public bool InstallSelectedMods(string _gameFolder, List <string> modsToInstall)
{
//LLBMM Paths
string llbmm_rootDir = Directory.GetCurrentDirectory();
string llbmm_modsDir = Path.Combine(llbmm_rootDir, "mods");
//Game Folder Paths
string game_managedDir = PathHelper.Get().GetLLBGameManagedDirPath(_gameFolder);
string game_tempDir = Path.Combine(game_managedDir, "temp");
string game_mainAsmFile = Path.Combine(game_managedDir, "Assembly-CSharp.dll");
List <string> modsToInstallPaths = new List <string>(); //Will hold the file paths for the mods we recieved from the pendingMods ListBox.
var i = 0;
var _modList = modsToInstall;
foreach (var mod in _modList) //Checks if a mods file exists and adds its path to a list if it does.
{
string modPath = Path.Combine(llbmm_modsDir, mod.ToString(), mod.ToString() + ".dll");
if (File.Exists(modPath))
{
modsToInstallPaths.Add(modPath);
}
else
{
MessageBox.Show("Skipping " + mod + ". Can't find mod file at" + modPath + ". Please ensure that the file path matches the one in this window", "Error");
modsToInstall.Remove(mod);
}
i++;
}
Directory.CreateDirectory(game_tempDir);
try { File.Copy(game_mainAsmFile, Path.Combine(game_tempDir, "Assembly-CSharp.dll")); }
catch
{
MessageBox.Show("Could not copy the main Assembly-CSharp.dll to temp folder. Terminating modding attempt. Make sure you've set the correct gamefolder in LLBMM, if it's correct then please verify your gamefiles through steam", "Error");
return(false);
}
foreach (var path in modsToInstallPaths)
{
try { File.Copy(path, Path.Combine(game_tempDir, Path.GetFileName(path))); }
catch
{
MessageBox.Show("Skipping mod " + Path.GetFileNameWithoutExtension(path) + ". Could not copy mod file at" + path + " to temp folder", "Error");
modsToInstall.Remove(Path.GetFileNameWithoutExtension(path));
}
}
if (!File.Exists(Path.Combine(game_managedDir, "ModMenu.dll")))
{
File.Copy(Path.Combine(llbmm_rootDir, "ModMenu", "ModMenu.dll"), Path.Combine(game_tempDir, "ModMenu.dll")); //If modmenu isn't installed try to install it
}
else
{
byte[] past = File.ReadAllBytes(Path.Combine(game_managedDir, "ModMenu.dll"));
byte[] present = File.ReadAllBytes(Path.Combine(llbmm_rootDir, "ModMenu", "ModMenu.dll"));
if (past.Length != present.Length)
{
CleanerHelper ch = new CleanerHelper();
ch.RemoveMod(_gameFolder, "ModMenu");
File.Copy(Path.Combine(llbmm_rootDir, "ModMenu", "ModMenu.dll"), Path.Combine(game_tempDir, "ModMenu.dll"));
}
}
List <string> tempFiles = Directory.EnumerateFiles(game_tempDir, "*", SearchOption.AllDirectories).Where(s => s.EndsWith(".dll") && s.Count(c => c == '.') == 1).ToList();
//Injection information
string injectTypeName = "LLScreen.ScreenIntroTitle"; // What type to inject into in Assemby-CSharp
string injectMethodName = "CShowTitle"; // Method name in the type
string modMethodNames = "Initialize";
//Init Resolver
DefaultAssemblyResolver defaultAssemblyResolver = new DefaultAssemblyResolver();
defaultAssemblyResolver.AddSearchDirectory(game_managedDir);
defaultAssemblyResolver.AddSearchDirectory(game_tempDir);
defaultAssemblyResolver.AddSearchDirectory(llbmm_rootDir); //Test om e kan fjærn den hær og den over
ReaderParameters parameters = new ReaderParameters {
AssemblyResolver = defaultAssemblyResolver
};
//Get the assembly definitions of the main file
AssemblyDefinition _mainFileAssemblyDef = AssemblyDefinition.ReadAssembly(Path.Combine(game_tempDir, "Assembly-CSharp.dll"), parameters);
ModuleDefinition _mainFileMainModule = _mainFileAssemblyDef.MainModule;
//Get the assembly definitions of the mod files
List <AssemblyDefinition> _modAssemblyList = new List <AssemblyDefinition>();
foreach (string path in tempFiles)
{
if (path != Path.Combine(game_tempDir, "Assembly-CSharp.dll"))
{
try { _modAssemblyList.Add(AssemblyDefinition.ReadAssembly(path)); }
catch
{
MessageBox.Show("Skipping mod " + Path.GetFileNameWithoutExtension(path) + ". Mod file " + path + " can't be injected", "Error");
modsToInstall.Remove(Path.GetFileNameWithoutExtension(path));
}
}
}
TypeDefinition moddedClass = null;
foreach (TypeDefinition type in _mainFileMainModule.Types)
{
if (type.Name == "Mods")
{
moddedClass = type;
}
}
if (moddedClass == null)
{
//create custom class that holds mod names
moddedClass = new TypeDefinition("", "Mods", TypeAttributes.Public | TypeAttributes.Class, _mainFileMainModule.TypeSystem.Object);
//insert custom class into assembly
_mainFileMainModule.Types.Add(moddedClass);
moddedClass.Methods.Add(new MethodDefinition(".ctor", MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName, _mainFileMainModule.TypeSystem.Void));
}
foreach (var mod in modsToInstall)
{
moddedClass.Fields.Add(new FieldDefinition(mod.ToString(), FieldAttributes.Public, _mainFileMainModule.TypeSystem.String));
}
TypeDefinition injectPointType = _mainFileAssemblyDef.MainModule.GetType(injectTypeName);
if (injectPointType == null || injectPointType.Methods == null)
{
MessageBox.Show("Bad inject point (Terminating modding session)");
return(false);
}
foreach (MethodDefinition method in injectPointType.Methods)
{
if (method.Name == injectMethodName)
{
try
{
ILProcessor ilproc = method.Body.GetILProcessor();
if (ilproc.Body.Instructions.Count > 0)
{
var modCount = 0;
//Create the instructions to inject
Instruction codePosition = ilproc.Body.Instructions[ilproc.Body.Instructions.Count - 1];
foreach (AssemblyDefinition modArrayDef in _modAssemblyList)
{
foreach (TypeDefinition modTypeDef in modArrayDef.MainModule.Types)
{
foreach (MethodDefinition modMethodDef in modTypeDef.Methods)
{
if (modMethodDef.Name == modMethodNames)
{
Debug.WriteLine("Found " + modMethodDef.Name + " function");
MethodReference callRef = _mainFileAssemblyDef.MainModule.ImportReference(modMethodDef);
Debug.WriteLine("Found call reference " + callRef.ToString());
ilproc.InsertBefore(codePosition, ilproc.Create(OpCodes.Call, callRef));
modCount++;
}
}
}
}
}
}
catch
{
MessageBox.Show("Can't get method or insert instructions. Try narrowing down what modfile is breaking the insertion (Terminating modding attempt)");
return(false);
}
}
}
//save Assembly
try { _mainFileAssemblyDef.Write(Path.Combine(game_tempDir, "Assembly-CSharp-modded.dll")); }
catch
{
MessageBox.Show("Could not write assembly! Is the game running?", "Error");
return(false);
}
_mainFileAssemblyDef.Dispose();
foreach (var asm in _modAssemblyList)
{
asm.Dispose();
}
foreach (var mod in modsToInstall)
{
var path = Path.Combine(game_tempDir, mod + ".dll");
if (path != Path.Combine(game_tempDir, "Assembly-CSharp.dll"))
{
try { File.Copy(path, Path.Combine(game_managedDir, Path.GetFileName(path))); }
catch
{
File.Delete(Path.Combine(game_managedDir, Path.GetFileName(path)));
File.Copy(path, Path.Combine(game_managedDir, Path.GetFileName(path)));
}
}
var modResourcesDir = Path.Combine(llbmm_modsDir, mod, mod + "Resources");
if (Directory.Exists(modResourcesDir))
{
Directory.CreateDirectory(Path.Combine(game_managedDir, mod + "Resources"));
foreach (string dirPath in Directory.GetDirectories(modResourcesDir, "*", SearchOption.AllDirectories))
{
Directory.CreateDirectory(dirPath.Replace(modResourcesDir, Path.Combine(game_managedDir, mod + "Resources")));
}
foreach (string newPath in Directory.GetFiles(modResourcesDir, "*.*", SearchOption.AllDirectories))
{
File.Copy(newPath, newPath.Replace(modResourcesDir, Path.Combine(game_managedDir, mod + "Resources")), true);
}
}
}
if (File.Exists(game_mainAsmFile))
{
File.Delete(game_mainAsmFile);
File.Copy(Path.Combine(game_tempDir, "Assembly-CSharp-modded.dll"), game_mainAsmFile);
}
foreach (var mod in modsToInstall)
{
if (File.Exists(Path.Combine(game_managedDir, mod + "Resources", "ASMRewriter.exe")))
{
RunRewriter(_gameFolder, Path.Combine(game_managedDir, mod + "Resources", "ASMRewriter.exe"));
}
}
try
{
File.Copy(Path.Combine(game_tempDir, "ModMenu.dll"), Path.Combine(game_managedDir, "ModMenu.dll"));
RunRewriter(_gameFolder, Path.Combine(llbmm_rootDir, "ModMenu", "ASMRewriter.exe"));
}
catch { }
if (Directory.Exists(game_tempDir))
{
DirectoryInfo di = new DirectoryInfo(game_tempDir);
foreach (DirectoryInfo dir in di.GetDirectories())
{
dir.Delete(true);
}
foreach (FileInfo file in di.GetFiles())
{
file.Delete();
}
Directory.Delete(game_tempDir);
}
Debug.WriteLine("Modding complete!");
return(true);
}
