Collect log when launcher crashed

HMCL/src/main/java/org/jackhuang/hmcl/Launcher.java

@@ -0,0 +1,144 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2017  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hmcl;
+
+import com.jfoenix.concurrency.JFXUtilities;
+import javafx.application.Application;
+import javafx.application.Platform;
+import javafx.stage.Stage;
+import org.jackhuang.hmcl.setting.Settings;
+import org.jackhuang.hmcl.task.Schedulers;
+import org.jackhuang.hmcl.task.Task;
+import org.jackhuang.hmcl.ui.Controllers;
+import org.jackhuang.hmcl.upgrade.AppDataUpgrader;
+import org.jackhuang.hmcl.upgrade.IUpgrader;
+import org.jackhuang.hmcl.upgrade.UpdateChecker;
+import org.jackhuang.hmcl.util.*;
+
+import java.io.File;
+import java.util.Arrays;
+import java.util.ResourceBundle;
+import java.util.concurrent.TimeUnit;
+import java.util.logging.Level;
+
+public final class Launcher extends Application {
+
+    @Override
+    public void start(Stage primaryStage) {
+        Thread.currentThread().setUncaughtExceptionHandler(CRASH_REPORTER);
+
+        try {
+            // When launcher visibility is set to "hide and reopen" without Platform.implicitExit = false,
+            // Stage.show() cannot work again because JavaFX Toolkit have already shut down.
+            Platform.setImplicitExit(false);
+            Controllers.initialize(primaryStage);
+            primaryStage.setResizable(false);
+            primaryStage.setScene(Controllers.getScene());
+            primaryStage.show();
+        } catch (Throwable e) {
+            CRASH_REPORTER.uncaughtException(Thread.currentThread(), e);
+        }
+    }
+
+    public static void main(String[] args) {
+        Thread.setDefaultUncaughtExceptionHandler(CRASH_REPORTER);
+
+        try {
+            // NetworkUtils.setUserAgentSupplier(() -> "Hello Minecraft! Launcher");
+            Constants.UI_THREAD_SCHEDULER = Constants.JAVAFX_UI_THREAD_SCHEDULER;
+            UPGRADER.parseArguments(VersionNumber.asVersion(VERSION), Arrays.asList(args));
+
+            Logging.LOG.info("*** " + TITLE + " ***");
+
+            UPDATE_CHECKER.process(false)
+                    .then(Task.of(Schedulers.javafx(), () -> {
+                        if (UPDATE_CHECKER.isOutOfDate())
+                            Controllers.showUpdate();
+                    }))
+                    .start();
+
+            launch(args);
+        } catch (Throwable e) { // Fucking JavaFX will suppress the exception and will break our crash reporter.
+            CRASH_REPORTER.uncaughtException(Thread.currentThread(), e);
+        }
+    }
+
+    public static void stopApplication() {
+        JFXUtilities.runInFX(() -> {
+            stopWithoutPlatform();
+            Platform.exit();
+        });
+    }
+
+    public static void stopWithoutPlatform() {
+        JFXUtilities.runInFX(() -> {
+            if (Controllers.getStage() == null)
+                return;
+            Controllers.getStage().close();
+
+            Logging.LOG.info("Shutting down executor services.");
+            Schedulers.shutdown();
+
+            Controllers.shutdown();
+
+            Lang.executeDelayed(OperatingSystem::forceGC, TimeUnit.SECONDS, 5, true);
+        });
+    }
+
+    public static File getWorkingDirectory(String folder) {
+        String home = System.getProperty("user.home", ".");
+        switch (OperatingSystem.CURRENT_OS) {
+            case LINUX:
+                return new File(home, "." + folder + "/");
+            case WINDOWS:
+                String appdata = System.getenv("APPDATA");
+                return new File(Lang.nonNull(appdata, home), "." + folder + "/");
+            case OSX:
+                return new File(home, "Library/Application Support/" + folder);
+            default:
+                return new File(home, folder + "/");
+        }
+    }
+
+    public static String i18n(String key) {
+        try {
+            return RESOURCE_BUNDLE.getString(key);
+        } catch (Exception e) {
+            Logging.LOG.log(Level.SEVERE, "Cannot find key " + key + " in resource bundle", e);
+            return key;
+        }
+    }
+
+    public static String i18n(String key, Object... formatArgs) {
+        return String.format(i18n(key), formatArgs);
+    }
+
+    public static final File MINECRAFT_DIRECTORY = getWorkingDirectory("minecraft");
+    public static final File HMCL_DIRECTORY = getWorkingDirectory("hmcl");
+
+    public static final String VERSION = "@HELLO_MINECRAFT_LAUNCHER_VERSION_FOR_GRADLE_REPLACING@";
+    public static final String NAME = "HMCL";
+    public static final String TITLE = NAME + " " + VERSION;
+    public static final ResourceBundle RESOURCE_BUNDLE = Settings.INSTANCE.getLocale().getResourceBundle();
+    public static final UpdateChecker UPDATE_CHECKER = new UpdateChecker(VersionNumber.asVersion(VERSION));
+    public static final IUpgrader UPGRADER = new AppDataUpgrader();
+    public static final CrashReporter CRASH_REPORTER = new CrashReporter();
+
+    public static final String CONTACT = "http://huangyuhui.duapp.com/hmcl.php";
+    public static final String PUBLISH = "http://www.mcbbs.net/thread-142335-1-1.html";
+}

HMCL/src/main/java/org/jackhuang/hmcl/Main.java

@@ -17,126 +17,24 @@
  */
 package org.jackhuang.hmcl;
 
-import com.jfoenix.concurrency.JFXUtilities;
-import javafx.application.Application;
-import javafx.application.Platform;
-import javafx.stage.Stage;
-import org.jackhuang.hmcl.setting.Settings;
-import org.jackhuang.hmcl.task.Schedulers;
-import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.ui.Controllers;
-import org.jackhuang.hmcl.upgrade.AppDataUpgrader;
-import org.jackhuang.hmcl.upgrade.IUpgrader;
-import org.jackhuang.hmcl.upgrade.UpdateChecker;
-import org.jackhuang.hmcl.util.*;
-
+import org.apache.commons.compress.utils.Charsets;
+import org.jackhuang.hmcl.util.Logging;
+import javax.swing.JOptionPane;
 import java.io.File;
-import java.util.Arrays;
-import java.util.ResourceBundle;
-import java.util.concurrent.TimeUnit;
-import java.util.logging.Level;
 
-public final class Main extends Application {
-
-    @Override
-    public void start(Stage primaryStage) {
-        Thread.currentThread().setUncaughtExceptionHandler(CRASH_REPORTER);
-
-        try {
-            // When launcher visibility is set to "hide and reopen" without Platform.implicitExit = false,
-            // Stage.show() cannot work again because JavaFX Toolkit have already shut down.
-            Platform.setImplicitExit(false);
-            Controllers.initialize(primaryStage);
-            primaryStage.setResizable(false);
-            primaryStage.setScene(Controllers.getScene());
-            primaryStage.show();
-        } catch (Throwable e) {
-            CRASH_REPORTER.uncaughtException(Thread.currentThread(), e);
-        }
-    }
+public final class Main {
 
     public static void main(String[] args) {
-        Thread.setDefaultUncaughtExceptionHandler(CRASH_REPORTER);
+        String currentDirectory = new File("").getAbsolutePath();
+        Logging.LOG.info("Current directory: " + currentDirectory);
+        if (currentDirectory.contains("!")) {
+            Logging.LOG.severe("Exclamation mark(!) is not allowed in the path where HMCL is in. Forcibly exit.");
 
-        try {
-            // NetworkUtils.setUserAgentSupplier(() -> "Hello Minecraft! Launcher");
-            Constants.UI_THREAD_SCHEDULER = Constants.JAVAFX_UI_THREAD_SCHEDULER;
-            UPGRADER.parseArguments(VersionNumber.asVersion(VERSION), Arrays.asList(args));
-
-            Logging.LOG.info("*** " + TITLE + " ***");
-
-            UPDATE_CHECKER.process(false)
-                    .then(Task.of(Schedulers.javafx(), () -> {
-                        if (UPDATE_CHECKER.isOutOfDate())
-                            Controllers.showUpdate();
-                    }))
-                    .start();
-
-            launch(args);
-        } catch (Throwable e) { // Fucking JavaFX will suppress the exception and will break our crash reporter.
-            CRASH_REPORTER.uncaughtException(Thread.currentThread(), e);
-        }
+            // No Chinese translation because both Swing and JavaFX cannot render Chinese character properly when exclamation mark exists in the path.
+            String message = "Exclamation mark(!) is not allowed in the path where HMCL is in.\nThe path is " + currentDirectory;
+            JOptionPane.showMessageDialog(null, message, "Error", JOptionPane.ERROR_MESSAGE);
+            System.exit(1);
+        } else
+            Launcher.main(args);
     }
-
-    public static void stopApplication() {
-        JFXUtilities.runInFX(() -> {
-            stopWithoutPlatform();
-            Platform.exit();
-        });
-    }
-
-    public static void stopWithoutPlatform() {
-        JFXUtilities.runInFX(() -> {
-            Controllers.getStage().close();
-
-            Logging.LOG.info("Shutting down executor services.");
-            Schedulers.shutdown();
-
-            Controllers.shutdown();
-
-            Lang.executeDelayed(OperatingSystem::forceGC, TimeUnit.SECONDS, 5, true);
-        });
-    }
-
-    public static String i18n(String key) {
-        try {
-            return RESOURCE_BUNDLE.getString(key);
-        } catch (Exception e) {
-            Logging.LOG.log(Level.SEVERE, "Cannot find key " + key + " in resource bundle", e);
-            return key;
-        }
-    }
-
-    public static String i18n(String key, Object... formatArgs) {
-        return String.format(i18n(key), formatArgs);
-    }
-
-    public static File getWorkingDirectory(String folder) {
-        String home = System.getProperty("user.home", ".");
-        switch (OperatingSystem.CURRENT_OS) {
-            case LINUX:
-                return new File(home, "." + folder + "/");
-            case WINDOWS:
-                String appdata = System.getenv("APPDATA");
-                return new File(Lang.nonNull(appdata, home), "." + folder + "/");
-            case OSX:
-                return new File(home, "Library/Application Support/" + folder);
-            default:
-                return new File(home, folder + "/");
-        }
-    }
-
-    public static final File MINECRAFT_DIRECTORY = getWorkingDirectory("minecraft");
-    public static final File HMCL_DIRECTORY = getWorkingDirectory("hmcl");
-
-    public static final String VERSION = "@HELLO_MINECRAFT_LAUNCHER_VERSION_FOR_GRADLE_REPLACING@";
-    public static final String NAME = "HMCL";
-    public static final String TITLE = NAME + " " + VERSION;
-    public static final ResourceBundle RESOURCE_BUNDLE = Settings.INSTANCE.getLocale().getResourceBundle();
-    public static final UpdateChecker UPDATE_CHECKER = new UpdateChecker(VersionNumber.asVersion(VERSION));
-    public static final IUpgrader UPGRADER = new AppDataUpgrader();
-    public static final CrashReporter CRASH_REPORTER = new CrashReporter();
-
-    public static final String CONTACT = "http://huangyuhui.duapp.com/hmcl.php";
-    public static final String PUBLISH = "http://www.mcbbs.net/thread-142335-1-1.html";
 }

HMCL/src/main/java/org/jackhuang/hmcl/game/AccountHelper.java

@@ -19,7 +19,7 @@ package org.jackhuang.hmcl.game;
 
 import javafx.geometry.Rectangle2D;
 import javafx.scene.image.Image;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.auth.Account;
 import org.jackhuang.hmcl.auth.yggdrasil.GameProfile;
 import org.jackhuang.hmcl.auth.yggdrasil.Texture;
@@ -43,7 +43,7 @@ public final class AccountHelper {
     public static final AccountHelper INSTANCE = new AccountHelper();
     private AccountHelper() {}
 
-    public static final File SKIN_DIR = new File(Main.HMCL_DIRECTORY, "skins");
+    public static final File SKIN_DIR = new File(Launcher.HMCL_DIRECTORY, "skins");
 
     public static void loadSkins() {
         loadSkins(Proxy.NO_PROXY);

HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLGameLauncher.java

@@ -17,7 +17,7 @@
  */
 package org.jackhuang.hmcl.game;
 
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.auth.AuthInfo;
 import org.jackhuang.hmcl.launch.DefaultLauncher;
 import org.jackhuang.hmcl.launch.ProcessListener;
@@ -45,7 +45,7 @@ public final class HMCLGameLauncher extends DefaultLauncher {
     protected void appendJvmArgs(List<String> result) {
         super.appendJvmArgs(result);
 
-        result.add("-Dminecraft.launcher.version=" + Main.VERSION);
-        result.add("-Dminecraft.launcher.brand=" + Main.NAME);
+        result.add("-Dminecraft.launcher.version=" + Launcher.VERSION);
+        result.add("-Dminecraft.launcher.brand=" + Launcher.NAME);
     }
 }

HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackManager.java

@@ -26,7 +26,6 @@ import org.jackhuang.hmcl.util.StringUtils;
 
 import java.io.File;
 import java.io.IOException;
-import java.util.Arrays;
 import java.util.List;
 
 /**

HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java

@@ -19,13 +19,12 @@ package org.jackhuang.hmcl.game;
 
 import com.jfoenix.concurrency.JFXUtilities;
 import javafx.application.Platform;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.auth.Account;
 import org.jackhuang.hmcl.auth.AuthInfo;
 import org.jackhuang.hmcl.auth.AuthenticationException;
 import org.jackhuang.hmcl.auth.ServerDisconnectException;
 import org.jackhuang.hmcl.download.DefaultDependencyManager;
-import org.jackhuang.hmcl.download.MaintainTask;
 import org.jackhuang.hmcl.launch.*;
 import org.jackhuang.hmcl.mod.CurseCompletionTask;
 import org.jackhuang.hmcl.setting.LauncherVisibility;
@@ -55,30 +54,27 @@ public final class LauncherHelper {
     public static final Queue<ManagedProcess> PROCESSES = new ConcurrentLinkedQueue<>();
     private final TaskExecutorDialogPane launchingStepsPane = new TaskExecutorDialogPane(() -> {});
 
-    public void launch(String selectedVersion, File scriptFile) {
-        Profile profile = Settings.INSTANCE.getSelectedProfile();
-        GameRepository repository = profile.getRepository();
-        Account account = Settings.INSTANCE.getSelectedAccount();
+    public void launch(Profile profile, Account account, String selectedVersion, File scriptFile) {
         if (account == null)
-            throw new IllegalStateException("No account");
+            throw new IllegalArgumentException("No account");
 
-        Version version = repository.getVersion(selectedVersion);
+        GameRepository repository = profile.getRepository();
+
+        Version version = repository.getResolvedVersion(selectedVersion);
         VersionSetting setting = profile.getVersionSetting(selectedVersion);
 
         Platform.runLater(() -> {
             try {
-                checkGameState(profile, setting, version, () -> Schedulers.newThread().schedule(() -> launch0(selectedVersion, scriptFile)));
+                checkGameState(profile, setting, version, () -> Schedulers.newThread().schedule(() -> launch0(profile, account, selectedVersion, scriptFile)));
             } catch (InterruptedException ignore) {
             }
         });
     }
 
-    private void launch0(String selectedVersion, File scriptFile) {
-        Profile profile = Settings.INSTANCE.getSelectedProfile();
+    private void launch0(Profile profile, Account account, String selectedVersion, File scriptFile) {
         GameRepository repository = profile.getRepository();
         DefaultDependencyManager dependencyManager = profile.getDependency();
         Version version = repository.getResolvedVersion(selectedVersion);
-        Account account = Settings.INSTANCE.getSelectedAccount();
         VersionSetting setting = profile.getVersionSetting(selectedVersion);
         Optional<String> gameVersion = GameVersion.minecraftVersion(repository.getVersionJar(version));
 
@@ -93,7 +89,7 @@ public final class LauncherHelper {
                 .then(Task.of(Schedulers.javafx(), () -> emitStatus(LoadingState.MODS)))
                 .then(new CurseCompletionTask(dependencyManager, selectedVersion))
                 .then(Task.of(Schedulers.javafx(), () -> emitStatus(LoadingState.LOGGING_IN)))
-                .then(Task.of(Main.i18n("account.methods"), variables -> {
+                .then(Task.of(Launcher.i18n("account.methods"), variables -> {
                     try {
                         try {
                             variables.set("account", account.logIn());
@@ -117,12 +113,12 @@ public final class LauncherHelper {
                 .then(variables -> {
                     DefaultLauncher launcher = variables.get("launcher");
                     if (scriptFile == null) {
-                        return new LaunchTask<>(launcher::launch).setName(Main.i18n("version.launch"));
+                        return new LaunchTask<>(launcher::launch).setName(Launcher.i18n("version.launch"));
                     } else {
                         return new LaunchTask<>(() -> {
                             launcher.makeLaunchScript(scriptFile);
                             return null;
-                        }).setName(Main.i18n("version.launch_script"));
+                        }).setName(Launcher.i18n("version.launch_script"));
                     }
                 })
                 .then(Task.of(variables -> {
@@ -130,7 +126,7 @@ public final class LauncherHelper {
                         ManagedProcess process = variables.get(LaunchTask.LAUNCH_ID);
                         PROCESSES.add(process);
                         if (setting.getLauncherVisibility() == LauncherVisibility.CLOSE)
-                            Main.stopApplication();
+                            Launcher.stopApplication();
                         else
                             launchingStepsPane.setCancel(() -> {
                                 process.stop();
@@ -138,7 +134,7 @@ public final class LauncherHelper {
                             });
                     } else
                         Platform.runLater(() ->
-                                Controllers.dialog(Main.i18n("version.launch_script.success", scriptFile.getAbsolutePath())));
+                                Controllers.dialog(Launcher.i18n("version.launch_script.success", scriptFile.getAbsolutePath())));
 
                 }))
                 .executor();
@@ -160,7 +156,7 @@ public final class LauncherHelper {
                     Platform.runLater(() -> {
                         if (executor.getLastException() != null)
                             Controllers.dialog(I18nException.getStackTrace(executor.getLastException()),
-                                    scriptFile == null ? Main.i18n("launch.failed") : Main.i18n("version.launch_script.failed"),
+                                    scriptFile == null ? Launcher.i18n("launch.failed") : Launcher.i18n("version.launch_script.failed"),
                                     MessageBox.ERROR_MESSAGE, Controllers::closeDialog);
                         else
                             Controllers.closeDialog();
@@ -180,35 +176,35 @@ public final class LauncherHelper {
         VersionNumber gameVersion = VersionNumber.asVersion(GameVersion.minecraftVersion(profile.getRepository().getVersionJar(version)).orElse("Unknown"));
         JavaVersion java = setting.getJavaVersion();
         if (java == null) {
-            Controllers.dialog(Main.i18n("launch.wrong_javadir"), Main.i18n("message.error"), MessageBox.ERROR_MESSAGE, onAccept);
+            Controllers.dialog(Launcher.i18n("launch.wrong_javadir"), Launcher.i18n("message.error"), MessageBox.ERROR_MESSAGE, onAccept);
             setting.setJava(null);
             java = JavaVersion.fromCurrentEnvironment();
             flag = true;
         }
 
         if (java.getParsedVersion() < JavaVersion.JAVA_8) {
-            Controllers.dialog(Main.i18n("launch.advice.newer_java"), Main.i18n("message.error"), MessageBox.ERROR_MESSAGE, onAccept);
+            Controllers.dialog(Launcher.i18n("launch.advice.newer_java"), Launcher.i18n("message.error"), MessageBox.ERROR_MESSAGE, onAccept);
             flag = true;
         }
 
         if (java.getParsedVersion() >= JavaVersion.JAVA_9 && gameVersion.compareTo(VersionNumber.asVersion("1.12.5")) < 0 && version.getMainClass().contains("launchwrapper")) {
-            Controllers.dialog(Main.i18n("launch.advice.java9"), Main.i18n("message.error"), MessageBox.ERROR_MESSAGE, null);
+            Controllers.dialog(Launcher.i18n("launch.advice.java9"), Launcher.i18n("message.error"), MessageBox.ERROR_MESSAGE, null);
             suggest = false;
             flag = true;
         }
 
         if (java.getPlatform() == org.jackhuang.hmcl.util.Platform.BIT_32 &&
                 org.jackhuang.hmcl.util.Platform.IS_64_BIT) {
-            Controllers.dialog(Main.i18n("launch.advice.different_platform"), Main.i18n("message.error"), MessageBox.ERROR_MESSAGE, onAccept);
+            Controllers.dialog(Launcher.i18n("launch.advice.different_platform"), Launcher.i18n("message.error"), MessageBox.ERROR_MESSAGE, onAccept);
             flag = true;
         }
         if (java.getPlatform() == org.jackhuang.hmcl.util.Platform.BIT_32 &&
                 setting.getMaxMemory() > 1.5 * 1024) {
-            Controllers.dialog(Main.i18n("launch.advice.too_large_memory_for_32bit"), Main.i18n("message.error"), MessageBox.ERROR_MESSAGE, onAccept);
+            Controllers.dialog(Launcher.i18n("launch.advice.too_large_memory_for_32bit"), Launcher.i18n("message.error"), MessageBox.ERROR_MESSAGE, onAccept);
             flag = true;
         }
         if (OperatingSystem.TOTAL_MEMORY > 0 && OperatingSystem.TOTAL_MEMORY < setting.getMaxMemory()) {
-            Controllers.dialog(Main.i18n("launch.advice.not_enough_space", OperatingSystem.TOTAL_MEMORY), Main.i18n("message.error"), MessageBox.ERROR_MESSAGE, onAccept);
+            Controllers.dialog(Launcher.i18n("launch.advice.not_enough_space", OperatingSystem.TOTAL_MEMORY), Launcher.i18n("message.error"), MessageBox.ERROR_MESSAGE, onAccept);
             flag = true;
         }
 
@@ -245,8 +241,8 @@ public final class LauncherHelper {
                 Platform.runLater(() -> {
                     // Shut down the platform when user closed log window.
                     Platform.setImplicitExit(true);
-                    // If we use Main.stop(), log window will be halt immediately.
-                    Main.stopWithoutPlatform();
+                    // If we use Launcher.stop(), log window will be halt immediately.
+                    Launcher.stopWithoutPlatform();
                 });
                 break;
         }
@@ -264,11 +260,11 @@ public final class LauncherHelper {
             try {
                 setResult(supplier.get());
             } catch (PermissionException e) {
-                throw new I18nException(Main.i18n("launch.failed.executable_permission"), e);
+                throw new I18nException(Launcher.i18n("launch.failed.executable_permission"), e);
             } catch (ProcessCreationException e) {
-                throw new I18nException(Main.i18n("launch.failed.creating_process") + e.getLocalizedMessage(), e);
+                throw new I18nException(Launcher.i18n("launch.failed.creating_process") + e.getLocalizedMessage(), e);
             } catch (NotDecompressingNativesException e) {
-                throw new I18nException(Main.i18n("launch.failed.decompressing_natives") + e.getLocalizedMessage(), e);
+                throw new I18nException(Launcher.i18n("launch.failed.decompressing_natives") + e.getLocalizedMessage(), e);
             }
         }
 
@@ -385,10 +381,10 @@ public final class LauncherHelper {
 
                     switch (exitType) {
                         case JVM_ERROR:
-                            logWindow.setTitle(Main.i18n("launch.failed.cannot_create_jvm"));
+                            logWindow.setTitle(Launcher.i18n("launch.failed.cannot_create_jvm"));
                             break;
                         case APPLICATION_ERROR:
-                            logWindow.setTitle(Main.i18n("launch.failed.exited_abnormally"));
+                            logWindow.setTitle(Launcher.i18n("launch.failed.exited_abnormally"));
                             break;
                     }
 

HMCL/src/main/java/org/jackhuang/hmcl/game/LoadingState.java

@@ -17,7 +17,7 @@
  */
 package org.jackhuang.hmcl.game;
 
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 
 public enum LoadingState {
     DEPENDENCIES("launch.state.dependencies"),
@@ -33,6 +33,6 @@ public enum LoadingState {
     }
 
     public String getLocalizedMessage() {
-        return Main.i18n(key);
+        return Launcher.i18n(key);
     }
 }

HMCL/src/main/java/org/jackhuang/hmcl/setting/Accounts.java

@@ -17,8 +17,7 @@
  */
 package org.jackhuang.hmcl.setting;
 
-import com.google.gson.JsonParseException;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.auth.Account;
 import org.jackhuang.hmcl.auth.AccountFactory;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorAccount;
@@ -74,8 +73,8 @@ public final class Accounts {
 
     private static String downloadAuthlibInjector() throws Exception {
         AuthlibInjectorBuildInfo buildInfo = AuthlibInjectorBuildInfo.requestBuildInfo();
-        File jar = new File(Main.HMCL_DIRECTORY, "authlib-injector.jar");
-        File local = new File(Main.HMCL_DIRECTORY, "authlib-injector.txt");
+        File jar = new File(Launcher.HMCL_DIRECTORY, "authlib-injector.jar");
+        File local = new File(Launcher.HMCL_DIRECTORY, "authlib-injector.txt");
         int buildNumber = 0;
         try {
             buildNumber = Integer.parseInt(FileUtils.readText(local));
@@ -88,17 +87,13 @@ public final class Accounts {
         return jar.getAbsolutePath();
     }
 
-    public static String getAuthlibInjectorServerName(String serverIp) {
+    public static String getAuthlibInjectorServerName(String serverIp) throws Exception {
         if (AUTHLIB_INJECTOR_SERVER_NAMES.containsKey(serverIp))
             return AUTHLIB_INJECTOR_SERVER_NAMES.get(serverIp);
         else {
-            try {
-                AuthlibInjectorServerResponse response = Constants.GSON.fromJson(NetworkUtils.doGet(NetworkUtils.toURL(serverIp)), AuthlibInjectorServerResponse.class);
-                AUTHLIB_INJECTOR_SERVER_NAMES.put(serverIp, response.getMeta().getServerName());
-                return response.getMeta().getServerName();
-            } catch (JsonParseException | IOException | NullPointerException e) {
-                return null;
-            }
+            AuthlibInjectorServerResponse response = Constants.GSON.fromJson(NetworkUtils.doGet(NetworkUtils.toURL(serverIp)), AuthlibInjectorServerResponse.class);
+            AUTHLIB_INJECTOR_SERVER_NAMES.put(serverIp, response.getMeta().getServerName());
+            return response.getMeta().getServerName();
         }
     }
 }

HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java

@@ -18,7 +18,7 @@
 package org.jackhuang.hmcl.setting;
 
 import com.google.gson.annotations.SerializedName;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.util.JavaVersion;
 
 import java.util.*;
@@ -35,7 +35,7 @@ final class Config {
     private String backgroundImage = null;
 
     @SerializedName("commonpath")
-    private String commonDirectory = Main.MINECRAFT_DIRECTORY.getAbsolutePath();
+    private String commonDirectory = Launcher.MINECRAFT_DIRECTORY.getAbsolutePath();
 
     @SerializedName("hasProxy")
     private boolean hasProxy = false;

HMCL/src/main/java/org/jackhuang/hmcl/setting/DownloadProviders.java

@@ -23,7 +23,6 @@ import org.jackhuang.hmcl.download.DownloadProvider;
 import org.jackhuang.hmcl.download.MojangDownloadProvider;
 import org.jackhuang.hmcl.util.Lang;
 
-import java.util.Arrays;
 import java.util.List;
 
 public final class DownloadProviders {

HMCL/src/main/java/org/jackhuang/hmcl/setting/Locales.java

@@ -20,7 +20,6 @@ package org.jackhuang.hmcl.setting;
 import org.jackhuang.hmcl.ui.construct.UTF8Control;
 import org.jackhuang.hmcl.util.Lang;
 
-import java.util.Arrays;
 import java.util.List;
 import java.util.Locale;
 import java.util.ResourceBundle;

HMCL/src/main/java/org/jackhuang/hmcl/setting/Profiles.java

@@ -17,7 +17,7 @@
  */
 package org.jackhuang.hmcl.setting;
 
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 
 public final class Profiles {
     private Profiles() {
@@ -26,9 +26,9 @@ public final class Profiles {
     public static String getProfileDisplayName(Profile profile) {
         switch (profile.getName()) {
             case Settings.DEFAULT_PROFILE:
-                return Main.i18n("profile.default");
+                return Launcher.i18n("profile.default");
             case Settings.HOME_PROFILE:
-                return Main.i18n("profile.home");
+                return Launcher.i18n("profile.home");
             default:
                 return profile.getName();
         }

HMCL/src/main/java/org/jackhuang/hmcl/setting/Proxies.java

@@ -20,7 +20,6 @@ package org.jackhuang.hmcl.setting;
 import org.jackhuang.hmcl.util.Lang;
 
 import java.net.Proxy;
-import java.util.Arrays;
 import java.util.List;
 
 /**

HMCL/src/main/java/org/jackhuang/hmcl/setting/Settings.java

@@ -23,7 +23,7 @@ import javafx.beans.property.ObjectProperty;
 import javafx.beans.property.StringProperty;
 import javafx.beans.value.ObservableValue;
 import javafx.scene.text.Font;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.auth.Account;
 import org.jackhuang.hmcl.auth.AccountFactory;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorAccount;
@@ -525,13 +525,13 @@ public class Settings {
     private void checkProfileMap() {
         if (getProfileMap().isEmpty()) {
             getProfileMap().put(DEFAULT_PROFILE, new Profile(DEFAULT_PROFILE));
-            getProfileMap().put(HOME_PROFILE, new Profile(HOME_PROFILE, Main.MINECRAFT_DIRECTORY));
+            getProfileMap().put(HOME_PROFILE, new Profile(HOME_PROFILE, Launcher.MINECRAFT_DIRECTORY));
         }
     }
 
     private void onProfileChanged() {
-        getSelectedProfile().getRepository().refreshVersionsAsync().start();
         EventBus.EVENT_BUS.fireEvent(new ProfileChangedEvent(SETTINGS, getSelectedProfile()));
+        getSelectedProfile().getRepository().refreshVersionsAsync().start();
     }
 
     private void profileNameChanged(ObservableValue<? extends String> observableValue, String oldValue, String newValue) {

HMCL/src/main/java/org/jackhuang/hmcl/setting/VersionSetting.java

@@ -19,7 +19,7 @@ package org.jackhuang.hmcl.setting;
 
 import com.google.gson.*;
 import javafx.beans.InvalidationListener;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.game.LaunchOptions;
 import org.jackhuang.hmcl.util.*;
 
@@ -482,8 +482,8 @@ public final class VersionSetting {
         return new LaunchOptions.Builder()
                 .setGameDir(gameDir)
                 .setJava(javaVersion)
-                .setVersionName(Main.TITLE)
-                .setProfileName(Main.TITLE)
+                .setVersionName(Launcher.TITLE)
+                .setProfileName(Launcher.TITLE)
                 .setMinecraftArgs(getMinecraftArgs())
                 .setJavaArgs(getJavaArgs())
                 .setMaxMemory(getMaxMemory())

HMCL/src/main/java/org/jackhuang/hmcl/ui/AccountsPage.java

@@ -34,7 +34,7 @@ import javafx.scene.image.ImageView;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.StackPane;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.auth.*;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorAccount;
 import org.jackhuang.hmcl.auth.offline.OfflineAccount;
@@ -49,16 +49,19 @@ import org.jackhuang.hmcl.ui.construct.AdvancedListBox;
 import org.jackhuang.hmcl.ui.construct.IconedItem;
 import org.jackhuang.hmcl.ui.construct.Validator;
 import org.jackhuang.hmcl.ui.wizard.DecoratorPage;
+import org.jackhuang.hmcl.util.Logging;
 
 import java.util.Collection;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Optional;
 import java.util.concurrent.CountDownLatch;
+import java.util.logging.Level;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 public final class AccountsPage extends StackPane implements DecoratorPage {
-    private final StringProperty title = new SimpleStringProperty(this, "title", Main.i18n("account"));
+    private final StringProperty title = new SimpleStringProperty(this, "title", Launcher.i18n("account"));
 
     @FXML
     private ScrollPane scrollPane;
@@ -82,7 +85,7 @@ public final class AccountsPage extends StackPane implements DecoratorPage {
 
         FXUtils.smoothScrolling(scrollPane);
 
-        cboType.getItems().setAll(Main.i18n("account.methods.offline"), Main.i18n("account.methods.yggdrasil"), Main.i18n("account.methods.authlib_injector"));
+        cboType.getItems().setAll(Launcher.i18n("account.methods.offline"), Launcher.i18n("account.methods.yggdrasil"), Launcher.i18n("account.methods.authlib_injector"));
         cboType.getSelectionModel().selectedIndexProperty().addListener((a, b, newValue) -> {
             txtPassword.setVisible(newValue.intValue() != 0);
             lblPassword.setVisible(newValue.intValue() != 0);
@@ -98,7 +101,7 @@ public final class AccountsPage extends StackPane implements DecoratorPage {
 
         txtPassword.setOnAction(e -> onCreationAccept());
         txtUsername.setOnAction(e -> onCreationAccept());
-        txtUsername.getValidators().add(new Validator(Main.i18n("input.email"), str -> !txtPassword.isVisible() || str.contains("@")));
+        txtUsername.getValidators().add(new Validator(Launcher.i18n("input.email"), str -> !txtPassword.isVisible() || str.contains("@")));
 
         FXUtils.onChangeAndOperate(Settings.INSTANCE.selectedAccountProperty(), account -> {
             for (Node node : masonryPane.getChildren())
@@ -133,7 +136,14 @@ public final class AccountsPage extends StackPane implements DecoratorPage {
 
     public void loadServers() {
         Task.ofResult("list", () -> Settings.INSTANCE.getAuthlibInjectorServerURLs().parallelStream()
-                .map(serverURL -> new TwoLineListItem(Accounts.getAuthlibInjectorServerName(serverURL), serverURL))
+                .flatMap(serverURL -> {
+                    try {
+                        return Stream.of(new TwoLineListItem(Accounts.getAuthlibInjectorServerName(serverURL), serverURL));
+                    } catch (Exception e) {
+                        Logging.LOG.log(Level.WARNING, "Authlib-injector server root " + serverURL + " cannot be recognized.", e);
+                        return Stream.empty();
+                    }
+                })
                 .collect(Collectors.toList()))
                 .subscribe(Task.of(Schedulers.javafx(), variables -> {
                     cboServers.getItems().setAll(variables.<Collection<TwoLineListItem>>get("list"));
@@ -217,25 +227,25 @@ public final class AccountsPage extends StackPane implements DecoratorPage {
 
     public static String accountException(Exception exception) {
         if (exception instanceof InvalidCredentialsException) {
-            return Main.i18n("account.failed.invalid_credentials");
+            return Launcher.i18n("account.failed.invalid_credentials");
         } else if (exception instanceof NoCharacterException) {
-            return Main.i18n("account.failed.no_charactor");
+            return Launcher.i18n("account.failed.no_charactor");
         } else if (exception instanceof ServerDisconnectException) {
-            return Main.i18n("account.failed.connect_authentication_server");
+            return Launcher.i18n("account.failed.connect_authentication_server");
         } else if (exception instanceof InvalidTokenException) {
-            return Main.i18n("account.failed.invalid_token");
+            return Launcher.i18n("account.failed.invalid_token");
         } else if (exception instanceof InvalidPasswordException) {
-            return Main.i18n("account.failed.invalid_password");
+            return Launcher.i18n("account.failed.invalid_password");
         } else {
             return exception.getClass() + ": " + exception.getLocalizedMessage();
         }
     }
 
     public static String accountType(Account account) {
-        if (account instanceof OfflineAccount) return Main.i18n("account.methods.offline");
-        else if (account instanceof AuthlibInjectorAccount) return Main.i18n("account.methods.authlib_injector");
-        else if (account instanceof YggdrasilAccount) return Main.i18n("account.methods.yggdrasil");
-        else throw new Error(Main.i18n("account.methods.no_method") + ": " + account);
+        if (account instanceof OfflineAccount) return Launcher.i18n("account.methods.offline");
+        else if (account instanceof AuthlibInjectorAccount) return Launcher.i18n("account.methods.authlib_injector");
+        else if (account instanceof YggdrasilAccount) return Launcher.i18n("account.methods.yggdrasil");
+        else throw new Error(Launcher.i18n("account.methods.no_method") + ": " + account);
     }
 
     private static class Selector extends BorderPane implements CharacterSelector {
@@ -248,11 +258,11 @@ public final class AccountsPage extends StackPane implements DecoratorPage {
         {
             setStyle("-fx-padding: 8px;");
 
-            cancel.setText(Main.i18n("button.cancel"));
+            cancel.setText(Launcher.i18n("button.cancel"));
             StackPane.setAlignment(cancel, Pos.BOTTOM_RIGHT);
             cancel.setOnMouseClicked(e -> latch.countDown());
 
-            listBox.startCategory(Main.i18n("account.choose"));
+            listBox.startCategory(Launcher.i18n("account.choose"));
 
             setCenter(listBox);
 

HMCL/src/main/java/org/jackhuang/hmcl/ui/AuthlibInjectorServersPage.java

@@ -9,7 +9,7 @@ import javafx.scene.control.Label;
 import javafx.scene.control.ScrollPane;
 import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServerInfo;
 import org.jackhuang.hmcl.setting.Accounts;
 import org.jackhuang.hmcl.setting.Settings;
@@ -18,14 +18,16 @@ import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.ui.animation.ContainerAnimations;
 import org.jackhuang.hmcl.ui.animation.TransitionHandler;
 import org.jackhuang.hmcl.ui.wizard.DecoratorPage;
+import org.jackhuang.hmcl.util.Logging;
 import org.jackhuang.hmcl.util.NetworkUtils;
 
 import java.util.Collection;
-import java.util.Objects;
+import java.util.logging.Level;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 public class AuthlibInjectorServersPage extends StackPane implements DecoratorPage {
-    private final StringProperty title = new SimpleStringProperty(this, "title", Main.i18n("account.injector.server"));
+    private final StringProperty title = new SimpleStringProperty(this, "title", Launcher.i18n("account.injector.server"));
 
     @FXML private ScrollPane scrollPane;
     @FXML private StackPane addServerContainer;
@@ -69,7 +71,14 @@ public class AuthlibInjectorServersPage extends StackPane implements DecoratorPa
         spinner.setVisible(true);
 
         Task.ofResult("list", () -> Settings.INSTANCE.getAuthlibInjectorServerURLs().parallelStream()
-                .map(serverURL -> new AuthlibInjectorServerItem(new AuthlibInjectorServerInfo(serverURL, Accounts.getAuthlibInjectorServerName(serverURL)), this::removeServer))
+                .flatMap(serverURL -> {
+                    try {
+                        return Stream.of(new AuthlibInjectorServerItem(new AuthlibInjectorServerInfo(serverURL, Accounts.getAuthlibInjectorServerName(serverURL)), this::removeServer));
+                    } catch (Exception e) {
+                        Logging.LOG.log(Level.WARNING, "Authlib-injector server root " + serverURL + " cannot be recognized.", e);
+                        return Stream.empty();
+                    }
+                })
                 .collect(Collectors.toList()))
                 .subscribe(Task.of(Schedulers.javafx(), variables -> {
                     listPane.getChildren().setAll(variables.<Collection<? extends Node>>get("list"));
@@ -105,7 +114,7 @@ public class AuthlibInjectorServersPage extends StackPane implements DecoratorPa
         progressBar.setVisible(true);
         addServerPane.setDisable(true);
 
-        Task.ofResult("serverName", () -> Objects.requireNonNull(Accounts.getAuthlibInjectorServerName(serverIp)))
+        Task.ofResult("serverName", () -> Accounts.getAuthlibInjectorServerName(serverIp))
                 .finalized(Schedulers.javafx(), (variables, isDependentsSucceeded) -> {
                     progressBar.setVisible(false);
                     addServerPane.setDisable(false);

HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java

@@ -23,7 +23,7 @@ import javafx.scene.Scene;
 import javafx.scene.image.Image;
 import javafx.scene.layout.Region;
 import javafx.stage.Stage;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.setting.Settings;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.task.TaskExecutor;
@@ -93,7 +93,7 @@ public final class Controllers {
     public static void initialize(Stage stage) {
         Controllers.stage = stage;
 
-        decorator = new Decorator(stage, getMainPage(), Main.TITLE, false, true);
+        decorator = new Decorator(stage, getMainPage(), Launcher.TITLE, false, true);
         decorator.showPage(null);
         leftPaneController = new LeftPaneController(decorator.getLeftPane());
 
@@ -110,7 +110,7 @@ public final class Controllers {
         stage.setMaxHeight(521);
 
         stage.getIcons().add(new Image("/assets/img/icon.png"));
-        stage.setTitle(Main.TITLE);
+        stage.setTitle(Launcher.TITLE);
     }
 
     public static Region getDialogContent() {

HMCL/src/main/java/org/jackhuang/hmcl/ui/CrashWindow.java

@@ -27,7 +27,7 @@ import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.StackPane;
 import javafx.stage.Stage;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 
 /**
  * @author huangyuhui
@@ -36,10 +36,10 @@ public class CrashWindow extends Stage {
 
     public CrashWindow(String text) {
         Label lblCrash = new Label();
-        if (Main.UPDATE_CHECKER.isOutOfDate())
-            lblCrash.setText(Main.i18n("launcher.crash_out_dated"));
+        if (Launcher.UPDATE_CHECKER.isOutOfDate())
+            lblCrash.setText(Launcher.i18n("launcher.crash_out_dated"));
         else
-            lblCrash.setText(Main.i18n("launcher.crash"));
+            lblCrash.setText(Launcher.i18n("launcher.crash"));
         lblCrash.setWrapText(true);
 
         TextArea textArea = new TextArea();
@@ -47,8 +47,8 @@ public class CrashWindow extends Stage {
         textArea.setEditable(false);
 
         Button btnContact = new Button();
-        btnContact.setText(Main.i18n("launcher.contact"));
-        btnContact.setOnMouseClicked(event -> FXUtils.openLink(Main.CONTACT));
+        btnContact.setText(Launcher.i18n("launcher.contact"));
+        btnContact.setOnMouseClicked(event -> FXUtils.openLink(Launcher.CONTACT));
         HBox box = new HBox();
         box.setStyle("-fx-padding: 8px;");
         box.getChildren().add(btnContact);
@@ -65,7 +65,7 @@ public class CrashWindow extends Stage {
         Scene scene = new Scene(pane, 800, 480);
         setScene(scene);
         getIcons().add(new Image("/assets/img/icon.png"));
-        setTitle(Main.i18n("message.error"));
+        setTitle(Launcher.i18n("message.error"));
 
         setOnCloseRequest(e -> System.exit(1));
     }

HMCL/src/main/java/org/jackhuang/hmcl/ui/Decorator.java

@@ -45,7 +45,7 @@ import javafx.scene.shape.Rectangle;
 import javafx.stage.Screen;
 import javafx.stage.Stage;
 import javafx.stage.StageStyle;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.setting.EnumBackgroundImage;
 import org.jackhuang.hmcl.setting.Settings;
 import org.jackhuang.hmcl.setting.Theme;
@@ -74,7 +74,7 @@ public final class Decorator extends StackPane implements TaskExecutorDialogWiza
     private static final SVGGlyph close = Lang.apply(new SVGGlyph(0, "CLOSE", "M810 274l-238 238 238 238-60 60-238-238-238 238-60-60 238-238-238-238 60-60 238 238 238-238z", Color.WHITE),
             glyph -> { glyph.setPrefSize(12, 12); glyph.setSize(12, 12); });
 
-    private final ObjectProperty<Runnable> onCloseButtonAction = new SimpleObjectProperty<>(Main::stopApplication);
+    private final ObjectProperty<Runnable> onCloseButtonAction = new SimpleObjectProperty<>(Launcher::stopApplication);
     private final BooleanProperty customMaximize = new SimpleBooleanProperty(false);
 
     private final Stage primaryStage;
@@ -144,7 +144,7 @@ public final class Decorator extends StackPane implements TaskExecutorDialogWiza
         FXUtils.loadFXML(this, "/assets/fxml/decorator.fxml");
 
         updatePane.setCursor(Cursor.HAND);
-        updatePane.setOnMouseClicked(event -> Main.UPDATE_CHECKER.checkOutdate());
+        updatePane.setOnMouseClicked(event -> Launcher.UPDATE_CHECKER.checkOutdate());
 
         primaryStage.initStyle(StageStyle.UNDECORATED);
         btnClose.setGraphic(close);
@@ -487,6 +487,7 @@ public final class Decorator extends StackPane implements TaskExecutorDialogWiza
     }
 
     private void setContent(Node content, AnimationProducer animation) {
+        isWizardPageNow = false;
         animationHandler.setContent(content, animation);
 
         if (content instanceof Region) {
@@ -494,11 +495,8 @@ public final class Decorator extends StackPane implements TaskExecutorDialogWiza
             FXUtils.setOverflowHidden((Region) content, true);
         }
 
-        if (content instanceof Refreshable)
-            refreshNavButton.setVisible(true);
-
-        if (content != mainPage)
-            backNavButton.setVisible(true);
+        refreshNavButton.setVisible(content instanceof Refreshable);
+        backNavButton.setVisible(content != mainPage);
 
         String prefix = category == null ? "" : category + " - ";
 
@@ -513,6 +511,7 @@ public final class Decorator extends StackPane implements TaskExecutorDialogWiza
 
     private String category;
     private Node nowPage;
+    private boolean isWizardPageNow;
 
     public Node getNowPage() {
         return nowPage;
@@ -576,6 +575,7 @@ public final class Decorator extends StackPane implements TaskExecutorDialogWiza
         contentPlaceHolder.getStyleClass().removeAll("gray-background", "white-background");
         contentPlaceHolder.getStyleClass().add("white-background");
         setContent(page, nav.getAnimation().getAnimationProducer());
+        isWizardPageNow = true;
     }
 
     @FXML
@@ -591,7 +591,7 @@ public final class Decorator extends StackPane implements TaskExecutorDialogWiza
 
     @FXML
     private void onBack() {
-        if (wizardController.canPrev())
+        if (isWizardPageNow && wizardController.canPrev())
             wizardController.onPrev(true);
         else
             onCloseNav();

HMCL/src/main/java/org/jackhuang/hmcl/ui/FXUtils.java

@@ -41,7 +41,7 @@ import javafx.scene.input.ScrollEvent;
 import javafx.scene.layout.Region;
 import javafx.scene.shape.Rectangle;
 import javafx.util.Duration;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.util.*;
 
 import java.io.File;
@@ -184,7 +184,7 @@ public final class FXUtils {
     }
 
     public static void loadFXML(Node node, String absolutePath) {
-        FXMLLoader loader = new FXMLLoader(node.getClass().getResource(absolutePath), Main.RESOURCE_BUNDLE);
+        FXMLLoader loader = new FXMLLoader(node.getClass().getResource(absolutePath), Launcher.RESOURCE_BUNDLE);
         loader.setRoot(node);
         loader.setController(node);
         Lang.invoke((ExceptionalSupplier<Object, IOException>) loader::load);

HMCL/src/main/java/org/jackhuang/hmcl/ui/InstallerItem.java

@@ -21,7 +21,7 @@ import com.jfoenix.effects.JFXDepthManager;
 import javafx.fxml.FXML;
 import javafx.scene.control.Label;
 import javafx.scene.layout.BorderPane;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 
 import java.util.function.Consumer;
 
@@ -44,7 +44,7 @@ public class InstallerItem extends BorderPane {
         setStyle("-fx-background-radius: 2; -fx-background-color: white; -fx-padding: 8;");
         JFXDepthManager.setDepth(this, 1);
         lblInstallerArtifact.setText(artifact);
-        lblInstallerVersion.setText(Main.i18n("archive.version") + ": " + version);
+        lblInstallerVersion.setText(Launcher.i18n("archive.version") + ": " + version);
     }
 
     @FXML

HMCL/src/main/java/org/jackhuang/hmcl/ui/LeftPaneController.java

@@ -25,7 +25,7 @@ import javafx.scene.image.Image;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.VBox;
 import javafx.scene.text.Text;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccount;
 import org.jackhuang.hmcl.event.EventBus;
 import org.jackhuang.hmcl.event.ProfileChangedEvent;
@@ -60,18 +60,18 @@ public final class LeftPaneController {
     public LeftPaneController(AdvancedListBox leftPane) {
         this.leftPane = leftPane;
 
-        leftPane.startCategory(Main.i18n("account").toUpperCase())
+        leftPane.startCategory(Launcher.i18n("account").toUpperCase())
                 .add(Lang.apply(new RipplerContainer(accountItem), rippler -> {
                     rippler.setOnMouseClicked(e -> Controllers.navigate(new AccountsPage()));
                     accountItem.setOnSettingsButtonClicked(() -> Controllers.navigate(new AccountsPage()));
                 }))
-                .startCategory(Main.i18n("launcher").toUpperCase())
-                .add(Lang.apply(new IconedItem(SVG.gear(Theme.blackFillBinding(), 20, 20), Main.i18n("settings.launcher")), iconedItem -> {
+                .startCategory(Launcher.i18n("launcher").toUpperCase())
+                .add(Lang.apply(new IconedItem(SVG.gear(Theme.blackFillBinding(), 20, 20), Launcher.i18n("settings.launcher")), iconedItem -> {
                     iconedItem.prefWidthProperty().bind(leftPane.widthProperty());
                     iconedItem.setOnMouseClicked(e -> Controllers.navigate(Controllers.getSettingsPage()));
                 }))
                 .add(new ClassTitle(Lang.apply(new BorderPane(), borderPane -> {
-                    borderPane.setLeft(Lang.apply(new VBox(), vBox -> vBox.getChildren().setAll(new Text(Main.i18n("profile.title").toUpperCase()))));
+                    borderPane.setLeft(Lang.apply(new VBox(), vBox -> vBox.getChildren().setAll(new Text(Launcher.i18n("profile.title").toUpperCase()))));
                     JFXButton addProfileButton = new JFXButton();
                     addProfileButton.setGraphic(SVG.plus(Theme.blackFillBinding(), 10, 10));
                     addProfileButton.getStyleClass().add("toggle-icon-tiny");
@@ -87,8 +87,8 @@ public final class LeftPaneController {
 
         FXUtils.onChangeAndOperate(Settings.INSTANCE.selectedAccountProperty(), it -> {
             if (it == null) {
-                accountItem.setVersionName(Main.i18n("account.missing"));
-                accountItem.setGameVersion(Main.i18n("message.unknown"));
+                accountItem.setVersionName(Launcher.i18n("account.missing"));
+                accountItem.setGameVersion(Launcher.i18n("message.unknown"));
             } else {
                 accountItem.setVersionName(it.getCharacter());
                 accountItem.setGameVersion(AccountsPage.accountType(it));
@@ -110,7 +110,7 @@ public final class LeftPaneController {
                 if (node instanceof RipplerContainer && node.getProperties().get("profile") instanceof String) {
                     boolean current = Objects.equals(node.getProperties().get("profile"), profile.getName());
                     ((RipplerContainer) node).setSelected(current);
-                    ((VersionListItem) ((RipplerContainer) node).getContainer()).setGameVersion(current ? Main.i18n("profile.selected") : "");
+                    ((VersionListItem) ((RipplerContainer) node).getContainer()).setGameVersion(current ? Launcher.i18n("profile.selected") : "");
                 }
             }
         });
@@ -149,7 +149,7 @@ public final class LeftPaneController {
                                                 Controllers.closeDialog();
                                                 checkAccount();
                                             })).executor(),
-                                    Main.i18n("modpack.installing"), "", null);
+                                    Launcher.i18n("modpack.installing"), "", null);
                             flag = false;
                         } catch (UnsupportedModpackException ignore) {
                         }

HMCL/src/main/java/org/jackhuang/hmcl/ui/LogWindow.java

@@ -30,7 +30,7 @@ import javafx.scene.layout.StackPane;
 import javafx.scene.web.WebEngine;
 import javafx.scene.web.WebView;
 import javafx.stage.Stage;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.event.Event;
 import org.jackhuang.hmcl.event.EventManager;
 import org.jackhuang.hmcl.game.LauncherHelper;
@@ -63,7 +63,7 @@ public final class LogWindow extends Stage {
     public LogWindow() {
         setScene(new Scene(impl, 800, 480));
         getScene().getStylesheets().addAll(Settings.INSTANCE.getTheme().getStylesheets());
-        setTitle(Main.i18n("logwindow.title"));
+        setTitle(Launcher.i18n("logwindow.title"));
         getIcons().add(new Image("/assets/img/icon.png"));
     }
 

HMCL/src/main/java/org/jackhuang/hmcl/ui/MainPage.java

@@ -17,11 +17,8 @@
  */
 package org.jackhuang.hmcl.ui;
 
-import com.jfoenix.controls.JFXButton;
-import com.jfoenix.controls.JFXListView;
-import com.jfoenix.controls.JFXMasonryPane;
-import com.jfoenix.controls.JFXPopup;
-import javafx.application.Platform;
+import com.jfoenix.concurrency.JFXUtilities;
+import com.jfoenix.controls.*;
 import javafx.beans.property.SimpleStringProperty;
 import javafx.beans.property.StringProperty;
 import javafx.fxml.FXML;
@@ -30,11 +27,11 @@ import javafx.scene.image.Image;
 import javafx.scene.input.MouseButton;
 import javafx.scene.layout.StackPane;
 import javafx.stage.FileChooser;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.event.EventBus;
 import org.jackhuang.hmcl.event.ProfileChangedEvent;
-import org.jackhuang.hmcl.event.ProfileLoadingEvent;
 import org.jackhuang.hmcl.event.RefreshedVersionsEvent;
+import org.jackhuang.hmcl.event.RefreshingVersionsEvent;
 import org.jackhuang.hmcl.game.*;
 import org.jackhuang.hmcl.mod.MismatchedModpackTypeException;
 import org.jackhuang.hmcl.mod.UnsupportedModpackException;
@@ -52,25 +49,28 @@ import org.jackhuang.hmcl.util.StringUtils;
 
 import java.io.File;
 import java.io.IOException;
+import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
 
 public final class MainPage extends StackPane implements DecoratorPage {
 
-    private final StringProperty title = new SimpleStringProperty(this, "title", Main.i18n("main_page"));
+    private final StringProperty title = new SimpleStringProperty(this, "title", Launcher.i18n("main_page"));
 
     private Profile profile;
     private String rightClickedVersion;
+    private HMCLGameRepository rightClickedRepository;
 
     @FXML
     private JFXButton btnRefresh;
-
+    @FXML
+    private StackPane contentPane;
     @FXML
     private JFXButton btnAdd;
-
+    @FXML
+    private JFXSpinner spinner;
     @FXML
     private JFXMasonryPane masonryPane;
-
     @FXML
     private JFXListView versionList;
 
@@ -79,124 +79,134 @@ public final class MainPage extends StackPane implements DecoratorPage {
     {
         FXUtils.loadFXML(this, "/assets/fxml/main.fxml");
 
-        EventBus.EVENT_BUS.channel(RefreshedVersionsEvent.class).register(() -> Platform.runLater(this::loadVersions));
-        EventBus.EVENT_BUS.channel(ProfileLoadingEvent.class).register(this::onProfilesLoading);
-        EventBus.EVENT_BUS.channel(ProfileChangedEvent.class).register(this::onProfileChanged);
+        loadingVersions();
+
+        EventBus.EVENT_BUS.channel(RefreshedVersionsEvent.class).register(event -> {
+            if (event.getSource() == profile.getRepository())
+                loadVersions((HMCLGameRepository) event.getSource());
+        });
+        EventBus.EVENT_BUS.channel(RefreshingVersionsEvent.class).register(event -> {
+            if (event.getSource() == profile.getRepository())
+                JFXUtilities.runInFXAndWait(this::loadingVersions);
+        });
+        EventBus.EVENT_BUS.channel(ProfileChangedEvent.class).register(event -> {
+            this.profile = event.getProfile();
+        });
 
         versionPopup = new JFXPopup(versionList);
         getChildren().remove(versionList);
 
-        btnAdd.setOnMouseClicked(e -> Controllers.getDecorator().startWizard(new DownloadWizardProvider(), Main.i18n("install")));
-        FXUtils.installTooltip(btnAdd, Main.i18n("install"));
+        btnAdd.setOnMouseClicked(e -> Controllers.getDecorator().startWizard(new DownloadWizardProvider(), Launcher.i18n("install")));
+        FXUtils.installTooltip(btnAdd, Launcher.i18n("install"));
         btnRefresh.setOnMouseClicked(e -> Settings.INSTANCE.getSelectedProfile().getRepository().refreshVersionsAsync().start());
-        FXUtils.installTooltip(btnRefresh, Main.i18n("button.refresh"));
+        FXUtils.installTooltip(btnRefresh, Launcher.i18n("button.refresh"));
     }
 
-    private Node buildNode(Profile profile, String version, String game) {
+    private Node buildNode(HMCLGameRepository repository, Version version, String game) {
+        Profile profile = repository.getProfile();
+        String id = version.getId();
         VersionItem item = new VersionItem();
-        item.setUpdate(profile.getRepository().isModpack(version));
+        item.setUpdate(repository.isModpack(id));
         item.setGameVersion(game);
-        item.setVersionName(version);
+        item.setVersionName(id);
 
         StringBuilder libraries = new StringBuilder();
-        for (Library library : profile.getRepository().getVersion(version).getLibraries()) {
+        for (Library library : version.getLibraries()) {
             if (library.getGroupId().equalsIgnoreCase("net.minecraftforge") && library.getArtifactId().equalsIgnoreCase("forge")) {
-                libraries.append(Main.i18n("install.installer.forge")).append(": ").append(StringUtils.removeSuffix(StringUtils.removePrefix(library.getVersion().replaceAll("(?i)forge", "").replace(game, "").trim(), "-"), "-")).append("\n");
+                libraries.append(Launcher.i18n("install.installer.forge")).append(": ").append(StringUtils.removeSuffix(StringUtils.removePrefix(library.getVersion().replaceAll("(?i)forge", "").replace(game, "").trim(), "-"), "-")).append("\n");
             }
             if (library.getGroupId().equalsIgnoreCase("com.mumfrey") && library.getArtifactId().equalsIgnoreCase("liteloader")) {
-                libraries.append(Main.i18n("install.installer.liteloader")).append(": ").append(StringUtils.removeSuffix(StringUtils.removePrefix(library.getVersion().replaceAll("(?i)liteloader", "").replace(game, "").trim(), "-"), "-")).append("\n");
+                libraries.append(Launcher.i18n("install.installer.liteloader")).append(": ").append(StringUtils.removeSuffix(StringUtils.removePrefix(library.getVersion().replaceAll("(?i)liteloader", "").replace(game, "").trim(), "-"), "-")).append("\n");
             }
             if (library.getGroupId().equalsIgnoreCase("net.optifine") && library.getArtifactId().equalsIgnoreCase("optifine")) {
-                libraries.append(Main.i18n("install.installer.optifine")).append(": ").append(StringUtils.removeSuffix(StringUtils.removePrefix(library.getVersion().replaceAll("(?i)optifine", "").replace(game, "").trim(), "-"), "-")).append("\n");
+                libraries.append(Launcher.i18n("install.installer.optifine")).append(": ").append(StringUtils.removeSuffix(StringUtils.removePrefix(library.getVersion().replaceAll("(?i)optifine", "").replace(game, "").trim(), "-"), "-")).append("\n");
             }
         }
 
         item.setLibraries(libraries.toString());
         item.setOnLaunchButtonClicked(e -> {
             if (Settings.INSTANCE.getSelectedAccount() == null)
-                Controllers.dialog(Main.i18n("login.empty_username"));
+                Controllers.dialog(Launcher.i18n("login.empty_username"));
             else
-                LauncherHelper.INSTANCE.launch(version, null);
+                LauncherHelper.INSTANCE.launch(profile, Settings.INSTANCE.getSelectedAccount(), id, null);
         });
         item.setOnScriptButtonClicked(e -> {
             if (Settings.INSTANCE.getSelectedAccount() == null)
-                Controllers.dialog(Main.i18n("login.empty_username"));
+                Controllers.dialog(Launcher.i18n("login.empty_username"));
             else {
                 FileChooser chooser = new FileChooser();
-                chooser.setInitialDirectory(profile.getRepository().getRunDirectory(version));
-                chooser.setTitle(Main.i18n("version.launch_script.save"));
+                chooser.setInitialDirectory(repository.getRunDirectory(id));
+                chooser.setTitle(Launcher.i18n("version.launch_script.save"));
                 chooser.getExtensionFilters().add(OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS
-                        ? new FileChooser.ExtensionFilter(Main.i18n("extension.bat"), "*.bat")
-                        : new FileChooser.ExtensionFilter(Main.i18n("extension.sh"), "*.sh"));
+                        ? new FileChooser.ExtensionFilter(Launcher.i18n("extension.bat"), "*.bat")
+                        : new FileChooser.ExtensionFilter(Launcher.i18n("extension.sh"), "*.sh"));
                 File file = chooser.showSaveDialog(Controllers.getStage());
                 if (file != null)
-                    LauncherHelper.INSTANCE.launch(version, file);
+                    LauncherHelper.INSTANCE.launch(profile, Settings.INSTANCE.getSelectedAccount(), id, file);
             }
         });
         item.setOnSettingsButtonClicked(e -> {
             Controllers.getDecorator().showPage(Controllers.getVersionPage());
-            Controllers.getVersionPage().load(version, profile);
+            Controllers.getVersionPage().load(id, profile);
         });
         item.setOnUpdateButtonClicked(event -> {
             FileChooser chooser = new FileChooser();
-            chooser.setTitle(Main.i18n("modpack.choose"));
-            chooser.getExtensionFilters().add(new FileChooser.ExtensionFilter(Main.i18n("modpack"), "*.zip"));
+            chooser.setTitle(Launcher.i18n("modpack.choose"));
+            chooser.getExtensionFilters().add(new FileChooser.ExtensionFilter(Launcher.i18n("modpack"), "*.zip"));
             File selectedFile = chooser.showOpenDialog(Controllers.getStage());
             if (selectedFile != null) {
                 TaskExecutorDialogPane pane = new TaskExecutorDialogPane(null);
                 try {
-                    TaskExecutor executor = ModpackHelper.getUpdateTask(profile, selectedFile, version, ModpackHelper.readModpackConfiguration(profile.getRepository().getModpackConfiguration(version)))
+                    TaskExecutor executor = ModpackHelper.getUpdateTask(profile, selectedFile, id, ModpackHelper.readModpackConfiguration(repository.getModpackConfiguration(id)))
                             .then(Task.of(Schedulers.javafx(), Controllers::closeDialog)).executor();
                     pane.setExecutor(executor);
-                    pane.setTitle(Main.i18n("modpack.update"));
+                    pane.setTitle(Launcher.i18n("modpack.update"));
                     executor.start();
                     Controllers.dialog(pane);
                 } catch (UnsupportedModpackException e) {
-                    Controllers.dialog(Main.i18n("modpack.unsupported"), Main.i18n("message.error"), MessageBox.ERROR_MESSAGE);
+                    Controllers.dialog(Launcher.i18n("modpack.unsupported"), Launcher.i18n("message.error"), MessageBox.ERROR_MESSAGE);
                 } catch (MismatchedModpackTypeException e) {
-                    Controllers.dialog(Main.i18n("modpack.mismatched_type"), Main.i18n("message.error"), MessageBox.ERROR_MESSAGE);
+                    Controllers.dialog(Launcher.i18n("modpack.mismatched_type"), Launcher.i18n("message.error"), MessageBox.ERROR_MESSAGE);
                 } catch (IOException e)  {
-                    Controllers.dialog(Main.i18n("modpack.invalid"), Main.i18n("message.error"), MessageBox.ERROR_MESSAGE);
+                    Controllers.dialog(Launcher.i18n("modpack.invalid"), Launcher.i18n("message.error"), MessageBox.ERROR_MESSAGE);
                 }
             }
         });
         item.setOnMouseClicked(event -> {
             if (event.getButton() == MouseButton.SECONDARY) {
-                rightClickedVersion = version;
+                rightClickedVersion = id;
+                rightClickedRepository = repository;
                 versionList.getSelectionModel().select(-1);
                 versionPopup.show(item, JFXPopup.PopupVPosition.TOP, JFXPopup.PopupHPosition.LEFT, event.getX(), event.getY());
             } else if (event.getButton() == MouseButton.PRIMARY && event.getClickCount() == 2) {
                 if (Settings.INSTANCE.getSelectedAccount() == null)
-                    Controllers.dialog(Main.i18n("login.empty_username"));
+                    Controllers.dialog(Launcher.i18n("login.empty_username"));
                 else
-                    LauncherHelper.INSTANCE.launch(version, null);
+                    LauncherHelper.INSTANCE.launch(profile, Settings.INSTANCE.getSelectedAccount(), id, null);
             }
         });
-        File iconFile = profile.getRepository().getVersionIcon(version);
+        File iconFile = repository.getVersionIcon(id);
         if (iconFile.exists())
             item.setImage(new Image("file:" + iconFile.getAbsolutePath()));
         return item;
     }
 
-    public void onProfilesLoading() {
-        // TODO: Profiles
+    private void loadingVersions() {
+        contentPane.getChildren().setAll(spinner);
+        FXUtils.resetChildren(masonryPane, Collections.emptyList());
     }
 
-    public void onProfileChanged(ProfileChangedEvent event) {
-        Platform.runLater(() -> loadVersions(event.getProfile()));
-    }
-
-    private void loadVersions() {
-        loadVersions(Settings.INSTANCE.getSelectedProfile());
-    }
-
-    private void loadVersions(Profile profile) {
-        this.profile = profile;
+    private void loadVersions(HMCLGameRepository repository) {
         List<Node> children = new LinkedList<>();
-        for (Version version : profile.getRepository().getVersions()) {
-            children.add(buildNode(profile, version.getId(), GameVersion.minecraftVersion(profile.getRepository().getVersionJar(version.getId())).orElse("Unknown")));
+        for (Version version : repository.getVersions()) {
+            children.add(buildNode(repository, version, GameVersion.minecraftVersion(repository.getVersionJar(version.getId())).orElse("Unknown")));
         }
-        FXUtils.resetChildren(masonryPane, children);
+        JFXUtilities.runInFX(() -> {
+            if (profile == repository.getProfile()) {
+                contentPane.getChildren().setAll(masonryPane);
+                FXUtils.resetChildren(masonryPane, children);
+            }
+        });
     }
 
     @FXML
@@ -204,16 +214,16 @@ public final class MainPage extends StackPane implements DecoratorPage {
         versionPopup.hide();
         switch (versionList.getSelectionModel().getSelectedIndex()) {
             case 0:
-                VersionPage.renameVersion(profile, rightClickedVersion);
+                VersionPage.renameVersion(rightClickedRepository.getProfile(), rightClickedVersion);
                 break;
             case 1:
-                VersionPage.deleteVersion(profile, rightClickedVersion);
+                VersionPage.deleteVersion(rightClickedRepository.getProfile(), rightClickedVersion);
                 break;
             case 2:
-                VersionPage.exportVersion(profile, rightClickedVersion);
+                VersionPage.exportVersion(rightClickedRepository.getProfile(), rightClickedVersion);
                 break;
             case 3:
-                FXUtils.openFolder(profile.getRepository().getRunDirectory(rightClickedVersion));
+                FXUtils.openFolder(rightClickedRepository.getRunDirectory(rightClickedVersion));
                 break;
             default:
                 throw new Error();

HMCL/src/main/java/org/jackhuang/hmcl/ui/ModController.java

@@ -17,16 +17,16 @@
  */
 package org.jackhuang.hmcl.ui;
 
+import com.jfoenix.concurrency.JFXUtilities;
 import com.jfoenix.controls.JFXSpinner;
 import com.jfoenix.controls.JFXTabPane;
-import javafx.application.Platform;
 import javafx.fxml.FXML;
 import javafx.scene.control.ScrollPane;
 import javafx.scene.input.TransferMode;
 import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
 import javafx.stage.FileChooser;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.mod.ModInfo;
 import org.jackhuang.hmcl.mod.ModManager;
 import org.jackhuang.hmcl.task.Schedulers;
@@ -93,7 +93,7 @@ public final class ModController {
         this.versionId = versionId;
         Task.of(variables -> {
             synchronized (ModController.this) {
-                Platform.runLater(() -> {
+                JFXUtilities.runInFX(() -> {
                     rootPane.getChildren().remove(contentPane);
                     spinner.setVisible(true);
                 });
@@ -121,25 +121,24 @@ public final class ModController {
                     list.add(item);
                 }
 
-                Platform.runLater(() -> {
-                    rootPane.getChildren().add(contentPane);
-                    spinner.setVisible(false);
-                });
                 variables.set("list", list);
             }
-        }).finalized(Schedulers.javafx(), variables -> {
-            FXUtils.onWeakChangeAndOperate(parentTab.getSelectionModel().selectedItemProperty(), newValue -> {
-                if (newValue != null && newValue.getUserData() == ModController.this)
-                    modPane.getChildren().setAll(variables.<List<ModItem>>get("list"));
-            });
-        }, null).start();
+        }).finalized(Schedulers.javafx(), (variables, isDependentsSucceeded) -> {
+            rootPane.getChildren().add(contentPane);
+            spinner.setVisible(false);
+            if (isDependentsSucceeded)
+                FXUtils.onWeakChangeAndOperate(parentTab.getSelectionModel().selectedItemProperty(), newValue -> {
+                    if (newValue != null && newValue.getUserData() == ModController.this)
+                        modPane.getChildren().setAll(variables.<List<ModItem>>get("list"));
+                });
+        }).start();
     }
 
     @FXML
     private void onAdd() {
         FileChooser chooser = new FileChooser();
-        chooser.setTitle(Main.i18n("mods.choose_mod"));
-        chooser.getExtensionFilters().setAll(new FileChooser.ExtensionFilter(Main.i18n("extension.mod"), "*.jar", "*.zip", "*.litemod"));
+        chooser.setTitle(Launcher.i18n("mods.choose_mod"));
+        chooser.getExtensionFilters().setAll(new FileChooser.ExtensionFilter(Launcher.i18n("extension.mod"), "*.jar", "*.zip", "*.litemod"));
         List<File> res = chooser.showOpenMultipleDialog(Controllers.getStage());
 
         // It's guaranteed that succeeded and failed are thread safe here.
@@ -161,10 +160,10 @@ public final class ModController {
         }).with(Task.of(Schedulers.javafx(), variables -> {
             List<String> prompt = new LinkedList<>();
             if (!succeeded.isEmpty())
-                prompt.add(Main.i18n("mods.add.success", String.join(", ", succeeded)));
+                prompt.add(Launcher.i18n("mods.add.success", String.join(", ", succeeded)));
             if (!failed.isEmpty())
-                prompt.add(Main.i18n("mods.add.failed", String.join(", ", failed)));
-            Controllers.dialog(String.join("\n", prompt), Main.i18n("mods.add"));
+                prompt.add(Launcher.i18n("mods.add.failed", String.join(", ", failed)));
+            Controllers.dialog(String.join("\n", prompt), Launcher.i18n("mods.add"));
             loadMods(modManager, versionId);
         })).start();
     }

HMCL/src/main/java/org/jackhuang/hmcl/ui/ModItem.java

@@ -22,7 +22,7 @@ import com.jfoenix.controls.JFXCheckBox;
 import com.jfoenix.effects.JFXDepthManager;
 import javafx.geometry.Pos;
 import javafx.scene.layout.BorderPane;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.mod.ModInfo;
 import org.jackhuang.hmcl.setting.Theme;
 
@@ -40,7 +40,7 @@ public final class ModItem extends BorderPane {
         setCenter(modItem);
 
         JFXButton btnRemove = new JFXButton();
-        FXUtils.installTooltip(btnRemove, Main.i18n("mods.remove"));
+        FXUtils.installTooltip(btnRemove, Launcher.i18n("mods.remove"));
         btnRemove.setOnMouseClicked(e -> deleteCallback.accept(this));
         btnRemove.getStyleClass().add("toggle-icon4");
         BorderPane.setAlignment(btnRemove, Pos.CENTER);
@@ -50,7 +50,7 @@ public final class ModItem extends BorderPane {
         setStyle("-fx-background-radius: 2; -fx-background-color: white; -fx-padding: 8;");
         JFXDepthManager.setDepth(this, 1);
         modItem.setTitle(info.getFileName());
-        modItem.setSubtitle(info.getName() + ", " + Main.i18n("archive.version") + ": " + info.getVersion() + ", " + Main.i18n("archive.game_version") + ": " + info.getGameVersion() + ", " + Main.i18n("archive.author") + ": " + info.getAuthors());
+        modItem.setSubtitle(info.getName() + ", " + Launcher.i18n("archive.version") + ": " + info.getVersion() + ", " + Launcher.i18n("archive.game_version") + ": " + info.getGameVersion() + ", " + Launcher.i18n("archive.author") + ": " + info.getAuthors());
         chkEnabled.setSelected(info.isActive());
         chkEnabled.selectedProperty().addListener((a, b, newValue) ->
                 info.activeProperty().set(newValue));

HMCL/src/main/java/org/jackhuang/hmcl/ui/ProfilePage.java

@@ -23,7 +23,7 @@ import javafx.beans.property.SimpleStringProperty;
 import javafx.beans.property.StringProperty;
 import javafx.fxml.FXML;
 import javafx.scene.layout.StackPane;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.Profiles;
 import org.jackhuang.hmcl.setting.Settings;
@@ -51,15 +51,16 @@ public final class ProfilePage extends StackPane implements DecoratorPage {
      */
     public ProfilePage(Profile profile) {
         this.profile = profile;
+        String profileDisplayName = Optional.ofNullable(profile).map(Profiles::getProfileDisplayName).orElse("");
 
         title = new SimpleStringProperty(this, "title",
-                profile == null ? Main.i18n("profile.new") : Main.i18n("profile") + " - " + profile.getName());
+                profile == null ? Launcher.i18n("profile.new") : Launcher.i18n("profile") + " - " + profileDisplayName);
         location = new SimpleStringProperty(this, "location",
                 Optional.ofNullable(profile).map(Profile::getGameDir).map(File::getAbsolutePath).orElse(""));
 
         FXUtils.loadFXML(this, "/assets/fxml/profile.fxml");
 
-        txtProfileName.setText(Optional.ofNullable(profile).map(Profiles::getProfileDisplayName).orElse(""));
+        txtProfileName.setText(profileDisplayName);
         FXUtils.onChangeAndOperate(txtProfileName.textProperty(), it -> {
             btnSave.setDisable(!txtProfileName.validate() || StringUtils.isBlank(getLocation()));
         });

HMCL/src/main/java/org/jackhuang/hmcl/ui/SettingsPage.java

@@ -34,9 +34,12 @@ import javafx.scene.layout.Pane;
 import javafx.scene.layout.StackPane;
 import javafx.scene.paint.Color;
 import javafx.scene.text.Font;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.setting.*;
-import org.jackhuang.hmcl.ui.construct.*;
+import org.jackhuang.hmcl.ui.construct.FileItem;
+import org.jackhuang.hmcl.ui.construct.FontComboBox;
+import org.jackhuang.hmcl.ui.construct.MultiFileItem;
+import org.jackhuang.hmcl.ui.construct.Validator;
 import org.jackhuang.hmcl.ui.wizard.DecoratorPage;
 import org.jackhuang.hmcl.util.Lang;
 
@@ -46,7 +49,7 @@ import java.util.Collections;
 import java.util.stream.Collectors;
 
 public final class SettingsPage extends StackPane implements DecoratorPage {
-    private final StringProperty title = new SimpleStringProperty(this, "title", Main.i18n("settings.launcher"));
+    private final StringProperty title = new SimpleStringProperty(this, "title", Launcher.i18n("settings.launcher"));
 
     @FXML
     private JFXTextField txtProxyHost;
@@ -174,12 +177,12 @@ public final class SettingsPage extends StackPane implements DecoratorPage {
 
         fileCommonLocation.setProperty(Settings.INSTANCE.commonPathProperty());
 
-        FXUtils.installTooltip(btnUpdate, Main.i18n("update.tooltip"));
+        FXUtils.installTooltip(btnUpdate, Launcher.i18n("update.tooltip"));
         checkUpdate();
 
         // background
         backgroundItem.loadChildren(Collections.singletonList(
-                backgroundItem.createChildren(Main.i18n("launcher.background.default"), EnumBackgroundImage.DEFAULT)
+                backgroundItem.createChildren(Launcher.i18n("launcher.background.default"), EnumBackgroundImage.DEFAULT)
         ));
 
         FXUtils.bindString(backgroundItem.getTxtCustom(), Settings.INSTANCE.backgroundImageProperty());
@@ -196,8 +199,8 @@ public final class SettingsPage extends StackPane implements DecoratorPage {
 
         // theme
         JFXColorPicker picker = new JFXColorPicker(Color.web(Settings.INSTANCE.getTheme().getColor()), null);
-        picker.setCustomColorText(Main.i18n("color.custom"));
-        picker.setRecentColorsText(Main.i18n("color.recent"));
+        picker.setCustomColorText(Launcher.i18n("color.custom"));
+        picker.setRecentColorsText(Launcher.i18n("color.recent"));
         picker.getCustomColors().setAll(Arrays.stream(Theme.VALUES).map(Theme::getColor).map(Color::web).collect(Collectors.toList()));
         picker.setOnAction(e -> {
             Theme theme = Theme.custom(Theme.getColorDisplayName(picker.getValue()));
@@ -211,7 +214,7 @@ public final class SettingsPage extends StackPane implements DecoratorPage {
     private void initBackgroundItemSubtitle() {
         switch (Settings.INSTANCE.getBackgroundImageType()) {
             case DEFAULT:
-                backgroundItem.setSubtitle(Main.i18n("launcher.background.default"));
+                backgroundItem.setSubtitle(Launcher.i18n("launcher.background.default"));
                 break;
             case CUSTOM:
                 backgroundItem.setSubtitle(Settings.INSTANCE.getBackgroundImage());
@@ -233,25 +236,25 @@ public final class SettingsPage extends StackPane implements DecoratorPage {
     }
 
     public void checkUpdate() {
-        btnUpdate.setVisible(Main.UPDATE_CHECKER.isOutOfDate());
+        btnUpdate.setVisible(Launcher.UPDATE_CHECKER.isOutOfDate());
 
-        if (Main.UPDATE_CHECKER.isOutOfDate()) {
-            lblUpdateSub.setText(Main.i18n("update.newest_version", Main.UPDATE_CHECKER.getNewVersion().toString()));
+        if (Launcher.UPDATE_CHECKER.isOutOfDate()) {
+            lblUpdateSub.setText(Launcher.i18n("update.newest_version", Launcher.UPDATE_CHECKER.getNewVersion().toString()));
             lblUpdateSub.getStyleClass().setAll("update-label");
 
-            lblUpdate.setText(Main.i18n("update.found"));
+            lblUpdate.setText(Launcher.i18n("update.found"));
             lblUpdate.getStyleClass().setAll("update-label");
         } else {
-            lblUpdateSub.setText(Main.i18n("update.latest"));
+            lblUpdateSub.setText(Launcher.i18n("update.latest"));
             lblUpdateSub.getStyleClass().setAll("subtitle-label");
 
-            lblUpdate.setText(Main.i18n("update"));
+            lblUpdate.setText(Launcher.i18n("update"));
             lblUpdate.getStyleClass().setAll();
         }
     }
 
     @FXML
     private void onUpdate() {
-        Main.UPDATE_CHECKER.checkOutdate();
+        Launcher.UPDATE_CHECKER.checkOutdate();
     }
 }

HMCL/src/main/java/org/jackhuang/hmcl/ui/VersionItem.java

@@ -32,7 +32,7 @@ import javafx.scene.layout.Pane;
 import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
 import javafx.scene.paint.Color;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.setting.Theme;
 
 import java.util.Optional;
@@ -73,10 +73,10 @@ public final class VersionItem extends StackPane {
         btnLaunch.setGraphic(SVG.launch(Theme.blackFillBinding(), 15, 15));
         btnScript.setGraphic(SVG.script(Theme.blackFillBinding(), 15, 15));
 
-        FXUtils.installTooltip(btnSettings, Main.i18n("version.settings"));
-        FXUtils.installTooltip(btnUpdate, Main.i18n("version.update"));
-        FXUtils.installTooltip(btnLaunch, Main.i18n("version.launch"));
-        FXUtils.installTooltip(btnScript, Main.i18n("version.launch_script"));
+        FXUtils.installTooltip(btnSettings, Launcher.i18n("version.settings"));
+        FXUtils.installTooltip(btnUpdate, Launcher.i18n("version.update"));
+        FXUtils.installTooltip(btnLaunch, Launcher.i18n("version.launch"));
+        FXUtils.installTooltip(btnScript, Launcher.i18n("version.launch_script"));
 
         icon.translateYProperty().bind(Bindings.createDoubleBinding(() -> header.getBoundsInParent().getHeight() - icon.getHeight() / 2 - 16, header.boundsInParentProperty(), icon.heightProperty()));
         FXUtils.limitSize(iconView, 32, 32);

HMCL/src/main/java/org/jackhuang/hmcl/ui/VersionPage.java

@@ -26,7 +26,7 @@ import javafx.beans.property.StringProperty;
 import javafx.fxml.FXML;
 import javafx.scene.control.Tab;
 import javafx.scene.layout.StackPane;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.download.game.GameAssetIndexDownloadTask;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.ui.export.ExportWizardProvider;
@@ -79,17 +79,17 @@ public final class VersionPage extends StackPane implements DecoratorPage {
         browsePopup = new JFXPopup(browseList);
         managementPopup = new JFXPopup(managementList);
 
-        FXUtils.installTooltip(btnDelete, Main.i18n("version.manage.remove"));
-        FXUtils.installTooltip(btnBrowseMenu, Main.i18n("settings.game.exploration"));
-        FXUtils.installTooltip(btnManagementMenu, Main.i18n("settings.game.management"));
-        FXUtils.installTooltip(btnExport, Main.i18n("modpack.export"));
+        FXUtils.installTooltip(btnDelete, Launcher.i18n("version.manage.remove"));
+        FXUtils.installTooltip(btnBrowseMenu, Launcher.i18n("settings.game.exploration"));
+        FXUtils.installTooltip(btnManagementMenu, Launcher.i18n("settings.game.management"));
+        FXUtils.installTooltip(btnExport, Launcher.i18n("modpack.export"));
     }
 
     public void load(String id, Profile profile) {
         this.version = id;
         this.profile = profile;
 
-        title.set(Main.i18n("settings.game") + " - " + id);
+        title.set(Launcher.i18n("settings.game") + " - " + id);
 
         versionSettingsController.loadVersionSetting(profile, id);
         modController.setParentTab(tabPane);
@@ -185,7 +185,7 @@ public final class VersionPage extends StackPane implements DecoratorPage {
     }
 
     public static void deleteVersion(Profile profile, String version) {
-        Controllers.confirmDialog(Main.i18n("version.manage.remove.confirm", version), Main.i18n("message.confirm"), () -> {
+        Controllers.confirmDialog(Launcher.i18n("version.manage.remove.confirm", version), Launcher.i18n("message.confirm"), () -> {
             if (profile.getRepository().removeVersionFromDisk(version)) {
                 profile.getRepository().refreshVersionsAsync().start();
                 Controllers.navigate(null);
@@ -194,7 +194,7 @@ public final class VersionPage extends StackPane implements DecoratorPage {
     }
 
     public static void renameVersion(Profile profile, String version) {
-        Controllers.inputDialog(Main.i18n("version.manage.rename.message"), res -> {
+        Controllers.inputDialog(Launcher.i18n("version.manage.rename.message"), res -> {
             if (profile.getRepository().renameVersion(version, res)) {
                 profile.getRepository().refreshVersionsAsync().start();
                 Controllers.navigate(null);
@@ -203,6 +203,6 @@ public final class VersionPage extends StackPane implements DecoratorPage {
     }
 
     public static void exportVersion(Profile profile, String version) {
-        Controllers.getDecorator().startWizard(new ExportWizardProvider(profile, version), Main.i18n("modpack.wizard"));
+        Controllers.getDecorator().startWizard(new ExportWizardProvider(profile, version), Launcher.i18n("modpack.wizard"));
     }
 }

HMCL/src/main/java/org/jackhuang/hmcl/ui/VersionSettingsController.java

@@ -17,7 +17,10 @@
  */
 package org.jackhuang.hmcl.ui;
 
-import com.jfoenix.controls.*;
+import com.jfoenix.controls.JFXCheckBox;
+import com.jfoenix.controls.JFXComboBox;
+import com.jfoenix.controls.JFXTextField;
+import com.jfoenix.controls.JFXToggleButton;
 import javafx.application.Platform;
 import javafx.fxml.FXML;
 import javafx.scene.Node;
@@ -27,7 +30,7 @@ import javafx.scene.control.Toggle;
 import javafx.scene.image.Image;
 import javafx.scene.layout.VBox;
 import javafx.stage.FileChooser;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.setting.EnumGameDirectory;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.VersionSetting;
@@ -77,7 +80,7 @@ public final class VersionSettingsController {
 
     @FXML
     private void initialize() {
-        lblPhysicalMemory.setText(Main.i18n("settings.physical_memory") + ": " + OperatingSystem.TOTAL_MEMORY + "MB");
+        lblPhysicalMemory.setText(Launcher.i18n("settings.physical_memory") + ": " + OperatingSystem.TOTAL_MEMORY + "MB");
 
         FXUtils.smoothScrolling(scroll);
 
@@ -91,13 +94,13 @@ public final class VersionSettingsController {
             javaItem.getExtensionFilters().add(new FileChooser.ExtensionFilter("Java", "java.exe", "javaw.exe"));
 
         gameDirItem.loadChildren(Arrays.asList(
-                gameDirItem.createChildren(Main.i18n("settings.advanced.game_dir.default"), EnumGameDirectory.ROOT_FOLDER),
-                gameDirItem.createChildren(Main.i18n("settings.advanced.game_dir.independent"), EnumGameDirectory.VERSION_FOLDER)
+                gameDirItem.createChildren(Launcher.i18n("settings.advanced.game_dir.default"), EnumGameDirectory.ROOT_FOLDER),
+                gameDirItem.createChildren(Launcher.i18n("settings.advanced.game_dir.independent"), EnumGameDirectory.VERSION_FOLDER)
         ));
 
         globalItem.loadChildren(Arrays.asList(
-                globalItem.createChildren(Main.i18n("settings.type.global"), true),
-                globalItem.createChildren(Main.i18n("settings.type.special"), false)
+                globalItem.createChildren(Launcher.i18n("settings.type.global"), true),
+                globalItem.createChildren(Launcher.i18n("settings.type.special"), false)
         ));
     }
 
@@ -189,7 +192,7 @@ public final class VersionSettingsController {
         });
 
         versionSetting.usesGlobalProperty().setChangedListenerAndOperate(it ->
-                globalItem.setSubtitle(Main.i18n(versionSetting.isUsesGlobal() ? "settings.type.global" : "settings.type.special")));
+                globalItem.setSubtitle(Launcher.i18n(versionSetting.isUsesGlobal() ? "settings.type.global" : "settings.type.special")));
 
         gameDirItem.getGroup().getToggles().stream()
                 .filter(it -> it.getUserData() == versionSetting.getGameDirType())
@@ -229,7 +232,7 @@ public final class VersionSettingsController {
     @FXML
     private void onExploreIcon() {
         FileChooser chooser = new FileChooser();
-        chooser.getExtensionFilters().add(new FileChooser.ExtensionFilter(Main.i18n("extension.png"), "*.png"));
+        chooser.getExtensionFilters().add(new FileChooser.ExtensionFilter(Launcher.i18n("extension.png"), "*.png"));
         File selectedFile = chooser.showOpenDialog(Controllers.getStage());
         if (selectedFile != null) {
             File iconFile = profile.getRepository().getVersionIcon(versionId);

HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/FileItem.java

@@ -26,7 +26,7 @@ import javafx.scene.control.Tooltip;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.VBox;
 import javafx.stage.DirectoryChooser;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.setting.Theme;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.FXUtils;
@@ -54,7 +54,7 @@ public class FileItem extends BorderPane {
         right.setGraphic(SVG.pencil(Theme.blackFillBinding(), 15, 15));
         right.getStyleClass().add("toggle-icon4");
         right.setOnMouseClicked(e -> onExplore());
-        FXUtils.installTooltip(right, Main.i18n("button.edit"));
+        FXUtils.installTooltip(right, Launcher.i18n("button.edit"));
         setRight(right);
 
         Tooltip tip = new Tooltip();

HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/ImagePickerItem.java

@@ -15,7 +15,7 @@ import javafx.scene.input.MouseEvent;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.setting.Theme;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.SVG;
@@ -41,7 +41,7 @@ public final class ImagePickerItem extends BorderPane {
         selectButton.onMouseClickedProperty().bind(onSelectButtonClicked);
         selectButton.getStyleClass().add("toggle-icon4");
 
-        FXUtils.installTooltip(selectButton, Main.i18n("button.edit"));
+        FXUtils.installTooltip(selectButton, Launcher.i18n("button.edit"));
 
         HBox hBox = new HBox();
         hBox.getChildren().setAll(imageView, selectButton);

HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MessageBox.java

@@ -20,7 +20,7 @@ package org.jackhuang.hmcl.ui.construct;
 import javafx.scene.control.Alert;
 import javafx.scene.control.ButtonType;
 import javafx.scene.control.TextInputDialog;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 
 import javax.swing.*;
 import java.util.Optional;
@@ -29,7 +29,7 @@ public final class MessageBox {
     private MessageBox() {
     }
 
-    private static final String TITLE = Main.i18n("message.info");
+    private static final String TITLE = Launcher.i18n("message.info");
 
     /**
      * User Operation: Yes

HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MessageDialogPane.java

@@ -23,7 +23,7 @@ import javafx.fxml.FXML;
 import javafx.scene.control.Label;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.StackPane;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.setting.Theme;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.SVG;
@@ -92,8 +92,8 @@ public final class MessageDialogPane extends StackPane {
             Optional.ofNullable(onCancel).ifPresent(Runnable::run);
         });
 
-        acceptButton.setText(Main.i18n("button.yes"));
-        cancelButton.setText(Main.i18n("button.no"));
+        acceptButton.setText(Launcher.i18n("button.yes"));
+        cancelButton.setText(Launcher.i18n("button.no"));
 
         actions.getChildren().add(cancelButton);
     }

HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MultiColorItem.java

@@ -5,17 +5,15 @@ import com.jfoenix.controls.JFXRadioButton;
 import javafx.beans.NamedArg;
 import javafx.beans.property.SimpleStringProperty;
 import javafx.beans.property.StringProperty;
-import javafx.geometry.Pos;
 import javafx.scene.Node;
 import javafx.scene.control.Label;
 import javafx.scene.control.Toggle;
 import javafx.scene.control.ToggleGroup;
-import javafx.scene.control.Tooltip;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
 import javafx.scene.paint.Color;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.ui.FXUtils;
 
 import java.util.Collection;
@@ -23,8 +21,8 @@ import java.util.Optional;
 import java.util.function.Consumer;
 
 public class MultiColorItem extends ComponentList {
-    private final StringProperty customTitle = new SimpleStringProperty(this, "customTitle", Main.i18n("selector.custom"));
-    private final StringProperty chooserTitle = new SimpleStringProperty(this, "chooserTitle", Main.i18n("selector.choose_file"));
+    private final StringProperty customTitle = new SimpleStringProperty(this, "customTitle", Launcher.i18n("selector.custom"));
+    private final StringProperty chooserTitle = new SimpleStringProperty(this, "chooserTitle", Launcher.i18n("selector.choose_file"));
 
     private final ToggleGroup group = new ToggleGroup();
     private final JFXColorPicker colorPicker = new JFXColorPicker();

HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MultiFileItem.java

@@ -38,7 +38,7 @@ import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
 import javafx.stage.DirectoryChooser;
 import javafx.stage.FileChooser;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.setting.Theme;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.FXUtils;
@@ -49,8 +49,8 @@ import java.util.Collection;
 import java.util.function.Consumer;
 
 public class MultiFileItem extends ComponentList {
-    private final StringProperty customTitle = new SimpleStringProperty(this, "customTitle", Main.i18n("selector.custom"));
-    private final StringProperty chooserTitle = new SimpleStringProperty(this, "chooserTitle", Main.i18n("selector.choose_file"));
+    private final StringProperty customTitle = new SimpleStringProperty(this, "customTitle", Launcher.i18n("selector.custom"));
+    private final StringProperty chooserTitle = new SimpleStringProperty(this, "chooserTitle", Launcher.i18n("selector.choose_file"));
     private final BooleanProperty directory = new SimpleBooleanProperty(this, "directory", false);
     private final SimpleStringProperty tooltip = new SimpleStringProperty(this, "tooltip");
     private final ObservableList<FileChooser.ExtensionFilter> extensionFilters = FXCollections.observableArrayList();
@@ -153,7 +153,7 @@ public class MultiFileItem extends ComponentList {
 
     public void onExploreJavaDir() {
         DirectoryChooser chooser = new DirectoryChooser();
-        chooser.setTitle(Main.i18n(getChooserTitle()));
+        chooser.setTitle(Launcher.i18n(getChooserTitle()));
         File selectedDir = chooser.showDialog(Controllers.getStage());
         if (selectedDir != null)
             txtCustom.setText(selectedDir.getAbsolutePath());

HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/TaskExecutorDialogWizardDisplayer.java

@@ -19,7 +19,7 @@ package org.jackhuang.hmcl.ui.construct;
 
 import com.jfoenix.concurrency.JFXUtilities;
 import javafx.beans.property.StringProperty;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.task.TaskExecutor;
 import org.jackhuang.hmcl.task.TaskListener;
@@ -38,7 +38,7 @@ public interface TaskExecutorDialogWizardDisplayer extends AbstractWizardDisplay
             Controllers.navigate(null);
         });
 
-        pane.setTitle(Main.i18n("message.doing"));
+        pane.setTitle(Launcher.i18n("message.doing"));
         pane.setProgress(Double.MAX_VALUE);
         if (settings.containsKey("title")) {
             Object title = settings.get("title");
@@ -64,7 +64,7 @@ public interface TaskExecutorDialogWizardDisplayer extends AbstractWizardDisplay
                         if (settings.containsKey("success_message") && settings.get("success_message") instanceof String)
                             JFXUtilities.runInFX(() -> Controllers.dialog((String) settings.get("success_message"), null, MessageBox.FINE_MESSAGE, () -> Controllers.navigate(null)));
                         else if (!settings.containsKey("forbid_success_message"))
-                            JFXUtilities.runInFX(() -> Controllers.dialog(Main.i18n("message.success"), null, MessageBox.FINE_MESSAGE, () -> Controllers.navigate(null)));
+                            JFXUtilities.runInFX(() -> Controllers.dialog(Launcher.i18n("message.success"), null, MessageBox.FINE_MESSAGE, () -> Controllers.navigate(null)));
                     } else {
                         if (executor.getLastException() == null)
                             return;
@@ -72,7 +72,7 @@ public interface TaskExecutorDialogWizardDisplayer extends AbstractWizardDisplay
                         if (settings.containsKey("failure_message") && settings.get("failure_message") instanceof String)
                             JFXUtilities.runInFX(() -> Controllers.dialog(appendix, (String) settings.get("failure_message"), MessageBox.ERROR_MESSAGE, () -> Controllers.navigate(null)));
                         else if (!settings.containsKey("forbid_failure_message"))
-                            JFXUtilities.runInFX(() -> Controllers.dialog(appendix, Main.i18n("wizard.failed"), MessageBox.ERROR_MESSAGE, () -> Controllers.navigate(null)));
+                            JFXUtilities.runInFX(() -> Controllers.dialog(appendix, Launcher.i18n("wizard.failed"), MessageBox.ERROR_MESSAGE, () -> Controllers.navigate(null)));
                     }
                 }
             });

HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/TaskListPane.java

@@ -23,7 +23,7 @@ import javafx.scene.control.Label;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.download.forge.ForgeInstallTask;
 import org.jackhuang.hmcl.download.game.GameAssetDownloadTask;
 import org.jackhuang.hmcl.download.game.GameAssetRefreshTask;
@@ -31,10 +31,7 @@ import org.jackhuang.hmcl.download.liteloader.LiteLoaderInstallTask;
 import org.jackhuang.hmcl.download.optifine.OptiFineInstallTask;
 import org.jackhuang.hmcl.game.HMCLModpackExportTask;
 import org.jackhuang.hmcl.game.HMCLModpackInstallTask;
-import org.jackhuang.hmcl.mod.CurseCompletionTask;
-import org.jackhuang.hmcl.mod.CurseInstallTask;
-import org.jackhuang.hmcl.mod.MinecraftInstanceTask;
-import org.jackhuang.hmcl.mod.MultiMCModpackInstallTask;
+import org.jackhuang.hmcl.mod.*;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.task.TaskExecutor;
 import org.jackhuang.hmcl.task.TaskListener;
@@ -60,32 +57,34 @@ public final class TaskListPane extends StackPane {
             }
 
             @Override
-            public void onReady(Task task) {
+            public void onRunning(Task task) {
                 if (!task.getSignificance().shouldShow())
                     return;
 
                 if (task instanceof GameAssetRefreshTask) {
-                    task.setName(Main.i18n("assets.download"));
+                    task.setName(Launcher.i18n("assets.download"));
                 } else if (task instanceof GameAssetDownloadTask) {
-                    task.setName(Main.i18n("assets.download_all"));
+                    task.setName(Launcher.i18n("assets.download_all"));
                 } else if (task instanceof ForgeInstallTask) {
-                    task.setName(Main.i18n("install.installer.install", Main.i18n("install.installer.forge")));
+                    task.setName(Launcher.i18n("install.installer.install", Launcher.i18n("install.installer.forge")));
                 } else if (task instanceof LiteLoaderInstallTask) {
-                    task.setName(Main.i18n("install.installer.install", Main.i18n("install.installer.liteloader")));
+                    task.setName(Launcher.i18n("install.installer.install", Launcher.i18n("install.installer.liteloader")));
                 } else if (task instanceof OptiFineInstallTask) {
-                    task.setName(Main.i18n("install.installer.install", Main.i18n("install.installer.optifine")));
+                    task.setName(Launcher.i18n("install.installer.install", Launcher.i18n("install.installer.optifine")));
                 } else if (task instanceof CurseCompletionTask) {
-                    task.setName(Main.i18n("modpack.type.curse.completion"));
+                    task.setName(Launcher.i18n("modpack.type.curse.completion"));
+                } else if (task instanceof ModpackInstallTask) {
+                    task.setName(Launcher.i18n("modpack.installing"));
                 } else if (task instanceof CurseInstallTask) {
-                    task.setName(Main.i18n("modpack.install", Main.i18n("modpack.type.curse")));
+                    task.setName(Launcher.i18n("modpack.install", Launcher.i18n("modpack.type.curse")));
                 } else if (task instanceof MultiMCModpackInstallTask) {
-                    task.setName(Main.i18n("modpack.install", Main.i18n("modpack.type.multimc")));
+                    task.setName(Launcher.i18n("modpack.install", Launcher.i18n("modpack.type.multimc")));
                 } else if (task instanceof HMCLModpackInstallTask) {
-                    task.setName(Main.i18n("modpack.install", Main.i18n("modpack.type.hmcl")));
+                    task.setName(Launcher.i18n("modpack.install", Launcher.i18n("modpack.type.hmcl")));
                 } else if (task instanceof HMCLModpackExportTask) {
-                    task.setName(Main.i18n("modpack.export"));
+                    task.setName(Launcher.i18n("modpack.export"));
                 } else if (task instanceof MinecraftInstanceTask) {
-                    task.setName(Main.i18n("modpack.scan"));
+                    task.setName(Launcher.i18n("modpack.scan"));
                 }
 
                 ProgressListNode node = new ProgressListNode(task);

HMCL/src/main/java/org/jackhuang/hmcl/ui/download/AdditionalInstallersPage.java

@@ -22,8 +22,9 @@ import javafx.fxml.FXML;
 import javafx.scene.control.Label;
 import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.download.DownloadProvider;
+import org.jackhuang.hmcl.download.RemoteVersion;
 import org.jackhuang.hmcl.game.GameRepository;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.wizard.WizardController;
@@ -31,8 +32,9 @@ import org.jackhuang.hmcl.ui.wizard.WizardPage;
 import org.jackhuang.hmcl.util.Lang;
 
 import java.util.Map;
+import java.util.Optional;
 
-import static org.jackhuang.hmcl.Main.i18n;
+import static org.jackhuang.hmcl.Launcher.i18n;
 
 class AdditionalInstallersPage extends StackPane implements WizardPage {
     private final InstallerWizardProvider provider;
@@ -98,29 +100,33 @@ class AdditionalInstallersPage extends StackPane implements WizardPage {
 
     @Override
     public String getTitle() {
-        return Main.i18n("settings.tabs.installers");
+        return Launcher.i18n("settings.tabs.installers");
+    }
+
+    private String getVersion(String id) {
+        return Optional.ofNullable(controller.getSettings().get(id)).map(it -> (RemoteVersion<?>) it).map(RemoteVersion::getSelfVersion).orElse(null);
     }
 
     @Override
     public void onNavigate(Map<String, Object> settings) {
-        lblGameVersion.setText(Main.i18n("install.new_game.current_game_version") + ": " + provider.getGameVersion());
+        lblGameVersion.setText(Launcher.i18n("install.new_game.current_game_version") + ": " + provider.getGameVersion());
         btnForge.setDisable(provider.getForge() != null);
         if (provider.getForge() != null || controller.getSettings().containsKey("forge"))
-            lblForge.setText(Main.i18n("install.installer.version", Main.i18n("install.installer.forge")) + ": " + Lang.nonNull(provider.getForge(), controller.getSettings().get("forge")));
+            lblForge.setText(Launcher.i18n("install.installer.version", Launcher.i18n("install.installer.forge")) + ": " + Lang.nonNull(provider.getForge(), getVersion("forge")));
         else
-            lblForge.setText(Main.i18n("install.installer.not_installed", Main.i18n("install.installer.forge")));
+            lblForge.setText(Launcher.i18n("install.installer.not_installed", Launcher.i18n("install.installer.forge")));
 
         btnLiteLoader.setDisable(provider.getLiteLoader() != null);
         if (provider.getLiteLoader() != null || controller.getSettings().containsKey("liteloader"))
-            lblLiteLoader.setText(Main.i18n("install.installer.version", Main.i18n("install.installer.liteloader")) + ": " + Lang.nonNull(provider.getLiteLoader(), controller.getSettings().get("liteloader")));
+            lblLiteLoader.setText(Launcher.i18n("install.installer.version", Launcher.i18n("install.installer.liteloader")) + ": " + Lang.nonNull(provider.getLiteLoader(), getVersion("liteloader")));
         else
-            lblLiteLoader.setText(Main.i18n("install.installer.not_installed", Main.i18n("install.installer.liteloader")));
+            lblLiteLoader.setText(Launcher.i18n("install.installer.not_installed", Launcher.i18n("install.installer.liteloader")));
 
         btnOptiFine.setDisable(provider.getOptiFine() != null);
         if (provider.getOptiFine() != null || controller.getSettings().containsKey("optifine"))
-            lblOptiFine.setText(Main.i18n("install.installer.version", Main.i18n("install.installer.optifine")) + ": " + Lang.nonNull(provider.getOptiFine(), controller.getSettings().get("optifine")));
+            lblOptiFine.setText(Launcher.i18n("install.installer.version", Launcher.i18n("install.installer.optifine")) + ": " + Lang.nonNull(provider.getOptiFine(), getVersion("optifine")));
         else
-            lblOptiFine.setText(Main.i18n("install.installer.not_installed", Main.i18n("install.installer.optifine")));
+            lblOptiFine.setText(Launcher.i18n("install.installer.not_installed", Launcher.i18n("install.installer.optifine")));
 
     }
 

HMCL/src/main/java/org/jackhuang/hmcl/ui/download/DownloadWizardProvider.java

@@ -18,9 +18,10 @@
 package org.jackhuang.hmcl.ui.download;
 
 import javafx.scene.Node;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.download.DownloadProvider;
 import org.jackhuang.hmcl.download.GameBuilder;
+import org.jackhuang.hmcl.download.RemoteVersion;
 import org.jackhuang.hmcl.game.ModpackHelper;
 import org.jackhuang.hmcl.mod.Modpack;
 import org.jackhuang.hmcl.setting.Profile;
@@ -33,7 +34,7 @@ import org.jackhuang.hmcl.util.Lang;
 import java.io.File;
 import java.util.Map;
 
-import static org.jackhuang.hmcl.Main.i18n;
+import static org.jackhuang.hmcl.Launcher.i18n;
 
 public final class DownloadWizardProvider implements WizardProvider {
     private Profile profile;
@@ -48,16 +49,16 @@ public final class DownloadWizardProvider implements WizardProvider {
         GameBuilder builder = profile.getDependency().gameBuilder();
 
         builder.name((String) settings.get("name"));
-        builder.gameVersion((String) settings.get("game"));
+        builder.gameVersion(((RemoteVersion<?>) settings.get("game")).getGameVersion());
 
         if (settings.containsKey("forge"))
-            builder.version("forge", (String) settings.get("forge"));
+            builder.version((RemoteVersion<?>) settings.get("forge"));
 
         if (settings.containsKey("liteloader"))
-            builder.version("liteloader", (String) settings.get("liteloader"));
+            builder.version((RemoteVersion<?>) settings.get("liteloader"));
 
         if (settings.containsKey("optifine"))
-            builder.version("optifine", (String) settings.get("optifine"));
+            builder.version((RemoteVersion<?>) settings.get("optifine"));
 
         return builder.buildAsync().finalized((a, b) -> profile.getRepository().refreshVersions());
     }
@@ -76,8 +77,8 @@ public final class DownloadWizardProvider implements WizardProvider {
 
     @Override
     public Object finish(Map<String, Object> settings) {
-        settings.put("success_message", Main.i18n("install.success"));
-        settings.put("failure_message", Main.i18n("install.failed"));
+        settings.put("success_message", Launcher.i18n("install.success"));
+        settings.put("failure_message", Launcher.i18n("install.failed"));
 
         switch (Lang.parseInt(settings.get(InstallTypePage.INSTALL_TYPE), -1)) {
             case 0: return finishVersionDownloadingAsync(settings);

HMCL/src/main/java/org/jackhuang/hmcl/ui/download/InstallTypePage.java

@@ -20,7 +20,7 @@ package org.jackhuang.hmcl.ui.download;
 import com.jfoenix.controls.JFXListView;
 import javafx.fxml.FXML;
 import javafx.scene.layout.StackPane;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.wizard.WizardController;
 import org.jackhuang.hmcl.ui.wizard.WizardPage;
@@ -37,6 +37,8 @@ public final class InstallTypePage extends StackPane implements WizardPage {
 
         FXUtils.loadFXML(this, "/assets/fxml/download/dltype.fxml");
         list.setOnMouseClicked(e -> {
+            if (list.getSelectionModel().getSelectedIndex() < 0)
+                return;
             controller.getSettings().put(INSTALL_TYPE, list.getSelectionModel().getSelectedIndex());
             controller.onNext();
         });
@@ -49,7 +51,7 @@ public final class InstallTypePage extends StackPane implements WizardPage {
 
     @Override
     public String getTitle() {
-        return Main.i18n("install.select");
+        return Launcher.i18n("install.select");
     }
 
     public static final String INSTALL_TYPE = "INSTALL_TYPE";

HMCL/src/main/java/org/jackhuang/hmcl/ui/download/InstallerWizardProvider.java

@@ -18,8 +18,9 @@
 package org.jackhuang.hmcl.ui.download;
 
 import javafx.scene.Node;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.download.BMCLAPIDownloadProvider;
+import org.jackhuang.hmcl.download.RemoteVersion;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.task.Task;
@@ -79,19 +80,19 @@ public final class InstallerWizardProvider implements WizardProvider {
 
     @Override
     public Object finish(Map<String, Object> settings) {
-        settings.put("success_message", Main.i18n("install.success"));
-        settings.put("failure_message", Main.i18n("install.failed"));
+        settings.put("success_message", Launcher.i18n("install.success"));
+        settings.put("failure_message", Launcher.i18n("install.failed"));
 
         Task ret = Task.empty();
 
         if (settings.containsKey("forge"))
-            ret = ret.then(profile.getDependency().installLibraryAsync(gameVersion, version, "forge", (String) settings.get("forge")));
+            ret = ret.then(profile.getDependency().installLibraryAsync(version, (RemoteVersion<?>) settings.get("forge")));
 
         if (settings.containsKey("liteloader"))
-            ret = ret.then(profile.getDependency().installLibraryAsync(gameVersion, version, "liteloader", (String) settings.get("liteloader")));
+            ret = ret.then(profile.getDependency().installLibraryAsync(version, (RemoteVersion<?>) settings.get("liteloader")));
 
         if (settings.containsKey("optifine"))
-            ret = ret.then(profile.getDependency().installLibraryAsync(gameVersion, version, "optifine", (String) settings.get("optifine")));
+            ret = ret.then(profile.getDependency().installLibraryAsync(version, (RemoteVersion<?>) settings.get("optifine")));
 
         return ret.then(profile.getRepository().refreshVersionsAsync());
     }

HMCL/src/main/java/org/jackhuang/hmcl/ui/download/InstallersPage.java

@@ -23,8 +23,9 @@ import javafx.fxml.FXML;
 import javafx.scene.control.Label;
 import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.download.DownloadProvider;
+import org.jackhuang.hmcl.download.RemoteVersion;
 import org.jackhuang.hmcl.game.GameRepository;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.construct.Validator;
@@ -76,51 +77,55 @@ public class InstallersPage extends StackPane implements WizardPage {
 
         FXUtils.loadFXML(this, "/assets/fxml/download/installers.fxml");
 
-        String gameVersion = (String) controller.getSettings().get("game");
+        String gameVersion = ((RemoteVersion<?>) controller.getSettings().get("game")).getGameVersion();
         Validator hasVersion = new Validator(s -> !repository.hasVersion(s) && StringUtils.isNotBlank(s));
-        hasVersion.setMessage(Main.i18n("install.new_game.already_exists"));
+        hasVersion.setMessage(Launcher.i18n("install.new_game.already_exists"));
         txtName.getValidators().add(hasVersion);
         txtName.textProperty().addListener(e -> btnInstall.setDisable(!txtName.validate()));
         txtName.setText(gameVersion);
 
         btnForge.setOnMouseClicked(e -> {
             controller.getSettings().put(INSTALLER_TYPE, 0);
-            controller.onNext(new VersionsPage(controller, Main.i18n("install.installer.choose", Main.i18n("install.installer.forge")), gameVersion, downloadProvider, "forge", () -> controller.onPrev(false)));
+            controller.onNext(new VersionsPage(controller, Launcher.i18n("install.installer.choose", Launcher.i18n("install.installer.forge")), gameVersion, downloadProvider, "forge", () -> controller.onPrev(false)));
         });
 
         btnLiteLoader.setOnMouseClicked(e -> {
             controller.getSettings().put(INSTALLER_TYPE, 1);
-            controller.onNext(new VersionsPage(controller, Main.i18n("install.installer.choose", Main.i18n("install.installer.liteloader")), gameVersion, downloadProvider, "liteloader", () -> controller.onPrev(false)));
+            controller.onNext(new VersionsPage(controller, Launcher.i18n("install.installer.choose", Launcher.i18n("install.installer.liteloader")), gameVersion, downloadProvider, "liteloader", () -> controller.onPrev(false)));
         });
 
         btnOptiFine.setOnMouseClicked(e -> {
             controller.getSettings().put(INSTALLER_TYPE, 2);
-            controller.onNext(new VersionsPage(controller, Main.i18n("install.installer.choose", Main.i18n("install.installer.optifine")), gameVersion, downloadProvider, "optifine", () -> controller.onPrev(false)));
+            controller.onNext(new VersionsPage(controller, Launcher.i18n("install.installer.choose", Launcher.i18n("install.installer.optifine")), gameVersion, downloadProvider, "optifine", () -> controller.onPrev(false)));
         });
     }
 
     @Override
     public String getTitle() {
-        return Main.i18n("install.new_game");
+        return Launcher.i18n("install.new_game");
+    }
+
+    private String getVersion(String id) {
+        return ((RemoteVersion<?>) controller.getSettings().get(id)).getSelfVersion();
     }
 
     @Override
     public void onNavigate(Map<String, Object> settings) {
-        lblGameVersion.setText(Main.i18n("install.new_game.current_game_version") + ": " + controller.getSettings().get("game"));
+        lblGameVersion.setText(Launcher.i18n("install.new_game.current_game_version") + ": " + getVersion("game"));
         if (controller.getSettings().containsKey("forge"))
-            lblForge.setText(Main.i18n("install.installer.version", Main.i18n("install.installer.forge")) + ": " + controller.getSettings().get("forge"));
+            lblForge.setText(Launcher.i18n("install.installer.version", Launcher.i18n("install.installer.forge")) + ": " + getVersion("forge"));
         else
-            lblForge.setText(Main.i18n("install.installer.not_installed", Main.i18n("install.installer.forge")));
+            lblForge.setText(Launcher.i18n("install.installer.not_installed", Launcher.i18n("install.installer.forge")));
 
         if (controller.getSettings().containsKey("liteloader"))
-            lblLiteLoader.setText(Main.i18n("install.installer.version", Main.i18n("install.installer.liteloader")) + ": " + controller.getSettings().get("liteloader"));
+            lblLiteLoader.setText(Launcher.i18n("install.installer.version", Launcher.i18n("install.installer.liteloader")) + ": " + getVersion("liteloader"));
         else
-            lblLiteLoader.setText(Main.i18n("install.installer.not_installed", Main.i18n("install.installer.liteloader")));
+            lblLiteLoader.setText(Launcher.i18n("install.installer.not_installed", Launcher.i18n("install.installer.liteloader")));
 
         if (controller.getSettings().containsKey("optifine"))
-            lblOptiFine.setText(Main.i18n("install.installer.version", Main.i18n("install.installer.optifine")) + ": " + controller.getSettings().get("optifine"));
+            lblOptiFine.setText(Launcher.i18n("install.installer.version", Launcher.i18n("install.installer.optifine")) + ": " + getVersion("optifine"));
         else
-            lblOptiFine.setText(Main.i18n("install.installer.not_installed", Main.i18n("install.installer.optifine")));
+            lblOptiFine.setText(Launcher.i18n("install.installer.not_installed", Launcher.i18n("install.installer.optifine")));
     }
 
     @Override

HMCL/src/main/java/org/jackhuang/hmcl/ui/download/ModpackPage.java

@@ -25,7 +25,7 @@ import javafx.scene.control.Label;
 import javafx.scene.layout.Region;
 import javafx.scene.layout.StackPane;
 import javafx.stage.FileChooser;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.game.ModpackHelper;
 import org.jackhuang.hmcl.mod.Modpack;
 import org.jackhuang.hmcl.mod.UnsupportedModpackException;
@@ -75,16 +75,16 @@ public final class ModpackPage extends StackPane implements WizardPage {
         Profile profile = (Profile) controller.getSettings().get("PROFILE");
 
         FileChooser chooser = new FileChooser();
-        chooser.setTitle(Main.i18n("modpack.choose"));
-        chooser.getExtensionFilters().add(new FileChooser.ExtensionFilter(Main.i18n("modpack"), "*.zip"));
+        chooser.setTitle(Launcher.i18n("modpack.choose"));
+        chooser.getExtensionFilters().add(new FileChooser.ExtensionFilter(Launcher.i18n("modpack"), "*.zip"));
         File selectedFile = chooser.showOpenDialog(Controllers.getStage());
         if (selectedFile == null) Platform.runLater(() -> Controllers.navigate(null));
         else {
             controller.getSettings().put(MODPACK_FILE, selectedFile);
             lblModpackLocation.setText(selectedFile.getAbsolutePath());
             txtModpackName.getValidators().addAll(
-                    new Validator(Main.i18n("install.new_game.already_exists"), str -> !profile.getRepository().hasVersion(str) && StringUtils.isNotBlank(str)),
-                    new Validator(Main.i18n("version.forbidden_name"), str -> !profile.getRepository().forbidsVersion(str))
+                    new Validator(Launcher.i18n("install.new_game.already_exists"), str -> !profile.getRepository().hasVersion(str) && StringUtils.isNotBlank(str)),
+                    new Validator(Launcher.i18n("version.forbidden_name"), str -> !profile.getRepository().forbidsVersion(str))
             );
             txtModpackName.textProperty().addListener(e -> btnInstall.setDisable(!txtModpackName.validate()));
 
@@ -96,7 +96,7 @@ public final class ModpackPage extends StackPane implements WizardPage {
                 lblAuthor.setText(manifest.getAuthor());
                 txtModpackName.setText(manifest.getName() + (StringUtils.isBlank(manifest.getVersion()) ? "" : "-" + manifest.getVersion()));
             } catch (UnsupportedModpackException e) {
-                txtModpackName.setText(Main.i18n("modpack.task.install.error"));
+                txtModpackName.setText(Launcher.i18n("modpack.task.install.error"));
             }
         }
     }
@@ -118,14 +118,14 @@ public final class ModpackPage extends StackPane implements WizardPage {
         if (manifest != null) {
             WebStage stage = new WebStage();
             stage.getWebView().getEngine().loadContent(manifest.getDescription());
-            stage.setTitle(Main.i18n("modpack.wizard.step.3"));
+            stage.setTitle(Launcher.i18n("modpack.wizard.step.3"));
             stage.showAndWait();
         }
     }
 
     @Override
     public String getTitle() {
-        return Main.i18n("modpack.task.install");
+        return Launcher.i18n("modpack.task.install");
     }
 
     public static final String MODPACK_FILE = "MODPACK_FILE";

HMCL/src/main/java/org/jackhuang/hmcl/ui/download/VersionsPage.java

@@ -40,6 +40,7 @@ import org.jackhuang.hmcl.ui.wizard.WizardPage;
 
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.stream.Collectors;
 
 public final class VersionsPage extends StackPane implements WizardPage, Refreshable {
@@ -93,7 +94,9 @@ public final class VersionsPage extends StackPane implements WizardPage, Refresh
         chkOld.selectedProperty().addListener(listener);
 
         list.getSelectionModel().selectedItemProperty().addListener((a, b, newValue) -> {
-            controller.getSettings().put(libraryId, newValue.getRemoteVersion().getSelfVersion());
+            if (newValue == null)
+                return;
+            controller.getSettings().put(libraryId, newValue.getRemoteVersion());
             callback.run();
         });
         refresh();
@@ -114,6 +117,7 @@ public final class VersionsPage extends StackPane implements WizardPage, Refresh
                         }
                     else return true;
                 })
+                .filter(Objects::nonNull)
                 .sorted()
                 .map(VersionsPageItem::new).collect(Collectors.toList());
     }

HMCL/src/main/java/org/jackhuang/hmcl/ui/download/VersionsPageItem.java

@@ -23,13 +23,15 @@ import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.StackPane;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.download.RemoteVersion;
 import org.jackhuang.hmcl.download.game.GameRemoteVersionTag;
 import org.jackhuang.hmcl.download.liteloader.LiteLoaderRemoteVersionTag;
 import org.jackhuang.hmcl.download.optifine.OptiFineRemoteVersion;
 import org.jackhuang.hmcl.ui.FXUtils;
 
+import java.util.Objects;
+
 /**
  * @author huangyuhui
  */
@@ -47,7 +49,7 @@ public final class VersionsPageItem extends StackPane {
     private StackPane imageViewContainer;
 
     public VersionsPageItem(RemoteVersion<?> remoteVersion) {
-        this.remoteVersion = remoteVersion;
+        this.remoteVersion = Objects.requireNonNull(remoteVersion);
 
         FXUtils.loadFXML(this, "/assets/fxml/download/versions-list-item.fxml");
         lblSelfVersion.setText(remoteVersion.getSelfVersion());
@@ -55,15 +57,15 @@ public final class VersionsPageItem extends StackPane {
         if (remoteVersion.getTag() instanceof GameRemoteVersionTag) {
             switch (((GameRemoteVersionTag) remoteVersion.getTag()).getType()) {
                 case RELEASE:
-                    lblGameVersion.setText(Main.i18n("version.game.release"));
+                    lblGameVersion.setText(Launcher.i18n("version.game.release"));
                     imageView.setImage(new Image("/assets/img/icon.png", 32, 32, false, true));
                     break;
                 case SNAPSHOT:
-                    lblGameVersion.setText(Main.i18n("version.game.snapshot"));
+                    lblGameVersion.setText(Launcher.i18n("version.game.snapshot"));
                     imageView.setImage(new Image("/assets/img/command.png", 32, 32, false, true));
                     break;
                 default:
-                    lblGameVersion.setText(Main.i18n("version.game.old"));
+                    lblGameVersion.setText(Launcher.i18n("version.game.old"));
                     imageView.setImage(new Image("/assets/img/grass.png", 32, 32, false, true));
                     break;
             }

HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ModpackFileSelectionPage.java

@@ -25,7 +25,7 @@ import javafx.scene.control.Label;
 import javafx.scene.control.TreeItem;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.StackPane;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.game.ModAdviser;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.ui.FXUtils;
@@ -147,23 +147,23 @@ public final class ModpackFileSelectionPage extends StackPane implements WizardP
 
     @Override
     public String getTitle() {
-        return Main.i18n("modpack.wizard.step.2.title");
+        return Launcher.i18n("modpack.wizard.step.2.title");
     }
 
     public static final String MODPACK_FILE_SELECTION = "modpack.accepted";
     private static final Map<String, String> TRANSLATION = Lang.mapOf(
-            new Pair<>("minecraft/servers.dat", Main.i18n("modpack.files.servers_dat")),
-            new Pair<>("minecraft/saves", Main.i18n("modpack.files.saves")),
-            new Pair<>("minecraft/mods", Main.i18n("modpack.files.mods")),
-            new Pair<>("minecraft/config", Main.i18n("modpack.files.config")),
-            new Pair<>("minecraft/liteconfig", Main.i18n("modpack.files.liteconfig")),
-            new Pair<>("minecraft/resourcepacks", Main.i18n("modpack.files.resourcepacks")),
-            new Pair<>("minecraft/resources", Main.i18n("modpack.files.resourcepacks")),
-            new Pair<>("minecraft/options.txt", Main.i18n("modpack.files.options_txt")),
-            new Pair<>("minecraft/optionsshaders.txt", Main.i18n("modpack.files.optionsshaders_txt")),
-            new Pair<>("minecraft/mods/VoxelMods", Main.i18n("modpack.files.mods.voxelmods")),
-            new Pair<>("minecraft/dumps", Main.i18n("modpack.files.dumps")),
-            new Pair<>("minecraft/blueprints", Main.i18n("modpack.files.blueprints")),
-            new Pair<>("minecraft/scripts", Main.i18n("modpack.files.scripts"))
+            new Pair<>("minecraft/servers.dat", Launcher.i18n("modpack.files.servers_dat")),
+            new Pair<>("minecraft/saves", Launcher.i18n("modpack.files.saves")),
+            new Pair<>("minecraft/mods", Launcher.i18n("modpack.files.mods")),
+            new Pair<>("minecraft/config", Launcher.i18n("modpack.files.config")),
+            new Pair<>("minecraft/liteconfig", Launcher.i18n("modpack.files.liteconfig")),
+            new Pair<>("minecraft/resourcepacks", Launcher.i18n("modpack.files.resourcepacks")),
+            new Pair<>("minecraft/resources", Launcher.i18n("modpack.files.resourcepacks")),
+            new Pair<>("minecraft/options.txt", Launcher.i18n("modpack.files.options_txt")),
+            new Pair<>("minecraft/optionsshaders.txt", Launcher.i18n("modpack.files.optionsshaders_txt")),
+            new Pair<>("minecraft/mods/VoxelMods", Launcher.i18n("modpack.files.mods.voxelmods")),
+            new Pair<>("minecraft/dumps", Launcher.i18n("modpack.files.dumps")),
+            new Pair<>("minecraft/blueprints", Launcher.i18n("modpack.files.blueprints")),
+            new Pair<>("minecraft/scripts", Launcher.i18n("modpack.files.scripts"))
     );
 }

HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ModpackInfoPage.java

@@ -26,7 +26,7 @@ import javafx.scene.control.Label;
 import javafx.scene.control.ScrollPane;
 import javafx.scene.layout.StackPane;
 import javafx.stage.FileChooser;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.auth.Account;
 import org.jackhuang.hmcl.setting.Settings;
 import org.jackhuang.hmcl.ui.Controllers;
@@ -72,8 +72,8 @@ public final class ModpackInfoPage extends StackPane implements WizardPage {
     @FXML
     private void onNext() {
         FileChooser fileChooser = new FileChooser();
-        fileChooser.setTitle(Main.i18n("modpack.wizard.step.initialization.save"));
-        fileChooser.getExtensionFilters().add(new FileChooser.ExtensionFilter(Main.i18n("modpack"), "*.zip"));
+        fileChooser.setTitle(Launcher.i18n("modpack.wizard.step.initialization.save"));
+        fileChooser.getExtensionFilters().add(new FileChooser.ExtensionFilter(Launcher.i18n("modpack"), "*.zip"));
         File file = fileChooser.showSaveDialog(Controllers.getStage());
         if (file == null) {
             Controllers.navigate(null);
@@ -100,7 +100,7 @@ public final class ModpackInfoPage extends StackPane implements WizardPage {
 
     @Override
     public String getTitle() {
-        return Main.i18n("modpack.wizard.step.1.title");
+        return Launcher.i18n("modpack.wizard.step.1.title");
     }
 
     public static final String MODPACK_NAME = "modpack.name";

HMCL/src/main/java/org/jackhuang/hmcl/upgrade/AppDataUpgrader.java

@@ -18,9 +18,8 @@
 package org.jackhuang.hmcl.upgrade;
 
 import com.google.gson.JsonParseException;
-import com.google.gson.JsonSyntaxException;
 import com.google.gson.reflect.TypeToken;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.task.FileDownloadTask;
 import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.task.Task;
@@ -100,15 +99,15 @@ public class AppDataUpgrader extends IUpgrader {
         checker.requestDownloadLink().then(Task.of(Schedulers.javafx(), variables -> {
             Map<String, String> map = variables.get(UpdateChecker.REQUEST_DOWNLOAD_LINK_ID);
 
-            if (MessageBox.confirm(Main.i18n("update.newest_version") + version.toString() + "\n"
-                            + Main.i18n("update.should_open_link"),
+            if (MessageBox.confirm(Launcher.i18n("update.newest_version") + version.toString() + "\n"
+                            + Launcher.i18n("update.should_open_link"),
                     MessageBox.YES_NO_OPTION) == MessageBox.YES_OPTION)
                 if (map != null && map.containsKey("jar") && !StringUtils.isBlank(map.get("jar")))
                     try {
                         String hash = null;
                         if (map.containsKey("jarsha1"))
                             hash = map.get("jarsha1");
-                        Controllers.dialog(Main.i18n("message.downloading"));
+                        Controllers.dialog(Launcher.i18n("message.downloading"));
                         if (new AppDataUpgraderJarTask(NetworkUtils.toURL(map.get("jar")), version.toString(), hash).test()) {
                             new ProcessBuilder(JavaVersion.fromCurrentEnvironment().getBinary().getAbsolutePath(), "-jar", AppDataUpgraderJarTask.getSelf(version.toString()).getAbsolutePath())
                                     .directory(new File("").getAbsoluteFile()).start();
@@ -123,7 +122,7 @@ public class AppDataUpgrader extends IUpgrader {
                         String hash = null;
                         if (map.containsKey("packsha1"))
                             hash = map.get("packsha1");
-                        Controllers.dialog(Main.i18n("message.downloading"));
+                        Controllers.dialog(Launcher.i18n("message.downloading"));
                         if (new AppDataUpgraderPackGzTask(NetworkUtils.toURL(map.get("pack")), version.toString(), hash).test()) {
                             new ProcessBuilder(JavaVersion.fromCurrentEnvironment().getBinary().getAbsolutePath(), "-jar", AppDataUpgraderPackGzTask.getSelf(version.toString()).getAbsolutePath())
                                     .directory(new File("").getAbsoluteFile()).start();
@@ -134,20 +133,20 @@ public class AppDataUpgrader extends IUpgrader {
                         Logging.LOG.log(Level.SEVERE, "Failed to create upgrader", ex);
                     }
                 else {
-                    String url = Main.PUBLISH;
+                    String url = Launcher.PUBLISH;
                     if (map != null)
                         if (map.containsKey(OperatingSystem.CURRENT_OS.getCheckedName()))
                             url = map.get(OperatingSystem.CURRENT_OS.getCheckedName());
                         else if (map.containsKey(OperatingSystem.UNKNOWN.getCheckedName()))
                             url = map.get(OperatingSystem.UNKNOWN.getCheckedName());
                     if (url == null)
-                        url = Main.PUBLISH;
+                        url = Launcher.PUBLISH;
                     try {
                         java.awt.Desktop.getDesktop().browse(new URI(url));
                     } catch (URISyntaxException | IOException e) {
                         Logging.LOG.log(Level.SEVERE, "Failed to browse uri: " + url, e);
                         OperatingSystem.setClipboard(url);
-                        MessageBox.show(Main.i18n("update.no_browser"));
+                        MessageBox.show(Launcher.i18n("update.no_browser"));
                     }
                 }
         })).start();
@@ -155,7 +154,7 @@ public class AppDataUpgrader extends IUpgrader {
 
     public static class AppDataUpgraderPackGzTask extends Task {
 
-        public static final File BASE_FOLDER = Main.HMCL_DIRECTORY;
+        public static final File BASE_FOLDER = Launcher.HMCL_DIRECTORY;
         public static final File HMCL_VER_FILE = new File(BASE_FOLDER, "hmclver.json");
 
         public static File getSelf(String ver) {
@@ -205,7 +204,7 @@ public class AppDataUpgrader extends IUpgrader {
 
     public static class AppDataUpgraderJarTask extends Task {
 
-        public static final File BASE_FOLDER = Main.getWorkingDirectory("hmcl");
+        public static final File BASE_FOLDER = Launcher.getWorkingDirectory("hmcl");
         public static final File HMCL_VER_FILE = new File(BASE_FOLDER, "hmclver.json");
 
         public static File getSelf(String ver) {

HMCL/src/main/java/org/jackhuang/hmcl/upgrade/NewFileUpgrader.java

@@ -17,7 +17,7 @@
  */
 package org.jackhuang.hmcl.upgrade;
 
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.task.FileDownloadTask;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.util.Charsets;
@@ -51,7 +51,7 @@ public class NewFileUpgrader extends IUpgrader {
         URL url = requestDownloadLink();
         if (url == null) return;
         File newf = new File(url.getFile());
-        Controllers.dialog(Main.i18n("message.downloading"));
+        Controllers.dialog(Launcher.i18n("message.downloading"));
         if (new FileDownloadTask(url, newf).test()) {
             try {
                 new ProcessBuilder(newf.getCanonicalPath(), "--removeOldLauncher", getRealPath())

HMCL/src/main/java/org/jackhuang/hmcl/upgrade/UpdateChecker.java

@@ -18,7 +18,7 @@
 package org.jackhuang.hmcl.upgrade;
 
 import com.google.gson.JsonSyntaxException;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.event.Event;
 import org.jackhuang.hmcl.event.EventBus;
 import org.jackhuang.hmcl.event.OutOfDateEvent;
@@ -67,18 +67,18 @@ public final class UpdateChecker {
         return new TaskResult<VersionNumber>() {
             @Override
             public void execute() throws Exception {
-                if (Main.VERSION.contains("@"))
+                if (Launcher.VERSION.contains("@"))
                     return;
 
                 if (value == null) {
-                    versionString = NetworkUtils.doGet(NetworkUtils.toURL("http://huangyuhui.duapp.com/hmcl/update.php?version=" + Main.VERSION));
+                    versionString = NetworkUtils.doGet(NetworkUtils.toURL("http://huangyuhui.duapp.com/hmcl/update.php?version=" + Launcher.VERSION));
                     value = VersionNumber.asVersion(versionString);
                 }
 
                 if (value == null) {
                     Logging.LOG.warning("Unable to check update...");
                     if (showMessage)
-                        MessageBox.show(Main.i18n("update.failed"));
+                        MessageBox.show(Launcher.i18n("update.failed"));
                 } else if (base.compareTo(value) < 0)
                     outOfDate = true;
                 if (outOfDate)
@@ -134,7 +134,7 @@ public final class UpdateChecker {
     public void checkOutdate() {
         if (outOfDate)
             if (EventBus.EVENT_BUS.fireEvent(new OutOfDateEvent(this, getNewVersion())) != Event.Result.DENY) {
-                Main.UPGRADER.download(this, getNewVersion());
+                Launcher.UPGRADER.download(this, getNewVersion());
             }
     }
 }

HMCL/src/main/java/org/jackhuang/hmcl/util/CrashReporter.java

@@ -18,7 +18,7 @@
 package org.jackhuang.hmcl.util;
 
 import javafx.application.Platform;
-import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.ui.CrashWindow;
 import org.jackhuang.hmcl.ui.construct.MessageBox;
 
@@ -36,15 +36,15 @@ public class CrashReporter implements Thread.UncaughtExceptionHandler {
 
     private static final HashMap<String, String> SOURCE = new HashMap<String, String>() {
         {
-            put("javafx.fxml.LoadException", Main.i18n("crash.NoClassDefFound"));
-            put("UnsatisfiedLinkError", Main.i18n("crash.user_fault"));
-            put("java.lang.NoClassDefFoundError", Main.i18n("crash.NoClassDefFound"));
-            put("java.lang.VerifyError", Main.i18n("crash.NoClassDefFound"));
-            put("java.lang.NoSuchMethodError", Main.i18n("crash.NoClassDefFound"));
-            put("java.lang.IncompatibleClassChangeError", Main.i18n("crash.NoClassDefFound"));
-            put("java.lang.ClassFormatError", Main.i18n("crash.NoClassDefFound"));
+            put("javafx.fxml.LoadException", Launcher.i18n("crash.NoClassDefFound"));
+            put("UnsatisfiedLinkError", Launcher.i18n("crash.user_fault"));
+            put("java.lang.NoClassDefFoundError", Launcher.i18n("crash.NoClassDefFound"));
+            put("java.lang.VerifyError", Launcher.i18n("crash.NoClassDefFound"));
+            put("java.lang.NoSuchMethodError", Launcher.i18n("crash.NoClassDefFound"));
+            put("java.lang.IncompatibleClassChangeError", Launcher.i18n("crash.NoClassDefFound"));
+            put("java.lang.ClassFormatError", Launcher.i18n("crash.NoClassDefFound"));
             put("java.lang.OutOfMemoryError", "FUCKING MEMORY LIMIT!");
-            put("Trampoline", Main.i18n("launcher.update_java"));
+            put("Trampoline", Launcher.i18n("launcher.update_java"));
             put("NoSuchAlgorithmException", "Has your operating system been installed completely or is a ghost system?");
         }
     };
@@ -80,7 +80,7 @@ public class CrashReporter implements Thread.UncaughtExceptionHandler {
         try {
             StringBuilder builder = new StringBuilder();
             builder.append("---- Hello Minecraft! Crash Report ----\n");
-            builder.append("  Version: " + Main.VERSION + "\n");
+            builder.append("  Version: " + Launcher.VERSION + "\n");
             builder.append("  Time: ").append(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date())).append("\n");
             builder.append("  Thread: ").append(t.toString()).append("\n");
             builder.append("\n  Content: \n    ");
@@ -95,7 +95,7 @@ public class CrashReporter implements Thread.UncaughtExceptionHandler {
 
             if (checkThrowable(e) && !text.contains("OpenJDK")) {
                 Platform.runLater(() -> new CrashWindow(text).show());
-                if (!Main.UPDATE_CHECKER.isOutOfDate())
+                if (!Launcher.UPDATE_CHECKER.isOutOfDate())
                     reportToServer(text);
             }
         } catch (Throwable ex) {
@@ -110,7 +110,8 @@ public class CrashReporter implements Thread.UncaughtExceptionHandler {
         Thread t = new Thread(() -> {
             HashMap<String, String> map = new HashMap<>();
             map.put("crash_report", text);
-            map.put("version", Main.VERSION);
+            map.put("version", Launcher.VERSION);
+            map.put("log", Logging.getLogs());
             try {
                 String response = NetworkUtils.doPost(NetworkUtils.toURL("http://huangyuhui.duapp.com/hmcl/crash.php"), map);
                 if (StringUtils.isNotBlank(response))

HMCL/src/main/resources/assets/fxml/authlib-injector-servers.fxml

@@ -35,6 +35,8 @@
                         <JFXTextField fx:id="txtServerIp" promptText="%account.injector.server_ip" labelFloat="true">
                             <validators>
                                 <URLValidator message="%input.url">
+                                </URLValidator>
+                                <URLValidator message="%input.url.http">
                                     <protocols>
                                         <String fx:value="http" />
                                         <String fx:value="https" />

HMCL/src/main/resources/assets/fxml/main.fxml

@@ -6,14 +6,18 @@
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.StackPane?>
 <?import javafx.scene.layout.VBox?>
+<?import com.jfoenix.controls.JFXSpinner?>
 <fx:root
         maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity"
         type="StackPane" pickOnBounds="false"
         xmlns="http://javafx.com/javafx/8.0.112" xmlns:fx="http://javafx.com/fxml/1">
-    <ScrollPane fitToHeight="true" fitToWidth="true" fx:id="scrollPane" hbarPolicy="NEVER">
-        <JFXMasonryPane fx:id="masonryPane" HSpacing="3" VSpacing="3" cellWidth="182" cellHeight="160">
-        </JFXMasonryPane>
-    </ScrollPane>
+    <StackPane fx:id="contentPane">
+        <JFXSpinner fx:id="spinner" styleClass="first-spinner" />
+        <ScrollPane fitToHeight="true" fitToWidth="true" fx:id="scrollPane" hbarPolicy="NEVER">
+            <JFXMasonryPane fx:id="masonryPane" HSpacing="3" VSpacing="3" cellWidth="182" cellHeight="160">
+            </JFXMasonryPane>
+        </ScrollPane>
+    </StackPane>
     <VBox style="-fx-padding: 15;" spacing="15" pickOnBounds="false" alignment="BOTTOM_RIGHT">
         <JFXButton prefWidth="40" prefHeight="40" buttonType="RAISED" fx:id="btnRefresh" styleClass="jfx-button-raised-round">
             <graphic>

HMCL/src/main/resources/assets/fxml/version-item.fxml

@@ -15,7 +15,7 @@
             <VBox style="-fx-padding: 8 8 0 8;">
                 <Label fx:id="lblVersionName" style="-fx-font-size: 15;" textAlignment="JUSTIFY" wrapText="true" />
                 <Label fx:id="lblGameVersion" style="-fx-font-size: 11;" textAlignment="JUSTIFY" wrapText="true" />
-                <Label fx:id="lblLibraries" style="-fx-font-size: 11; -fx-text-fill: gray;" textAlignment="JUSTIFY" wrapText="true" />
+                <Label fx:id="lblLibraries" style="-fx-font-size: 10; -fx-text-fill: gray;" textAlignment="JUSTIFY" wrapText="true" />
             </VBox>
         </StackPane>
         <StackPane fx:id="body" style="-fx-background-radius: 0 0 2 2; -fx-background-color: rgb(255,255,255,0.87); -fx-padding: 8;" minHeight="40" pickOnBounds="false">

HMCL/src/main/resources/assets/lang/I18N.properties

@@ -136,6 +136,7 @@ input.email=The username must be an e-mail.
 input.number=Must be a number.
 input.not_empty=Input Requrired!
 input.url=Must be a valid URL.
+input.url.http=Only Http or Https accepted.
 
 install=Install New Game
 install.failed=Failed to install

HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties

@@ -136,6 +136,7 @@ input.email=用户名必须是邮箱
 input.number=必须是数字
 input.not_empty=必填项
 input.url=必须是合法的链接
+input.url.http=只支持Http或Https协议
 
 install=添加游戏
 install.failed=安装失败

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilAccount.java

@@ -17,7 +17,6 @@
  */
 package org.jackhuang.hmcl.auth.yggdrasil;
 
-import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import org.jackhuang.hmcl.auth.*;
 import org.jackhuang.hmcl.util.StringUtils;

HMCLCore/src/main/java/org/jackhuang/hmcl/download/DefaultDependencyManager.java

@@ -18,9 +18,12 @@
 package org.jackhuang.hmcl.download;
 
 import org.jackhuang.hmcl.download.forge.ForgeInstallTask;
+import org.jackhuang.hmcl.download.forge.ForgeRemoteVersion;
 import org.jackhuang.hmcl.download.game.*;
 import org.jackhuang.hmcl.download.liteloader.LiteLoaderInstallTask;
+import org.jackhuang.hmcl.download.liteloader.LiteLoaderRemoteVersion;
 import org.jackhuang.hmcl.download.optifine.OptiFineInstallTask;
+import org.jackhuang.hmcl.download.optifine.OptiFineRemoteVersion;
 import org.jackhuang.hmcl.game.DefaultGameRepository;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.ParallelTask;
@@ -80,25 +83,31 @@ public class DefaultDependencyManager extends AbstractDependencyManager {
 
     @Override
     public Task installLibraryAsync(String gameVersion, Version version, String libraryId, String libraryVersion) {
-        switch (libraryId) {
-            case "forge":
-                return new ForgeInstallTask(this, gameVersion, version, libraryVersion)
-                        .then(variables -> new LibrariesUniqueTask(variables.get("version")))
-                        .then(variables -> new MaintainTask(variables.get("version")))
-                        .then(variables -> new VersionJsonSaveTask(repository, variables.get("version")));
-            case "liteloader":
-                return new LiteLoaderInstallTask(this, gameVersion, version, libraryVersion)
-                        .then(variables -> new LibrariesUniqueTask(variables.get("version")))
-                        .then(variables -> new MaintainTask(variables.get("version")))
-                        .then(variables -> new VersionJsonSaveTask(repository, variables.get("version")));
-            case "optifine":
-                return new OptiFineInstallTask(this, gameVersion, version, libraryVersion)
-                        .then(variables -> new LibrariesUniqueTask(variables.get("version")))
-                        .then(variables -> new MaintainTask(variables.get("version")))
-                        .then(variables -> new VersionJsonSaveTask(repository, variables.get("version")));
-            default:
-                throw new IllegalArgumentException("Library id " + libraryId + " is unrecognized.");
-        }
+        VersionList<?> versionList = getVersionList(libraryId);
+        return versionList.loadAsync(getDownloadProvider())
+                .then(variables -> installLibraryAsync(version, versionList.getVersion(gameVersion, libraryVersion)
+                        .orElseThrow(() -> new IllegalStateException("Remote library " + libraryId + " has no version " + libraryVersion))));
+    }
+
+    @Override
+    public Task installLibraryAsync(Version version, RemoteVersion<?> libraryVersion) {
+        if (libraryVersion instanceof ForgeRemoteVersion)
+            return new ForgeInstallTask(this, version, (ForgeRemoteVersion) libraryVersion)
+                    .then(variables -> new LibrariesUniqueTask(variables.get("version")))
+                    .then(variables -> new MaintainTask(variables.get("version")))
+                    .then(variables -> new VersionJsonSaveTask(repository, variables.get("version")));
+        else if (libraryVersion instanceof LiteLoaderRemoteVersion)
+            return new LiteLoaderInstallTask(this, version, (LiteLoaderRemoteVersion) libraryVersion)
+                    .then(variables -> new LibrariesUniqueTask(variables.get("version")))
+                    .then(variables -> new MaintainTask(variables.get("version")))
+                    .then(variables -> new VersionJsonSaveTask(repository, variables.get("version")));
+        else if (libraryVersion instanceof OptiFineRemoteVersion)
+            return new OptiFineInstallTask(this, version, (OptiFineRemoteVersion) libraryVersion)
+                    .then(variables -> new LibrariesUniqueTask(variables.get("version")))
+                    .then(variables -> new MaintainTask(variables.get("version")))
+                    .then(variables -> new VersionJsonSaveTask(repository, variables.get("version")));
+        else
+            throw new IllegalArgumentException("Remote library " + libraryVersion + " is unrecognized.");
     }
 
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/download/DefaultGameBuilder.java

@@ -18,7 +18,6 @@
 package org.jackhuang.hmcl.download;
 
 import org.jackhuang.hmcl.download.game.*;
-import org.jackhuang.hmcl.game.SimpleVersionProvider;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.ParallelTask;
 import org.jackhuang.hmcl.task.Task;
@@ -52,7 +51,7 @@ public class DefaultGameBuilder extends GameBuilder {
     public Task buildAsync() {
         return new VersionJsonDownloadTask(gameVersion, dependencyManager).then(variables -> {
             Version version = Constants.GSON.fromJson(variables.<String>get(VersionJsonDownloadTask.ID), Version.class);
-            version = version.setId(name).setJar(null).resolve(new SimpleVersionProvider());
+            version = version.setId(name).setJar(null);
             variables.set("version", version);
             Task result = new ParallelTask(
                     new GameAssetDownloadTask(dependencyManager, version),
@@ -67,6 +66,10 @@ public class DefaultGameBuilder extends GameBuilder {
                 result = result.then(libraryTaskHelper(gameVersion, "liteloader"));
             if (toolVersions.containsKey("optifine"))
                 result = result.then(libraryTaskHelper(gameVersion, "optifine"));
+
+            for (RemoteVersion<?> remoteVersion : remoteVersions)
+                result = result.then(var -> dependencyManager.installLibraryAsync(var.get("version"), remoteVersion));
+
             return result;
         }).finalized((variables, isDependentsSucceeded) -> {
             if (!isDependentsSucceeded)

HMCLCore/src/main/java/org/jackhuang/hmcl/download/DependencyManager.java

@@ -66,6 +66,16 @@ public interface DependencyManager {
      */
     Task installLibraryAsync(String gameVersion, Version version, String libraryId, String libraryVersion);
 
+    /**
+     * Install a library to a version.
+     * **Note**: Installing a library may change the version.json.
+     *
+     * @param version the version.json.\
+     * @param libraryVersion the remote version of being installed library.
+     * @return the task to install the specific library.
+     */
+    Task installLibraryAsync(Version version, RemoteVersion<?> libraryVersion);
+
     /**
      * Get registered version list.
      *

HMCLCore/src/main/java/org/jackhuang/hmcl/download/GameBuilder.java

@@ -19,9 +19,7 @@ package org.jackhuang.hmcl.download;
 
 import org.jackhuang.hmcl.task.Task;
 
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Objects;
+import java.util.*;
 
 /**
  * The builder which provide a task to build Minecraft environment.
@@ -33,6 +31,7 @@ public abstract class GameBuilder {
     protected String name = "";
     protected String gameVersion = "";
     protected final Map<String, String> toolVersions = new HashMap<>();
+    protected final Set<RemoteVersion<?>> remoteVersions = new HashSet<>();
 
     public String getName() {
         return name;
@@ -65,6 +64,11 @@ public abstract class GameBuilder {
         return this;
     }
 
+    public GameBuilder version(RemoteVersion<?> remoteVersion) {
+        remoteVersions.add(remoteVersion);
+        return this;
+    }
+
     /**
      * @return the task that can build thw whole Minecraft environment
      */

HMCLCore/src/main/java/org/jackhuang/hmcl/download/MaintainTask.java

@@ -17,7 +17,6 @@
  */
 package org.jackhuang.hmcl.download;
 
-import org.jackhuang.hmcl.game.GameRepository;
 import org.jackhuang.hmcl.game.Library;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.TaskResult;

HMCLCore/src/main/java/org/jackhuang/hmcl/download/RemoteVersion.java

@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hmcl.download;
 
+import org.jackhuang.hmcl.util.ToStringBuilder;
 import org.jackhuang.hmcl.util.VersionNumber;
 
 import java.util.Objects;
@@ -74,6 +75,15 @@ public class RemoteVersion<T> implements Comparable<RemoteVersion<T>> {
         return selfVersion.hashCode();
     }
 
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this)
+                .append("selfVersion", selfVersion)
+                .append("gameVersion", gameVersion)
+                .append("tag", tag)
+                .toString();
+    }
+
     @Override
     public int compareTo(RemoteVersion<T> o) {
         // newer versions are smaller than older versions

HMCLCore/src/main/java/org/jackhuang/hmcl/download/VersionList.java

@@ -21,6 +21,7 @@ import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.util.SimpleMultimap;
 
 import java.util.*;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
 
 /**
  * The remote version list.
@@ -45,15 +46,36 @@ public abstract class VersionList<T> {
         return !versions.isEmpty();
     }
 
+    protected final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
+
     /**
      * @param downloadProvider DownloadProvider
      * @return the task to reload the remote version list.
      */
     public abstract Task refreshAsync(DownloadProvider downloadProvider);
 
+    public Task loadAsync(DownloadProvider downloadProvider) {
+        return Task.ofThen(variables -> {
+            lock.readLock().lock();
+            boolean loaded;
+
+            try {
+                loaded = isLoaded();
+            } finally {
+                lock.readLock().unlock();
+            }
+            return loaded ? null : refreshAsync(downloadProvider);
+        });
+    }
+
     private Collection<RemoteVersion<T>> getVersionsImpl(String gameVersion) {
-        Collection<RemoteVersion<T>> ans = versions.get(gameVersion);
-        return ans.isEmpty() ? versions.values() : ans;
+        lock.readLock().lock();
+        try {
+            Collection<RemoteVersion<T>> ans = versions.get(gameVersion);
+            return ans.isEmpty() ? versions.values() : ans;
+        } finally {
+            lock.readLock().unlock();
+        }
     }
 
     /**
@@ -74,10 +96,15 @@ public abstract class VersionList<T> {
      * @return the specific remote version, null if it is not found.
      */
     public final Optional<RemoteVersion<T>> getVersion(String gameVersion, String remoteVersion) {
-        RemoteVersion<T> result = null;
-        for (RemoteVersion<T> it : versions.get(gameVersion))
-            if (remoteVersion.equals(it.getSelfVersion()))
-                result = it;
-        return Optional.ofNullable(result);
+        lock.readLock().lock();
+        try {
+            RemoteVersion<T> result = null;
+            for (RemoteVersion<T> it : versions.get(gameVersion))
+                if (remoteVersion.equals(it.getSelfVersion()))
+                    result = it;
+            return Optional.ofNullable(result);
+        } finally {
+            lock.readLock().unlock();
+        }
     }
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeInstallTask.java

@@ -18,8 +18,6 @@
 package org.jackhuang.hmcl.download.forge;
 
 import org.jackhuang.hmcl.download.DefaultDependencyManager;
-import org.jackhuang.hmcl.download.RemoteVersion;
-import org.jackhuang.hmcl.download.VersionList;
 import org.jackhuang.hmcl.download.game.GameLibrariesTask;
 import org.jackhuang.hmcl.game.Library;
 import org.jackhuang.hmcl.game.SimpleVersionProvider;
@@ -47,34 +45,22 @@ import java.util.zip.ZipFile;
 public final class ForgeInstallTask extends TaskResult<Version> {
 
     private final DefaultDependencyManager dependencyManager;
-    private final String gameVersion;
     private final Version version;
-    private final String remoteVersion;
-    private final VersionList<?> forgeVersionList;
     private final File installer = new File("forge-installer.jar").getAbsoluteFile();
-    private RemoteVersion<?> remote;
+    private ForgeRemoteVersion remote;
     private final List<Task> dependents = new LinkedList<>();
     private final List<Task> dependencies = new LinkedList<>();
 
     private Task downloadFileTask() {
-        remote = forgeVersionList.getVersion(gameVersion, remoteVersion)
-                .orElseThrow(() -> new IllegalArgumentException("Remote forge version " + gameVersion + ", " + remoteVersion + " not found"));
         return new FileDownloadTask(NetworkUtils.toURL(remote.getUrl()), installer);
     }
 
-    public ForgeInstallTask(DefaultDependencyManager dependencyManager, String gameVersion, Version version, String remoteVersion) {
+    public ForgeInstallTask(DefaultDependencyManager dependencyManager, Version version, ForgeRemoteVersion remoteVersion) {
         this.dependencyManager = dependencyManager;
-        this.gameVersion = gameVersion;
         this.version = version;
-        this.remoteVersion = remoteVersion;
+        this.remote = remoteVersion;
 
-        forgeVersionList = dependencyManager.getVersionList("forge");
-
-        if (!forgeVersionList.isLoaded())
-            dependents.add(forgeVersionList.refreshAsync(dependencyManager.getDownloadProvider())
-                    .then(s -> downloadFileTask()));
-        else
-            dependents.add(downloadFileTask());
+        dependents.add(downloadFileTask());
     }
 
     @Override

HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeRemoteVersion.java

@@ -0,0 +1,33 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2017  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hmcl.download.forge;
+
+import org.jackhuang.hmcl.download.RemoteVersion;
+
+public class ForgeRemoteVersion extends RemoteVersion<Void> {
+    /**
+     * Constructor.
+     *
+     * @param gameVersion the Minecraft version that this remote version suits.
+     * @param selfVersion the version string of the remote version.
+     * @param url         the installer or universal jar URL.
+     */
+    public ForgeRemoteVersion(String gameVersion, String selfVersion, String url) {
+        super(gameVersion, selfVersion, url, null);
+    }
+}

HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeVersionList.java

@@ -18,7 +18,6 @@
 package org.jackhuang.hmcl.download.forge;
 
 import org.jackhuang.hmcl.download.DownloadProvider;
-import org.jackhuang.hmcl.download.RemoteVersion;
 import org.jackhuang.hmcl.download.VersionList;
 import org.jackhuang.hmcl.task.GetTask;
 import org.jackhuang.hmcl.task.Task;
@@ -53,34 +52,40 @@ public final class ForgeVersionList extends VersionList<Void> {
 
             @Override
             public void execute() {
-                ForgeVersionRoot root = Constants.GSON.fromJson(task.getResult(), ForgeVersionRoot.class);
-                if (root == null)
-                    return;
-                versions.clear();
+                lock.writeLock().lock();
 
-                for (Map.Entry<String, int[]> entry : root.getGameVersions().entrySet()) {
-                    Optional<String> gameVersion = VersionNumber.parseVersion(entry.getKey());
-                    if (!gameVersion.isPresent())
-                        continue;
-                    for (int v : entry.getValue()) {
-                        ForgeVersion version = root.getNumber().get(v);
-                        if (version == null)
-                            continue;
-                        String jar = null;
-                        for (String[] file : version.getFiles())
-                            if (file.length > 1 && "installer".equals(file[1])) {
-                                String classifier = version.getGameVersion() + "-" + version.getVersion()
-                                        + (StringUtils.isNotBlank(version.getBranch()) ? "-" + version.getBranch() : "");
-                                String fileName = root.getArtifact() + "-" + classifier + "-" + file[1] + "." + file[0];
-                                jar = downloadProvider.injectURL(root.getWebPath() + classifier + "/" + fileName);
-                            }
+                try {
+                    ForgeVersionRoot root = Constants.GSON.fromJson(task.getResult(), ForgeVersionRoot.class);
+                    if (root == null)
+                        return;
+                    versions.clear();
 
-                        if (jar == null)
+                    for (Map.Entry<String, int[]> entry : root.getGameVersions().entrySet()) {
+                        Optional<String> gameVersion = VersionNumber.parseVersion(entry.getKey());
+                        if (!gameVersion.isPresent())
                             continue;
-                        versions.put(gameVersion.get(), new RemoteVersion<>(
-                                version.getGameVersion(), version.getVersion(), jar, null
-                        ));
+                        for (int v : entry.getValue()) {
+                            ForgeVersion version = root.getNumber().get(v);
+                            if (version == null)
+                                continue;
+                            String jar = null;
+                            for (String[] file : version.getFiles())
+                                if (file.length > 1 && "installer".equals(file[1])) {
+                                    String classifier = version.getGameVersion() + "-" + version.getVersion()
+                                            + (StringUtils.isNotBlank(version.getBranch()) ? "-" + version.getBranch() : "");
+                                    String fileName = root.getArtifact() + "-" + classifier + "-" + file[1] + "." + file[0];
+                                    jar = downloadProvider.injectURL(root.getWebPath() + classifier + "/" + fileName);
+                                }
+
+                            if (jar == null)
+                                continue;
+                            versions.put(gameVersion.get(), new ForgeRemoteVersion(
+                                    version.getGameVersion(), version.getVersion(), jar
+                            ));
+                        }
                     }
+                } finally {
+                    lock.writeLock().unlock();
                 }
             }
 

HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameAssetDownloadTask.java

@@ -55,7 +55,7 @@ public final class GameAssetDownloadTask extends Task {
      */
     public GameAssetDownloadTask(AbstractDependencyManager dependencyManager, Version version) {
         this.dependencyManager = dependencyManager;
-        this.version = version.requireResolved();
+        this.version = version;
         this.refreshTask = new GameAssetRefreshTask(dependencyManager, version);
         this.dependents.add(refreshTask);
     }
@@ -82,7 +82,7 @@ public final class GameAssetDownloadTask extends Task {
             AssetObject assetObject = entry.getValue();
             String url = dependencyManager.getDownloadProvider().getAssetBaseURL() + assetObject.getLocation();
             if (!FileUtils.makeDirectory(file.getAbsoluteFile().getParentFile())) {
-                Logging.LOG.log(Level.SEVERE, "Unable to create new file {0}, because parent directory cannot be created", file);
+                Logging.LOG.log(Level.SEVERE, "Unable to create new file " + file + ", because parent directory cannot be created");
                 continue;
             }
             if (file.isDirectory())

HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameAssetIndexDownloadTask.java

@@ -49,7 +49,7 @@ public final class GameAssetIndexDownloadTask extends Task {
      */
     public GameAssetIndexDownloadTask(AbstractDependencyManager dependencyManager, Version version) {
         this.dependencyManager = dependencyManager;
-        this.version = version.requireResolved();
+        this.version = version;
         setSignificance(TaskSignificance.MODERATE);
     }
 

HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameAssetRefreshTask.java

@@ -54,7 +54,7 @@ public final class GameAssetRefreshTask extends TaskResult<Collection<Pair<File,
      */
     public GameAssetRefreshTask(AbstractDependencyManager dependencyManager, Version version) {
         this.dependencyManager = dependencyManager;
-        this.version = version.requireResolved();
+        this.version = version;
         this.assetIndexInfo = version.getAssetIndex();
         this.assetIndexFile = dependencyManager.getGameRepository().getIndexFile(version.getId(), assetIndexInfo.getId());
 

HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameLibrariesTask.java

@@ -20,9 +20,7 @@ package org.jackhuang.hmcl.download.game;
 import org.jackhuang.hmcl.download.AbstractDependencyManager;
 import org.jackhuang.hmcl.game.Library;
 import org.jackhuang.hmcl.game.Version;
-import org.jackhuang.hmcl.task.FileDownloadTask;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.NetworkUtils;
 
 import java.io.File;
 import java.util.LinkedList;
@@ -48,7 +46,7 @@ public final class GameLibrariesTask extends Task {
      */
     public GameLibrariesTask(AbstractDependencyManager dependencyManager, Version version) {
         this.dependencyManager = dependencyManager;
-        this.version = version.requireResolved();
+        this.version = version;
         setSignificance(TaskSignificance.MODERATE);
     }
 
@@ -62,9 +60,7 @@ public final class GameLibrariesTask extends Task {
         version.getLibraries().stream().filter(Library::appliesToCurrentEnvironment).forEach(library -> {
             File file = dependencyManager.getGameRepository().getLibraryFile(version, library);
             if (!file.exists())
-                dependencies.add(new FileDownloadTask(
-                        NetworkUtils.toURL(dependencyManager.getDownloadProvider().injectURL(library.getDownload().getUrl())),
-                        file, dependencyManager.getProxy(), library.getDownload().getSha1()));
+                dependencies.add(new LibraryDownloadTask(dependencyManager, file, library));
         });
     }
 

HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameLoggingDownloadTask.java

@@ -49,7 +49,7 @@ public final class GameLoggingDownloadTask extends Task {
      */
     public GameLoggingDownloadTask(DependencyManager dependencyManager, Version version) {
         this.dependencyManager = dependencyManager;
-        this.version = version.requireResolved();
+        this.version = version;
         setSignificance(TaskSignificance.MODERATE);
     }
 

HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameVersionList.java

@@ -50,16 +50,22 @@ public final class GameVersionList extends VersionList<GameRemoteVersionTag> {
 
             @Override
             public void execute() {
-                versions.clear();
+                lock.writeLock().lock();
 
-                GameRemoteVersions root = Constants.GSON.fromJson(task.getResult(), GameRemoteVersions.class);
-                for (GameRemoteVersion remoteVersion : root.getVersions()) {
-                    versions.put(remoteVersion.getGameVersion(), new RemoteVersionGame(
-                            remoteVersion.getGameVersion(),
-                            remoteVersion.getGameVersion(),
-                            remoteVersion.getUrl(),
-                            new GameRemoteVersionTag(remoteVersion.getType(), remoteVersion.getReleaseTime()))
-                    );
+                try {
+                    versions.clear();
+
+                    GameRemoteVersions root = Constants.GSON.fromJson(task.getResult(), GameRemoteVersions.class);
+                    for (GameRemoteVersion remoteVersion : root.getVersions()) {
+                        versions.put(remoteVersion.getGameVersion(), new RemoteVersionGame(
+                                remoteVersion.getGameVersion(),
+                                remoteVersion.getGameVersion(),
+                                remoteVersion.getUrl(),
+                                new GameRemoteVersionTag(remoteVersion.getType(), remoteVersion.getReleaseTime()))
+                        );
+                    }
+                } finally {
+                    lock.writeLock().unlock();
                 }
             }
         };

HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/LibrariesUniqueTask.java

@@ -20,6 +20,7 @@ package org.jackhuang.hmcl.download.game;
 import org.jackhuang.hmcl.game.Library;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.TaskResult;
+import org.jackhuang.hmcl.util.Constants;
 import org.jackhuang.hmcl.util.SimpleMultimap;
 import org.jackhuang.hmcl.util.VersionNumber;
 
@@ -49,6 +50,7 @@ public class LibrariesUniqueTask extends TaskResult<Version> {
         for (Library library : libraries) {
             String id = library.getGroupId() + ":" + library.getArtifactId();
             VersionNumber number = VersionNumber.asVersion(library.getVersion());
+            String serialized = Constants.GSON.toJson(library);
 
             if (versionMap.containsKey(id)) {
                 VersionNumber otherNumber = versionMap.get(id);
@@ -56,8 +58,23 @@ public class LibrariesUniqueTask extends TaskResult<Version> {
                     multimap.removeKey(id);
                     versionMap.put(id, number);
                     multimap.put(id, library);
-                } else if (number.compareTo(otherNumber) == 0) {
-                    multimap.put(id, library);
+                } else if (number.compareTo(otherNumber) == 0) { // same library id.
+                    boolean flag = false;
+                    // prevent from duplicated libraries
+                    for (Library otherLibrary : multimap.get(id))
+                        if (library.equals(otherLibrary)) {
+                            String otherSerialized = Constants.GSON.toJson(otherLibrary);
+                            // A trick, the library that has more information is better, which can be
+                            // considered whose serialized JSON text will be longer.
+                            if (serialized.length() <= otherSerialized.length()) {
+                                flag = true;
+                                break;
+                            } else {
+                                multimap.removeValue(id, otherLibrary);
+                            }
+                        }
+                    if (!flag)
+                        multimap.put(id, library);
                 }
             } else {
                 versionMap.put(id, number);

HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/LibraryDownloadTask.java

@@ -0,0 +1,166 @@
+package org.jackhuang.hmcl.download.game;
+
+import org.apache.commons.compress.compressors.xz.XZCompressorInputStream;
+import org.jackhuang.hmcl.download.AbstractDependencyManager;
+import org.jackhuang.hmcl.game.Library;
+import org.jackhuang.hmcl.task.FileDownloadTask;
+import org.jackhuang.hmcl.task.Task;
+import org.jackhuang.hmcl.util.*;
+
+import java.io.*;
+import java.nio.charset.Charset;
+import java.util.*;
+import java.util.jar.JarEntry;
+import java.util.jar.JarInputStream;
+import java.util.jar.JarOutputStream;
+import java.util.jar.Pack200;
+
+public final class LibraryDownloadTask extends Task {
+    private final FileDownloadTask xzTask;
+    private final FileDownloadTask task;
+    private final File jar;
+    private final File xzFile;
+    private final Library library;
+
+    private boolean downloaded = false;
+
+    public LibraryDownloadTask(AbstractDependencyManager dependencyManager, File file, Library library) {
+        if (library.is("net.minecraftforge", "forge"))
+            library = library.setClassifier("universal");
+
+        this.library = library;
+
+        String url = dependencyManager.getDownloadProvider().injectURL(library.getDownload().getUrl());
+        jar = file;
+
+        xzFile = new File(file.getAbsoluteFile().getParentFile(), file.getName() + ".pack.xz");
+
+        xzTask = new FileDownloadTask(NetworkUtils.toURL(url + ".pack.xz"),
+                xzFile, dependencyManager.getProxy(), null, 1);
+        xzTask.setSignificance(TaskSignificance.MINOR);
+
+        setSignificance(TaskSignificance.MODERATE);
+
+        task = new FileDownloadTask(NetworkUtils.toURL(url),
+                file, dependencyManager.getProxy(), library.getDownload().getSha1());
+    }
+
+    @Override
+    public Collection<? extends Task> getDependents() {
+        return library.getChecksums() != null ? Collections.singleton(xzTask) : Collections.emptySet();
+    }
+
+    @Override
+    public boolean isRelyingOnDependents() {
+        return false;
+    }
+
+    @Override
+    public void execute() throws Exception {
+        if (isDependentsSucceeded() && library.getChecksums() != null) {
+            unpackLibrary(jar, FileUtils.readBytes(xzFile));
+            if (!checksumValid(jar, library.getChecksums()))
+                throw new IOException("Checksum failed for " + library);
+
+            downloaded = true;
+        }
+    }
+
+    @Override
+    public Collection<? extends Task> getDependencies() {
+        return downloaded ? Collections.emptySet() : Collections.singleton(task);
+    }
+
+    private static boolean checksumValid(File libPath, List<String> checksums) {
+        try {
+            if ((checksums == null) || (checksums.isEmpty())) {
+                return true;
+            }
+            byte[] fileData = FileUtils.readBytes(libPath);
+            boolean valid = checksums.contains(DigestUtils.sha1Hex(fileData));
+            if ((!valid) && (libPath.getName().endsWith(".jar"))) {
+            }
+            return validateJar(fileData, checksums);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return false;
+    }
+
+    private static boolean validateJar(byte[] data, List<String> checksums) throws IOException {
+        HashMap<String, String> files = new HashMap<>();
+        String[] hashes = null;
+        JarInputStream jar = new JarInputStream(new ByteArrayInputStream(data));
+        JarEntry entry = jar.getNextJarEntry();
+        while (entry != null) {
+            byte[] eData = IOUtils.readFullyAsByteArray(jar);
+            if (entry.getName().equals("checksums.sha1")) {
+                hashes = new String(eData, Charset.forName("UTF-8")).split("\n");
+            }
+            if (!entry.isDirectory()) {
+                files.put(entry.getName(), DigestUtils.sha1Hex(eData));
+            }
+            entry = jar.getNextJarEntry();
+        }
+        jar.close();
+        if (hashes != null) {
+            boolean passed = !checksums.contains(files.get("checksums.sha1"));
+            if (passed) {
+                for (String hash : hashes) {
+                    if ((!hash.trim().equals("")) && (hash.contains(" "))) {
+                        String[] e = hash.split(" ");
+                        String validChecksum = e[0];
+                        String target = hash.substring(validChecksum.length() + 1);
+                        String checksum = files.get(target);
+                        if ((!files.containsKey(target)) || (checksum == null)) {
+                            Logging.LOG.warning("    " + target + " : missing");
+                            passed = false;
+                            break;
+                        } else if (!checksum.equals(validChecksum)) {
+                            Logging.LOG.warning("    " + target + " : failed (" + checksum + ", " + validChecksum + ")");
+                            passed = false;
+                            break;
+                        }
+                    }
+                }
+            }
+            return passed;
+        }
+        return false;
+    }
+
+    private static void unpackLibrary(File dest, byte[] src) throws IOException {
+        if (dest.exists())
+            if (!dest.delete())
+                throw new IOException("Unable to delete file " + dest);
+
+        byte[] decompressed = IOUtils.readFullyAsByteArray(new XZCompressorInputStream(new ByteArrayInputStream(src)));
+
+        String end = new String(decompressed, decompressed.length - 4, 4);
+        if (!end.equals("SIGN"))
+            throw new IOException("Unpacking failed, signature missing " + end);
+
+        int x = decompressed.length;
+        int len = decompressed[(x - 8)] & 0xFF | (decompressed[(x - 7)] & 0xFF) << 8 | (decompressed[(x - 6)] & 0xFF) << 16 | (decompressed[(x - 5)] & 0xFF) << 24;
+
+        File temp = FileUtils.createTempFile("minecraft", ".pack");
+
+        byte[] checksums = Arrays.copyOfRange(decompressed, decompressed.length - len - 8, decompressed.length - 8);
+
+        OutputStream out = new FileOutputStream(temp);
+        out.write(decompressed, 0, decompressed.length - len - 8);
+        out.close();
+
+        try (FileOutputStream jarBytes = new FileOutputStream(dest); JarOutputStream jos = new JarOutputStream(jarBytes)) {
+            Pack200.newUnpacker().unpack(temp, jos);
+
+            JarEntry checksumsFile = new JarEntry("checksums.sha1");
+            checksumsFile.setTime(0L);
+            jos.putNextEntry(checksumsFile);
+            jos.write(checksums);
+            jos.closeEntry();
+        }
+
+        temp.delete();
+    }
+}

HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/VersionJsonSaveTask.java

@@ -40,11 +40,11 @@ public final class VersionJsonSaveTask extends Task {
      * Constructor.
      *
      * @param repository the game repository
-     * @param version the **resolved** version
+     * @param version the game version
      */
     public VersionJsonSaveTask(DefaultGameRepository repository, Version version) {
         this.repository = repository;
-        this.version = version.requireResolved();
+        this.version = version;
 
         setSignificance(TaskSignificance.MODERATE);
     }

HMCLCore/src/main/java/org/jackhuang/hmcl/download/liteloader/LiteLoaderInstallTask.java

@@ -18,7 +18,6 @@
 package org.jackhuang.hmcl.download.liteloader;
 
 import org.jackhuang.hmcl.download.DefaultDependencyManager;
-import org.jackhuang.hmcl.download.RemoteVersion;
 import org.jackhuang.hmcl.download.game.GameLibrariesTask;
 import org.jackhuang.hmcl.game.LibrariesDownloadInfo;
 import org.jackhuang.hmcl.game.Library;
@@ -41,32 +40,15 @@ import java.util.List;
 public final class LiteLoaderInstallTask extends TaskResult<Version> {
 
     private final DefaultDependencyManager dependencyManager;
-    private final String gameVersion;
     private final Version version;
-    private final String remoteVersion;
-    private final LiteLoaderVersionList liteLoaderVersionList;
-    private RemoteVersion<LiteLoaderRemoteVersionTag> remote;
+    private LiteLoaderRemoteVersion remote;
     private final List<Task> dependents = new LinkedList<>();
     private final List<Task> dependencies = new LinkedList<>();
 
-    private void doRemote() {
-        remote = liteLoaderVersionList.getVersion(gameVersion, remoteVersion)
-                .orElseThrow(() -> new IllegalArgumentException("Remote LiteLoader version " + gameVersion + ", " + remoteVersion + " not found"));
-    }
-
-    public LiteLoaderInstallTask(DefaultDependencyManager dependencyManager, String gameVersion, Version version, String remoteVersion) {
+    public LiteLoaderInstallTask(DefaultDependencyManager dependencyManager, Version version, LiteLoaderRemoteVersion remoteVersion) {
         this.dependencyManager = dependencyManager;
-        this.gameVersion = gameVersion;
         this.version = version;
-        this.remoteVersion = remoteVersion;
-
-        liteLoaderVersionList = (LiteLoaderVersionList) dependencyManager.getVersionList("liteloader");
-
-        if (!liteLoaderVersionList.isLoaded())
-            dependents.add(liteLoaderVersionList.refreshAsync(dependencyManager.getDownloadProvider())
-                    .then(Task.of(this::doRemote)));
-        else
-            doRemote();
+        this.remote = remoteVersion;
     }
 
     @Override

HMCLCore/src/main/java/org/jackhuang/hmcl/download/liteloader/LiteLoaderRemoteVersion.java

@@ -0,0 +1,36 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2017  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hmcl.download.liteloader;
+
+import org.jackhuang.hmcl.download.RemoteVersion;
+import org.jackhuang.hmcl.game.Library;
+
+import java.util.Collection;
+
+public class LiteLoaderRemoteVersion extends RemoteVersion<LiteLoaderRemoteVersionTag> {
+    /**
+     * Constructor.
+     *
+     * @param gameVersion the Minecraft version that this remote version suits.
+     * @param selfVersion the version string of the remote version.
+     * @param url         the installer or universal jar URL.
+     */
+    LiteLoaderRemoteVersion(String gameVersion, String selfVersion, String url, String tweakClass, Collection<Library> libraries) {
+        super(gameVersion, selfVersion, url, new LiteLoaderRemoteVersionTag(tweakClass, libraries));
+    }
+}

HMCLCore/src/main/java/org/jackhuang/hmcl/download/liteloader/LiteLoaderVersionList.java

@@ -18,7 +18,6 @@
 package org.jackhuang.hmcl.download.liteloader;
 
 import org.jackhuang.hmcl.download.DownloadProvider;
-import org.jackhuang.hmcl.download.RemoteVersion;
 import org.jackhuang.hmcl.download.VersionList;
 import org.jackhuang.hmcl.task.GetTask;
 import org.jackhuang.hmcl.task.Task;
@@ -58,17 +57,23 @@ public final class LiteLoaderVersionList extends VersionList<LiteLoaderRemoteVer
 
             @Override
             public void execute() {
-                LiteLoaderVersionsRoot root = Constants.GSON.fromJson(task.getResult(), LiteLoaderVersionsRoot.class);
-                versions.clear();
+                lock.writeLock().lock();
 
-                for (Map.Entry<String, LiteLoaderGameVersions> entry : root.getVersions().entrySet()) {
-                    String gameVersion = entry.getKey();
-                    LiteLoaderGameVersions liteLoader = entry.getValue();
-                    Optional<String> gg = VersionNumber.parseVersion(gameVersion);
-                    if (!gg.isPresent())
-                        continue;
-                    doBranch(gg.get(), gameVersion, liteLoader.getRepoitory(), liteLoader.getArtifacts(), false);
-                    doBranch(gg.get(), gameVersion, liteLoader.getRepoitory(), liteLoader.getSnapshots(), true);
+                try {
+                    LiteLoaderVersionsRoot root = Constants.GSON.fromJson(task.getResult(), LiteLoaderVersionsRoot.class);
+                    versions.clear();
+
+                    for (Map.Entry<String, LiteLoaderGameVersions> entry : root.getVersions().entrySet()) {
+                        String gameVersion = entry.getKey();
+                        LiteLoaderGameVersions liteLoader = entry.getValue();
+                        Optional<String> gg = VersionNumber.parseVersion(gameVersion);
+                        if (!gg.isPresent())
+                            continue;
+                        doBranch(gg.get(), gameVersion, liteLoader.getRepoitory(), liteLoader.getArtifacts(), false);
+                        doBranch(gg.get(), gameVersion, liteLoader.getRepoitory(), liteLoader.getSnapshots(), true);
+                    }
+                } finally {
+                    lock.writeLock().unlock();
                 }
             }
 
@@ -92,9 +97,9 @@ public final class LiteLoaderVersionList extends VersionList<LiteLoaderRemoteVer
                         }
                     }
 
-                    versions.put(key, new RemoteVersion<>(gameVersion,
+                    versions.put(key, new LiteLoaderRemoteVersion(gameVersion,
                             version, downloadProvider.injectURL(url),
-                            new LiteLoaderRemoteVersionTag(v.getTweakClass(), v.getLibraries())
+                            v.getTweakClass(), v.getLibraries()
                     ));
                 }
             }

HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineBMCLVersionList.java

@@ -19,7 +19,6 @@ package org.jackhuang.hmcl.download.optifine;
 
 import com.google.gson.reflect.TypeToken;
 import org.jackhuang.hmcl.download.DownloadProvider;
-import org.jackhuang.hmcl.download.RemoteVersion;
 import org.jackhuang.hmcl.download.VersionList;
 import org.jackhuang.hmcl.task.GetTask;
 import org.jackhuang.hmcl.task.Task;
@@ -67,7 +66,7 @@ public final class OptiFineBMCLVersionList extends VersionList<Void> {
                     if (StringUtils.isBlank(element.getGameVersion()))
                         continue;
                     VersionNumber.parseVersion(element.getGameVersion())
-                            .ifPresent(gameVersion -> versions.put(gameVersion, new RemoteVersion<>(gameVersion, version, mirror, null)));
+                            .ifPresent(gameVersion -> versions.put(gameVersion, new OptiFineRemoteVersion(gameVersion, version, () -> mirror)));
                 }
             }
         };

HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineInstallTask.java

@@ -18,8 +18,6 @@
 package org.jackhuang.hmcl.download.optifine;
 
 import org.jackhuang.hmcl.download.DefaultDependencyManager;
-import org.jackhuang.hmcl.download.RemoteVersion;
-import org.jackhuang.hmcl.download.VersionList;
 import org.jackhuang.hmcl.download.game.GameLibrariesTask;
 import org.jackhuang.hmcl.game.*;
 import org.jackhuang.hmcl.task.Task;
@@ -39,32 +37,15 @@ import java.util.List;
 public final class OptiFineInstallTask extends TaskResult<Version> {
 
     private final DefaultDependencyManager dependencyManager;
-    private final String gameVersion;
     private final Version version;
-    private final String remoteVersion;
-    private final VersionList<?> optiFineVersionList;
-    private RemoteVersion<?> remote;
+    private OptiFineRemoteVersion remote;
     private final List<Task> dependents = new LinkedList<>();
     private final List<Task> dependencies = new LinkedList<>();
 
-    private void doRemote() {
-        remote = optiFineVersionList.getVersion(gameVersion, remoteVersion)
-                .orElseThrow(() -> new IllegalArgumentException("Remote OptiFine version " + gameVersion + ", " + remoteVersion + " not found"));
-    }
-
-    public OptiFineInstallTask(DefaultDependencyManager dependencyManager, String gameVersion, Version version, String remoteVersion) {
+    public OptiFineInstallTask(DefaultDependencyManager dependencyManager, Version version, OptiFineRemoteVersion remoteVersion) {
         this.dependencyManager = dependencyManager;
-        this.gameVersion = gameVersion;
         this.version = version;
-        this.remoteVersion = remoteVersion;
-
-        optiFineVersionList = dependencyManager.getVersionList("optifine");
-
-        if (!optiFineVersionList.isLoaded())
-            dependents.add(optiFineVersionList.refreshAsync(dependencyManager.getDownloadProvider())
-                    .then(Task.of(this::doRemote)));
-        else
-            doRemote();
+        this.remote = remoteVersion;
     }
 
     @Override
@@ -89,6 +70,8 @@ public final class OptiFineInstallTask extends TaskResult<Version> {
 
     @Override
     public void execute() {
+        String remoteVersion = remote.getSelfVersion();
+
         Library library = new Library(
                 "net.optifine", "optifine", remoteVersion, null, null,
                 new LibrariesDownloadInfo(new LibraryDownloadInfo(

HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineRemoteVersion.java

@@ -24,8 +24,8 @@ import java.util.function.Supplier;
 public class OptiFineRemoteVersion extends RemoteVersion<Void> {
     private final Supplier<String> url;
 
-    public OptiFineRemoteVersion(String gameVersion, String selfVersion, Supplier<String> url, Void tag) {
-        super(gameVersion, selfVersion, "", tag);
+    public OptiFineRemoteVersion(String gameVersion, String selfVersion, Supplier<String> url) {
+        super(gameVersion, selfVersion, "", null);
 
         this.url = url;
     }

HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineVersionList.java

@@ -61,48 +61,54 @@ public final class OptiFineVersionList extends VersionList<Void> {
 
             @Override
             public void execute() throws Exception {
-                versions.clear();
+                lock.writeLock().lock();
 
-                String html = task.getResult().replace("&nbsp;", " ").replace("&gt;", ">").replace("&lt;", "<").replace("<br>", "<br />");
+                try {
+                    versions.clear();
 
-                DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
-                DocumentBuilder db = factory.newDocumentBuilder();
-                Document doc = db.parse(new ByteArrayInputStream(html.getBytes("UTF-8")));
-                Element r = doc.getDocumentElement();
-                NodeList tables = r.getElementsByTagName("table");
-                for (int i = 0; i < tables.getLength(); i++) {
-                    Element e = (Element) tables.item(i);
-                    if ("downloadTable".equals(e.getAttribute("class"))) {
-                        NodeList tr = e.getElementsByTagName("tr");
-                        for (int k = 0; k < tr.getLength(); k++) {
-                            NodeList downloadLine = ((Element) tr.item(k)).getElementsByTagName("td");
-                            String url = null, version = null, gameVersion = null;
-                            for (int j = 0; j < downloadLine.getLength(); j++) {
-                                Element td = (Element) downloadLine.item(j);
-                                if (td.getAttribute("class") != null && td.getAttribute("class").startsWith("downloadLineMirror"))
-                                    url = ((Element) td.getElementsByTagName("a").item(0)).getAttribute("href");
-                                if (td.getAttribute("class") != null && td.getAttribute("class").startsWith("downloadLineFile"))
-                                    version = td.getTextContent();
+                    String html = task.getResult().replace("&nbsp;", " ").replace("&gt;", ">").replace("&lt;", "<").replace("<br>", "<br />");
+
+                    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+                    DocumentBuilder db = factory.newDocumentBuilder();
+                    Document doc = db.parse(new ByteArrayInputStream(html.getBytes("UTF-8")));
+                    Element r = doc.getDocumentElement();
+                    NodeList tables = r.getElementsByTagName("table");
+                    for (int i = 0; i < tables.getLength(); i++) {
+                        Element e = (Element) tables.item(i);
+                        if ("downloadTable".equals(e.getAttribute("class"))) {
+                            NodeList tr = e.getElementsByTagName("tr");
+                            for (int k = 0; k < tr.getLength(); k++) {
+                                NodeList downloadLine = ((Element) tr.item(k)).getElementsByTagName("td");
+                                String url = null, version = null, gameVersion = null;
+                                for (int j = 0; j < downloadLine.getLength(); j++) {
+                                    Element td = (Element) downloadLine.item(j);
+                                    if (td.getAttribute("class") != null && td.getAttribute("class").startsWith("downloadLineMirror"))
+                                        url = ((Element) td.getElementsByTagName("a").item(0)).getAttribute("href");
+                                    if (td.getAttribute("class") != null && td.getAttribute("class").startsWith("downloadLineFile"))
+                                        version = td.getTextContent();
+                                }
+                                if (version == null || url == null)
+                                    continue;
+
+                                Matcher matcher = PATTERN.matcher(version);
+                                while (matcher.find())
+                                    gameVersion = matcher.group(1);
+                                if (gameVersion == null)
+                                    continue;
+
+                                String finalURL = url;
+                                versions.put(gameVersion, new OptiFineRemoteVersion(gameVersion, version, Lang.hideException(() -> getLink(finalURL))));
                             }
-                            if (version == null || url == null)
-                                continue;
-
-                            Matcher matcher = PATTERN.matcher(version);
-                            while (matcher.find())
-                                gameVersion = matcher.group(1);
-                            if (gameVersion == null)
-                                continue;
-
-                            String finalURL = url;
-                            versions.put(gameVersion, new OptiFineRemoteVersion(gameVersion, version, Lang.hideException(() -> getLink(finalURL)), null));
                         }
                     }
+                } finally {
+                    lock.writeLock().unlock();
                 }
             }
         };
     }
 
-    public static String getLink(String url) throws IOException {
+    private static String getLink(String url) throws IOException {
         String result = null;
         String content = NetworkUtils.doGet(NetworkUtils.toURL(url));
         Matcher m = LINK_PATTERN.matcher(content);

HMCLCore/src/main/java/org/jackhuang/hmcl/event/Event.java

@@ -17,6 +17,8 @@
  */
 package org.jackhuang.hmcl.event;
 
+import org.jackhuang.hmcl.util.ToStringBuilder;
+
 import java.util.Objects;
 
 /**
@@ -28,13 +30,13 @@ public class Event {
     /**
      * The object on which the Event initially occurred.
      */
-    protected transient Object  source;
+    protected transient Object source;
 
     /**
      * Constructs a prototypical Event.
      *
      * @param source The object on which the Event initially occurred.
-     * @throws  NullPointerException  if source is null.
+     * @throws NullPointerException if source is null.
      */
     public Event(Object source) {
         Objects.requireNonNull(source);
@@ -54,10 +56,10 @@ public class Event {
     /**
      * Returns a String representation of this Event.
      *
-     * @return  A a String representation of this Event.
+     * @return A a String representation of this Event.
      */
     public String toString() {
-        return getClass().getName() + "[source=" + source + "]";
+        return new ToStringBuilder(this).append("source", source).toString();
     }
 
     private boolean canceled;
@@ -72,7 +74,6 @@ public class Event {
     }
 
     /**
-     *
      * @param canceled new value
      * @throws UnsupportedOperationException if trying to cancel a non-cancelable event.
      */

HMCLCore/src/main/java/org/jackhuang/hmcl/event/EventBus.java

@@ -17,6 +17,8 @@
  */
 package org.jackhuang.hmcl.event;
 
+import org.jackhuang.hmcl.util.Logging;
+
 import java.util.HashMap;
 
 /**
@@ -36,6 +38,8 @@ public final class EventBus {
 
     @SuppressWarnings("unchecked")
     public Event.Result fireEvent(Event obj) {
+        Logging.LOG.info(obj + " gets fired");
+
         return channel((Class<Event>) obj.getClass()).fireEvent(obj);
     }
 

HMCLCore/src/main/java/org/jackhuang/hmcl/event/GameJsonParseFailedEvent.java

@@ -17,6 +17,8 @@
  */
 package org.jackhuang.hmcl.event;
 
+import org.jackhuang.hmcl.util.ToStringBuilder;
+
 import java.io.File;
 
 /**
@@ -49,4 +51,13 @@ public final class GameJsonParseFailedEvent extends Event {
     public String getVersion() {
         return version;
     }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this)
+                .append("source", source)
+                .append("jsonFile", jsonFile)
+                .append("version", version)
+                .toString();
+    }
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/event/JVMLaunchFailedEvent.java

@@ -18,6 +18,7 @@
 package org.jackhuang.hmcl.event;
 
 import org.jackhuang.hmcl.util.ManagedProcess;
+import org.jackhuang.hmcl.util.ToStringBuilder;
 
 /**
  * This event gets fired when we launch the JVM and it got crashed.
@@ -44,4 +45,12 @@ public class JVMLaunchFailedEvent extends Event {
     public ManagedProcess getProcess() {
         return process;
     }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this)
+                .append("source", source)
+                .append("process", process)
+                .toString();
+    }
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/event/LoadedOneVersionEvent.java

@@ -18,6 +18,7 @@
 package org.jackhuang.hmcl.event;
 
 import org.jackhuang.hmcl.game.Version;
+import org.jackhuang.hmcl.util.ToStringBuilder;
 
 /**
  * This event gets fired when a minecraft version has been loaded.
@@ -48,4 +49,12 @@ public final class LoadedOneVersionEvent extends Event {
     public boolean hasResult() {
         return true;
     }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this)
+                .append("source", source)
+                .append("version", version)
+                .toString();
+    }
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/event/ProcessExitedAbnormallyEvent.java

@@ -18,6 +18,7 @@
 package org.jackhuang.hmcl.event;
 
 import org.jackhuang.hmcl.util.ManagedProcess;
+import org.jackhuang.hmcl.util.ToStringBuilder;
 
 /**
  * This event gets fired when a JavaProcess exited abnormally and the exit code is not zero.
@@ -44,4 +45,12 @@ public final class ProcessExitedAbnormallyEvent extends Event {
     public ManagedProcess getProcess() {
         return process;
     }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this)
+                .append("source", source)
+                .append("process", process)
+                .toString();
+    }
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/event/ProcessStoppedEvent.java

@@ -18,6 +18,7 @@
 package org.jackhuang.hmcl.event;
 
 import org.jackhuang.hmcl.util.ManagedProcess;
+import org.jackhuang.hmcl.util.ToStringBuilder;
 
 /**
  * This event gets fired when minecraft process exited successfully and the exit code is 0.
@@ -44,4 +45,12 @@ public class ProcessStoppedEvent extends Event {
     public ManagedProcess getProcess() {
         return process;
     }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this)
+                .append("source", source)
+                .append("process", process)
+                .toString();
+    }
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/event/RefreshingVersionsEvent.java

@@ -35,4 +35,8 @@ public final class RefreshingVersionsEvent extends Event {
         super(source);
     }
 
+    @Override
+    public boolean hasResult() {
+        return true;
+    }
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/event/RemoveVersionEvent.java

@@ -0,0 +1,59 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hmcl.event;
+
+import org.jackhuang.hmcl.util.ToStringBuilder;
+
+/**
+ * This event gets fired when a minecraft version is being removed.
+ * <br>
+ * This event is fired on the {@link org.jackhuang.hmcl.event.EventBus#EVENT_BUS}
+ *
+ * @author huangyuhui
+ */
+public class RemoveVersionEvent extends Event {
+
+    private final String version;
+
+    /**
+     *
+     * @param source {@link org.jackhuang.hmcl.game.GameRepository}
+     * @param version the version id.
+     */
+    public RemoveVersionEvent(Object source, String version) {
+        super(source);
+        this.version = version;
+    }
+
+    public String getVersion() {
+        return version;
+    }
+
+    @Override
+    public boolean hasResult() {
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this)
+                .append("source", source)
+                .append("version", version)
+                .toString();
+    }
+}

HMCLCore/src/main/java/org/jackhuang/hmcl/event/RenameVersionEvent.java

@@ -0,0 +1,65 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hmcl.event;
+
+import org.jackhuang.hmcl.util.ToStringBuilder;
+
+/**
+ * This event gets fired when a minecraft version is being removed.
+ * <br>
+ * This event is fired on the {@link org.jackhuang.hmcl.event.EventBus#EVENT_BUS}
+ *
+ * @author huangyuhui
+ */
+public class RenameVersionEvent extends Event {
+
+    private final String from, to;
+
+    /**
+     *
+     * @param source {@link org.jackhuang.hmcl.game.GameRepository}
+     * @param from the version id.
+     */
+    public RenameVersionEvent(Object source, String from, String to) {
+        super(source);
+        this.from = from;
+        this.to = to;
+    }
+
+    public String getFromVersion() {
+        return from;
+    }
+
+    public String getToVersion() {
+        return to;
+    }
+
+    @Override
+    public boolean hasResult() {
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this)
+                .append("source", source)
+                .append("from", from)
+                .append("to", to)
+                .toString();
+    }
+}

HMCLCore/src/main/java/org/jackhuang/hmcl/game/ClassicVersion.java

@@ -40,7 +40,7 @@ public class ClassicVersion extends Version {
         public ClassicLibrary(String name) {
             super("", "", "", null, null,
                     new LibrariesDownloadInfo(new LibraryDownloadInfo("bin/" + name + ".jar"), null),
-                    false, null, null, null);
+                    false, null, null, null, null);
         }
     }
 

HMCLCore/src/main/java/org/jackhuang/hmcl/game/DefaultGameRepository.java

@@ -24,6 +24,7 @@ import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.util.Constants;
 import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.ToStringBuilder;
 
 import java.io.File;
 import java.io.IOException;
@@ -116,6 +117,9 @@ public class DefaultGameRepository implements GameRepository {
 
     @Override
     public boolean renameVersion(String from, String to) {
+        if (EventBus.EVENT_BUS.fireEvent(new RenameVersionEvent(this, from, to)) == Event.Result.DENY)
+            return false;
+
         try {
             Version fromVersion = getVersion(from);
             File fromDir = getVersionRoot(from);
@@ -145,6 +149,8 @@ public class DefaultGameRepository implements GameRepository {
     public boolean removeVersionFromDisk(String id) {
         if (!versions.containsKey(id))
             return true;
+        if (EventBus.EVENT_BUS.fireEvent(new RemoveVersionEvent(this, id)) == Event.Result.DENY)
+            return false;
         File file = getVersionRoot(id);
         if (!file.exists())
             return true;
@@ -201,7 +207,7 @@ public class DefaultGameRepository implements GameRepository {
                         try {
                             FileUtils.writeText(json, Constants.GSON.toJson(version));
                         } catch (Exception e) {
-                            Logging.LOG.log(Level.WARNING, "Ignoring version {0} because wrong id {1} is set and cannot correct it.", new Object[]{id, version.getId()});
+                            Logging.LOG.log(Level.WARNING, "Ignoring version " + id + " because wrong id " + version.getId() + " is set and cannot correct it.");
                             continue;
                         }
                     }
@@ -217,7 +223,7 @@ public class DefaultGameRepository implements GameRepository {
                         EventBus.EVENT_BUS.fireEvent(new LoadedOneVersionEvent(this, resolved)) != Event.Result.DENY)
                     versions.put(version.getId(), version);
             } catch (VersionNotFoundException e) {
-                Logging.LOG.log(Level.WARNING, "Ignoring version {0} because it inherits from a nonexistent version.", version.getId());
+                Logging.LOG.log(Level.WARNING, "Ignoring version " + version.getId() + " because it inherits from a nonexistent version.");
             }
         }
 
@@ -227,7 +233,9 @@ public class DefaultGameRepository implements GameRepository {
 
     @Override
     public void refreshVersions() {
-        EventBus.EVENT_BUS.fireEvent(new RefreshingVersionsEvent(this));
+        if (EventBus.EVENT_BUS.fireEvent(new RefreshingVersionsEvent(this)) == Event.Result.DENY)
+            return;
+
         Schedulers.newThread().schedule(() -> {
             refreshVersionsImpl();
             EventBus.EVENT_BUS.fireEvent(new RefreshedVersionsEvent(this));
@@ -337,4 +345,11 @@ public class DefaultGameRepository implements GameRepository {
         return getModpackConfiguration(version).exists();
     }
 
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this)
+                .append("versions", versions == null ? null : versions.keySet())
+                .append("baseDirectory", baseDirectory)
+                .toString();
+    }
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/game/GameVersion.java

@@ -116,7 +116,7 @@ public final class GameVersion {
                     .getEntry("net/minecraft/client/Minecraft.class");
             if (minecraft != null)
                 return getVersionOfOldMinecraft(f, minecraft);
-            ZipArchiveEntry main = f.getEntry("net/minecraft/client/main/Main.class");
+            ZipArchiveEntry main = f.getEntry("net/minecraft/client/main/Launcher.class");
             ZipArchiveEntry minecraftServer = f.getEntry("net/minecraft/server/MinecraftServer.class");
             if ((main != null) && (minecraftServer != null))
                 return getVersionOfNewMinecraft(f, minecraftServer);

HMCLCore/src/main/java/org/jackhuang/hmcl/game/Library.java

@@ -48,6 +48,7 @@ public class Library implements Comparable<Library> {
     private final boolean lateload;
     private final Map<OperatingSystem, String> natives;
     private final List<CompatibilityRule> rules;
+    private final List<String> checksums;
 
     private final String path;
 
@@ -60,10 +61,10 @@ public class Library implements Comparable<Library> {
     }
 
     public Library(String groupId, String artifactId, String version, String classifier, String url, LibrariesDownloadInfo downloads, boolean lateload) {
-        this(groupId, artifactId, version, classifier, url, downloads, lateload, null, null, null);
+        this(groupId, artifactId, version, classifier, url, downloads, lateload, null, null, null, null);
     }
 
-    public Library(String groupId, String artifactId, String version, String classifier, String url, LibrariesDownloadInfo downloads, boolean lateload, ExtractRules extract, Map<OperatingSystem, String> natives, List<CompatibilityRule> rules) {
+    public Library(String groupId, String artifactId, String version, String classifier, String url, LibrariesDownloadInfo downloads, boolean lateload, List<String> checksums, ExtractRules extract, Map<OperatingSystem, String> natives, List<CompatibilityRule> rules) {
         this.groupId = groupId;
         this.artifactId = artifactId;
         this.version = version;
@@ -80,6 +81,7 @@ public class Library implements Comparable<Library> {
         this.lateload = lateload;
         this.natives = natives;
         this.rules = rules;
+        this.checksums = checksums;
 
         LibraryDownloadInfo temp = null;
         if (downloads != null)
@@ -141,6 +143,14 @@ public class Library implements Comparable<Library> {
         return lateload;
     }
 
+    public List<String> getChecksums() {
+        return checksums;
+    }
+
+    public boolean is(String groupId, String artifactId) {
+        return this.groupId.equals(groupId) && this.artifactId.equals(artifactId);
+    }
+
     @Override
     public String toString() {
         return new ToStringBuilder(this).append("name", getName()).toString();
@@ -168,16 +178,20 @@ public class Library implements Comparable<Library> {
         return Objects.hash(getName(), isNative());
     }
 
-    public static Library fromName(String name) {
-        return fromName(name, null, null, null, null, null);
+    public Library setClassifier(String classifier) {
+        return new Library(groupId, artifactId, version, classifier, url, downloads, lateload, checksums, extract, natives, rules);
     }
 
-    public static Library fromName(String name, String url, LibrariesDownloadInfo downloads, ExtractRules extract, Map<OperatingSystem, String> natives, List<CompatibilityRule> rules) {
+    public static Library fromName(String name) {
+        return fromName(name, null, null, null, null, null, null);
+    }
+
+    public static Library fromName(String name, String url, LibrariesDownloadInfo downloads, List<String> checksums, ExtractRules extract, Map<OperatingSystem, String> natives, List<CompatibilityRule> rules) {
         String[] arr = name.split(":", 4);
         if (arr.length != 3 && arr.length != 4)
             throw new IllegalArgumentException("Library name is malformed. Correct example: group:artifact:version(:classifier).");
 
-        return new Library(arr[0].replace("\\", "/"), arr[1], arr[2], arr.length >= 4 ? arr[3] : null, url, downloads, false, extract, natives, rules);
+        return new Library(arr[0].replace("\\", "/"), arr[1], arr[2], arr.length >= 4 ? arr[3] : null, url, downloads, false, checksums, extract, natives, rules);
     }
 
     public static class Serializer implements JsonDeserializer<Library>, JsonSerializer<Library> {
@@ -198,6 +212,8 @@ public class Library implements Comparable<Library> {
                     jsonObject.get("name").getAsString(),
                     jsonObject.has("url") ? jsonObject.get("url").getAsString() : null,
                     context.deserialize(jsonObject.get("downloads"), LibrariesDownloadInfo.class),
+                    context.deserialize(jsonObject.get("checksums"), new TypeToken<List<String>>() {
+                    }.getType()),
                     context.deserialize(jsonObject.get("extract"), ExtractRules.class),
                     context.deserialize(jsonObject.get("natives"), new TypeToken<Map<OperatingSystem, String>>() {
                     }.getType()),