public Farc(byte[] data)
{
using var accessor = new BinaryFile(data);
Magic = accessor.ReadInt32(0);
UnknownHeaderData = accessor.ReadArray(4, 0x1C);
FarcVersion = accessor.ReadInt32(0x20);
if (FarcVersion != 5)
{
throw new NotSupportedException("Only FARC version 5 is supported");
}
var fatOffset = accessor.ReadInt32(0x24);
var fatLength = accessor.ReadInt32(0x28);
var dataOffset = accessor.ReadInt32(0x2C);
var dataLength = accessor.ReadInt32(0x30);
var fat = new FarcFat(data, fatOffset, fatLength);
var files = new ConcurrentDictionary <uint, byte[]>();
foreach (var file in fat.Entries)
{
files[file.Hash] = accessor.ReadArray(dataOffset + file.DataOffset, file.DataLength);
}
Files = files;
}
public byte[] ToByteArray()
{
var file = new BinaryFile(new byte[Entries.Count * EntrySize]);
long offset = 0;
foreach (var entry in Entries.ToImmutableSortedDictionary())
{
entry.Value.Write(file.Slice(offset, EntrySize));
offset += EntrySize;
}
return(file.ReadArray());
}