C++ Overlay::add2D方法代码示例

void cStateEndRun::Init(){
	printf("cStateMenu: Init\n");
	MenuSet[0] = "MenuOpt1";
	MenuSet[1] = "MenuOpt2";
	MenuSet[2] = "MenuOpt3";
	MenuSet[3] = "MenuOpt4";
	MenuSet[4] = "MenuOpt5";

	m_pOverlayMgr = Ogre::OverlayManager::getSingletonPtr();

	//m_pProgLPanel = static_cast<Ogre::OverlayContainer*>(m_pOverlayMgr->createOverlayElement("Panel","ProgLPanel"));
	//m_pProgLPanel->setMetricsMode(Ogre::GMM_PIXELS);
	//m_pProgLPanel->setPosition(10, 10);
	//m_pProgLPanel->setDimensions(32, 32);
	//m_pProgLPanel->setMaterialName( "Programs/Crash" );
	//m_pProgRPanel = static_cast<Ogre::OverlayContainer*>(m_pOverlayMgr->createOverlayElement("Panel","ProgRPanel"));
	//m_pProgRPanel->setMetricsMode(Ogre::GMM_PIXELS);
	//m_pProgRPanel->setPosition(900, 10);
	//m_pProgRPanel->setDimensions(32, 32);
	//m_pProgRPanel->setMaterialName( "Programs/Validate" );

	m_pMenuPanel = static_cast<Ogre::OverlayContainer*>(m_pOverlayMgr->createOverlayElement("Panel","MenuP"));
	m_pMenuPanel->setMetricsMode(Ogre::GMM_PIXELS);
	m_pMenuPanel->setPosition(400, 200);
	m_pMenuPanel->setDimensions(200, 200);
	m_pMenuPanel->setMaterialName( "BaseWhite" );
	TextRenderer::getSingleton().addLTextBox( MenuSet[0], "MenuP", "Controls", 10, 10, 100, 40, Ogre::ColourValue::Red);
	TextRenderer::getSingleton().addLTextBox( MenuSet[1], "MenuP", "Video", 10, 50, 100, 40, Ogre::ColourValue::Black);
	TextRenderer::getSingleton().addLTextBox( MenuSet[2], "MenuP", "Audio", 10, 90, 100, 40, Ogre::ColourValue::Black);
	TextRenderer::getSingleton().addLTextBox( MenuSet[3], "MenuP", "OPP", 10, 130, 100, 40, Ogre::ColourValue::Black);
	TextRenderer::getSingleton().addLTextBox( MenuSet[4], "MenuP", "About", 10, 170, 100, 40, Ogre::ColourValue::Black);

	m_pDeckPanel = static_cast<Ogre::OverlayContainer*>(m_pOverlayMgr->createOverlayElement("Panel","DeckP"));
	m_pDeckPanel->setMetricsMode(Ogre::GMM_PIXELS);
	m_pDeckPanel->setPosition(500, 300);
	m_pDeckPanel->setDimensions(400, 400);
	m_pDeckPanel->setMaterialName( "BaseWhite" );

	m_pActionPanel = static_cast<Ogre::OverlayContainer*>(m_pOverlayMgr->createOverlayElement("Panel","ActionP"));
	m_pActionPanel->setMetricsMode(Ogre::GMM_PIXELS);
	m_pActionPanel->setPosition(300, 200);
	m_pActionPanel->setDimensions(200, 400);
	m_pActionPanel->setMaterialName( "BaseWhite" );

	Ogre::Overlay* overlay = m_pOverlayMgr->getByName("overlay1");
	overlay->add2D(m_pMenuPanel);
	overlay->add2D(m_pDeckPanel);
	overlay->add2D(m_pActionPanel);

	if(m_pMenuPanel->isVisible() == true) m_pMenuPanel->hide();
	if(m_pDeckPanel->isVisible() == true) m_pDeckPanel->hide();
	if(m_pActionPanel->isVisible() == true) m_pActionPanel->hide();

	//m_pMainPanel->addChild(m_pProgLPanel);
	//m_pMainPanel->addChild(m_pProgRPanel);
	//TextRenderer::getSingleton().addTextBox("txtGreeting", "container1", "Hello", 10, 10, 100, 20, Ogre::ColourValue::Green);
}

	// Create text area for SkyX parameters
	void createTextArea()
	{
		// Create a panel
		Ogre::OverlayContainer* panel = static_cast<Ogre::OverlayContainer*>(
			OverlayManager::getSingleton().createOverlayElement("Panel", "SkyXParametersPanel"));
		panel->setMetricsMode(Ogre::GMM_PIXELS);
		panel->setPosition(10, 10);
		panel->setDimensions(400, 400);

		// Create a text area
		mTextArea = static_cast<Ogre::TextAreaOverlayElement*>(
			OverlayManager::getSingleton().createOverlayElement("TextArea", "SkyXParametersTextArea"));
		mTextArea->setMetricsMode(Ogre::GMM_PIXELS);
		mTextArea->setPosition(0, 0);
		mTextArea->setDimensions(100, 100);
		mTextArea->setCaption("SkyX plugin demo");
		mTextArea->setCharHeight(16);
		mTextArea->setFontName("BlueHighway");
		mTextArea->setColourBottom(ColourValue(0.3, 0.5, 0.3));
		mTextArea->setColourTop(ColourValue(0.5, 0.7, 0.5));

		// Create an overlay, and add the panel
		Ogre::Overlay* overlay = OverlayManager::getSingleton().create("OverlayName");
		overlay->add2D(panel);

		// Add the text area to the panel
		panel->addChild(mTextArea);

		// Show the overlay
		overlay->show();
	}

// create overlay uv test
void Test::createOverlay(void)
{
	// load the fade
	mFader = 0;
	Ogre::MaterialPtr		mFaderMaterial;
	Ogre::TextureUnitState 	*mTexture = 0;

	Ogre::OverlayManager& overlayManager = Ogre::OverlayManager::getSingleton();

	mFader = static_cast<Ogre::PanelOverlayElement*>(
		overlayManager.createOverlayElement("Panel", "Fader"));
	mFader->setMetricsMode(Ogre::GMM_RELATIVE);
	mFader->setPosition(0, 0);
	mFader->setDimensions(0.25f, 0.25f);
	mFader->setMaterialName("BotonTest"); // Optional background material

	// Ensures that the material exists
	mFader->setUV(0,0,0.5,1);

	// show the fade
	mFader->show();

	// Create an overlay, and add the panel
	Ogre::Overlay			*mOverlay = 0;
	mOverlay = overlayManager.create("FaderOverlay");
	mOverlay->add2D(mFader);
	mOverlay->show();
}

void OgreApp::createScene()
{
	sceneMgr->setSkyBox(true, "Sky", 5, 8, 4000);
    sceneMgr->setAmbientLight(ColourValue(0.5f, 0.5f, 0.5f));
    sceneMgr->setShadowTechnique(SHADOWTYPE_STENCIL_ADDITIVE);

	node = sceneMgr->getRootSceneNode()->createChildSceneNode("OgreHead");
	ent = sceneMgr->createEntity("Ogre", "ogrehead.mesh");
	node->attachObject(ent);
	node->setPosition(0, 50, 0);

	OgreAL::Sound *bgSound = soundManager->createSound("5.1 Test", "6chan.ogg", true);
	bgSound->setGain(2);
	bgSound->setRelativeToListener(true);
	bgSound->play();

	node = sceneMgr->getRootSceneNode()->createChildSceneNode("CameraNode");
	node->setPosition(0, 100, 100);
	node = node->createChildSceneNode("PitchNode");
	node->attachObject(camera);
	node->attachObject(soundManager->getListener());
	node->pitch(Ogre::Degree(-30));

	// Create a ground plane
    Plane plane(Vector3::UNIT_Y, 0);
    MeshManager::getSingleton().createPlane("ground",
       ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, plane,
       15000,15000,20,20,true,1,5,5,Vector3::UNIT_Z);
    ent = sceneMgr->createEntity("GroundEntity", "ground");
    sceneMgr->getRootSceneNode()->createChildSceneNode()->attachObject(ent);
    ent->setMaterialName("Ground");
    ent->setCastShadows(false);

	light = sceneMgr->createLight("sun");
	light->setType(Light::LT_DIRECTIONAL);
	light->setDirection(-1,-1,-1);

	OverlayManager& overlayMgr = OverlayManager::getSingleton();
	Ogre::OverlayContainer* panel = static_cast<OverlayContainer*>(
	   overlayMgr.createOverlayElement("Panel", "PanelName"));
	panel->setMetricsMode(Ogre::GMM_PIXELS);
	panel->setPosition(10, 10);
	panel->setDimensions(100, 100);

	TextAreaOverlayElement* textArea = static_cast<TextAreaOverlayElement*>(
	   overlayMgr.createOverlayElement("TextArea", "TextAreaName"));
	textArea->setMetricsMode(Ogre::GMM_PIXELS);
	textArea->setPosition(0, 0);
	textArea->setDimensions(100, 100);
	textArea->setCharHeight(16);
	textArea->setFontName("Arial");
	textArea->setCaption("Hello, World!");

	Ogre::Overlay* overlay = overlayMgr.create("AverageFps");
	overlay->add2D(panel);
	panel->addChild(textArea);
	overlay->show();
}

void OgreAppLogic::createCanvasOverlay()
{
	Ogre::OverlayManager& overlayManager = Ogre::OverlayManager::getSingleton();
	Ogre::Overlay* overlay = overlayManager.create("Canvas/Overlay");

	Ogre::PanelOverlayElement* panel = static_cast<Ogre::PanelOverlayElement*>(overlayManager.createOverlayElement("Panel", "CanvasClock1/Panel"));
	panel->setMetricsMode(Ogre::GMM_PIXELS);
	panel->setMaterialName("CanvasClock1");
	panel->setDimensions(150.0f, 150.0f);
	panel->setPosition(0, 0);
	overlay->add2D(panel);

	panel = static_cast<Ogre::PanelOverlayElement*>(overlayManager.createOverlayElement("Panel", "CanvasClock2/Panel"));
	panel->setMetricsMode(Ogre::GMM_PIXELS);
	panel->setMaterialName("CanvasClock2");
	panel->setDimensions(150.0f, 150.0f);
	panel->setPosition(mApplication->getRenderWindow()->getWidth()-150.0f, 0);
	overlay->add2D(panel);

	overlay->show();
}

void BasisManager::createInput() // создаем систему ввода
{
	Ogre::LogManager::getSingletonPtr()->logMessage("*** Initializing OIS ***");
	OIS::ParamList pl;
	size_t windowHnd = 0;
	std::ostringstream windowHndStr;

	mWindow->getCustomAttribute("WINDOW", &windowHnd);
	windowHndStr << windowHnd;
	pl.insert(std::make_pair(std::string("WINDOW"), windowHndStr.str()));

	mInputManager = OIS::InputManager::createInputSystem( pl );

	mKeyboard = static_cast<OIS::Keyboard*>(mInputManager->createInputObject( OIS::OISKeyboard, true ));
	mKeyboard->setEventCallback(this);


	mMouse = static_cast<OIS::Mouse*>(mInputManager->createInputObject( OIS::OISMouse, true ));
	mMouse->setEventCallback(this);

	mRoot->addFrameListener(this);

	windowResized(mWindow); // инициализация

	Ogre::WindowEventUtilities::addWindowEventListener(mWindow, this);

	Ogre::MaterialPtr material = Ogre::MaterialManager::getSingleton().getByName("wallpaper");
	if (false == material.isNull()) {
		Ogre::OverlayManager & manager = Ogre::OverlayManager::getSingleton();
		Ogre::Overlay * overlay = manager.create("wallpaper");
		overlay->setZOrder(0);
		overlay->show();
		Ogre::PanelOverlayElement * panel = static_cast<Ogre::PanelOverlayElement*>(manager.createOverlayElement("Panel", "wallpaper"));
		panel->setDimensions(1, 1);
		/*Ogre::FontPtr mpFont = Ogre::FontManager::getSingleton().getByName("MyGUI_font");
		mpFont->load();
		if (!mpFont.isNull()) {
			const Ogre::MaterialPtr & material2 = mpFont->getMaterial();
			panel->setMaterialName(material2->getName());
		}*/
		panel->setMaterialName(material->getName());
		overlay->add2D(panel);
	}
}

void OgreAppLogic::createCanvasOverlay()
{
	//create Texture
	mTexture = new Ogre::Canvas::Texture("Canvas", 640, 480, true, 0);

	//create Material
	mTexture->createMaterial();

	//create Overlay
	Ogre::OverlayManager& overlayManager = Ogre::OverlayManager::getSingleton();
	Ogre::Overlay* overlay = overlayManager.create("Canvas/Overlay");

	mPanel = static_cast<Ogre::PanelOverlayElement*>(overlayManager.createOverlayElement("Panel", "Canvas/Panel"));
	mPanel->setMetricsMode(Ogre::GMM_PIXELS);
	mPanel->setMaterialName("Canvas");
	mPanel->setDimensions(640, 480);
	mPanel->setPosition(0, 0);
	overlay->add2D(mPanel);

	overlay->show();
}

void SalamancerApplication::createBrowser(){
    Ogre::TexturePtr renderTexture = Ogre::TextureManager::getSingleton().createManual(
                "texture",
                Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
                Ogre::TEX_TYPE_2D, mWindow->getWidth(), mWindow->getHeight(), 0, Ogre::PF_A8R8G8B8, Ogre::TU_WRITE_ONLY);

    Ogre::MaterialPtr material = Ogre::MaterialManager::getSingletonPtr()->create("BrowserMaterial", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
    material->getTechnique(0)->getPass(0)->setCullingMode(Ogre::CULL_CLOCKWISE); // print both sides of the polygones
    material->getTechnique(0)->getPass(0)->createTextureUnitState("texture");
    material->getTechnique(0)->getPass(0)->setSceneBlending(SBT_TRANSPARENT_ALPHA);
    material->getTechnique(0)->getPass(0)->setLightingEnabled(false);
    
    Ogre::Overlay *overlay = Ogre::OverlayManager::getSingletonPtr()->create("BrowserOverlay");
    Ogre::OverlayContainer* panel = static_cast<OverlayContainer*>(Ogre::OverlayManager::getSingletonPtr()->createOverlayElement("Panel", "BrowserPanel"));
    
    panel->setPosition(0.0, 0.0);
    panel->setDimensions(1.0, 1.0);
    panel->setMaterialName("BrowserMaterial");
    overlay->add2D(panel);
    
    overlay->show();
    
    this->windowInfo.SetAsWindowless(0, true);
    
    this->clientHandler = new ClientHandler(renderTexture, this->mRoot->getAutoCreatedWindow(), mMouse, this->mCamera, this->mSceneMgr, this->world, this->context);
    
    browserSettings.web_security = STATE_DISABLED;
    
    this->browser = CefBrowserHost::CreateBrowserSync(windowInfo, this->clientHandler.get(),
            "file:///home/nathan/Projects/salamancer/dist/bin/hud/index.html",
            browserSettings, 
            NULL);
    
    this->clientHandler->SetBrowser(this->browser);
    
    mRoot->addFrameListener(this->clientHandler.get());
    
}

    void OgreEngine::initOverlay() {

        Ogre::OverlayManager& overlayManager = Ogre::OverlayManager::getSingleton();
        Ogre::OverlayContainer* panel = static_cast<Ogre::OverlayContainer*>(overlayManager.createOverlayElement("Panel", "PanelName"));
            panel->setMetricsMode(Ogre::GMM_PIXELS);
            panel->setPosition(10, 10);
            panel->setDimensions(100, 100);

            Ogre::TextAreaOverlayElement* textArea = static_cast<Ogre::TextAreaOverlayElement*>(
            overlayManager.createOverlayElement("TextArea", "worldName"));
            textArea->setMetricsMode(Ogre::GMM_PIXELS);
            textArea->setPosition(10, 10);
            textArea->setDimensions(100, 200);
            textArea->setFontName("StarWars");
            //textArea->setCaption(this->data["name"].toString().toStdString());
            textArea->setCharHeight(16);
            textArea->setColourBottom(Ogre::ColourValue(1, 1, 1));
            textArea->setColourTop(Ogre::ColourValue(1, 1, 1));

            Ogre::TextAreaOverlayElement* textArea2 = static_cast<Ogre::TextAreaOverlayElement*>(
            overlayManager.createOverlayElement("TextArea", "timeArea"));
            textArea2->setMetricsMode(Ogre::GMM_PIXELS);
            textArea2->setPosition(10, 30);
            textArea2->setDimensions(100, 200);
            textArea2->setFontName("StarWars");
            textArea2->setCaption("0min 0sec");
            textArea2->setCharHeight(16);
            textArea2->setColourBottom(Ogre::ColourValue(1, 1, 1));
            textArea2->setColourTop(Ogre::ColourValue(1, 1, 1));

            Ogre::Overlay* overlay = overlayManager.create("OverlayName");
            overlay->add2D(panel);
            panel->addChild(textArea);
            panel->addChild(textArea2);
            overlay->show();
    }

void test()
{
	Ogre::Root* pOgre = new Ogre::Root("", "");

    pOgre->loadPlugin(RENDER_SYSTEM);
	pOgre->setRenderSystem(pOgre->getAvailableRenderers().front());

	pOgre->initialise(false);
	
	Ogre::NameValuePairList lArgs;
	//lArgs["externalWindowHandle"] = bk::format("%d", (bk::uint)l_window.get_handle()).astr;
	Ogre::RenderWindow* pWindow = pOgre->createRenderWindow("Heart|Dockyard", 1024, 768, false, &lArgs);

	Ogre::SceneManager* pSceneManager = pOgre->createSceneManager(Ogre::ST_GENERIC,"SceneManager");
	pSceneManager->setShadowTechnique(Ogre::SHADOWTYPE_STENCIL_ADDITIVE);
	pSceneManager->setShadowCameraSetup(Ogre::ShadowCameraSetupPtr(new Ogre::FocusedShadowCameraSetup()));
	pSceneManager->setAmbientLight(Ogre::ColourValue(0.1f, 0.1f, 0.1f));

	Ogre::Camera* pCamera = pSceneManager->createCamera("Camera");
	pCamera->setFixedYawAxis(true, Ogre::Vector3::UNIT_Z);
	pCamera->setPosition(Ogre::Vector3(0.0f, 50.0f, 20.0f));
	pCamera->lookAt(Ogre::Vector3(0.0f, 0.0f, 0.0f)); 
	pCamera->setNearClipDistance(0.1f);
	pCamera->setFarClipDistance(100.0f);
	Ogre::Viewport* pViewport = pWindow->addViewport(pCamera);
	pViewport->setBackgroundColour(Ogre::ColourValue(0.0f, 0.0f, 0.0f));
	pCamera->setAspectRatio(Ogre::Real(pViewport->getActualWidth()) / Ogre::Real(pViewport->getActualHeight()));

	Ogre::ResourceGroupManager::getSingleton().addResourceLocation("../data/dockyard.zip", "Zip", "Dockyard", true);
	Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups();

	Ogre::MeshManager::getSingleton().createPlane("GroundPlane", "Dockyard", Ogre::Plane(0.0f, 0.0f, 1.0f, 0.0f), 100.0f, 100.0f, 100, 100, true, 1, 3.0f, 3.0f);
	Ogre::Entity* pGroundEntity = pSceneManager->createEntity("GroundPlane");
	pGroundEntity->setMaterialName("Examples/Rockwall");
	pGroundEntity->setCastShadows(false);
	pGroundEntity->getSubEntity(0)->getMaterial()->setShadingMode(Ogre::SO_PHONG);
	Ogre::SceneNode* pGroundNode = pSceneManager->getRootSceneNode()->createChildSceneNode();
	pGroundNode->attachObject(pGroundEntity);

	Ogre::Entity* pCubeEntity = pSceneManager->createEntity("Cube", Ogre::SceneManager::PT_CUBE);
	pCubeEntity->setMaterialName("Examples/10PointBlock");
	pCubeEntity->setCastShadows(true);
	Ogre::SceneNode* pCubeNode = pSceneManager->getRootSceneNode()->createChildSceneNode();
	pCubeNode->attachObject(pCubeEntity);
	pCubeNode->setPosition(0.0f, 0.0f, 5.f);
	pCubeNode->setScale(0.1f, 0.1f, 0.1f);

	Ogre::ColourValue lColour1(1.0f, 1.0f, 1.0f);
	Ogre::ColourValue lColour2(1.0f, 1.0f, 1.0f);
	Ogre::ColourValue lColour3(1.0f, 1.0f, 1.0f);
	Ogre::Light* pLight1 = pSceneManager->createLight();
	pLight1->setType(Ogre::Light::LT_SPOTLIGHT);
	pLight1->setPosition(30.0f, 30.0f, 30.0f);
	pLight1->setDirection(-1.0f, -1.0f, -1.0f);
	pLight1->setSpotlightRange(Ogre::Degree(30), Ogre::Degree(50));
	pLight1->setDiffuseColour(lColour1 * 0.5f);
	Ogre::Light* pLight2 = pSceneManager->createLight();
	pLight2->setType(Ogre::Light::LT_SPOTLIGHT);
	pLight2->setPosition(-30.0f, 30.0f, 30.0f);
	pLight2->setDirection(1.0f, -1.0f, -1.0f);
	pLight2->setSpotlightRange(Ogre::Degree(30), Ogre::Degree(50));
	pLight2->setDiffuseColour(lColour2 * 0.5f);
	Ogre::Light* pLight3 = pSceneManager->createLight();
	pLight3->setType(Ogre::Light::LT_SPOTLIGHT);
	pLight3->setPosition(30.0f, -30.0f, 30.0f);
	pLight3->setDirection(-1.0f, 1.0f, -1.0f);
	pLight3->setSpotlightRange(Ogre::Degree(30), Ogre::Degree(50));
	pLight3->setDiffuseColour(lColour3 * 0.5f);

	Ogre::Overlay* pMenuOverlay = Ogre::OverlayManager::getSingleton().create("Menu");
	Ogre::OverlayElement* pMenu = Ogre::OverlayManager::getSingleton().createOverlayElement("Panel", "Menu");
    pMenu->setMetricsMode(Ogre::GMM_PIXELS);
    pMenu->setWidth(200);
    pMenu->setHeight(200);
    pMenu->setTop(30);
    pMenu->setLeft(30);
    pMenu->setMaterialName("Examples/BumpyMetal");
	if (pMenu->isContainer()) pMenuOverlay->add2D(static_cast<Ogre::OverlayContainer*>(pMenu));
	pMenuOverlay->show();

	pOgre->startRendering();
}

void Menu::showQuestLog(const bool visible)
{
  Ogre::OverlayManager* om = Ogre::OverlayManager::getSingletonPtr();
  if (om==NULL) return;
  //Do we actually need to do something?
  if (visible==isQuestLogVisible()) return;

  if (visible)
  {
    //show it
    // -- create basic overlay
    Ogre::Overlay* ol = om->create(cQuestLogOverlay);
    // -- create container - panel
    Ogre::OverlayContainer* panel = static_cast<Ogre::OverlayContainer*>(
                 om->createOverlayElement("Panel", cQuestLogOverlay+"/Panel"));
    panel->setMetricsMode(Ogre::GMM_RELATIVE);
    panel->setPosition(0.0, 0.0);
    panel->setDimensions(1.0, 1.0);
    /*set material via panel->setMaterialName(...)?*/
    panel->setMaterialName("QuestLog/Transparency");
    //add panel to overlay
    ol->add2D(panel);

    //create elements
    // -- "vorwärts blättern"
    Ogre::TextAreaOverlayElement* text_elem = static_cast<Ogre::TextAreaOverlayElement*>(
                         om->createOverlayElement("TextArea", cQuestLogOverlay+"/Plus"));
    text_elem->setMetricsMode(Ogre::GMM_RELATIVE);
    text_elem->setPosition(0.125, 0.9);
    text_elem->setDimensions(0.25, 0.1);
    text_elem->setCaption("+ (Next)");
    text_elem->setAlignment(Ogre::TextAreaOverlayElement::Center);
    text_elem->setFontName("Console");
    text_elem->setColour(Ogre::ColourValue(1.0, 0.5, 0.0));
    text_elem->setCharHeight(cQuestLogCharHeight);
    panel->addChild(text_elem);
    //-- "rückwärts blättern"
    text_elem = static_cast<Ogre::TextAreaOverlayElement*>(
              om->createOverlayElement("TextArea", cQuestLogOverlay+"/Minus"));
    text_elem->setMetricsMode(Ogre::GMM_RELATIVE);
    text_elem->setPosition(0.425, 0.9);
    text_elem->setDimensions(0.25, 0.1);
    text_elem->setCaption("- (Previous)");
    text_elem->setAlignment(Ogre::TextAreaOverlayElement::Center);
    text_elem->setFontName("Console");
    text_elem->setColour(Ogre::ColourValue(1.0, 0.5, 0.0));
    text_elem->setCharHeight(cQuestLogCharHeight);
    panel->addChild(text_elem);

    //lists all entries that fit onto the page
    showQuestLogEntries();

    // -- page number
    text_elem = static_cast<Ogre::TextAreaOverlayElement*>(
              om->createOverlayElement("TextArea", cQuestLogOverlay+"/Page"));
    text_elem->setMetricsMode(Ogre::GMM_RELATIVE);
    text_elem->setPosition(0.725, 0.9);
    text_elem->setDimensions(0.25, 0.1);
    text_elem->setCaption("Page "+IntToString(m_QuestLogOffset/cQuestLogEntriesPerPage+1));
    text_elem->setAlignment(Ogre::TextAreaOverlayElement::Center);
    text_elem->setFontName("Console");
    text_elem->setColour(Ogre::ColourValue(1.0, 0.5, 0.0));
    text_elem->setCharHeight(cQuestLogCharHeight);
    panel->addChild(text_elem);

    //show the overlay
    ol->show();
  }//if visible
  else
  {
    //destroy all elements
    unsigned int i;
    // destroy entries
    for (i=0; i<m_QuestLogEntryCount; ++i)
    {
      om->destroyOverlayElement(cQuestLogOverlay+"/"+IntToString(i));
    }//for
    m_QuestLogEntryCount = 0;
    //destroy navigation elements
    om->destroyOverlayElement(cQuestLogOverlay+"/Plus");
    om->destroyOverlayElement(cQuestLogOverlay+"/Minus");
    om->destroyOverlayElement(cQuestLogOverlay+"/Page");
    //destroy panel
    om->destroyOverlayElement(cQuestLogOverlay+"/Panel");
    //destroy overlay
    om->destroy(cQuestLogOverlay);
  }//else
}//function

void OgreAppLogic::createKinectOverlay(const std::string& colorTextureName, const std::string& depthTextureName, const std::string& coloredDepthTextureName)
{
	//Create Color Overlay
	
	{
		//Create Overlay
		Ogre::OverlayManager& overlayManager = Ogre::OverlayManager::getSingleton();
		Ogre::Overlay* overlay = overlayManager.create("KinectColorOverlay");

		//Create Material
		const std::string materialName = "KinectColorMaterial";
		Ogre::MaterialPtr material = MaterialManager::getSingleton().create(materialName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
		material->getTechnique(0)->getPass(0)->setLightingEnabled(false);
		material->getTechnique(0)->getPass(0)->setDepthWriteEnabled(false);
		material->getTechnique(0)->getPass(0)->createTextureUnitState(colorTextureName);

		//Create Panel
		Ogre::PanelOverlayElement* panel = static_cast<Ogre::PanelOverlayElement*>(overlayManager.createOverlayElement("Panel", "KinectColorPanel"));
		panel->setMetricsMode(Ogre::GMM_PIXELS);
		panel->setMaterialName(materialName);
		panel->setDimensions((float)Kinect::colorWidth/4, (float)Kinect::colorHeight/4);
		panel->setPosition(0.0f, 0.0f);
		overlay->add2D(panel);		
		overlay->setZOrder(300);
		overlay->show(); 
	}
	
	//Create Depth Overlay
	{
		//Create Overlay
		Ogre::OverlayManager& overlayManager = Ogre::OverlayManager::getSingleton();
		Ogre::Overlay* overlay = overlayManager.create("KinectDepthOverlay");

		//Create Material
		const std::string materialName = "KinectDepthMaterial";
		Ogre::MaterialPtr material = MaterialManager::getSingleton().create(materialName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
		material->getTechnique(0)->getPass(0)->setLightingEnabled(false);
		material->getTechnique(0)->getPass(0)->setDepthWriteEnabled(false);
		material->getTechnique(0)->getPass(0)->setAlphaRejectSettings(CMPF_GREATER, 127);
		material->getTechnique(0)->getPass(0)->createTextureUnitState(depthTextureName);
		//material->getTechnique(0)->getPass(0)->setVertexProgram("Ogre/Compositor/StdQuad_vp");
		//material->getTechnique(0)->getPass(0)->setFragmentProgram("KinectDepth");

		//Create Panel
		Ogre::PanelOverlayElement* panel = static_cast<Ogre::PanelOverlayElement*>(overlayManager.createOverlayElement("Panel", "KinectDepthPanel"));
		panel->setMetricsMode(Ogre::GMM_PIXELS);
		panel->setMaterialName(materialName);
		panel->setDimensions((float)Kinect::depthWidth/4, (float)Kinect::depthHeight/4);
		panel->setPosition((float)640.0f/4, 0.0f);
		overlay->add2D(panel);		
		overlay->setZOrder(310);
		overlay->show();
	}
	
	//Create Colored Depth Overlay
	{
		//Create Overlay
		Ogre::OverlayManager& overlayManager = Ogre::OverlayManager::getSingleton();
		Ogre::Overlay* overlay = overlayManager.create("KinectColoredDepthOverlay");

		//Create Material
		const std::string materialName = "KinectColoredDepthMaterial";
		Ogre::MaterialPtr material = MaterialManager::getSingleton().create(materialName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
		material->getTechnique(0)->getPass(0)->setLightingEnabled(false);
		material->getTechnique(0)->getPass(0)->setDepthWriteEnabled(false);
		material->getTechnique(0)->getPass(0)->createTextureUnitState(coloredDepthTextureName);

		//Create Panel
		Ogre::PanelOverlayElement* panel = static_cast<Ogre::PanelOverlayElement*>(overlayManager.createOverlayElement("Panel", "KinectColoredDepthPanel"));
		panel->setMetricsMode(Ogre::GMM_PIXELS);
		panel->setMaterialName(materialName);
		panel->setDimensions((float)Kinect::depthWidth/4, (float)Kinect::depthHeight/4);
		panel->setPosition((float)1280.0f/4, 0.0f);
		overlay->add2D(panel);		
		overlay->setZOrder(320);
		overlay->show();
	}
}

static void InitStartScene()
{
	if(app.state.CurentState > 0)
	{
		return;
	}

	Ogre::RTShader::ShaderGenerator::initialize();
	Ogre::RTShader::ShaderGenerator::getSingletonPtr()->setTargetLanguage("glsles");
	gMatListener = new Ogre::ShaderGeneratorTechniqueResolverListener();
	Ogre::MaterialManager::getSingleton().addListener(gMatListener);

	LOGW("Create SceneManager");
	gSceneMgr = gRoot->createSceneManager(Ogre::ST_GENERIC);
	Ogre::RTShader::ShaderGenerator::getSingletonPtr()->addSceneManager(gSceneMgr);

	camera = gSceneMgr->createCamera("MyCam");
	camera->setNearClipDistance(1.0f);
	camera->setFarClipDistance(100000.0f);
	camera->setPosition(0,0,20.0f);
	camera->lookAt(0,0,0);
	camera->setAutoAspectRatio(true);

	vp = gRenderWnd->addViewport(camera);
	vp->setBackgroundColour(Ogre::ColourValue(1.0f, 1.0f, 1.0f));
	vp->setMaterialScheme(Ogre::RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME);

	/**
	 * http://www.ogre3d.org/tikiwiki/tiki-index.php?page=Creating+Overlays+via+Code
	 * http://www.ogre3d.org/forums/viewtopic.php?f=2&t=78278#p492027
	 */
	LOGW("Create OverlaySystem");
	Ogre::OverlaySystem *mOverlaySystem = OGRE_NEW Ogre::OverlaySystem();
	gSceneMgr->addRenderQueueListener(mOverlaySystem);

	LOGW("Create overlayManager");
	Ogre::OverlayManager& overlayManager = Ogre::OverlayManager::getSingleton();

	loadResources("resources.cfg");
	Ogre::ResourceGroupManager::getSingletonPtr()->initialiseResourceGroup("Start");

	LOGW("Create a img overlay panel");
	Ogre::OverlayContainer* panel = static_cast<Ogre::OverlayContainer*>( overlayManager.createOverlayElement( "Panel", "PanelLogo" ) );
	panel->setPosition( vp->getActualWidth()/2 - 64, vp->getActualHeight()/2 - 64 - 20 );
	panel->setDimensions( 128, 64 );
	panel->setMaterialName("overlay_image_material");
	panel->setMetricsMode(Ogre::GMM_PIXELS);

	Ogre::Overlay* LogoOverlay = overlayManager.create( "OverlayLogo" );
	LogoOverlay->add2D( panel );
	LogoOverlay->show();


	LOGW("Create a text overlay panel");
	textArea = static_cast<Ogre::TextAreaOverlayElement*>(overlayManager.createOverlayElement("TextArea", "TextAreaName"));
	textArea->setMetricsMode(Ogre::GMM_PIXELS);
	textArea->setPosition(0, 0);
	textArea->setDimensions(100, 100);
	textArea->setCaption("Hello, World!");
	textArea->setCharHeight(48);
	textArea->setFontName("QWcuckoo");
	textArea->setColourBottom(Ogre::ColourValue(0.0f, 0.0f, 1.0f));
	textArea->setColourTop(Ogre::ColourValue(1.0f, 0.0f, 0.0f));

	Ogre::OverlayContainer* TextPanel = static_cast<Ogre::OverlayContainer*>( overlayManager.createOverlayElement( "Panel", "PanelText" ) );
	TextPanel->setPosition( vp->getActualWidth()/2 - 128, vp->getActualHeight()/2 + 20 );
	TextPanel->setDimensions( 256, 64 );
	TextPanel->setMaterialName("overlay_text_material");
	TextPanel->setMetricsMode(Ogre::GMM_PIXELS);
	TextPanel->addChild(textArea);

	Ogre::Overlay* TextOverlay = overlayManager.create( "OverlayText" );
	TextOverlay->add2D( TextPanel );
	TextOverlay->show();

	app.state.CurentState = 1;

}