Initial commit of Command & Conquer Generals and Command & Conquer Generals Zero Hour source code.
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GeneralsMD/Code/GameEngine/Include/Common/ArchiveFileSystem.h
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GeneralsMD/Code/GameEngine/Include/Common/ArchiveFileSystem.h
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/*
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** Command & Conquer Generals Zero Hour(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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////////////////////////////////////////////////////////////////////////////////
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// //
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// (c) 2001-2003 Electronic Arts Inc. //
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// //
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////////////////////////////////////////////////////////////////////////////////
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//----------------------------------------------------------------------------
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//
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// Westwood Studios Pacific.
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//
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// Confidential Information
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// Copyright (C) 2001 - All Rights Reserved
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//
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//----------------------------------------------------------------------------
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//
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// Project: Generals
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//
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// Module: Archive files
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//
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// File name: Common/ArchiveFileSystem.h
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//
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// Created: 11/26/01 TR
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//
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//----------------------------------------------------------------------------
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#pragma once
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#ifndef __ARCHIVEFILESYSTEM_H_
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#define __ARCHIVEFILESYSTEM_H_
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#define MUSIC_BIG "Music.big"
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//----------------------------------------------------------------------------
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// Includes
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//----------------------------------------------------------------------------
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#include "Common/SubsystemInterface.h"
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#include "Common/AsciiString.h"
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#include "Common/FileSystem.h" // for typedefs, etc.
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#include "Common/STLTypedefs.h"
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//----------------------------------------------------------------------------
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// Forward References
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//----------------------------------------------------------------------------
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class File;
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class ArchiveFile;
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//----------------------------------------------------------------------------
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// Type Defines
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//----------------------------------------------------------------------------
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//===============================
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// ArchiveFileSystem
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//===============================
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/**
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* Creates and manages ArchiveFile interfaces. ArchiveFiles can be accessed
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* by calling the openArchiveFile() member. ArchiveFiles can be accessed by
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* name or by File interface.
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*
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* openFile() member searches all Archive files for the specified sub file.
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*/
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//===============================
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class ArchivedDirectoryInfo;
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class DetailedArchivedDirectoryInfo;
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class ArchivedFileInfo;
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typedef std::map<AsciiString, DetailedArchivedDirectoryInfo> DetailedArchivedDirectoryInfoMap;
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typedef std::map<AsciiString, ArchivedDirectoryInfo> ArchivedDirectoryInfoMap;
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typedef std::map<AsciiString, ArchivedFileInfo> ArchivedFileInfoMap;
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typedef std::map<AsciiString, ArchiveFile *> ArchiveFileMap;
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typedef std::map<AsciiString, AsciiString> ArchivedFileLocationMap; // first string is the file name, second one is the archive filename.
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class ArchivedDirectoryInfo
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{
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public:
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AsciiString m_directoryName;
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ArchivedDirectoryInfoMap m_directories;
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ArchivedFileLocationMap m_files;
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void clear()
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{
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m_directoryName.clear();
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m_directories.clear();
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m_files.clear();
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}
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};
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class DetailedArchivedDirectoryInfo
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{
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public:
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AsciiString m_directoryName;
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DetailedArchivedDirectoryInfoMap m_directories;
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ArchivedFileInfoMap m_files;
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void clear()
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{
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m_directoryName.clear();
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m_directories.clear();
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m_files.clear();
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}
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};
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class ArchivedFileInfo
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{
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public:
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AsciiString m_filename;
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AsciiString m_archiveFilename;
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UnsignedInt m_offset;
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UnsignedInt m_size;
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ArchivedFileInfo()
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{
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clear();
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}
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void clear()
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{
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m_filename.clear();
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m_archiveFilename.clear();
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m_offset = 0;
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m_size = 0;
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}
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};
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class ArchiveFileSystem : public SubsystemInterface
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{
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public:
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ArchiveFileSystem();
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virtual ~ArchiveFileSystem();
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virtual void init( void ) = 0;
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virtual void update( void ) = 0;
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virtual void reset( void ) = 0;
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virtual void postProcessLoad( void ) = 0;
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// ArchiveFile operations
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virtual ArchiveFile* openArchiveFile( const Char *filename ) = 0; ///< Create new or return existing Archive file from file name
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virtual void closeArchiveFile( const Char *filename ) = 0; ///< Close the one specified big file.
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virtual void closeAllArchiveFiles( void ) = 0; ///< Close all Archivefiles currently open
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// File operations
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virtual File* openFile( const Char *filename, Int access = 0); ///< Search Archive files for specified file name and open it if found
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virtual void closeAllFiles( void ) = 0; ///< Close all files associated with ArchiveFiles
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virtual Bool doesFileExist(const Char *filename) const; ///< return true if that file exists in an archive file somewhere.
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void getFileListInDirectory(const AsciiString& currentDirectory, const AsciiString& originalDirectory, const AsciiString& searchName, FilenameList &filenameList, Bool searchSubdirectories) const; ///< search the given directory for files matching the searchName (egs. *.ini, *.rep). Possibly search subdirectories. Scans each Archive file.
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Bool getFileInfo(const AsciiString& filename, FileInfo *fileInfo) const; ///< see FileSystem.h
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virtual Bool loadBigFilesFromDirectory(AsciiString dir, AsciiString fileMask, Bool overwrite = FALSE) = 0;
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// Unprotected this for copy-protection routines
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AsciiString getArchiveFilenameForFile(const AsciiString& filename) const;
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void loadMods( void );
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protected:
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virtual void loadIntoDirectoryTree(const ArchiveFile *archiveFile, const AsciiString& archiveFilename, Bool overwrite = FALSE ); ///< load the archive file's header information and apply it to the global archive directory tree.
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ArchiveFileMap m_archiveFileMap;
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ArchivedDirectoryInfo m_rootDirectory;
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};
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extern ArchiveFileSystem *TheArchiveFileSystem;
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//----------------------------------------------------------------------------
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// Inlining
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//----------------------------------------------------------------------------
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#endif // __ARCHIVEFILESYSTEM_H_
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