C++ ogre::OverlayElement类代码示例

void SplashScreenState::enter()
{
	OgreFramework::getSingletonPtr()->m_pLog->logMessage("Entering SplashScreenState...");

	m_pSceneMgr = OgreFramework::getSingletonPtr()->m_pRoot->createSceneManager(Ogre::ST_GENERIC, "SplashSceneMgr");
	m_pSceneMgr->setAmbientLight(Ogre::ColourValue(0.7f, 0.7f, 0.7f));

	m_pSceneMgr->addRenderQueueListener(OgreFramework::getSingletonPtr()->m_pOverlaySystem);

	m_pCamera = m_pSceneMgr->createCamera("SplashCam");
	m_pCamera->setPosition(Ogre::Vector3(0, 25, -50));
	m_pCamera->lookAt(Ogre::Vector3(0, 0, 0));
	m_pCamera->setNearClipDistance(1);

	m_pCamera->setAspectRatio(Ogre::Real(OgreFramework::getSingletonPtr()->m_pViewport->getActualWidth()) /
		Ogre::Real(OgreFramework::getSingletonPtr()->m_pViewport->getActualHeight()));

	OgreFramework::getSingletonPtr()->m_pViewport->setCamera(m_pCamera);

	createScene();

	OgreFramework::getSingletonPtr()->m_pTrayMgr->destroyAllWidgets();

	new ObjectCache(m_pSceneMgr);

	Ogre::OverlayElement * btn = OgreFramework::getSingletonPtr()->m_pTrayMgr->createButton(OgreBites::TL_NONE, "SplashBtn", "Press Enter to continue...", 250)->getOverlayElement();
	btn->setPosition(Ogre::Real(OgreFramework::getSingletonPtr()->m_pViewport->getActualWidth()) * 50 / 100 - 125,
			Ogre::Real(OgreFramework::getSingletonPtr()->m_pViewport->getActualHeight()) * 75 / 100);
	OgreFramework::getSingletonPtr()->m_pTrayMgr->hideCursor();
}

GameplayScreen::~GameplayScreen()
{
	//Destroy our game objects
	delete mWhacker;
	for(unsigned int i=0; i<mDragons.size(); i++)
	{
		delete mDragons[i];
	}
	//Destroy all entities created
	Ogre::SceneManager* mSceneManager = Ogre::Root::getSingletonPtr()->getSceneManager("ApplicationSceneManager");
	mSceneManager->destroyEntity("Stage");
	//Remove the stage mesh
	mStageNode->removeAndDestroyAllChildren();
	mStageNode->getParentSceneNode()->removeAndDestroyChild(mStageNode->getName());
	//Destroy our score overlay
	//To do this, we must traverse all elements contained within
	//the overlay and remove them one at a time.
	Ogre::OverlayManager* overlayMgr = Ogre::OverlayManager::getSingletonPtr();
	Ogre::Overlay::Overlay2DElementsIterator iter = mOverlay->get2DElementsIterator();
	for(;iter.hasMoreElements();)
	{
		Ogre::OverlayContainer * childContainer = iter.getNext();
		Ogre::OverlayContainer::ChildIterator contIter = childContainer->getChildIterator();
		for(;contIter.hasMoreElements();)
		{
			Ogre::OverlayElement* curElement = contIter.getNext();
			overlayMgr->destroyOverlayElement(curElement->getName());
		}
		overlayMgr->destroyOverlayElement(childContainer->getName());
	}
	overlayMgr->destroy(mOverlay->getName());
}

void ResourceGroupReloader::visitRecursivelyRenderablesFrom(Ogre::OverlayContainer* pOverlayContainer, Ogre::Renderable::Visitor& pVisitor, bool debugRenderable)
{
	// call on 'this'
	pOverlayContainer->visitRenderables(&pVisitor,false);

	// call on 'leaf' (cf composite pattern)
	{
		Ogre::OverlayContainer::ChildIterator childIter = pOverlayContainer->getChildIterator();
		for(;childIter.hasMoreElements();)
		{
			Ogre::OverlayElement* lOverElem = childIter.getNext();
			lOverElem->visitRenderables(&pVisitor,false);
		}
	}

	// call on 'not-leaf' (cf composite pattern)
	{
		Ogre::OverlayContainer::ChildContainerIterator childContainerIter = pOverlayContainer->getChildContainerIterator();
		for(;childContainerIter.hasMoreElements();)
		{
			Ogre::OverlayContainer * childContainer = childContainerIter.getNext();
			visitRecursivelyRenderablesFrom(childContainer, pVisitor,debugRenderable);
		}
	}
}

void Menu::showDialogue(const std::string& first, const std::vector<std::string>& options)
{
  Ogre::OverlayManager& om = Ogre::OverlayManager::getSingleton();
  std::cout << "getByName(overlay)\n";
  Ogre::Overlay* dialOverlay = om.getByName(cDialogueOverlay);
  if (dialOverlay == NULL)
  {
    std::cout << "create(overlay)\n";
    dialOverlay = om.create(cDialogueOverlay);
  }
  Ogre::OverlayContainer* dialCont = NULL;
  std::cout << "getOE(Box)\n";
  dialCont = static_cast<Ogre::OverlayContainer*> (om.getOverlayElement(cDialogueOverlay+"/Box"));
  if (dialCont == NULL)
  {
    std::cout << "createOE(Box)\n";
    dialCont = static_cast<Ogre::OverlayContainer*>
                    (om.createOverlayElement("Panel", cDialogueOverlay+"/Box"));
    dialCont->setPosition(0.0, 0.75);
    dialCont->setDimensions(1.0, 0.25);
    dialCont->setMaterialName("Dusk/Dialogue/Black");
  }
  std::cout << "getOE(Box/First)\n";
  Ogre::OverlayElement* dialElem;
  dialElem = om.getOverlayElement(cDialogueOverlay+"/Box/First");
  if (dialElem==NULL)
  {
    std::cout << "createOE(Box/First)\n";
    dialElem = om.createOverlayElement("TextArea", cDialogueOverlay+"/Box/First");
    dialElem->setDimensions(1.0, 0.0625);
    dialElem->setPosition(0.0, 0.0);
    dialElem->setMaterialName("Dusk/Dialogue/Element");
    dialCont->addChild(dialElem);
  }
  dialElem->setCaption(first);
  dialElem->show();
  unsigned int elemCount = options.size();
  if (elemCount > cMaxDialogueOptions)
  {
    elemCount = cMaxDialogueOptions;
  }

  killDialogueOverlayLines();
  unsigned int i;
  const float elemHeight = 0.8/(float)elemCount;
  for (i=0; i<elemCount; i=i+1)
  {
    //dialElem = om.createOverlayElement("TextArea", cDialogueOverlay+"/Box/Line"+IntToString(i));
    dialElem = om.createOverlayElementFromTemplate(cDialogueOverlay+"/LineTemplate", "TextArea", cDialogueOverlay+"/Box/Line"+IntToString(i));
    dialElem->setPosition(0.1, dialCont->getHeight()*(0.2+i*elemHeight));
    dialElem->setDimensions(0.8, elemHeight*dialCont->getHeight());
    dialElem->setCaption(IntToString(i+1)+": "+options[i]);
    dialElem->show();
    dialCont->addChild(dialElem);
    m_DialogueLineCount = i+1;
  }//for
  dialOverlay->show();
}

void PendulumTest::updateOverlayData(unsigned int trialNum)
{
	Ogre::OverlayElement* trialElement = 
		Ogre::OverlayManager::getSingleton().getOverlayElement(
		"Verve/TrialNumber/Trial");

	trialElement->setCaption("Trial " + 
		Ogre::StringConverter::toString(trialNum));
}

void HUDInGame::processMessageBoxVisibilityChanged(MsgBoxVisibilityChangedEventPtr evt)
{
    Ogre::OverlayElement* diamondPanel = Ogre::OverlayManager::getSingleton().getOverlayElement(PANEL_DIAMONDS);
    if (evt->mVisible)
        diamondPanel->hide();
    else diamondPanel->show();


}

bool wxOgre::frameEnded(const Ogre::FrameEvent& evt)
{
	static const wxString camPosCaption(wxT("CamPos:X:%06.3f, Y:%06.3f, Z:%06.3f"));
	Ogre::OverlayElement* guiCurr  = Ogre::OverlayManager::getSingleton().getOverlayElement("TextAreaOverlayElement");
	Ogre::Vector3 camPos(mCamera->getRealPosition());
	wxString camText(wxString::Format(camPosCaption, camPos.x, camPos.y, camPos.z));
	guiCurr->setCaption(Ogre::String(camText.mb_str(wxConvUTF8)));
	return true;
		
}

	void COverlay::createChildPanel(const std::string& name, 
		float left, float top, float width, float height,
		const std::string& material)
	{
		assert( !_overlayManager->hasOverlayElement(name) && "Ya existe un elemento hijo con el mismo nombre" );
		
		Ogre::OverlayElement* newChild = 
			createChildElement(TChildType::PANEL, name, left, top, width, height);

		if(material.length() > 0)
			newChild->setMaterialName(material);

		_overlay->add2D( static_cast<Ogre::OverlayContainer*>(newChild) );
	} //createChildPanel

	Ogre::OverlayElement* COverlay::createChildElement(const std::string &type, const std::string& name, 
		float left, float top, float width, float height)
	{		
		assert( !_overlayManager->hasOverlayElement(name) && "Ya existe un elemento hijo con el mismo nombre" );
		
		Ogre::OverlayElement* newChild = _overlayManager->createOverlayElement(type, name);
			newChild->setMetricsMode(_metricsMode); 
			newChild->setPosition(left, top);		// segun metricsMode: relativas o en pixeles
			newChild->setDimensions(width, height); 
		
		_childElements[name] = newChild;

		return newChild;
	} // createChildTextArea

	void TextRenderer::SetText(const std::string &id, const char *fmt, /* args */ ...)
	{
		char       text[256] = {'\0'};
		va_list    ap;

		if (fmt)
		{
			va_start(ap, fmt);
			vsprintf(text, fmt, ap);
			va_end(ap);
		}

		Ogre::OverlayElement *textBox = m_overlayMgr->getOverlayElement(id);
		textBox->setCaption(text);
	}

void Application::updateOverlayInfo()
{
	m_debug_1 = "";
	m_debug_2 = "";
	
	if (onSurface)
	{
		m_debug_1 = "On surface";
	}
	else
	{
		m_debug_1 = "On air";	
		last_hit_position = NxOgre::Vec3(0,0,0);
		last_hit_normal = NxOgre::Vec3(0,0,0);
		last_hit_sliding = NxOgre::Vec3(0,0,0);
		angle_normal = 0;
	}

	m_debug_1 = m_debug_1 + " :: " + "P[" 
		" " + Ogre::StringConverter::toString(last_hit_position.x) +
		" " + Ogre::StringConverter::toString(last_hit_position.y) +
		" " + Ogre::StringConverter::toString(last_hit_position.z) +
		" " + "]" + " :: " + "N[" +
		" " + Ogre::StringConverter::toString(last_hit_normal.x) +
		" " + Ogre::StringConverter::toString(last_hit_normal.y) +
		" " + Ogre::StringConverter::toString(last_hit_normal.z) +
		" " + "]" + " :: " + "S[" +
		" " + Ogre::StringConverter::toString(last_hit_sliding.x) +
		" " + Ogre::StringConverter::toString(last_hit_sliding.y) +
		" " + Ogre::StringConverter::toString(last_hit_sliding.z) +
		" " + "]" + " :: " + "A[" +
		" " + Ogre::StringConverter::toString(Ogre::Real(angle_normal)) +
		" " + "]";

	if (m_showInfo)
	{
		Ogre::OverlayElement* overlay  = Ogre::OverlayManager::getSingleton().getOverlayElement("InfoPanelFps");
		overlay->setCaption("Current FPS: "+Ogre::StringConverter::toString(m_window->getLastFPS()));
		overlay = Ogre::OverlayManager::getSingleton().getOverlayElement("InfoPanelNTriangles");
		overlay->setCaption("Triangle count: "+Ogre::StringConverter::toString(m_window->getTriangleCount()));
	}
	else 
	{
		Ogre::OverlayElement* overlay  = Ogre::OverlayManager::getSingleton().getOverlayElement("InfoPanelFps");
		overlay->setCaption(m_debug_2);
		overlay = Ogre::OverlayManager::getSingleton().getOverlayElement("InfoPanelNTriangles");
		overlay->setCaption("");
	}
	if (m_showDebug)
	{
		Ogre::OverlayElement* overlay  = Ogre::OverlayManager::getSingleton().getOverlayElement("InfoPanelDebug");
		overlay->setCaption(m_debug_1);
	}
	else 
	{
		Ogre::OverlayElement* overlay_2  = Ogre::OverlayManager::getSingleton().getOverlayElement("InfoPanelDebug");
	}
}

void ResourceGroupReloader::UpdateMaterialRenderableVisitor::visit(
	Ogre::Renderable *rend, Ogre::ushort lodIndex, bool isDebug, Ogre::Any *pAny)
{
	const Ogre::MaterialPtr mat = rend->getMaterial();
	if(!mat.isNull())
	{
		std::string newMatName = mat->getName();
		Ogre::MaterialPtr newMat = Ogre::MaterialManager::getSingleton().getByName(newMatName);
		if(newMat.isNull())
		{
			// this can happen if there was error during the reloading of the material.
			// in that case, we keep the ancient one.
			// Ice::Log::Instance().LogMessage(newMatName+" : new material is null!");
			return;
		}

		// unfortunately, the renderable gives access only to a const MaterialPtr.
		// and there is no 'setMaterial' or 'setMaterialName' method on renderables.
		// so I have to try to down cast with known classes...
		{   
			Ogre::SubEntity* lRend = dynamic_cast<Ogre::SubEntity*>(rend);
			if(lRend){lRend->setMaterialName(newMatName);return;} 
		}
		{
			Ogre::SimpleRenderable* lRend = dynamic_cast<Ogre::SimpleRenderable*>(rend);
			if(lRend){lRend->setMaterial(newMatName);return;} 
		}
		{
			Ogre::ShadowRenderable* lRend = dynamic_cast<Ogre::ShadowRenderable*>(rend);
			if(lRend){lRend->setMaterial(newMat);return;} 
		}
		{   
			Ogre::BillboardChain* lRend = dynamic_cast<Ogre::BillboardChain*>(rend);
			if(lRend){lRend->setMaterialName(newMatName);return;} 
		}
		{   
			Ogre::BillboardSet* lRend = dynamic_cast<Ogre::BillboardSet*>(rend);
			if(lRend){lRend->setMaterialName(newMatName);return;} 
		}
		{   
			Ogre::OverlayElement* lRend = dynamic_cast<Ogre::OverlayElement*>(rend);
			if(lRend){lRend->setMaterialName(newMatName);return;} 
		}
	}else{
		// was there for debug...
		// Ice::Log::Instance().LogMessage("material of renderable is null!");
	}
}

bool
COgreDebugOverlay::frameEnded( const Ogre::FrameEvent& evt )
{GUCE_TRACE;

    if ( NULL != m_debugOverlay )
    {
        static Ogre::String currFps = "Current FPS: ";
        static Ogre::String avgFps = "Average FPS: ";
        static Ogre::String bestFps = "Best FPS: ";
        static Ogre::String worstFps = "Worst FPS: ";
        static Ogre::String tris = "Triangle Count: ";

        // update stats when necessary
        try
        {
            Ogre::OverlayElement* guiAvg = m_overlayManager->getOverlayElement( "Core/AverageFps" );
            Ogre::OverlayElement* guiCurr = m_overlayManager->getOverlayElement( "Core/CurrFps" );
            Ogre::OverlayElement* guiBest = m_overlayManager->getOverlayElement( "Core/BestFps" );
            Ogre::OverlayElement* guiWorst = m_overlayManager->getOverlayElement( "Core/WorstFps" );

            const Ogre::RenderTarget::FrameStats& stats = m_window->GetOgreWindowPtr()->getStatistics();

            guiAvg->setCaption( avgFps + Ogre::StringConverter::toString( stats.avgFPS ) );
            guiCurr->setCaption( currFps + Ogre::StringConverter::toString( stats.lastFPS ) );
            guiBest->setCaption( bestFps + Ogre::StringConverter::toString( stats.bestFPS )
                +" "+Ogre::StringConverter::toString(stats.bestFrameTime)+" ms");
            guiWorst->setCaption(worstFps + Ogre::StringConverter::toString(stats.worstFPS )
                +" "+Ogre::StringConverter::toString(stats.worstFrameTime)+" ms");

            Ogre::OverlayElement* guiTris = m_overlayManager->getOverlayElement( "Core/NumTris" );
            guiTris->setCaption( tris + Ogre::StringConverter::toString( stats.triangleCount ) );

            //Ogre::OverlayElement* guiDbg = m_overlayManager->getOverlayElement( "Core/DebugText" );
            //guiDbg->setCaption( m_window->GetOgreWindowPtr()->getDebugText() );
        }
        catch( Ogre::Exception& )
        {
            // ignore
        }    
    }
    
    return true;
}

Display::Display(Game * game) :
    game(game),
    overlay(overlayMgr()->getByName(OVERLAY_NAME)),
    infoBar(overlay->getChild(INFO_BAR_NAME)),
    levelTextBox(getTextArea(LEVEL_TEXT_BOX_NAME, infoBar)),
    distanceTextBox(getTextArea(DISTANCE_TEXT_BOX_NAME, infoBar)),
    statsPanel(overlay->getChild(STATS_PANEL_NAME)),
    positionTextBox(getTextArea(POSITION_TEXT_BOX_NAME)),
    velocityTextBox(getTextArea(VELOCITY_TEXT_BOX_NAME)),
    pitchRollYawTextBox(getTextArea(PITCH_ROLL_YAW_TEXT_BOX_NAME)),
    thrustTextBox(getTextArea(THRUST_TEXT_BOX_NAME)),
    speedTextBox(getTextArea(SPEED_TEXT_BOX_NAME)),
    aoaTextBox(getTextArea(AOA_TEXT_BOX_NAME)) {

    Ogre::OverlayElement * elt = overlayMgr()->getOverlayElement(TEXT_BOX_TEMPLATE_NAME, true);
    normalValueColor = elt->getColour();
    
    elt = overlayMgr()->getOverlayElement(MAXED_TEXT_BOX_TEMPLATE_NAME, true);
    maxedValueColor = elt->getColour();
}

	void TextRenderer::AddTextBox(const std::string &id,
		const std::string &text,
		Ogre::Real x, Ogre::Real y,
		Ogre::Real width, Ogre::Real height,
		const Ogre::ColourValue &color)
	{
		Ogre::OverlayElement *textBox = m_overlayMgr->createOverlayElement("TextArea", id);
		textBox->setDimensions(width, height);
		textBox->setMetricsMode(Ogre::GMM_PIXELS);
		textBox->setPosition(x, y);
		textBox->setWidth(width);
		textBox->setHeight(height);
		textBox->setParameter("font_name", "DebugFont");
		textBox->setParameter("char_height", "16");
		textBox->setColour(color);

		textBox->setCaption(text);

		m_panel->addChild(textBox);
	}