/// <summary>
/// Find and load all ModBases in the given assembly.
/// </summary>
/// <param name="meta">The mod metadata, preferably from the mod metadata.yaml file.</param>
/// <param name="asm">The mod assembly, preferably relinked.</param>
public static void LoadModAssembly(ModMetadata meta, Assembly asm)
{
if (meta != null)
{
ModContentManager.Crawl(new AssemblyModContent(asm));
}
Type[] types;
try {
types = asm.GetTypes();
} catch (Exception e) {
Logger.Log(LogLevel.Warn, "loader", $"Failed reading assembly: {e}");
e.LogDetailed();
return;
}
for (int i = 0; i < types.Length; i++)
{
Type type = types[i];
if (!typeof(ModBase).IsAssignableFrom(type) || type.IsAbstract)
{
continue;
}
ModBase mod = (ModBase)type.GetConstructor(ModManager._EmptyTypeArray).Invoke(ModManager._EmptyObjectArray);
if (meta != null)
{
mod.Metadata = meta;
}
mod.Register();
}
}
/// <summary>
/// Unregisters an already registered ModBase (mod) dynamically. Invokes Unload.
/// </summary>
/// <param name="module"></param>
public static void Unregister(this ModBase module)
{
module.Unload();
lock (_Mods) {
int index = _Mods.IndexOf(module);
_Mods.RemoveAt(index);
_ModuleTypes.RemoveAt(index);
_ModuleMethods.RemoveAt(index);
}
Logger.Log(LogLevel.Info, "core", $"Module {module.Metadata} unregistered.");
}
public static void Boot(string name, string version, ModBase coreModule)
{
if (_Booted)
{
return;
}
_Booted = true;
Name = name;
VersionString = version;
Logger.Log(LogLevel.Info, "core", $"Booting {name}");
Logger.Log(LogLevel.Info, "core", $"Version: {VersionString}");
if (string.IsNullOrEmpty(PathGame))
{
PathGame = Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
}
if (string.IsNullOrEmpty(PathSettings))
{
PathSettings = Path.Combine(PathGame, "ModSettings");
}
Directory.CreateDirectory(PathSettings);
// Automatically load all modules.
if (coreModule != null)
{
coreModule.Metadata = coreModule.Metadata ?? new ModMetadata {
Name = Name,
Version = Version
};
Register(coreModule);
}
ModLoader.LoadAuto();
// Also let all mods parse the arguments.
Queue <string> args = new Queue <string>(Args);
while (args.Count > 0)
{
string arg = args.Dequeue();
foreach (ModBase mod in Mods)
{
if (mod.ParseArg(arg, args))
{
break;
}
}
}
}
/// <summary>
/// Register a new ModBase (mod) dynamically. Invokes LoadSettings and Load.
/// </summary>
/// <param name="module">Mod to register.</param>
public static void Register(this ModBase module)
{
lock (_Mods) {
_Mods.Add(module);
_ModuleTypes.Add(module.GetType());
_ModuleMethods.Add(new Dictionary <string, MethodInfo>());
_ModuleMethodDelegates.Add(new Dictionary <string, FastReflectionDelegate>());
}
module.LoadSettings();
module.Load();
Logger.Log(LogLevel.Info, "core", $"Module {module.Metadata} registered.");
// Attempt to load mods after their dependencies have been loaded.
// Only load and lock the delayed list if we're not already loading delayed mods.
if (Interlocked.CompareExchange(ref ModLoader.DelayedLock, 1, 0) == 0)
{
lock (ModLoader.Delayed) {
for (int i = ModLoader.Delayed.Count - 1; i > -1; i--)
{
ModLoader.DelayedEntry entry = ModLoader.Delayed[i];
if (!ModLoader.DependenciesLoaded(entry.Meta))
{
continue;
}
ModLoader.LoadMod(entry.Meta);
ModLoader.Delayed.RemoveAt(i);
entry.Callback?.Invoke();
}
}
Interlocked.Decrement(ref ModLoader.DelayedLock);
}
}
/// <summary>
/// Invoke a method in all loaded ModBases.
/// </summary>
/// <param name="methodName">The name of the method.</param>
/// <param name="argsTypes">The types of the arguments passed to the methods.</param>
/// <param name="args">Any arguments to be passed to the methods.</param>
public static void InvokeTyped(string methodName, Type[] argsTypes, params object[] args)
{
if (args == null)
{
args = _EmptyObjectArray;
if (argsTypes == null)
{
argsTypes = _EmptyTypeArray;
}
}
else if (argsTypes == null)
{
argsTypes = Type.GetTypeArray(args);
}
if (!Debugger.IsAttached)
{
// Fast codepath: DynamicMethodDelegate
// Unfortunately prevents us from stepping into invoked methods.
for (int i = 0; i < _Mods.Count; i++)
{
ModBase module = _Mods[i];
IDictionary <string, FastReflectionDelegate> moduleMethods = _ModuleMethodDelegates[i];
FastReflectionDelegate method;
if (moduleMethods.TryGetValue(methodName, out method))
{
if (method == null)
{
continue;
}
method(module, args);
continue;
}
MethodInfo methodInfo = _ModuleTypes[i].GetMethod(methodName, argsTypes);
if (methodInfo != null)
{
method = methodInfo.GetFastDelegate();
}
moduleMethods[methodName] = method;
if (method == null)
{
continue;
}
method(module, args);
}
}
else
{
// Slow codepath: MethodInfo.Invoke
// Doesn't hinder us from stepping into the invoked methods.
for (int i = 0; i < _Mods.Count; i++)
{
ModBase module = _Mods[i];
IDictionary <string, MethodInfo> moduleMethods = _ModuleMethods[i];
MethodInfo methodInfo;
if (moduleMethods.TryGetValue(methodName, out methodInfo))
{
if (methodInfo == null)
{
continue;
}
methodInfo.Invoke(module, args);
continue;
}
methodInfo = _ModuleTypes[i].GetMethod(methodName, argsTypes);
moduleMethods[methodName] = methodInfo;
if (methodInfo == null)
{
continue;
}
methodInfo.Invoke(module, args);
}
}
}
