public static async Task <FileMetadata> Load(IBinaryDataAccessor data, IvfcLevelHeader header, long offsetFromMetadataTable)
{
var offset = header.FileMetadataTableOffset + offsetFromMetadataTable;
var metadata = new FileMetadata(data, header);
metadata.ContainingDirectoryOffset = await data.ReadInt32Async(offset + 0);
metadata.NextSiblingFileOffset = await data.ReadInt32Async(offset + 4);
metadata.FileDataOffset = await data.ReadInt64Async(offset + 8);
metadata.FileDataLength = await data.ReadInt64Async(offset + 0x10);
metadata.NextFileOffset = await data.ReadInt32Async(offset + 0x18);
metadata.NameLength = await data.ReadInt32Async(offset + 0x1C);
if (metadata.NameLength > 0)
{
metadata.Name = Encoding.Unicode.GetString(await data.ReadArrayAsync(offset + 0x20, Math.Min(metadata.NameLength, MaxFilenameLength)));
}
return(metadata);
}
public IvfcLevel(IBinaryDataAccessor data, IvfcLevelHeader header)
{
LevelData = data ?? throw new ArgumentNullException(nameof(data));
Header = header ?? throw new ArgumentNullException(nameof(header));
}
public static async Task <DirectoryMetadata> Load(IBinaryDataAccessor data, IvfcLevelHeader header, int offsetOffDirTable)
{
var offset = header.DirectoryMetadataTableOffset + offsetOffDirTable;
var metadata = new DirectoryMetadata(data, header);
metadata.ParentDirectoryOffset = await data.ReadInt32Async(offset + 0);
metadata.SiblingDirectoryOffset = await data.ReadInt32Async(offset + 4);
metadata.FirstChildDirectoryOffset = await data.ReadInt32Async(offset + 8);
metadata.FirstFileOffset = await data.ReadInt32Async(offset + 0xC);
metadata.NextDirectoryOffset = await data.ReadInt32Async(offset + 0x10);
metadata.NameLength = await data.ReadInt32Async(offset + 0x14);
if (metadata.NameLength > 0)
{
metadata.Name = Encoding.Unicode.GetString(await data.ReadArrayAsync(offset + 0x18, Math.Min(metadata.NameLength, MaxFilenameLength)));
}
await Task.WhenAll(
metadata.LoadChildDirectories(),
metadata.LoadChildFiles()
);
return(metadata);
}
public DirectoryMetadata(IBinaryDataAccessor data, IvfcLevelHeader header)
{
LevelData = data ?? throw new ArgumentNullException(nameof(data));
IvfcLevelHeader = header ?? throw new ArgumentNullException(nameof(data));
}
public FileMetadata(IReadOnlyBinaryDataAccessor data, IvfcLevelHeader header)
{
LevelData = data ?? throw new ArgumentNullException(nameof(data));
Header = header ?? throw new ArgumentNullException(nameof(header));
}
