private static void WriteFileHeader(BinderFile file, BinaryWriterEx bw, int index, Binder.Format format)
{
bw.WriteByte((byte)file.Flags);
bw.WriteByte(0);
bw.WriteByte(0);
bw.WriteByte(0);
bw.ReserveInt32($"CompressedSize{index}");
bw.ReserveUInt32($"FileData{index}");
if (Binder.HasID(format))
{
bw.WriteInt32(file.ID);
}
if (Binder.HasName(format))
{
bw.ReserveUInt32($"FileName{index}");
}
if (Binder.HasUncompressedSize(format))
{
bw.WriteInt32(file.Bytes.Length);
}
}
private void Write(BinaryWriterEx bhdWriter, BinaryWriterEx bdtWriter)
{
bhdWriter.WriteASCII("BHF3");
bhdWriter.WriteFixStr(BHDTimestamp, 8);
bhdWriter.WriteByte((byte)Format);
bhdWriter.WriteByte(0);
bhdWriter.WriteByte(0);
bhdWriter.WriteByte(0);
bhdWriter.BigEndian = Binder.ForceBigEndian(Format);
bhdWriter.WriteInt32(Files.Count);
bhdWriter.WriteInt32(0);
bhdWriter.WriteInt32(0);
bhdWriter.WriteInt32(0);
bdtWriter.WriteASCII("BDF3");
bdtWriter.WriteFixStr(BDTTimestamp, 8);
bdtWriter.WriteInt32(0);
for (int i = 0; i < Files.Count; i++)
{
BinderFile file = Files[i];
bhdWriter.WriteByte(0x40);
bhdWriter.WriteByte(0);
bhdWriter.WriteByte(0);
bhdWriter.WriteByte(0);
bhdWriter.WriteInt32(file.Bytes.Length);
bhdWriter.WriteUInt32((uint)bdtWriter.Position);
bhdWriter.WriteInt32(i);
bhdWriter.ReserveUInt32($"FileName{i}");
if (Binder.HasUncompressedSize(Format))
{
bhdWriter.WriteInt32(file.Bytes.Length);
}
bdtWriter.WriteBytes(file.Bytes);
bdtWriter.Pad(0x10);
}
for (int i = 0; i < Files.Count; i++)
{
BinderFile file = Files[i];
bhdWriter.FillUInt32($"FileName{i}", (uint)bhdWriter.Position);
bhdWriter.WriteShiftJIS(file.Name, true);
}
}
private static void WriteFileData(BinderFile file, BinaryWriterEx bw, int index)
{
if (file.Bytes.Length > 0)
{
bw.Pad(0x10);
}
bw.FillUInt32($"FileData{index}", (uint)bw.Position);
int compressedSize = file.Bytes.Length;
if (Binder.IsCompressed(file.Flags))
{
compressedSize = SFUtil.WriteZlib(bw, 0x9C, file.Bytes);
}
else
{
bw.WriteBytes(file.Bytes);
}
bw.FillInt32($"CompressedSize{index}", compressedSize);
}
private static void WriteFileName(BinderFile file, BinaryWriterEx bw, int index)
{
bw.FillUInt32($"FileName{index}", (uint)bw.Position);
bw.WriteShiftJIS(file.Name, true);
}
internal BinderFileHeader(BinderFile file) : this(file.Flags, file.ID, file.Name, -1, -1, -1)
{
CompressionType = file.CompressionType;
}
/// <summary>
/// Writes BND4 data to a BinaryWriterEx.
/// </summary>
internal override void Write(BinaryWriterEx bw)
{
bw.BigEndian = BigEndian;
bw.WriteASCII("BND4");
bw.WriteBoolean(Flag1);
bw.WriteBoolean(Flag2);
bw.WriteByte(0);
bw.WriteByte(0);
bw.WriteInt32(0x10000);
bw.WriteInt32(Files.Count);
bw.WriteInt64(0x40);
bw.WriteFixStr(Timestamp, 8);
bw.WriteInt64(Binder.FileHeaderSize(Format));
bw.ReserveInt64("DataStart");
bw.WriteBoolean(Unicode);
bw.WriteByte((byte)Format);
bw.WriteByte(Extended);
bw.WriteByte(0);
bw.WriteInt32(0);
if (Extended == 4)
{
bw.ReserveInt64("HashGroups");
}
else
{
bw.WriteInt64(0);
}
for (int i = 0; i < Files.Count; i++)
{
WriteFile(Files[i], bw, i, Format);
}
if (Binder.HasName(Format))
{
for (int i = 0; i < Files.Count; i++)
{
BinderFile file = Files[i];
bw.FillUInt32($"FileName{i}", (uint)bw.Position);
if (Unicode)
{
bw.WriteUTF16(file.Name, true);
}
else
{
bw.WriteShiftJIS(file.Name, true);
}
}
}
if (Extended == 4)
{
uint groupCount = 0;
for (uint p = (uint)Files.Count / 7; p <= 100000; p++)
{
if (SFUtil.IsPrime(p))
{
groupCount = p;
break;
}
}
if (groupCount == 0)
{
throw new InvalidOperationException("Hash group count not determined in BND4.");
}
var hashLists = new List <PathHash> [groupCount];
for (int i = 0; i < groupCount; i++)
{
hashLists[i] = new List <PathHash>();
}
for (int i = 0; i < Files.Count; i++)
{
var pathHash = new PathHash(i, Files[i].Name);
uint group = pathHash.Hash % groupCount;
hashLists[group].Add(pathHash);
}
for (int i = 0; i < groupCount; i++)
{
hashLists[i].Sort((ph1, ph2) => ph1.Hash.CompareTo(ph2.Hash));
}
var hashGroups = new List <HashGroup>();
var pathHashes = new List <PathHash>();
int count = 0;
foreach (List <PathHash> hashList in hashLists)
{
int index = count;
foreach (PathHash pathHash in hashList)
{
pathHashes.Add(pathHash);
count++;
}
hashGroups.Add(new HashGroup(index, count - index));
}
bw.Pad(0x8);
bw.FillInt64("HashGroups", bw.Position);
bw.ReserveInt64("PathHashes");
bw.WriteUInt32(groupCount);
bw.WriteInt32(0x00080810);
foreach (HashGroup hashGroup in hashGroups)
{
hashGroup.Write(bw);
}
// No padding after section 1
bw.FillInt64("PathHashes", bw.Position);
foreach (PathHash pathHash in pathHashes)
{
pathHash.Write(bw);
}
}
bw.FillInt64("DataStart", bw.Position);
for (int i = 0; i < Files.Count; i++)
{
BinderFile file = Files[i];
if (file.Bytes.LongLength > 0)
{
bw.Pad(0x10);
}
bw.FillUInt32($"FileData{i}", (uint)bw.Position);
int compressedSize = file.Bytes.Length;
if (Binder.IsCompressed(file.Flags))
{
if (Format == Binder.Format.x2E)
{
byte[] bytes = DCX.Compress(file.Bytes, DCX.Type.DemonsSoulsEDGE);
bw.WriteBytes(bytes);
compressedSize = bytes.Length;
}
else
{
compressedSize = SFUtil.WriteZlib(bw, 0x9C, file.Bytes);
}
}
else
{
bw.WriteBytes(file.Bytes);
}
bw.FillInt64($"CompressedSize{i}", compressedSize);
}
}
/// <summary>
/// Reads file data according to the given header.
/// </summary>
public byte[] ReadFile(BinderFileHeader fileHeader)
{
BinderFile file = fileHeader.ReadFileData(DataBR);
return(file.Bytes);
}
