// decode exd from buffered data.
public void ReadExD()
{
byte[] data = ReadData();
int offsetTableSize = toInt32(data, 0x8, true);
int chunkTableSize = toInt32(data, 0xc, true);
byte[] offsetTable = new byte[offsetTableSize];
Array.Copy(data, 0x20, offsetTable, 0, offsetTableSize);
byte[] chunkTable = new byte[chunkTableSize];
Array.Copy(data, 0x20 + offsetTableSize, chunkTable, 0, chunkTableSize);
for (int i = 0; i < offsetTableSize; i += 0x8)
{
ExDChunk chunk = new ExDChunk();
chunk.Key = toInt32(offsetTable, i, true);
chunk.Offset = toInt32(offsetTable, i + 0x4, true);
int chunkTablePosition = chunk.Offset - 0x20 - offsetTableSize;
chunk.Size = toInt32(chunkTable, chunkTablePosition, true);
chunk.CheckDigit = toInt16(chunkTable, chunkTablePosition + 0x4, true);
byte[] columnDefinitions = new byte[ExHeader.FixedSizeDataLength];
Array.Copy(chunkTable, chunkTablePosition + 0x6, columnDefinitions, 0, ExHeader.FixedSizeDataLength);
byte[] rawData = new byte[chunk.Size - ExHeader.FixedSizeDataLength];
Array.Copy(chunkTable, chunkTablePosition + 0x6 + ExHeader.FixedSizeDataLength, rawData, 0, rawData.Length);
foreach (ExHColumn column in ExHeader.Columns)
{
int fieldStart = toInt32(columnDefinitions, column.Offset, true);
int fieldEnd = fieldStart;
while (fieldEnd < rawData.Length && rawData[fieldEnd] != 0)
{
fieldEnd++;
}
byte[] field = new byte[fieldEnd - fieldStart];
Array.Copy(rawData, fieldStart, field, 0, fieldEnd - fieldStart);
chunk.Fields.Add(column.Offset, field);
}
Chunks.Add(chunk.Key, chunk);
}
}
static void SwapCodes(ExHFile[] exHeaders, string outputDir)
{
// swap two lang table based on string key mapping (if available) or chunk key mapping.
Console.Write("Enter source lang code: ");
string sourceLangCode = Console.ReadLine();
Console.Write("Enter target lang code: ");
string targetLangCode = Console.ReadLine();
// placeholder files.
string emptyPath = Path.Combine(outputDir, "empty");
if (File.Exists(emptyPath))
{
File.Delete(emptyPath);
}
JArray emptyArray = new JArray();
// these files are mapped by string key and is pretty much accurate.
string stringKeyMappedPath = Path.Combine(outputDir, "string_key_mapped");
if (File.Exists(stringKeyMappedPath))
{
File.Delete(stringKeyMappedPath);
}
JArray stringKeyMappedArray = new JArray();
// these files are mapped by chunk key and could be wrong.
string chunkKeyMappedPath = Path.Combine(outputDir, "chunk_key_mapped");
if (File.Exists(chunkKeyMappedPath))
{
File.Delete(chunkKeyMappedPath);
}
JArray chunkKeyMappedArray = new JArray();
// these files do not exist in source lang code but exist in target lang code.
// need custom translations.
string notTranslatedPath = Path.Combine(outputDir, "not_translated");
if (File.Exists(notTranslatedPath))
{
File.Delete(notTranslatedPath);
}
JArray notTranslatedArray = new JArray();
for (int i = 0; i < exHeaders.Length; i++)
{
foreach (ExDFile exDat in exHeaders[i].ExDats)
{
Report(string.Format("{0} / {1}: {2}", i, exHeaders.Length, exDat.Name));
if (exDat.LanguageCode != targetLangCode)
{
continue;
}
string exDatOutDir = Path.Combine(outputDir, exDat.PhysicalDir);
if (!Directory.Exists(exDatOutDir))
{
continue;
}
string exDatSourcePath = Path.Combine(exDatOutDir, sourceLangCode);
// source doesn't exist, which means this is probably newer file.
// need custom translations.
if (!File.Exists(exDatSourcePath))
{
notTranslatedArray.Add(exDat.PhysicalDir);
continue;
}
JObject[] jChunks = null;
using (StreamReader sr = new StreamReader(exDatSourcePath))
{
jChunks = JArray.Parse(sr.ReadToEnd()).Select(j => (JObject)j).ToArray();
}
if (jChunks.Length == 0)
{
continue;
}
// load string key based mapper.
// string key mapper -> field key 0 should be text-only field with all-capital constant (i.e. TEXT_XXX_NNN_SYSTEM_NNN_NN)
Dictionary <string, JObject> mapper = new Dictionary <string, JObject>();
Regex stringKeyRegex = new Regex("^[A-Za-z0-9_]+$");
List <ExDChunk> exDChunks = new List <ExDChunk>();
foreach (JObject jChunk in jChunks)
{
ExDChunk chunk = new ExDChunk();
chunk.LoadJObject(jChunk);
exDChunks.Add(chunk);
// string key mapper should have string key on field 0 and text content on field 4.
if (!chunk.Fields.ContainsKey(0) || !chunk.Fields.ContainsKey(4) || chunk.Fields.Count != 2)
{
continue;
}
JObject stringKeyField = jChunk["Fields"].Select(j => (JObject)j).First(j => (ushort)j["FieldKey"] == 0);
// string key should not have any tags and consist of only one text type entry.
JObject[] jEntries = stringKeyField["FieldValue"].Select(j => (JObject)j).ToArray();
if (jEntries.Length != 1)
{
continue;
}
if ((string)jEntries[0]["EntryType"] != "text")
{
continue;
}
// additional validation for string key.
string stringKey = (string)jEntries[0]["EntryValue"];
if (!stringKeyRegex.IsMatch(stringKey))
{
continue;
}
if (mapper.ContainsKey(stringKey))
{
continue;
}
mapper.Add(stringKey, jChunk);
}
// if all rows in the table are string mapped
if (mapper.Count == jChunks.Length)
{
foreach (int chunkKey in exDat.Chunks.Keys)
{
// find jobject with the same string key.
string stringKey = new UTF8Encoding(false).GetString(exDat.Chunks[chunkKey].Fields[0]);
if (!mapper.ContainsKey(stringKey))
{
continue;
}
exDat.Chunks[chunkKey].LoadJObject(mapper[stringKey]);
// preserve the original key.
exDat.Chunks[chunkKey].Key = chunkKey;
}
exDat.ExtractExD(outputDir);
// indicate that this file was mapped by string keys.
stringKeyMappedArray.Add(exDat.PhysicalDir);
}
else
{
// let's see if target is empty...
bool isEmpty = true;
foreach (ExDChunk chunk in exDat.Chunks.Values)
{
foreach (byte[] field in chunk.Fields.Values)
{
if (field.Length > 0)
{
isEmpty = false;
}
}
}
// if target is empty, we don't care about the source.
// record it as empty.
if (isEmpty)
{
emptyArray.Add(exDat.PhysicalDir);
}
else
{
// check whether source is also empty.
isEmpty = true;
foreach (ExDChunk chunk in exDChunks)
{
foreach (byte[] field in chunk.Fields.Values)
{
if (field.Length > 0)
{
isEmpty = false;
}
}
}
// if source is empty, this means no source data is present for this target file.
// add in not translated list.
if (isEmpty)
{
notTranslatedArray.Add(exDat.PhysicalDir);
}
// both are not empty, let's proceed with chunk key mapping...
else
{
foreach (ExDChunk chunk in exDChunks)
{
if (!exDat.Chunks.ContainsKey(chunk.Key))
{
continue;
}
foreach (ushort fieldKey in chunk.Fields.Keys)
{
// if source field is empty, don't bother changing.
if (chunk.Fields[fieldKey].Length == 0)
{
continue;
}
if (!exDat.Chunks[chunk.Key].Fields.ContainsKey(fieldKey))
{
continue;
}
exDat.Chunks[chunk.Key].Fields[fieldKey] = chunk.Fields[fieldKey];
}
}
exDat.ExtractExD(outputDir);
// indicate that this file was mapped by chunk keys.
chunkKeyMappedArray.Add(exDat.PhysicalDir);
}
}
}
}
}
// record all arrays.
using (StreamWriter sw = new StreamWriter(emptyPath, false))
{
sw.Write(emptyArray.ToString());
}
using (StreamWriter sw = new StreamWriter(stringKeyMappedPath, false))
{
sw.Write(stringKeyMappedArray.ToString());
}
using (StreamWriter sw = new StreamWriter(chunkKeyMappedPath, false))
{
sw.Write(chunkKeyMappedArray.ToString());
}
using (StreamWriter sw = new StreamWriter(notTranslatedPath, false))
{
sw.Write(notTranslatedArray.ToString());
}
}
static void Main(string[] args)
{
Console.WriteLine(string.Format("AllaganNode v{0}", Assembly.GetExecutingAssembly().GetName().Version.ToString()));
// TODO: make base path selectable.
string baseDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
string indexPath = Path.Combine(baseDir, "input", "0a0000.win32.index");
string datPath = Path.Combine(baseDir, "input", "0a0000.win32.dat0");
string outputDir = Path.Combine(baseDir, "output");
if (!Directory.Exists(outputDir))
{
Directory.CreateDirectory(outputDir);
}
Dictionary <uint, Dictionary <uint, SqFile> > sqFiles = new Dictionary <uint, Dictionary <uint, SqFile> >();
// Read index and cache all available sqfiles.
using (FileStream fs = File.OpenRead(indexPath))
using (BinaryReader br = new BinaryReader(fs))
{
br.BaseStream.Position = 0xc;
int headerOffset = br.ReadInt32();
br.BaseStream.Position = headerOffset + 0x8;
int fileOffset = br.ReadInt32();
int fileCount = br.ReadInt32() / 0x10;
br.BaseStream.Position = fileOffset;
for (int i = 0; i < fileCount; i++)
{
SqFile sqFile = new SqFile();
sqFile.Key = br.ReadUInt32();
sqFile.DirectoryKey = br.ReadUInt32();
sqFile.WrappedOffset = br.ReadInt32();
sqFile.DatPath = datPath;
br.ReadInt32();
if (!sqFiles.ContainsKey(sqFile.DirectoryKey))
{
sqFiles.Add(sqFile.DirectoryKey, new Dictionary <uint, SqFile>());
}
sqFiles[sqFile.DirectoryKey].Add(sqFile.Key, sqFile);
Report(string.Format("{0} / {1}: {2}", i, fileCount, sqFile.Key));
}
}
// find root file that lists all ExHs in 0a0000.
// root file encoding is simple ASCII.
SqFile rootFile = sqFiles[Hash.Compute("exd")][Hash.Compute("root.exl")];
List <string> headerNames = new List <string>();
using (MemoryStream ms = new MemoryStream(rootFile.ReadData()))
using (StreamReader sr = new StreamReader(ms, Encoding.ASCII))
using (StreamWriter sw = new StreamWriter(Path.Combine(outputDir, "root.exl")))
{
sr.ReadLine();
while (!sr.EndOfStream)
{
string line = sr.ReadLine();
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
Report(line);
sw.WriteLine(line);
string[] split = line.Split(',');
if (split.Length != 2)
{
continue;
}
headerNames.Add(split[0]);
}
}
List <ExHFile> exHeaderList = new List <ExHFile>();
// for all ExHs, decode the cached data buffer as ExH.
for (int i = 0; i < headerNames.Count; i++)
{
Report(string.Format("{0} / {1}: {2}", i, headerNames.Count, headerNames[i]));
string headerDir = string.Empty;
string headerName = headerNames[i];
if (headerName.Contains("/"))
{
headerDir = string.Format("/{0}", headerName.Substring(0, headerName.LastIndexOf("/")));
headerName = headerName.Substring(headerName.LastIndexOf("/") + 1);
}
headerDir = string.Format("exd{0}", headerDir);
SqFile sqFile = sqFiles[Hash.Compute(headerDir)][Hash.Compute(string.Format("{0}.exh", headerName))];
ExHFile exHFile = new ExHFile();
exHFile.Copy(sqFile);
exHFile.Name = headerName + ".exh";
exHFile.Dir = headerDir;
exHFile.HeaderName = headerName;
exHFile.ReadExH();
// only add ExHs with supported variant and string columns.
if (exHFile.Variant == 1 && exHFile.Columns != null && exHFile.Columns.Length > 0)
{
exHeaderList.Add(exHFile);
}
}
ExHFile[] exHeaders = exHeaderList.ToArray();
// for all ExHs, decode child ExDs and link them to ExH.
for (int i = 0; i < exHeaders.Length; i++)
{
Report(string.Format("{0} / {1}: {2}", i, exHeaders.Length, exHeaders[i].Name));
ExHFile exHeader = exHeaders[i];
foreach (ExHLanguage lang in exHeader.Languages)
{
foreach (ExHRange range in exHeader.Ranges)
{
string datName = string.Format("{0}_{1}_{2}.exd", exHeader.HeaderName, range.Start, lang.Code);
uint directoryKey = Hash.Compute(exHeader.Dir);
uint key = Hash.Compute(datName);
if (!sqFiles.ContainsKey(directoryKey))
{
continue;
}
if (!sqFiles[directoryKey].ContainsKey(key))
{
continue;
}
ExDFile exDat = new ExDFile();
exDat.Copy(sqFiles[directoryKey][key]);
exDat.Name = datName;
exDat.Dir = exHeader.Dir;
exDat.HeaderName = exHeader.HeaderName;
exDat.PhysicalDir = string.Format("{0}/{1}/{2}", exHeader.Dir, exHeader.HeaderName, range.Start);
exDat.LanguageCode = lang.Code;
exDat.ExHeader = exHeader;
exDat.ReadExD();
exHeader.ExDats.Add(exDat);
}
}
}
Report(string.Empty);
Console.Write("Enter an option (0 - extract, 1 - apply translations, 2 - repackage): ");
switch (Console.ReadLine().ToLower())
{
case "0":
ExtractExDs(exHeaders, outputDir);
break;
case "1":
ApplyTranslations(exHeaders, outputDir, baseDir);
break;
case "2":
RepackExDs(exHeaders, outputDir, indexPath, datPath);
break;
// this hidden option swaps language codes.
// it tries to map entries based on string key if available. if not, it maps based on chunk keys.
case "swap":
SwapCodes(exHeaders, outputDir);
break;
// this hidden option is for translators.
// this will compress all available translations that are written in exd.
case "compress":
CompressTranslations(exHeaders, outputDir);
break;
// this hidden option is for translators.
// this will extract translations from compressed format and place them in exd directory in editable format.
case "decompress":
ExtractTranslations(exHeaders, outputDir, baseDir);
break;
// dev option to find certain string from original input dat...
case "search":
string languageCode = Console.ReadLine();
string keyword = Console.ReadLine();
for (int i = 0; i < exHeaders.Length; i++)
{
foreach (ExDFile exDat in exHeaders[i].ExDats)
{
Report(string.Format("{0} / {1}: {2}", i, exHeaders.Length, exDat.Name));
if (exDat.LanguageCode != languageCode)
{
continue;
}
foreach (ExDChunk chunk in exDat.Chunks.Values)
{
foreach (byte[] field in chunk.Fields.Values)
{
string test = new UTF8Encoding(false).GetString(field);
if (test.Contains(keyword))
{
Console.WriteLine();
Console.WriteLine(exDat.PhysicalDir + "/" + exDat.Name);
}
}
}
}
}
Console.WriteLine();
Console.WriteLine("DONE");
Console.ReadLine();
break;
// dev option for mapping CompleteJournal...
case "map_journal":
// mapping quest titles...
Dictionary <int, string> englishQuest = new Dictionary <int, string>();
Dictionary <int, string> koreanQuest = new Dictionary <int, string>();
for (int i = 0; i < exHeaders.Length; i++)
{
foreach (ExDFile exDat in exHeaders[i].ExDats)
{
Report(string.Format("{0} / {1}: {2}", i, exHeaders.Length, exDat.Name));
if (exDat.Dir.ToLower() != "exd" || exDat.HeaderName.ToLower() != "quest")
{
continue;
}
if (exDat.LanguageCode != "en")
{
continue;
}
foreach (ExDChunk chunk in exDat.Chunks.Values)
{
if (englishQuest.ContainsKey(chunk.Key))
{
continue;
}
if (chunk.Fields.Count == 0)
{
continue;
}
if (!chunk.Fields.ContainsKey(0))
{
continue;
}
JObject jChunk = chunk.GetJObject();
JObject jField = (JObject)jChunk["Fields"].First(j => (ushort)j["FieldKey"] == 0);
JArray jEntries = (JArray)jField["FieldValue"];
if (jEntries.Count == 0)
{
continue;
}
englishQuest.Add(chunk.Key, jEntries.ToString());
}
string exDatOutDir = Path.Combine(outputDir, exDat.PhysicalDir);
if (!Directory.Exists(exDatOutDir))
{
continue;
}
string exDatKoPath = Path.Combine(exDatOutDir, "ko");
if (!File.Exists(exDatKoPath))
{
continue;
}
JObject[] jChunks;
using (StreamReader sr = new StreamReader(exDatKoPath))
{
jChunks = JArray.Parse(sr.ReadToEnd()).Select(j => (JObject)j).ToArray();
}
foreach (JObject jChunk in jChunks)
{
ExDChunk chunk = new ExDChunk();
chunk.LoadJObject(jChunk);
if (koreanQuest.ContainsKey(chunk.Key))
{
continue;
}
if (chunk.Fields.Count == 0)
{
continue;
}
if (!chunk.Fields.ContainsKey(0))
{
continue;
}
JObject jField = (JObject)jChunk["Fields"].First(j => (ushort)j["FieldKey"] == 0);
JArray jEntries = (JArray)jField["FieldValue"];
if (jEntries.Count == 0)
{
continue;
}
koreanQuest.Add(chunk.Key, jEntries.ToString());
}
}
}
Dictionary <string, string> englishToKorean = new Dictionary <string, string>();
foreach (int key in englishQuest.Keys)
{
if (!koreanQuest.ContainsKey(key))
{
continue;
}
if (englishToKorean.ContainsKey(englishQuest[key]))
{
continue;
}
englishToKorean.Add(englishQuest[key], koreanQuest[key]);
}
// mapping content finder titles...
Dictionary <string, string> englishContents = new Dictionary <string, string>();
Dictionary <string, string> koreanContents = new Dictionary <string, string>();
for (int i = 0; i < exHeaders.Length; i++)
{
foreach (ExDFile exDat in exHeaders[i].ExDats)
{
Report(string.Format("{0} / {1}: {2}", i, exHeaders.Length, exDat.Name));
if (exDat.Dir.ToLower() != "exd" || exDat.HeaderName.ToLower() != "contentfindercondition")
{
continue;
}
if (exDat.LanguageCode != "en")
{
continue;
}
foreach (ExDChunk chunk in exDat.Chunks.Values)
{
if (chunk.Fields.Count != 2)
{
continue;
}
if (!chunk.Fields.ContainsKey(0) || !chunk.Fields.ContainsKey(44))
{
continue;
}
JObject jChunk = chunk.GetJObject();
JArray jFields = (JArray)jChunk["Fields"];
JObject jKeyFIeld = (JObject)jFields.First(j => (ushort)j["FieldKey"] == 44);
JArray jKeyEntries = (JArray)jKeyFIeld["FieldValue"];
if (jKeyEntries.Count != 1)
{
continue;
}
if ((string)jKeyEntries[0]["EntryType"] != "text")
{
continue;
}
string fieldKey = (string)jKeyEntries[0]["EntryValue"];
if (englishContents.ContainsKey(fieldKey))
{
continue;
}
JObject jValueField = (JObject)jFields.First(j => (ushort)j["FieldKey"] == 0);
JArray jValueEntries = (JArray)jValueField["FieldValue"];
if (jValueEntries.Count == 0)
{
continue;
}
englishContents.Add(fieldKey, jValueEntries.ToString());
}
string exDatOutDir = Path.Combine(outputDir, exDat.PhysicalDir);
if (!Directory.Exists(exDatOutDir))
{
continue;
}
string exDatKoPath = Path.Combine(exDatOutDir, "ko");
if (!File.Exists(exDatKoPath))
{
continue;
}
JObject[] jChunks;
using (StreamReader sr = new StreamReader(exDatKoPath))
{
jChunks = JArray.Parse(sr.ReadToEnd()).Select(j => (JObject)j).ToArray();
}
foreach (JObject jChunk in jChunks)
{
ExDChunk chunk = new ExDChunk();
chunk.LoadJObject(jChunk);
if (chunk.Fields.Count != 2)
{
continue;
}
if (!chunk.Fields.ContainsKey(0) || !chunk.Fields.ContainsKey(44))
{
continue;
}
JArray jFields = (JArray)jChunk["Fields"];
JObject jKeyField = (JObject)jFields.First(j => (ushort)j["FieldKey"] == 44);
JArray jKeyEntries = (JArray)jKeyField["FieldValue"];
if (jKeyEntries.Count != 1)
{
continue;
}
if ((string)jKeyEntries[0]["EntryType"] != "text")
{
continue;
}
string fieldKey = (string)jKeyEntries[0]["EntryValue"];
if (koreanContents.ContainsKey(fieldKey))
{
continue;
}
JObject jValueField = (JObject)jFields.First(j => (ushort)j["FieldKey"] == 0);
JArray jValueEntries = (JArray)jValueField["FieldValue"];
if (jValueEntries.Count == 0)
{
continue;
}
koreanContents.Add(fieldKey, jValueEntries.ToString());
}
}
}
foreach (string key in englishContents.Keys)
{
if (!koreanContents.ContainsKey(key))
{
continue;
}
if (englishToKorean.ContainsKey(englishContents[key]))
{
continue;
}
englishToKorean.Add(englishContents[key], koreanContents[key]);
}
for (int i = 0; i < exHeaders.Length; i++)
{
foreach (ExDFile exDat in exHeaders[i].ExDats)
{
Report(string.Format("{0} / {1}: {2}", i, exHeaders.Length, exDat.Name));
if (exDat.Dir.ToLower() != "exd" || exDat.HeaderName.ToLower() != "completejournal")
{
continue;
}
if (exDat.LanguageCode != "en")
{
continue;
}
foreach (ExDChunk chunk in exDat.Chunks.Values)
{
if (chunk.Fields.Count != 1)
{
continue;
}
if (!chunk.Fields.ContainsKey(0))
{
continue;
}
JObject jChunk = chunk.GetJObject();
JArray jFieldArray = (JArray)jChunk["Fields"];
JObject jField = (JObject)jFieldArray[0];
if ((ushort)jField["FieldKey"] != 0)
{
continue;
}
JArray jEntries = (JArray)jField["FieldValue"];
if (jEntries.Count == 0)
{
continue;
}
if (!englishToKorean.ContainsKey(jEntries.ToString()))
{
continue;
}
jField["FieldValue"] = JArray.Parse(englishToKorean[jEntries.ToString()]);
chunk.LoadJObject(jChunk);
}
exDat.LanguageCode = "trans";
exDat.ExtractExD(outputDir);
}
}
break;
// testing
case "test":
for (int i = 0; i < exHeaders.Length; i++)
{
foreach (ExDFile exDat in exHeaders[i].ExDats)
{
Report(string.Format("{0} / {1}: {2}", i, exHeaders.Length, exDat.Name));
string exDatOutDir = Path.Combine(outputDir, exDat.PhysicalDir);
if (!Directory.Exists(exDatOutDir))
{
continue;
}
string exDatOutPath = Path.Combine(exDatOutDir, exDat.LanguageCode);
string exDatTestPath = exDatOutPath + ".test";
using (MemoryStream ms = new MemoryStream(File.ReadAllBytes(exDatOutPath)))
using (StreamReader sr = new StreamReader(ms))
using (MemoryStream ms2 = new MemoryStream(File.ReadAllBytes(exDatTestPath)))
using (StreamReader sr2 = new StreamReader(ms2))
{
while (sr.Peek() != -1)
{
if (sr2.Peek() == -1)
{
throw new Exception();
}
if (sr.ReadLine() != sr2.ReadLine())
{
throw new Exception();
}
}
if (sr2.Peek() != -1)
{
throw new Exception();
}
}
}
}
Console.WriteLine();
Console.WriteLine("DONE");
Console.ReadLine();
break;
// write out encoded bytes
case "write":
string test2 = Console.ReadLine();
JObject test3 = JObject.Parse("{\"TagValue\":\"" + test2 + "\"}");
File.WriteAllBytes(Path.Combine(outputDir, "test"), (byte[])test3["TagValue"]);
break;
}
}
// repack updated exd chunks back to buffer.
public byte[] RepackExD()
{
byte[] data = ReadData();
int offsetTableSize = toInt32(data, 0x8, true);
int chunkTableSize = toInt32(data, 0xc, true);
byte[] offsetTable = new byte[offsetTableSize];
Array.Copy(data, 0x20, offsetTable, 0, offsetTableSize);
byte[] chunkTable = new byte[chunkTableSize];
Array.Copy(data, 0x20 + offsetTableSize, chunkTable, 0, chunkTableSize);
using (MemoryStream newChunkTable = new MemoryStream())
using (BinaryWriter newChunkTableWriter = new BinaryWriter(newChunkTable))
{
for (int i = 0; i < offsetTableSize; i += 0x8)
{
int chunkKey = toInt32(offsetTable, i, true);
int chunkOffset = toInt32(offsetTable, i + 0x4, true);
ExDChunk chunk = Chunks[chunkKey];
int chunkTablePosition = chunkOffset - 0x20 - offsetTableSize;
byte[] columnDefinitions = new byte[ExHeader.FixedSizeDataLength];
Array.Copy(chunkTable, chunkTablePosition + 0x6, columnDefinitions, 0, ExHeader.FixedSizeDataLength);
using (MemoryStream rawData = new MemoryStream())
using (BinaryWriter rawDataWriter = new BinaryWriter(rawData))
{
foreach (ExHColumn column in ExHeader.Columns)
{
int fieldStart = (int)rawData.Length;
Array.Copy(toBytes(fieldStart, true), 0, columnDefinitions, column.Offset, 0x4);
rawDataWriter.Write(chunk.Fields[column.Offset]);
rawDataWriter.Write((byte)0);
}
int paddingLeftover = ((int)rawData.Length + ExHeader.FixedSizeDataLength + 0x6 + (int)newChunkTable.Length + offsetTableSize + 0x20) % 0x4;
if (paddingLeftover != 0)
{
rawDataWriter.Write(new byte[0x4 - paddingLeftover]);
}
byte[] newChunkHeader = new byte[0x6];
Array.Copy(toBytes((int)rawData.Length + ExHeader.FixedSizeDataLength, true), 0, newChunkHeader, 0, 0x4);
Array.Copy(toBytes(chunk.CheckDigit, true), 0, newChunkHeader, 0x4, 0x2);
int newChunkOffset = (int)newChunkTable.Length + 0x20 + offsetTableSize;
Array.Copy(toBytes(newChunkOffset, true), 0, offsetTable, i + 0x4, 0x4);
newChunkTableWriter.Write(newChunkHeader);
newChunkTableWriter.Write(columnDefinitions);
newChunkTableWriter.Write(rawData.ToArray());
}
}
byte[] newBuffer = new byte[0x20 + offsetTableSize + newChunkTable.Length];
Array.Copy(data, 0, newBuffer, 0, 0x20);
Array.Copy(toBytes((int)newChunkTable.Length, true), 0, newBuffer, 0xc, 0x4);
Array.Copy(offsetTable, 0, newBuffer, 0x20, offsetTableSize);
Array.Copy(newChunkTable.ToArray(), 0, newBuffer, 0x20 + offsetTableSize, (int)newChunkTable.Length);
return(newBuffer);
}
}
