private void GetResourceInfo(ResDirectoryEntry dataEntry, out string type, out string name, out int localeId)
{
Debug.Assert(!dataEntry.IsSubdirectory, "attempted to get type/name/locale of resource directory node.");
localeId = dataEntry.entry.Id;
ResDirectory localeDir = _directories[dataEntry.ownerDirectory];
ResDirectoryEntry nameEntry = _entries[localeDir.parentEntry];
name = nameEntry.name;
ResDirectory nameDirectory = _directories[nameEntry.ownerDirectory];
ResDirectoryEntry typeEntry = _entries[nameDirectory.parentEntry];
type = typeEntry.name;
}
private int ReadDirectory(Stream peStream, long virtualAddress, long baseOffset, int parentId, ref int nextId)
{
int dirId = nextId++;
var dirInfo = new ResDirectory();
dirInfo.id = dirId;
dirInfo.parentEntry = parentId;
_directories.Add(dirId, dirInfo);
dirInfo.directory = peStream.Read <IMAGE_RESOURCE_DIRECTORY>();
int nChildren = dirInfo.directory.NumberOfIdEntries + dirInfo.directory.NumberOfNamedEntries;
dirInfo.childMappings = new int[nChildren];
// read the directory table rows
for (int i = 0; i < nChildren; i++)
{
int entryId = nextId++;
var dirEntry = new ResDirectoryEntry();
dirEntry.id = entryId;
dirEntry.ownerDirectory = dirId;
dirInfo.childMappings[i] = entryId;
dirEntry.entry = peStream.Read <IMAGE_RESOURCE_DIRECTORY_ENTRY>();
_entries.Add(entryId, dirEntry);
}
// read the child data.
for (int i = 0; i < nChildren; i++)
{
ResDirectoryEntry dirEntry = _entries[dirInfo.childMappings[i]];
ReadEntryName(dirEntry, peStream, virtualAddress, baseOffset);
ReadEntryChildren(dirEntry, peStream, virtualAddress, baseOffset, ref nextId);
}
return(dirId);
}
public bool getFile(string dir, out ResFile result)
{
result = null;
if (!dir.StartsWith("/"))
{
return(false);
}
string[] dirs = dir.Split('/');
ResDirectory resDir = baseDir;
for (int level = 1; level < dirs.Length - 1; ++level)
{
if (!baseDir.getChildDir(out resDir, dirs[level]))
{
return(false);
}
}
return(resDir.getChildFile(out result, dirs[dirs.Length - 1]));
}
private int ReadDirectory(Stream peStream, long baseAddress, long virtualAddress, ref int nextId)
{
int dirId = nextId++;
var dirInfo = new ResDirectory();
_directories.Add(dirId, dirInfo);
dirInfo.directory = peStream.Read <IMAGE_RESOURCE_DIRECTORY>();
int nChildren = dirInfo.directory.NumberOfIdEntries + dirInfo.directory.NumberOfNamedEntries;
dirInfo.childMappings = new int[nChildren];
for (int i = 0; i < nChildren; i++)
{
int entryId = nextId++;
var dirEntry = new ResDirectoryEntry();
_entries.Add(entryId, dirEntry);
dirInfo.childMappings[i] = entryId;
dirEntry.entry = peStream.Read <IMAGE_RESOURCE_DIRECTORY_ENTRY>();
// preserve the current stream position while we read child data
var curOffset = peStream.Position;
// read the name
if (dirEntry.entry.NameIsString)
{
// note: offset from beginning of section.
peStream.Seek(baseAddress + dirEntry.entry.NameOffset, SeekOrigin.Begin);
int nChars = peStream.Read <short>();
// names are in "Unicode"
int nBytes = nChars * 2;
var nameBytes = new byte[nBytes];
peStream.Read(nameBytes, 0, nBytes);
dirEntry.name = Encoding.Unicode.GetString(nameBytes);
}
else
{
dirEntry.name = dirEntry.entry.Id.ToString();
}
// read the child node(s)
if (dirEntry.entry.DataIsDirectory)
{
// note: offset from beginning of section.
peStream.Seek(baseAddress + dirEntry.entry.OffsetToDirectory, SeekOrigin.Begin);
dirEntry.child = ReadDirectory(peStream, baseAddress, virtualAddress, ref nextId);
}
else
{
// note: offset from beginning of section.
peStream.Seek(baseAddress + dirEntry.entry.OffsetToData, SeekOrigin.Begin);
var dataEntry = peStream.Read <IMAGE_RESOURCE_DATA_ENTRY>();
// decode the RVA...
long realDataAddr = baseAddress + dataEntry.OffsetToData - virtualAddress;
peStream.Seek(realDataAddr, SeekOrigin.Begin);
var dataBytes = new byte[dataEntry.Size];
peStream.Read(dataBytes, 0, dataBytes.Length);
int dataId = nextId++;
_data.Add(dataId, dataBytes);
dirEntry.child = dataId;
}
peStream.Seek(curOffset, SeekOrigin.Begin);
}
return(dirId);
}
public void readResource(string resourceFileDir)
{
BinaryReader reader = new BinaryReader(File.Open(resourceFileDir, FileMode.Open));
MemoryStream headerStream = FileManagerCore.ReadGameData(reader.BaseStream);
BinaryReader headerReader = new BinaryReader(headerStream);
long nameDataLen = headerReader.ReadInt64();
FileManagerCore.byteBoundaryWork(headerReader.BaseStream, false);
for (long i = 0; i < nameDataLen; ++i)
{
short id = headerReader.ReadInt16();
long offset = headerReader.ReadInt64();
long size = headerReader.ReadInt64();
byte[] data = new byte[size];
FileManagerCore.readBytes(data, offset, reader.BaseStream);
nameData.Add(id, Encoding.UTF8.GetString(data));
FileManagerCore.byteBoundaryWork(headerReader.BaseStream, false);
}
long directoryDataLen = headerReader.ReadInt64();
FileManagerCore.byteBoundaryWork(headerReader.BaseStream, false);
for (long i = 0; i < directoryDataLen; ++i)
{
short id = headerReader.ReadInt16();
short parentID = headerReader.ReadInt16();
short nameID = headerReader.ReadInt16();
ResDirectory dir = new ResDirectory(id, nameData[nameID]);
directoryData.Add(id, dir);
if (directoryData.ContainsKey(parentID))
{
directoryData[parentID].addChildDir(dir);
}
else
{
baseDir = dir;
}
FileManagerCore.byteBoundaryWork(headerReader.BaseStream, false);
}
long fileDataLen = headerReader.ReadInt64();
FileManagerCore.byteBoundaryWork(headerReader.BaseStream, false);
for (long i = 0; i < fileDataLen; ++i)
{
short id = headerReader.ReadInt16();
short parentID = headerReader.ReadInt16();
short nameID = headerReader.ReadInt16();
long offset = headerReader.ReadInt64();
long size = headerReader.ReadInt64();
byte[] data = new byte[size];
FileManagerCore.readBytes(data, offset, reader.BaseStream);
ResFile file = new ResFile(id, nameData[nameID], data);
directoryData[parentID].addChildFile(file);
FileManagerCore.byteBoundaryWork(headerReader.BaseStream, false);
}
}
