/// <summary>
/// Loads a list of types from a directory containing assemblies, that derive from a base type.
/// </summary>
/// <typeparam name="T">The specfiic base type to search for.</typeparam>
/// <param name="directory">The directory to search for assemblies.</param>
/// <returns>Returns a list of found derivative types.</returns>
public static IEnumerable <Type> LoadTypes <T>(string directory)
{
List <Type> types = new List <Type>();
Type pluginType = typeof(T);
foreach (string dll in Directory.GetFiles(Path.GetFullPath(directory), "*.dll"))
{
try
{
AssemblyName an = AssemblyName.GetAssemblyName(dll);
Assembly assembly = Assembly.Load(an);
foreach (Type type in assembly.GetTypes())
{
if (type.IsInterface || type.IsAbstract)
{
continue;
}
else
{
if (type.BaseType == pluginType)
{
types.Add(type);
}
}
}
}
catch (BadImageFormatException) { } //unmanaged DLL
catch (ReflectionTypeLoadException)
{
BepInLogger.Log($"ERROR! Could not load \"{Path.GetFileName(dll)}\" as a plugin!");
}
}
return(types);
}
/// <summary>
/// The entry point for BepInEx, called on the very first LoadScene() from UnityEngine.
/// </summary>
public static void Initialize()
{
if (loaded)
{
return;
}
if (!Directory.Exists(Common.Utility.PluginsDirectory))
{
Directory.CreateDirectory(Utility.PluginsDirectory);
}
if (bool.Parse(Config.GetEntry("console", "false")) || bool.Parse(Config.GetEntry("console-shiftjis", "false")))
{
try
{
UnityInjector.ConsoleUtil.ConsoleWindow.Attach();
if (bool.Parse(Config.GetEntry("console-shiftjis", "false")))
{
UnityInjector.ConsoleUtil.ConsoleEncoding.ConsoleCodePage = 932;
}
}
catch
{
BepInLogger.Log("Failed to allocate console!", true);
}
}
try
{
BepInLogger.Log($"BepInEx {Assembly.GetExecutingAssembly().GetName().Version}");
BepInLogger.Log("Chainloader started");
UnityEngine.Object.DontDestroyOnLoad(ManagerObject);
string currentProcess = Process.GetCurrentProcess().ProcessName.ToLower();
var pluginTypes = TypeLoader.LoadTypes <BaseUnityPlugin>(Utility.PluginsDirectory)
.Where(plugin =>
{
//Perform a filter for currently running process
var filters = TypeLoader.GetAttributes <BepInProcess>(plugin);
if (!filters.Any())
{
return(true);
}
return(filters.Any(x => x.ProcessName.ToLower().Replace(".exe", "") == currentProcess));
})
.ToList();
BepInLogger.Log($"{pluginTypes.Count} plugins selected");
Dictionary <Type, IEnumerable <Type> > dependencyDict = new Dictionary <Type, IEnumerable <Type> >();
foreach (Type t in pluginTypes)
{
try
{
IEnumerable <Type> dependencies = TypeLoader.GetDependencies(t, pluginTypes);
dependencyDict[t] = dependencies;
}
catch (MissingDependencyException)
{
var metadata = TypeLoader.GetMetadata(t);
BepInLogger.Log($"Cannot load [{metadata.Name}] due to missing dependencies.");
}
}
pluginTypes = TopologicalSort(dependencyDict.Keys, x => dependencyDict[x]).ToList();
foreach (Type t in pluginTypes)
{
try
{
var metadata = TypeLoader.GetMetadata(t);
var plugin = (BaseUnityPlugin)ManagerObject.AddComponent(t);
Plugins.Add(plugin);
BepInLogger.Log($"Loaded [{metadata.Name} {metadata.Version}]");
}
catch (Exception ex)
{
BepInLogger.Log($"Error loading [{t.Name}] : {ex.Message}");
}
}
}
catch (Exception ex)
{
UnityInjector.ConsoleUtil.ConsoleWindow.Attach();
Console.WriteLine("Error occurred starting the game");
Console.WriteLine(ex.ToString());
}
loaded = true;
}