fix(multiplayer): force using authlib-injector in multiplayer mode.

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

@@ -72,7 +72,7 @@ import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
 public final class LauncherHelper {
 
     private final Profile profile;
-    private final Account account;
+    private Account account;
     private final String selectedVersion;
     private File scriptFile;
     private final VersionSetting setting;
@@ -91,6 +91,14 @@ public final class LauncherHelper {
 
     private final TaskExecutorDialogPane launchingStepsPane = new TaskExecutorDialogPane(TaskCancellationAction.NORMAL);
 
+    public Account getAccount() {
+        return account;
+    }
+
+    public void setAccount(Account account) {
+        this.account = account;
+    }
+
     public void setTestMode() {
         launcherVisibility = LauncherVisibility.KEEP;
         showLogs = true;

HMCL/src/main/java/org/jackhuang/hmcl/ui/multiplayer/MultiplayerOfflineAccount.java

@@ -0,0 +1,36 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2022  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.ui.multiplayer;
+
+import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorArtifactProvider;
+import org.jackhuang.hmcl.auth.offline.OfflineAccount;
+import org.jackhuang.hmcl.auth.offline.Skin;
+
+import java.util.UUID;
+
+public class MultiplayerOfflineAccount extends OfflineAccount {
+
+    public MultiplayerOfflineAccount(AuthlibInjectorArtifactProvider downloader, String username, UUID uuid, Skin skin) {
+        super(downloader, username, uuid, skin);
+    }
+
+    @Override
+    protected boolean loadAuthlibInjector(Skin skin) {
+        return true;
+    }
+}

HMCL/src/main/java/org/jackhuang/hmcl/ui/multiplayer/MultiplayerPage.java

@@ -22,14 +22,19 @@ import com.jfoenix.controls.JFXDialogLayout;
 import javafx.beans.property.*;
 import javafx.scene.control.Label;
 import javafx.scene.control.Skin;
+import org.jackhuang.hmcl.auth.Account;
+import org.jackhuang.hmcl.auth.offline.OfflineAccount;
 import org.jackhuang.hmcl.event.Event;
 import org.jackhuang.hmcl.setting.DownloadProviders;
+import org.jackhuang.hmcl.setting.Profile;
+import org.jackhuang.hmcl.setting.Profiles;
 import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.construct.*;
 import org.jackhuang.hmcl.ui.decorator.DecoratorAnimatedPage;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
+import org.jackhuang.hmcl.ui.versions.Versions;
 import org.jackhuang.hmcl.util.HMCLService;
 import org.jackhuang.hmcl.util.StringUtils;
 import org.jackhuang.hmcl.util.TaskCancellationAction;
@@ -135,6 +140,23 @@ public class MultiplayerPage extends DecoratorAnimatedPage implements DecoratorP
         return session.getReadOnlyProperty();
     }
 
+    void launchGame() {
+        Profile profile = Profiles.getSelectedProfile();
+        Versions.launch(profile, profile.getSelectedVersion(), (launcherHelper) -> {
+            launcherHelper.setKeep();
+            Account account = launcherHelper.getAccount();
+            if (account instanceof OfflineAccount && !(account instanceof MultiplayerOfflineAccount)) {
+                OfflineAccount offlineAccount = (OfflineAccount) account;
+                launcherHelper.setAccount(new MultiplayerOfflineAccount(
+                        offlineAccount.getDownloader(),
+                        offlineAccount.getUsername(),
+                        offlineAccount.getUUID(),
+                        offlineAccount.getSkin()
+                ));
+            }
+        });
+    }
+
     private void checkAgreement(Runnable runnable) {
         if (globalConfig().getMultiplayerAgreementVersion() < MultiplayerManager.HIPER_AGREEMENT_VERSION) {
             JFXDialogLayout agreementPane = new JFXDialogLayout();

HMCL/src/main/java/org/jackhuang/hmcl/ui/multiplayer/MultiplayerPageSkin.java

@@ -33,9 +33,6 @@ import javafx.scene.control.ScrollPane;
 import javafx.scene.layout.*;
 import javafx.stage.FileChooser;
 import javafx.util.StringConverter;
-import org.jackhuang.hmcl.game.LauncherHelper;
-import org.jackhuang.hmcl.setting.Profile;
-import org.jackhuang.hmcl.setting.Profiles;
 import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.FXUtils;
@@ -43,7 +40,6 @@ import org.jackhuang.hmcl.ui.SVG;
 import org.jackhuang.hmcl.ui.construct.*;
 import org.jackhuang.hmcl.ui.construct.MessageDialogPane.MessageType;
 import org.jackhuang.hmcl.ui.decorator.DecoratorAnimatedPage;
-import org.jackhuang.hmcl.ui.versions.Versions;
 import org.jackhuang.hmcl.util.HMCLService;
 import org.jackhuang.hmcl.util.Lang;
 import org.jackhuang.hmcl.util.StringUtils;
@@ -80,8 +76,7 @@ public class MultiplayerPageSkin extends DecoratorAnimatedPage.DecoratorAnimated
                         item.setTitle(i18n("version.launch"));
                         item.setLeftGraphic(wrap(SVG::rocketLaunchOutline));
                         item.setOnAction(e -> {
-                            Profile profile = Profiles.getSelectedProfile();
+                            control.launchGame();
-                            Versions.launch(profile, profile.getSelectedVersion(), LauncherHelper::setKeep);
                         });
                     })
                     .startCategory(i18n("help"))

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/offline/OfflineAccount.java

@@ -67,6 +67,10 @@ public class OfflineAccount extends Account {
         }
     }
 
+    public AuthlibInjectorArtifactProvider getDownloader() {
+        return downloader;
+    }
+
     @Override
     public UUID getUUID() {
         return uuid;
@@ -91,7 +95,7 @@ public class OfflineAccount extends Account {
         invalidate();
     }
 
-    private boolean loadAuthlibInjector(Skin skin) {
+    protected boolean loadAuthlibInjector(Skin skin) {
         if (skin == null) return false;
         if (skin.getType() == Skin.Type.DEFAULT) return false;
         TextureModel defaultModel = TextureModel.detectUUID(getUUID());
@@ -158,7 +162,8 @@ public class OfflineAccount extends Account {
             server.start();
 
             try {
-                server.addCharacter(new YggdrasilServer.Character(uuid, username, skin.load(username).run()));
+                server.addCharacter(new YggdrasilServer.Character(uuid, username,
+                        skin != null ? skin.load(username).run() : null));
             } catch (IOException e) {
                 // ignore
             } catch (Exception e) {