/// <summary>
/// Deserializes a BIN archive.
/// </summary>
/// <param name="source">BIN archive as BinaryFormat.</param>
/// <returns>The NodeContainerFormat.</returns>
public NodeContainerFormat Convert(BinaryFormat source)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (source.Stream.Length < 0x10)
{
throw new FormatException("Not a valid BIN file.");
}
source.Stream.Seek(0);
var reader = new DataReader(source.Stream)
{
Endianness = _params.Endianness,
};
BinFileHeader header = reader.Read <BinFileHeader>();
if (header.MagicNumber != 0x00077DF9)
{
throw new FormatException($"Unrecognized file magic number: {header.MagicNumber:X8}");
}
NodeContainerFormat result = new ();
for (int i = 0; i < header.FileCount; i++)
{
string fileSubPath = string.Empty;
string fileName = $"{i + 1:0000}";
if (_params.FileNames.Count > 0 && i < _params.FileNames.Count)
{
string[] path = _params.FileNames[i].Split('/');
fileSubPath = string.Join('/', path[0..^ 1]);
/// <summary>
/// Serializes a BIN archive.
/// </summary>
/// <param name="source">Collection of files as NodeContainerFormat.</param>
/// <returns>The BinaryFormat.</returns>
public BinaryFormat Convert(NodeContainerFormat source)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (source.Root.Children.Count == 0)
{
throw new FormatException("No files selected.");
}
_params.Stream ??= DataStreamFactory.FromMemory();
_params.Stream.Seek(0);
var writer = new DataWriter(_params.Stream)
{
Endianness = _params.Endianness,
};
if (_params.BlockSize == 0)
{
_params.BlockSize = 0x800;
}
BinFileHeader header = new BinFileHeader
{
MagicNumber = 0x00077DF9,
BlockSize = _params.BlockSize,
FileCount = source.Root.Children.Count,
Padding = 0,
};
writer.WriteOfType(header);
int headerSize = 0x10 + (header.FileCount * 0x10);
writer.Stream.SetLength(headerSize);
for (int i = 0; i < source.Root.Children.Count; i++)
{
Node node = source.Root.Children[i];
writer.Stream.Seek(0, SeekOrigin.End);
writer.WritePadding(0x00, header.BlockSize);
long startBlock = writer.Stream.Position / header.BlockSize;
writer.Stream.Seek(0x10 + (i * 0x10), SeekOrigin.Begin);
writer.Write(startBlock);
FileType type = node.Tags["Type"];
switch (type)
{
case FileType.Empty:
writer.Write(0); // size
writer.Write(0); // inflated size
break;
case FileType.Dummy:
writer.Write(0x70); // size
writer.Write(0x835F837E); // inflated size
writer.Stream.Seek(0, SeekOrigin.End);
writer.Write(_dummy);
break;
case FileType.Normal:
writer.Write((int)node.Stream.Length); // size
writer.Write(0); // inflated size
writer.Stream.Seek(0, SeekOrigin.End);
node.Stream.WriteTo(writer.Stream);
break;
case FileType.Compressed:
writer.Write((int)node.Stream.Length); // size
writer.Write((int)node.Tags["InflatedSize"]); // inflated size
writer.Stream.Seek(0, SeekOrigin.End);
node.Stream.WriteTo(writer.Stream);
break;
case FileType.CompressedAlternateEndian:
var alternateEndianness = _params.Endianness == EndiannessMode.BigEndian ? EndiannessMode.LittleEndian : EndiannessMode.BigEndian;
writer.Write((int)node.Stream.Length); // size
writer.Endianness = alternateEndianness;
writer.Write((int)node.Tags["InflatedSize"]); // inflated size
writer.Endianness = _params.Endianness;
writer.Stream.Seek(0, SeekOrigin.End);
node.Stream.WriteTo(writer.Stream);
break;
default:
throw new FormatException($"Unsupported file type: {type}");
}
}
return(new BinaryFormat(_params.Stream));
}
