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 static int CalculateFolderOffset(IBigFileVersion version, ref BigFileSegmentHeader segmentHeader, ref BigFileHeaderStruct header)
{
if (version == null)
{
throw new NullReferenceException("There's no version! Can't calculate folder offset!");
}
IBigFileFileInfo tmpFileInfo = version.CreateFileInfo();
int baseSize = (segmentHeader.InfoOffset + header.StructSize) + (header.Files * tmpFileInfo.StructSize);
baseSize = (((baseSize - 1) / 8) + 1) * 8; // align to 8 bytes
return(baseSize);
}
public static int CalculateDataOffset(IBigFileVersion version, ref BigFileSegmentHeader segmentHeader, ref BigFileHeaderStruct header)
{
if (version == null)
{
throw new NullReferenceException("There's no version! Can't calculate data offset!");
}
IBigFileFolderInfo tmpFolderInfo = version.CreateFolderInfo();
int folderOffset = CalculateFolderOffset(version, ref segmentHeader, ref header);
int dataOffset = folderOffset + (header.Folders * tmpFolderInfo.StructSize);
dataOffset = (((dataOffset - 1) / 8) + 1) * 8; // align to 8 bytes;
return(dataOffset);
}
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");
}
public static void DebugLogVersion(IBigFileVersion version, ILogProxy log)
{
log.Debug(" >BigFileVersion:");
log.Debug(" Identifier: {0}", version.Identifier);
log.Debug(" VersionName: {0}", version.VersionName);
}
