/// udata_vp	CreateRTTViewport	(udata_rtt,udata_cam)  ... RTT = render to texture
		static int		CreateRTTViewport	(lua_State *L) { PROFILE
			Ogre::RenderTarget*	pRenderTarget 	= cLuaBind<cRenderTexture>::checkudata_alive(L,1)->mpRenderTarget;
			Ogre::Camera*			pCamera 		= cLuaBind<cCamera>::checkudata_alive(L,2)->mpCam;
			assert(pRenderTarget);
			assert(pCamera);
			Ogre::Viewport*			pViewPort = pRenderTarget->addViewport(pCamera);
			cViewport* target = pViewPort ? new cViewport(pViewPort) : 0;
			return CreateUData(L,target);
		}
Exemple #2
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 void ReliefApp::GenerateRelief()
 {
     //Get depth data
     Ogre::TexturePtr depthTex = Ogre::TextureManager::getSingleton().createManual(  
         "DepthTexture",      // name   
         Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,  
         Ogre::TEX_TYPE_2D,   // type   
         512,  // width   
         512,  // height   
         0,                   // number of mipmaps   
         //Ogre::PF_B8G8R8A8,   // pixel format
         Ogre::PF_FLOAT32_R,
         Ogre::TU_RENDERTARGET
         ); 
     Ogre::RenderTarget* pTarget = depthTex->getBuffer()->getRenderTarget();
     Ogre::Camera* pOrthCam = MagicCore::RenderSystem::GetSingleton()->GetMainCamera();
     pOrthCam->setProjectionType(Ogre::PT_ORTHOGRAPHIC);
     pOrthCam->setOrthoWindow(3, 3);
     pOrthCam->setPosition(0, 0, 3);
     pOrthCam->lookAt(0, 0, 0);
     pOrthCam->setAspectRatio(1.0);
     pOrthCam->setNearClipDistance(0.5);
     pOrthCam->setFarClipDistance(5);
     Ogre::Viewport* pViewport = pTarget->addViewport(pOrthCam);
     pViewport->setDimensions(0, 0, 1, 1);
     MagicCore::RenderSystem::GetSingleton()->RenderLightMesh3D("RenderMesh", "Depth", mpLightMesh);
     MagicCore::RenderSystem::GetSingleton()->Update();
     Ogre::Image img;
     depthTex->convertToImage(img);
     std::vector<double> heightField(512 * 512);
     for(int x = 0; x < 512; x++)  
     {  
         for(int y = 0; y < 512; y++)  
         {
             heightField.at(x * 512 + y) = (img.getColourAt(x, 511 - y, 0))[1];
         }
     }
     Ogre::TextureManager::getSingleton().remove("DepthTexture");
     //
     MagicDGP::LightMesh3D* pReliefMesh = MagicDGP::ReliefGeneration::PlaneReliefFromHeightField(heightField, 511, 511);
     //MagicDGP::LightMesh3D* pReliefMesh = MagicDGP::ReliefGeneration::CylinderReliefFromHeightField(heightField, 511, 511);
     if (pReliefMesh != NULL)
     {
         delete mpLightMesh;
         mpLightMesh = pReliefMesh;
         mpLightMesh->UnifyPosition(2);
         mpLightMesh->UpdateNormal();
     }
     MagicCore::RenderSystem::GetSingleton()->SetupCameraDefaultParameter();
     MagicCore::RenderSystem::GetSingleton()->RenderLightMesh3D("RenderMesh", "MyCookTorrance", mpLightMesh);
 }
Ogre::TexturePtr OgrePlanarReflectionMaterial::createRenderTargetTexture(Ogre::Camera& camera)
{
    using namespace Ogre;
    std::ostringstream s;
    s << "Rtt[" << numInstances << "]";
    TexturePtr texture = TextureManager::getSingleton().createManual(
            s.str(),
            "General",
            Ogre::TEX_TYPE_2D,
            resolutionTexture.getValue().elems[0],
            resolutionTexture.getValue().elems[1],
            0,
            PF_R8G8B8,
            Ogre::TU_RENDERTARGET);
    Ogre::RenderTarget* rtt = texture->getBuffer()->getRenderTarget();
    Ogre::Viewport* v = rtt->addViewport( &camera );
    v->setClearEveryFrame(true);
    v->setBackgroundColour( Ogre::ColourValue::Black );
    return texture;
}
bool
CGUIDriverOgre::Init( GUI::TWindowContextPtr windowContext )
{
    if ( !m_ceGuiInitialized )
    {
        try
        {
            Ogre::RenderTarget* renderTarget = nullptr;
            CORE::CString renderTargetPtrStr = windowContext->GetProperty( "Ogre::RenderTarget" );
            if ( !renderTargetPtrStr.IsNULLOrEmpty() )
            {
                renderTarget = static_cast< Ogre::RenderTarget* >( CORE::StringToPointer( renderTargetPtrStr ) );
                if ( NULL == renderTarget )
                    return false;
            }
            Ogre::SceneManager* sceneManager = nullptr;
            CORE::CString sceneManagerPtrStr = windowContext->GetProperty( "Ogre::SceneManager" );
            if ( !sceneManagerPtrStr.IsNULLOrEmpty() )
            {
                sceneManager = static_cast< Ogre::SceneManager* >( CORE::StringToPointer( sceneManagerPtrStr ) );
                if ( NULL == sceneManager )
                    return false;
            }
            
            // Auto-create a viewport here if none exists yet
            unsigned short viewportCount = renderTarget->getNumViewports();
            if ( 0 == viewportCount )
            {
                Ogre::Camera* camera = sceneManager->createCamera( "CEGUI" );
                camera->setPosition( Ogre::Vector3( 0, 0, 500 ) );
                camera->lookAt( Ogre::Vector3( 0, 0, -300 ) );
                camera->setNearClipDistance( 5 );

                // Create a viewport covering whole window
                Ogre::Viewport* viewport = renderTarget->addViewport( camera );
                viewport->setBackgroundColour( Ogre::ColourValue( 0.0f, 0.0f, 0.0f, 0.0f ) );
                viewport->setOverlaysEnabled( true );
                                                  
                // Update the camera aspect ratio to that of the viewport
                camera->setAspectRatio( Ogre::Real( viewport->getActualWidth() ) / Ogre::Real( viewport->getActualHeight() ) );                
            }

            CEGUI::Sizef displaySize( (float) windowContext->GetWidth(), (float) windowContext->GetHeight() );
            m_guiRenderer = &CEGUI::OgreRenderer::create( *renderTarget );// displaySize );//, CEGUI::OpenGLRenderer::TTT_AUTO );
            m_guiRenderer->setDefaultRootRenderTarget( *renderTarget );
            m_guiSystem = &CEGUI::System::create( *m_guiRenderer, &m_vfsResourceProvider, &m_xmlParserAdapter, m_imageCodecAdapter );

            // setup default group for validation schemas
            CEGUI::XMLParser* parser = m_guiSystem->getXMLParser();
            if ( nullptr != parser && parser->isPropertyPresent( "SchemaDefaultResourceGroup" )  )
                parser->setProperty( "SchemaDefaultResourceGroup", m_schemasResourceGroup );

            // Load the fonts
            CEGUI::FontManager::getSingleton().createAll( m_defaultFont, CEGUI::Font::getDefaultResourceGroup() );
        
            // Load the scheme
            try
            {
                CEGUI::SchemeManager::getSingleton().createFromFile( "Generic.scheme" );
            }
            catch ( CEGUI::Exception& e )
            {
                CORE::CString info = e.getMessage() + " - at - " + e.getFileName() + ":" + e.getFunctionName() + ":" + CORE::UInt32ToString( e.getLine() ).STL_String();
                GUCEF_EXCEPTION_LOG( CORE::LOGLEVEL_IMPORTANT, "Unhandled exception during CEGUI initialization: " + info );
            }
            CEGUI::SchemeManager::getSingleton().createFromFile( m_schemeToUse );
        
            // Set the defaults
            CEGUI::System::getSingleton().getDefaultGUIContext().setDefaultFont( m_defaultFont );
            CEGUI::System::getSingleton().getDefaultGUIContext().getMouseCursor().setDefaultImage( m_defaultCursorImage );
            CEGUI::Window* rootWindow = CEGUI::WindowManager::getSingleton().createWindow( "DefaultWindow", "root" );
            CEGUI::System::getSingleton().getDefaultGUIContext().setRootWindow( rootWindow );
            
            // clearing this queue actually makes sure it's created(!)
            CEGUI::System::getSingleton().getDefaultGUIContext().clearGeometry( CEGUI::RQ_OVERLAY );                                             
        
            m_ceGuiInitialized = true;
        }
        catch ( CEGUI::Exception& e )
        {
            CORE::CString info = e.getMessage() + " - at - " + e.getFileName() + ":" + e.getFunctionName() + ":" + CORE::UInt32ToString( e.getLine() ).STL_String();
            GUCEF_EXCEPTION_LOG( CORE::LOGLEVEL_IMPORTANT, "Unhandled exception during CEGUI initialization: " + info );

            m_ceGuiInitialized = false;
        }
    }
    return m_ceGuiInitialized;
}