private void mScriptSearchButton_Click(object sender, EventArgs e)
{
ScriptSearchForm f = new ScriptSearchForm();
f.ShowDialog();
f.Dispose();
}
private static string ShowLuaListing(byte[] luacCode)
{
string fileName = ".\\decompile.luac";
File.WriteAllBytes(fileName, luacCode);
string output = ScriptSearchForm.RunCommand(Program.Luac, " -l " + fileName, true);
return(output);
}
public static int LuacCodeSize(string luaSourceFile)
{
int retVal = -1;
string result = ScriptSearchForm.RunCommand(Program.Luac, " -s -o tmp.luac " + luaSourceFile, true);
if (result.Length < 10)
{
FileInfo info = new FileInfo(".\\tmp.luac");
retVal = (int)info.Length;
}
return(retVal);
}
/// <summary>
///
/// </summary>
/// <param name="fileName">the base .lvl file to splice the code into</param>
/// <param name="newCode"></param>
/// <returns>The file the data was saved to; null on error</returns>
public string SpliceInNewCode(string newCode)
{
string tmpLuaFileName = ".\\_spliceTmp.lua";
File.WriteAllText(tmpLuaFileName, newCode);
string result = ScriptSearchForm.RunCommand(Program.Luac, " -s -o tmp.luac " + tmpLuaFileName, true);
if (result.Trim() != "")
{
MessageBox.Show("Error compiling code", result);
return(null);
}
byte[] newLuacCode = File.ReadAllBytes("tmp.luac");
string newLvlFile = StringInputDlg.GetString("new lvl file name", "Save the file as what?>");
if (newLvlFile != null)
{
try
{
if (!String.IsNullOrEmpty(ScriptSearchForm.CurrentFile))
{
int lastSlash = ScriptSearchForm.CurrentFile.LastIndexOf(Path.DirectorySeparatorChar);
if (lastSlash > -1)
{
newLvlFile = tmpLuaFileName = ScriptSearchForm.CurrentFile.Substring(0, lastSlash + 1) + newLvlFile;
}
}
using (FileStream fs = File.OpenWrite(newLvlFile))
{
BinaryWriter bw = new BinaryWriter(fs);
bw.BaseStream.Write(mData, 0, (int)(this.BodyStart - 4));
bw.Write(newLuacCode.Length + 1);
bw.BaseStream.Write(newLuacCode, 0, newLuacCode.Length);
bw.BaseStream.Write(mData, (int)this.BodyEnd, (int)(mData.Length - this.BodyEnd));
bw.Close();
MessageBox.Show("Saved to " + newLvlFile);
return(newLvlFile);
}
}
catch (Exception)
{
MessageBox.Show("Error splicing in new code");
}
}
return(null);
}
private void SearchForGivenText()
{
mListBox.Items.Clear();
string searchString = mSearchTextBox.Text;
string[] lvlFiles = Directory.GetFiles(mDirectoryTextBox.Text, "*.lvl", SearchOption.AllDirectories);
List <AssetListItem> items = null;
foreach (string file in lvlFiles)
{
// find items whose name contains the given text.
items = ScriptSearchForm.GetItems(File.ReadAllBytes(file), ASCIIEncoding.ASCII.GetBytes("LuaP"));
foreach (AssetListItem item in items)
{
if (item.GetName().IndexOf(searchString) > -1)
{
mListBox.Items.Add(item);
}
}
}
mStatusLabel.Text = mListBox.Items.Count + " Items found.";
}
/*public string GetName()
* {
* long loc = BinSearch.GetLocationOfGivenBytes(mLocation, ASCIIEncoding.ASCII.GetBytes("NAME"), mData, 80);
* if (loc > -1) return GetName(loc, mData);
* return "";
* }*/
/// <summary> Gets the name of the source file that was munged into this data. </summary>
public string GetName()
{
int headChunkLength = -1;
string name = "";
long loc1 = -1;
long loc = BinSearch.GetLocationOfGivenBytes(mLocation, ASCIIEncoding.ASCII.GetBytes("scr_"), mData, 40);
if (loc < 0)
{
loc1 = BinSearch.GetLocationOfGivenBytes(mLocation, ASCIIEncoding.ASCII.GetBytes("mcfg"), mData, 80);
if (loc1 > 0)
{
headChunkLength = ScriptSearchForm.GetLengthAtLocation(loc1 + 4, mData);
loc1 = BinSearch.GetLocationOfGivenBytes(loc1 + headChunkLength - 8, ASCIIEncoding.ASCII.GetBytes("scr_"), mData, 80);
}
}
else
{
loc1 = loc;
}
if (loc1 > 0)
{
loc = BinSearch.GetLocationOfGivenBytes(loc1, ASCIIEncoding.ASCII.GetBytes("NAME"), mData, 80);
}
if (loc > -1)
{
int nameLen = mData[(int)loc + 4] - 1; // -1 for null byte
if (loc > 0)
{
// NAME + 4 bytes later = 8
name = Encoding.ASCII.GetString(mData, (int)loc + 8, (int)nameLen);
}
}
return(name);
}
private string GetBody()
{
long loc = BinSearch.GetLocationOfGivenBytes(mLocation, ScriptSearchForm.BodyBytes, mData);
int bodyLen = GetLengthAtLocation(loc + 4);
string name = GetName();
string retVal = String.Format("-- NAME: {0} mLocation: 0x{1:x}; Body Length: {2}, Body Start: 0x{3:x}, Body End: 0x{4:x}",
name, mLocation, bodyLen, loc + 8, loc + 8 + bodyLen);
if (IsLuaCode)
{
if (ScriptSearchForm.ShowPcLuaCode)
{
string sourceFileName = FindSourceFile(name);
string code = LookupPCcode(sourceFileName);
int sz = ScriptSearchForm.LuacCodeSize(sourceFileName);
if (bodyLen == sz)
{
retVal += "\n-- ********* LUAC Code Size MATCH!!! ***********";
byte[] b = File.ReadAllBytes(".\\tmp.luac");
byte[] c = this.GetAssetData();
int i = 0;
for (i = 0; i < c.Length; i++)
{
if (b[i] != c[i])
{
break;
}
}
if (i == c.Length)
{
retVal += "\n-- ********* Binary Equal !!! ***********";
}
}
retVal = retVal + string.Format("\n-- {0}\n-- PC luac code size = {1}; PC code:\n{2}", sourceFileName, sz, code);
}
else if (ScriptSearchForm.ShowDecompiledLuaCode)
{
string listing = ShowLuaListing(this.GetAssetData());
string luaCode = "";
try
{
luaCode = DecompileLuacListing(listing);
}
catch (Exception ex)
{
luaCode = ex.Message + "\n" + ex.StackTrace;
}
retVal = string.Format("\n-- {0}\n{1}", GetName(), luaCode);
}
else
{
string listing = ShowLuaListing(this.GetAssetData());
retVal = string.Format("\n-- {0}\n-- luac -l listing \n{1}", GetName(), listing);
}
}
else
{
retVal = retVal + String.Format("\n-- 50 bytes, including the previous 30 bytes {0}", BinSearch.GetByteString(mLocation - 30, mData, 50));
}
return(retVal);
}
