C++ RakString::IsEmpty方法代码示例

const RakNet::RakString operator+(const RakNet::RakString &lhs, const RakNet::RakString &rhs)
{
	if (lhs.IsEmpty() && rhs.IsEmpty())
		return RakString(&RakString::emptyString);
	if (lhs.IsEmpty())
	{
		rhs.sharedString->refCount++;
		return RakString(rhs.sharedString);
	}
	if (rhs.IsEmpty())
	{
		lhs.sharedString->refCount++;
		return RakString(lhs.sharedString);
	}

	size_t len1 = lhs.GetLength();
	size_t len2 = rhs.GetLength();
	size_t allocatedBytes = len1 + len2 + 1;
	allocatedBytes = RakString::GetSizeToAllocate(allocatedBytes);
	RakString::SharedString *sharedString;

	RakString::LockMutex();
	// sharedString = RakString::pool.Allocate();
	if (RakString::freeList.Size()==0)
	{
		//RakString::sharedStringFreeList=(RakString::SharedString*) rakRealloc_Ex(RakString::sharedStringFreeList,(RakString::sharedStringFreeListAllocationCount+1024)*sizeof(RakString::SharedString), __FILE__, __LINE__);
		unsigned i;
		for (i=0; i < 1024; i++)
		{
		//	RakString::freeList.Insert(RakString::sharedStringFreeList+i+RakString::sharedStringFreeListAllocationCount);
			RakString::freeList.Insert((RakString::SharedString*)rakMalloc_Ex(sizeof(RakString::SharedString), __FILE__, __LINE__), __FILE__, __LINE__);

		}
		//RakString::sharedStringFreeListAllocationCount+=1024;
	}
	sharedString = RakString::freeList[RakString::freeList.Size()-1];
	RakString::freeList.RemoveAtIndex(RakString::freeList.Size()-1);
	RakString::UnlockMutex();

	const int smallStringSize = 128-sizeof(unsigned int)-sizeof(size_t)-sizeof(char*)*2;
	sharedString->bytesUsed=allocatedBytes;
	sharedString->refCount=1;
	if (allocatedBytes <= (size_t) smallStringSize)
	{
		sharedString->c_str=sharedString->smallString;
	}
	else
	{
		sharedString->bigString=(char*)rakMalloc_Ex(sharedString->bytesUsed, __FILE__, __LINE__);
		sharedString->c_str=sharedString->bigString;
	}

	strcpy(sharedString->c_str, lhs);
	strcat(sharedString->c_str, rhs);

	return RakString(sharedString);
}

void Rackspace::UpdateServerNameOrPassword(RakNet::RakString serverId, RakNet::RakString newName, RakNet::RakString newPassword)
{
	if (newName.IsEmpty() && newPassword.IsEmpty())
		return;
	RakNet::RakString xml(
		"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
		"<server xmlns=\"http://docs.rackspacecloud.com/servers/api/v1.0\""
		);
	if (newName.IsEmpty()==false)
		xml += RakNet::RakString(" name=\"%s\"", newName.C_String());
	if (newPassword.IsEmpty()==false)
		xml += RakNet::RakString(" adminPass=\"%s\"", newPassword.C_String());
	xml += " />";
	AddOperation(RO_UPDATE_SERVER_NAME_OR_PASSWORD, "PUT", RakNet::RakString("servers/%s", serverId.C_String()), xml);
}

bool TwoWayAuthentication::AddPassword(RakNet::RakString identifier, RakNet::RakString password)
{
	if (password.IsEmpty())
		return false;

	if (identifier.IsEmpty())
		return false;

	if (password==identifier)
		return false; // Insecure

	if (passwords.GetIndexOf(identifier.C_String()).IsInvalid()==false)
		return false; // This identifier already in use

	passwords.Push(identifier, password,_FILE_AND_LINE_);
	return true;
}

void Rackspace::CreateSharedIPGroup(RakNet::RakString name, RakNet::RakString optionalServerId)
{
	RakNet::RakString xml(
		"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
		"<sharedIpGroup xmlns=\"http://docs.rackspacecloud.com/servers/api/v1.0\" name=\"%s\">", name.C_String());
		if (optionalServerId.IsEmpty()==false)
			xml+=RakNet::RakString("<server id=\"%s\"/>", optionalServerId.C_String());
		xml+="</sharedIpGroup>";

	AddOperation(RO_CREATE_SHARED_IP_GROUP, "POST", "shared_ip_groups", xml);
}

void TwoWayAuthentication::PushToUser(MessageID messageId, RakNet::RakString password, RakNet::AddressOrGUID remoteSystem)
{
	RakNet::BitStream output;
	output.Write(messageId);
	if (password.IsEmpty()==false)
		output.Write(password);
	Packet *p = AllocatePacketUnified(output.GetNumberOfBytesUsed());
	p->systemAddress=remoteSystem.systemAddress;
	p->systemAddress.systemIndex=(SystemIndex)-1;
	p->guid=remoteSystem.rakNetGuid;
	p->wasGeneratedLocally=true;
	memcpy(p->data, output.GetData(), output.GetNumberOfBytesUsed());
	rakPeerInterface->PushBackPacket(p, true);
}

void PostgreSQLInterface::EncodeQueryUpdate(const char *colName, float value, RakNet::RakString &valueStr, int &numParams, char **paramData, int *paramLength, int *paramFormat)
{
	(void)numParams;
	(void)paramData;
	(void)paramLength;
	(void)paramFormat;

	if (valueStr.IsEmpty()==false)
	{
		valueStr += ", ";
	}
	valueStr += colName;
	valueStr += " = ";
	valueStr += FormatString("%f", value);
}

void PostgreSQLInterface::EncodeQueryInput(const char *colName, int value, RakNet::RakString &paramTypeStr, RakNet::RakString &valueStr, int &numParams, char **paramData, int *paramLength, int *paramFormat)
{
	(void)numParams;
	(void)paramData;
	(void)paramLength;
	(void)paramFormat;

	if (paramTypeStr.IsEmpty()==false)
	{
		paramTypeStr += ", ";
		valueStr += ", ";
	}
	paramTypeStr += colName;
	valueStr += FormatString("%i", value);
}

void PHPDirectoryServer2::SetField( RakNet::RakString columnName, RakNet::RakString value )
{
	if (columnName.IsEmpty())
		return;

	if (columnName==GAME_NAME_COMMAND ||
		columnName==GAME_PORT_COMMAND ||
		columnName==LAST_UPDATE_COMMAND)
	{
		RakAssert("PHPDirectoryServer2::SetField attempted to set reserved column name" && 0);
		return;
	}

    fields.Set(columnName, value);
}

void Lobby2Server::OnChangeHandle(Lobby2ServerCommand *command, bool calledFromThread)
{
	if (calledFromThread)
	{
		ThreadAction ta;
		ta.action=L2MID_Client_ChangeHandle;
		ta.command=*command;
		threadActionQueueMutex.Lock();
		threadActionQueue.Push(ta, __FILE__, __LINE__ );
		threadActionQueueMutex.Unlock();
		return;
	}

	unsigned int i;
	RakNet::RakString oldHandle;
	for (i=0; i < users.Size(); i++)
	{
		if (users[i]->callerUserId==command->callerUserId)
		{
			oldHandle=users[i]->userName;
			users[i]->userName=command->callingUserName;
			break;
		}
	}

	if (oldHandle.IsEmpty())
		return;

#if defined(__INTEGRATE_LOBBY2_WITH_ROOMS_PLUGIN)
	// Tell the rooms plugin about the handle change
	if (roomsPlugin)
	{
		roomsPlugin->ChangeHandle(oldHandle, command->callingUserName);
	}
	else if (roomsPluginAddress!=UNASSIGNED_SYSTEM_ADDRESS)
	{
		RakNet::BitStream bs;
		RoomsPlugin::SerializeChangeHandle(oldHandle,command->callingUserName,&bs);
		SendUnified(&bs,packetPriority, RELIABLE_ORDERED, orderingChannel, roomsPluginAddress, false);
	}
#endif
}

bool SQLite3ServerPlugin::AddDBHandle(RakNet::RakString dbIdentifier, sqlite3 *dbHandle, bool dbAutoCreated)
{
	if (dbIdentifier.IsEmpty())
		return false;
	DataStructures::DefaultIndexType idx = dbHandles.GetInsertionIndex(dbIdentifier);
	if (idx==(DataStructures::DefaultIndexType)-1)
		return false;
	NamedDBHandle ndbh;
	ndbh.dbHandle=dbHandle;
	ndbh.dbIdentifier=dbIdentifier;
	ndbh.dbAutoCreated=dbAutoCreated;
	ndbh.whenCreated=RakNet::GetTimeMS();
	dbHandles.InsertAtIndex(ndbh,idx,__FILE__,__LINE__);
	
#ifdef SQLite3_STATEMENT_EXECUTE_THREADED
	if (sqlThreadPool.WasStarted()==false)
		sqlThreadPool.StartThreads(1,0);
#endif

	return true;
}

void InitialData( RakNet::BitStream * pBitStream, RakNet::Packet * pPacket )
{
	// Read the player id
	EntityId playerId;
	pBitStream->ReadCompressed( playerId );

	// Read the player colour
	unsigned int uiColour;
	pBitStream->Read( uiColour );

	// Read the server name string
	RakNet::RakString strServerName;
	pBitStream->Read( strServerName );

	// Read the max player count
	int iMaxPlayers;
	pBitStream->Read( iMaxPlayers );

	// Read the http server address
	RakNet::RakString strHttpServer;
	pBitStream->Read( strHttpServer );

	// Read the http server port
	int iPort;
	pBitStream->Read( iPort );

	// Set the season
	pCore->SetSummer ( pBitStream->ReadBit() );

	CLogFile::Printf ( "Season: %s", (pCore->IsSummer () ? "Summer" : "Winter") );

	// Read the weather
	RakNet::RakString strWeather;
	pBitStream->Read ( strWeather );

	// Set the localplayer id
	pCore->GetPlayerManager()->GetLocalPlayer()->SetId( playerId );

	// Set the localplayer colour
	pCore->GetPlayerManager()->GetLocalPlayer()->SetColour( uiColour );

	// Set the server name string
	pCore->SetServerName( String( strServerName ) );

	// Set the server max player count
	pCore->SetServerMaxPlayers( iMaxPlayers );

	// Set the file transfer information
	pCore->GetFileTransferManager()->SetServerInformation( strHttpServer.IsEmpty() ? pCore->GetHost() : strHttpServer.C_String(), iPort );

	//
	pCore->GetChat()->AddInfoMessage( "Successfully connected to %s.", strServerName.C_String() );

	// Get the server folder string
	String strServerFolder = SharedUtility::GetAbsolutePath( SharedUtility::GetClientScriptFolder( pCore->GetHost(), pCore->GetPort() ) );

	// Does the folder not exist?
	if( !SharedUtility::Exists( strServerFolder.Get() ) )
	{
		// Create the folder
		SharedUtility::CreateDirectory( strServerFolder.Get() );
	}

	// Set the weather
	pCore->GetGame()->ChangeWeather ( strWeather.C_String (), 1000 );
}

//.........这里部分代码省略.........
	if (device->getFileSystem()->existFile("map-20kdm2.pk3"))
		device->getFileSystem()->addFileArchive("map-20kdm2.pk3", true, true, io::EFAT_ZIP);
	else
		device->getFileSystem()->addFileArchive(IRRLICHT_MEDIA_PATH "map-20kdm2.pk3", true, true, io::EFAT_ZIP);

	video::IVideoDriver* driver = device->getVideoDriver();
	scene::ISceneManager* smgr = device->getSceneManager();
	gui::IGUIEnvironment* guienv = device->getGUIEnvironment();

	device->setWindowCaption(L"Irrlicht Engine Demo");

	// set ambient light
	smgr->setAmbientLight ( video::SColorf ( 0x00c0c0c0 ) );


//	wchar_t tmp[255];

	// RakNet startup
	char dest[1024];
	memset(dest,0,sizeof(dest));
	wcstombs(dest, playerName.c_str(), playerName.size());
	InstantiateRakNetClasses();

	// Hook RakNet stuff into this class
	playerReplica->playerName=RakNet::RakString(dest);
	playerReplica->demo=this;
	replicaManager3->demo=this;

	CalculateSyndeyBoundingBox();

	// draw everything

	s32 now = 0;
	sceneStartTime = device->getTimer()->getTime();
	while(device->run() && driver)
	{
		// RakNet: Render even if not active, multiplayer never stops
		//if (device->isWindowActive())
		{
#ifdef USE_IRRKLANG
			// update 3D position for sound engine
			scene::ICameraSceneNode* cam = smgr->getActiveCamera();
			if (cam && irrKlang)
				irrKlang->setListenerPosition(cam->getAbsolutePosition(), cam->getTarget());
#endif

			// load next scene if necessary
			now = device->getTimer()->getTime();
			if (now - sceneStartTime > timeForThisScene && timeForThisScene!=-1)
				switchToNextScene();

			createParticleImpacts();

			driver->beginScene(timeForThisScene != -1, true, backColor);

			smgr->drawAll();
			guienv->drawAll();

			driver->endScene();

			/*
			// write statistics
			static s32 lastfps = 0;
			s32 nowfps = driver->getFPS();

			swprintf(tmp, 255, L"%ls fps:%3d triangles:%0.3f mio",
				driver->getName(),
				driver->getFPS(),
				(f32) driver->getPrimitiveCountDrawn( 1 ) * ( 1.f / 1000000.f )
				);
			if ( nowfps != lastfps )
			{
				device->setWindowCaption ( tmp );
				lastfps = nowfps;
			}
*/
			RakNet::RakString curMsg = GetCurrentMessage();
			if (curMsg.IsEmpty()==false)
			{
				wchar_t dest[1024];
				memset(dest,0,sizeof(dest));
				mbstowcs(dest, curMsg.C_String(), curMsg.GetLength());
				statusText->setText(dest);
			}
			else
			{
		//		statusText->setText(tmp);
				statusText->setText(0);
			}
		}

		// RakNet per tick update
		UpdateRakNet();
	}

	// RakNet shutdown
	DeinitializeRakNetClasses();

	device->drop();
}