mirror of https://github.com/OpenMW/openmw.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
135 lines
3.9 KiB
C++
135 lines
3.9 KiB
C++
/*
|
|
OpenMW - The completely unofficial reimplementation of Morrowind
|
|
Copyright (C) 2008-2010 Nicolay Korslund
|
|
Email: < korslund@gmail.com >
|
|
WWW: http://openmw.sourceforge.net/
|
|
|
|
This file (compressedbsafile.hpp) is part of the OpenMW package.
|
|
|
|
OpenMW is distributed as free software: you can redistribute it
|
|
and/or modify it under the terms of the GNU General Public License
|
|
version 3, as published by the Free Software Foundation.
|
|
|
|
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
|
|
version 3 along with this program. If not, see
|
|
http://www.gnu.org/licenses/ .
|
|
|
|
Compressed BSA stuff added by cc9cii 2018
|
|
|
|
*/
|
|
|
|
#ifndef BSA_COMPRESSED_BSA_FILE_H
|
|
#define BSA_COMPRESSED_BSA_FILE_H
|
|
|
|
#include <limits>
|
|
#include <map>
|
|
|
|
#include <components/bsa/bsa_file.hpp>
|
|
#include <filesystem>
|
|
|
|
namespace Bsa
|
|
{
|
|
class CompressedBSAFile : private BSAFile
|
|
{
|
|
private:
|
|
enum ArchiveFlags
|
|
{
|
|
ArchiveFlag_FolderNames = 0x0001,
|
|
ArchiveFlag_FileNames = 0x0002,
|
|
ArchiveFlag_Compress = 0x0004,
|
|
ArchiveFlag_RetainDir = 0x0008,
|
|
ArchiveFlag_RetainName = 0x0010,
|
|
ArchiveFlag_RetainFileOffset = 0x0020,
|
|
ArchiveFlag_Xbox360 = 0x0040,
|
|
ArchiveFlag_StartUpStr = 0x0080,
|
|
ArchiveFlag_EmbeddedNames = 0x0100,
|
|
ArchiveFlag_XMem = 0x0200,
|
|
};
|
|
|
|
enum Version
|
|
{
|
|
Version_TES4 = 0x67,
|
|
Version_FO3 = 0x68,
|
|
Version_SSE = 0x69,
|
|
};
|
|
|
|
enum FileFlags
|
|
{
|
|
FileFlag_NIF = 0x001,
|
|
FileFlag_DDS = 0x002,
|
|
FileFlag_XML = 0x004,
|
|
FileFlag_WAV = 0x008,
|
|
FileFlag_MP3 = 0x010,
|
|
FileFlag_TXT = 0x020, // TXT, HTML, BAT, SCC
|
|
FileFlag_SPT = 0x040,
|
|
FileFlag_FNT = 0x080, // TEX, FNT
|
|
FileFlag_MISC = 0x100, // CTL and others
|
|
};
|
|
|
|
enum FileSizeFlags
|
|
{
|
|
FileSizeFlag_Compression = 0x40000000,
|
|
};
|
|
|
|
struct Header
|
|
{
|
|
std::uint32_t mFormat;
|
|
std::uint32_t mVersion;
|
|
std::uint32_t mFoldersOffset;
|
|
std::uint32_t mFlags;
|
|
std::uint32_t mFolderCount;
|
|
std::uint32_t mFileCount;
|
|
std::uint32_t mFolderNamesLength;
|
|
std::uint32_t mFileNamesLength;
|
|
std::uint32_t mFileFlags;
|
|
};
|
|
|
|
Header mHeader;
|
|
|
|
struct FileRecord
|
|
{
|
|
std::uint64_t mHash;
|
|
std::vector<char> mName;
|
|
std::uint32_t mSize{ 0u };
|
|
std::uint32_t mOffset{ std::numeric_limits<uint32_t>::max() };
|
|
};
|
|
|
|
struct FolderRecord
|
|
{
|
|
std::uint32_t mCount;
|
|
std::int64_t mOffset;
|
|
std::map<std::uint64_t, FileRecord> mFiles;
|
|
};
|
|
|
|
std::map<std::uint64_t, FolderRecord> mFolders;
|
|
|
|
FileRecord getFileRecord(const std::string& str) const;
|
|
|
|
/// \brief Normalizes given filename or folder and generates format-compatible hash.
|
|
static std::uint64_t generateHash(const std::filesystem::path& stem, std::string extension);
|
|
Files::IStreamPtr getFile(const FileRecord& fileRecord);
|
|
|
|
public:
|
|
using BSAFile::getFilename;
|
|
using BSAFile::getList;
|
|
using BSAFile::open;
|
|
|
|
CompressedBSAFile() = default;
|
|
virtual ~CompressedBSAFile() = default;
|
|
|
|
/// Read header information from the input source
|
|
void readHeader() override;
|
|
|
|
Files::IStreamPtr getFile(const char* filePath);
|
|
Files::IStreamPtr getFile(const FileStruct* fileStruct);
|
|
void addFile(const std::string& filename, std::istream& file);
|
|
};
|
|
}
|
|
|
|
#endif
|