_PLATFORM == OGRE_PLATFORM_ANDROID
                sched_yield();
#endif
            }

            return endTime;
        }

void Application::run()
{
    initialize();
    setupScene();

    Ogre::Timer timer;
    timer.reset();

    mRunning = true;
    while (mRunning)
    {
        const Ogre::Real delta=
            timer.getMicroseconds() * static_cast<Ogre::Real>(0.000001f);
        timer.reset();

        runOneFrame(delta);
    }

    finalize();
}

    // FrameListener callback (~ idleFunc). Perform animation here
    bool frameRenderingQueued(const Ogre::FrameEvent& evt) {
        float t = mTimer.getMilliseconds()*0.001;

        // Do some simple animations by changing scene node transform parameters
        Ogre::SceneNode* triangle = mScene->getSceneNode("Triangle");
        triangle->resetToInitialState();
        triangle->rotate(Ogre::Vector3(0, 0, 1), Ogre::Radian(t));

        // Exercise 1: Use SceneNode to manipulate the object and create animation
        // ...

        return true; // Return false to quit
    }

///--------------------------------------------------------------------------------------------------------------
//  Create Terrain
///--------------------------------------------------------------------------------------------------------------
void CScene::CreateTerrain(bool bNewHmap, bool bTer, bool terLoad)
{
	Ogre::Timer tm;
	terrain = 0;

	
	///  sky
	Vector3 scl = app->pSet->view_distance*Vector3::UNIT_SCALE;
	CreateSkyDome(sc->skyMtr, scl, sc->skyYaw);
	UpdFog();

	//  light
	app->mSceneMgr->destroyAllLights();
	sun = app->mSceneMgr->createLight("Sun");
	sun->setType(Light::LT_DIRECTIONAL);  UpdSun();


if (bTer)
{
	///.
	UpdShaderParams();
	UpdLayerPars();
	

	///  --------  fill HeightField data --------
	//Ogre::Timer ti;
	if (terLoad || bNewHmap)
	{
		int wx = sc->td.iVertsX, wy = sc->td.iVertsY, wxy = wx * wy;  //wy=wx
		delete[] sc->td.hfHeight;  sc->td.hfHeight = new float[wxy];
		const int size = wxy * sizeof(float);

		String name = app->gcom->TrkDir() + (bNewHmap ? "heightmap-new.f32" : "heightmap.f32");

		//  load from f32 HMap +
		{
			std::ifstream fi;
			fi.open(name.c_str(), std::ios_base::binary);
			fi.read((char*)&sc->td.hfHeight[0], size);
			fi.close();
		}
	}

	CreateBlendTex();  //+

	//LogO(String("::: Time Hmap: ") + fToStr(ti.getMilliseconds(),0,3) + " ms");  ti.reset();  // 4MB ~13ms


	///.
	UpdBlendmap();
	

	//  Terrain
	{
		if (!mTerrainGlobals)
			mTerrainGlobals = OGRE_NEW TerrainGlobalOptions();
		OGRE_DELETE mTerrainGroup;

		mTerrainGroup = OGRE_NEW TerrainGroup(app->mSceneMgr, Terrain::ALIGN_X_Z,
			sc->td.iTerSize, sc->td.fTerWorldSize);
		mTerrainGroup->setOrigin(Vector3::ZERO);

		SetupTerrain();

		if (sc->td.hfHeight)
			mTerrainGroup->defineTerrain(0,0, sc->td.hfHeight);
		else
			mTerrainGroup->defineTerrain(0,0, 0.f);

		//  sync load since we want everything in place when we start
		mTerrainGroup->loadAllTerrains(true);

		TerrainGroup::TerrainIterator ti = mTerrainGroup->getTerrainIterator();
		while (ti.hasMoreElements())
		{
			Terrain* t = ti.getNext()->instance;
			terrain = t;  //<set
			terrain->setVisibilityFlags(RV_Terrain);
		}
		mTerrainGroup->freeTemporaryResources();
	}

	//  Horizon  ----------
	if (app->pSet->horizon)
	{
		if (!mHorizonGlobals)
			mHorizonGlobals = OGRE_NEW TerrainGlobalOptions();
		OGRE_DELETE mHorizonGroup;

		mHorizonGroup = OGRE_NEW TerrainGroup(app->mSceneMgr, Terrain::ALIGN_X_Z,
			sc->td.iTerSize, sc->td.fTerWorldSize * 16.f);
		mHorizonGroup->setOrigin(Vector3::ZERO);

		SetupHorizon();

		//if (sc->td.hfHeight)
		//	mHorizonGroup->defineTerrain(0,0, sc->td.hfHeight);
//.........这里部分代码省略.........

void Client::Play() {
    OgreEasy::SimpleOgreInit lOgreInit;
    if(!lOgreInit.initOgre()) {
        std::cout<<"Could not init ogre"<<std::endl;
        return;
    }
    Ogre::Root* lRoot = lOgreInit.mRoot.get();
    Ogre::RenderWindow* lWindow = lOgreInit.mWindow;
    World* w = new World();
    w->SetDebugMode(false);
    GameObject camObject = w->AddObject("camera");
    camObject.AddCameraComponent("camera");
    camObject.SetPosition(Ogre::Vector3(0,0,0));
    camObject.LookAt(Ogre::Vector3(0,0,0));

    GameObject& light2 = w->AddObject("point_light");
    light2.AddLightComponent(Ogre::Light::LT_DIRECTIONAL);
    light2.SetPosition(Ogre::Vector3(0,0,40));
    light2.LookAt(Ogre::Vector3(0,100,0));

    GameObject& c = w->AddPhysicsObject("esine", "cube/Cube.mesh");
    c.SetPosition(Ogre::Vector3(0,0,0));
    c.AddBoxCollider(1,1,1);
    PhysicsComponent phys = c.GetPhysicsComponent();
    phys.SetMass(1.0);
    c.SetMaterial("tex");

    GameObject& c2 = w->AddPhysicsObject("esine2", "cube/Cube.mesh");
    c2.SetPosition(Ogre::Vector3(1,2,1));
    c2.AddBoxCollider(1,1,1);
    PhysicsComponent phys2 = c2.GetPhysicsComponent();
    phys2.SetMass(1.0);
    c2.SetMaterial("tex");

    GameObject& taso = w->AddPhysicsObject("taso", "cube/other/Cube.mesh");
    taso.SetPosition(Ogre::Vector3(0, -10, 0));
    taso.AddBoxCollider(10,0.1,10);
    taso.SetMaterial("plane");
    PhysicsComponent phys3 = taso.GetPhysicsComponent();
    phys3.SetMass(0.0);

    GameObject& anim = w->AddObject("anim"  , "second_anim/Cube.mesh");
    anim.SetPosition(Ogre::Vector3(0, -5, 0));
    anim.SetMaterial("tex");

    lRoot->clearEventTimes();
    float f=0.0;
    unsigned long t=0;
    double d;
    Ogre::Timer* a = new Ogre::Timer();
    while(!lWindow->isClosed()) {
        t=a->getMicroseconds();

        camObject.SetPosition(Ogre::Vector3(cos(f)*15.0, -5, sin(f)*15.0));
        camObject.LookAt(Ogre::Vector3(-0,-10,-0), Ogre::Vector3::UNIT_Y);
        w->Update(d);

        f+=d*.5;
        d = (double)(a->getMicroseconds()-t)/1000000;
    }
    delete w;
}

void App::LoadTrackEv()
{
	Ogre::Timer ti;
	NewCommon(false);  // full destroy
	iObjCur = -1;

	scn->DestroyRoad();
	scn->DestroyPace();
	

	// load scene
	scn->sc->LoadXml(gcom->TrkDir()+"scene.xml");
	scn->sc->vdr = IsVdrTrack();
	if (scn->sc->vdr)  scn->sc->ter = false;
	
	//  water RTT recreate
	scn->UpdateWaterRTT(mCamera);
	
	BltWorldInit();

	UpdWndTitle();

	scn->CreateFluids();

	scn->CreateWeather();


	//  set sky tex name for water
	sh::MaterialInstance* m = mFactory->getMaterialInstance(scn->sc->skyMtr);
	std::string skyTex = sh::retrieveValue<sh::StringValue>(m->getProperty("texture"), 0).get();
	sh::Factory::getInstance().setTextureAlias("SkyReflection", skyTex);
	sh::Factory::getInstance().setTextureAlias("CubeReflection", "ReflectionCube");


	bNewHmap = false;/**/
	scn->CreateTerrain(bNewHmap, scn->sc->ter);

	if (track)
	if (scn->sc->vdr)  // vdrift track
	{
		if (!LoadTrackVdr(pSet->gui.track))
			LogO("Error during track loading: " + pSet->gui.track);
		
		CreateVdrTrack(pSet->gui.track, track);
		CreateVdrTrackBlt();
	}


	//  road ~
	scn->road = new SplineRoad(this);
	scn->road->Setup("sphere.mesh", pSet->road_sphr, scn->terrain, mSceneMgr, mCamera);
	scn->road->LoadFile(gcom->TrkDir()+"road.xml");
	scn->UpdPSSMMaterials();
	
	//  pace ~ ~
	scn->pace = new PaceNotes(pSet);
	scn->pace->Setup(mSceneMgr, mCamera, scn->terrain, gui->mGui, mWindow);
	
	
	/// HW_Inst Test  * * *
	//inst = new Instanced();
	//inst->Create(mSceneMgr,"sphere_inst.mesh");
	
	
	CreateObjects();

	if (pSet->bTrees && scn->sc->ter)
		scn->CreateTrees();  // trees after objects so they aren't inside them


	//  updates after load
	//--------------------------
	gcom->ReadTrkStats();
	gui->SetGuiFromXmls();  ///
	
	Rnd2TexSetup();
	//UpdVisGui();
	//UpdStartPos();
	UpdEditWnds();  //

	try {
	TexturePtr tex = TextureManager::getSingleton().getByName("waterDepth.png");
	if (!tex.isNull())
		tex->reload();
	} catch(...) {  }

	gui->Status("#{Loaded}", 0.5,0.7,1.0);
	
	if (pSet->check_load)
		gui->WarningsCheck(scn->sc, scn->road);

	LogO(String("::: Time Load Track: ") + fToStr(ti.getMilliseconds(),0,3) + " ms");
}