/// <summary>
/// Parses the image from the wz filetod
/// </summary>
/// <param name="wzReader">The BinaryReader that is currently reading the wz file</param>
/// <returns>bool Parse status</returns>
public bool ParseImage(bool parseEverything)
{
if (Parsed)
{
return(true);
}
else if (Changed)
{
Parsed = true;
return(true);
}
this.parseEverything = parseEverything;
long originalPos = reader.BaseStream.Position;
reader.BaseStream.Position = offset;
byte b = reader.ReadByte();
string prop = reader.ReadString();
ushort val = reader.ReadUInt16();
if (b != WzImageHeaderByte || prop != "Property" || val != 0)
{
return(false);
}
properties.AddRange(WzImageProperty.ParsePropertyList(offset, reader, this, this));
parsed = true;
return(true);
}
/// <summary>
/// Parses the WzDirectory
/// </summary>
internal void ParseDirectory()
{
int entryCount = reader.ReadCompressedInt();
for (int i = 0; i < entryCount; i++)
{
byte type = reader.ReadByte();
string fname = null;
int fsize;
int checksum;
uint offset;
long rememberPos = 0;
if (type == 2)
{
int stringOffset = reader.ReadInt32();
rememberPos = reader.BaseStream.Position;
reader.BaseStream.Position = reader.Header.FStart + stringOffset;
type = reader.ReadByte();
fname = reader.ReadString();
}
else if (type == 3 || type == 4)
{
fname = reader.ReadString();
rememberPos = reader.BaseStream.Position;
}
reader.BaseStream.Position = rememberPos;
fsize = reader.ReadCompressedInt();
checksum = reader.ReadCompressedInt();
offset = reader.ReadOffset();
if (type == 3)
{
WzDirectory subDir = new WzDirectory(reader, fname, hash, WzIv);
subDir.BlockSize = fsize;
subDir.Checksum = checksum;
subDir.Offset = offset;
subDir.Parent = this;
subDirs.Add(subDir);
}
else
{
WzImage img = new WzImage(fname, reader);
img.BlockSize = fsize;
img.Checksum = checksum;
img.Offset = offset;
img.Parent = this;
images.Add(img);
}
}
foreach (WzDirectory subdir in subDirs)
{
reader.BaseStream.Position = subdir.offset;
subdir.ParseDirectory();
}
}
internal void DumpBlock(int endOfBlock, string name)
{
switch (reader.ReadByte())
{
case 0x1B:
ExtractMore(endOfBlock, name, reader.ReadStringAtOffset(offset + reader.ReadInt32()));
return;
case 0x73:
ExtractMore(endOfBlock, name, "");
return;
}
}
/// <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;
}
}
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>
/// 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;
}
//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;
}
}
private bool CalculateVersion(WzBinaryReader reader)
{
for (var j = 0; j < short.MaxValue; j++)
{
Version = (short)j;
_versionHash = GetVersionHash(_version, Version);
if (_versionHash == 0)
{
continue;
}
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(true);
default:
reader.BaseStream.Position = position;
return(true);
}
}
catch
{
reader.BaseStream.Position = position;
}
}
return(false);
}
/// <summary>
/// Parses the image from the wz filetod
/// </summary>
/// <param name="wzReader">The BinaryReader that is currently reading the wz file</param>
public void ParseImage(bool parseEverything)
{
if (Parsed)
{
return;
}
else if (Changed)
{
Parsed = true; return;
}
this.parseEverything = parseEverything;
long originalPos = reader.BaseStream.Position;
reader.BaseStream.Position = offset;
byte b = reader.ReadByte();
if (b != 0x73 || reader.ReadString() != "Property" || reader.ReadUInt16() != 0)
{
return;
}
properties.AddRange(WzImageProperty.ParsePropertyList(offset, reader, this, this));
parsed = true;
}
internal static IExtended ParseExtendedProp(WzBinaryReader reader, uint offset, int endOfBlock, string name, IWzObject parent, WzImage imgParent)
{
switch (reader.ReadByte())
{
case 0x1B:
return(ExtractMore(reader, offset, endOfBlock, name, reader.ReadStringAtOffset(offset + reader.ReadInt32()), parent, imgParent));
case 0x73:
return(ExtractMore(reader, offset, endOfBlock, name, "", parent, imgParent));
default:
throw new System.Exception("Invlid byte read at ParseExtendedProp");
}
}
/// <summary>
/// Parses the image from the wz filetod
/// </summary>
/// <param name="wzReader">The BinaryReader that is currently reading the wz file</param>
public void ParseImage()
{
long originalPos = reader.BaseStream.Position;
reader.BaseStream.Position = offset;
byte b = reader.ReadByte();
string tmp = reader.ReadString();
ushort tmp2 = reader.ReadUInt16();
if (b != 0x73 || tmp != "Property" || tmp2 != 0)
{
return;
}
properties.AddRange(IWzImageProperty.ParsePropertyList(offset, reader, this, this));
parsed = true;
}
internal static AWzImageProperty ParseExtendedProp(WzBinaryReader pReader, uint pOffset, int pEndOfBlock, string pName, AWzObject pParent, WzImage pImgParent)
{
byte b = pReader.ReadByte();
switch (b)
{
case 0x1B:
return(ExtractMore(pReader, pOffset, pEndOfBlock, pName, pReader.ReadStringAtOffset(pOffset + pReader.ReadInt32()), pParent, pImgParent));
case 0x73:
return(ExtractMore(pReader, pOffset, pEndOfBlock, pName, pReader.ReadString(), pParent, pImgParent));
default:
return(null);
//throw new Exception("Invlid type at ParseExtendedProp: " + b);
}
}
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);
}
}
/// <summary>
/// Parses the image from the wz filetod
/// </summary>
public void ParseImage()
{
//long originalPos = mReader.BaseStream.Position;
//byte[] keyCopy = mReader.WzKey;
//Array.Copy(mReader.WzKey, keyCopy, mReader.WzKey.Length);
mReader.BaseStream.Position = mOffset;
byte b = mReader.ReadByte();
if (b != 0x73 || mReader.ReadString() != "Property" || mReader.ReadUInt16() != 0)
{
return;
}
List <AWzImageProperty> properties = ParsePropertyList(mOffset, mReader, this, this);
mProperties.AddRange(properties);
properties.Clear();
mParsed = true;
}
internal WzPngProperty(WzBinaryReader pReader)
{
// Read compressed bytes
mWidth = pReader.ReadCompressedInt();
mHeight = pReader.ReadCompressedInt();
mFormat = pReader.ReadCompressedInt();
mFormat2 = pReader.ReadByte();
pReader.BaseStream.Position += 4;
mOffsets = pReader.BaseStream.Position;
int len = pReader.ReadInt32() - 1;
pReader.BaseStream.Position += 1;
if (len > 0)
{
pReader.BaseStream.Position += len;
}
mWzReader = pReader;
}
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;
}
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 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);
}
/// <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(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);
}
internal static List <IWzImageProperty> ParsePropertyList(uint offset, WzBinaryReader reader, IWzObject parent, WzImage parentImg)
{
int entryCount = reader.ReadCompressedInt();
List <IWzImageProperty> properties = new List <IWzImageProperty>(entryCount);
for (int i = 0; i < entryCount; i++)
{
string name = reader.ReadStringBlock(offset);
switch (reader.ReadByte())
{
case 0:
properties.Add(new WzNullProperty(name)
{
Parent = parent /*, ParentImage = parentImg*/
});
break;
case 0x0B:
case 2:
properties.Add(new WzUnsignedShortProperty(name, reader.ReadUInt16())
{
Parent = parent /*, ParentImage = parentImg*/
});
break;
case 3:
properties.Add(new WzCompressedIntProperty(name, reader.ReadCompressedInt())
{
Parent = parent /*, ParentImage = parentImg*/
});
break;
case 4:
byte type = reader.ReadByte();
if (type == 0x80)
{
properties.Add(new WzByteFloatProperty(name, reader.ReadSingle())
{
Parent = parent /*, ParentImage = parentImg*/
});
}
else if (type == 0)
{
properties.Add(new WzByteFloatProperty(name, 0f)
{
Parent = parent /*, ParentImage = parentImg*/
});
}
break;
case 5:
properties.Add(new WzDoubleProperty(name, reader.ReadDouble())
{
Parent = parent /*, ParentImage = parentImg*/
});
break;
case 8:
properties.Add(new WzStringProperty(name, reader.ReadStringBlock(offset))
{
Parent = parent
});
break;
case 9:
int eob = (int)(reader.ReadUInt32() + reader.BaseStream.Position);
IWzImageProperty exProp = ParseExtendedProp(reader, offset, eob, name, parent, parentImg);
properties.Add(exProp);
if (reader.BaseStream.Position != eob)
{
reader.BaseStream.Position = eob;
}
break;
default:
throw new Exception("Unknown property type at ParsePropertyList");
}
}
return(properties);
}
/// <summary>
/// Parses the WzDirectory
/// <paramref name="lazyParse">Only parses the first directory</paramref>
/// </summary>
internal void ParseDirectory(bool lazyParse = false)
{
//Debug.WriteLine(HexTool.ToString( reader.ReadBytes(20)));
//reader.BaseStream.Position = reader.BaseStream.Position - 20;
long available = reader.Available();
if (available == 0)
{
return;
}
int entryCount = reader.ReadCompressedInt();
if (entryCount < 0 || entryCount > 100000) // probably nothing > 100k folders for now.
{
throw new Exception("Invalid wz version used for decryption, try parsing other version numbers.");
}
for (int i = 0; i < entryCount; i++)
{
byte type = reader.ReadByte();
string fname = null;
int fsize;
int checksum;
uint offset;
long rememberPos = 0;
switch (type)
{
case 1: //01 XX 00 00 00 00 00 OFFSET (4 bytes)
{
int unknown = reader.ReadInt32();
reader.ReadInt16();
uint offs = reader.ReadOffset();
continue;
}
case 2:
{
int stringOffset = reader.ReadInt32();
rememberPos = reader.BaseStream.Position;
reader.BaseStream.Position = reader.Header.FStart + stringOffset;
type = reader.ReadByte();
fname = reader.ReadString();
break;
}
case 3:
case 4:
{
fname = reader.ReadString();
rememberPos = reader.BaseStream.Position;
break;
}
default:
{
throw new Exception("[WzDirectory] Unknown directory. type = " + type);
}
}
reader.BaseStream.Position = rememberPos;
fsize = reader.ReadCompressedInt();
checksum = reader.ReadCompressedInt();
offset = reader.ReadOffset(); // IWzArchive::Getposition(pArchive)
if (type == 3)
{
WzDirectory subDir = new WzDirectory(reader, fname, hash, WzIv, wzFile)
{
BlockSize = fsize,
Checksum = checksum,
Offset = offset,
Parent = this
};
subDirs.Add(subDir);
if (lazyParse)
{
break;
}
}
else
{
WzImage img = new WzImage(fname, reader, checksum)
{
BlockSize = fsize,
Offset = offset,
Parent = this
};
images.Add(img);
if (lazyParse)
{
break;
}
}
}
foreach (WzDirectory subdir in subDirs)
{
if (subdir.Checksum != 0)
{
reader.BaseStream.Position = subdir.offset;
subdir.ParseDirectory();
}
}
}
/// <summary>
/// Parses the WzDirectory
/// <paramref name="lazyParse">Only parses the first directory</paramref>
/// </summary>
internal void ParseDirectory(bool lazyParse = false)
{
//Debug.WriteLine(HexTool.ToString( reader.ReadBytes(20)));
//reader.BaseStream.Position = reader.BaseStream.Position - 20;
int entryCount = reader.ReadCompressedInt();
for (int i = 0; i < entryCount; i++)
{
byte type = reader.ReadByte();
string fname = null;
int fsize;
int checksum;
uint offset;
long rememberPos = 0;
switch (type)
{
case 1: //01 XX 00 00 00 00 00 OFFSET (4 bytes)
{
int unknown = reader.ReadInt32();
reader.ReadInt16();
uint offs = reader.ReadOffset();
continue;
}
case 2:
{
int stringOffset = reader.ReadInt32();
rememberPos = reader.BaseStream.Position;
reader.BaseStream.Position = reader.Header.FStart + stringOffset;
type = reader.ReadByte();
fname = reader.ReadString();
break;
}
case 3:
case 4:
{
fname = reader.ReadString();
rememberPos = reader.BaseStream.Position;
break;
}
default:
{
break;
}
}
reader.BaseStream.Position = rememberPos;
fsize = reader.ReadCompressedInt();
checksum = reader.ReadCompressedInt();
offset = reader.ReadOffset();
if (type == 3)
{
WzDirectory subDir = new WzDirectory(reader, fname, hash, WzIv, wzFile);
subDir.BlockSize = fsize;
subDir.Checksum = checksum;
subDir.Offset = offset;
subDir.Parent = this;
subDirs.Add(subDir);
if (lazyParse)
{
break;
}
}
else
{
WzImage img = new WzImage(fname, reader);
img.BlockSize = fsize;
img.Checksum = checksum;
img.Offset = offset;
img.Parent = this;
images.Add(img);
if (lazyParse)
{
break;
}
}
}
foreach (WzDirectory subdir in subDirs)
{
reader.BaseStream.Position = subdir.offset;
subdir.ParseDirectory();
}
}
/// <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>
/// Parses the WzDirectory
/// </summary>
internal void ParseDirectory(WzFile parent = null)
{
//Array.Copy(mReader.WzKey, keyCopy, mReader.WzKey.Length);
int entryCount = mReader.ReadCompressedInt();
for (int i = 0; i < entryCount; i++)
{
byte type = mReader.ReadByte();
string fname = null;
int fsize;
int checksum;
uint offset;
long rememberPos = 0;
switch (type)
{
case 1: {
mReader.ReadInt32();
mReader.ReadInt16();
mReader.ReadOffset();
continue;
}
case 2: {
int stringOffset = mReader.ReadInt32();
rememberPos = mReader.BaseStream.Position;
mReader.BaseStream.Position = mReader.Header.FStart + stringOffset;
type = mReader.ReadByte();
fname = mReader.ReadString().Trim();
}
break;
case 3:
case 4:
fname = mReader.ReadString().Trim();
rememberPos = mReader.BaseStream.Position;
break;
}
mReader.BaseStream.Position = rememberPos;
fsize = mReader.ReadCompressedInt();
checksum = mReader.ReadCompressedInt();
offset = mReader.ReadOffset();
if (type == 3)
{
WzDirectory subDir = new WzDirectory(mReader, fname, mHash, mWzIv)
{
BlockSize = fsize, Checksum = checksum, Offset = offset, Parent = parent ?? this
};
if (parent != null)
{
parent.mSubDirs.Add(subDir);
}
mSubDirs.Add(subDir);
}
else
{
WzImage img = new WzImage(fname, mReader)
{
BlockSize = fsize, Checksum = checksum, Offset = offset, Parent = parent ?? this
};
if (parent != null)
{
parent.mImages.Add(img);
}
mImages.Add(img);
}
}
foreach (WzDirectory subdir in mSubDirs)
{
mReader.BaseStream.Position = subdir.mOffset;
subdir.ParseDirectory();
}
}
/// <summary>
/// Parses the image from the wz filetod
/// </summary>
/// <param name="wzReader">The BinaryReader that is currently reading the wz file</param>
/// <returns>bool Parse status</returns>
public bool ParseImage(bool forceReadFromData = false)
{
if (!forceReadFromData) // only check if parsed or changed if its not false read
{
if (Parsed)
{
return(true);
}
else if (Changed)
{
Parsed = true;
return(true);
}
}
lock (reader) // for multi threaded XMLWZ export.
{
long originalPos = reader.BaseStream.Position;
reader.BaseStream.Position = offset;
byte b = reader.ReadByte();
switch (b)
{
case 0x1: // .lua
{
if (IsLuaWzImage)
{
WzLuaProperty lua = WzImageProperty.ParseLuaProperty(offset, reader, this, this);
List <WzImageProperty> luaImage = new List <WzImageProperty>();
luaImage.Add(lua);
properties.AddRange(luaImage);
parsed = true; // test
return(true);
}
return(false); // unhandled for now, if it isnt an .lua image
}
case WzImageHeaderByte:
{
string prop = reader.ReadString();
ushort val = reader.ReadUInt16();
if (prop != "Property" || val != 0)
{
return(false);
}
break;
}
default:
{
// todo: log this or warn.
Helpers.ErrorLogger.Log(Helpers.ErrorLevel.MissingFeature, "[WzImage] New Wz image header found. b = " + b);
return(false);
}
}
List <WzImageProperty> images = WzImageProperty.ParsePropertyList(offset, reader, this, this);
properties.AddRange(images);
parsed = true;
}
return(true);
}
private bool TryDecodeWithWZVersionNumber(WzBinaryReader reader, int useWzVersionHeader, int useMapleStoryPatchVersion, bool lazyParse)
{
this.mapleStoryPatchVersion = (short)useMapleStoryPatchVersion;
this.versionHash = CheckAndGetVersionHash(useWzVersionHeader, 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)
{
return(false);
}
reader.Hash = this.versionHash;
long fallbackOffsetPosition = 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 = fallbackOffsetPosition;
return(false);
}
// 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 = fallbackOffsetPosition;
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(true);
}
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 = fallbackOffsetPosition; // reset
}
catch
{
reader.BaseStream.Position = fallbackOffsetPosition; // reset
return(false);
}
return(true);
}
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 = fallbackOffsetPosition; // reset
return(false);
}
else
{
this.wzDir = testDirectory;
bCloseTestDirectory = false;
return(true);
}
}
}
finally
{
if (bCloseTestDirectory)
{
testDirectory.Dispose();
}
}
}
internal static IExtended ExtractMore(WzBinaryReader reader, uint offset, int eob, string name, string iname, IWzObject parent, WzImage imgParent)
{
if (iname == "")
{
iname = reader.ReadString();
}
switch (iname)
{
case "Property":
WzSubProperty subProp = new WzSubProperty(name)
{
Parent = parent
};
reader.BaseStream.Position += 2;
subProp.AddProperties(IWzImageProperty.ParsePropertyList(offset, reader, subProp, imgParent));
return(subProp);
case "Canvas":
WzCanvasProperty canvasProp = new WzCanvasProperty(name)
{
Parent = parent
};
reader.BaseStream.Position++;
if (reader.ReadByte() == 1)
{
reader.BaseStream.Position += 2;
canvasProp.AddProperties(IWzImageProperty.ParsePropertyList(offset, reader, canvasProp, imgParent));
}
canvasProp.PngProperty = new WzPngProperty(reader, imgParent.parseEverything)
{
Parent = canvasProp
};
return(canvasProp);
case "Shape2D#Vector2D":
WzVectorProperty vecProp = new WzVectorProperty(name)
{
Parent = parent
};
vecProp.X = new WzCompressedIntProperty("X", reader.ReadCompressedInt())
{
Parent = vecProp
};
vecProp.Y = new WzCompressedIntProperty("Y", reader.ReadCompressedInt())
{
Parent = vecProp
};
return(vecProp);
case "Shape2D#Convex2D":
WzConvexProperty convexProp = new WzConvexProperty(name)
{
Parent = parent
};
int convexEntryCount = reader.ReadCompressedInt();
convexProp.WzProperties.Capacity = convexEntryCount; //performance thing
for (int i = 0; i < convexEntryCount; i++)
{
convexProp.AddProperty(ParseExtendedProp(reader, offset, 0, name, convexProp, imgParent));
}
return(convexProp);
case "Sound_DX8":
WzSoundProperty soundProp = new WzSoundProperty(name, reader, imgParent.parseEverything)
{
Parent = parent
};
return(soundProp);
case "UOL":
reader.BaseStream.Position++;
switch (reader.ReadByte())
{
case 0:
return(new WzUOLProperty(name, reader.ReadString())
{
Parent = parent
});
case 1:
return(new WzUOLProperty(name, reader.ReadStringAtOffset(offset + reader.ReadInt32()))
{
Parent = parent
});
}
throw new Exception("Unsupported UOL type");
default:
throw new Exception("Unknown iname: " + iname);
}
}
internal static IWzImageProperty[] ParsePropertyList(uint offset, WzBinaryReader reader, IWzObject parent, WzImage parentImg)
{
List <IWzImageProperty> properties = new List <IWzImageProperty>();
int entryCount = reader.ReadCompressedInt();
for (int i = 0; i < entryCount; i++)
{
string name = reader.ReadStringBlock(offset);
byte ptype = reader.ReadByte();
switch (ptype)
{
case 0:
properties.Add(new WzNullProperty(name, i)
{
Parent = parent, ParentImage = parentImg
});
break;
case 0x0B:
case 2:
properties.Add(new WzUnsignedShortProperty(name, reader.ReadUInt16())
{
Parent = parent, ParentImage = parentImg
});
break;
case 3:
properties.Add(new WzCompressedIntProperty(name, reader.ReadCompressedInt())
{
Parent = parent, ParentImage = parentImg
});
break;
case 4:
byte type = reader.ReadByte();
if (type == 0x80)
{
properties.Add(new WzByteFloatProperty(name, reader.ReadSingle())
{
Parent = parent, ParentImage = parentImg
});
}
else if (type == 0)
{
properties.Add(new WzByteFloatProperty(name, 0f)
{
Parent = parent, ParentImage = parentImg
});
}
break;
case 5:
properties.Add(new WzDoubleProperty(name, reader.ReadDouble())
{
Parent = parent, ParentImage = parentImg
});
break;
case 8:
properties.Add(new WzStringProperty(name, reader.ReadStringBlock(offset))
{
Parent = parent
});
break;
case 9:
int eob = (int)(reader.ReadUInt32() + reader.BaseStream.Position);
WzExtendedProperty exProp = new WzExtendedProperty(offset, eob, name);
exProp.Parent = parent;
exProp.ParentImage = parentImg;
exProp.ParseExtendedProperty(reader);
properties.Add(exProp);
if (reader.BaseStream.Position != eob)
{
reader.BaseStream.Position = eob;
}
break;
default:
{
Console.WriteLine("Unknown type: {0} | {1}", ptype, name);
break;
}
}
}
return(properties.ToArray());
}
/// <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);
}
