private static FMLPluginWrapper loadCoreMod(LaunchClassLoader classLoader, String coreModClass, File location) { String coreModName = coreModClass.substring(coreModClass.lastIndexOf('.') + 1); try { FMLRelaunchLog.fine("Instantiating coremod class %s", coreModName); classLoader.addTransformerExclusion(coreModClass); Class<?> coreModClazz = Class.forName(coreModClass, true, classLoader); Name coreModNameAnn = coreModClazz.getAnnotation(IFMLLoadingPlugin.Name.class); if (coreModNameAnn != null && !Strings.isNullOrEmpty(coreModNameAnn.value())) { coreModName = coreModNameAnn.value(); FMLRelaunchLog.finer("coremod named %s is loading", coreModName); } MCVersion requiredMCVersion = coreModClazz.getAnnotation(IFMLLoadingPlugin.MCVersion.class); if (!Arrays.asList(rootPlugins).contains(coreModClass) && (requiredMCVersion == null || Strings.isNullOrEmpty(requiredMCVersion.value()))) { FMLRelaunchLog.log(Level.WARN, "The coremod %s does not have a MCVersion annotation, it may cause issues with this version of Minecraft", coreModClass); } else if (requiredMCVersion != null && !FMLInjectionData.mccversion.equals(requiredMCVersion.value())) { FMLRelaunchLog.log(Level.ERROR, "The coremod %s is requesting minecraft version %s and minecraft is %s. It will be ignored.", coreModClass, requiredMCVersion.value(), FMLInjectionData.mccversion); return null; } else if (requiredMCVersion != null) { FMLRelaunchLog.log(Level.DEBUG, "The coremod %s requested minecraft version %s and minecraft is %s. It will be loaded.", coreModClass, requiredMCVersion.value(), FMLInjectionData.mccversion); } TransformerExclusions trExclusions = coreModClazz.getAnnotation(IFMLLoadingPlugin.TransformerExclusions.class); if (trExclusions != null) { for (String st : trExclusions.value()) { classLoader.addTransformerExclusion(st); } } DependsOn deplist = coreModClazz.getAnnotation(IFMLLoadingPlugin.DependsOn.class); String[] dependencies = new String[0]; if (deplist != null) { dependencies = deplist.value(); } SortingIndex index = coreModClazz.getAnnotation(IFMLLoadingPlugin.SortingIndex.class); int sortIndex = index != null ? index.value() : 0; IFMLLoadingPlugin plugin = (IFMLLoadingPlugin) coreModClazz.newInstance(); String accessTransformerClass = plugin.getAccessTransformerClass(); if (accessTransformerClass != null) { FMLRelaunchLog.log(Level.DEBUG, "Added access transformer class %s to enqueued access transformers", accessTransformerClass); accessTransformers.add(accessTransformerClass); } FMLPluginWrapper wrap = new FMLPluginWrapper(coreModName, plugin, location, sortIndex, dependencies); loadPlugins.add(wrap); FMLRelaunchLog.fine("Enqueued coremod %s", coreModName); return wrap; } catch (ClassNotFoundException cnfe) { if (!Lists.newArrayList(rootPlugins).contains(coreModClass)) FMLRelaunchLog.log(Level.ERROR, cnfe, "Coremod %s: Unable to class load the plugin %s", coreModName, coreModClass); else FMLRelaunchLog.fine("Skipping root plugin %s", coreModClass); } catch (ClassCastException cce) { FMLRelaunchLog.log(Level.ERROR, cce, "Coremod %s: The plugin %s is not an implementor of IFMLLoadingPlugin", coreModName, coreModClass); } catch (InstantiationException ie) { FMLRelaunchLog.log(Level.ERROR, ie, "Coremod %s: The plugin class %s was not instantiable", coreModName, coreModClass); } catch (IllegalAccessException iae) { FMLRelaunchLog.log(Level.ERROR, iae, "Coremod %s: The plugin class %s was not accessible", coreModName, coreModClass); } return null; }