Initial commit

engines/sword25/package/packagemanager.cpp

@@ -0,0 +1,320 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on Broken Sword 2.5 engine
+ *
+ * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
+ *
+ * Licensed under GNU GPL v2
+ *
+ */
+
+#include "common/archive.h"
+#include "common/config-manager.h"
+#include "common/savefile.h"
+#include "common/str-array.h"
+#include "common/system.h"
+#include "common/compression/unzip.h"
+#include "sword25/sword25.h"	// for kDebugScript
+#include "sword25/kernel/filesystemutil.h"
+#include "sword25/package/packagemanager.h"
+
+namespace Sword25 {
+
+const char PATH_SEPARATOR = '/';
+
+static Common::String normalizePath(const Common::String &path, const Common::String &currentDirectory) {
+	Common::String wholePath = (path.size() >= 1 && path[0] == PATH_SEPARATOR) ? path : currentDirectory + PATH_SEPARATOR + path;
+
+	if (wholePath.size() == 0) {
+		// The path list has no elements, therefore the root directory is returned
+		return Common::String(PATH_SEPARATOR);
+	}
+
+	return Common::normalizePath(wholePath, PATH_SEPARATOR);
+}
+
+PackageManager::PackageManager(Kernel *pKernel) : Service(pKernel),
+	_currentDirectory(PATH_SEPARATOR),
+	_rootFolder(ConfMan.getPath("path")),
+	_useEnglishSpeech(ConfMan.getBool("english_speech")),
+	_extractedFiles(false) {
+	if (!registerScriptBindings())
+		error("Script bindings could not be registered.");
+	else
+		debugC(kDebugScript, "Script bindings registered.");
+}
+
+PackageManager::~PackageManager() {
+	// Free the package list
+	Common::List<ArchiveEntry *>::iterator i;
+	for (i = _archiveList.begin(); i != _archiveList.end(); ++i)
+		delete *i;
+
+}
+
+Common::String PackageManager::ensureSpeechLang(const Common::String &fileName) {
+	if (!_useEnglishSpeech || fileName.size() < 9 || !fileName.hasPrefix("/speech/"))
+		return fileName;
+
+	// Always keep German speech as a fallback in case the English speech pack is not present.
+	// However this means we cannot play with German text and English voice.
+	if (fileName.hasPrefix("/speech/de"))
+		return fileName;
+
+	Common::String newFileName = "/speech/en";
+	uint fileIdx = 9;
+	while (fileIdx < fileName.size() && fileName[fileIdx] != '/')
+		++fileIdx;
+	if (fileIdx < fileName.size())
+		newFileName += fileName.c_str() + fileIdx;
+
+	return newFileName;
+}
+
+/**
+ * Scans through the archive list for a specified file
+ */
+Common::ArchiveMemberPtr PackageManager::getArchiveMember(const Common::String &fileName) {
+	Common::String fileName2 = ensureSpeechLang(fileName);
+	// Loop through checking each archive
+	Common::List<ArchiveEntry *>::iterator i;
+	for (i = _archiveList.begin(); i != _archiveList.end(); ++i) {
+		if (!fileName2.hasPrefix((*i)->_mountPath)) {
+			// The mount path is in different subtree. Skipping
+			continue;
+		}
+
+		// Look into the archive for the desired file
+		Common::Archive *archiveFolder = (*i)->archive;
+
+		// Construct relative path
+		Common::Path resPath(&fileName2.c_str()[(*i)->_mountPath.size()]);
+
+		if (archiveFolder->hasFile(resPath)) {
+			return archiveFolder->getMember(resPath);
+		}
+	}
+
+	return Common::ArchiveMemberPtr();
+}
+
+bool PackageManager::loadPackage(const Common::Path &fileName, const Common::String &mountPosition) {
+	debug(3, "loadPackage(%s, %s)", fileName.toString(Common::Path::kNativeSeparator).c_str(), mountPosition.c_str());
+
+	Common::Archive *zipFile = Common::makeZipArchive(fileName);
+	if (zipFile == NULL) {
+		error("Unable to mount file \"%s\" to \"%s\"", fileName.toString(Common::Path::kNativeSeparator).c_str(), mountPosition.c_str());
+		return false;
+	} else {
+		debugC(kDebugResource, "Package '%s' mounted as '%s'.", fileName.toString(Common::Path::kNativeSeparator).c_str(), mountPosition.c_str());
+		Common::ArchiveMemberList files;
+		zipFile->listMembers(files);
+		debug(3, "Capacity %d", files.size());
+
+		for (Common::ArchiveMemberList::iterator it = files.begin(); it != files.end(); ++it)
+			debug(3, "%s", (*it)->getName().c_str());
+
+		_archiveList.push_front(new ArchiveEntry(zipFile, mountPosition));
+
+		return true;
+	}
+}
+
+bool PackageManager::loadDirectoryAsPackage(const Common::Path &directoryName, const Common::String &mountPosition) {
+	Common::FSNode directory(directoryName);
+	Common::Archive *folderArchive = new Common::FSDirectory(directory, 6, false, false, true);
+	if (!directory.exists() || (folderArchive == NULL)) {
+		error("Unable to mount directory \"%s\" to \"%s\".", directoryName.toString(Common::Path::kNativeSeparator).c_str(), mountPosition.c_str());
+		return false;
+	} else {
+		debugC(kDebugResource, "Directory '%s' mounted as '%s'.", directoryName.toString(Common::Path::kNativeSeparator).c_str(), mountPosition.c_str());
+
+		Common::ArchiveMemberList files;
+		folderArchive->listMembers(files);
+		debug(0, "Capacity %d", files.size());
+
+		_archiveList.push_front(new ArchiveEntry(folderArchive, mountPosition));
+
+		return true;
+	}
+}
+
+byte *PackageManager::getFile(const Common::String &fileName, uint *fileSizePtr) {
+	const Common::String B25S_EXTENSION(".b25s");
+	Common::SeekableReadStream *in;
+
+	if (fileName.hasSuffix(B25S_EXTENSION)) {
+		// Savegame loading logic
+		Common::SaveFileManager *sfm = g_system->getSavefileManager();
+		Common::InSaveFile *file = sfm->openForLoading(
+			FileSystemUtil::getPathFilename(fileName));
+		if (!file) {
+			error("Could not load savegame \"%s\".", fileName.c_str());
+			return 0;
+		}
+
+		if (fileSizePtr)
+			*fileSizePtr = file->size();
+
+		byte *buffer = new byte[file->size()];
+		file->read(buffer, file->size());
+
+		delete file;
+		return buffer;
+	}
+
+	Common::ArchiveMemberPtr fileNode = getArchiveMember(normalizePath(fileName, _currentDirectory));
+	if (!fileNode)
+		return 0;
+	if (!(in = fileNode->createReadStream()))
+		return 0;
+
+	// If the filesize is desired, then output the size
+	if (fileSizePtr)
+		*fileSizePtr = in->size();
+
+	// Read the file
+	byte *buffer = new byte[in->size()];
+	int bytesRead = in->read(buffer, in->size());
+	delete in;
+
+	// Modify the buffer to enable internal debugger if needed
+	if (debugChannelSet(-1, kDebugInternalDebugger) && fileName.equals("/system/internal_config.lua")) {
+		char *found = strstr((char *)buffer, "ENGINE_RELEASE_TYPE = 'pub'");
+		if (found != nullptr) {
+			memcpy(found + 23, "dev", 3);
+		}
+	}
+
+	// Modify the buffer to properly set the death screen as background 
+	// by changing its z value
+    if (fileName.equals("rooms/tod/scripts/default.lua")) {
+        char *found = strstr((char *)buffer, "self:AddOccluder('/rooms/tod/gfx/rip.png', { X = 0, Y = 80 }, 10)");
+        if (found != nullptr) {
+            memcpy(found + 62, " 8", 2);
+        }
+    }
+
+	if (!bytesRead) {
+		delete[] buffer;
+		return NULL;
+	}
+
+	return buffer;
+}
+
+Common::SeekableReadStream *PackageManager::getStream(const Common::String &fileName) {
+	Common::SeekableReadStream *in;
+	Common::ArchiveMemberPtr fileNode = getArchiveMember(normalizePath(fileName, _currentDirectory));
+	if (!fileNode)
+		return 0;
+	if (!(in = fileNode->createReadStream()))
+		return 0;
+
+	return in;
+}
+
+bool PackageManager::changeDirectory(const Common::String &directory) {
+	// Get the path elements for the file
+	_currentDirectory = normalizePath(directory, _currentDirectory);
+	return true;
+}
+
+Common::String PackageManager::getAbsolutePath(const Common::String &fileName) {
+	return normalizePath(ensureSpeechLang(fileName), _currentDirectory);
+}
+
+bool PackageManager::fileExists(const Common::String &fileName) {
+	// FIXME: The current Zip implementation doesn't support getting a folder entry, which is needed for detecting
+	// the English voice pack
+	Common::String fileName2 = ensureSpeechLang(fileName);
+	if (fileName2 == "/speech/en") {
+		// To get around this, change to detecting one of the files in the folder
+		bool exists = getArchiveMember(normalizePath(fileName2 + "/APO0001.ogg", _currentDirectory));
+		if (!exists && _useEnglishSpeech) {
+			_useEnglishSpeech = false;
+			warning("English speech not found");
+		}
+		return exists;
+	}
+
+	Common::ArchiveMemberPtr fileNode = getArchiveMember(normalizePath(fileName2, _currentDirectory));
+	return fileNode;
+}
+
+int PackageManager::doSearch(Common::ArchiveMemberList &list, const Common::String &filter, const Common::String &path, uint typeFilter) {
+	Common::String normalizedFilter = normalizePath(ensureSpeechLang(filter), _currentDirectory);
+	int num = 0;
+
+	if (path.size() > 0)
+		warning("STUB: PackageManager::doSearch(<%s>, <%s>, %d)", filter.c_str(), path.c_str(), typeFilter);
+
+	debug(9, "PackageManager::doSearch(..., \"%s\", \"%s\", %d)", filter.c_str(), path.c_str(), typeFilter);
+
+	// Loop through checking each archive
+	Common::List<ArchiveEntry *>::iterator i;
+	for (i = _archiveList.begin(); i != _archiveList.end(); ++i) {
+		Common::ArchiveMemberList memberList;
+
+		if (!normalizedFilter.hasPrefix((*i)->_mountPath)) {
+			// The mount path is in different subtree. Skipping
+			continue;
+		}
+
+		// Construct relative path
+		Common::Path resFilter(&normalizedFilter.c_str()[(*i)->_mountPath.size()]);
+
+		if ((*i)->archive->listMatchingMembers(memberList, resFilter) == 0)
+			continue;
+
+		// Create a list of the matching names
+		for (Common::ArchiveMemberList::iterator it = memberList.begin(); it != memberList.end(); ++it) {
+			Common::Path name = (*it)->getPathInArchive();
+			bool isDirectory = (*it)->isDirectory();
+			bool matchType = (((typeFilter & PackageManager::FT_DIRECTORY) && isDirectory) ||
+							  ((typeFilter & PackageManager::FT_FILE) && !isDirectory));
+
+			if (matchType) {
+
+				// Do not add duplicate files
+				bool found = false;
+				for (Common::ArchiveMemberList::iterator it1 = list.begin(); it1 != list.end(); ++it1) {
+					if ((*it1)->getPathInArchive() == name) {
+						found = true;
+						break;
+					}
+				}
+
+				if (!found) {
+					list.push_back(Common::ArchiveMemberList::value_type(new Common::GenericArchiveMember(name, *(*i)->archive)));
+					debug(9, "> %s", name.toString().c_str());
+				}
+				num++;
+			}
+		}
+	}
+
+	return num;
+}
+
+} // End of namespace Sword25

engines/sword25/package/packagemanager.h

@@ -0,0 +1,219 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on Broken Sword 2.5 engine
+ *
+ * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
+ *
+ * Licensed under GNU GPL v2
+ *
+ */
+
+/*
+ * BS_PackageManager
+ * -----------------
+ * This is the package manager interface, that contains all the methods that a package manager
+ * must implement.
+ * In the package manager, note the following:
+ * 1. It creates a completely new (virtual) directory tree in the packages and directories
+ *    can be mounted.
+ * 2. To separate elements of a directory path '/' must be used rather than '\'
+ * 3. LoadDirectoryAsPackage should only be used for testing. The final release will be
+ *    have all files in packages.
+ *
+ * Autor: Malte Thiesen, $author$
+ */
+
+#ifndef SWORD25_PACKAGE_MANAGER_H
+#define SWORD25_PACKAGE_MANAGER_H
+
+#include "common/archive.h"
+#include "common/array.h"
+#include "common/fs.h"
+#include "common/str.h"
+
+#include "sword25/kernel/common.h"
+#include "sword25/kernel/kernel.h"
+#include "sword25/kernel/service.h"
+
+namespace Sword25 {
+
+// Class definitions
+
+/**
+ * The Package Manager interface
+ *
+ * 1. It creates a completely new (virtual) directory tree in the packages and directories
+ *    can be mounted.
+ * 2. To separate elements of a directory path '/' must be used rather than '\'
+ * 3. LoadDirectoryAsPackage should only be used for testing. The final release will be
+ *    have all files in packages.
+ */
+class PackageManager : public Service {
+private:
+	class ArchiveEntry {
+	public:
+		Common::Archive *archive;
+		Common::String _mountPath;
+
+		ArchiveEntry(Common::Archive *archive_, const Common::String &mountPath_):
+			archive(archive_), _mountPath(mountPath_) {
+		}
+		~ArchiveEntry() {
+			delete archive;
+		}
+	};
+
+	Common::String _currentDirectory;
+	Common::FSNode _rootFolder;
+	Common::List<ArchiveEntry *> _archiveList;
+	bool _extractedFiles;
+	Common::Path _directoryName;
+
+	bool _useEnglishSpeech;
+	Common::String ensureSpeechLang(const Common::String &fileName);
+
+	Common::ArchiveMemberPtr getArchiveMember(const Common::String &fileName);
+
+public:
+	PackageManager(Kernel *pKernel);
+	~PackageManager() override;
+
+	enum FILE_TYPES {
+		FT_DIRECTORY    = (1 << 0),
+		FT_FILE         = (1 << 1)
+	};
+
+	/**
+	 *
+	 * Set the PackageManager to run on extracted game files.s
+	 */
+	void setRunWithExtractedFiles(const Common::Path &directoryName) {
+		_extractedFiles = true;
+		_directoryName = directoryName;
+	}
+
+	/**
+	 * Mounts the contents of a package in the directory specified in the directory tree.
+	 * @param FileName      The filename of the package to mount
+	 * @param MountPosition The directory name under which the package should be mounted
+	 * @return              Returns true if the mount was successful, otherwise false.
+	 */
+	bool loadPackage(const Common::Path &fileName, const Common::String &mountPosition);
+	/**
+	 * Mounts the contents of a directory in the specified directory in the directory tree.
+	 * @param               The name of the directory to mount
+	 * @param MountPosition The directory name under which the package should be mounted
+	 * @return              Returns true if the mount was successful, otherwise false.
+	 */
+	bool loadDirectoryAsPackage(const Common::Path &directoryName, const Common::String &mountPosition);
+	/**
+	 * Downloads a file from the directory tree
+	 * @param FileName      The filename of the file to load
+	 * @param pFileSize     Pointer to the variable that will contain the size of the loaded file. The deafult is NULL.
+	 * @return              Specifies a pointer to the loaded data of the file
+	 * @remark              The client must not forget to release the data of the file using BE_DELETE_A.
+	 */
+	byte *getFile(const Common::String &fileName, uint *pFileSize = NULL);
+
+	/**
+	 * Returns a stream from file file from the directory tree
+	 * @param FileName      The filename of the file to load
+	 * @return              Pointer to the stream object
+	 */
+	Common::SeekableReadStream *getStream(const Common::String &fileName);
+	/**
+	 * Downloads an XML file and prefixes it with an XML Version key, since the XML files don't contain it,
+	 * and it is required for ScummVM to correctly parse the XML.
+	 * @param FileName      The filename of the file to load
+	 * @param pFileSize     Pointer to the variable that will contain the size of the loaded file. The deafult is NULL.
+	 * @return              Specifies a pointer to the loaded data of the file
+	 * @remark              The client must not forget to release the data of the file using BE_DELETE_A.
+	 */
+	char *getXmlFile(const Common::String &fileName, uint *pFileSize = NULL) {
+		const char *versionStr = "<?xml version=\"1.0\"?>";
+		uint fileSize;
+		char *data = (char *)getFile(fileName, &fileSize);
+		size_t resultSize = fileSize + strlen(versionStr) + 1;
+		char *result = (char *)malloc(resultSize);
+		if (!result)
+			error("[PackageManager::getXmlFile] Cannot allocate memory");
+
+		Common::strcpy_s(result, resultSize, versionStr);
+		Common::copy(data, data + fileSize, result + strlen(versionStr));
+		result[resultSize - 1] = '\0';
+
+		delete[] data;
+		if (pFileSize)
+			*pFileSize = fileSize + strlen(versionStr);
+
+		return result;
+	}
+
+	/**
+	 * Returns the path to the current directory.
+	 * @return              Returns a string containing the path to the current directory.
+	 * If the path could not be determined, an empty string is returned.
+	 * @remark              For cutting path elements '\' is used rather than '/' elements.
+	 */
+	Common::String getCurrentDirectory() { return _currentDirectory; }
+	/**
+	 * Changes the current directory.
+	 * @param Directory     The path to the new directory. The path can be relative.
+	 * @return              Returns true if the operation was successful, otherwise false.
+	 * @remark              For cutting path elements '\' is used rather than '/' elements.
+	 */
+	bool changeDirectory(const Common::String &directory);
+	/**
+	 * Returns the absolute path to a file in the directory tree.
+	 * @param FileName      The filename of the file whose absolute path is to be determined.
+	 * These parameters may include both relative and absolute paths.
+	 * @return              Returns an absolute path to the given file.
+	 * @remark              For cutting path elements '\' is used rather than '/' elements.
+	 */
+	Common::String getAbsolutePath(const Common::String &fileName);
+	/**
+	 * Creates a BS_PackageManager::FileSearch object to search for files
+	 * @param Filter        Specifies the search string. Wildcards of '*' and '?' are allowed
+	 * @param Path          Specifies the directory that should be searched.
+	 * @param TypeFilter    A combination of flags BS_PackageManager::FT_DIRECTORY and BS_PackageManager::FT_FILE.
+	 * These flags indicate whether to search for files, directories, or both.
+	 * The default is BS_PackageManager::FT_DIRECTORY | BS_PackageManager::FT_FILE
+	 * @return              Specifies a pointer to a BS_PackageManager::FileSearch object, or NULL if no file was found.
+	 * @remark              Do not forget to delete the object after use.
+	*/
+	int doSearch(Common::ArchiveMemberList &list, const Common::String &filter, const Common::String &path, uint typeFilter = FT_DIRECTORY | FT_FILE);
+
+	/**
+	 * Determines whether a file exists
+	 * @param FileName      The filename
+	 * @return              Returns true if the file exists, otherwise false.
+	 */
+	bool fileExists(const Common::String &FileName);
+
+private:
+	bool registerScriptBindings();
+};
+
+} // End of namespace Sword25
+
+#endif

engines/sword25/package/packagemanager_script.cpp

@@ -0,0 +1,175 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on Broken Sword 2.5 engine
+ *
+ * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
+ *
+ * Licensed under GNU GPL v2
+ *
+ */
+
+#include "sword25/kernel/common.h"
+#include "sword25/kernel/kernel.h"
+#include "sword25/script/script.h"
+#include "sword25/script/luabindhelper.h"
+
+#include "sword25/package/packagemanager.h"
+
+namespace Sword25 {
+
+static PackageManager *getPM() {
+	Kernel *pKernel = Kernel::getInstance();
+	assert(pKernel);
+	PackageManager *pPM = pKernel->getPackage();
+	assert(pPM);
+	return pPM;
+}
+
+static int loadPackage(lua_State *L) {
+	PackageManager *pPM = getPM();
+
+	lua_pushbooleancpp(L, pPM->loadPackage(luaL_checkstring(L, 1), luaL_checkstring(L, 2)));
+
+	return 1;
+}
+
+static int loadDirectoryAsPackage(lua_State *L) {
+	PackageManager *pPM = getPM();
+
+	lua_pushbooleancpp(L, pPM->loadDirectoryAsPackage(luaL_checkstring(L, 1), luaL_checkstring(L, 2)));
+
+	return 1;
+}
+
+static void splitSearchPath(const Common::String &path, Common::String &directory, Common::String &filter) {
+	// Scan backwards for a trailing slash
+	const char *sPath = path.c_str();
+	const char *lastSlash = sPath + strlen(sPath) - 1;
+	while ((lastSlash >= sPath) && (*lastSlash != '/')) --lastSlash;
+
+	if (lastSlash >= sPath) {
+		directory = "";
+		filter = path;
+	} else {
+		directory = Common::String(sPath, lastSlash - sPath);
+		filter = Common::String(lastSlash + 1);
+	}
+}
+
+static void doSearch(lua_State *L, const Common::String &path, uint type) {
+	PackageManager *pPM = getPM();
+
+	// Der Packagemanager-Service muss den Suchstring und den Pfad getrennt übergeben bekommen.
+	// Um die Benutzbarkeit zu verbessern sollen Skriptprogrammierer dieses als ein Pfad übergeben können.
+	// Daher muss der übergebene Pfad am letzten Slash aufgesplittet werden.
+	Common::String directory;
+	Common::String filter;
+	splitSearchPath(path, directory, filter);
+
+	// Ergebnistable auf dem Lua-Stack erstellen
+	lua_newtable(L);
+
+	// Suche durchführen und die Namen aller gefundenen Dateien in die Ergebnistabelle einfügen.
+	// Als Indizes werden fortlaufende Nummern verwandt.
+	uint resultNr = 1;
+	Common::ArchiveMemberList list;
+	int numMatches;
+
+	numMatches = pPM->doSearch(list, filter, directory, type);
+	if (numMatches) {
+		for (Common::ArchiveMemberList::iterator it = list.begin(); it != list.end(); ++it) {
+			lua_pushnumber(L, resultNr);
+			lua_pushstring(L, (*it)->getName().c_str());
+			lua_settable(L, -3);
+			resultNr++;
+		}
+	}
+}
+
+static int findFiles(lua_State *L) {
+	doSearch(L, luaL_checkstring(L, 1), PackageManager::FT_FILE);
+	return 1;
+}
+
+static int findDirectories(lua_State *L) {
+	doSearch(L, luaL_checkstring(L, 1), PackageManager::FT_DIRECTORY);
+	return 1;
+}
+
+static int getFileAsString(lua_State *L) {
+	PackageManager *pPM = getPM();
+
+	uint fileSize;
+	char *fileData = (char *)pPM->getFile(luaL_checkstring(L, 1), &fileSize);
+	if (fileData) {
+		lua_pushlstring(L, fileData, fileSize);
+		delete[] fileData;
+
+		return 1;
+	} else
+		return 0;
+}
+
+static int fileExists(lua_State *L) {
+	lua_pushbooleancpp(L, getPM()->fileExists(luaL_checkstring(L, 1)));
+	return 1;
+}
+
+// Marks a function that should never be used
+static int dummyFuncError(lua_State *L) {
+	error("Dummy function invoked by LUA");
+	return 1;
+}
+
+static const char *PACKAGE_LIBRARY_NAME = "Package";
+
+static const luaL_reg PACKAGE_FUNCTIONS[] = {
+	{"LoadPackage", loadPackage},
+	{"LoadDirectoryAsPackage", loadDirectoryAsPackage},
+	{"GetCurrentDirectory", dummyFuncError},
+	{"ChangeDirectory", dummyFuncError},
+	{"GetAbsolutePath", dummyFuncError},
+	{"GetFileSize", dummyFuncError},
+	{"GetFileType", dummyFuncError},
+	{"FindFiles", findFiles},
+	{"FindDirectories", findDirectories},
+	{"GetFileAsString", getFileAsString},
+	{"FileExists", fileExists},
+	{0, 0}
+};
+
+bool PackageManager::registerScriptBindings() {
+	Kernel *pKernel = Kernel::getInstance();
+	assert(pKernel);
+	ScriptEngine *pScript = pKernel->getScript();
+	assert(pScript);
+	lua_State *L = static_cast<lua_State *>(pScript->getScriptObject());
+	assert(L);
+
+	if (!LuaBindhelper::addFunctionsToLib(L, PACKAGE_LIBRARY_NAME, PACKAGE_FUNCTIONS))
+		return false;
+
+	return true;
+}
+
+} // End of namespace Sword25