/// <summary>
/// Parses a wz list file on the disk
/// </summary>
/// <param name="filePath">Path to the wz file</param>
/// <param name="wzIv"></param>
public static List <string> ParseListFile(string filePath, byte[] wzIv)
{
var listEntries = new List <string>();
var wzFileBytes = File.ReadAllBytes(filePath);
var wzParser = new WzBinaryReader(new MemoryStream(wzFileBytes), wzIv);
while (wzParser.PeekChar() != -1)
{
var len = wzParser.ReadInt32();
var strChrs = new char[len];
for (var i = 0; i < len; i++)
{
strChrs[i] = (char)wzParser.ReadInt16();
}
wzParser.ReadUInt16(); //encrypted null
var decryptedStr = wzParser.DecryptString(strChrs);
listEntries.Add(decryptedStr);
}
wzParser.Close();
var lastIndex = listEntries.Count - 1;
var lastEntry = listEntries[lastIndex];
listEntries[lastIndex] = lastEntry.Substring(0, lastEntry.Length - 1) + "g";
return(listEntries);
}
/// <summary>
/// Parses the wz list file
/// </summary>
public void ParseWzFile()
{
//WzTools.CreateWzKey(WzMapleVersion.GMS);//what?
WzBinaryReader wzParser = new WzBinaryReader(new MemoryStream(wzFileBytes), WzIv);
while (wzParser.PeekChar() != -1)
{
int Len = wzParser.ReadInt32();
char[] List = new char[Len];
for (int i = 0; i < Len; i++)
{
List[i] = (char)wzParser.ReadInt16();
}
wzParser.ReadUInt16();
string Decrypted = wzParser.DecryptString(List);
if (wzParser.PeekChar() == -1)
{
if (Decrypted[Decrypted.Length - 1] == '/')
{
Decrypted = Decrypted.TrimEnd("/".ToCharArray()) + "g"; // Last char should always be a g (.img)
}
}
listEntries.Add(Decrypted);
}
wzParser.Close();
}
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;
}
/// <summary>
/// Parses the wz list file
/// </summary>
public void ParseWzFile()
{
using (WzBinaryReader wzParser = new WzBinaryReader(new MemoryStream(mWzFileBytes), mWzIv)) {
while (wzParser.PeekChar() != -1)
{
int Len = wzParser.ReadInt32();
char[] List = new char[Len];
for (int i = 0; i < Len; i++)
{
List[i] = (char)wzParser.ReadInt16();
}
wzParser.ReadUInt16();
string Decrypted = wzParser.DecryptString(List);
if (wzParser.PeekChar() == -1)
{
if (Decrypted[Decrypted.Length - 1] == '/')
{
Decrypted = Decrypted.TrimEnd("/".ToCharArray()) + "g"; // Last char should always be a g (.img)
}
}
mListEntries.Add(Decrypted);
}
}
}
/// <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>
/// 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 == 1) //01 XX 00 00 00 00 00 OFFSET (4 bytes)
{
int unknown = reader.ReadInt32();
reader.ReadInt16();
uint offs = reader.ReadOffset();
continue;
}
else 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;
}
else
{
}
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);
}
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 static List <WzImageProperty> ParsePropertyList(uint offset, WzBinaryReader reader, WzObject parent, WzImage parentImg)
{
int entryCount = reader.ReadCompressedInt();
List <WzImageProperty> properties = new List <WzImageProperty>(entryCount);
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)
{
Parent = parent
});
break;
case 11:
case 2:
properties.Add(new WzShortProperty(name, reader.ReadInt16())
{
Parent = parent
});
break;
case 3:
case 19:
properties.Add(new WzIntProperty(name, reader.ReadCompressedInt())
{
Parent = parent
});
break;
case 20:
properties.Add(new WzLongProperty(name, reader.ReadLong())
{
Parent = parent
});
break;
case 4:
byte type = reader.ReadByte();
if (type == 0x80)
{
properties.Add(new WzFloatProperty(name, reader.ReadSingle())
{
Parent = parent
});
}
else if (type == 0)
{
properties.Add(new WzFloatProperty(name, 0f)
{
Parent = parent
});
}
break;
case 5:
properties.Add(new WzDoubleProperty(name, reader.ReadDouble())
{
Parent = parent
});
break;
case 8:
properties.Add(new WzStringProperty(name, reader.ReadStringBlock(offset))
{
Parent = parent
});
break;
case 9:
int eob = (int)(reader.ReadUInt32() + reader.BaseStream.Position);
WzImageProperty 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;
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>
/// 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>
/// 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);
}
/// <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
/// <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();
}
}
}
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 static List <AWzImageProperty> ParsePropertyList(uint pOffset, WzBinaryReader pReader, AWzObject pParent, WzImage pParentImg)
{
List <AWzImageProperty> properties = new List <AWzImageProperty>();
int entryCount = pReader.ReadCompressedInt();
for (int i = 0; i < entryCount; i++)
{
string name = pReader.ReadStringBlock(pOffset).Trim();
byte b = pReader.ReadByte();
switch (b)
{
case 0:
properties.Add(new WzNullProperty(name)
{
Parent = pParent, ParentImage = pParentImg
});
break;
case 2:
case 11: //UShort
properties.Add(new WzShortProperty(name, pReader.ReadInt16())
{
Parent = pParent, ParentImage = pParentImg
});
break;
case 3:
case 19: //UInt
properties.Add(new WzCompressedIntProperty(name, pReader.ReadCompressedInt())
{
Parent = pParent, ParentImage = pParentImg
});
break;
case 4:
byte type = pReader.ReadByte();
if (type == 0x80)
{
properties.Add(new WzByteFloatProperty(name, pReader.ReadSingle())
{
Parent = pParent, ParentImage = pParentImg
});
}
else if (type == 0)
{
properties.Add(new WzByteFloatProperty(name, 0f)
{
Parent = pParent, ParentImage = pParentImg
});
}
break;
case 5:
properties.Add(new WzDoubleProperty(name, pReader.ReadDouble())
{
Parent = pParent, ParentImage = pParentImg
});
break;
case 8:
properties.Add(new WzStringProperty(name, pReader.ReadStringBlock(pOffset))
{
Parent = pParent, ParentImage = pParentImg
});
break;
case 9:
int eob = (int)(pReader.ReadUInt32() + pReader.BaseStream.Position);
AWzImageProperty exProp = ParseExtendedProp(pReader, pOffset, eob, name, pParent, pParentImg);
if (exProp != null)
{
properties.Add(exProp);
}
pReader.BaseStream.Position = eob;
break;
case 20:
properties.Add(new WzCompressedLongProperty(name, pReader.ReadCompressedLong())
{
Parent = pParent, ParentImage = pParentImg
});
break;
default:
throw new Exception("Unknown property type at ParsePropertyList: " + b + " name: " + name + " offset: " + pReader.getCurrentOffset());
}
}
return(properties);
}
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;
}
}
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>
/// Parses the WzDirectory
/// </summary>
internal void ParseDirectory()
{
var entryCount = _reader.ReadCompressedInt();
for (var i = 0; i < entryCount; i++)
{
var type = _reader.ReadByte();
string fname = null;
long rememberPos = 0;
switch (type)
{
case 1:
var unknown = _reader.ReadInt32();
_reader.ReadInt16();
var offs = _reader.ReadOffset();
continue;
case 2:
var 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;
}
_reader.BaseStream.Position = rememberPos;
var fsize = _reader.ReadCompressedInt();
var dirChecksum = _reader.ReadCompressedInt();
var dirOffset = _reader.ReadOffset();
if (type == 3)
{
var subDir = new WzDirectory(_reader, fname, _hash, WzIv, _wzFile)
{
BlockSize = fsize,
Checksum = dirChecksum,
Offset = dirOffset,
Parent = this
};
WzDirectories.Add(subDir);
}
else
{
var img = new WzImage(fname, _reader)
{
BlockSize = fsize,
Checksum = dirChecksum,
Offset = dirOffset,
Parent = this
};
WzImages.Add(img);
}
}
foreach (var subdir in WzDirectories)
{
_reader.BaseStream.Position = subdir.Offset;
subdir.ParseDirectory();
}
}
