void SendPrivateChat(int target_uid, Ogre::UTFString chatline, Ogre::UTFString target_username)
{
#ifdef USE_SOCKETW
	char buffer[MAX_MESSAGE_LENGTH] = {0};
	
	const char *chat_msg = (const char *)chatline.asUTF8_c_str();

	// format: int of UID, then chat message
	memcpy(buffer, &target_uid, sizeof(int));
	strncpy(buffer + sizeof(int), chat_msg, MAX_MESSAGE_LENGTH - sizeof(int));

	size_t len = sizeof(int) + chatline.size() * sizeof(wchar_t);
	buffer[len] = 0;

	RoR::Networking::AddPacket(m_stream_id, MSG2_UTF_PRIVCHAT, (unsigned int)len, buffer);

	if (target_username.empty())
	{
		user_info_t user;
		if (RoR::Networking::GetUserInfo(target_uid, user))
		{
			target_username = GetColouredName(user.username, user.colournum);
		}
	}

	// add local visual
	Ogre::UTFString local_username = GetColouredName(RoR::Networking::GetUsername(), RoR::Networking::GetUserColor());
	Ogre::UTFString nmsg = local_username + RoR::Color::WhisperColour + _L(" [whispered to ") + RoR::Color::NormalColour + target_username + RoR::Color::WhisperColour + "]" + RoR::Color::NormalColour + ": " + chatline;
#ifdef USE_MYGUI
	RoR::Application::GetGuiManager()->pushMessageChatBox(nmsg);
#endif // USE_MYGUI
#endif // USE_SOCKETW
}

void ChatSystem::sendPrivateChat(int target_uid, Ogre::UTFString chatline, Ogre::UTFString username)
{
#ifdef USE_SOCKETW
	char buffer[MAX_MESSAGE_LENGTH] = "";
	
	const char *chat_msg = (const char *)chatline.asUTF8_c_str();

	// format: int of UID, then chat message
	memcpy(buffer, &target_uid, sizeof(int));
	strncpy(buffer + sizeof(int), chat_msg, MAX_MESSAGE_LENGTH - sizeof(int));

	size_t len = sizeof(int) + chatline.size() * sizeof(wchar_t);
	buffer[len] = 0;

	this->addPacket(MSG2_UTF_PRIVCHAT, (unsigned int)len, buffer);

	if(username.empty())
	{
		client_t *c = net->getClientInfo(target_uid);
		if(c) username = getColouredName(*c);
	}

	// add local visual
#ifdef USE_MYGUI
	UTFString nmsg = net->getNickname(true) + normalColour + whisperColour + _L(" [whispered to ") + normalColour + username + whisperColour + "]" + normalColour + ": " + chatline;
	Console::getInstance().putMessage(Console::CONSOLE_MSGTYPE_NETWORK, Console::CONSOLE_LOCAL_CHAT, nmsg, "script_key.png");
#endif // USE_MYGUI
#endif // USE_SOCKETW
}

void trimUTFString( Ogre::UTFString &str, bool left, bool right)
{
	static const String delims = " \t\r";
	if(right)
		str.erase(str.find_last_not_of(delims)+1); // trim right
	if(left)
		str.erase(0, str.find_first_not_of(delims)); // trim left
}

bool GameRootLinux::isLocked()
{
    Ogre::UTFString homeDir = this->getHomeDirectory();

    // check if the folder exists otherwise create it
    if (opendir(homeDir.asUTF8_c_str()) == nullptr)
    {
        if (mkdir(homeDir.asUTF8_c_str(), S_IRWXU|S_IRGRP|S_IXGRP) != 0)
        {
            OGRE_EXCEPT(Ogre::Exception::ERR_INVALID_STATE, "Can not create folder in home directory", "GameRootLinux::isLocked");
        }
    }

    homeDir = homeDir+Ogre::UTFString("/pid");

    std::fstream runfile;
    char* buf;
    int len, pid;
    runfile.open(homeDir.asUTF8_c_str(), std::fstream::in | std::fstream::out | std::fstream::app);

    // No file, game not running
    if (!runfile.is_open())
        return false;

    runfile.seekg (0, std::ios::end);
    len = runfile.tellg();
    runfile.seekg (0, std::ios::beg);

    if (len > 20)
    {
        // should only store a number         
        runfile.close();
        return true;
    }
    buf = OGRE_NEW char[len];
    runfile.read(buf,len);
    runfile.close();

    pid = atoi(buf);

    OGRE_DELETE buf;
    buf = 0;

    if (pid < 1)
        return false;

    Ogre::String proc = "/proc/"+Ogre::StringConverter::toString(pid)+"/status";
    runfile.open(proc.c_str(), std::fstream::in);

    // No file, game not running
    if (!runfile.is_open())
        return false;

    runfile.close();
    return true;
}

Ogre::UTFString GameRootLinux::getHomeDirectory()
{
    Ogre::UTFString homeDir;
    homeDir = Ogre::UTFString(getenv("HOME"));
    if (homeDir.empty())
    {
        struct passwd *pw = getpwuid(getuid());
        homeDir = Ogre::UTFString(pw->pw_dir);
    }
    return homeDir + Ogre::UTFString("/.hardwar");
}

	void TextIterator::clearNewLine(Ogre::UTFString & _text)
	{
		for (Ogre::UTFString::iterator iter=_text.begin(); iter!=_text.end(); ++iter) {
			if ( ((*iter) == Font::FONT_CODE_NEL) ||
				((*iter) == Font::FONT_CODE_CR) ||
				((*iter) == Font::FONT_CODE_LF) )
			{
				(*iter) = Font::FONT_CODE_SPACE;
			}
		}
	}

/*
 * @brief Converts a string into a Ogre UTF string. This is necessary if you need to handle non ascii characters (like accents: ó á and such).
 * @note Source: http://www.ogre3d.org/forums/viewtopic.php?t=32814&highlight=utfstring
 * @param str String to convert
 * @return the converted to UTF string
 */
Ogre::UTFString toUTF( const std::string& str)
{
   Ogre::UTFString UTFString;
   int i;
   Ogre::UTFString::code_point cp;
   for (i=0; i<(int)str.size(); ++i)
   {
      cp = str[i];
      cp &= 0xFF;
      UTFString.append(1, cp);
   }
	return UTFString;
}

void GameRootLinux::setLocked(const bool& locked)
{
    Ogre::UTFString homeDir = this->getHomeDirectory() + Ogre::UTFString("/pid");
    std::fstream runfile;
    std::string buf;

    remove(homeDir.asUTF8_c_str());
    if (locked)
    {
        buf = Ogre::String(Ogre::StringConverter::toString(getpid()));
        runfile.open(homeDir.asUTF8_c_str(), std::fstream::in | std::fstream::out | std::fstream::app);
        runfile.write(buf.c_str(),buf.size());
        runfile.close();
    }
}

	bool TextIterator::setTagColour(Ogre::UTFString _colour)
	{
		if (mCurrent == mEnd) return false;
		// очищаем все цвета
		clearTagColour();
		// на всякий
		if (mCurrent == mEnd) return false;

		// проверяем на цвет хоть чуть чуть
		if ( (_colour.size() != 7) || (_colour.find(L'#', 1) != _colour.npos) ) return false;

		// непосредственная вставка
		insert(mCurrent, _colour);

		return true;
	}

bool EditorFrameHandler::SelectObject(Ogre::UTFString name)
{
	MyGUI::Gui *gui = GUISystem::GetInstance()->GetGui();
	if (ObjectDescription)
	{
		//ObjectDescription->Hide();
		//gui->destroyWidget(ObjectDescription.get());
		ObjectDescription->Destroy();		
	}
	if (SelectedObjectName == name || name.empty())
	{
		delete ObjectDescription;
		ObjectDescription = NULL;
		return false;
	}

	std::map<Ogre::UTFString, SEditableDescription>::iterator iRes = EditorNodes.find(name);
	assert(EditorNodes.end()!=iRes);
	if (EditorNodes.end()!=iRes)
	{
		SelectedObjectName = name;
		SelectedObject = &iRes->second;
		ObjectDescription = new ObjectDescriptionLayout("EditorObjectOptions.layout");
		ObjectDescription->Load();
		ObjectDescription->Parse(SelectedObject->EditElement);
		ObjectDescription->Show();
	}
	return true;
}

void SendChat(Ogre::UTFString chatline)
{
#ifdef USE_SOCKETW
	const char *utf8_line = chatline.asUTF8_c_str();
	RoR::Networking::AddPacket(m_stream_id, MSG2_UTF_CHAT, (unsigned int)strlen(utf8_line), (char *)utf8_line);
#endif // USE_SOCKETW
}

	void TextIterator::insert(Ogre::UTFString::iterator & _start, Ogre::UTFString & _insert)
	{
		// сбрасываем размер
		mSize = ITEM_NONE;
		// записываем в историю
		if (mHistory) mHistory->push_back(TextCommandInfo(_insert, _start-mText.begin(), TextCommandInfo::COMMAND_INSERT));
		// запоминаем позицию итератора
		size_t pos = _start - mText.begin();
		size_t pos_save = (mSave==mEnd) ? ITEM_NONE : _start - mText.begin();
		// непосредственно вставляем
		mText.insert(_start, _insert.begin(), _insert.end());
		// возвращаем итераторы
		_start = mText.begin() + pos;
		mEnd = mText.end();
		(pos_save==ITEM_NONE) ? mSave = mEnd : mSave = mText.begin() + pos_save;
	}

// Helper function
void Character::ReportError(const char* detail)
{
#ifdef USE_SOCKETW
    Ogre::UTFString username;
    RoRnet::UserInfo info;
    if (!RoR::Networking::GetUserInfo(m_source_id, info))
        username = "~~ERROR getting username~~";
    else
        username = info.username;

    char msg_buf[300];
    snprintf(msg_buf, 300,
        "[RoR|Networking] ERROR on m_is_remote character (User: '%s', SourceID: %d, StreamID: %d): ",
        username.asUTF8_c_str(), m_source_id, m_stream_id);

    LOGSTREAM << msg_buf << detail;
#endif
}

Ogre::UTFString GetColouredName(Ogre::UTFString nick, int colour_number)
{
	Ogre::ColourValue col_val = PlayerColours::getSingleton().getColour(colour_number);
	char tmp[255] = {0};
	sprintf(tmp, "#%02X%02X%02X", (unsigned int)(col_val.r * 255.0f), (unsigned int)(col_val.g * 255.0f), (unsigned int)(col_val.b * 255.0f));

	// replace # with X in nickname so the user cannot fake the colour
	for (unsigned int i=0; i<nick.size(); i++)
		if (nick[i] == '#') nick[i] = 'X';

	return tryConvertUTF(tmp) + nick;
}

	void MultiList::flipList()
	{

		if (ITEM_NONE == mSortColumnIndex) return;

		size_t end = mVectorColumnInfo.front().list->getItemCount();
		if (0 == end) return;
		end --;
		size_t start = 0;

		Ogre::UTFString tmp;
		tmp.reserve(64);
		size_t index1, index2;

		VectorSizeT vec;
		size_t size2 = mToSortIndex.size();
		vec.resize(size2);
		for (size_t pos=0; pos<size2; ++pos) vec[mToSortIndex[pos]] = pos;

		while (start < end) {

			for (VectorColumnInfo::iterator iter=mVectorColumnInfo.begin(); iter!=mVectorColumnInfo.end(); ++iter) {
				tmp = (*iter).list->getItem(start);
				(*iter).list->setItem(start, (*iter).list->getItem(end));
				(*iter).list->setItem(end, tmp);
			}

			index1 = vec[start];
			index2 = vec[end];

			mToSortIndex[index1] = mToSortIndex[index2];
			mToSortIndex[index2] = start;

			vec[start] = vec[end];
			vec[end] = index1;

			start++;
			end--;
		}
	}

	// возвращает текст без тегов
	Ogre::UTFString TextIterator::getOnlyText(const Ogre::UTFString& _text)
	{
		Ogre::UTFString ret;
		ret.reserve(_text.size());

		Ogre::UTFString::const_iterator end = _text.end();
		for (Ogre::UTFString::const_iterator iter=_text.begin(); iter!=end; ++iter) {

			if ((*iter) == L'#') {
				// следующий символ
				++ iter;
				if (iter == end) break;

				// тэг цвета
				if ((*iter) != L'#') {
					// остальные 5 символов цвета
					for (size_t pos=0; pos<5; pos++) {
						++ iter;
						if (iter == end) {
							--iter;
							break;
						}
					}
					continue;
				}
			}

			// обыкновенный символ
			ret.push_back(*iter);
		}

		return ret;
	}

int showOgreWebError(Ogre::UTFString title, Ogre::UTFString err, Ogre::UTFString url)
{
#ifndef NOOGRE
    // this only works in non-embedded mode
    // make no sense in embedded mode anyways ...

    storederror = true;
    stored_title = title;
    stored_err = err;
    stored_url = url;

    RigsOfRods *ror = RigsOfRods::getSingletonPtr();
    if(ror) ror->tryShutdown();

#if OGRE_PLATFORM == OGRE_PLATFORM_LINUX
    printf("\n\n%s: %s / url: %s\n\n", title.asUTF8_c_str(), err.asUTF8_c_str(), url.asUTF8_c_str());
#endif
    return 0;
#else
    return showWebError(Ogre::UTFString("Rigs of Rods: ") + title, err, url);
#endif //NOOGRE
}

void CLASS::eventCommandAccept(MyGUI::Edit* _sender)
{
	Ogre::UTFString msg = convertFromMyGUIString(_sender->getCaption());
	isTyping = false;
	_sender->setCaption("");

	if (autoHide)
		_sender->setEnabled(false);

	if (msg.empty())
	{
		// discard the empty message
		return;
	}

	if (msg[0] == '/' || msg[0] == '\\')
	{
		Ogre::StringVector args = Ogre::StringUtil::split(msg, " ");
		if (args[0] == "/whisper")
		{
			if (args.size() != 3)
			{
				pushMsg("usage: /whisper username message");
				return;
			}
			netChat->sendPrivateChat(args[1], args[2]);
			return;
		}
	}

	if (gEnv->network && netChat)
	{
		netChat->sendChat(msg.c_str());
		return;
	}

	//MyGUI::InputManager::getInstance().resetKeyFocusWidget();
	RoR::Application::GetGuiManager()->UnfocusGui();
}

Ogre::UTFString GetColouredName(Ogre::UTFString nick, int colour_number)
{
#ifdef USE_SOCKETW
    Ogre::ColourValue col_val = Networking::GetPlayerColor(colour_number);
    char tmp[255] = {0};
    sprintf(tmp, "#%02X%02X%02X", (unsigned int)(col_val.r * 255.0f), (unsigned int)(col_val.g * 255.0f), (unsigned int)(col_val.b * 255.0f));

    // replace # with X in nickname so the user cannot fake the colour
    for (unsigned int i = 0; i < nick.size(); i++)
        if (nick[i] == '#')
            nick[i] = 'X';

    return tryConvertUTF(tmp) + nick;
#else // USE_SOCKETW
    return nick;
#endif // USE_SOCKETW
}

int showWebError(Ogre::UTFString title, Ogre::UTFString err, Ogre::UTFString url)
{
    // NO logmanager use, because it could be that its not initialized yet!
    //LOG("web message box: " + title + ": " + err + " / url: " + url);
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
    Ogre::UTFString additional = _L("\n\nYou can eventually get help here:\n\n") + url + _L("\n\nDo you want to open that address in your default browser now?");
    err = err + additional;
    int Response = MessageBoxW( NULL, err.asWStr_c_str(), title.asWStr_c_str(), MB_YESNO | MB_ICONERROR | MB_TOPMOST | MB_SYSTEMMODAL | MB_SETFOREGROUND );
    // 6 (IDYES) = yes, 7 (IDNO) = no
    if(Response == IDYES)
    {
        // Microsoft conversion hell follows :|
        wchar_t *command = L"open";
        ShellExecuteW(NULL, command, url.asWStr_c_str(), NULL, NULL, SW_SHOWNORMAL);
    }
#elif OGRE_PLATFORM == OGRE_PLATFORM_LINUX
    printf("\n\n%s: %s / url: %s\n\n", title.asUTF8_c_str(), err.asUTF8_c_str(), url.asUTF8_c_str());
#elif OGRE_PLATFORM == OGRE_PLATFORM_APPLE
    printf("\n\n%s: %s / url: %s\n\n", title.asUTF8_c_str(), err.asUTF8_c_str(), url.asUTF8_c_str());
    //CFOptionFlags flgs;
    //CFUserNotificationDisplayAlert(0, kCFUserNotificationStopAlertLevel, NULL, NULL, NULL, "An exception has occured!", err.c_str(), NULL, NULL, NULL, &flgs);
#endif
    return 0;
}