/// <summary>
/// Reads and parses the ExHeader file
/// </summary>
/// <param name="exFile">The Ex file to use.</param>
private void ReadExHeader(XivEx exFile)
{
OffsetTypeDict = new Dictionary <int, int>();
PageList = new List <int>();
LanguageList = new List <int>();
var exdFolderHash = HashGenerator.GetHash("exd");
var exdFileHash = HashGenerator.GetHash(exFile + ExhExtension);
var index = new Index(_gameDirectory);
var dat = new Dat(_gameDirectory);
var offset = index.GetDataOffset(exdFolderHash, exdFileHash, XivDataFile._0A_Exd);
if (offset == 0)
{
throw new Exception($"Could not find offest for exd/{exFile}{ExhExtension}");
}
var exhData = dat.GetType2Data(offset, XivDataFile._0A_Exd);
// Big Endian Byte Order
using (var br = new BinaryReaderBE(new MemoryStream(exhData)))
{
var signature = br.ReadInt32();
var version = br.ReadInt16();
var dataSetChunk = br.ReadInt16();
var dataSetCount = br.ReadInt16();
var pageTableCount = br.ReadInt16();
var langTableCount = br.ReadInt16();
var unknown = br.ReadInt16();
var unknown1 = br.ReadInt32();
var entryCount = br.ReadInt32();
br.ReadBytes(8);
for (var i = 0; i < dataSetCount; i++)
{
var dataType = br.ReadInt16();
var dataOffset = br.ReadInt16();
if (!OffsetTypeDict.ContainsKey(dataOffset))
{
OffsetTypeDict.Add(dataOffset, dataType);
}
}
for (var i = 0; i < pageTableCount; i++)
{
var pageNumber = br.ReadInt32();
var pageSize = br.ReadInt32();
PageList.Add(pageNumber);
}
for (var i = 0; i < langTableCount; i++)
{
var langCode = br.ReadInt16();
LanguageList.Add(langCode);
}
}
}
/// <summary>
/// Reads and parses the ExData file
/// </summary>
/// <remarks>
/// This reads the data at each index of the exd file
/// It then places the data in a dictionary with format [index, raw data]
/// </remarks>
/// <param name="exFile"></param>
/// <returns>A dictionary containing the Index and Raw Data of the ex file</returns>
public async Task <Dictionary <int, byte[]> > ReadExData(XivEx exFile)
{
var exdNameOffsetDictionary = new Dictionary <long, string>();
var exdDataDictionary = new Dictionary <int, byte[]>();
var errorString = "";
await ReadExHeader(exFile);
var language = "_" + _langCode;
// Some Ex files are universal and do not have a language code
if (LanguageList.Count == 0)
{
language = "";
}
// Each page is a new exd file
// A good example is item_[page]_[language].exd
// item_0_en.exd, item_500_en.exd, item_1000_en.exd, etc.
foreach (var page in PageList)
{
var exdFile = exFile + "_" + page + language + ExdExtension;
var exdFolderHash = HashGenerator.GetHash("exd");
var exdFileHash = HashGenerator.GetHash(exdFile);
var offset = await _index.GetDataOffset(exdFolderHash, exdFileHash, XivDataFile._0A_Exd);
try
{
exdNameOffsetDictionary.Add(offset, exdFile);
}
catch (Exception ex)
{
var zz = "zz";
throw ex;
}
}
await Task.Run(async() =>
{
foreach (var exdData in exdNameOffsetDictionary)
{
try
{
var exData = await _dat.GetType2Data(exdData.Key, XivDataFile._0A_Exd);
// Big Endian Byte Order
using (var br = new BinaryReaderBE(new MemoryStream(exData)))
{
br.ReadBytes(8);
var offsetTableSize = br.ReadInt32();
for (var i = 0; i < offsetTableSize; i += 8)
{
br.BaseStream.Seek(i + 32, SeekOrigin.Begin);
var entryNum = br.ReadInt32();
var entryOffset = br.ReadInt32();
br.BaseStream.Seek(entryOffset, SeekOrigin.Begin);
var entrySize = br.ReadInt32();
br.ReadBytes(2);
if (!exdDataDictionary.ContainsKey(entryNum))
{
exdDataDictionary.Add(entryNum, br.ReadBytes(entrySize));
}
}
}
}
catch (Exception ex)
{
errorString += $"File: {exdData.Value}\nError: {ex.Message}\n\n";
}
}
});
if (!string.IsNullOrEmpty(errorString))
{
throw new Exception($"There was an error reading EX data for the following\n\n{errorString}");
}
return(exdDataDictionary);
}
/// <summary>
/// Reads and parses the ExData file
/// </summary>
/// <remarks>
/// This reads the data at each index of the exd file
/// It then places the data in a dictionary with format [index, raw data]
/// </remarks>
/// <param name="exFile"></param>
/// <returns>A dictionary containing the Index and Raw Data of the ex file</returns>
public Dictionary <int, byte[]> ReadExData(XivEx exFile)
{
var exdOffsetList = new List <int>();
var exdDataDictionary = new Dictionary <int, byte[]>();
ReadExHeader(exFile);
var index = new Index(_gameDirectory);
var dat = new Dat(_gameDirectory);
var language = "_" + _langCode;
// Some Ex files are universal and do not have a language code
if (LanguageList.Count <= 1)
{
language = "";
}
// Each page is a new exd file
// A good example is item_[page]_[language].exd
// item_0_en.exd, item_500_en.exd, item_1000_en.exd, etc.
foreach (var page in PageList)
{
var exdFile = exFile + "_" + page + language + ExdExtension;
var exdFolderHash = HashGenerator.GetHash("exd");
var exdFileHash = HashGenerator.GetHash(exdFile);
exdOffsetList.Add(index.GetDataOffset(exdFolderHash, exdFileHash, XivDataFile._0A_Exd));
}
foreach (var offset in exdOffsetList)
{
var exData = dat.GetType2Data(offset, XivDataFile._0A_Exd);
// Big Endian Byte Order
using (var br = new BinaryReaderBE(new MemoryStream(exData)))
{
br.ReadBytes(8);
var offsetTableSize = br.ReadInt32();
for (var i = 0; i < offsetTableSize; i += 8)
{
br.BaseStream.Seek(i + 32, SeekOrigin.Begin);
var entryNum = br.ReadInt32();
var entryOffset = br.ReadInt32();
br.BaseStream.Seek(entryOffset, SeekOrigin.Begin);
var entrySize = br.ReadInt32();
br.ReadBytes(2);
exdDataDictionary.Add(entryNum, br.ReadBytes(entrySize));
}
}
}
return(exdDataDictionary);
}
