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https://github.com/TES3MP/openmw-tes3mp.git
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3982573035
* Implement hash based lookup for TES3 BSA files. * Added TES4/TES5 BSA support. * Implemented a hack (non-portable code) in an attempt to reduce startup time under Windows because Boost::filesystem seems to take forever on GetFileAttributeW. This implementation uses FindFirstFile/FindNextFile/FindClose instead.
103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
/*
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OpenMW - The completely unofficial reimplementation of Morrowind
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Copyright (C) 2008-2010 Nicolay Korslund
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Email: < korslund@gmail.com >
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WWW: http://openmw.sourceforge.net/
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This file (bsa_file.h) is part of the OpenMW package.
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OpenMW is distributed as free software: you can redistribute it
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and/or modify it under the terms of the GNU General Public License
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version 3, as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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version 3 along with this program. If not, see
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http://www.gnu.org/licenses/ .
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TES4 stuff added by cc9cii 2018
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*/
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#ifndef BSA_TES4BSA_FILE_H
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#define BSA_TES4BSA_FILE_H
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#include <stdint.h>
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#include <string>
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#include <vector>
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#include <map>
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#include <OgreDataStream.h>
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namespace Bsa
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{
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class TES4BSAFile
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{
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public:
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struct FileRecord
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{
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std::uint32_t size;
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std::uint32_t offset;
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std::string fileName; // NOTE: for testing hash collision only, see TEST_UNIQUE_HASH
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FileRecord() : size(0), offset(-1) {}
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};
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private:
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/// Filenames string buffer
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std::vector<char> mStringBuf;
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/// True when an archive has been loaded
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bool isLoaded;
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bool mCompressedByDefault;
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bool mEmbeddedFileNames;
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std::map<std::uint64_t, FileRecord> mFiles;
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typedef std::map<std::uint64_t, FileRecord> FileList;
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struct FolderRecord
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{
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std::uint32_t count;
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std::uint32_t offset;
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std::map<std::uint64_t, FileRecord> files;
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};
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std::map<std::uint64_t, FolderRecord> mFolders;
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FileRecord getFileRecord(const std::string& str) const;
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/// Used for error messages and getting files
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std::string mFilename;
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/// Error handling
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void fail(const std::string &msg);
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/// Read header information from the input source
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void readHeader();
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public:
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TES4BSAFile()
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: isLoaded(false), mCompressedByDefault(false), mEmbeddedFileNames(false)
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{ }
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/// Open an archive file.
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void open(const std::string &file);
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/// Check if a file exists
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bool exists(const std::string& file) const;
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Ogre::DataStreamPtr getFile(const std::string& file);
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/// Get a list of all files
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const FileList &getList() const // FIXME
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{ return mFiles; }
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};
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}
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#endif
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