/// <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);
if (Format == 0x0C)
{
bw.WriteInt64(0x18);
}
else if (Format == 0x70)
{
bw.WriteInt64(0x1C);
}
else
{
bw.WriteInt64(0x24);
}
bw.ReserveInt64("DataStart");
bw.WriteBoolean(Unicode);
bw.WriteByte(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++)
{
Files[i].Write(bw, i, Format);
}
for (int i = 0; i < Files.Count; i++)
{
File file = Files[i];
bw.FillInt32($"FileName{i}", (int)bw.Position);
if (Unicode)
{
bw.WriteUTF16(file.Name, true);
}
else
{
bw.WriteShiftJIS(file.Name, true);
}
}
if (Extended == 4)
{
uint groupCount = 0;
for (uint p = (uint)Files.Count / 7; p <= 100000; p++)
{
if (SFUtil.IsPrime(p))
{
groupCount = p;
break;
}
}
if (groupCount == 0)
{
throw new InvalidOperationException("Hash group count not determined in BND4.");
}
var hashLists = new List <PathHash> [groupCount];
for (int i = 0; i < groupCount; i++)
{
hashLists[i] = new List <PathHash>();
}
for (int i = 0; i < Files.Count; i++)
{
var pathHash = new PathHash(i, Files[i].Name);
uint group = pathHash.Hash % groupCount;
hashLists[group].Add(pathHash);
}
for (int i = 0; i < groupCount; i++)
{
hashLists[i].Sort((ph1, ph2) => ph1.Hash.CompareTo(ph2.Hash));
}
var hashGroups = new List <HashGroup>();
var pathHashes = new List <PathHash>();
int count = 0;
foreach (List <PathHash> hashList in hashLists)
{
int index = count;
foreach (PathHash pathHash in hashList)
{
pathHashes.Add(pathHash);
count++;
}
hashGroups.Add(new HashGroup(index, count - index));
}
bw.Pad(0x8);
bw.FillInt64("HashGroups", bw.Position);
bw.ReserveInt64("PathHashes");
bw.WriteUInt32(groupCount);
bw.WriteInt32(0x00080810);
foreach (HashGroup hashGroup in hashGroups)
{
hashGroup.Write(bw);
}
// No padding after section 1
bw.FillInt64("PathHashes", bw.Position);
foreach (PathHash pathHash in pathHashes)
{
pathHash.Write(bw);
}
}
bw.FillInt64("DataStart", bw.Position);
for (int i = 0; i < Files.Count; i++)
{
File file = Files[i];
if (file.Bytes.LongLength > 0)
{
bw.Pad(0x10);
}
bw.FillInt32($"FileData{i}", (int)bw.Position);
byte[] bytes = file.Bytes;
int compressedSize = bytes.Length;
if (file.Flags == 0x03 || file.Flags == 0xC0)
{
compressedSize = SFUtil.WriteZlib(bw, 0x9C, bytes);
}
else
{
bw.WriteBytes(bytes);
}
bw.FillInt64($"CompressedSize{i}", bytes.Length);
}
}
internal void Write(BinaryWriterEx bw, List <BinderFile> files)
{
bw.BigEndian = BigEndian;
bw.WriteASCII("BHF4");
bw.WriteBoolean(Flag1);
bw.WriteBoolean(Flag2);
bw.WriteByte(0);
bw.WriteByte(0);
bw.WriteInt32(0x10000);
bw.WriteInt32(files.Count);
bw.WriteInt64(0x40);
bw.WriteFixStr(Timestamp, 8);
bw.WriteInt64(Binder.FileHeaderSize(Format));
bw.WriteInt64(0);
bw.WriteBoolean(Unicode);
bw.WriteByte((byte)Format);
bw.WriteByte(Extended);
bw.WriteByte(0);
bw.WriteInt32(0);
if (Extended == 4)
{
bw.ReserveInt64("HashGroups");
}
else
{
bw.WriteInt64(0);
}
for (int i = 0; i < files.Count; i++)
{
FileHeader.Write(bw, files[i], i, Format);
}
for (int i = 0; i < files.Count; i++)
{
BinderFile file = files[i];
bw.FillUInt32($"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 BXF4.");
}
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);
}
}
}
public static void Write(BinaryWriterEx bw, List <BinderFileHeader> files)
{
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("Could not determine hash group count.");
}
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.ReserveInt64("HashesOffset");
bw.WriteUInt32(groupCount);
bw.WriteByte(0x10);
bw.WriteByte(8);
bw.WriteByte(8);
bw.WriteByte(0);
foreach (HashGroup hashGroup in hashGroups)
{
hashGroup.Write(bw);
}
bw.FillInt64("HashesOffset", bw.Position);
foreach (PathHash pathHash in pathHashes)
{
pathHash.Write(bw);
}
}