C++ ResourcePtr::isNull方法代码示例

Ogre::ResourcePtr ResourceManager::loadResource( const ResourceInfo& rResource, 
    const ResourceCallback& rCallbackSlot )
{
    Ogre::ResourcePtr resource = ResourceManager::getResource( rResource, true );

    if( !resource.isNull() && resource->isLoaded() )
    {
        CLOGD << "Resource " << rResource << " already loaded.";

        // If the resource is already loaded, callback immediately.
        rCallbackSlot( resource );
    }
    else if( !resource.isNull() && mHandleTickets.count( std::make_pair( 
        resource->getCreator()->getResourceType(), resource->getHandle() ) ) )
    {
        // If the resource is loading, add a callback.
        HandleTickets::iterator i = mHandleTickets.find(  std::make_pair( 
            resource->getCreator()->getResourceType(), resource->getHandle() ) );

        if( i != mHandleTickets.end() )
        {
            mTicketCallbacks.insert( TicketCallbacks::value_type( i->second, rCallbackSlot ) );

            CLOGD << "Resource " << rResource << " is loading, ticket callback: " << i->second;
        }
        else
        {
            DIVERSIA_EXCEPT( Exception::ERR_INTERNAL_ERROR, 
                "Could not find ticket for resource that is loading in the background.", 
	            "ResourceManager::loadResource" );
        }
    }
    else if( !resource.isNull() )
    {
        // Load the resource in the background and register the callback.
        resource = ResourceManager::getResource( rResource, true );
        Ogre::BackgroundProcessTicket ticket = 
            mRBQ.load( ResourceManager::getResourceManagerName( rResource.mType ), 
            rResource.mFile.string(), mGroup, false, 0, 0, this );
        mTicketCallbacks.insert( TicketCallbacks::value_type( ticket, rCallbackSlot ) );
        mHandleTickets.insert( std::make_pair( std::make_pair( 
            resource->getCreator()->getResourceType(), resource->getHandle() ), ticket ) );
        mTicketResources.insert( std::make_pair( ticket, resource ) );

        CLOGD << "Resource " << rResource << " will be loaded, ticket: " << ticket;
    }
    else
    {
        DIVERSIA_EXCEPT( Exception::ERR_FILE_NOT_FOUND, "Cannot load resource " + 
            rResource.mFile.string() + ", file does not exist.", 
	        "ResourceManager::loadResource" );
    }

    return resource;
}

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 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();
		}
	}
}

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 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);
}

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 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::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 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 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();
        }
    }

/*
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 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;
}

    Ogre::MaterialPtr
    IntersectGrid::_createIntersectGridMaterial(void)
    {
        String name = "IntersectGridMaterial";

        Ogre::ResourcePtr res = Ogre::MaterialManager::getSingleton().getByName(name);
        if (!res.isNull())
            return res;

        Ogre::MaterialPtr material = Ogre::MaterialManager::getSingleton().create(name, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
       
        material->setLightingEnabled(false);
        material->setSceneBlending(Ogre::SBF_SOURCE_ALPHA, Ogre::SBF_ONE_MINUS_SOURCE_ALPHA);
        material->setDepthWriteEnabled(false);
        // Use wireframe polygon mode
        material->getTechnique(0)->getPass(0)->setPolygonMode(Ogre::PM_WIREFRAME);

        return material;
    }

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);
}