internal static List <BinderFileHeader> ReadBHFHeader(IBXF4 bxf, BinaryReaderEx br)
{
br.AssertASCII("BHF4");
bxf.Unk04 = br.ReadBoolean();
bxf.Unk05 = br.ReadBoolean();
br.AssertByte(0);
br.AssertByte(0);
br.AssertByte(0);
bxf.BigEndian = br.ReadBoolean();
bxf.BitBigEndian = !br.ReadBoolean();
br.AssertByte(0);
br.BigEndian = bxf.BigEndian;
int fileCount = br.ReadInt32();
br.AssertInt64(0x40); // Header size
bxf.Version = br.ReadFixStr(8);
long fileHeaderSize = br.ReadInt64();
br.AssertInt64(0);
bxf.Unicode = br.ReadBoolean();
bxf.Format = Binder.ReadFormat(br, bxf.BitBigEndian);
bxf.Extended = br.AssertByte(0, 4);
br.AssertByte(0);
if (fileHeaderSize != Binder.GetBND4FileHeaderSize(bxf.Format))
{
throw new FormatException($"File header size for format {bxf.Format} is expected to be 0x{Binder.GetBND4FileHeaderSize(bxf.Format):X}, but was 0x{fileHeaderSize:X}");
}
br.AssertInt32(0);
if (bxf.Extended == 4)
{
long hashGroupsOffset = br.ReadInt64();
br.StepIn(hashGroupsOffset);
BinderHashTable.Assert(br);
br.StepOut();
}
else
{
br.AssertInt64(0);
}
var fileHeaders = new List <BinderFileHeader>(fileCount);
for (int i = 0; i < fileCount; i++)
{
fileHeaders.Add(BinderFileHeader.ReadBinder4FileHeader(br, bxf.Format, bxf.BitBigEndian, bxf.Unicode));
}
return(fileHeaders);
}
internal static void WriteHeader(IBND4 bnd, BinaryWriterEx bw, List <BinderFileHeader> fileHeaders)
{
bw.BigEndian = bnd.BigEndian;
bw.WriteASCII("BND4");
bw.WriteBoolean(bnd.Unk04);
bw.WriteBoolean(bnd.Unk05);
bw.WriteByte(0);
bw.WriteByte(0);
bw.WriteByte(0);
bw.WriteBoolean(bnd.BigEndian);
bw.WriteBoolean(!bnd.BitBigEndian);
bw.WriteByte(0);
bw.WriteInt32(fileHeaders.Count);
bw.WriteInt64(0x40);
bw.WriteFixStr(bnd.Version, 8);
bw.WriteInt64(Binder.GetBND4FileHeaderSize(bnd.Format));
bw.ReserveInt64("HeadersEnd");
bw.WriteBoolean(bnd.Unicode);
Binder.WriteFormat(bw, bnd.BitBigEndian, bnd.Format);
bw.WriteByte(bnd.Extended);
bw.WriteByte(0);
bw.WriteInt32(0);
bw.ReserveInt64("HashTableOffset");
for (int i = 0; i < fileHeaders.Count; i++)
{
fileHeaders[i].WriteBinder4FileHeader(bw, bnd.Format, bnd.BitBigEndian, i);
}
for (int i = 0; i < fileHeaders.Count; i++)
{
fileHeaders[i].WriteFileName(bw, bnd.Format, bnd.Unicode, i);
}
if (bnd.Extended == 4)
{
bw.Pad(0x8);
bw.FillInt64("HashTableOffset", bw.Position);
BinderHashTable.Write(bw, fileHeaders);
}
else
{
bw.FillInt64("HashTableOffset", 0);
}
bw.FillInt64("HeadersEnd", bw.Position);
}