IntroState::IntroState(Engine* p_engine) :
        GameState(p_engine),
        m_totalMilliseconds(std::time_t(2000)),
        m_elapsedMilliseconds(0)
    {
        std::clog << "Entering intro state..." << std::endl;

        // do one input state capture just to hide the mouse cursor
        InputSystem* inputSystem = m_engine->getInputSystem();
        inputSystem->capture();

        // get the material by name
        std::clog << "Loading fade overlay material..." << std::endl;
        Ogre::ResourcePtr resptr = Ogre::MaterialManager::getSingleton().
            getByName("Materials/FadeOverlay");
        Ogre::Material* material = dynamic_cast<Ogre::Material*>(resptr.getPointer());
        Ogre::Technique* tech = material->getTechnique(0);
        Ogre::Pass* pass = tech->getPass(0);

        m_textureUnitState = pass->getTextureUnitState(0);

        // get the overlay
        std::clog << "Loading fade overlay..." << std::endl;
        m_fadeOverlay = Ogre::OverlayManager::getSingleton().getByName("Overlays/FadeOverlay");

        m_alpha = 1.0;
        m_fadeOverlay->show();
    }

void CaelumPlugin::loadCaelumSystemFromScript(CaelumSystem* sys, const Ogre::String& objectName, const Ogre::String& groupName)
{
  assert(sys);
  assert(this->isInstalled () && "Must install CaelumPlugin before loading scripts");

  // Fetch raw resource ptr. Attempt to support explicit resource groups currently in Ogre trunk.
#if OGRE_VERSION >= 0x00010700
  Ogre::ResourcePtr res = getPropScriptResourceManager()->getByName(objectName, groupName);
#else
  Ogre::ResourcePtr res = getPropScriptResourceManager ()->getByName (objectName);
#endif

  // Check a PropScriptResource was found.
  PropScriptResource* propRes = static_cast<PropScriptResource*>(res.get());
  if (!propRes) {
    OGRE_EXCEPT(Ogre::Exception::ERR_ITEM_NOT_FOUND, "Could not find caelum_sky_system " + objectName, "CaelumPlugin::loadCaelumSystemFromScript");
  }

  // Fetch the resource stream. Look in the actual group of the resource!
  const Ogre::String& scriptFileName = propRes->getOrigin();
  const Ogre::String& scriptFileGroup = propRes->getGroup();
  Ogre::DataStreamPtr streamPtr = Ogre::ResourceGroupManager::getSingleton().openResource(scriptFileName, scriptFileGroup, false);

  // Feed it into the compiler.
  this->getScriptTranslatorManager()->getCaelumSystemTranslator()->setTranslationTarget(sys, objectName);
  Ogre::ScriptCompilerManager::getSingleton().parseScript(streamPtr, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
  bool found = this->getScriptTranslatorManager()->getCaelumSystemTranslator()->foundTranslationTarget();

  // This shouldn't normally happen.
  if (!found) {
    OGRE_EXCEPT(Ogre::Exception::ERR_ITEM_NOT_FOUND, "Could not find caelum_sky_system " + objectName + " in file " + scriptFileName + " on reparsing. "
    "Perhaps information in PropScriptResourceManager is out of date?", "CaelumPlugin::loadCaelumSystemFromScript");
  }
  this->getScriptTranslatorManager()->getCaelumSystemTranslator()->clearTranslationTarget();
}

void GUIManager::runCommand(const std::string &command, const std::string &args)
{
	if (command == ToggleInputMode.getCommand()) {
		getInput().toggleInputMode();
	} else if (command == ToggleGui.getCommand()) {

		S_LOG_VERBOSE("Toggle Gui Initiated -- " << getInput().getInputMode());

		if (mEnabled) {
			S_LOG_INFO("Disabling GUI");
			mEnabled = false;

			getInput().removeAdapter(mCEGUIAdapter);

		} else {
			S_LOG_INFO("Enabling GUI");
			mEnabled = true;

			getInput().addAdapter(mCEGUIAdapter);
		}
	} else if (command == ReloadGui.getCommand()) {
		Ogre::TextureManager* texMgr = Ogre::TextureManager::getSingletonPtr();
		Ogre::ResourcePtr resource = texMgr->getByName("cegui/" + getDefaultScheme() + ".png");
		if (!resource.isNull()) {
			resource->reload();
		}
	}
}

void ManualBulletShapeLoader::load(const std::string &name,const std::string &group)
{
    // Check if the resource already exists
    Ogre::ResourcePtr ptr = BulletShapeManager::getSingleton().getByName(name, group);
    if (!ptr.isNull())
        return;
    BulletShapeManager::getSingleton().create(name,group,true,this);
}

Ogre::ResourcePtr EntityRecipeManager::create(const Ogre::String& name, const Ogre::String& group, bool isManual, Ogre::ManualResourceLoader* loader, const Ogre::NameValuePairList* createParams)
{
	Ogre::ResourcePtr ret = getByName(name);
	if (ret.isNull()) {
		return Ogre::ResourceManager::create(name, group, isManual, loader, createParams);
	}
	S_LOG_WARNING("EntityRecipe with name " << name << " already exists.");
	return Ogre::ResourcePtr();
}

void ResourceManager::ResourcesLoader::loadingComplete( Ogre::ResourcePtr pResource )
{
    mResources.erase( std::make_pair( pResource->getCreator()->getResourceType(), 
        pResource->getHandle() ) );
    if( !mResources.size() )
    {
        mCompletedSlot();
        delete this;
    }
}

 Ogre::ResourcePtr
 FLevelFileSerializer::createResource( FLevelFile *pDest, const String &extension )
 {
     assert( pDest );
     Ogre::ResourceManager &mgr( ResourceManagerType::getSingleton() );
     String name( getBaseName( pDest ) + extension );
     Ogre::ResourcePtr resource =  mgr.createResource( name, pDest->getGroup(), true );
     resource->_notifyOrigin( pDest->getName() );
     return resource;
 }

void ResourceManager::reloadResource(Ogre::ResourceManager* resMgr, const std::string& resourceName, const std::string& resourceGroup)
{
    Ogre::ResourcePtr rPtr = resMgr->load(resourceName, resourceGroup);
    if (rPtr.isNull()) LOG_META(FORMAT("The resource '%1%' no longer exists!", resourceName));

    rPtr->reload();
    if (rPtr->isLoaded())
        LOG_META(FORMAT("The resource '%1%' wasn`t unloaded!", resourceName));
    else
        LOG_META(FORMAT("The resource '%1%' was unloaded!", resourceName));
}

void UnloadResource(Ogre::ResourceManager* resMgr, const std::string& resourceName)
{
    Ogre::ResourcePtr rPtr = resMgr->getResourceByName(resourceName);
    if (rPtr.isNull())
    {
        StringUtil::StrStreamType msg;
        msg << "Resource no longer exists: " << resourceName;
        Ogre::LogManager::getSingleton().logMessage(msg.str());
        return;
    }
 
    rPtr->unload();
    if (rPtr->isLoaded())
    {
        StringUtil::StrStreamType msg;
        msg << "Resource was not unloaded: " << resourceName;
        Ogre::LogManager::getSingleton().logMessage(msg.str());
    }
    else
    {
        StringUtil::StrStreamType msg;
        msg << "Resource was unloaded: " << resourceName;
        Ogre::LogManager::getSingleton().logMessage(msg.str());
    }
 
    resMgr->remove(resourceName);
    rPtr = resMgr->getResourceByName(resourceName);
    if (rPtr.isNull())
    {
        StringUtil::StrStreamType msg;
        msg << "Resource was removed: " << resourceName;
        Ogre::LogManager::getSingleton().logMessage(msg.str());
    }
    else
    {
        StringUtil::StrStreamType msg;
        msg << "Resource was not removed: " << resourceName;
        Ogre::LogManager::getSingleton().logMessage(msg.str());
    }
 
    if (resMgr->resourceExists(resourceName))
    {
        StringUtil::StrStreamType msg;
        msg << "Resource still exists: " << resourceName;
        Ogre::LogManager::getSingleton().logMessage(msg.str());
    }
    else
    {
        StringUtil::StrStreamType msg;
        msg << "Resource no longer exists: " << resourceName;
        Ogre::LogManager::getSingleton().logMessage(msg.str());
    }
}

void ResourceManager::loadResources( const ResourceList& rResources, 
    const SimpleResourceCallback& rCallbackSlot )
{
    // Convert to set to remove duplicates.
    ResourceSet resources = ResourceInfo::toResourceSet( rResources );

    if( resources.empty() )
    {
        // If there are no resources to be loaded, call the slot and return immediately.
        rCallbackSlot();
        return;
    }

    ResourceManager::ResourcesLoader* resourceLoader = 
        ResourceManager::ResourcesLoader::create( rCallbackSlot );

    unsigned short loaded = 0;
    for( ResourceSet::const_iterator i = resources.begin(); i != resources.end(); ++i )
    {
        // Add resources to resource loader.
        Ogre::ResourcePtr resource = ResourceManager::getResource( *i, true );

        if( resource.isNull() )
        {
            DIVERSIA_EXCEPT( Exception::ERR_FILE_NOT_FOUND, "Cannot load resource " + 
                (*i).mFile.string() + ", file does not exist.", 
                "ResourceManager::loadResource" );
        }

        if( resource->isLoaded() )
            loaded++;
        else
            resourceLoader->addResource( resource );
    }

    // All resources are already loaded.
    if( loaded == resources.size() )
    {
        rCallbackSlot();
        delete resourceLoader;
        return;
    }

    for( ResourceSet::const_iterator j = resources.begin(); j != resources.end(); ++j )
    {
        // Load all resources and callback to the resource loader. If all resources are loaded
        // the rCallbackSlot will be called and the resource loader will be destroyed.
        ResourceManager::loadResource( *j, sigc::mem_fun( resourceLoader, 
            &ResourceManager::ResourcesLoader::loadingComplete ) );
    }
}

Ogre::ResourcePtr ModelDefinitionManager::create(const Ogre::String& name, const Ogre::String& group,
bool isManual, Ogre::ManualResourceLoader* loader,
const Ogre::NameValuePairList* createParams)
{
	Ogre::ResourcePtr ret = getByName(name);
	if (ret.isNull())
	{
		return Ogre::ResourceManager::create(name, group, isManual, loader, createParams);
	}
	//Report this. We count on this happening a lot (user media overriding shared media for example), so we will not consider it a failure.
	S_LOG_INFO("ModelDefinition with name " << name << " already exists.");
	return Ogre::ResourcePtr();

}

void LodManager::loadLod(Ogre::MeshPtr mesh)
{
    assert(mesh->getNumLodLevels() == 1);
    std::string lodDefName = convertMeshNameToLodName(mesh->getName());

    try {
        Ogre::ResourcePtr resource = LodDefinitionManager::getSingleton().load(lodDefName, "General");
        const LodDefinition& def = *static_cast<const LodDefinition*>(resource.get());
        loadLod(mesh, def);
    } catch (Ogre::FileNotFoundException ex) {
        // Exception is thrown if a mesh hasn't got a loddef.
        // By default, use the automatic mesh lod management system.
        loadAutomaticLod(mesh);
    }
}

    void run()
    {
        Meru::ResourceLoadingQueue *queue = &ResourceLoadingQueue::getSingleton();

        Ogre::ResourcePtr skeletonPtr = Ogre::SkeletonManager::getSingleton().getByName(mName);
        if (skeletonPtr.isNull() || !skeletonPtr->isLoaded()) {
            SILOG(resource,insane, "Skeleton Load Task run(), waiting for " << mName << " To queue");
            SILOG(resource,debug,"Queueing " << mName << " for OGRE load ");
            queue->load(Ogre::SkeletonManager::getSingleton().getResourceType(), mName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, false, NULL, NULL, this);
        }
        else {
            SILOG(resource,insane, "Skeleton Load Task run() AND complete, waited for " << mName << " To queue");
            signalCompletion();
        }
    }

//.........这里部分代码省略.........
            // It is a PBS; Note, that there is also a default (so always 1)
            Ogre::Hlms::HlmsDatablockMap::const_iterator itor = hlmsPbs->getDatablockMap().begin();
            Ogre::Hlms::HlmsDatablockMap::const_iterator end  = hlmsPbs->getDatablockMap().end();
            Ogre::HlmsPbsDatablock* newDatablock;
            Ogre::String newDatablockName;
            while( itor != end )
            {
                newDatablock = static_cast<Ogre::HlmsPbsDatablock*>(itor->second.datablock);
                if (newDatablock != hlmsPbs->getDefaultDatablock() && newDatablock != hlmsUnlit->getDefaultDatablock())
                {
                    // Get the first datablock
                    newDatablockName = *newDatablock->getFullName();
                    if (oldDatablockName != newDatablockName)
                    {
                        // Assign the datablock to the item (and destroy the items' old datablock, if still available)
                        item->setDatablock(newDatablock);
                        if (oldDatablock != hlmsPbs->getDefaultDatablock() && oldDatablock != hlmsUnlit->getDefaultDatablock())
                        {
                            if (oldDatablock->getCreator()->getType() == Ogre::HLMS_PBS)
                                hlmsPbs->destroyDatablock(oldDatablockId);
                            else if (hlmsUnlit && oldDatablock->getCreator()->getType() == Ogre::HLMS_UNLIT)
                                hlmsUnlit->destroyDatablock(oldDatablockId);
                        }

                        // Create the node structure
                        QString s = newDatablockName.c_str();
                        mNodeEditorDockWidget->createPbsNodeStructure(s);
                        mPropertiesDockWidget->setTextureTypePropertyVisible(true);
                        mPropertiesDockWidget->setMapWeightPropertyVisible(true);
                        break;
                    }
                }
                ++itor;
            }
            return;
        }
    }

    if (hlmsUnlit)
    {
        int size = hlmsUnlit->getDatablockMap().size();
        //QMessageBox::information(0, QString("info"), QVariant(size).toString());
        if (size > 1)
        {
            // It is an Unlit; Note, that there is also a default (so always 1)
            Ogre::Hlms::HlmsDatablockMap::const_iterator itor = hlmsUnlit->getDatablockMap().begin();
            Ogre::Hlms::HlmsDatablockMap::const_iterator end  = hlmsUnlit->getDatablockMap().end();
            Ogre::HlmsUnlitDatablock* newDatablock;
            Ogre::String newDatablockName;
            while( itor != end )
            {
                newDatablock = static_cast<Ogre::HlmsUnlitDatablock*>(itor->second.datablock);
                if (newDatablock != hlmsPbs->getDefaultDatablock() && newDatablock != hlmsUnlit->getDefaultDatablock())
                {
                    // Get the first datablock
                    newDatablockName = *newDatablock->getFullName();
                    if (oldDatablockName != newDatablockName)
                    {
                        // Assign the datablock to the item (and destroy the items' old datablock, if still available)
                        item->setDatablock(newDatablock);
                        if (oldDatablock != hlmsPbs->getDefaultDatablock() && oldDatablock != hlmsUnlit->getDefaultDatablock())
                        {
                            if (oldDatablock->getCreator()->getType() == Ogre::HLMS_UNLIT)
                                hlmsUnlit->destroyDatablock(oldDatablockId);
                            else if (hlmsPbs && oldDatablock->getCreator()->getType() == Ogre::HLMS_PBS)
                                hlmsPbs->destroyDatablock(oldDatablockId);
                        }

                        // Create the node structure
                        QString s = newDatablockName.c_str();
                        mNodeEditorDockWidget->createUnlitNodeStructure(s);
                        mPropertiesDockWidget->setTextureTypePropertyVisible(false);
                        mPropertiesDockWidget->setMapWeightPropertyVisible(false);
                        break;
                    }
                }
                ++itor;
            }
            return;
        }
    }
}

//****************************************************************************/
void MainWindow::getListOfResources(void)
{
    Ogre::ResourceGroupManager::ResourceManagerIterator it =
        Ogre::ResourceGroupManager::getSingletonPtr()->getResourceManagerIterator();
    while (it.hasMoreElements())
    {
        Ogre::ResourceManager* man = it.getNext();
        Ogre::LogManager::getSingleton().logMessage("Resource Type = " + man->getResourceType());
        Ogre::ResourceManager::ResourceMapIterator mapit = man->getResourceIterator() ;
        while (mapit.hasMoreElements())
        {
            Ogre::ResourcePtr ptr = mapit.getNext();
            Ogre::LogManager::getSingleton().logMessage("Resource Name = " + ptr->getName());
        }
    }
}

/*
bool MeshUnloadTask::mainThreadUnload(String name)
{
  Ogre::MeshManager::getSingleton().unload(name);
//  operationCompleted(Ogre::BackgroundProcessTicket(), Ogre::BackgroundProcessResult());
  return false;
}
*/
void MeshUnloadTask::doRun()
{
  /*I REALLY wish this were true*/
  // SequentialWorkQueue::getSingleton().queueWork(std::tr1::bind(&MeshUnloadTask::mainThreadUnload, this, mHash));

  String hash = mHash; //CDNArchive::canonicalMhashName(mHash);
  Ogre::MeshManager* meshManager = Ogre::MeshManager::getSingletonPtr();
  meshManager->remove(hash);

  Ogre::ResourcePtr meshResource = meshManager->getByName(hash);
  assert(meshResource.isNull());

  SharedResourcePtr resource = mResource.lock();
  if (resource)
    resource->unloaded(true, mEpoch);
}

Ogre::ResourcePtr
loadCorrelativeResource(const Ogre::String& resourceName, const Ogre::String& groupName,
                        const Ogre::String& baseResourceName, const Ogre::String& baseGroupName,
                        Ogre::ResourceManager& resourceManager)
{
    Ogre::ResourcePtr res;

   Ogre::String name, path;
    Ogre::StringUtil::splitFilename(resourceName, name, path);
    bool existsPath = !path.empty();

    // First, load in correlatived group and path if resource name doesn't exists path
    if (!existsPath)
    {
        Ogre::StringUtil::splitFilename(baseResourceName, name, path);
        if (!path.empty())
        {
            name = path + resourceName;
            res = tryLoadResource(resourceManager, name, baseGroupName);
            if (!res.isNull())
                return res;
        }
    }

    // Second, load in correlatived group
    res = tryLoadResource(resourceManager, resourceName, baseGroupName);
    if (!res.isNull())
        return res;

    // Three, load in user given group
    if (!groupName.empty())
    {
        res = tryLoadResource(resourceManager, resourceName, groupName);
        if (!res.isNull())
            return res;
    }

    // Four, load in global default group
    if (groupName != DEFAULT_RESOURCE_GROUP_NAME)
    {
        res = tryLoadResource(resourceManager, resourceName, groupName);
        if (!res.isNull())
            return res;
    }

    return res;
}

void TexturePreviewEditor::OpenOgreTexture(const QString& name)
{
    if (name.contains(".dds"))
    {
        LogWarning("currently cannot show .dds files. ");
        // Set black background image that will be replaced once the real image has been received.
        QImage emptyImage = QImage(QSize(256, 256), QImage::Format_ARGB32);
        emptyImage.fill(qRgba(0,0,0,0));
        if ( imageLabel_ != 0)
            imageLabel_->setPixmap(QPixmap::fromImage(emptyImage));

        return;
    }

    Ogre::ResourcePtr res = Ogre::TextureManager::getSingleton().getByName(name.toStdString().c_str());
    Ogre::Texture* tex = static_cast<Ogre::Texture* >(res.get());
    if (!tex)
    {
        LogWarning("Failed to open Ogre texture " + name.toStdString() + " .");
        return;
    }

    int width = tex->getWidth();
    int height = tex->getHeight();
    Ogre::Box bounds(0, 0, width, height);
    Ogre::uchar* pixelData = new Ogre::uchar[width * height * 4];
    Ogre::PixelBox pixels(bounds, Ogre::PF_A8R8G8B8, pixelData);
    tex->getBuffer()->blitToMemory(pixels);
    
    // Create image of texture, and show it into label.

    u8* p = static_cast<u8 *>(pixels.data);
    int widthPixels = pixels.getWidth();
    int heightPixels= pixels.getHeight();
    
    QImage img = ConvertToQImage(p, widthPixels, heightPixels, 4);

    if(!img.isNull() && imageLabel_ != 0)
    {
        imageLabel_->setPixmap(QPixmap::fromImage(img));
        imageLabel_->show();
    }

    delete[] pixelData;
}

void ResourceManager::unloadResource(Ogre::ResourceManager* resMgr, const std::string& resourceName)
{
    Ogre::ResourcePtr rPtr = resMgr->getByName(resourceName);
    if (rPtr.isNull()) return

    rPtr->unload();
    if (rPtr->isLoaded())
        LOG_META(FORMAT("The resource '%1%' wasn`t unloaded!", resourceName));
    else
        LOG_META(FORMAT("The resource '%1%' was unloaded!", resourceName));

    resMgr->remove(resourceName);
    rPtr = resMgr->getByName(resourceName);
    if (!rPtr.isNull())
        LOG_META(FORMAT("The resource '%1%' wasn`t removed!", resourceName));
    else
        LOG_META(FORMAT("The resource '%1%' was removed!", resourceName));
}

Ogre::ResourcePtr ResourceManager::getResource( const ResourceInfo& rResource, 
    bool create /*= false*/ ) const
{
    Ogre::ResourcePtr resource = mRGM._getResourceManager( 
        ResourceManager::getResourceManagerName( rResource.mType ) )->getByName( 
        rResource.mFile.string(), mGroup );
    if( !create ) return resource;

    if( resource.isNull() )
    {
        if( !mRGM.findResourceNames( mGroup, rResource.mFile.string() )->size() )
            return resource;

        resource = mRGM._getResourceManager( ResourceManager::getResourceManagerName( 
            rResource.mType ) )->create( rResource.mFile.string(), mGroup );
    }

    return resource;
}

SoundTrackPtr::SoundTrackPtr(const Ogre::ResourcePtr &resourcePtr)
{
	Log *errorLog = OGF::LogFactory::getSingletonPtr()->get(OGF::LOG_ERR);

	if (resourcePtr.isNull()) {
		return;
	}

	OGRE_LOCK_MUTEX(*resourcePtr.OGRE_AUTO_MUTEX_NAME)
	OGRE_COPY_AUTO_SHARED_MUTEX(resourcePtr.OGRE_AUTO_MUTEX_NAME)

	pRep = static_cast<SoundTrack *>(resourcePtr.getPointer());
	pUseCount = resourcePtr.useCountPointer();
	useFreeMethod = resourcePtr.freeMethod();

	// Incremento del contador de referencias.
	if (pUseCount)
		++(*pUseCount);
}