internal WzPngProperty(WzBinaryReader reader, bool parseNow)
{
// Read compressed bytes
width = reader.ReadCompressedInt();
height = reader.ReadCompressedInt();
format = reader.ReadCompressedInt();
format2 = reader.ReadByte();
reader.BaseStream.Position += 4;
offs = reader.BaseStream.Position;
int len = reader.ReadInt32() - 1;
reader.BaseStream.Position += 1;
if (len > 0)
{
if (parseNow)
{
compressedBytes = wzReader.ReadBytes(len);
ParsePng();
}
else
{
reader.BaseStream.Position += len;
}
}
wzReader = reader;
}
/// <summary>
/// BPS of the mp3 file
/// </summary>
//public byte BPS { get { return bps; } set { bps = value; } }
/// <summary>
/// Creates a WzSoundProperty with the specified name
/// </summary>
/// <param name="name">The name of the property</param>
/// <param name="reader">The wz reader</param>
/// <param name="parseNow">Indicating whether to parse the property now</param>
public WzSoundProperty(string name, WzBinaryReader reader, bool parseNow)
{
this.name = name;
wzReader = reader;
reader.BaseStream.Position++;
//note - soundDataLen does NOT include the length of the header.
soundDataLen = reader.ReadCompressedInt();
len_ms = reader.ReadCompressedInt();
long headerOff = reader.BaseStream.Position;
reader.BaseStream.Position += soundHeader.Length; //skip GUIDs
int wavFormatLen = reader.ReadByte();
reader.BaseStream.Position = headerOff;
header = reader.ReadBytes(soundHeader.Length + 1 + wavFormatLen);
ParseHeader();
//sound file offs
offs = reader.BaseStream.Position;
if (parseNow)
{
mp3bytes = reader.ReadBytes(soundDataLen);
}
else
{
reader.BaseStream.Position += soundDataLen;
}
}
//public byte BPS { get { return bps; } set { bps = value; } }
/// <summary>
/// BPS of the mp3 file
/// Creates a WzSoundProperty with the specified name
/// </summary>
/// <param name="name">The name of the property</param>
/// <param name="reader">The wz reader</param>
/// <param name="parseNow">Indicating whether to parse the property now</param>
public WzSoundProperty(string name, WzBinaryReader reader, bool parseNow)
{
this.Name = name;
_wzReader = reader;
reader.BaseStream.Position++;
//note - soundDataLen does NOT include the length of the header.
_soundDataLen = reader.ReadCompressedInt();
// 时间
_time = reader.ReadCompressedInt();
var headerOff = reader.BaseStream.Position;
reader.BaseStream.Position += SoundHeader.Length; //skip GUIDs
int wavFormatLen = reader.ReadByte();
reader.BaseStream.Position = headerOff;
reader.ReadBytes(SoundHeader.Length + 1 + wavFormatLen);
//sound file offs
_offs = reader.BaseStream.Position;
if (parseNow)
{
_mp3Bytes = reader.ReadBytes(_soundDataLen);
}
else
{
reader.BaseStream.Position += _soundDataLen;
}
}
public byte[] GetBytes(bool pSaveInMemory = false)
{
if (mMp3bytes != null)
{
return(mMp3bytes);
}
if (mWzReader == null)
{
return(null);
}
long currentPos = mWzReader.BaseStream.Position;
mWzReader.BaseStream.Position = mOffsets;
int soundDataLen = mWzReader.ReadCompressedInt();
mWzReader.ReadCompressedInt();
//mWzReader.BaseStream.Position += 82;
mMp3bytes = mWzReader.ReadBytes(soundDataLen);
mWzReader.BaseStream.Position = currentPos;
if (pSaveInMemory)
{
return(mMp3bytes);
}
byte[] result = mMp3bytes;
mMp3bytes = null;
return(result);
}
/// <summary>
/// Writes the WzImage object to the underlying WzBinaryWriter
/// </summary>
/// <param name="writer"></param>
/// <param name="bIsWzUserKeyDefault">Uses the default MapleStory UserKey or a custom key.</param>
/// <param name="forceReadFromData">Read from data regardless of base data that's changed or not.</param>
public void SaveImage(WzBinaryWriter writer, bool bIsWzUserKeyDefault = true, bool forceReadFromData = false)
{
if (bIsImageChanged ||
!bIsWzUserKeyDefault || // everything needs to be re-written when a custom UserKey is used
forceReadFromData) // if its not being force-read and written, it saves with the previous WZ encryption IV.
{
if (reader != null && !parsed)
{
this.ParseEverything = true;
ParseImage(forceReadFromData);
}
WzSubProperty imgProp = new WzSubProperty();
long startPos = writer.BaseStream.Position;
imgProp.AddPropertiesForWzImageDumping(WzProperties);
imgProp.WriteValue(writer);
writer.StringCache.Clear();
size = (int)(writer.BaseStream.Position - startPos);
}
else
{
long pos = reader.BaseStream.Position;
reader.BaseStream.Position = offset;
writer.Write(reader.ReadBytes(size));
reader.BaseStream.Position = pos;
}
}
public byte[] GetBytes(bool saveInMemory)
{
if (mp3bytes != null)
{
return(mp3bytes);
}
else
{
if (wzReader == null)
{
return(null);
}
long currentPos = wzReader.BaseStream.Position;
wzReader.BaseStream.Position = offs;
mp3bytes = wzReader.ReadBytes(soundDataLen);
wzReader.BaseStream.Position = currentPos;
if (saveInMemory)
{
return(mp3bytes);
}
else
{
byte[] result = mp3bytes;
mp3bytes = null;
return(result);
}
}
}
/// <summary>
/// Writes the WzImage object to the underlying WzBinaryWriter
/// </summary>
/// <param name="writer"></param>
/// <param name="forceReadFromData">Read from data regardless of base data that's changed or not.</param>
public void SaveImage(WzBinaryWriter writer, bool forceReadFromData = false)
{
if (changed || forceReadFromData)
{
if (reader != null && !parsed)
{
this.ParseEverything = true;
ParseImage(forceReadFromData);
}
WzSubProperty imgProp = new WzSubProperty();
long startPos = writer.BaseStream.Position;
imgProp.AddPropertiesForWzImageDumping(WzProperties);
imgProp.WriteValue(writer);
writer.StringCache.Clear();
size = (int)(writer.BaseStream.Position - startPos);
}
else
{
long pos = reader.BaseStream.Position;
reader.BaseStream.Position = offset;
writer.Write(reader.ReadBytes(size));
reader.BaseStream.Position = pos;
}
}
/// <summary>
/// Creates a blank WzPngProperty
/// </summary>
/// <param name="reader"></param>
/// <param name="parseNow"></param>
internal WzPngProperty(WzBinaryReader reader, bool parseNow)
{
// Read compressed bytes
width = reader.ReadCompressedInt();
height = reader.ReadCompressedInt();
format = reader.ReadCompressedInt();
format2 = reader.ReadByte();
reader.BaseStream.Position += 4;
offs = reader.BaseStream.Position;
int len = reader.ReadInt32() - 1;
reader.BaseStream.Position += 1;
if (len > 0)
{
if (parseNow)
{
if (wzReader == null) // when saving the WZ file to a new encryption
{
compressedImageBytes = reader.ReadBytes(len);
}
else // when opening the Wz property
{
compressedImageBytes = wzReader.ReadBytes(len);
}
ParsePng();
}
else
{
reader.BaseStream.Position += len;
}
}
this.wzReader = reader;
}
internal void ParseSound(WzBinaryReader reader)
{
reader.BaseStream.Position++;
int soundDataLen = reader.ReadCompressedInt();
reader.ReadCompressedInt();
mp3bytes = reader.ReadBytes(soundDataLen);
}
/// <summary>
/// BPS of the mp3 file
/// </summary>
//public byte BPS { get { return bps; } set { bps = value; } }
/// <summary>
/// Creates a WzSoundProperty with the specified name
/// </summary>
/// <param name="name">The name of the property</param>
/// <param name="reader">The wz reader</param>
/// <param name="parseNow">Indicating whether to parse the property now</param>
public WzSoundProperty(string name, WzBinaryReader reader, bool parseNow)
{
this.name = name;
wzReader = reader;
reader.BaseStream.Position++;
offs = reader.BaseStream.Position;
//note - soundDataLen does NOT include the length of the header.
int soundDataLen = reader.ReadCompressedInt();
len_ms = reader.ReadCompressedInt();
header = reader.ReadBytes(soundHeaderMask.Length);
ParseHeader();
if (parseNow)
{
mp3bytes = reader.ReadBytes(soundDataLen);
}
else
{
reader.BaseStream.Position += soundDataLen;
}
}
public byte[] GetCompressedBytes(bool pSaveInMemory = false)
{
if (mCompressedBytes == null)
{
long pos = mWzReader.BaseStream.Position;
mWzReader.BaseStream.Position = mOffsets;
int len = mWzReader.ReadInt32() - 1;
mWzReader.BaseStream.Position += 1;
if (len > 0)
{
mCompressedBytes = mWzReader.ReadBytes(len);
}
mWzReader.BaseStream.Position = pos;
if (!pSaveInMemory)
{
mCompressedBytes = null;
return(mCompressedBytes);
}
}
return(mCompressedBytes);
}
public byte[] GetCompressedBytes(bool saveInMemory)
{
if (compressedBytes == null)
{
long pos = wzReader.BaseStream.Position;
wzReader.BaseStream.Position = offs;
int len = wzReader.ReadInt32() - 1;
wzReader.BaseStream.Position += 1;
if (len > 0)
{
compressedBytes = wzReader.ReadBytes(len);
}
wzReader.BaseStream.Position = pos;
if (!saveInMemory)
{
//were removing the referance to compressedBytes, so a backup for the ret value is needed
byte[] returnBytes = compressedBytes;
compressedBytes = null;
return(returnBytes);
}
}
return(compressedBytes);
}
/// <summary>
/// Parses .lua property
/// </summary>
/// <param name="offset"></param>
/// <param name="reader"></param>
/// <param name="parent"></param>
/// <param name="parentImg"></param>
/// <returns></returns>
internal static WzLuaProperty ParseLuaProperty(uint offset, WzBinaryReader reader, WzObject parent, WzImage parentImg)
{
// 28 71 4F EF 1B 65 F9 1F A7 48 8D 11 73 E7 F0 27 55 09 DD 3C 07 32 D7 38 21 57 84 70 C1 79 9A 3F 49 F7 79 03 41 F4 9D B9 1B 5F CF 26 80 3D EC 25 5F 9C
// [compressed int] [bytes]
int length = reader.ReadCompressedInt();
byte[] rawEncBytes = reader.ReadBytes(length);
WzLuaProperty lua = new WzLuaProperty("Script", rawEncBytes)
{
Parent = parent
};
return(lua);
}
internal WzPngProperty(WzBinaryReader reader)
{
// Read compressed bytes
width = reader.ReadCompressedInt();
height = reader.ReadCompressedInt();
format = reader.ReadCompressedInt();
format2 = reader.ReadByte();
reader.BaseStream.Position += 4;
int len = reader.ReadInt32() - 1;
reader.BaseStream.Position += 1;
if (len > 0)
{
compressedBytes = reader.ReadBytes(len);
}
}
internal void ParseMainWzDirectory()
{
if (FilePath == null)
{
_log.Error("Path is null");
return;
}
if (!File.Exists(FilePath))
{
var message = $"WZ File does not exist at path: '{FilePath}'";
_log.Error(message);
throw new FileNotFoundException(message);
}
var reader = new WzBinaryReader(File.Open(FilePath, FileMode.Open, FileAccess.Read, FileShare.Read), _wzIv);
Header = new WzHeader
{
Ident = reader.ReadString(4),
FSize = reader.ReadUInt64(),
FStart = reader.ReadUInt32(),
Copyright = reader.ReadNullTerminatedString()
};
reader.ReadBytes((int)(Header.FStart - reader.BaseStream.Position));
reader.Header = Header;
_version = reader.ReadInt16();
if (Version == -1 && !CalculateVersion(reader))
{
throw new InvalidDataException(
"Error with game version hash : The specified game version is incorrect");
}
_versionHash = GetVersionHash(_version, Version);
reader.Hash = _versionHash;
var tempDirectory = new WzDirectory(reader, Name, _versionHash, _wzIv, this);
tempDirectory.ParseDirectory();
WzDirectory = tempDirectory;
}
private void ParseMainWzDirectory(byte[] wzIv)
{
if (FilePath == null)
{
throw new ArgumentNullException(nameof(FilePath), "WZ File path is null");
}
if (!File.Exists(FilePath))
{
throw new FileNotFoundException($"WZ File does not exist at path: '{FilePath}'");
}
var mmf = MemoryMappedFile.CreateFromFile(FilePath);
var reader = new WzBinaryReader(mmf.CreateViewStream(), wzIv);
Header = new WzHeader
{
Ident = reader.ReadString(4),
FSize = reader.ReadUInt64(),
FStart = reader.ReadUInt32(),
Copyright = reader.ReadNullTerminatedString()
};
reader.ReadBytes((int)(Header.FStart - reader.BaseStream.Position));
reader.Header = Header;
_version = reader.ReadInt16();
if (Version == -1 && !CalculateVersion(reader))
{
throw new InvalidDataException(
"Error with game version hash : The specified game version is incorrect");
}
_versionHash = GetVersionHash(_version, Version);
reader.Hash = _versionHash;
var tempDirectory = new WzDirectory(reader, Name, _versionHash, wzIv, this);
tempDirectory.ParseDirectory();
WzDirectory = tempDirectory;
}
internal void SaveImage(WzBinaryWriter writer)
{
if (changed)
{
if (reader != null && !parsed)
{
ParseImage();
}
WzSubProperty imgProp = new WzSubProperty();
long startPos = writer.BaseStream.Position;
imgProp.AddProperties(WzProperties);
imgProp.WriteValue(writer);
writer.StringCache.Clear();
size = (int)(writer.BaseStream.Position - startPos);
}
else
{
long pos = reader.BaseStream.Position;
reader.BaseStream.Position = offset;
writer.Write(reader.ReadBytes(size));
reader.BaseStream.Position = pos;
}
}
internal WzPngProperty(WzBinaryReader reader, bool parseNow)
{
this.wzReader = reader;
// Width Height
width = reader.ReadCompressedInt();
height = reader.ReadCompressedInt();
if (this.width >= 0x10000 || this.height >= 0x10000) // copy pasta eric <3
{
throw new ArgumentException(string.Format("Invalid WzPngProperty in Wz. Width: {0}, Height: {1}", width, height));
}
// Image format
nPixFormat = reader.ReadCompressedInt();
nMagLevel = reader.ReadByte();
// Other crap
reader.BaseStream.Position += 4;
offs = reader.BaseStream.Position;
int len = reader.ReadInt32() - 1;
reader.BaseStream.Position += 1;
if (len > 0)
{
if (parseNow)
{
compressedBytes = wzReader.ReadBytes(len);
ParsePng();
}
else
{
reader.BaseStream.Position += len;
}
}
wzReader = reader;
}
private byte[] GetBytes(bool saveInMemory)
{
if (_mp3Bytes != null)
{
return(_mp3Bytes);
}
if (_wzReader == null)
{
return(null);
}
var currentPos = _wzReader.BaseStream.Position;
_wzReader.BaseStream.Position = _offs;
_mp3Bytes = _wzReader.ReadBytes(_soundDataLen);
_wzReader.BaseStream.Position = currentPos;
if (saveInMemory)
{
return(_mp3Bytes);
}
var result = _mp3Bytes;
_mp3Bytes = null;
return(result);
}
internal void SaveImage(WzBinaryWriter writer)
{
if (Changed)
{
if (reader != null && !Parsed)
{
ParseImage();
}
var imgProp = new WzSubProperty();
var startPos = writer.BaseStream.Position;
imgProp.AddProperties(WzProperties);
imgProp.WriteValue(writer);
writer.StringCache.Clear();
BlockSize = (int)(writer.BaseStream.Position - startPos);
}
else
{
var pos = reader.BaseStream.Position;
reader.BaseStream.Position = Offset;
writer.Write(reader.ReadBytes(BlockSize));
reader.BaseStream.Position = pos;
}
}
/// <summary>
/// Parse directories in the WZ file
/// </summary>
/// <param name="parseErrorMessage"></param>
/// <param name="lazyParse">Only load the firt WzDirectory found if true</param>
/// <returns></returns>
internal bool ParseMainWzDirectory(out string parseErrorMessage, bool lazyParse = false)
{
if (this.path == null)
{
Helpers.ErrorLogger.Log(Helpers.ErrorLevel.Critical, "[Error] Path is null");
parseErrorMessage = "[Error] Path is null";
return(false);
}
WzBinaryReader reader = new WzBinaryReader(File.Open(this.path, FileMode.Open, FileAccess.Read, FileShare.Read), WzIv);
this.Header = new WzHeader();
this.Header.Ident = reader.ReadString(4);
this.Header.FSize = reader.ReadUInt64();
this.Header.FStart = reader.ReadUInt32();
this.Header.Copyright = reader.ReadNullTerminatedString();
reader.ReadBytes((int)(Header.FStart - reader.BaseStream.Position));
reader.Header = this.Header;
this.version = reader.ReadInt16();
if (mapleStoryPatchVersion == -1)
{
const short MAX_PATCH_VERSION = 10000; // wont be reached for the forseeable future.
for (int j = 0; j < MAX_PATCH_VERSION; j++)
{
this.mapleStoryPatchVersion = (short)j;
this.versionHash = GetVersionHash(version, mapleStoryPatchVersion);
if (this.versionHash == 0)
{
continue;
}
reader.Hash = this.versionHash;
long position = reader.BaseStream.Position; // save position to rollback to, if should parsing fail from here
WzDirectory testDirectory;
try
{
testDirectory = new WzDirectory(reader, this.name, this.versionHash, this.WzIv, this);
testDirectory.ParseDirectory(lazyParse);
}
catch
{
reader.BaseStream.Position = position;
continue;
}
try
{
List <WzImage> childImages = testDirectory.GetChildImages();
if (childImages.Count == 0) // coincidentally in msea v194 Map001.wz, the hash matches exactly using mapleStoryPatchVersion of 113, and it fails to decrypt later on (probably 1 in a million chance).
{
reader.BaseStream.Position = position; // reset
continue;
}
WzImage testImage = childImages[0];
try
{
reader.BaseStream.Position = testImage.Offset;
byte checkByte = reader.ReadByte();
reader.BaseStream.Position = position;
switch (checkByte)
{
case 0x73:
case 0x1b:
{
WzDirectory directory = new WzDirectory(reader, this.name, this.versionHash, this.WzIv, this);
directory.ParseDirectory(lazyParse);
this.wzDir = directory;
parseErrorMessage = "Success";
return(true);
}
default:
{
Helpers.ErrorLogger.Log(Helpers.ErrorLevel.MissingFeature, "New Wz image header found. checkByte = " + checkByte);
// log or something
break;
}
}
reader.BaseStream.Position = position; // reset
}
catch
{
reader.BaseStream.Position = position; // reset
}
}
finally
{
testDirectory.Dispose();
}
}
parseErrorMessage = "Error with game version hash : The specified game version is incorrect and WzLib was unable to determine the version itself";
}
else
{
this.versionHash = GetVersionHash(version, mapleStoryPatchVersion);
reader.Hash = this.versionHash;
WzDirectory directory = new WzDirectory(reader, this.name, this.versionHash, this.WzIv, this);
directory.ParseDirectory();
this.wzDir = directory;
}
parseErrorMessage = "Success";
return(true);
}
internal void ParseMainWzDirectory(WzFile parentFile = null)
{
if (mPath == null)
{
Console.WriteLine("[Error] Path is null");
return;
}
byte[] key = WzKeyGenerator.GenerateWzKey(mWzIv);
mReader = new WzBinaryReader(File.Open(mPath, FileMode.Open, FileAccess.Read, FileShare.Read), key, true);
Header = new WzHeader {
Ident = mReader.ReadString(4), FSize = mReader.ReadUInt64(), FStart = mReader.ReadUInt32(), Copyright = mReader.ReadNullTerminatedString()
};
int bytesToRead = (int)(Header.FStart - mReader.BaseStream.Position);
if (bytesToRead < 0)
{
throw new Exception("Unable to parse WZ file header");
}
mReader.ReadBytes(bytesToRead);
mReader.Header = Header;
mVersion = mReader.ReadInt16();
if (mFileVersion == -1)
{
for (int j = 0; j < short.MaxValue; j++)
{
mFileVersion = (short)j;
if (parentFile != null)
{
mFileVersion = parentFile.mFileVersion;
}
mVersionHash = GetVersionHash(mVersion, mFileVersion);
if (mVersionHash == 0)
{
continue;
}
mReader.Hash = mVersionHash;
long position = mReader.BaseStream.Position;
WzDirectory testDirectory;
try {
testDirectory = new WzDirectory(mReader, mName, mVersionHash, mWzIv);
testDirectory.ParseDirectory();
} catch {
mReader.BaseStream.Position = position;
continue;
}
foreach (WzImage s in testDirectory.GetChildImages())
{
if (s.Name.IndexOfAny(Path.GetInvalidFileNameChars()) >= 0)
{
testDirectory.Dispose();
throw new Exception("Invalid file names were detected. An invalid encryption may have been used.");
}
}
WzImage testImage = testDirectory.GetChildImages()[0];
try {
mReader.BaseStream.Position = testImage.Offset;
byte checkByte = mReader.ReadByte();
mReader.BaseStream.Position = position;
testDirectory.Dispose();
switch (checkByte)
{
case 0x73:
case 0x1b: {
mHash = mVersionHash;
ParseDirectory(parentFile);
return;
}
}
mReader.BaseStream.Position = position;
} catch {
mReader.BaseStream.Position = position;
}
}
throw new Exception("Error with game version hash : The specified game version is incorrect and WzLib was unable to determine the version itself");
}
mVersionHash = GetVersionHash(mVersion, mFileVersion);
mReader.Hash = mVersionHash;
mHash = mVersionHash;
ParseDirectory(parentFile);
}
/// <summary>
/// Parse directories in the WZ file
/// </summary>
/// <param name="parseErrorMessage"></param>
/// <param name="lazyParse">Only load the firt WzDirectory found if true</param>
/// <returns></returns>
internal WzFileParseStatus ParseMainWzDirectory(bool lazyParse = false)
{
if (this.path == null)
{
Helpers.ErrorLogger.Log(Helpers.ErrorLevel.Critical, "[Error] Path is null");
return(WzFileParseStatus.Path_Is_Null);
}
WzBinaryReader reader = new WzBinaryReader(File.Open(this.path, FileMode.Open, FileAccess.Read, FileShare.Read), WzIv);
this.Header = new WzHeader();
this.Header.Ident = reader.ReadString(4);
this.Header.FSize = reader.ReadUInt64();
this.Header.FStart = reader.ReadUInt32();
this.Header.Copyright = reader.ReadString((int)(Header.FStart - 17U));
byte unk1 = reader.ReadByte();
byte[] unk2 = reader.ReadBytes((int)(Header.FStart - (ulong)reader.BaseStream.Position));
reader.Header = this.Header;
this.wzVersionHeader = reader.ReadInt16();
if (mapleStoryPatchVersion == -1)
{
// Attempt to get version from MapleStory.exe first
short maplestoryVerDetectedFromClient = GetMapleStoryVerFromExe(this.path, out this.mapleLocaleVersion);
// this step is actually not needed if we know the maplestory patch version (the client .exe), but since we dont..
// we'll need a bruteforce way around it.
const short MAX_PATCH_VERSION = 10000; // wont be reached for the forseeable future.
for (int j = maplestoryVerDetectedFromClient; j < MAX_PATCH_VERSION; j++)
{
this.mapleStoryPatchVersion = (short)j;
this.versionHash = CheckAndGetVersionHash(wzVersionHeader, mapleStoryPatchVersion);
if (this.versionHash == 0) // ugly hack, but that's the only way if the version number isnt known (nexon stores this in the .exe)
{
continue;
}
reader.Hash = this.versionHash;
long position = reader.BaseStream.Position; // save position to rollback to, if should parsing fail from here
WzDirectory testDirectory;
try
{
testDirectory = new WzDirectory(reader, this.name, this.versionHash, this.WzIv, this);
testDirectory.ParseDirectory(lazyParse);
}
catch (Exception exp)
{
Debug.WriteLine(exp.ToString());
reader.BaseStream.Position = position;
continue;
}
// test the image and see if its correct by parsing it
bool bCloseTestDirectory = true;
try
{
WzImage testImage = testDirectory.WzImages.FirstOrDefault();
if (testImage != null)
{
try
{
reader.BaseStream.Position = testImage.Offset;
byte checkByte = reader.ReadByte();
reader.BaseStream.Position = position;
switch (checkByte)
{
case 0x73:
case 0x1b:
{
WzDirectory directory = new WzDirectory(reader, this.name, this.versionHash, this.WzIv, this);
directory.ParseDirectory(lazyParse);
this.wzDir = directory;
return(WzFileParseStatus.Success);
}
case 0x30:
case 0x6C: // idk
case 0xBC: // Map002.wz? KMST?
default:
{
Helpers.ErrorLogger.Log(Helpers.ErrorLevel.MissingFeature,
string.Format("[WzFile.cs] New Wz image header found. checkByte = {0}. File Name = {1}", checkByte, Name));
// log or something
break;
}
}
reader.BaseStream.Position = position; // reset
}
catch
{
reader.BaseStream.Position = position; // reset
}
}
else // if there's no image in the WZ file (new KMST Base.wz), test the directory instead
{
// coincidentally in msea v194 Map001.wz, the hash matches exactly using mapleStoryPatchVersion of 113, and it fails to decrypt later on (probably 1 in a million chance? o_O).
// damn, technical debt accumulating here
if (mapleStoryPatchVersion == 113)
{
// hack for now
reader.BaseStream.Position = position; // reset
continue;
}
else
{
this.wzDir = testDirectory;
bCloseTestDirectory = false;
return(WzFileParseStatus.Success);
}
}
}
finally
{
if (bCloseTestDirectory)
{
testDirectory.Dispose();
}
}
}
//parseErrorMessage = "Error with game version hash : The specified game version is incorrect and WzLib was unable to determine the version itself";
return(WzFileParseStatus.Error_Game_Ver_Hash);
}
else
{
this.versionHash = CheckAndGetVersionHash(wzVersionHeader, mapleStoryPatchVersion);
reader.Hash = this.versionHash;
WzDirectory directory = new WzDirectory(reader, this.name, this.versionHash, this.WzIv, this);
directory.ParseDirectory();
this.wzDir = directory;
}
return(WzFileParseStatus.Success);
}
/// <summary>
/// Parse directories in the WZ file
/// </summary>
/// <param name="parseErrorMessage"></param>
/// <param name="lazyParse">Only load the firt WzDirectory found if true</param>
/// <returns></returns>
internal WzFileParseStatus ParseMainWzDirectory(bool lazyParse = false)
{
if (this.path == null)
{
Helpers.ErrorLogger.Log(Helpers.ErrorLevel.Critical, "[Error] Path is null");
return(WzFileParseStatus.Path_Is_Null);
}
WzBinaryReader reader = new WzBinaryReader(File.Open(this.path, FileMode.Open, FileAccess.Read, FileShare.Read), WzIv);
this.Header = new WzHeader();
this.Header.Ident = reader.ReadString(4);
this.Header.FSize = reader.ReadUInt64();
this.Header.FStart = reader.ReadUInt32();
this.Header.Copyright = reader.ReadString((int)(Header.FStart - 17U));
byte unk1 = reader.ReadByte();
byte[] unk2 = reader.ReadBytes((int)(Header.FStart - (ulong)reader.BaseStream.Position));
reader.Header = this.Header;
Check64BitClient(reader); // update b64BitClient flag
// the value of wzVersionHeader is less important. It is used for reading/writing from/to WzFile Header, and calculating the versionHash.
// it can be any number if the client is 64-bit. Assigning 777 is just for convenience when calculating the versionHash.
this.wzVersionHeader = b64BitClient && !b64BitClient_withVerHeader ? wzVersionHeader64bit_start : reader.ReadUInt16();
if (mapleStoryPatchVersion == -1)
{
// for 64-bit client, return immediately if version 777 works correctly.
// -- the latest KMS update seems to have changed it to 778? 779?
if (b64BitClient)
{
for (ushort maplestoryVerToDecode = wzVersionHeader64bit_start; maplestoryVerToDecode < wzVersionHeader64bit_start + 10; maplestoryVerToDecode++)
{
if (TryDecodeWithWZVersionNumber(reader, wzVersionHeader, maplestoryVerToDecode, lazyParse))
{
return(WzFileParseStatus.Success);
}
}
}
// Attempt to get version from MapleStory.exe first
short maplestoryVerDetectedFromClient = GetMapleStoryVerFromExe(this.path, out this.mapleLocaleVersion);
// this step is actually not needed if we know the maplestory patch version (the client .exe), but since we dont..
// we'll need a bruteforce way around it.
const short MAX_PATCH_VERSION = 1000; // wont be reached for the forseeable future.
for (int j = maplestoryVerDetectedFromClient; j < MAX_PATCH_VERSION; j++)
{
if (TryDecodeWithWZVersionNumber(reader, wzVersionHeader, j, lazyParse))
{
return(WzFileParseStatus.Success);
}
}
//parseErrorMessage = "Error with game version hash : The specified game version is incorrect and WzLib was unable to determine the version itself";
return(WzFileParseStatus.Error_Game_Ver_Hash);
}
else
{
this.versionHash = CheckAndGetVersionHash(wzVersionHeader, mapleStoryPatchVersion);
reader.Hash = this.versionHash;
WzDirectory directory = new WzDirectory(reader, this.name, this.versionHash, this.WzIv, this);
directory.ParseDirectory();
this.wzDir = directory;
}
return(WzFileParseStatus.Success);
}
internal void ParseMainWzDirectory()
{
if (FilePath == null)
{
Log.LogCritical("Path is null");
return;
}
var reader = new WzBinaryReader(File.Open(FilePath, FileMode.Open, FileAccess.Read, FileShare.Read), _wzIv);
Header = new WzHeader
{
Ident = reader.ReadString(4),
FSize = reader.ReadUInt64(),
FStart = reader.ReadUInt32(),
Copyright = reader.ReadNullTerminatedString()
};
reader.ReadBytes((int)(Header.FStart - reader.BaseStream.Position));
reader.Header = Header;
_version = reader.ReadInt16();
if (FileVersion == -1)
{
for (var j = 0; j < short.MaxValue; j++)
{
FileVersion = (short)j;
_versionHash = GetVersionHash(_version, FileVersion);
if (_versionHash != 0)
{
reader.Hash = _versionHash;
var position = reader.BaseStream.Position;
WzDirectory testDirectory;
try
{
testDirectory = new WzDirectory(reader, Name, _versionHash, _wzIv, this);
testDirectory.ParseDirectory();
}
catch
{
reader.BaseStream.Position = position;
continue;
}
var testImage = testDirectory.GetChildImages()[0];
try
{
reader.BaseStream.Position = testImage.Offset;
var checkByte = reader.ReadByte();
reader.BaseStream.Position = position;
testDirectory.Dispose();
switch (checkByte)
{
case 0x73:
case 0x1b:
{
var directory = new WzDirectory(reader, Name, _versionHash, _wzIv, this);
directory.ParseDirectory();
WzDirectory = directory;
return;
}
}
reader.BaseStream.Position = position;
}
catch
{
reader.BaseStream.Position = position;
}
}
}
throw new Exception(
"Error with game version hash : The specified game version is incorrect and WzLib was unable to determine the version itself");
}
{
_versionHash = GetVersionHash(_version, FileVersion);
reader.Hash = _versionHash;
var directory = new WzDirectory(reader, Name, _versionHash, _wzIv, this);
directory.ParseDirectory();
WzDirectory = directory;
}
}
internal void ParseMainWzDirectory()
{
if (this.path == null)
{
Helpers.ErrorLogger.Log(Helpers.ErrorLevel.Critical, "[Error] Path is null");
return;
}
WzBinaryReader reader = new WzBinaryReader(File.Open(this.path, FileMode.Open, FileAccess.Read, FileShare.Read), mapleVersion);
this.Header = new WzHeader();
this.Header.Ident = reader.ReadString(4);
this.Header.FSize = reader.ReadUInt64();
this.Header.FStart = reader.ReadUInt32();
this.Header.Copyright = reader.ReadNullTerminatedString();
reader.ReadBytes((int)(Header.FStart - reader.BaseStream.Position));
reader.Header = this.Header;
this.version = reader.ReadInt16();
if (fileVersion == -1)
{
for (int j = 0; j < short.MaxValue; j++)
{
this.fileVersion = (short)j;
this.versionHash = GetVersionHash(version, fileVersion);
if (this.versionHash != 0)
{
reader.Hash = this.versionHash;
long position = reader.BaseStream.Position;
WzDirectory testDirectory = null;
try
{
testDirectory = new WzDirectory(reader, this.name, this.versionHash, this.WzIv, this);
testDirectory.ParseDirectory();
}
catch
{
reader.BaseStream.Position = position;
continue;
}
WzImage testImage = testDirectory.GetChildImages()[0];
try
{
reader.BaseStream.Position = testImage.Offset;
byte checkByte = reader.ReadByte();
reader.BaseStream.Position = position;
testDirectory.Dispose();
switch (checkByte)
{
case 0x73:
case 0x1b:
{
WzDirectory directory = new WzDirectory(reader, this.name, this.versionHash, this.WzIv, this);
directory.ParseDirectory();
this.wzDir = directory;
return;
}
}
reader.BaseStream.Position = position;
}
catch
{
reader.BaseStream.Position = position;
}
}
}
throw new Exception("Error with game version hash : The specified game version is incorrect and WzLib was unable to determine the version itself");
}
else
{
this.versionHash = GetVersionHash(version, fileVersion);
reader.Hash = this.versionHash;
WzDirectory directory = new WzDirectory(reader, this.name, this.versionHash, this.WzIv, this);
directory.ParseDirectory();
this.wzDir = directory;
}
}
/// <summary>
/// Parse directories in the WZ file
/// </summary>
/// <param name="parseErrorMessage"></param>
/// <param name="lazyParse">Only load the firt WzDirectory found if true</param>
/// <returns></returns>
internal WzFileParseStatus ParseMainWzDirectory(bool lazyParse = false)
{
if (this.path == null)
{
Helpers.ErrorLogger.Log(Helpers.ErrorLevel.Critical, "[Error] Path is null");
return(WzFileParseStatus.Path_Is_Null);
}
WzBinaryReader reader = new WzBinaryReader(File.Open(this.path, FileMode.Open, FileAccess.Read, FileShare.Read), WzIv);
this.Header = new WzHeader();
this.Header.Ident = reader.ReadString(4);
this.Header.FSize = reader.ReadUInt64();
this.Header.FStart = reader.ReadUInt32();
this.Header.Copyright = reader.ReadString((int)(Header.FStart - 17U));
reader.ReadBytes(1);
reader.ReadBytes((int)(Header.FStart - (ulong)reader.BaseStream.Position));
reader.Header = this.Header;
this.version = reader.ReadInt16();
if (mapleStoryPatchVersion == -1)
{
const short MAX_PATCH_VERSION = 10000; // wont be reached for the forseeable future.
for (int j = 0; j < MAX_PATCH_VERSION; j++)
{
this.mapleStoryPatchVersion = (short)j;
this.versionHash = CheckAndGetVersionHash(version, mapleStoryPatchVersion);
if (this.versionHash == 0) // ugly hack, but that's the only way if the version number isnt known (nexon stores this in the .exe)
{
continue;
}
reader.Hash = this.versionHash;
long position = reader.BaseStream.Position; // save position to rollback to, if should parsing fail from here
WzDirectory testDirectory;
try
{
testDirectory = new WzDirectory(reader, this.name, this.versionHash, this.WzIv, this);
testDirectory.ParseDirectory(lazyParse);
}
catch (Exception exp)
{
Debug.WriteLine(exp.ToString());
reader.BaseStream.Position = position;
continue;
}
try
{
List <WzImage> childImages = testDirectory.GetChildImages();
if (childImages.Count == 0) // coincidentally in msea v194 Map001.wz, the hash matches exactly using mapleStoryPatchVersion of 113, and it fails to decrypt later on (probably 1 in a million chance).
{
reader.BaseStream.Position = position; // reset
continue;
}
WzImage testImage = childImages[0];
try
{
reader.BaseStream.Position = testImage.Offset;
byte checkByte = reader.ReadByte();
reader.BaseStream.Position = position;
switch (checkByte)
{
case 0x73:
case 0x1b:
{
WzDirectory directory = new WzDirectory(reader, this.name, this.versionHash, this.WzIv, this);
directory.ParseDirectory(lazyParse);
this.wzDir = directory;
return(WzFileParseStatus.Success);
}
case 0x30:
case 0x6C: // idk
case 0xBC: // Map002.wz? KMST?
default:
{
Helpers.ErrorLogger.Log(Helpers.ErrorLevel.MissingFeature,
string.Format("[WzFile.cs] New Wz image header found. checkByte = {0}. File Name = {1}", checkByte, Name));
// log or something
break;
}
}
reader.BaseStream.Position = position; // reset
}
catch
{
reader.BaseStream.Position = position; // reset
}
}
finally
{
testDirectory.Dispose();
}
}
//parseErrorMessage = "Error with game version hash : The specified game version is incorrect and WzLib was unable to determine the version itself";
return(WzFileParseStatus.Error_Game_Ver_Hash);
}
else
{
this.versionHash = CheckAndGetVersionHash(version, mapleStoryPatchVersion);
reader.Hash = this.versionHash;
WzDirectory directory = new WzDirectory(reader, this.name, this.versionHash, this.WzIv, this);
directory.ParseDirectory();
this.wzDir = directory;
}
return(WzFileParseStatus.Success);
}