public SaveDataFile(AllocationTableStorage baseStorage, long offset, long size, OpenMode mode)
{
Mode = mode;
BaseStorage = baseStorage;
Offset = offset;
Size = size;
}
public SaveDataFile(AllocationTableStorage baseStorage, string path, HierarchicalSaveFileTable fileTable, long size, OpenMode mode)
{
Mode = mode;
BaseStorage = baseStorage;
Path = path;
FileTable = fileTable;
Size = size;
}
public SaveDataFileSystemCore(IStorage storage, IStorage allocationTable, IStorage header)
{
HeaderStorage = header;
BaseStorage = storage;
AllocationTable = new AllocationTable(allocationTable, header.Slice(0x18, 0x30));
Header = new SaveHeader(HeaderStorage);
AllocationTableStorage dirTableStorage = OpenFatStorage(AllocationTable.Header.DirectoryTableBlock);
AllocationTableStorage fileTableStorage = OpenFatStorage(AllocationTable.Header.FileTableBlock);
FileTable = new HierarchicalSaveFileTable(dirTableStorage, fileTableStorage);
}
public IFile OpenFile(string path, OpenMode mode)
{
path = PathTools.Normalize(path);
if (!FileTable.TryOpenFile(path, out SaveFileInfo file))
{
ThrowHelper.ThrowResult(ResultFs.PathNotFound);
}
AllocationTableStorage storage = OpenFatStorage(file.StartBlock);
return(new SaveDataFile(storage, path, FileTable, file.Length, mode));
}
public SaveDataFileSystemCore(IStorage storage, IStorage allocationTable, IStorage header)
{
HeaderStorage = header;
BaseStorage = storage;
AllocationTable = new AllocationTable(allocationTable, header.Slice(0x18, 0x30));
Header = new SaveHeader(HeaderStorage);
// todo: Query the FAT for the file size when none is given
AllocationTableStorage dirTableStorage = OpenFatBlock(AllocationTable.Header.DirectoryTableBlock, 1000000);
AllocationTableStorage fileTableStorage = OpenFatBlock(AllocationTable.Header.FileTableBlock, 1000000);
FileTable = new HierarchicalSaveFileTable(dirTableStorage, fileTableStorage);
}
public IFile OpenFile(string path, OpenMode mode)
{
path = PathTools.Normalize(path);
if (!FileDictionary.TryGetValue(path, out SaveFileEntry file))
{
throw new FileNotFoundException();
}
if (file.BlockIndex < 0)
{
return(new NullFile());
}
AllocationTableStorage storage = OpenFatBlock(file.BlockIndex, file.FileSize);
return(new SaveDataFile(storage, 0, file.FileSize, mode));
}
public IFile OpenFile(string path, OpenMode mode)
{
path = PathTools.Normalize(path);
if (!FileTable.TryOpenFile(path, out SaveFileInfo file))
{
throw new FileNotFoundException();
}
if (file.StartBlock < 0)
{
return(new NullFile());
}
AllocationTableStorage storage = OpenFatBlock(file.StartBlock, file.Length);
return(new SaveDataFile(storage, 0, file.Length, mode));
}
private void ReadFileInfo()
{
// todo: Query the FAT for the file size when none is given
AllocationTableStorage dirTableStream = OpenFatBlock(AllocationTable.Header.DirectoryTableBlock, 1000000);
AllocationTableStorage fileTableStream = OpenFatBlock(AllocationTable.Header.FileTableBlock, 1000000);
SaveDirectoryEntry[] dirEntries = ReadDirEntries(dirTableStream);
SaveFileEntry[] fileEntries = ReadFileEntries(fileTableStream);
foreach (SaveDirectoryEntry dir in dirEntries)
{
if (dir.NextSiblingIndex != 0)
{
dir.NextSibling = dirEntries[dir.NextSiblingIndex];
}
if (dir.FirstChildIndex != 0)
{
dir.FirstChild = dirEntries[dir.FirstChildIndex];
}
if (dir.FirstFileIndex != 0)
{
dir.FirstFile = fileEntries[dir.FirstFileIndex];
}
if (dir.NextInChainIndex != 0)
{
dir.NextInChain = dirEntries[dir.NextInChainIndex];
}
if (dir.ParentDirIndex != 0 && dir.ParentDirIndex < dirEntries.Length)
{
dir.ParentDir = dirEntries[dir.ParentDirIndex];
}
}
foreach (SaveFileEntry file in fileEntries)
{
if (file.NextSiblingIndex != 0)
{
file.NextSibling = fileEntries[file.NextSiblingIndex];
}
if (file.NextInChainIndex != 0)
{
file.NextInChain = fileEntries[file.NextInChainIndex];
}
if (file.ParentDirIndex != 0 && file.ParentDirIndex < dirEntries.Length)
{
file.ParentDir = dirEntries[file.ParentDirIndex];
}
}
RootDirectory = dirEntries[2];
SaveFileEntry fileChain = fileEntries[1].NextInChain;
var files = new List <SaveFileEntry>();
while (fileChain != null)
{
files.Add(fileChain);
fileChain = fileChain.NextInChain;
}
SaveDirectoryEntry dirChain = dirEntries[1].NextInChain;
var dirs = new List <SaveDirectoryEntry>();
while (dirChain != null)
{
dirs.Add(dirChain);
dirChain = dirChain.NextInChain;
}
Files = files.ToArray();
Directories = dirs.ToArray();
SaveFsEntry.ResolveFilenames(Files);
SaveFsEntry.ResolveFilenames(Directories);
}
