bool GlulxeMetaEngine::detectGames(const Common::FSList &fslist, DetectedGames &gameList) {
	const char *const EXTENSIONS[3] = { ".ulx", ".blb", ".gblorb" };

	// Loop through the files of the folder
	for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
		// Check for a recognised filename
		if (file->isDirectory())
			continue;
		Common::String filename = file->getName();
		bool hasExt = false;
		for (int idx = 0; idx < 3 && !hasExt; ++idx)
			hasExt = filename.hasSuffixIgnoreCase(EXTENSIONS[idx]);
		if (!hasExt)
			continue;

		// Open up the file and calculate the md5
		Common::File gameFile;
		if (!gameFile.open(*file))
			continue;
		Common::String md5 = Common::computeStreamMD5AsString(gameFile, 5000);
		size_t filesize = gameFile.size();
		gameFile.close();

		// Check for known games
		const GlulxeGameDescription *p = GLULXE_GAMES;
		while (p->_gameId && (md5 != p->_md5 || filesize != p->_filesize))
			++p;

		DetectedGame gd;
		if (!p->_gameId) {
			if (filename.hasSuffixIgnoreCase(".blb"))
				continue;

			if (gDebugLevel > 0) {
				// Print an entry suitable for putting into the detection_tables.h, using the
				// name of the parent folder the game is in as the presumed game Id
				Common::String folderName = file->getParent().getName();
				if (folderName.hasSuffix("\\"))
					folderName.deleteLastChar();
				Common::String fname = filename;
				const char *dot = strchr(fname.c_str(), '.');
				if (dot)
					fname = Common::String(fname.c_str(), dot);

				debug("ENTRY0(\"%s\", \"%s\", %u),", fname.c_str(), md5.c_str(), (uint)filesize);
			}
			const PlainGameDescriptor &desc = GLULXE_GAME_LIST[0];
			gd = DetectedGame(desc.gameId, desc.description, Common::UNK_LANG, Common::kPlatformUnknown);
		} else {
			PlainGameDescriptor gameDesc = findGame(p->_gameId);
			gd = DetectedGame(p->_gameId, gameDesc.description, p->_language, Common::kPlatformUnknown, p->_extra);
			gd.setGUIOptions(GUIO4(GUIO_NOSPEECH, GUIO_NOSFX, GUIO_NOMUSIC, GUIO_NOSUBTITLES));
		}

		gd.addExtraEntry("filename", filename);
		gameList.push_back(gd);
	}

	return !gameList.empty();
}

GameList AdvancedMetaEngine::detectGames(const Common::FSList &fslist) const {
	ADGameDescList matches;
	GameList detectedGames;
	FileMap allFiles;

	if (fslist.empty())
		return detectedGames;

	// Compose a hashmap of all files in fslist.
	composeFileHashMap(allFiles, fslist, (_maxScanDepth == 0 ? 1 : _maxScanDepth));

	// Run the detector on this
	matches = detectGame(fslist.begin()->getParent(), allFiles, Common::UNK_LANG, Common::kPlatformUnknown, "");

	if (matches.empty()) {
		// Use fallback detector if there were no matches by other means
		const ADGameDescription *fallbackDesc = fallbackDetect(allFiles, fslist);
		if (fallbackDesc != 0) {
			GameDescriptor desc(toGameDescriptor(*fallbackDesc, _gameIds));
			updateGameDescriptor(desc, fallbackDesc);
			detectedGames.push_back(desc);
		}
	} else {
		// Otherwise use the found matches
		cleanupPirated(matches);
		for (uint i = 0; i < matches.size(); i++) {
			GameDescriptor desc(toGameDescriptor(*matches[i], _gameIds));
			updateGameDescriptor(desc, matches[i]);
			detectedGames.push_back(desc);
		}
	}

	return detectedGames;
}

void Sword1CheckDirectory(const Common::FSList &fslist, bool *filesFound, bool recursion = false) {
	for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
		if (!file->isDirectory()) {
			// The required game data files can be located in the game directory, or in
			// a subdirectory called "clusters". In the latter case, we don't want to
			// detect the game in that subdirectory, as this will detect the game twice
			// when mass add is searching inside a directory. In this case, the first
			// result (the game directory) will be correct, but the second result (the
			// clusters subdirectory) will be wrong, as the optional speech, music and
			// video data files will be ignored. Note that this fix will skip the game
			// data files if the user has placed them inside a "clusters" subdirectory,
			// or if he/she points ScummVM directly to the "clusters" directory of the
			// game CD. Fixes bug #3049346.
			Common::String directory = file->getParent().getName();
			directory.toLowercase();
			if (directory.hasPrefix("clusters") && directory.size() <= 9 && !recursion)
				continue;

			const char *fileName = file->getName().c_str();
			for (int cnt = 0; cnt < NUM_FILES_TO_CHECK; cnt++)
				if (scumm_stricmp(fileName, g_filesToCheck[cnt]) == 0)
					filesFound[cnt] = true;
		} else {
			for (int cnt = 0; cnt < ARRAYSIZE(g_dirNames); cnt++)
				if (scumm_stricmp(file->getName().c_str(), g_dirNames[cnt]) == 0) {
					Common::FSList fslist2;
					if (file->getChildren(fslist2, Common::FSNode::kListFilesOnly))
						Sword1CheckDirectory(fslist2, filesFound, true);
				}
		}
	}
}

bool BaseFileManager::registerPackages(const Common::FSList &fslist) {
	for (Common::FSList::const_iterator it = fslist.begin(); it != fslist.end(); ++it) {
		debugC(kWintermuteDebugFileAccess, "Adding %s", (*it).getName().c_str());
		if ((*it).getName().contains(".dcp")) {
			if (registerPackage((*it))) {
				addPath(PATH_PACKAGE, (*it));
			}
		}
	}
	return true;
}

bool isFullGame(const Common::FSList &fslist) {
	Common::FSList::const_iterator file;

	// We distinguish between the two versions by the presense of paris.clu
	for (file = fslist.begin(); file != fslist.end(); ++file) {
		if (!file->isDirectory()) {
			if (file->getName().equalsIgnoreCase("paris.clu"))
				return true;
		}
	}

	return false;
}

GameList SkyMetaEngine::detectGames(const Common::FSList &fslist) const {
	GameList detectedGames;
	bool hasSkyDsk = false;
	bool hasSkyDnr = false;
	int dinnerTableEntries = -1;
	int dataDiskSize = -1;

	// Iterate over all files in the given directory
	for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
		if (!file->isDirectory()) {
			const char *fileName = file->getName().c_str();

			if (0 == scumm_stricmp("sky.dsk", fileName)) {
				Common::File dataDisk;
				if (dataDisk.open(*file)) {
					hasSkyDsk = true;
					dataDiskSize = dataDisk.size();
				}
			}

			if (0 == scumm_stricmp("sky.dnr", fileName)) {
				Common::File dinner;
				if (dinner.open(*file)) {
					hasSkyDnr = true;
					dinnerTableEntries = dinner.readUint32LE();
				}
			}
		}
	}

	if (hasSkyDsk && hasSkyDnr) {
		// Match found, add to list of candidates, then abort inner loop.
		// The game detector uses US English by default. We want British
		// English to match the recorded voices better.
		GameDescriptor dg("sky", skySetting.gameid, skySetting.description, Common::UNK_LANG, Common::kPlatformUnknown);
		const SkyVersion *sv = skyVersions;
		while (sv->dinnerTableEntries) {
			if (dinnerTableEntries == sv->dinnerTableEntries &&
				(sv->dataDiskSize == dataDiskSize || sv->dataDiskSize == -1)) {
				dg.updateDesc(Common::String::format("v0.0%d %s", sv->version, sv->extraDesc).c_str());
				dg.setGUIOptions(sv->guioptions);
				break;
			}
			++sv;
		}
		detectedGames.push_back(dg);
	}

	return detectedGames;
}

bool TADSMetaEngine::detectGames(const Common::FSList &fslist, DetectedGames &gameList) {
	// Loop through the files of the folder
	for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
		// Check for a recognised filename
		Common::String filename = file->getName();
		if (file->isDirectory() || !(filename.hasSuffixIgnoreCase(".gam")
				|| filename.hasSuffixIgnoreCase(".blorb")))
			continue;

		// Open up the file and calculate the md5
		Common::File gameFile;
		if (!gameFile.open(*file))
			continue;
		Common::String md5 = Common::computeStreamMD5AsString(gameFile, 5000);
		size_t filesize = gameFile.size();
		gameFile.close();

		// Check for known games
		const TADSGameDescription *p = TADS_GAMES;
		while (p->_gameId && p->_md5 && (md5 != p->_md5 || filesize != p->_filesize))
			++p;

		DetectedGame gd;
		if (!p->_gameId) {
			if (!filename.hasSuffixIgnoreCase(".gam"))
				continue;

			if (gDebugLevel > 0) {
				// Print an entry suitable for putting into the detection_tables.h, using the
				Common::String fname = filename;
				const char *dot = strchr(fname.c_str(), '.');
				if (dot)
					fname = Common::String(fname.c_str(), dot);

				debug("ENTRY0(\"%s\", \"%s\", %u),", fname.c_str(), md5.c_str(), (uint)filesize);
			}
			const TADSDescriptor &desc = TADS_GAME_LIST[0];
			gd = DetectedGame(desc.gameId, desc.description, Common::UNK_LANG, Common::kPlatformUnknown);
		}
		else {
			PlainGameDescriptor gameDesc = findGame(p->_gameId);
			gd = DetectedGame(p->_gameId, gameDesc.description, p->_language, Common::kPlatformUnknown, p->_extra);
		}

		gd.addExtraEntry("filename", filename);
		gameList.push_back(gd);
	}

	return !gameList.empty();
}

GameList Sword2MetaEngine::detectGames(const Common::FSList &fslist) const {
	GameList detectedGames;
	const Sword2::GameSettings *g;
	Common::FSList::const_iterator file;

	// TODO: It would be nice if we had code here which distinguishes
	// between the 'sword2' and 'sword2demo' targets. The current code
	// can't do that since they use the same detectname.

	for (g = Sword2::sword2_settings; g->gameid; ++g) {
		// Iterate over all files in the given directory
		for (file = fslist.begin(); file != fslist.end(); ++file) {
			if (!file->isDirectory()) {
				const char *fileName = file->getName().c_str();

				if (0 == scumm_stricmp(g->detectname, fileName)) {
					// Match found, add to list of candidates, then abort inner loop.
					detectedGames.push_back(GameDescriptor(g->gameid, g->description, Common::UNK_LANG, Common::kPlatformUnknown, Common::GUIO_NOMIDI));
					break;
				}
			}
		}
	}


	if (detectedGames.empty()) {
		// Nothing found -- try to recurse into the 'clusters' subdirectory,
		// present e.g. if the user copied the data straight from CD.
		for (file = fslist.begin(); file != fslist.end(); ++file) {
			if (file->isDirectory()) {
				const char *fileName = file->getName().c_str();

				if (0 == scumm_stricmp("clusters", fileName)) {
					Common::FSList recList;
					if (file->getChildren(recList, Common::FSNode::kListAll)) {
						GameList recGames(detectGames(recList));
						if (!recGames.empty()) {
							detectedGames.push_back(recGames);
							break;
						}
					}
				}
			}
		}
	}


	return detectedGames;
}

void DefaultSaveFileManager::assureCached(const Common::String &savePathName) {
	// Check that path exists and is usable.
	checkPath(Common::FSNode(savePathName));

#ifdef USE_LIBCURL
	Common::Array<Common::String> files = CloudMan.getSyncingFiles(); //returns empty array if not syncing
	if (!files.empty()) updateSavefilesList(files); //makes this cache invalid
	else _lockedFiles = files;
#endif

	if (_cachedDirectory == savePathName) {
		return;
	}

	_saveFileCache.clear();
	_cachedDirectory.clear();

	if (getError().getCode() != Common::kNoError) {
		warning("DefaultSaveFileManager::assureCached: Can not cache path '%s': '%s'", savePathName.c_str(), getErrorDesc().c_str());
		return;
	}

	// FSNode can cache its members, thus create it after checkPath to reflect
	// actual file system state.
	const Common::FSNode savePath(savePathName);

	Common::FSList children;
	if (!savePath.getChildren(children, Common::FSNode::kListFilesOnly)) {
		return;
	}

	// Build the savefile name cache.
	for (Common::FSList::const_iterator file = children.begin(), end = children.end(); file != end; ++file) {
		if (_saveFileCache.contains(file->getName())) {
			warning("DefaultSaveFileManager::assureCached: Name clash when building cache, ignoring file '%s'", file->getName().c_str());
		} else {
			_saveFileCache[file->getName()] = *file;
		}
	}

	// Only now store that we cached 'savePathName' to indicate we successfully
	// cached the directory.
	_cachedDirectory = savePathName;
}

void CELauncherDialog::automaticScanDirectory(const Common::FSNode &node) {
	// First check if we have a recognized game in the current directory
	Common::FSList files;
	node.getChildren(files, Common::FSNode::kListFilesOnly);
	// detect
	GameList candidates(EngineMan.detectGames(files));
	// insert
	if (candidates.size() >= 1) {
		GameDescriptor result = candidates[0];
		result["path"] = node.getPath();
		addGameToConf(result);
	}
	// Then recurse on the subdirectories
	Common::FSList dirs;
	node.getChildren(dirs, Common::FSNode::kListDirectoriesOnly);
	for (Common::FSList::const_iterator currentDir = dirs.begin(); currentDir != dirs.end(); ++currentDir)
		automaticScanDirectory(*currentDir);

}

bool BaseFileManager::registerPackages() {
	debugC(kWintermuteDebugFileAccess | kWintermuteDebugLog, "Scanning packages");

	// Register without using SearchMan, as otherwise the FSNode-based lookup in openPackage will fail
	// and that has to be like that to support the detection-scheme.
	Common::FSList files;
	for (Common::FSList::iterator it = _packagePaths.begin(); it != _packagePaths.end(); ++it) {
		debugC(kWintermuteDebugFileAccess, "Should register folder: %s %s", (*it).getPath().c_str(), (*it).getName().c_str());
		if (!(*it).getChildren(files, Common::FSNode::kListFilesOnly)) {
			warning("getChildren() failed for path: %s", (*it).getDisplayName().c_str());
		}
		for (Common::FSList::iterator fileIt = files.begin(); fileIt != files.end(); ++fileIt) {
			if (!fileIt->getName().hasSuffix(".dcp")) {
				continue;
			}
			// Avoid registering all the language files
			// TODO: Select based on the gameDesc.
			if (_language != Common::UNK_LANG && fileIt->getParent().getName() == "language") {
				Common::String parentName = fileIt->getParent().getName();
				Common::String dcpName = fileIt->getName();
				if (_language == Common::EN_ANY && fileIt->getName() != "english.dcp") {
					continue;
				} else if (_language == Common::CZ_CZE && fileIt->getName() != "czech.dcp") {
					continue;
				} else if (_language == Common::IT_ITA && fileIt->getName() != "italian.dcp") {
					continue;
				} else if (_language == Common::PL_POL && fileIt->getName() != "polish.dcp") {
					continue;
				} else if (_language == Common::RU_RUS && fileIt->getName() != "russian.dcp") {
					continue;
				}
			}
			debugC(kWintermuteDebugFileAccess, "Registering %s %s", (*fileIt).getPath().c_str(), (*fileIt).getName().c_str());
			registerPackage((*fileIt));
		}
	}

//	debugC(kWintermuteDebugFileAccess | kWintermuteDebugLog, "  Registered %d files in %d package(s)", _files.size(), _packages.size());

	return STATUS_OK;
}

static void composeFileHashMap(const Common::FSList &fslist, FileMap &allFiles, int depth, const char * const *directoryGlobs) {
    if (depth <= 0)
        return;

    if (fslist.empty())
        return;

    // First we compose a hashmap of all files in fslist.
    // Includes nifty stuff like removing trailing dots and ignoring case.
    for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
        if (file->isDirectory()) {
            Common::FSList files;

            if (!directoryGlobs)
                continue;

            bool matched = false;
            for (const char * const *glob = directoryGlobs; *glob; glob++)
                if (file->getName().matchString(*glob, true)) {
                    matched = true;
                    break;
                }

            if (!matched)
                continue;

            if (!file->getChildren(files, Common::FSNode::kListAll))
                continue;

            composeFileHashMap(files, allFiles, depth - 1, directoryGlobs);
        }

        Common::String tstr = file->getName();

        // Strip any trailing dot
        if (tstr.lastChar() == '.')
            tstr.deleteLastChar();

        allFiles[tstr] = *file;	// Record the presence of this file
    }
}

void AdvancedMetaEngine::composeFileHashMap(FileMap &allFiles, const Common::FSList &fslist, int depth, const Common::String &parentName) const {
	if (depth <= 0)
		return;

	if (fslist.empty())
		return;

	for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
		Common::String tstr = (_matchFullPaths && !parentName.empty() ? parentName + "/" : "") + file->getName();

		if (file->isDirectory()) {
			Common::FSList files;

			if (!_directoryGlobs)
				continue;

			bool matched = false;
			for (const char * const *glob = _directoryGlobs; *glob; glob++)
				if (file->getName().matchString(*glob, true)) {
					matched = true;
					break;
				}

			if (!matched)
				continue;

			if (!file->getChildren(files, Common::FSNode::kListAll))
				continue;

			composeFileHashMap(allFiles, files, depth - 1, tstr);
		}

		// Strip any trailing dot
		if (tstr.lastChar() == '.')
			tstr.deleteLastChar();

		allFiles[tstr] = *file;	// Record the presence of this file
	}
}

Common::HashMap<Common::String, Score *> DirectorEngine::loadMMMNames(Common::String folder) {
	Common::FSNode directory(folder);
	Common::FSList movies;

	Common::HashMap<Common::String, Score *> nameMap;
	directory.getChildren(movies, Common::FSNode::kListFilesOnly);

	if (!movies.empty()) {
		for (Common::FSList::const_iterator i = movies.begin(); i != movies.end(); ++i) {
			if (i->getName() == _sharedMMM) {
				loadSharedCastsFrom(i->getPath());
				continue;
			}

			RIFFArchive *arc = new RIFFArchive();
			arc->openFile(i->getPath());
			Score *sc = new Score(this);
			nameMap[sc->getMacName()] = sc;
		}
	}

	return nameMap;
}

void ThemeEngine::listUsableThemes(const Common::FSNode &node, Common::List<ThemeDescriptor> &list, int depth) {
	if (!node.exists() || !node.isReadable() || !node.isDirectory())
		return;

	ThemeDescriptor td;

	// Check whether we point to a valid theme directory.
	if (themeConfigUsable(node, td.name)) {
		td.filename = node.getPath();
		td.id = node.getName();

		list.push_back(td);

		// A theme directory should never contain any other themes
		// thus we just return to the caller here.
		return;
	}

	Common::FSList fileList;
	// Check all files. We need this to find all themes inside ZIP archives.
	if (!node.getChildren(fileList, Common::FSNode::kListFilesOnly))
		return;

	for (Common::FSList::iterator i = fileList.begin(); i != fileList.end(); ++i) {
		// We will only process zip files for now
		if (!i->getPath().matchString("*.zip", true))
			continue;

		td.name.clear();
		if (themeConfigUsable(*i, td.name)) {
			td.filename = i->getPath();
			td.id = i->getName();

			// If the name of the node object also contains
			// the ".zip" suffix, we will strip it.
			if (td.id.matchString("*.zip", true)) {
				for (int j = 0; j < 4; ++j)
					td.id.deleteLastChar();
			}

			list.push_back(td);
		}
	}

	fileList.clear();

	// Check if we exceeded the given recursion depth
	if (depth - 1 == -1)
		return;

	// As next step we will search all subdirectories
	if (!node.getChildren(fileList, Common::FSNode::kListDirectoriesOnly))
		return;

	for (Common::FSList::iterator i = fileList.begin(); i != fileList.end(); ++i)
		listUsableThemes(*i, list, depth == -1 ? - 1 : depth - 1);
}

Common::HashMap<Common::String, Score *> *DirectorEngine::scanMovies(const Common::String &folder) {
    Common::FSNode directory(folder);
    Common::FSList movies;
    const char *sharedMMMname;

    if (getPlatform() == Common::kPlatformWindows)
        sharedMMMname = "SHARDCST.MMM";
    else
        sharedMMMname = "Shared Cast*";


    Common::HashMap<Common::String, Score *> *nameMap = new Common::HashMap<Common::String, Score *>();
    if (!directory.getChildren(movies, Common::FSNode::kListFilesOnly))
        return nameMap;

    if (!movies.empty()) {
        for (Common::FSList::const_iterator i = movies.begin(); i != movies.end(); ++i) {
            debugC(2, kDebugLoading, "File: %s", i->getName().c_str());

            if (Common::matchString(i->getName().c_str(), sharedMMMname, true)) {
                _sharedCastFile = i->getName();
                continue;
            }

            Archive *arc = createArchive();

            warning("name: %s", i->getName().c_str());
            arc->openFile(i->getName());
            Score *sc = new Score(this, arc);
            nameMap->setVal(sc->getMacName(), sc);

            debugC(2, kDebugLoading, "Movie name: \"%s\"", sc->getMacName().c_str());
        }
    }

    return nameMap;
}

ADDetectedGame CGEMetaEngine::fallbackDetect(const FileMap &allFiles, const Common::FSList &fslist) const {
	ADDetectedGame game = detectGameFilebased(allFiles, fslist, CGE::fileBasedFallback);

	if (!game.desc)
		return ADDetectedGame();

	SearchMan.addDirectory("CGEMetaEngine::fallbackDetect", fslist.begin()->getParent());
	ResourceManager *resman;
	resman = new ResourceManager();
	bool sayFileFound = resman->exist("CGE.SAY");
	delete resman;

	SearchMan.remove("CGEMetaEngine::fallbackDetect");

	if (!sayFileFound)
		return ADDetectedGame();

	return game;
}

void JNI::getPluginDirectories(Common::FSList &dirs) {
	JNIEnv *env = JNI::getEnv();

	jobjectArray array =
		(jobjectArray)env->CallObjectMethod(_jobj, _MID_getPluginDirectories);

	if (env->ExceptionCheck()) {
		LOGE("Error finding plugin directories");

		env->ExceptionDescribe();
		env->ExceptionClear();

		return;
	}

	jsize size = env->GetArrayLength(array);
	for (jsize i = 0; i < size; ++i) {
		jstring path_obj = (jstring)env->GetObjectArrayElement(array, i);

		if (path_obj == 0)
			continue;

		const char *path = env->GetStringUTFChars(path_obj, 0);

		if (path == 0) {
			LOGE("Error getting string characters from plugin directory");

			env->ExceptionClear();
			env->DeleteLocalRef(path_obj);

			continue;
		}

		dirs.push_back(Common::FSNode(path));

		env->ReleaseStringUTFChars(path_obj, path);
		env->DeleteLocalRef(path_obj);
	}
}

bool Sword25Engine::loadPackages() {
	PackageManager *packageManagerPtr = Kernel::getInstance()->getPackage();
	assert(packageManagerPtr);

	// Load the main package
	if (!packageManagerPtr->loadPackage("data.b25c", "/"))
		return false;

	// Get the contents of the main program directory and sort them alphabetically
	Common::FSNode dir(ConfMan.get("path"));
	Common::FSList files;
	if (!dir.isDirectory() || !dir.getChildren(files, Common::FSNode::kListAll)) {
		warning("Game data path does not exist or is not a directory");
		return false;
	}

	Common::sort(files.begin(), files.end());

	// Identify all patch packages
	// The filename of patch packages must have the form patch??.b25c, with the question marks
	// are placeholders for numbers.
	// Since the filenames have been sorted, patches are mounted with low numbers first, through
	// to ones with high numbers. This is important, because newly mount packages overwrite
	// existing files in the virtual file system, if they include files with the same name.
	for (Common::FSList::const_iterator it = files.begin(); it != files.end(); ++it) {
		if (it->getName().matchString("patch???.b25c", true))
			if (!packageManagerPtr->loadPackage(it->getName(), "/"))
				return false;
	}

	// Identify and mount all language packages
	// The filename of the packages have the form lang_*.b25c (eg. lang_de.b25c)
	for (Common::FSList::const_iterator it = files.begin(); it != files.end(); ++it) {
		if (it->getName().matchString("lang_*.b25c", true))
			if (!packageManagerPtr->loadPackage(it->getName(), "/"))
				return false;
	}

	return true;
}

Common::Error AdvancedMetaEngine::createInstance(OSystem *syst, Engine **engine) const {
	assert(engine);

	const ADGameDescription *agdDesc = 0;
	Common::Language language = Common::UNK_LANG;
	Common::Platform platform = Common::kPlatformUnknown;
	Common::String extra;

	if (ConfMan.hasKey("language"))
		language = Common::parseLanguage(ConfMan.get("language"));
	if (ConfMan.hasKey("platform"))
		platform = Common::parsePlatform(ConfMan.get("platform"));
	if (_flags & kADFlagUseExtraAsHint) {
		if (ConfMan.hasKey("extra"))
			extra = ConfMan.get("extra");
	}

	Common::String gameid = ConfMan.get("gameid");

	Common::String path;
	if (ConfMan.hasKey("path")) {
		path = ConfMan.get("path");
	} else {
		path = ".";

		// This situation may happen only when game was
		// launched from a command line with wrong target and
		// no path was provided.
		//
		// A dummy entry will get created and will keep game path
		// We mark this entry, so it will not be added to the
		// config file.
		//
		// Fixes bug #1544799
		ConfMan.setBool("autoadded", true);

		warning("No path was provided. Assuming the data files are in the current directory");
	}
	Common::FSNode dir(path);
	Common::FSList files;
	if (!dir.isDirectory() || !dir.getChildren(files, Common::FSNode::kListAll, true)) {
		warning("Game data path does not exist or is not a directory (%s)", path.c_str());
		return Common::kNoGameDataFoundError;
	}

	if (files.empty())
		return Common::kNoGameDataFoundError;

	// Compose a hashmap of all files in fslist.
	FileMap allFiles;
	composeFileHashMap(allFiles, files, (_maxScanDepth == 0 ? 1 : _maxScanDepth));

	// Run the detector on this
	ADGameDescList matches = detectGame(files.begin()->getParent(), allFiles, language, platform, extra);

	if (cleanupPirated(matches))
		return Common::kNoGameDataFoundError;

	if (_singleId == NULL) {
		// Find the first match with correct gameid.
		for (uint i = 0; i < matches.size(); i++) {
			if (matches[i]->gameId == gameid) {
				agdDesc = matches[i];
				break;
			}
		}
	} else if (matches.size() > 0) {
		agdDesc = matches[0];
	}

	if (agdDesc == 0) {
		// Use fallback detector if there were no matches by other means
		agdDesc = fallbackDetect(allFiles, files);
		if (agdDesc != 0) {
			// Seems we found a fallback match. But first perform a basic
			// sanity check: the gameid must match.
			if (_singleId == NULL && agdDesc->gameId != gameid)
				agdDesc = 0;
		}
	}

	if (agdDesc == 0)
		return Common::kNoGameDataFoundError;

	// If the GUI options were updated, we catch this here and update them in the users config
	// file transparently.
	Common::String lang = getGameGUIOptionsDescriptionLanguage(agdDesc->language);
	if (agdDesc->flags & ADGF_ADDENGLISH)
		lang += " " + getGameGUIOptionsDescriptionLanguage(Common::EN_ANY);

	Common::updateGameGUIOptions(agdDesc->guiOptions + _guiOptions, lang);

	GameDescriptor gameDescriptor = toGameDescriptor(*agdDesc, _gameIds);

	bool showTestingWarning = false;

#ifdef RELEASE_BUILD
	showTestingWarning = true;
#endif

//.........这里部分代码省略.........