private void PaddingSeek(BinaryReaderX br)
{
long remainder = br.BaseStream.Position % 16;
if (remainder > 0)
{
paddingChar = br.ReadByte();
br.BaseStream.Seek(-1, SeekOrigin.Current);
br.BaseStream.Seek(16 - remainder, SeekOrigin.Current);
}
}
private void ReadTXT2(BinaryReaderX br)
{
TXT2.Identifier = br.ReadBytes(4);
TXT2.SectionSize = br.ReadUInt32();
TXT2.Unknown1 = br.ReadBytes(8);
long startOfStrings = br.BaseStream.Position;
TXT2.NumberOfStrings = br.ReadUInt32();
List<UInt32> offsets = new List<UInt32>();
for (int i = 0; i < TXT2.NumberOfStrings; i++)
offsets.Add(br.ReadUInt32());
for (int i = 0; i < TXT2.NumberOfStrings; i++)
{
Entry entry = new Entry();
bool eos = false;
UInt32 nextOffset = (i + 1 < offsets.Count) ? ((UInt32)startOfStrings + offsets[i + 1]) : ((UInt32)startOfStrings + TXT2.SectionSize);
br.BaseStream.Seek(startOfStrings + offsets[i], SeekOrigin.Begin);
List<byte> result = new List<byte>();
while (!eos)
{
if (br.BaseStream.Position == nextOffset || br.BaseStream.Position == Header.FileSize)
eos = true;
else
{
byte[] unichar = br.ReadBytes(2);
if (Header.ByteOrderMark[0] == 0xFE)
Array.Reverse(unichar);
if (unichar[0] != 0x0 || unichar[1] != 0x0)
result.AddRange(unichar);
else
{
Value val = new Value();
val.Data = result.ToArray();
if (result.Count == 0)
val.Editable = false;
entry.Values.Add(val);
result.Clear();
}
}
}
// Strange extended string without null termination
if (result.Count > 1)
{
Value finalVal = new Value();
finalVal.Data = result.ToArray();
finalVal.Editable = false;
finalVal.NullTerminated = false;
entry.Values.Add(finalVal);
}
entry.Index = i;
TXT2.OriginalEntries.Add(entry);
// Duplicate entries for editing
Entry entryEdited = new Entry();
foreach (Value value in entry.Values)
{
Value val = new Value();
val.Data = value.Data;
val.Editable = value.Editable;
val.NullTerminated = value.NullTerminated;
entryEdited.Values.Add(val);
}
entryEdited.Value = entry.Value;
entryEdited.Index = entry.Index;
TXT2.Entries.Add(entryEdited);
}
PaddingSeek(br);
}
private void ReadTSY1(BinaryReaderX br)
{
TSY1.Identifier = br.ReadBytes(4);
TSY1.SectionSize = br.ReadUInt32();
TSY1.Unknown1 = br.ReadBytes(8);
TSY1.Unknown2 = br.ReadBytes((int)TSY1.SectionSize); // Read in the entire section at once since we don't know what it's for
PaddingSeek(br);
}
private void ReadATR1(BinaryReaderX br)
{
ATR1.Identifier = br.ReadBytes(4);
ATR1.SectionSize = br.ReadUInt32();
ATR1.Unknown1 = br.ReadBytes(8);
ATR1.NumberOfAttributes = br.ReadUInt32();
ATR1.Unknown2 = br.ReadBytes((int)ATR1.SectionSize - sizeof(UInt32)); // Read in the rest of the section at once since we don't know what it's for
PaddingSeek(br);
}
private void ReadLBL1(BinaryReaderX br)
{
// TODO: Continue reverse engineering the LBL1 section because the magic value below shouldn't be the end game
long offset = br.BaseStream.Position;
LBL1.Identifier = br.ReadBytes(4);
LBL1.SectionSize = br.ReadUInt32();
LBL1.Unknown1 = br.ReadBytes(8);
LBL1.Unknown2 = br.ReadBytes(8);
uint startOfLabels = 0x35C; // Magic LBL1 label start position
LBL1.Unknown3 = br.ReadBytes((int)(startOfLabels - br.BaseStream.Position));
while (br.BaseStream.Position < (offset + LBL1.Identifier.Length + sizeof(UInt32) + LBL1.Unknown1.Length + LBL1.SectionSize))
{
Entry lbl = new Entry();
lbl.Length = Convert.ToUInt32(br.ReadByte());
lbl.Value = br.ReadBytes((int)lbl.Length);
lbl.Index = br.ReadInt32();
LBL1.Labels.Add(lbl);
}
HasLabels = LBL1.Labels.Count > 0;
PaddingSeek(br);
}
public MSBT(string filename)
{
File = new FileInfo(filename);
if (File.Exists && filename.Length > 0)
{
FileStream fs = System.IO.File.Open(File.FullName, FileMode.Open, FileAccess.Read, FileShare.None);
BinaryReaderX br = new BinaryReaderX(fs);
// Initialize Members
LBL1.Labels = new List<Entry>();
ATR1.Attributes = new List<UInt32>();
TXT2.OriginalEntries = new List<Entry>();
TXT2.Entries = new List<Entry>();
// Header
Header.Identifier = br.ReadBytes(8);
if (Encoding.ASCII.GetString(Header.Identifier) != "MsgStdBn")
throw new InvalidMSBTException("The file provided is not a valid MSBT file.");
Header.ByteOrderMark = br.ReadBytes(2);
// Byte Order
br.ByteOrder = Header.ByteOrderMark[0] > Header.ByteOrderMark[1] ? ByteOrder.LittleEndian : ByteOrder.BigEndian;
Header.Unknown1 = br.ReadUInt16();
Header.Unknown2 = br.ReadUInt16();
Header.NumberOfSections = br.ReadUInt16();
Header.Unknown3 = br.ReadUInt16();
Header.FileSizeOffset = (UInt32)br.BaseStream.Position;
Header.FileSize = br.ReadUInt32();
Header.Unknown4 = br.ReadBytes(10);
if (Header.FileSize != br.BaseStream.Length)
throw new InvalidMSBTException("The file provided is not a valid MSBT file.");
SectionOrder.Clear();
for (int i = 0; i < Header.NumberOfSections; i++)
{
// Section Detection
if (br.PeekString() == "LBL1")
{
ReadLBL1(br);
SectionOrder.Add("LBL1");
}
else if (br.PeekString() == "NLI1")
{
ReadNLI1(br);
SectionOrder.Add("NLI1");
}
else if (br.PeekString() == "ATR1")
{
ReadATR1(br);
SectionOrder.Add("ATR1");
}
else if (br.PeekString() == "TSY1")
{
ReadTSY1(br);
SectionOrder.Add("TSY1");
}
else if (br.PeekString() == "TXT2")
{
ReadTXT2(br);
SectionOrder.Add("TXT2");
}
}
br.Close();
}
}
