public IBigFileFolderInfo[] ReadFolderInfos(Stream stream, ref BigFileSegmentHeader segmentHeader, ref BigFileHeaderStruct header)
{
if (version == null)
{
throw new NullReferenceException("Version cannot be null!");
}
log.Info("Reading big file folders, count: {0}", header.Folders);
BigFileVersions.DebugLogVersion(version, log);
diag.StartStopwatch();
IBigFileFolderInfo[] infos = new IBigFileFolderInfo[header.Folders];
IBigFileFolderInfo tmpInfo = version.CreateFolderInfo();
int folderOffset = BigFileUtil.CalculateFolderOffset(version, ref segmentHeader, ref header);
byte[] buffer = buffers[tmpInfo.StructSize];
stream.Seek(folderOffset, SeekOrigin.Begin);
for (short i = 0; i < header.Folders; i++)
{
stream.Read(buffer, 0, tmpInfo.StructSize);
infos[i] = tmpInfo.FromBytes(buffer);
infos[i].DebugLog(log);
}
log.Info("Folder infos read! Time taken: {0}ms", diag.StopwatchTime);
return(infos);
}
public IBigFileFileInfo[] ReadFileInfos(Stream stream, ref BigFileSegmentHeader segmentHeader, ref BigFileHeaderStruct header)
{
if (version == null)
{
throw new NullReferenceException("Version cannot be null!");
}
log.Info("Reading big file file infos, count: {0}", header.Files);
BigFileVersions.DebugLogVersion(version, log);
diag.StartStopwatch();
IBigFileFileInfo[] infos = new IBigFileFileInfo[header.Files];
IBigFileFileInfo tmpInfo = version.CreateFileInfo();
int fileOffset = segmentHeader.InfoOffset + header.StructSize;
log.Debug("File info offset: {0:X8}", fileOffset);
byte[] buffer = buffers[tmpInfo.StructSize];
stream.Seek(fileOffset, SeekOrigin.Begin);
for (int i = 0; i < header.Files; i++)
{
stream.Read(buffer, 0, tmpInfo.StructSize);
infos[i] = tmpInfo.FromBytes(buffer);
infos[i].DebugLog(log);
}
log.Info("File infos read! Time taken: {0}ms", diag.StopwatchTime);
log.Info("File count: {0}", header.Files);
return(infos);
}
public override void LoadFromDisk()
{
status.stopwatch.Reset();
status.stopwatch.Start();
status.UpdateProgress(0f);
log.Info("Loading unpacked bigfile from disk...");
UnpackedFileKeyMappingFile mappingFile = new UnpackedFileKeyMappingFile(new DirectoryInfo(fileOrDirectory));
renamedMapping = mappingFile.LoadMappingData();
status.UpdateProgress(0.2f);
SegmentHeader = segment.ReadSegmentHeader();
FileHeader = header.ReadHeader(ref SegmentHeader);
log.Info(string.Format("Count info offset: {0:X8}", SegmentHeader.InfoOffset));
version = BigFileVersions.GetVersion(FileHeader.BigFileVersion);
fileUtil.BigFileVersion = version;
filesAndFolders.Version = version;
log.Info(string.Format("Version: {0:X4}", FileHeader.BigFileVersion));
rawFolderInfos = filesAndFolders.ReadFolderInfos(ref SegmentHeader, ref FileHeader);
rawFileInfos = filesAndFolders.ReadFileInfos(ref SegmentHeader, ref FileHeader);
fileUtil.BigFileVersion = version;
filesAndFolders.Version = version;
status.UpdateProgress(0.4f);
rootFolder = fileUtil.CreateRootFolderTree(rawFolderInfos);
fileMap = fileUtil.CreateFileMappingData(rootFolder, rawFileInfos);
fileUtil.MapFilesToFolders(rootFolder, fileMap);
UnpackedFolderMapAndFilesList folderAndFiles = fileUtil.CreateFolderTreeAndFilesListFromDirectory(new DirectoryInfo(directory.FullName + "\\" + BigFileConst.UNPACK_DIR), renamedMapping, fileMap);
rootFolder = folderAndFiles.folderMap[0];
rawFileInfos = folderAndFiles.filesList;
rawFolderInfos = folderAndFiles.foldersList;
status.UpdateProgress(0.6f);
fileMap = fileUtil.CreateFileMappingData(folderAndFiles.folderMap[0], folderAndFiles.filesList);
status.UpdateProgress(0.8f);
fileUtil.MapFilesToFolders(rootFolder, fileMap);
status.UpdateProgress(1.0f);
status.stopwatch.Stop();
log.Info("Unpacked bigfile loaded!");
log.Info(" Time taken: " + status.TimeTaken + "ms");
}
public override void LoadFromDisk()
{
status.stopwatch.Reset();
status.stopwatch.Start();
status.UpdateProgress(0f);
log.Info("Loading big file into memory: " + fileInfo.FullName);
SegmentHeader = segment.ReadSegmentHeader();
FileHeader = header.ReadHeader(ref SegmentHeader);
log.Info("Header and count info read");
version = BigFileVersions.GetVersion(FileHeader.BigFileVersion);
status.UpdateProgress(0.2f);
fileUtil.BigFileVersion = version;
filesAndFolders.Version = version;
log.Info(string.Format("Version: {0:X4}", FileHeader.BigFileVersion));
log.Info(string.Format("Data Offset: {0:X4}", fileUtil.CalculateDataOffset(ref SegmentHeader, ref FileHeader)));
rawFolderInfos = filesAndFolders.ReadFolderInfos(ref SegmentHeader, ref FileHeader);
rawFileInfos = filesAndFolders.ReadFileInfos(ref SegmentHeader, ref FileHeader);
log.Info("Creating folder tree and file mappings...");
status.UpdateProgress(0.4f);
rootFolder = fileUtil.CreateRootFolderTree(rawFolderInfos);
status.UpdateProgress(0.6f);
fileMap = fileUtil.CreateFileMappingData(rootFolder, rawFileInfos);
status.UpdateProgress(0.8f);
fileUtil.MapFilesToFolders(rootFolder, fileMap);
status.UpdateProgress(1f);
status.stopwatch.Stop();
log.Info("Bigfile loaded!");
fileUtil.diagData.DebugLog(log);
log.Info("Time taken: " + status.TimeTaken + "ms");
}
