package emu.grasscutter; import java.io.*; import java.util.Calendar; import emu.grasscutter.command.CommandMap; import emu.grasscutter.plugin.PluginManager; import emu.grasscutter.plugin.api.ServerHook; import emu.grasscutter.scripts.ScriptLoader; import emu.grasscutter.utils.ConfigContainer; import emu.grasscutter.utils.Utils; import org.jline.reader.EndOfFileException; import org.jline.reader.LineReader; import org.jline.reader.LineReaderBuilder; import org.jline.reader.UserInterruptException; import org.jline.terminal.Terminal; import org.jline.terminal.TerminalBuilder; import org.reflections.Reflections; import org.slf4j.LoggerFactory; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import ch.qos.logback.classic.Logger; import emu.grasscutter.data.ResourceLoader; import emu.grasscutter.database.DatabaseManager; import emu.grasscutter.utils.Language; import emu.grasscutter.server.dispatch.DispatchServer; import emu.grasscutter.server.game.GameServer; import emu.grasscutter.tools.Tools; import emu.grasscutter.utils.Crypto; import emu.grasscutter.BuildConfig; import javax.annotation.Nullable; import static emu.grasscutter.utils.Language.translate; import static emu.grasscutter.Configuration.*; public final class Grasscutter { private static final Logger log = (Logger) LoggerFactory.getLogger(Grasscutter.class); private static LineReader consoleLineReader = null; private static Language language; private static final Gson gson = new GsonBuilder().setPrettyPrinting().create(); public static final File configFile = new File("./config.json"); private static int day; // Current day of week. private static DispatchServer dispatchServer; private static GameServer gameServer; private static PluginManager pluginManager; public static final Reflections reflector = new Reflections("emu.grasscutter"); public static ConfigContainer config; static { // Declare logback configuration. System.setProperty("logback.configurationFile", "src/main/resources/logback.xml"); // Load server configuration. Grasscutter.loadConfig(); // Attempt to update configuration. ConfigContainer.updateConfig(); // Load translation files. Grasscutter.loadLanguage(); // Check server structure. Utils.startupCheck(); } public static void main(String[] args) throws Exception { Crypto.loadKeys(); // Load keys from buffers. // Parse arguments. boolean exitEarly = false; for (String arg : args) { switch (arg.toLowerCase()) { case "-handbook" -> { Tools.createGmHandbook(); exitEarly = true; } case "-gachamap" -> { Tools.createGachaMapping(DATA("gacha_mappings.js")); exitEarly = true; } case "-version" -> { System.out.println("Grasscutter version: " + BuildConfig.VERSION + "\nGit Hash: " + BuildConfig.GIT_HASH); exitEarly = true; } } } // Exit early if argument sets it. if(exitEarly) System.exit(0); // Initialize server. Grasscutter.getLogger().info(translate("messages.status.starting")); // Load all resources. Grasscutter.updateDayOfWeek(); ResourceLoader.loadAll(); ScriptLoader.init(); // Initialize database. DatabaseManager.initialize(); // Create server instances. dispatchServer = new DispatchServer(); gameServer = new GameServer(); // Create a server hook instance with both servers. new ServerHook(gameServer, dispatchServer); // Create plugin manager instance. pluginManager = new PluginManager(); // Start servers. var runMode = SERVER.runMode; if (runMode == ServerRunMode.HYBRID) { dispatchServer.start(); gameServer.start(); } else if (runMode == ServerRunMode.DISPATCH_ONLY) { dispatchServer.start(); } else if (runMode == ServerRunMode.GAME_ONLY) { gameServer.start(); } else { getLogger().error(translate("messages.status.run_mode_error", runMode)); getLogger().error(translate("messages.status.run_mode_help")); getLogger().error(translate("messages.status.shutdown")); System.exit(1); } // Enable all plugins. pluginManager.enablePlugins(); // Hook into shutdown event. Runtime.getRuntime().addShutdownHook(new Thread(Grasscutter::onShutdown)); // Open console. startConsole(); } /** * Server shutdown event. */ private static void onShutdown() { // Disable all plugins. pluginManager.disablePlugins(); } /** * Attempts to load the configuration from a file. */ public static void loadConfig() { try (FileReader file = new FileReader(configFile)) { config = gson.fromJson(file, ConfigContainer.class); } catch (Exception exception) { Grasscutter.saveConfig(null); config = new ConfigContainer(); } catch (Error error) { // Occurred probably from an outdated config file. Grasscutter.saveConfig(null); config = new ConfigContainer(); } } public static void loadLanguage() { var locale = config.language.language; language = Language.getLanguage(Utils.getLanguageCode(locale)); } /** * Saves the provided server configuration. * @param config The configuration to save, or null for a new one. */ public static void saveConfig(@Nullable ConfigContainer config) { if(config == null) config = new ConfigContainer(); try (FileWriter file = new FileWriter(configFile)) { file.write(gson.toJson(config)); } catch (IOException ignored) { Grasscutter.getLogger().error("Unable to write to config file."); } catch (Exception e) { Grasscutter.getLogger().error("Unable to save config file.", e); } } public static void startConsole() { // Console should not start in dispatch only mode. if (SERVER.runMode == ServerRunMode.DISPATCH_ONLY) { getLogger().info(translate("messages.dispatch.no_commands_error")); return; } getLogger().info(translate("messages.status.done")); String input = null; boolean isLastInterrupted = false; while (true) { try { input = consoleLineReader.readLine("> "); } catch (UserInterruptException e) { if (!isLastInterrupted) { isLastInterrupted = true; Grasscutter.getLogger().info("Press Ctrl-C again to shutdown."); continue; } else { Runtime.getRuntime().exit(0); } } catch (EndOfFileException e) { Grasscutter.getLogger().info("EOF detected."); continue; } catch (IOError e) { Grasscutter.getLogger().error("An IO error occurred.", e); continue; } isLastInterrupted = false; try { CommandMap.getInstance().invoke(null, null, input); } catch (Exception e) { Grasscutter.getLogger().error(translate("messages.game.command_error"), e); } } } public static ConfigContainer getConfig() { return config; } public static Language getLanguage() { return language; } public static void setLanguage(Language language) { Grasscutter.language = language; } public static Language getLanguage(String langCode) { return Language.getLanguage(langCode); } public static Logger getLogger() { return log; } public static LineReader getConsole() { if (consoleLineReader == null) { Terminal terminal = null; try { terminal = TerminalBuilder.builder().jna(true).build(); } catch (Exception e) { try { // Fallback to a dumb jline terminal. terminal = TerminalBuilder.builder().dumb(true).build(); } catch (Exception ignored) { // When dumb is true, build() never throws. } } consoleLineReader = LineReaderBuilder.builder() .terminal(terminal) .build(); } return consoleLineReader; } public static Gson getGsonFactory() { return gson; } public static DispatchServer getDispatchServer() { return dispatchServer; } public static GameServer getGameServer() { return gameServer; } public static PluginManager getPluginManager() { return pluginManager; } public static void updateDayOfWeek() { Calendar calendar = Calendar.getInstance(); day = calendar.get(Calendar.DAY_OF_WEEK); } public static int getCurrentDayOfWeek() { return day; } public enum ServerRunMode { HYBRID, DISPATCH_ONLY, GAME_ONLY } public enum ServerDebugMode { ALL, MISSING, NONE } }