Make background transparent?

HMCL/src/main/java/org/jackhuang/hmcl/game/AccountHelper.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.game;
+
+import javafx.geometry.Rectangle2D;
+import javafx.scene.image.Image;
+import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.auth.Account;
+import org.jackhuang.hmcl.auth.yggdrasil.GameProfile;
+import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccount;
+import org.jackhuang.hmcl.setting.Settings;
+import org.jackhuang.hmcl.task.FileDownloadTask;
+import org.jackhuang.hmcl.task.Scheduler;
+import org.jackhuang.hmcl.task.Schedulers;
+import org.jackhuang.hmcl.task.Task;
+import org.jackhuang.hmcl.ui.DialogController;
+import org.jackhuang.hmcl.ui.FXUtilsKt;
+import org.jackhuang.hmcl.util.NetworkUtils;
+
+import java.io.File;
+import java.net.Proxy;
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
+
+public final class AccountHelper {
+    public static final AccountHelper INSTANCE = new AccountHelper();
+    private AccountHelper() {}
+
+    public static final File SKIN_DIR = new File(Main.APPDATA, "skins");
+
+    public static void loadSkins() {
+        loadSkins(Proxy.NO_PROXY);
+    }
+
+    public static void loadSkins(Proxy proxy) {
+        for (Account account : Settings.INSTANCE.getAccounts().values()) {
+            if (account instanceof YggdrasilAccount) {
+                new SkinLoadTask((YggdrasilAccount) account, proxy, false).start();
+            }
+        }
+    }
+    public static Task loadSkinAsync(YggdrasilAccount account) {
+        return loadSkinAsync(account, Settings.INSTANCE.getProxy());
+    }
+
+    public static Task loadSkinAsync(YggdrasilAccount account, Proxy proxy) {
+        return new SkinLoadTask(account, proxy, false);
+    }
+
+    public static Task refreshSkinAsync(YggdrasilAccount account) {
+        return refreshSkinAsync(account, Settings.INSTANCE.getProxy());
+    }
+
+    public static Task refreshSkinAsync(YggdrasilAccount account, Proxy proxy) {
+        return new SkinLoadTask(account, proxy, true);
+    }
+
+    private static File getSkinFile(String name) {
+        return new File(SKIN_DIR, name + ".png");
+    }
+
+    public static Image getSkin(YggdrasilAccount account) {
+        return getSkin(account, 1);
+    }
+
+    public static Image getSkin(YggdrasilAccount account, double scaleRatio) {
+        if (account.getSelectedProfile() == null) return FXUtilsKt.DEFAULT_ICON;
+        String name = account.getSelectedProfile().getName();
+        if (name == null) return FXUtilsKt.DEFAULT_ICON;
+        File file = getSkinFile(name);
+        if (file.exists()) {
+            Image original = new Image("file:" + file.getAbsolutePath());
+            return new Image("file:" + file.getAbsolutePath(),
+                    original.getWidth() * scaleRatio,
+                    original.getHeight() * scaleRatio,
+                    false, false);
+        }
+        return FXUtilsKt.DEFAULT_ICON;
+    }
+
+    public static Rectangle2D getViewport(double scaleRatio) {
+        double size = 8.0 * scaleRatio;
+        return new Rectangle2D(size, size, size, size);
+    }
+
+    private static class SkinLoadTask extends Task {
+        private final YggdrasilAccount account;
+        private final Proxy proxy;
+        private final boolean refresh;
+        private final List<Task> dependencies = new LinkedList<>();
+
+        public SkinLoadTask(YggdrasilAccount account, Proxy proxy) {
+            this(account, proxy, false);
+        }
+
+        public SkinLoadTask(YggdrasilAccount account, Proxy proxy, boolean refresh) {
+            this.account = account;
+            this.proxy = proxy;
+            this.refresh = refresh;
+        }
+
+        @Override
+        public Scheduler getScheduler() {
+            return Schedulers.io();
+        }
+
+        @Override
+        public Collection<Task> getDependencies() {
+            return dependencies;
+        }
+
+        @Override
+        public void execute() throws Exception {
+            if (account.canLogIn() && (account.getSelectedProfile() == null || refresh))
+                DialogController.INSTANCE.logIn(account);
+
+            GameProfile profile = account.getSelectedProfile();
+            if (profile == null) return;
+            String name = profile.getName();
+            if (name == null) return;
+            String url = "http://skins.minecraft.net/MinecraftSkins/" + name + ".png";
+            File file = getSkinFile(name);
+            if (!refresh && file.exists())
+                return;
+            dependencies.add(new FileDownloadTask(NetworkUtils.toURL(url), file, proxy));
+        }
+    }
+}

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

@@ -0,0 +1,51 @@
+/*
+ * 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.game;
+
+import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.auth.AuthInfo;
+import org.jackhuang.hmcl.launch.DefaultLauncher;
+import org.jackhuang.hmcl.launch.ProcessListener;
+
+import java.util.List;
+
+/**
+ * @author huangyuhui
+ */
+public final class HMCLGameLauncher extends DefaultLauncher {
+
+    public HMCLGameLauncher(GameRepository repository, String versionId, AuthInfo authInfo, LaunchOptions options) {
+        this(repository, versionId, authInfo, options, null);
+    }
+
+    public HMCLGameLauncher(GameRepository repository, String versionId, AuthInfo authInfo, LaunchOptions options, ProcessListener listener) {
+        this(repository, versionId, authInfo, options, listener, true);
+    }
+
+    public HMCLGameLauncher(GameRepository repository, String versionId, AuthInfo authInfo, LaunchOptions options, ProcessListener listener, boolean daemon) {
+        super(repository, versionId, authInfo, options, listener, daemon);
+    }
+
+    @Override
+    protected void appendJvmArgs(List<String> result) {
+        super.appendJvmArgs(result);
+
+        result.add("-Dminecraft.launcher.version=" + Main.VERSION);
+        result.add("-Dminecraft.launcher.brand=" + Main.NAME);
+    }
+}

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

@@ -0,0 +1,209 @@
+/*
+ * 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.game;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import org.jackhuang.hmcl.event.EventBus;
+import org.jackhuang.hmcl.event.RefreshedVersionsEvent;
+import org.jackhuang.hmcl.event.RefreshingVersionsEvent;
+import org.jackhuang.hmcl.setting.Profile;
+import org.jackhuang.hmcl.setting.Settings;
+import org.jackhuang.hmcl.setting.VersionSetting;
+import org.jackhuang.hmcl.task.Schedulers;
+import org.jackhuang.hmcl.util.FileUtils;
+import org.jackhuang.hmcl.util.Lang;
+import org.jackhuang.hmcl.util.Logging;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.logging.Level;
+
+public class HMCLGameRepository extends DefaultGameRepository {
+    private final Profile profile;
+    private final Map<String, VersionSetting> versionSettings = new HashMap<>();
+    private final Set<String> beingModpackVersions = new HashSet<>();
+
+    public boolean checkedModpack = false, checkingModpack = false;
+
+    public HMCLGameRepository(Profile profile, File baseDirectory) {
+        super(baseDirectory);
+        this.profile = profile;
+    }
+
+    private boolean useSelf(String version, String assetId) {
+        VersionSetting vs = profile.getVersionSetting(version);
+        return new File(getBaseDirectory(), "assets/indexes/" + assetId + ".json").exists() || vs.isNoCommon();
+    }
+
+    @Override
+    public File getAssetDirectory(String version, String assetId) {
+        if (useSelf(version, assetId))
+            return super.getAssetDirectory(version, assetId);
+        else
+            return new File(Settings.INSTANCE.getCommonPath(), "assets");
+    }
+
+    @Override
+    public File getRunDirectory(String id) {
+        if (beingModpackVersions.contains(id))
+            return getVersionRoot(id);
+        else {
+            VersionSetting vs = profile.getVersionSetting(id);
+            switch (vs.getGameDirType()) {
+                case VERSION_FOLDER: return getVersionRoot(id);
+                case ROOT_FOLDER: return super.getRunDirectory(id);
+                case CUSTOM: return new File(vs.getGameDir());
+                default: throw new Error();
+            }
+        }
+    }
+
+    @Override
+    public File getLibraryFile(Version version, Library lib) {
+        VersionSetting vs = profile.getVersionSetting(version.getId());
+        File self = super.getLibraryFile(version, lib);
+        if (self.exists() || vs.isNoCommon())
+            return self;
+        else
+            return new File(Settings.INSTANCE.getCommonPath(), "libraries/" + lib.getPath());
+    }
+
+
+    @Override
+    protected void refreshVersionsImpl() {
+        versionSettings.clear();
+        super.refreshVersionsImpl();
+        versions.keySet().forEach(this::loadVersionSetting);
+
+        checkModpack();
+
+        try {
+            File file = new File(getBaseDirectory(), "launcher_profiles.json");
+            if (!file.exists() && !versions.isEmpty())
+                FileUtils.writeText(file, PROFILE);
+        } catch (IOException ex) {
+            Logging.LOG.log(Level.WARNING, "Unable to create launcher_profiles.json, Forge/LiteLoader installer will not work.", ex);
+        }
+    }
+
+    @Override
+    public void refreshVersions() {
+        EventBus.EVENT_BUS.fireEvent(new RefreshingVersionsEvent(this));
+        Schedulers.newThread().schedule(() -> {
+            refreshVersionsImpl();
+            EventBus.EVENT_BUS.fireEvent(new RefreshedVersionsEvent(this));
+        });
+    }
+
+    public void changeDirectory(File newDirectory) {
+        setBaseDirectory(newDirectory);
+        refreshVersions();
+    }
+
+    private void checkModpack() {
+
+        if (!checkingModpack) {
+            checkingModpack = true;
+            if (getVersionCount() == 0) {
+                File modpack = new File("modpack.zip").getAbsoluteFile();
+                if (modpack.exists()) {
+                    // TODO
+                }
+                /*
+                    SwingUtilities.invokeLater(() -> {
+                        if (TaskWindow.factory().execute(ModpackManager.install(MainFrame.INSTANCE, modpack, this, null)))
+                            refreshVersions();
+                        checkedModpack = true;
+                    });
+                    */
+            }
+        }
+    }
+
+    private File getVersionSettingFile(String id) {
+        return new File(getVersionRoot(id), "hmclversion.cfg");
+    }
+
+    private void loadVersionSetting(String id) {
+        File file = getVersionSettingFile(id);
+        if (file.exists())
+            try {
+                VersionSetting versionSetting = GSON.fromJson(FileUtils.readText(file), VersionSetting.class);
+                initVersionSetting(id, versionSetting);
+            } catch (Exception ex) {
+                // If [JsonParseException], [IOException] or [NullPointerException] happens, the json file is malformed and needed to be recreated.
+            }
+    }
+
+    public VersionSetting createVersionSetting(String id) {
+        if (!hasVersion(id))
+            return null;
+        if (versionSettings.containsKey(id))
+            return versionSettings.get(id);
+        else
+            return initVersionSetting(id, new VersionSetting());
+    }
+
+    private VersionSetting initVersionSetting(String id, VersionSetting vs) {
+        vs.addPropertyChangedListener(a -> saveVersionSetting(id));
+        versionSettings.put(id, vs);
+        return vs;
+    }
+
+    /**
+     * Get the version setting for version id.
+     *
+     * @param id version id
+     *
+     * @return may return null if the id not exists
+     */
+    public VersionSetting getVersionSetting(String id) {
+        if (!versionSettings.containsKey(id))
+            loadVersionSetting(id);
+        return versionSettings.get(id);
+    }
+
+    public File getVersionIcon(String id) {
+        return new File(getVersionRoot(id), "icon.png");
+    }
+
+    public void saveVersionSetting(String id) {
+        if (!versionSettings.containsKey(id))
+            return;
+        Lang.invoke(() -> FileUtils.writeText(getVersionSettingFile(id), GSON.toJson(versionSettings.get(id))));
+    }
+
+    public void markVersionAsModpack(String id) {
+        beingModpackVersions.add(id);
+    }
+
+    public void undoMark(String id) {
+        beingModpackVersions.remove(id);
+    }
+
+    private static final Gson GSON = new GsonBuilder().setPrettyPrinting()
+            .registerTypeAdapter(VersionSetting.class, VersionSetting.Serializer.INSTANCE)
+            .create();
+
+    private static final String PROFILE = "{\"selectedProfile\": \"(Default)\",\"profiles\": {\"(Default)\": {\"name\": \"(Default)\"}},\"clientToken\": \"88888888-8888-8888-8888-888888888888\"}";
+}

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

@@ -0,0 +1,253 @@
+/*
+ * 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.game;
+
+import com.jfoenix.concurrency.JFXUtilities;
+import javafx.application.Platform;
+import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.auth.Account;
+import org.jackhuang.hmcl.auth.AuthInfo;
+import org.jackhuang.hmcl.auth.AuthenticationException;
+import org.jackhuang.hmcl.download.DefaultDependencyManager;
+import org.jackhuang.hmcl.launch.DefaultLauncher;
+import org.jackhuang.hmcl.launch.ProcessListener;
+import org.jackhuang.hmcl.mod.CurseCompletionTask;
+import org.jackhuang.hmcl.setting.LauncherVisibility;
+import org.jackhuang.hmcl.setting.Profile;
+import org.jackhuang.hmcl.setting.Settings;
+import org.jackhuang.hmcl.setting.VersionSetting;
+import org.jackhuang.hmcl.task.Schedulers;
+import org.jackhuang.hmcl.task.Task;
+import org.jackhuang.hmcl.task.TaskExecutor;
+import org.jackhuang.hmcl.task.TaskListener;
+import org.jackhuang.hmcl.ui.Controllers;
+import org.jackhuang.hmcl.ui.DialogController;
+import org.jackhuang.hmcl.ui.LaunchingStepsPane;
+import org.jackhuang.hmcl.ui.LogWindow;
+import org.jackhuang.hmcl.util.Lang;
+import org.jackhuang.hmcl.util.Log4jLevel;
+import org.jackhuang.hmcl.util.ManagedProcess;
+import org.jackhuang.hmcl.util.Pair;
+
+import java.util.*;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.atomic.AtomicInteger;
+
+public final class LauncherHelper {
+    public static final LauncherHelper INSTANCE = new LauncherHelper();
+    private LauncherHelper(){}
+
+    private final LaunchingStepsPane launchingStepsPane = new LaunchingStepsPane();
+    public static final Queue<ManagedProcess> PROCESSES = new ConcurrentLinkedQueue<>();
+
+    public void launch(String selectedVersion) {
+        Profile profile = Settings.INSTANCE.getSelectedProfile();
+        GameRepository repository = profile.getRepository();
+        DefaultDependencyManager dependencyManager = profile.getDependency();
+        Account account = Settings.INSTANCE.getSelectedAccount();
+        if (account == null)
+            throw new IllegalStateException("No account");
+
+        Version version = repository.getVersion(selectedVersion);
+        VersionSetting setting = profile.getVersionSetting(selectedVersion);
+
+        Controllers.INSTANCE.dialog(launchingStepsPane);
+        TaskExecutor executor = Task.of(v -> emitStatus(LoadingState.DEPENDENCIES), Schedulers.javafx())
+                .then(dependencyManager.checkGameCompletionAsync(version))
+                .then(Task.of(v -> emitStatus(LoadingState.MODS), Schedulers.javafx()))
+                .then(new CurseCompletionTask(dependencyManager, selectedVersion))
+                .then(Task.of(v -> emitStatus(LoadingState.LOGIN), Schedulers.javafx()))
+                .then(Task.of(v -> {
+                    try {
+                        v.set("account", account.logIn(HMCLMultiCharacterSelector.INSTANCE, Settings.INSTANCE.getProxy()));
+                    } catch (AuthenticationException e) {
+                        v.set("account", DialogController.INSTANCE.logIn(account));
+                        JFXUtilities.runInFX(() -> Controllers.INSTANCE.dialog(launchingStepsPane));
+                    }
+                }))
+                .then(Task.of(v -> emitStatus(LoadingState.LAUNCHING), Schedulers.javafx()))
+                .then(Task.of(v -> {
+                    v.set("launcher", new HMCLGameLauncher(
+                            repository, selectedVersion, v.get("account"), setting.toLaunchOptions(profile.getGameDir()), new HMCLProcessListener(v.get("account"), setting)
+                    ));
+                }))
+                .then(v -> v.<DefaultLauncher>get("launcher").launchAsync())
+                .then(Task.of(v -> {
+                    PROCESSES.add(v.get(DefaultLauncher.LAUNCH_ASYNC_ID));
+                    if (setting.getLauncherVisibility() == LauncherVisibility.CLOSE)
+                        Main.Companion.stop();
+                }))
+                .executor();
+
+        executor.setTaskListener(new TaskListener() {
+            AtomicInteger finished = new AtomicInteger(0);
+            @Override
+            public void onFinished(Task task) {
+                finished.incrementAndGet();
+                Platform.runLater(() -> {
+                    launchingStepsPane.getPgsTasks().setProgress(1.0 * finished.get() / executor.getRunningTasks());
+                });
+            }
+
+            @Override
+            public void onTerminate() {
+                Platform.runLater(Controllers.INSTANCE::closeDialog);
+            }
+        });
+
+        executor.start();
+    }
+
+    public static void stopManagedProcesses() {
+        synchronized (PROCESSES) {
+            while (!PROCESSES.isEmpty())
+                Optional.ofNullable(PROCESSES.poll()).ifPresent(ManagedProcess::stop);
+        }
+    }
+
+    public void emitStatus(LoadingState state) {
+        if (state == LoadingState.DONE)
+            Controllers.INSTANCE.closeDialog();
+
+        launchingStepsPane.getLblCurrentState().setText(state.toString());
+        launchingStepsPane.getLblSteps().setText((state.ordinal() + 1) + " / " + LoadingState.values().length);
+    }
+
+    private void checkExit(LauncherVisibility v) {
+        switch (v) {
+            case HIDE_AND_REOPEN:
+                Platform.runLater(Controllers.INSTANCE.getStage()::show);
+                break;
+            case KEEP:
+                // No operations here
+                break;
+            case CLOSE:
+                throw new Error("Never get to here");
+            case HIDE:
+                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.Companion.stopWithoutJavaFXPlatform();
+                });
+                break;
+        }
+    }
+
+    /**
+     * The managed process listener.
+     * Guarantee that one [JavaProcess], one [HMCLProcessListener].
+     * Because every time we launched a game, we generates a new [HMCLProcessListener]
+     */
+    class HMCLProcessListener implements ProcessListener {
+
+        private final VersionSetting setting;
+        private final Map<String, String> forbiddenTokens;
+        private final LauncherVisibility visibility;
+        private ManagedProcess process;
+        private boolean lwjgl;
+        private LogWindow logWindow;
+        private final LinkedList<Pair<String, Log4jLevel>> logs;
+
+        public HMCLProcessListener(AuthInfo authInfo, VersionSetting setting) {
+            this.setting = setting;
+
+            if (authInfo == null)
+                forbiddenTokens = Collections.emptyMap();
+            else
+                forbiddenTokens = Lang.mapOf(
+                        new Pair<>(authInfo.getAuthToken(), "<access token>"),
+                        new Pair<>(authInfo.getUserId(), "<uuid>"),
+                        new Pair<>(authInfo.getUsername(), "<player>")
+                );
+
+            visibility = setting.getLauncherVisibility();
+            logs = new LinkedList<>();
+        }
+
+        @Override
+        public void setProcess(ManagedProcess process) {
+            this.process = process;
+
+            if (setting.isShowLogs())
+                Platform.runLater(() -> {
+                    logWindow = new LogWindow();
+                    logWindow.show();
+                });
+        }
+
+        @Override
+        public void onLog(String log, Log4jLevel level) {
+            String newLog = log;
+            for (Map.Entry<String, String> entry : forbiddenTokens.entrySet())
+                newLog = newLog.replace(entry.getKey(), entry.getValue());
+
+            if (level.lessOrEqual(Log4jLevel.ERROR))
+                System.err.print(log);
+            else
+                System.out.print(log);
+
+            Platform.runLater(() -> {
+                logs.add(new Pair<>(log, level));
+                if (logs.size() > Settings.INSTANCE.getLogLines())
+                    logs.removeFirst();
+                if (logWindow != null)
+                    logWindow.logLine(log, level);
+            });
+
+            if (!lwjgl && log.contains("LWJGL Version: ")) {
+                lwjgl = true;
+                switch (visibility) {
+                    case HIDE_AND_REOPEN:
+                        Platform.runLater(() -> {
+                            Controllers.INSTANCE.getStage().hide();
+                            emitStatus(LoadingState.DONE);
+                        });
+                        break;
+                    case CLOSE:
+                        throw new Error("Never come to here");
+                    case KEEP:
+                        // No operations here
+                        break;
+                    case HIDE:
+                        Platform.runLater(() -> {
+                            Controllers.INSTANCE.getStage().close();
+                            emitStatus(LoadingState.DONE);
+                        });
+                        break;
+                }
+            }
+        }
+
+        @Override
+        public void onExit(int exitCode, ExitType exitType) {
+            if (exitType != ExitType.NORMAL && logWindow == null)
+                Platform.runLater(() -> {
+                    logWindow = new LogWindow();
+                    logWindow.show();
+                    logWindow.onDone.register(() -> {
+                        for (Map.Entry<String, Log4jLevel> entry : logs)
+                            logWindow.logLine(entry.getKey(), entry.getValue());
+                    });
+                });
+
+            checkExit(visibility);
+        }
+
+    }
+}

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

@@ -0,0 +1,26 @@
+/*
+ * 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.game;
+
+public enum LoadingState {
+    DEPENDENCIES,
+    MODS,
+    LOGIN,
+    LAUNCHING,
+    DONE
+}

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

@@ -0,0 +1,184 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2013  huangyuhui
+ *
+ * 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.setting;
+
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonNull;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParseException;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+import java.io.File;
+import java.lang.reflect.Type;
+import java.util.Optional;
+import javafx.beans.InvalidationListener;
+import org.jackhuang.hmcl.download.DefaultDependencyManager;
+import org.jackhuang.hmcl.game.HMCLGameRepository;
+import org.jackhuang.hmcl.mod.ModManager;
+import org.jackhuang.hmcl.util.ImmediateObjectProperty;
+import org.jackhuang.hmcl.util.ImmediateStringProperty;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public final class Profile {
+
+    private final HMCLGameRepository repository;
+    private final ModManager modManager;
+
+    private final ImmediateObjectProperty<File> gameDirProperty;
+
+    public ImmediateObjectProperty<File> getGameDirProperty() {
+        return gameDirProperty;
+    }
+
+    public File getGameDir() {
+        return gameDirProperty.get();
+    }
+
+    public void setGameDir(File gameDir) {
+        gameDirProperty.set(gameDir);
+    }
+
+    private final ImmediateObjectProperty<VersionSetting> globalProperty = new ImmediateObjectProperty<>(this, "global", new VersionSetting());
+
+    public ImmediateObjectProperty<VersionSetting> globalProperty() {
+        return globalProperty;
+    }
+
+    public VersionSetting getGlobal() {
+        return globalProperty.get();
+    }
+
+    public void setGlobal(VersionSetting global) {
+        globalProperty.set(global);
+    }
+
+    private final ImmediateStringProperty nameProperty;
+
+    public ImmediateStringProperty getNameProperty() {
+        return nameProperty;
+    }
+
+    public String getName() {
+        return nameProperty.get();
+    }
+
+    public void setName(String name) {
+        nameProperty.set(name);
+    }
+
+    public Profile() {
+        this("Default");
+    }
+
+    public Profile(String name) {
+        this(name, new File(".minecraft"));
+    }
+
+    public Profile(String name, File initialGameDir) {
+        nameProperty = new ImmediateStringProperty(this, "name", name);
+        gameDirProperty = new ImmediateObjectProperty<>(this, "gameDir", initialGameDir);
+        repository = new HMCLGameRepository(this, initialGameDir);
+        modManager = new ModManager(repository);
+
+        gameDirProperty.addListener((a, b, newValue) -> repository.changeDirectory(newValue));
+    }
+
+    public HMCLGameRepository getRepository() {
+        return repository;
+    }
+
+    public ModManager getModManager() {
+        return modManager;
+    }
+
+    public DefaultDependencyManager getDependency() {
+        return new DefaultDependencyManager(repository, Settings.INSTANCE.getDownloadProvider(), Settings.INSTANCE.getProxy());
+    }
+
+    public VersionSetting getVersionSetting(String id) {
+        VersionSetting vs = repository.getVersionSetting(id);
+        if (vs == null || vs.isUsesGlobal()) {
+            getGlobal().setGlobal(true); // always keep global.isGlobal = true
+            return getGlobal();
+        } else
+            return vs;
+    }
+
+    public boolean isVersionGlobal(String id) {
+        VersionSetting vs = repository.getVersionSetting(id);
+        return vs == null || vs.isUsesGlobal();
+    }
+
+    public VersionSetting specializeVersionSetting(String id) {
+        VersionSetting vs = repository.getVersionSetting(id);
+        if (vs == null)
+            vs = repository.createVersionSetting(id);
+        if (vs == null)
+            return null;
+        vs.setUsesGlobal(false);
+        return vs;
+    }
+
+    public void globalizeVersionSetting(String id) {
+        VersionSetting vs = repository.getVersionSetting(id);
+        if (vs != null)
+            vs.setUsesGlobal(true);
+    }
+
+    public void addPropertyChangedListener(InvalidationListener listener) {
+        nameProperty.addListener(listener);
+        globalProperty.addListener(listener);
+        gameDirProperty.addListener(listener);
+    }
+
+    public static final class Serializer implements JsonSerializer<Profile>, JsonDeserializer<Profile> {
+        public static final Serializer INSTANCE = new Serializer();
+
+        private Serializer() {
+        }
+
+        @Override
+        public JsonElement serialize(Profile src, Type typeOfSrc, JsonSerializationContext context) {
+            if (src == null)
+                return JsonNull.INSTANCE;
+
+            JsonObject jsonObject = new JsonObject();
+            jsonObject.add("global", context.serialize(src.getGlobal()));
+            jsonObject.addProperty("gameDir", src.getGameDir().getPath());
+
+            return jsonObject;
+        }
+
+        @Override
+        public Profile deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
+            if (json == null || json == JsonNull.INSTANCE || !(json instanceof JsonObject)) return null;
+            JsonObject obj = (JsonObject) json;
+            String gameDir = Optional.ofNullable(obj.get("gameDir")).map(JsonElement::getAsString).orElse("");
+
+            Profile profile = new Profile("Default", new File(gameDir));
+            profile.setGlobal(context.deserialize(obj.get("global"), VersionSetting.class));
+            return profile;
+        }
+
+    }
+}

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

@@ -0,0 +1,591 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2013  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.setting;
+
+import java.io.File;
+import java.io.IOException;
+import java.lang.reflect.Type;
+import java.util.Optional;
+
+import com.google.gson.*;
+import javafx.beans.InvalidationListener;
+import org.jackhuang.hmcl.Main;
+import org.jackhuang.hmcl.game.LaunchOptions;
+import org.jackhuang.hmcl.util.*;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public final class VersionSetting {
+
+    public transient String id;
+
+    private boolean global = false;
+
+    public boolean isGlobal() {
+        return global;
+    }
+
+    public void setGlobal(boolean global) {
+        this.global = global;
+    }
+
+    /**
+     * HMCL Version Settings have been divided into 2 parts.
+     * 1. Global settings.
+     * 2. Version settings.
+     * If a version claims that it uses global settings, its version setting will be disabled.
+     *
+     * Defaults false because if one version uses global first, custom version file will not be generated.
+     */
+    private final ImmediateBooleanProperty usesGlobalProperty = new ImmediateBooleanProperty(this, "usesGlobal", false);
+
+    public ImmediateBooleanProperty usesGlobalProperty() {
+        return usesGlobalProperty;
+    }
+
+    public boolean isUsesGlobal() {
+        return usesGlobalProperty.get();
+    }
+
+    public void setUsesGlobal(boolean usesGlobal) {
+        usesGlobalProperty.set(usesGlobal);
+    }
+
+    // java
+
+    /**
+     * Java version or null if user customizes java directory.
+     */
+    private final ImmediateStringProperty javaProperty = new ImmediateStringProperty(this, "java", "");
+
+    public ImmediateStringProperty javaProperty() {
+        return javaProperty;
+    }
+
+    public String getJava() {
+        return javaProperty.get();
+    }
+
+    public void setJava(String java) {
+        javaProperty.set(java);
+    }
+
+    /**
+     * User customized java directory or null if user uses system Java.
+     */
+    private final ImmediateStringProperty javaDirProperty = new ImmediateStringProperty(this, "javaDir", "");
+
+    public ImmediateStringProperty javaDirProperty() {
+        return javaDirProperty;
+    }
+
+    public String getJavaDir() {
+        return javaDirProperty.get();
+    }
+
+    public void setJavaDir(String javaDir) {
+        javaDirProperty.set(javaDir);
+    }
+
+    /**
+     * The command to launch java, i.e. optirun.
+     */
+    private final ImmediateStringProperty wrapperProperty = new ImmediateStringProperty(this, "wrapper", "");
+
+    public ImmediateStringProperty wrapperProperty() {
+        return wrapperProperty;
+    }
+
+    public String getWrapper() {
+        return wrapperProperty.get();
+    }
+
+    public void setWrapper(String wrapper) {
+        wrapperProperty.set(wrapper);
+    }
+
+    /**
+     * The permanent generation size of JVM garbage collection.
+     */
+    private final ImmediateStringProperty permSizeProperty = new ImmediateStringProperty(this, "permSize", "");
+
+    public ImmediateStringProperty permSizeProperty() {
+        return permSizeProperty;
+    }
+
+    public String getPermSize() {
+        return permSizeProperty.get();
+    }
+
+    public void setPermSize(String permSize) {
+        permSizeProperty.set(permSize);
+    }
+
+    /**
+     * The maximum memory that JVM can allocate for heap.
+     */
+    private final ImmediateIntegerProperty maxMemoryProperty = new ImmediateIntegerProperty(this, "maxMemory", (int) OperatingSystem.SUGGESTED_MEMORY);
+
+    public ImmediateIntegerProperty maxMemoryProperty() {
+        return maxMemoryProperty;
+    }
+
+    public int getMaxMemory() {
+        return maxMemoryProperty.get();
+    }
+
+    public void setMaxMemory(int maxMemory) {
+        maxMemoryProperty.set(maxMemory);
+    }
+
+    /**
+     * The minimum memory that JVM can allocate for heap.
+     */
+    private final ImmediateObjectProperty<Integer> minMemoryProperty = new ImmediateObjectProperty<>(this, "minMemory", null);
+
+    public ImmediateObjectProperty<Integer> minMemoryProperty() {
+        return minMemoryProperty;
+    }
+
+    public Integer getMinMemory() {
+        return minMemoryProperty.get();
+    }
+
+    public void setMinMemory(Integer minMemory) {
+        minMemoryProperty.set(minMemory);
+    }
+
+    /**
+     * The command that will be executed before launching the Minecraft.
+     * Operating system relevant.
+     */
+    private final ImmediateStringProperty preLaunchCommandProperty = new ImmediateStringProperty(this, "precalledCommand", "");
+
+    public ImmediateStringProperty preLaunchCommandProperty() {
+        return preLaunchCommandProperty;
+    }
+
+    public String getPreLaunchCommand() {
+        return preLaunchCommandProperty.get();
+    }
+
+    public void setPreLaunchCommand(String preLaunchCommand) {
+        preLaunchCommandProperty.set(preLaunchCommand);
+    }
+
+    // options
+
+    /**
+     * The user customized arguments passed to JVM.
+     */
+    private final ImmediateStringProperty javaArgsProperty = new ImmediateStringProperty(this, "javaArgs", "");
+
+    public ImmediateStringProperty javaArgsProperty() {
+        return javaArgsProperty;
+    }
+
+    public String getJavaArgs() {
+        return javaArgsProperty.get();
+    }
+
+    public void setJavaArgs(String javaArgs) {
+        javaArgsProperty.set(javaArgs);
+    }
+
+
+    /**
+     * The user customized arguments passed to Minecraft.
+     */
+    private final ImmediateStringProperty minecraftArgsProperty = new ImmediateStringProperty(this, "minecraftArgs", "");
+
+    public ImmediateStringProperty minecraftArgsProperty() {
+        return minecraftArgsProperty;
+    }
+
+    public String getMinecraftArgs() {
+        return minecraftArgsProperty.get();
+    }
+
+    public void setMinecraftArgs(String minecraftArgs) {
+        minecraftArgsProperty.set(minecraftArgs);
+    }
+
+    /**
+     * True if disallow HMCL use default JVM arguments.
+     */
+    private final ImmediateBooleanProperty noJVMArgsProperty = new ImmediateBooleanProperty(this, "noJVMArgs", false);
+
+    public ImmediateBooleanProperty noJVMArgsProperty() {
+        return noJVMArgsProperty;
+    }
+
+    public boolean isNoJVMArgs() {
+        return noJVMArgsProperty.get();
+    }
+
+    public void setNoJVMArgs(boolean noJVMArgs) {
+        noJVMArgsProperty.set(noJVMArgs);
+    }
+
+    /**
+     * True if HMCL does not check game's completeness.
+     */
+    private final ImmediateBooleanProperty notCheckGameProperty = new ImmediateBooleanProperty(this, "notCheckGame", false);
+
+    public ImmediateBooleanProperty notCheckGameProperty() {
+        return notCheckGameProperty;
+    }
+
+    public boolean isNotCheckGame() {
+        return notCheckGameProperty.get();
+    }
+
+    public void setNotCheckGame(boolean notCheckGame) {
+        notCheckGameProperty.set(notCheckGame);
+    }
+
+
+    /**
+     * True if HMCL does not find/download libraries in/to common path.
+     */
+    private final ImmediateBooleanProperty noCommonProperty = new ImmediateBooleanProperty(this, "noCommon", false);
+
+    public ImmediateBooleanProperty noCommonProperty() {
+        return noCommonProperty;
+    }
+
+    public boolean isNoCommon() {
+        return noCommonProperty.get();
+    }
+
+    public void setNoCommon(boolean noCommon) {
+        noCommonProperty.set(noCommon);
+    }
+
+    /**
+     * True if show the logs after game launched.
+     */
+    private final ImmediateBooleanProperty showLogsProperty = new ImmediateBooleanProperty(this, "showLogs", false);
+
+    public ImmediateBooleanProperty showLogsProperty() {
+        return showLogsProperty;
+    }
+
+    public boolean isShowLogs() {
+        return showLogsProperty.get();
+    }
+
+    public void setShowLogs(boolean showLogs) {
+        showLogsProperty.set(showLogs);
+    }
+
+    // Minecraft settings.
+
+    /**
+     * The server ip that will be entered after Minecraft successfully loaded immediately.
+     *
+     * Format: ip:port or without port.
+     */
+    private final ImmediateStringProperty serverIpProperty = new ImmediateStringProperty(this, "serverIp", "");
+
+    public ImmediateStringProperty serverIpProperty() {
+        return serverIpProperty;
+    }
+
+    public String getServerIp() {
+        return serverIpProperty.get();
+    }
+
+    public void setServerIp(String serverIp) {
+        serverIpProperty.set(serverIp);
+    }
+
+
+    /**
+     * True if Minecraft started in fullscreen mode.
+     */
+    private final ImmediateBooleanProperty fullscreenProperty = new ImmediateBooleanProperty(this, "fullscreen", false);
+
+    public ImmediateBooleanProperty fullscreenProperty() {
+        return fullscreenProperty;
+    }
+
+    public boolean isFullscreen() {
+        return fullscreenProperty.get();
+    }
+
+    public void setFullscreen(boolean fullscreen) {
+        fullscreenProperty.set(fullscreen);
+    }
+
+    /**
+     * The width of Minecraft window, defaults 800.
+     *
+     * The field saves int value.
+     * String type prevents unexpected value from causing JsonSyntaxException.
+     * We can only reset this field instead of recreating the whole setting file.
+     */
+    private final ImmediateIntegerProperty widthProperty = new ImmediateIntegerProperty(this, "width", 854);
+
+    public ImmediateIntegerProperty widthProperty() {
+        return widthProperty;
+    }
+
+    public int getWidth() {
+        return widthProperty.get();
+    }
+
+    public void setWidth(int width) {
+        widthProperty.set(width);
+    }
+
+
+    /**
+     * The height of Minecraft window, defaults 480.
+     *
+     * The field saves int value.
+     * String type prevents unexpected value from causing JsonSyntaxException.
+     * We can only reset this field instead of recreating the whole setting file.
+     */
+    private final ImmediateIntegerProperty heightProperty = new ImmediateIntegerProperty(this, "height", 480);
+
+    public ImmediateIntegerProperty heightProperty() {
+        return heightProperty;
+    }
+
+    public int getHeight() {
+        return heightProperty.get();
+    }
+
+    public void setHeight(int height) {
+        heightProperty.set(height);
+    }
+
+    /**
+     * 0 - .minecraft<br/>
+     * 1 - .minecraft/versions/&lt;version&gt;/<br/>
+     */
+    private final ImmediateObjectProperty<EnumGameDirectory> gameDirTypeProperty = new ImmediateObjectProperty<>(this, "gameDirType", EnumGameDirectory.ROOT_FOLDER);
+
+    public ImmediateObjectProperty<EnumGameDirectory> gameDirTypeProperty() {
+        return gameDirTypeProperty;
+    }
+
+    public EnumGameDirectory getGameDirType() {
+        return gameDirTypeProperty.get();
+    }
+
+    public void setGameDirType(EnumGameDirectory gameDirType) {
+        gameDirTypeProperty.set(gameDirType);
+    }
+
+    /**
+     * Your custom gameDir
+     */
+    private final ImmediateStringProperty gameDirProperty = new ImmediateStringProperty(this, "gameDir", "");
+
+    public ImmediateStringProperty gameDirProperty() {
+        return gameDirProperty;
+    }
+
+    public String getGameDir() {
+        return gameDirProperty.get();
+    }
+
+    public void setGameDir(String gameDir) {
+        gameDirProperty.set(gameDir);
+    }
+
+    // launcher settings
+
+    /**
+     * 0 - Close the launcher when the game starts.<br/>
+     * 1 - Hide the launcher when the game starts.<br/>
+     * 2 - Keep the launcher open.<br/>
+     */
+    private final ImmediateObjectProperty<LauncherVisibility> launcherVisibilityProperty = new ImmediateObjectProperty<>(this, "launcherVisibility", LauncherVisibility.HIDE);
+
+    public ImmediateObjectProperty<LauncherVisibility> launcherVisibilityProperty() {
+        return launcherVisibilityProperty;
+    }
+
+    public LauncherVisibility getLauncherVisibility() {
+        return launcherVisibilityProperty.get();
+    }
+
+    public void setLauncherVisibility(LauncherVisibility launcherVisibility) {
+        launcherVisibilityProperty.set(launcherVisibility);
+    }
+
+    public JavaVersion getJavaVersion() throws InterruptedException {
+        // TODO: lazy initialization may result in UI suspension.
+        if (StringUtils.isBlank(getJava()))
+            setJava(StringUtils.isBlank(getJavaDir()) ? "Default" : "Custom");
+        if ("Default".equals(getJava())) return JavaVersion.fromCurrentEnvironment();
+        else if ("Custom".equals(getJava())) {
+            try {
+                return JavaVersion.fromExecutable(new File(getJavaDir()));
+            } catch (IOException e) {
+                return null; // Custom Java Directory not found,
+            }
+        } else if (StringUtils.isNotBlank(getJava())) {
+            JavaVersion c = JavaVersion.getJREs().get(getJava());
+            if (c == null) {
+                setJava("Default");
+                return JavaVersion.fromCurrentEnvironment();
+            } else
+                return c;
+        } else throw new Error();
+    }
+
+    public void addPropertyChangedListener(InvalidationListener listener) {
+        usesGlobalProperty.addListener(listener);
+        javaProperty.addListener(listener);
+        javaDirProperty.addListener(listener);
+        wrapperProperty.addListener(listener);
+        permSizeProperty.addListener(listener);
+        maxMemoryProperty.addListener(listener);
+        minMemoryProperty.addListener(listener);
+        preLaunchCommandProperty.addListener(listener);
+        javaArgsProperty.addListener(listener);
+        minecraftArgsProperty.addListener(listener);
+        noJVMArgsProperty.addListener(listener);
+        notCheckGameProperty.addListener(listener);
+        noCommonProperty.addListener(listener);
+        showLogsProperty.addListener(listener);
+        serverIpProperty.addListener(listener);
+        fullscreenProperty.addListener(listener);
+        widthProperty.addListener(listener);
+        heightProperty.addListener(listener);
+        gameDirTypeProperty.addListener(listener);
+        gameDirProperty.addListener(listener);
+        launcherVisibilityProperty.addListener(listener);
+    }
+
+    public LaunchOptions toLaunchOptions(File gameDir) throws InterruptedException {
+        JavaVersion javaVersion = Optional.ofNullable(getJavaVersion()).orElse(JavaVersion.fromCurrentEnvironment());
+        return new LaunchOptions.Builder()
+                .setGameDir(gameDir)
+                .setJava(javaVersion)
+                .setVersionName(Main.TITLE)
+                .setProfileName(Main.TITLE)
+                .setMinecraftArgs(getMinecraftArgs())
+                .setJavaArgs(getJavaArgs())
+                .setMaxMemory(getMaxMemory())
+                .setMinMemory(getMinMemory())
+                .setMetaspace(StringUtils.parseInt(getPermSize()))
+                .setWidth(getWidth())
+                .setHeight(getHeight())
+                .setFullscreen(isFullscreen())
+                .setServerIp(getServerIp())
+                .setWrapper(getWrapper())
+                .setProxyHost(Settings.INSTANCE.getProxyHost())
+                .setProxyPort(Settings.INSTANCE.getProxyPort())
+                .setProxyUser(Settings.INSTANCE.getProxyUser())
+                .setProxyPass(Settings.INSTANCE.getProxyPass())
+                .setPrecalledCommand(getPreLaunchCommand())
+                .setNoGeneratedJVMArgs(isNoJVMArgs())
+                .create();
+    }
+
+    public static class Serializer implements JsonSerializer<VersionSetting>, JsonDeserializer<VersionSetting> {
+        public static final Serializer INSTANCE = new Serializer();
+
+        private Serializer() {
+        }
+
+        @Override
+        public JsonElement serialize(VersionSetting src, Type typeOfSrc, JsonSerializationContext context) {
+            if (src == null) return JsonNull.INSTANCE;
+            JsonObject obj = new JsonObject();
+
+            obj.addProperty("usesGlobal", src.isUsesGlobal());
+            obj.addProperty("javaArgs", src.getJavaArgs());
+            obj.addProperty("minecraftArgs", src.getMinecraftArgs());
+            obj.addProperty("maxMemory", src.getMaxMemory() <= 0 ? OperatingSystem.SUGGESTED_MEMORY : src.getMaxMemory());
+            obj.addProperty("minMemory", src.getMinMemory());
+            obj.addProperty("permSize", src.getPermSize());
+            obj.addProperty("width", src.getWidth());
+            obj.addProperty("height", src.getHeight());
+            obj.addProperty("javaDir", src.getJavaDir());
+            obj.addProperty("precalledCommand", src.getPreLaunchCommand());
+            obj.addProperty("serverIp", src.getServerIp());
+            obj.addProperty("java", src.getJava());
+            obj.addProperty("wrapper", src.getWrapper());
+            obj.addProperty("fullscreen", src.isFullscreen());
+            obj.addProperty("noJVMArgs", src.isNoJVMArgs());
+            obj.addProperty("notCheckGame", src.isNotCheckGame());
+            obj.addProperty("noCommon", src.isNoCommon());
+            obj.addProperty("showLogs", src.isShowLogs());
+            obj.addProperty("gameDir", src.getGameDir());
+            obj.addProperty("launcherVisibility", src.getLauncherVisibility().ordinal());
+            obj.addProperty("gameDirType", src.getGameDirType().ordinal());
+
+            return obj;
+        }
+
+        @Override
+        public VersionSetting deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
+            if (json == null || json == JsonNull.INSTANCE || !(json instanceof JsonObject))
+                return null;
+            JsonObject obj = (JsonObject) json;
+
+            int maxMemoryN = parseJsonPrimitive(Optional.ofNullable(obj.get("maxMemory")).map(JsonElement::getAsJsonPrimitive).orElse(null), OperatingSystem.SUGGESTED_MEMORY);
+            if (maxMemoryN <= 0) maxMemoryN = OperatingSystem.SUGGESTED_MEMORY;
+
+            VersionSetting vs = new VersionSetting();
+
+            vs.setUsesGlobal(Optional.ofNullable(obj.get("usesGlobal")).map(JsonElement::getAsBoolean).orElse(false));
+            vs.setJavaArgs(Optional.ofNullable(obj.get("javaArgs")).map(JsonElement::getAsString).orElse(""));
+            vs.setMinecraftArgs(Optional.ofNullable(obj.get("minecraftArgs")).map(JsonElement::getAsString).orElse(""));
+            vs.setMaxMemory(maxMemoryN);
+            vs.setMinMemory(Optional.ofNullable(obj.get("minMemory")).map(JsonElement::getAsInt).orElse(null));
+            vs.setPermSize(Optional.ofNullable(obj.get("permSize")).map(JsonElement::getAsString).orElse(""));
+            vs.setWidth(Optional.ofNullable(obj.get("width")).map(JsonElement::getAsJsonPrimitive).map(this::parseJsonPrimitive).orElse(0));
+            vs.setHeight(Optional.ofNullable(obj.get("height")).map(JsonElement::getAsJsonPrimitive).map(this::parseJsonPrimitive).orElse(0));
+            vs.setJavaDir(Optional.ofNullable(obj.get("javaDir")).map(JsonElement::getAsString).orElse(""));
+            vs.setPreLaunchCommand(Optional.ofNullable(obj.get("precalledCommand")).map(JsonElement::getAsString).orElse(""));
+            vs.setServerIp(Optional.ofNullable(obj.get("serverIp")).map(JsonElement::getAsString).orElse(""));
+            vs.setJava(Optional.ofNullable(obj.get("java")).map(JsonElement::getAsString).orElse(""));
+            vs.setWrapper(Optional.ofNullable(obj.get("wrapper")).map(JsonElement::getAsString).orElse(""));
+            vs.setGameDir(Optional.ofNullable(obj.get("gameDir")).map(JsonElement::getAsString).orElse(""));
+            vs.setFullscreen(Optional.ofNullable(obj.get("fullscreen")).map(JsonElement::getAsBoolean).orElse(false));
+            vs.setNoJVMArgs(Optional.ofNullable(obj.get("noJVMArgs")).map(JsonElement::getAsBoolean).orElse(false));
+            vs.setNotCheckGame(Optional.ofNullable(obj.get("notCheckGame")).map(JsonElement::getAsBoolean).orElse(false));
+            vs.setNoCommon(Optional.ofNullable(obj.get("noCommon")).map(JsonElement::getAsBoolean).orElse(false));
+            vs.setShowLogs(Optional.ofNullable(obj.get("showLogs")).map(JsonElement::getAsBoolean).orElse(false));
+            vs.setLauncherVisibility(LauncherVisibility.values()[Optional.ofNullable(obj.get("launcherVisibility")).map(JsonElement::getAsInt).orElse(1)]);
+            vs.setGameDirType(EnumGameDirectory.values()[Optional.ofNullable(obj.get("gameDirType")).map(JsonElement::getAsInt).orElse(0)]);
+
+            return vs;
+        }
+
+        private int parseJsonPrimitive(JsonPrimitive primitive) {
+            return parseJsonPrimitive(primitive, 0);
+        }
+
+        private int parseJsonPrimitive(JsonPrimitive primitive, int defaultValue) {
+            if (primitive.isNumber())
+                return primitive.getAsInt();
+            else
+                return Lang.parseInt(primitive.getAsString(), defaultValue);
+        }
+    }
+}

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

@@ -0,0 +1,235 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2013  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.ui;
+
+import java.util.concurrent.CountDownLatch;
+import javafx.beans.binding.Bindings;
+import javafx.beans.property.ReadOnlyIntegerProperty;
+import javafx.beans.property.ReadOnlyIntegerWrapper;
+import javafx.concurrent.Worker;
+import javafx.fxml.FXML;
+import javafx.scene.Scene;
+import javafx.scene.control.ComboBox;
+import javafx.scene.control.ToggleButton;
+import javafx.scene.image.Image;
+import javafx.scene.layout.StackPane;
+import javafx.scene.web.WebEngine;
+import javafx.scene.web.WebView;
+import javafx.stage.Stage;
+import org.jackhuang.hmcl.MainKt;
+import org.jackhuang.hmcl.event.Event;
+import org.jackhuang.hmcl.event.EventManager;
+import org.jackhuang.hmcl.game.LauncherHelper;
+import org.jackhuang.hmcl.setting.Settings;
+import org.jackhuang.hmcl.util.IOUtils;
+import org.jackhuang.hmcl.util.Lang;
+import org.jackhuang.hmcl.util.Log4jLevel;
+import org.jackhuang.hmcl.util.StringUtils;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public final class LogWindow extends Stage {
+
+    private final ReadOnlyIntegerWrapper fatalProperty = new ReadOnlyIntegerWrapper(0);
+    private final ReadOnlyIntegerWrapper errorProperty = new ReadOnlyIntegerWrapper(0);
+    private final ReadOnlyIntegerWrapper warnProperty = new ReadOnlyIntegerWrapper(0);
+    private final ReadOnlyIntegerWrapper infoProperty = new ReadOnlyIntegerWrapper(0);
+    private final ReadOnlyIntegerWrapper debugProperty = new ReadOnlyIntegerWrapper(0);
+    private final LogWindowImpl impl = new LogWindowImpl();
+    private final CountDownLatch latch = new CountDownLatch(1);
+    public final EventManager<Event> onDone = new EventManager<>();
+
+    public LogWindow() {
+        setScene(new Scene(impl, 800, 480));
+        getScene().getStylesheets().addAll(FXUtilsKt.getStylesheets());
+        setTitle(MainKt.i18n("logwindow.title"));
+        getIcons().add(new Image("/assets/img/icon.png"));
+    }
+
+    public LogWindow(String text) {
+        this();
+
+        onDone.register(() -> {
+            logLine(text, Log4jLevel.INFO);
+        });
+    }
+
+    public ReadOnlyIntegerProperty fatalProperty() {
+        return fatalProperty.getReadOnlyProperty();
+    }
+
+    public int getFatal() {
+        return fatalProperty.get();
+    }
+
+    public ReadOnlyIntegerProperty errorProperty() {
+        return errorProperty.getReadOnlyProperty();
+    }
+
+    public int getError() {
+        return errorProperty.get();
+    }
+
+    public ReadOnlyIntegerProperty warnProperty() {
+        return warnProperty.getReadOnlyProperty();
+    }
+
+    public int getWarn() {
+        return warnProperty.get();
+    }
+
+    public ReadOnlyIntegerProperty infoProperty() {
+        return infoProperty.getReadOnlyProperty();
+    }
+
+    public int getInfo() {
+        return infoProperty.get();
+    }
+
+    public ReadOnlyIntegerProperty debugProperty() {
+        return debugProperty.getReadOnlyProperty();
+    }
+
+    public int getDebug() {
+        return debugProperty.get();
+    }
+
+    public void logLine(String line, Log4jLevel level) {
+        Element div = impl.engine.getDocument().createElement("div");
+        // a <pre> element to prevent multiple spaces and tabs being removed.
+        Element pre = impl.engine.getDocument().createElement("pre");
+        pre.setTextContent(line);
+        div.appendChild(pre);
+        impl.body.appendChild(div);
+        impl.engine.executeScript("checkNewLog(\"" + level.name().toLowerCase() + "\");scrollToBottom();");
+
+        switch (level) {
+            case FATAL:
+                fatalProperty.set(fatalProperty.get() + 1);
+                break;
+            case ERROR:
+                errorProperty.set(errorProperty.get() + 1);
+                break;
+            case WARN:
+                warnProperty.set(warnProperty.get() + 1);
+                break;
+            case INFO:
+                infoProperty.set(infoProperty.get() + 1);
+                break;
+            case DEBUG:
+                debugProperty.set(debugProperty.get() + 1);
+                break;
+        }
+    }
+
+    public class LogWindowImpl extends StackPane {
+
+        @FXML
+        public WebView webView;
+        @FXML
+        public ToggleButton btnFatals;
+        @FXML
+        public ToggleButton btnErrors;
+        @FXML
+        public ToggleButton btnWarns;
+        @FXML
+        public ToggleButton btnInfos;
+        @FXML
+        public ToggleButton btnDebugs;
+        @FXML
+        public ComboBox<String> cboLines;
+
+        WebEngine engine;
+        Node body;
+        Document document;
+
+        public LogWindowImpl() {
+            FXUtilsKt.loadFXML(this, "/assets/fxml/log.fxml");
+
+            engine = webView.getEngine();
+            engine.loadContent(Lang.ignoringException(() -> IOUtils.readFullyAsString(getClass().getResourceAsStream("/assets/log-window-content.html")))
+                    .replace("${FONT}", Settings.INSTANCE.getFont().getSize() + "px \"" + Settings.INSTANCE.getFont().getFamily() + "\""));
+            engine.getLoadWorker().stateProperty().addListener((a, b, newValue) -> {
+                if (newValue == Worker.State.SUCCEEDED) {
+                    document = engine.getDocument();
+                    body = document.getElementsByTagName("body").item(0);
+                    engine.executeScript("limitedLogs=" + Settings.INSTANCE.getLogLines());
+                    latch.countDown();
+                    onDone.fireEvent(new Event(LogWindow.this));
+                }
+            });
+
+            boolean flag = false;
+            for (String i : cboLines.getItems())
+                if (Integer.toString(Settings.INSTANCE.getLogLines()).equals(i)) {
+                    cboLines.getSelectionModel().select(i);
+                    flag = true;
+                }
+
+            cboLines.getSelectionModel().selectedItemProperty().addListener((a, b, newValue) -> {
+                Settings.INSTANCE.setLogLines(newValue == null ? 100 : Integer.parseInt(newValue));
+                engine.executeScript("limitedLogs=" + Settings.INSTANCE.getLogLines());
+            });
+
+            if (!flag)
+                cboLines.getSelectionModel().select(0);
+
+            btnFatals.textProperty().bind(Bindings.createStringBinding(() -> Integer.toString(fatalProperty.get()) + " fatals", fatalProperty));
+            btnErrors.textProperty().bind(Bindings.createStringBinding(() -> Integer.toString(errorProperty.get()) + " errors", errorProperty));
+            btnWarns.textProperty().bind(Bindings.createStringBinding(() -> Integer.toString(warnProperty.get()) + " warns", warnProperty));
+            btnInfos.textProperty().bind(Bindings.createStringBinding(() -> Integer.toString(infoProperty.get()) + " infos", infoProperty));
+            btnDebugs.textProperty().bind(Bindings.createStringBinding(() -> Integer.toString(debugProperty.get()) + " debugs", debugProperty));
+
+            btnFatals.selectedProperty().addListener(o -> specificChanged());
+            btnErrors.selectedProperty().addListener(o -> specificChanged());
+            btnWarns.selectedProperty().addListener(o -> specificChanged());
+            btnInfos.selectedProperty().addListener(o -> specificChanged());
+            btnDebugs.selectedProperty().addListener(o -> specificChanged());
+        }
+
+        private void specificChanged() {
+            String res = "";
+            if (btnFatals.isSelected())
+                res += "\"fatal\", ";
+            if (btnErrors.isSelected())
+                res += "\"error\", ";
+            if (btnWarns.isSelected())
+                res += "\"warn\", ";
+            if (btnInfos.isSelected())
+                res += "\"info\", ";
+            if (btnDebugs.isSelected())
+                res += "\"debug\", ";
+            if (StringUtils.isNotBlank(res))
+                res = StringUtils.substringBeforeLast(res, ", ");
+            engine.executeScript("specific([" + res + "])");
+        }
+
+        public void onTerminateGame() {
+            LauncherHelper.stopManagedProcesses();
+        }
+
+        public void onClear() {
+            engine.executeScript("clear()");
+        }
+    }
+}

HMCL/src/main/kotlin/org/jackhuang/hmcl/Events.kt

@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hmcl
 
+import org.jackhuang.hmcl.event.Event
 import org.jackhuang.hmcl.setting.Profile
 import java.util.*
 
@@ -30,7 +31,7 @@ import java.util.*
  * *
  * @author huangyuhui
  */
-class ProfileChangedEvent(source: Any, val value: Profile) : EventObject(source)
+class ProfileChangedEvent(source: Any, val value: Profile) : Event(source)
 
 /**
  * This event gets fired when loading profiles.
@@ -40,4 +41,4 @@ class ProfileChangedEvent(source: Any, val value: Profile) : EventObject(source)
  * *
  * @author huangyuhui
  */
-class ProfileLoadingEvent(source: Any) : EventObject(source)
+class ProfileLoadingEvent(source: Any) : Event(source)

HMCL/src/main/kotlin/org/jackhuang/hmcl/Main.kt

@@ -57,10 +57,10 @@ class Main : Application() {
 
     companion object {
 
-        val VERSION = "@HELLO_MINECRAFT_LAUNCHER_VERSION_FOR_GRADLE_REPLACING@"
-        val NAME = "HMCL"
-        val TITLE = "$NAME $VERSION"
-        val APPDATA = getWorkingDirectory("hmcl")
+        @JvmField val VERSION = "@HELLO_MINECRAFT_LAUNCHER_VERSION_FOR_GRADLE_REPLACING@"
+        @JvmField val NAME = "HMCL"
+        @JvmField val TITLE = "$NAME $VERSION"
+        @JvmField val APPDATA = getWorkingDirectory("hmcl")
 
         @JvmStatic
         fun main(args: Array<String>) {

HMCL/src/main/kotlin/org/jackhuang/hmcl/game/AccountHelper.kt

@@ -1,87 +0,0 @@
-/*
- * 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.game
-
-import javafx.geometry.Rectangle2D
-import javafx.scene.image.Image
-import org.jackhuang.hmcl.Main
-import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccount
-import org.jackhuang.hmcl.setting.Settings
-import org.jackhuang.hmcl.task.FileDownloadTask
-import org.jackhuang.hmcl.task.Scheduler
-import org.jackhuang.hmcl.task.Schedulers
-import org.jackhuang.hmcl.task.Task
-import org.jackhuang.hmcl.ui.DEFAULT_ICON
-import org.jackhuang.hmcl.ui.DialogController
-import org.jackhuang.hmcl.util.toURL
-import java.net.Proxy
-
-object AccountHelper {
-    val SKIN_DIR = Main.APPDATA.resolve("skins")
-
-    fun loadSkins(proxy: Proxy = Settings.proxy) {
-        for (account in Settings.getAccounts().values) {
-            if (account is YggdrasilAccount) {
-                SkinLoadTask(account, proxy, false).start()
-            }
-        }
-    }
-
-    fun loadSkinAsync(account: YggdrasilAccount, proxy: Proxy = Settings.proxy): Task =
-            SkinLoadTask(account, proxy, false)
-
-    fun refreshSkinAsync(account: YggdrasilAccount, proxy: Proxy = Settings.proxy): Task =
-            SkinLoadTask(account, proxy, true)
-
-    private class SkinLoadTask(val account: YggdrasilAccount, val proxy: Proxy, val refresh: Boolean = false): Task() {
-
-        override fun getScheduler() = Schedulers.io()
-        private val dependencies = mutableListOf<Task>()
-        override fun getDependencies() = dependencies
-
-        override fun execute() {
-            if (account.canLogIn() && (account.selectedProfile == null || refresh))
-                DialogController.logIn(account)
-            val profile = account.selectedProfile ?: return
-            val name = profile.name ?: return
-            val url = "http://skins.minecraft.net/MinecraftSkins/$name.png"
-            val file = getSkinFile(name)
-            if (!refresh && file.exists())
-                return
-            dependencies += FileDownloadTask(url.toURL(), file, proxy)
-        }
-    }
-
-    private fun getSkinFile(name: String) = SKIN_DIR.resolve("$name.png")
-
-    fun getSkin(account: YggdrasilAccount, scaleRatio: Double = 1.0): Image {
-        if (account.selectedProfile == null) return DEFAULT_ICON
-        val name = account.selectedProfile?.name ?: return DEFAULT_ICON
-        val file = getSkinFile(name)
-        if (file.exists()) {
-            val original = Image("file:" + file.absolutePath)
-            return Image("file:" + file.absolutePath, original.width * scaleRatio, original.height * scaleRatio, false, false)
-        }
-        else return DEFAULT_ICON
-    }
-
-    fun getViewport(scaleRatio: Double): Rectangle2D {
-        val size = 8.0 * scaleRatio
-        return Rectangle2D(size, size, size, size)
-    }
-}

HMCL/src/main/kotlin/org/jackhuang/hmcl/game/HMCLGameRepository.kt

@@ -1,154 +0,0 @@
-/*
- * 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.game
-
-import com.google.gson.GsonBuilder
-import javafx.beans.InvalidationListener
-import org.jackhuang.hmcl.setting.EnumGameDirectory
-import org.jackhuang.hmcl.setting.Profile
-import org.jackhuang.hmcl.setting.Settings
-import org.jackhuang.hmcl.setting.VersionSetting
-import org.jackhuang.hmcl.task.Schedulers
-import org.jackhuang.hmcl.util.Logging.LOG
-import org.jackhuang.hmcl.util.fromJson
-import java.io.File
-import java.io.IOException
-import java.util.logging.Level
-
-class HMCLGameRepository(val profile: Profile, baseDirectory: File)
-    : DefaultGameRepository(baseDirectory) {
-
-    private val versionSettings = mutableMapOf<String, VersionSetting>()
-    private val beingModpackVersions = mutableSetOf<String>()
-
-    private fun useSelf(version: String, assetId: String): Boolean {
-        val vs = profile.getVersionSetting(version)
-        return File(baseDirectory, "assets/indexes/$assetId.json").exists() || vs.noCommon
-    }
-
-    override fun getAssetDirectory(version: String, assetId: String): File {
-        if (useSelf(version, assetId))
-            return super.getAssetDirectory(version, assetId)
-        else
-            return File(Settings.commonPath).resolve("assets")
-    }
-
-    override fun getRunDirectory(id: String): File {
-        if (beingModpackVersions.contains(id))
-            return getVersionRoot(id)
-        else {
-            val vs = profile.getVersionSetting(id)
-            return when (vs.gameDirType) {
-                EnumGameDirectory.VERSION_FOLDER -> getVersionRoot(id)
-                EnumGameDirectory.ROOT_FOLDER -> super.getRunDirectory(id)
-                EnumGameDirectory.CUSTOM -> File(vs.gameDir)
-            }
-        }
-    }
-
-    override fun getLibraryFile(version: Version, lib: Library): File {
-        val vs = profile.getVersionSetting(version.id)
-        val self = super.getLibraryFile(version, lib);
-        if (self.exists() || vs.noCommon)
-            return self;
-        else
-            return File(Settings.commonPath).resolve("libraries/${lib.path}")
-    }
-
-    @Synchronized
-    override fun refreshVersionsImpl() {
-        Schedulers.newThread().schedule {
-            versionSettings.clear()
-
-            super.refreshVersionsImpl()
-
-            versions.keys.forEach(this::loadVersionSetting)
-
-            checkModpack()
-
-            try {
-                val file = baseDirectory.resolve("launcher_profiles.json")
-                if (!file.exists() && versions.isNotEmpty())
-                    file.writeText(PROFILE)
-            } catch (ex: IOException) {
-                LOG.log(Level.WARNING, "Unable to create launcher_profiles.json, Forge/LiteLoader installer will not work.", ex)
-            }
-        }
-    }
-
-    fun changeDirectory(newDir: File) {
-        baseDirectory = newDir
-        refreshVersions()
-    }
-
-    private fun checkModpack() {}
-
-    private fun getVersionSettingFile(id: String) = getVersionRoot(id).resolve("hmclversion.cfg")
-
-    private fun loadVersionSetting(id: String) {
-        val file = getVersionSettingFile(id)
-        if (file.exists()) {
-            try {
-                val versionSetting = GSON.fromJson<VersionSetting>(file.readText())!!
-                initVersionSetting(id, versionSetting)
-            } catch (ignore: Exception) {
-                // If [JsonParseException], [IOException] or [NullPointerException] happens, the json file is malformed and needed to be recreated.
-            }
-        }
-    }
-
-    private fun saveVersionSetting(id: String) {
-        if (!versionSettings.containsKey(id))
-            return
-
-        getVersionSettingFile(id).writeText(GSON.toJson(versionSettings[id]))
-    }
-
-    private fun initVersionSetting(id: String, vs: VersionSetting): VersionSetting {
-        vs.addPropertyChangedListener(InvalidationListener { saveVersionSetting(id) })
-        versionSettings[id] = vs
-        return vs
-    }
-
-    internal fun createVersionSetting(id: String): VersionSetting? {
-        if (!hasVersion(id)) return null
-        return versionSettings[id] ?: initVersionSetting(id, VersionSetting())
-    }
-
-    fun getVersionSetting(id: String): VersionSetting? {
-        if (!versionSettings.containsKey(id))
-            loadVersionSetting(id)
-        return versionSettings[id]
-    }
-
-    fun getVersionIcon(id: String): File =
-            getVersionRoot(id).resolve("icon.png")
-
-    fun markVersionAsModpack(id: String) {
-        beingModpackVersions += id
-    }
-
-    fun undoMark(id: String) {
-        beingModpackVersions -= id
-    }
-
-    companion object {
-        val PROFILE = "{\"selectedProfile\": \"(Default)\",\"profiles\": {\"(Default)\": {\"name\": \"(Default)\"}},\"clientToken\": \"88888888-8888-8888-8888-888888888888\"}"
-        val GSON = GsonBuilder().registerTypeAdapter(VersionSetting::class.java, VersionSetting).setPrettyPrinting().create()
-    }
-}

HMCL/src/main/kotlin/org/jackhuang/hmcl/game/HMCLMultiCharacterSelector.kt

@@ -17,18 +17,13 @@
  */
 package org.jackhuang.hmcl.game
 
-import org.jackhuang.hmcl.Main
-import org.jackhuang.hmcl.auth.AuthInfo
-import org.jackhuang.hmcl.launch.DefaultLauncher
-import org.jackhuang.hmcl.launch.ProcessListener
+import org.jackhuang.hmcl.auth.Account
+import org.jackhuang.hmcl.auth.MultiCharacterSelector
+import org.jackhuang.hmcl.auth.NoSelectedCharacterException
+import org.jackhuang.hmcl.auth.yggdrasil.GameProfile
 
-class HMCLGameLauncher(repository: GameRepository, versionId: String, account: AuthInfo, options: LaunchOptions, listener: ProcessListener? = null, isDaemon: Boolean = true)
-    : DefaultLauncher(repository, versionId, account, options, listener, isDaemon) {
-
-    override fun appendJvmArgs(res: MutableList<String>) {
-        super.appendJvmArgs(res)
-
-        res.add("-Dminecraft.launcher.version=" + Main.VERSION);
-        res.add("-Dminecraft.launcher.brand=" + Main.NAME);
+object HMCLMultiCharacterSelector : MultiCharacterSelector {
+    override fun select(account: Account, names: MutableList<GameProfile>): GameProfile {
+        return names.firstOrNull() ?: throw NoSelectedCharacterException(account)
     }
 }

HMCL/src/main/kotlin/org/jackhuang/hmcl/game/LauncherHelper.kt

@@ -1,227 +0,0 @@
-/*
- * 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.game
-
-import javafx.application.Platform
-import org.jackhuang.hmcl.Main
-import org.jackhuang.hmcl.auth.AuthInfo
-import org.jackhuang.hmcl.auth.AuthenticationException
-import org.jackhuang.hmcl.launch.DefaultLauncher
-import org.jackhuang.hmcl.launch.ProcessListener
-import org.jackhuang.hmcl.mod.CurseCompletionTask
-import org.jackhuang.hmcl.setting.LauncherVisibility
-import org.jackhuang.hmcl.setting.Settings
-import org.jackhuang.hmcl.setting.VersionSetting
-import org.jackhuang.hmcl.task.*
-import org.jackhuang.hmcl.ui.*
-import org.jackhuang.hmcl.util.Log4jLevel
-import org.jackhuang.hmcl.util.ManagedProcess
-import org.jackhuang.hmcl.util.task
-import java.util.*
-import java.util.concurrent.ConcurrentLinkedQueue
-
-object LauncherHelper {
-    private val launchingStepsPane = LaunchingStepsPane()
-    val PROCESS = ConcurrentLinkedQueue<ManagedProcess>()
-
-    fun launch() {
-        val profile = Settings.selectedProfile
-        val selectedVersion = profile.selectedVersion ?: throw IllegalStateException("No version here")
-        val repository = profile.repository
-        val dependency = profile.dependency
-        val account = Settings.selectedAccount ?: throw IllegalStateException("No account here")
-        val version = repository.getVersion(selectedVersion)
-        val setting = profile.getVersionSetting(selectedVersion)
-
-        Controllers.dialog(launchingStepsPane)
-        task(Schedulers.javafx()) { emitStatus(LoadingState.DEPENDENCIES) }
-                .then(dependency.checkGameCompletionAsync(version))
-
-                .then(task(Schedulers.javafx()) { emitStatus(LoadingState.MODS) })
-                .then(CurseCompletionTask(dependency, selectedVersion))
-
-                .then(task(Schedulers.javafx()) { emitStatus(LoadingState.LOGIN) })
-                .then(task {
-                    try {
-                        it["account"] = account.logIn(Settings.proxy)
-                    } catch (e: AuthenticationException) {
-                        it["account"] = DialogController.logIn(account)
-                        runOnUiThread { Controllers.dialog(launchingStepsPane) }
-                    }
-                })
-
-                .then(task(Schedulers.javafx()) { emitStatus(LoadingState.LAUNCHING) })
-                .then(task {
-                    it["launcher"] = HMCLGameLauncher(
-                            repository = repository,
-                            versionId = selectedVersion,
-                            options = setting.toLaunchOptions(profile.gameDir),
-                            listener = HMCLProcessListener(it["account"], setting),
-                            account = it["account"]
-                    )
-                })
-                .then { it.get<DefaultLauncher>("launcher").launchAsync() }
-                .then(task {
-                    PROCESS.add(it[DefaultLauncher.LAUNCH_ASYNC_ID])
-                    if (setting.launcherVisibility == LauncherVisibility.CLOSE)
-                        Main.stop()
-                })
-
-                .executor()
-                .apply {
-                    taskListener = object : TaskListener() {
-                        var finished = 0
-
-                        override fun onFinished(task: Task) {
-                            ++finished
-                            runOnUiThread { launchingStepsPane.pgsTasks.progress = 1.0 * finished / runningTasks }
-                        }
-
-                        override fun onTerminate() {
-                            runOnUiThread(Controllers::closeDialog)
-                        }
-                    }
-                }.start()
-    }
-
-    fun emitStatus(state: LoadingState) {
-        if (state == LoadingState.DONE) {
-            Controllers.closeDialog()
-        }
-
-        launchingStepsPane.lblCurrentState.text = state.toString()
-        launchingStepsPane.lblSteps.text = "${state.ordinal + 1} / ${LoadingState.values().size}"
-    }
-
-    /**
-     * The managed process listener.
-     * Guarantee that one [JavaProcess], one [HMCLProcessListener].
-     * Because every time we launched a game, we generates a new [HMCLProcessListener]
-     */
-    class HMCLProcessListener(authInfo: AuthInfo?, private val setting: VersionSetting) : ProcessListener {
-        val forbiddenTokens: List<Pair<String, String>> = if (authInfo == null) emptyList() else
-            listOf(
-                    authInfo.authToken to "<access token>",
-                    authInfo.userId to "<uuid>",
-                    authInfo.username to "<player>"
-            )
-        private val launcherVisibility = setting.launcherVisibility
-        private lateinit var process: ManagedProcess
-        private var lwjgl = false
-        private var logWindow: LogWindow? = null
-        private val logs = LinkedList<Pair<String, Log4jLevel>>()
-        override fun setProcess(process: ManagedProcess) {
-            this.process = process
-
-            if (setting.showLogs) {
-                runOnUiThread { logWindow = LogWindow(); logWindow?.show() }
-            }
-        }
-
-        override fun onLog(log: String, level: Log4jLevel) {
-            var newLog = log
-            for ((original, replacement) in forbiddenTokens)
-                newLog = newLog.replace(original, replacement)
-
-            if (level.lessOrEqual(Log4jLevel.ERROR))
-                System.err.print(log)
-            else
-                System.out.print(log)
-
-            runOnUiThread {
-                logs += log to level
-                if (logs.size > Settings.logLines)
-                    logs.removeFirst()
-                logWindow?.logLine(log, level)
-            }
-
-            if (!lwjgl && log.contains("LWJGL Version: ")) {
-                lwjgl = true
-                when (launcherVisibility) {
-                    LauncherVisibility.HIDE_AND_REOPEN -> {
-                        runOnUiThread {
-                            Controllers.stage.hide()
-                            emitStatus(LoadingState.DONE)
-                        }
-                    }
-                    LauncherVisibility.CLOSE -> {
-                        throw Error("Never come to here")
-                    }
-                    LauncherVisibility.KEEP -> {
-                        // No operations here.
-                    }
-                    LauncherVisibility.HIDE -> {
-                        runOnUiThread {
-                            Controllers.stage.close()
-                            emitStatus(LoadingState.DONE)
-                        }
-                    }
-                }
-            }
-        }
-
-        override fun onExit(exitCode: Int, exitType: ProcessListener.ExitType) {
-            if (exitType != ProcessListener.ExitType.NORMAL && logWindow == null){
-                runOnUiThread {
-                    LogWindow().apply {
-                        show()
-                        Schedulers.newThread().schedule {
-                            waitForShown()
-                            runOnUiThread {
-                                for ((line, level) in logs)
-                                    logLine(line, level)
-                            }
-                        }
-                    }
-                }
-            }
-
-            checkExit(launcherVisibility)
-        }
-
-    }
-
-    private fun checkExit(launcherVisibility: LauncherVisibility) {
-        when (launcherVisibility) {
-            LauncherVisibility.HIDE_AND_REOPEN -> runOnUiThread { Controllers.stage.show() }
-            LauncherVisibility.KEEP -> { /* no operations here. */ }
-            LauncherVisibility.CLOSE -> { throw Error("Never get to here") }
-            LauncherVisibility.HIDE -> runOnUiThread {
-                // Shut down the platform when user closed log window.
-                Platform.setImplicitExit(true)
-                // If we use Main.stop(), log window will be halt immediately.
-                Main.stopWithoutJavaFXPlatform()
-            }
-        }
-    }
-
-    fun stopManagedProcesses() {
-        synchronized(PROCESS) {
-            while (PROCESS.isNotEmpty())
-                PROCESS.poll()?.stop()
-        }
-    }
-
-    enum class LoadingState {
-        DEPENDENCIES,
-        MODS,
-        LOGIN,
-        LAUNCHING,
-        DONE
-    }
-}

HMCL/src/main/kotlin/org/jackhuang/hmcl/game/ModpackHelper.kt

@@ -51,7 +51,7 @@ fun readModpackManifest(f: File): Modpack {
 }
 
 fun MultiMCInstanceConfiguration.toVersionSetting(vs: VersionSetting) {
-    vs.usesGlobal = false
+    vs.isUsesGlobal = false
     vs.gameDirType = EnumGameDirectory.VERSION_FOLDER
 
     if (isOverrideJavaLocation) {
@@ -67,7 +67,7 @@ fun MultiMCInstanceConfiguration.toVersionSetting(vs: VersionSetting) {
 
     if (isOverrideCommands) {
         vs.wrapper = wrapperCommand.orEmpty()
-        vs.precalledCommand = preLaunchCommand.orEmpty()
+        vs.preLaunchCommand = preLaunchCommand.orEmpty()
     }
 
     if (isOverrideJavaArgs) {
@@ -75,11 +75,11 @@ fun MultiMCInstanceConfiguration.toVersionSetting(vs: VersionSetting) {
     }
 
     if (isOverrideConsole) {
-        vs.showLogs = isShowConsole
+        vs.isShowLogs = isShowConsole
     }
 
     if (isOverrideWindow) {
-        vs.fullscreen = isFullscreen
+        vs.isFullscreen = isFullscreen
         if (width != null)
             vs.width = width!!
         if (height != null)

HMCL/src/main/kotlin/org/jackhuang/hmcl/setting/Profile.kt

@@ -1,123 +0,0 @@
-/*
- * 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.setting
-
-import com.google.gson.*
-import javafx.beans.InvalidationListener
-import org.jackhuang.hmcl.download.DefaultDependencyManager
-import org.jackhuang.hmcl.event.EventBus
-import org.jackhuang.hmcl.event.RefreshedVersionsEvent
-import org.jackhuang.hmcl.game.HMCLGameRepository
-import org.jackhuang.hmcl.mod.ModManager
-import org.jackhuang.hmcl.ui.runOnUiThread
-import org.jackhuang.hmcl.util.*
-import java.io.File
-import java.lang.reflect.Type
-
-class Profile(name: String = "Default", initialGameDir: File = File(".minecraft"), initialSelectedVersion: String = "") {
-    val nameProperty = ImmediateStringProperty(this, "name", name)
-    var name: String by nameProperty
-
-    val globalProperty = ImmediateObjectProperty<VersionSetting>(this, "global", VersionSetting())
-    var global: VersionSetting by globalProperty
-
-    val selectedVersionProperty = ImmediateObjectProperty<String?>(this, "selectedVersion", initialSelectedVersion)
-    var selectedVersion: String? by selectedVersionProperty
-
-    val gameDirProperty = ImmediateObjectProperty<File>(this, "gameDir", initialGameDir)
-    var gameDir: File by gameDirProperty
-
-    var repository = HMCLGameRepository(this, initialGameDir)
-    val dependency: DefaultDependencyManager get() = DefaultDependencyManager(repository, Settings.downloadProvider, Settings.proxy)
-    var modManager = ModManager(repository)
-
-    init {
-        gameDirProperty.onChange { repository.changeDirectory(it!!) }
-        selectedVersionProperty.onInvalidated(this::verifySelectedVersion)
-        EventBus.EVENT_BUS.channel<RefreshedVersionsEvent>().register { event -> if (event.source == repository) verifySelectedVersion() }
-    }
-
-    private fun verifySelectedVersion() = runOnUiThread {
-        // To prevent not loaded profile's selectedVersion being changed.
-        if (repository.isLoaded && ((selectedVersion == null && repository.getVersions().isNotEmpty()) || (selectedVersion != null && !repository.hasVersion(selectedVersion!!)))) {
-            val newVersion = repository.getVersions().firstOrNull()
-            // will cause anthor change event, we must ensure that there will not be dead recursion.
-            selectedVersion = newVersion?.id
-        }
-    }
-
-    /**
-     * @return null if the given version id does not exist.
-     */
-    fun specializeVersionSetting(id: String): VersionSetting? {
-        var vs = repository.getVersionSetting(id)
-        if (vs == null)
-            vs = repository.createVersionSetting(id) ?: return null
-        vs.usesGlobal = false
-        return vs
-    }
-
-    fun globalizeVersionSetting(id: String) {
-        repository.getVersionSetting(id)?.usesGlobal = true
-    }
-
-    fun isVersionGlobal(id: String): Boolean {
-        return repository.getVersionSetting(id)?.usesGlobal ?: true
-    }
-
-    fun getVersionSetting(id: String): VersionSetting {
-        val vs = repository.getVersionSetting(id)
-        if (vs == null || vs.usesGlobal) {
-            global.isGlobal = true // always keep global.isGlobal = true
-            return global
-        } else
-            return vs
-    }
-
-    fun getSelectedVersionSetting(): VersionSetting? = if (selectedVersion == null) null else getVersionSetting(selectedVersion!!)
-
-    fun addPropertyChangedListener(listener: InvalidationListener) {
-        nameProperty.addListener(listener)
-        globalProperty.addListener(listener)
-        selectedVersionProperty.addListener(listener)
-        gameDirProperty.addListener(listener)
-    }
-
-    companion object Serializer: JsonSerializer<Profile>, JsonDeserializer<Profile> {
-        override fun serialize(src: Profile?, typeOfSrc: Type?, context: JsonSerializationContext): JsonElement {
-            if (src == null) return JsonNull.INSTANCE
-            val jsonObject = JsonObject()
-            with(jsonObject) {
-                add("global", context.serialize(src.global))
-                addProperty("selectedVersion", src.selectedVersion)
-                addProperty("gameDir", src.gameDir.path)
-            }
-
-            return jsonObject
-        }
-
-        override fun deserialize(json: JsonElement?, typeOfT: Type?, context: JsonDeserializationContext): Profile? {
-            if (json == null || json == JsonNull.INSTANCE || json !is JsonObject) return null
-
-            return Profile(initialGameDir = File(json["gameDir"]?.asString ?: ""), initialSelectedVersion = json["selectedVersion"]?.asString ?: "").apply {
-                global = context.deserialize(json["global"], VersionSetting::class.java)
-            }
-        }
-
-    }
-}

HMCL/src/main/kotlin/org/jackhuang/hmcl/setting/Settings.kt

@@ -42,8 +42,8 @@ import java.util.logging.Level
 
 object Settings {
     val GSON = GsonBuilder()
-            .registerTypeAdapter(VersionSetting::class.java, VersionSetting)
-            .registerTypeAdapter(Profile::class.java, Profile)
+            .registerTypeAdapter(VersionSetting::class.java, VersionSetting.Serializer.INSTANCE)
+            .registerTypeAdapter(Profile::class.java, Profile.Serializer.INSTANCE)
             .registerTypeAdapter(File::class.java, FileTypeAdapter.INSTANCE)
             .setPrettyPrinting().create()
 

HMCL/src/main/kotlin/org/jackhuang/hmcl/setting/VersionSetting.kt

@@ -1,336 +0,0 @@
-/*
- * 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.setting
-
-import com.google.gson.*
-import javafx.beans.InvalidationListener
-import org.jackhuang.hmcl.Main
-import org.jackhuang.hmcl.game.LaunchOptions
-import org.jackhuang.hmcl.setting.Settings.proxyHost
-import org.jackhuang.hmcl.setting.Settings.proxyPass
-import org.jackhuang.hmcl.setting.Settings.proxyPort
-import org.jackhuang.hmcl.setting.Settings.proxyUser
-import org.jackhuang.hmcl.util.*
-import java.io.File
-import java.io.IOException
-import java.lang.reflect.Type
-
-class VersionSetting() {
-
-    var isGlobal: Boolean = false
-
-    /**
-     * HMCL Version Settings have been divided into 2 parts.
-     * 1. Global settings.
-     * 2. Version settings.
-     * If a version claims that it uses global settings, its version setting will be disabled.
-     *
-     * Defaults false because if one version uses global first, custom version file will not be generated.
-     */
-    val usesGlobalProperty = ImmediateBooleanProperty(this, "usesGlobal", false)
-    var usesGlobal: Boolean by usesGlobalProperty
-
-    // java
-
-    /**
-     * Java version or null if user customizes java directory.
-     */
-    val javaProperty = ImmediateStringProperty(this, "java", "")
-    var java: String by javaProperty
-
-    /**
-     * User customized java directory or null if user uses system Java.
-     */
-    val javaDirProperty = ImmediateStringProperty(this, "javaDir", "")
-    var javaDir: String by javaDirProperty
-
-    /**
-     * The command to launch java, i.e. optirun.
-     */
-    val wrapperProperty = ImmediateStringProperty(this, "wrapper", "")
-    var wrapper: String by wrapperProperty
-
-    /**
-     * The permanent generation size of JVM garbage collection.
-     */
-    val permSizeProperty = ImmediateStringProperty(this, "permSize", "")
-    var permSize: String by permSizeProperty
-
-    /**
-     * The maximum memory that JVM can allocate for heap.
-     */
-    val maxMemoryProperty = ImmediateIntegerProperty(this, "maxMemory", OperatingSystem.SUGGESTED_MEMORY.toInt())
-    var maxMemory: Int by maxMemoryProperty
-
-    /**
-     * The minimum memory that JVM can allocate for heap.
-     */
-    val minMemoryProperty = ImmediateObjectProperty<Int?>(this, "minMemory", null)
-    var minMemory: Int? by minMemoryProperty
-
-    /**
-     * The command that will be executed before launching the Minecraft.
-     * Operating system relevant.
-     */
-    val precalledCommandProperty = ImmediateStringProperty(this, "precalledCommand", "")
-    var precalledCommand: String by precalledCommandProperty
-
-    // options
-
-    /**
-     * The user customized arguments passed to JVM.
-     */
-    val javaArgsProperty = ImmediateStringProperty(this, "javaArgs", "")
-    var javaArgs: String by javaArgsProperty
-
-    /**
-     * The user customized arguments passed to Minecraft.
-     */
-    val minecraftArgsProperty = ImmediateStringProperty(this, "minecraftArgs", "")
-    var minecraftArgs: String by minecraftArgsProperty
-
-    /**
-     * True if disallow HMCL use default JVM arguments.
-     */
-    val noJVMArgsProperty = ImmediateBooleanProperty(this, "noJVMArgs", false)
-    var noJVMArgs: Boolean by noJVMArgsProperty
-
-    /**
-     * True if HMCL does not check game's completeness.
-     */
-    val notCheckGameProperty = ImmediateBooleanProperty(this, "notCheckGame", false)
-    var notCheckGame: Boolean by notCheckGameProperty
-
-    /**
-     * True if HMCL does not find/download libraries in/to common path.
-     */
-    val noCommonProperty = ImmediateBooleanProperty(this, "noCommon", false)
-    var noCommon: Boolean by noCommonProperty
-
-    /**
-     * True if show the logs after game launched.
-     */
-    val showLogsProperty = ImmediateBooleanProperty(this, "showLogs", false)
-    var showLogs: Boolean by showLogsProperty
-
-    // Minecraft settings.
-
-    /**
-     * The server ip that will be entered after Minecraft successfully loaded immediately.
-     *
-     * Format: ip:port or without port.
-     */
-    val serverIpProperty = ImmediateStringProperty(this, "serverIp", "")
-    var serverIp: String by serverIpProperty
-
-    /**
-     * True if Minecraft started in fullscreen mode.
-     */
-    val fullscreenProperty = ImmediateBooleanProperty(this, "fullscreen", false)
-    var fullscreen: Boolean by fullscreenProperty
-
-    /**
-     * The width of Minecraft window, defaults 800.
-     *
-     * The field saves int value.
-     * String type prevents unexpected value from causing JsonSyntaxException.
-     * We can only reset this field instead of recreating the whole setting file.
-     */
-    val widthProperty = ImmediateIntegerProperty(this, "width", 854)
-    var width: Int by widthProperty
-
-
-    /**
-     * The height of Minecraft window, defaults 480.
-     *
-     * The field saves int value.
-     * String type prevents unexpected value from causing JsonSyntaxException.
-     * We can only reset this field instead of recreating the whole setting file.
-     */
-    val heightProperty = ImmediateIntegerProperty(this, "height", 480)
-    var height: Int by heightProperty
-
-
-    /**
-     * 0 - .minecraft<br/>
-     * 1 - .minecraft/versions/&lt;version&gt;/<br/>
-     */
-    val gameDirTypeProperty = ImmediateObjectProperty<EnumGameDirectory>(this, "gameDirType", EnumGameDirectory.ROOT_FOLDER)
-    var gameDirType: EnumGameDirectory by gameDirTypeProperty
-
-    /**
-     * Your custom gameDir
-     */
-    val gameDirProperty = ImmediateStringProperty(this, "gameDir", "")
-    var gameDir: String by gameDirProperty
-
-    // launcher settings
-
-    /**
-     * 0 - Close the launcher when the game starts.<br/>
-     * 1 - Hide the launcher when the game starts.<br/>
-     * 2 - Keep the launcher open.<br/>
-     */
-    val launcherVisibilityProperty = ImmediateObjectProperty<LauncherVisibility>(this, "launcherVisibility", LauncherVisibility.HIDE)
-    var launcherVisibility: LauncherVisibility by launcherVisibilityProperty
-
-    val javaVersion: JavaVersion? get() {
-        // TODO: lazy initialization may result in UI suspension.
-        if (java.isBlank())
-            java = if (javaDir.isBlank()) "Default" else "Custom"
-        if (java == "Default") return JavaVersion.fromCurrentEnvironment()
-        else if (java == "Custom") {
-            try {
-                return JavaVersion.fromExecutable(File(javaDir))
-            } catch (e: IOException) {
-                return null // Custom Java Directory not found,
-            }
-        } else if (java.isNotBlank()) {
-            val c = JavaVersion.getJREs()[java]
-            if (c == null) {
-                java = "Default"
-                return JavaVersion.fromCurrentEnvironment()
-            } else
-                return c
-        } else throw Error()
-    }
-
-    fun addPropertyChangedListener(listener: InvalidationListener) {
-        usesGlobalProperty.addListener(listener)
-        javaProperty.addListener(listener)
-        javaDirProperty.addListener(listener)
-        wrapperProperty.addListener(listener)
-        permSizeProperty.addListener(listener)
-        maxMemoryProperty.addListener(listener)
-        minMemoryProperty.addListener(listener)
-        precalledCommandProperty.addListener(listener)
-        javaArgsProperty.addListener(listener)
-        minecraftArgsProperty.addListener(listener)
-        noJVMArgsProperty.addListener(listener)
-        notCheckGameProperty.addListener(listener)
-        noCommonProperty.addListener(listener)
-        showLogsProperty.addListener(listener)
-        serverIpProperty.addListener(listener)
-        fullscreenProperty.addListener(listener)
-        widthProperty.addListener(listener)
-        heightProperty.addListener(listener)
-        gameDirTypeProperty.addListener(listener)
-        gameDirProperty.addListener(listener)
-        launcherVisibilityProperty.addListener(listener)
-    }
-
-    @Throws(IOException::class)
-    fun toLaunchOptions(gameDir: File): LaunchOptions {
-        return LaunchOptions.Builder()
-                .setGameDir(gameDir)
-                .setJava(javaVersion ?: JavaVersion.fromCurrentEnvironment())
-                .setVersionName(Main.TITLE)
-                .setProfileName(Main.TITLE)
-                .setMinecraftArgs(minecraftArgs)
-                .setJavaArgs(javaArgs)
-                .setMaxMemory(maxMemory)
-                .setMinMemory(minMemory)
-                .setMetaspace(permSize.toIntOrNull())
-                .setWidth(width)
-                .setHeight(height)
-                .setFullscreen(fullscreen)
-                .setServerIp(serverIp)
-                .setWrapper(wrapper)
-                .setProxyHost(Settings.proxyHost)
-                .setProxyPort(Settings.proxyPort)
-                .setProxyUser(Settings.proxyUser)
-                .setProxyPass(Settings.proxyPass)
-                .setPrecalledCommand(precalledCommand)
-                .setNoGeneratedJVMArgs(noJVMArgs)
-                .create()
-    }
-
-    companion object Serializer: JsonSerializer<VersionSetting>, JsonDeserializer<VersionSetting> {
-        override fun serialize(src: VersionSetting?, typeOfSrc: Type?, context: JsonSerializationContext?): JsonElement {
-            if (src == null) return JsonNull.INSTANCE
-            val jsonObject = JsonObject()
-            with(jsonObject) {
-                addProperty("usesGlobal", src.usesGlobal)
-                addProperty("javaArgs", src.javaArgs)
-                addProperty("minecraftArgs", src.minecraftArgs)
-                addProperty("maxMemory", if (src.maxMemory <= 0) OperatingSystem.SUGGESTED_MEMORY.toInt() else src.maxMemory)
-                addProperty("minMemory", src.minMemory)
-                addProperty("permSize", src.permSize)
-                addProperty("width", src.width)
-                addProperty("height", src.height)
-                addProperty("javaDir", src.javaDir)
-                addProperty("precalledCommand", src.precalledCommand)
-                addProperty("serverIp", src.serverIp)
-                addProperty("java", src.java)
-                addProperty("wrapper", src.wrapper)
-                addProperty("fullscreen", src.fullscreen)
-                addProperty("noJVMArgs", src.noJVMArgs)
-                addProperty("notCheckGame", src.notCheckGame)
-                addProperty("noCommon", src.noCommon)
-                addProperty("showLogs", src.showLogs)
-                addProperty("gameDir", src.gameDir)
-                addProperty("launcherVisibility", src.launcherVisibility.ordinal)
-                addProperty("gameDirType", src.gameDirType.ordinal)
-            }
-
-            return jsonObject
-        }
-
-        override fun deserialize(json: JsonElement?, typeOfT: Type?, context: JsonDeserializationContext?): VersionSetting? {
-            if (json == null || json == JsonNull.INSTANCE || json !is JsonObject) return null
-
-            var maxMemoryN = parseJsonPrimitive(json["maxMemory"]?.asJsonPrimitive, OperatingSystem.SUGGESTED_MEMORY.toInt())
-            if (maxMemoryN <= 0) maxMemoryN = OperatingSystem.SUGGESTED_MEMORY.toInt()
-
-            return VersionSetting().apply {
-                usesGlobal = json["usesGlobal"]?.asBoolean ?: false
-                javaArgs = json["javaArgs"]?.asString ?: ""
-                minecraftArgs = json["minecraftArgs"]?.asString ?: ""
-                maxMemory = maxMemoryN
-                minMemory = json["minMemory"]?.asInt
-                permSize = json["permSize"]?.asString ?: ""
-                width = parseJsonPrimitive(json["width"]?.asJsonPrimitive)
-                height = parseJsonPrimitive(json["height"]?.asJsonPrimitive)
-                javaDir = json["javaDir"]?.asString ?: ""
-                precalledCommand = json["precalledCommand"]?.asString ?: ""
-                serverIp = json["serverIp"]?.asString ?: ""
-                java = json["java"]?.asString ?: ""
-                wrapper = json["wrapper"]?.asString ?: ""
-                gameDir = json["gameDir"]?.asString ?: ""
-                fullscreen = json["fullscreen"]?.asBoolean ?: false
-                noJVMArgs = json["noJVMArgs"]?.asBoolean ?: false
-                notCheckGame = json["notCheckGame"]?.asBoolean ?: false
-                noCommon = json["noCommon"]?.asBoolean ?: false
-                showLogs = json["showLogs"]?.asBoolean ?: false
-                launcherVisibility = LauncherVisibility.values()[json["launcherVisibility"]?.asInt ?: 1]
-                gameDirType = EnumGameDirectory.values()[json["gameDirType"]?.asInt ?: 0]
-            }
-        }
-
-        fun parseJsonPrimitive(primitive: JsonPrimitive?, defaultValue: Int = 0): Int {
-            if (primitive != null)
-                if (primitive.isNumber)
-                    return primitive.asInt
-                else
-                    return primitive.asString.toIntOrNull() ?: defaultValue
-            else
-                return defaultValue
-        }
-
-    }
-}

HMCL/src/main/kotlin/org/jackhuang/hmcl/ui/AccountsPage.kt

@@ -28,11 +28,13 @@ import javafx.scene.control.ScrollPane
 import javafx.scene.control.ToggleGroup
 import javafx.scene.layout.StackPane
 import org.jackhuang.hmcl.auth.Account
+import org.jackhuang.hmcl.auth.MultiCharacterSelector
 import org.jackhuang.hmcl.auth.OfflineAccount
 import org.jackhuang.hmcl.auth.OfflineAccountFactory
 import org.jackhuang.hmcl.auth.yggdrasil.InvalidCredentialsException
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccount
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccountFactory
+import org.jackhuang.hmcl.game.HMCLMultiCharacterSelector
 import org.jackhuang.hmcl.i18n
 import org.jackhuang.hmcl.setting.Settings
 import org.jackhuang.hmcl.task.Schedulers
@@ -133,7 +135,7 @@ class AccountsPage() : StackPane(), DecoratorPage {
                     else -> throw UnsupportedOperationException()
                 }
 
-                account.logIn(Settings.proxy)
+                account.logIn(HMCLMultiCharacterSelector, Settings.proxy)
                 account
             } catch (e: Exception) {
                 e

HMCL/src/main/kotlin/org/jackhuang/hmcl/ui/Controllers.kt

@@ -52,7 +52,7 @@ object Controllers {
 
         decorator.isCustomMaximize = false
 
-        scene = Scene(decorator, 800.0, 480.0)
+        scene = Scene(decorator, 804.0, 521.0)
         scene.stylesheets.addAll(*stylesheets)
         stage.minWidth = 800.0
         stage.maxWidth = 800.0

HMCL/src/main/kotlin/org/jackhuang/hmcl/ui/FXUtils.kt

@@ -266,4 +266,4 @@ fun ImageView.limitSize(maxWidth: Double, maxHeight: Double) {
     }
 }
 
-val DEFAULT_ICON = Image("/assets/img/icon.png")
+@JvmField val DEFAULT_ICON = Image("/assets/img/icon.png")

HMCL/src/main/kotlin/org/jackhuang/hmcl/ui/LeftPaneController.kt

@@ -97,9 +97,7 @@ class LeftPaneController(private val leftPane: AdvancedListBox) {
     fun onProfilesLoading() {
         val list = LinkedList<RipplerContainer>()
         Settings.getProfiles().forEach { profile ->
-            val item = VersionListItem(profile.name).apply {
-                lblGameVersion.textProperty().bind(profile.selectedVersionProperty)
-            }
+            val item = VersionListItem(profile.name)
             val ripplerContainer = RipplerContainer(item)
             item.onSettingsButtonClicked {
                 Controllers.decorator.showPage(ProfilePage(profile))

HMCL/src/main/kotlin/org/jackhuang/hmcl/ui/LogWindow.kt

@@ -1,156 +0,0 @@
-/*
- * 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.ui
-
-import com.jfoenix.controls.JFXComboBox
-import javafx.beans.Observable
-import javafx.beans.binding.Bindings
-import javafx.beans.property.SimpleIntegerProperty
-import javafx.concurrent.Worker
-import javafx.fxml.FXML
-import javafx.scene.Scene
-import javafx.scene.control.ToggleButton
-import javafx.scene.image.Image
-import javafx.scene.layout.StackPane
-import javafx.scene.web.WebEngine
-import javafx.scene.web.WebView
-import javafx.stage.Stage
-import netscape.javascript.JSObject
-import org.jackhuang.hmcl.game.LauncherHelper
-import org.jackhuang.hmcl.i18n
-import org.jackhuang.hmcl.setting.Settings
-import org.jackhuang.hmcl.util.*
-import org.w3c.dom.Document
-import org.w3c.dom.Node
-import java.util.concurrent.Callable
-import java.util.concurrent.CountDownLatch
-
-class LogWindow : Stage() {
-    val fatalProperty = SimpleIntegerProperty(0)
-    val errorProperty = SimpleIntegerProperty(0)
-    val warnProperty = SimpleIntegerProperty(0)
-    val infoProperty = SimpleIntegerProperty(0)
-    val debugProperty = SimpleIntegerProperty(0)
-
-    val impl = LogWindowImpl()
-    val latch = CountDownLatch(1)
-
-    init {
-        scene = Scene(impl, 800.0, 480.0)
-        scene.stylesheets.addAll(*stylesheets)
-        title = i18n("logwindow.title")
-        icons += Image("/assets/img/icon.png")
-    }
-
-    fun logLine(line: String, level: Log4jLevel) {
-        impl.body.appendChild(impl.engine.document.createElement("div").apply {
-            // a <pre> element to prevent multiple spaces and tabs being removed.
-            appendChild(impl.engine.document.createElement("pre").apply {
-                textContent = line
-            })
-        })
-        impl.engine.executeScript("checkNewLog(\"${level.name.toLowerCase()}\");scrollToBottom();")
-
-        when (level) {
-            Log4jLevel.FATAL -> fatalProperty.inc()
-            Log4jLevel.ERROR -> errorProperty.inc()
-            Log4jLevel.WARN -> warnProperty.inc()
-            Log4jLevel.INFO -> infoProperty.inc()
-            Log4jLevel.DEBUG -> debugProperty.inc()
-            else -> {}
-        }
-    }
-
-    fun waitForShown() = latch.await()
-
-    inner class LogWindowImpl: StackPane() {
-        @FXML lateinit var webView: WebView
-        @FXML lateinit var btnFatals: ToggleButton
-        @FXML lateinit var btnErrors: ToggleButton
-        @FXML lateinit var btnWarns: ToggleButton
-        @FXML lateinit var btnInfos: ToggleButton
-        @FXML lateinit var btnDebugs: ToggleButton
-
-        @FXML lateinit var cboLines: JFXComboBox<String>
-        val engine: WebEngine
-        lateinit var body: Node
-        lateinit var document: Document
-
-        init {
-            loadFXML("/assets/fxml/log.fxml")
-
-            engine = webView.engine
-            engine.loadContent(javaClass.getResourceAsStream("/assets/log-window-content.html").readFullyAsString().replace("\${FONT}", "${Settings.font.size}px \"${Settings.font.family}\""))
-            engine.loadWorker.stateProperty().onChange {
-                if (it == Worker.State.SUCCEEDED) {
-                    document = engine.document
-                    body = document.getElementsByTagName("body").item(0)
-                    engine.executeScript("limitedLogs=${Settings.logLines};")
-                    latch.countDown()
-                }
-            }
-
-            var flag = false
-            for (i in cboLines.items) {
-                if (i == Settings.logLines.toString()) {
-                    cboLines.selectionModel.select(i)
-                    flag = true
-                }
-            }
-            cboLines.selectionModel.selectedItemProperty().onChange {
-                Settings.logLines = it?.toInt() ?: 100
-                engine.executeScript("limitedLogs=${Settings.logLines};")
-            }
-            if (!flag) {
-                cboLines.selectionModel.select(0)
-            }
-
-            btnFatals.textProperty().bind(Bindings.createStringBinding(Callable { fatalProperty.get().toString() + " fatals" }, fatalProperty))
-            btnErrors.textProperty().bind(Bindings.createStringBinding(Callable { errorProperty.get().toString() + " errors" }, errorProperty))
-            btnWarns.textProperty().bind(Bindings.createStringBinding(Callable { warnProperty.get().toString() + " warns" }, warnProperty))
-            btnInfos.textProperty().bind(Bindings.createStringBinding(Callable { infoProperty.get().toString() + " infos" }, infoProperty))
-            btnDebugs.textProperty().bind(Bindings.createStringBinding(Callable { debugProperty.get().toString() + " debugs" }, debugProperty))
-
-            btnFatals.selectedProperty().onInvalidated(this::specificChanged)
-            btnErrors.selectedProperty().onInvalidated(this::specificChanged)
-            btnWarns.selectedProperty().onInvalidated(this::specificChanged)
-            btnInfos.selectedProperty().onInvalidated(this::specificChanged)
-            btnDebugs.selectedProperty().onInvalidated(this::specificChanged)
-        }
-
-        private fun specificChanged() {
-            var res = ""
-            if (btnFatals.isSelected) res += "\"fatal\", "
-            if (btnErrors.isSelected) res += "\"error\", "
-            if (btnWarns.isSelected) res += "\"warn\", "
-            if (btnInfos.isSelected) res += "\"info\", "
-            if (btnDebugs.isSelected) res += "\"debug\", "
-            if (res.isNotBlank())
-                res = res.substringBeforeLast(", ")
-            engine.executeScript("specific([$res])")
-        }
-
-        fun onTerminateGame() {
-            LauncherHelper.stopManagedProcesses()
-        }
-
-        fun onClear() {
-            engine.executeScript("clear()")
-        }
-    }
-}

HMCL/src/main/kotlin/org/jackhuang/hmcl/ui/MainPage.kt

@@ -21,10 +21,8 @@ import com.jfoenix.controls.JFXButton
 import com.jfoenix.controls.JFXMasonryPane
 import javafx.application.Platform
 import javafx.beans.property.SimpleStringProperty
-import javafx.beans.property.StringProperty
 import javafx.fxml.FXML
 import javafx.scene.Node
-import javafx.scene.control.ToggleGroup
 import javafx.scene.image.Image
 import javafx.scene.layout.StackPane
 import org.jackhuang.hmcl.ProfileChangedEvent
@@ -36,11 +34,9 @@ import org.jackhuang.hmcl.game.LauncherHelper
 import org.jackhuang.hmcl.i18n
 import org.jackhuang.hmcl.setting.Profile
 import org.jackhuang.hmcl.setting.Settings
-import org.jackhuang.hmcl.ui.construct.RipplerContainer
 import org.jackhuang.hmcl.ui.download.DownloadWizardProvider
 import org.jackhuang.hmcl.ui.wizard.DecoratorPage
 import org.jackhuang.hmcl.util.channel
-import org.jackhuang.hmcl.util.onChange
 import org.jackhuang.hmcl.util.plusAssign
 
 /**
@@ -49,7 +45,6 @@ import org.jackhuang.hmcl.util.plusAssign
 class MainPage : StackPane(), DecoratorPage {
     override val titleProperty = SimpleStringProperty(this, "title", i18n("launcher.title.main"))
 
-    @FXML lateinit var btnLaunch: JFXButton
     @FXML lateinit var btnRefresh: JFXButton
     @FXML lateinit var btnAdd: JFXButton
     @FXML lateinit var masonryPane: JFXMasonryPane
@@ -57,32 +52,24 @@ class MainPage : StackPane(), DecoratorPage {
     init {
         loadFXML("/assets/fxml/main.fxml")
 
-        btnLaunch.graphic = SVG.launch("white", 15.0, 15.0)
-        btnLaunch.limitWidth(40.0)
-        btnLaunch.limitHeight(40.0)
-
-        EventBus.EVENT_BUS.channel<RefreshedVersionsEvent>() += { -> loadVersions() }
+        EventBus.EVENT_BUS.channel<RefreshedVersionsEvent>() += { -> runOnUiThread { loadVersions() } }
         EventBus.EVENT_BUS.channel<ProfileLoadingEvent>() += this::onProfilesLoading
         EventBus.EVENT_BUS.channel<ProfileChangedEvent>() += this::onProfileChanged
 
         btnAdd.setOnMouseClicked { Controllers.decorator.startWizard(DownloadWizardProvider(), "Install New Game") }
         btnRefresh.setOnMouseClicked { Settings.selectedProfile.repository.refreshVersions() }
-        btnLaunch.setOnMouseClicked {
-            if (Settings.selectedAccount == null) {
-                Controllers.dialog(i18n("login.no_Player007"))
-            } else if (Settings.selectedProfile.selectedVersion == null) {
-                Controllers.dialog(i18n("minecraft.no_selected_version"))
-            } else
-                LauncherHelper.launch()
-        }
     }
 
-    private fun buildNode(i: Int, profile: Profile, version: String, game: String, group: ToggleGroup): Node {
-        return VersionItem(i, group).apply {
-            chkSelected.properties["version"] = version
-            chkSelected.isSelected = profile.selectedVersion == version
+    private fun buildNode(i: Int, profile: Profile, version: String, game: String): Node {
+        return VersionItem().apply {
             lblGameVersion.text = game
             lblVersionName.text = version
+            btnLaunch.setOnMouseClicked {
+                if (Settings.selectedAccount == null) {
+                    Controllers.dialog(i18n("login.no_Player007"))
+                } else
+                    LauncherHelper.INSTANCE.launch(version)
+            }
             btnDelete.setOnMouseClicked {
                 profile.repository.removeVersionFromDisk(version)
                 Platform.runLater { loadVersions() }
@@ -103,30 +90,15 @@ class MainPage : StackPane(), DecoratorPage {
 
     fun onProfileChanged(event: ProfileChangedEvent) = runOnUiThread {
         val profile = event.value
-        profile.selectedVersionProperty.setChangedListener {
-            versionChanged(profile.selectedVersion)
-        }
         loadVersions(profile)
     }
 
     private fun loadVersions(profile: Profile = Settings.selectedProfile) {
-        val group = ToggleGroup()
         val children = mutableListOf<Node>()
         var i = 0
-        profile.repository.getVersions().forEach { version ->
-            children += buildNode(++i, profile, version.id, minecraftVersion(profile.repository.getVersionJar(version.id)) ?: "Unknown", group)
-        }
-        group.selectedToggleProperty().onChange {
-            if (it != null)
-                profile.selectedVersion = it.properties["version"] as String
+        profile.repository.versions.forEach { version ->
+            children += buildNode(++i, profile, version.id, minecraftVersion(profile.repository.getVersionJar(version.id)) ?: "Unknown")
         }
         masonryPane.resetChildren(children)
     }
-
-    @Suppress("UNCHECKED_CAST")
-    fun versionChanged(selectedVersion: String?) {
-        masonryPane.children
-                .filter { it is RipplerContainer && it.properties["version"] is Pair<*, *> }
-                .forEach { (it as RipplerContainer).selected = (it.properties["version"] as Pair<String, VersionListItem>).first == selectedVersion }
-    }
 }

HMCL/src/main/kotlin/org/jackhuang/hmcl/ui/ProfilePage.kt

@@ -75,7 +75,7 @@ class ProfilePage(private val profile: Profile?): StackPane(), DecoratorPage {
             if (locationProperty.get().isNullOrBlank()) {
                 gameDir.onExplore()
             }
-            Settings.putProfile(Profile(name = txtProfileName.text, initialGameDir = File(locationProperty.get())))
+            Settings.putProfile(Profile(txtProfileName.text, File(locationProperty.get())))
         }
 
         Settings.onProfileLoading()

HMCL/src/main/kotlin/org/jackhuang/hmcl/ui/VersionItem.kt

@@ -32,15 +32,15 @@ import javafx.scene.layout.VBox
 import javafx.scene.paint.Color
 import java.util.concurrent.Callable
 
-class VersionItem(i: Int, group: ToggleGroup) : StackPane() {
+class VersionItem() : StackPane() {
     @FXML lateinit var icon: Pane
     @FXML lateinit var content: VBox
     @FXML lateinit var header: StackPane
     @FXML lateinit var body: StackPane
     @FXML lateinit var btnDelete: JFXButton
     @FXML lateinit var btnSettings: JFXButton
+    @FXML lateinit var btnLaunch: JFXButton
     @FXML lateinit var lblVersionName: Label
-    @FXML lateinit var chkSelected: JFXRadioButton
     @FXML lateinit var lblGameVersion: Label
     @FXML lateinit var iconView: ImageView
 
@@ -52,20 +52,20 @@ class VersionItem(i: Int, group: ToggleGroup) : StackPane() {
 
         effect = DropShadow(BlurType.GAUSSIAN, Color.rgb(0, 0, 0, 0.26), 5.0, 0.12, -1.0, 1.0)
 
-        chkSelected.toggleGroup = group
         btnSettings.graphic = SVG.gear("black", 15.0, 15.0)
         btnDelete.graphic = SVG.delete("black", 15.0, 15.0)
+        btnLaunch.graphic = SVG.launch("black", 15.0, 15.0)
 
         // create content
-        val headerColor = getDefaultColor(i % 12)
-        header.style = "-fx-background-radius: 2 2 0 0; -fx-background-color: " + headerColor
+        //val headerColor = getDefaultColor(i % 12)
+        //header.style = "-fx-background-radius: 2 2 0 0; -fx-background-color: " + headerColor
 
         // create image view
-        icon.translateYProperty().bind(Bindings.createDoubleBinding(Callable { header.boundsInParent.height - icon.height / 2 - 32.0 }, header.boundsInParentProperty(), icon.heightProperty()))
+        icon.translateYProperty().bind(Bindings.createDoubleBinding(Callable { header.boundsInParent.height - icon.height / 2 - 16.0 }, header.boundsInParentProperty(), icon.heightProperty()))
         iconView.limitSize(32.0, 32.0)
     }
 
-    private fun getDefaultColor(i: Int): String {
+    /*private fun getDefaultColor(i: Int): String {
         var color = "#FFFFFF"
         when (i) {
             0 -> color = "#8F3F7E"
@@ -85,5 +85,5 @@ class VersionItem(i: Int, group: ToggleGroup) : StackPane() {
             }
         }
         return color
-    }
+    }*/
 }

HMCL/src/main/kotlin/org/jackhuang/hmcl/ui/VersionSettingsController.kt

@@ -117,39 +117,39 @@ class VersionSettingsController {
         this.versionId = versionId
 
         lastVersionSetting?.apply {
-            widthProperty.unbind()
-            heightProperty.unbind()
-            maxMemoryProperty.unbind()
-            javaArgsProperty.unbind()
-            minecraftArgsProperty.unbind()
-            permSizeProperty.unbind()
-            wrapperProperty.unbind()
-            precalledCommandProperty.unbind()
-            serverIpProperty.unbind()
-            fullscreenProperty.unbind()
-            notCheckGameProperty.unbind()
-            noCommonProperty.unbind()
-            javaDirProperty.unbind()
-            showLogsProperty.unbind()
+            widthProperty().unbind()
+            heightProperty().unbind()
+            maxMemoryProperty().unbind()
+            javaArgsProperty().unbind()
+            minecraftArgsProperty().unbind()
+            permSizeProperty().unbind()
+            wrapperProperty().unbind()
+            preLaunchCommandProperty().unbind()
+            serverIpProperty().unbind()
+            fullscreenProperty().unbind()
+            notCheckGameProperty().unbind()
+            noCommonProperty().unbind()
+            javaDirProperty().unbind()
+            showLogsProperty().unbind()
             unbindEnum(cboLauncherVisibility)
         }
 
-        bindInt(txtWidth, version.widthProperty)
-        bindInt(txtHeight, version.heightProperty)
-        bindInt(txtMaxMemory, version.maxMemoryProperty)
-        bindString(javaItem.txtCustom, version.javaDirProperty)
-        bindString(gameDirItem.txtCustom, version.gameDirProperty)
-        bindString(txtJVMArgs, version.javaArgsProperty)
-        bindString(txtGameArgs, version.minecraftArgsProperty)
-        bindString(txtMetaspace, version.permSizeProperty)
-        bindString(txtWrapper, version.wrapperProperty)
-        bindString(txtPrecallingCommand, version.precalledCommandProperty)
-        bindString(txtServerIP, version.serverIpProperty)
-        bindEnum(cboLauncherVisibility, version.launcherVisibilityProperty)
-        bindBoolean(chkFullscreen, version.fullscreenProperty)
-        bindBoolean(chkNoGameCheck, version.notCheckGameProperty)
-        bindBoolean(chkNoCommon, version.noCommonProperty)
-        bindBoolean(chkShowLogs, version.showLogsProperty)
+        bindInt(txtWidth, version.widthProperty())
+        bindInt(txtHeight, version.heightProperty())
+        bindInt(txtMaxMemory, version.maxMemoryProperty())
+        bindString(javaItem.txtCustom, version.javaDirProperty())
+        bindString(gameDirItem.txtCustom, version.gameDirProperty())
+        bindString(txtJVMArgs, version.javaArgsProperty())
+        bindString(txtGameArgs, version.minecraftArgsProperty())
+        bindString(txtMetaspace, version.permSizeProperty())
+        bindString(txtWrapper, version.wrapperProperty())
+        bindString(txtPrecallingCommand, version.preLaunchCommandProperty())
+        bindString(txtServerIP, version.serverIpProperty())
+        bindEnum(cboLauncherVisibility, version.launcherVisibilityProperty())
+        bindBoolean(chkFullscreen, version.fullscreenProperty())
+        bindBoolean(chkNoGameCheck, version.notCheckGameProperty())
+        bindBoolean(chkNoCommon, version.noCommonProperty())
+        bindBoolean(chkShowLogs, version.showLogsProperty())
 
         val javaGroupKey = "java_group.listener"
         @Suppress("UNCHECKED_CAST")
@@ -181,8 +181,8 @@ class VersionSettingsController {
             defaultToggle?.isSelected = true
         }
 
-        version.javaDirProperty.setChangedListener { initJavaSubtitle(version) }
-        version.javaProperty.setChangedListener { initJavaSubtitle(version) }
+        version.javaDirProperty().setChangedListener { initJavaSubtitle(version) }
+        version.javaProperty().setChangedListener { initJavaSubtitle(version) }
         initJavaSubtitle(version)
 
         val gameDirKey = "game_dir.listener"
@@ -205,8 +205,8 @@ class VersionSettingsController {
         gameDirItem.group.properties[gameDirKey] = gameDirListener
         gameDirItem.group.selectedToggleProperty().addListener(gameDirListener)
 
-        version.gameDirProperty.setChangedListener { initGameDirSubtitle(version) }
-        version.gameDirTypeProperty.setChangedListener { initGameDirSubtitle(version) }
+        version.gameDirProperty().setChangedListener { initGameDirSubtitle(version) }
+        version.gameDirTypeProperty().setChangedListener { initGameDirSubtitle(version) }
         initGameDirSubtitle(version)
 
         lastVersionSetting = version

HMCL/src/main/kotlin/org/jackhuang/hmcl/ui/YggdrasilAccountLoginPane.kt

@@ -27,6 +27,7 @@ import org.jackhuang.hmcl.auth.AuthInfo
 import org.jackhuang.hmcl.auth.yggdrasil.InvalidCredentialsException
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccount
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccountFactory
+import org.jackhuang.hmcl.game.HMCLMultiCharacterSelector
 import org.jackhuang.hmcl.i18n
 import org.jackhuang.hmcl.setting.Settings
 import org.jackhuang.hmcl.task.Schedulers
@@ -56,7 +57,7 @@ class YggdrasilAccountLoginPane(private val oldAccount: YggdrasilAccount, privat
         taskResult("login") {
             try {
                 val account = YggdrasilAccountFactory.INSTANCE.fromUsername(username, password)
-                account.logIn(Settings.proxy)
+                account.logIn(HMCLMultiCharacterSelector, Settings.proxy)
             } catch (e: Exception) {
                 e
             }

HMCL/src/main/kotlin/org/jackhuang/hmcl/util/Lang.kt

@@ -22,6 +22,7 @@ import com.google.gson.JsonParseException
 import com.google.gson.reflect.TypeToken
 import javafx.beans.property.Property
 import javafx.event.Event.fireEvent
+import org.jackhuang.hmcl.event.Event
 import org.jackhuang.hmcl.event.EventBus
 import org.jackhuang.hmcl.event.EventManager
 import org.jackhuang.hmcl.task.Scheduler
@@ -113,10 +114,10 @@ fun <V> taskResult(id: String, callable: Callable<V>): TaskResult<V> = Task.ofRe
 fun <V> taskResult(id: String, callable: (AutoTypingMap<String>) -> V): TaskResult<V> = Task.ofResult(id, callable)
 
 fun InputStream.readFullyAsString() = IOUtils.readFullyAsString(this)
-inline fun <reified T : EventObject> EventBus.channel() = channel(T::class.java)
+inline fun <reified T : Event> EventBus.channel() = channel(T::class.java)
 
-operator fun <T : EventObject> EventManager<T>.plusAssign(func: (T) -> Unit) = register(func)
-operator fun <T : EventObject> EventManager<T>.plusAssign(func: () -> Unit) = register(func)
-operator fun <T : EventObject> EventManager<T>.minusAssign(func: (T) -> Unit) = unregister(func)
-operator fun <T : EventObject> EventManager<T>.minusAssign(func: () -> Unit) = unregister(func)
-operator fun <T : EventObject> EventManager<T>.invoke(event: T) = fireEvent(event)
+operator fun <T : Event> EventManager<T>.plusAssign(func: (T) -> Unit) = register(func)
+operator fun <T : Event> EventManager<T>.plusAssign(func: () -> Unit) = register(func)
+operator fun <T : Event> EventManager<T>.minusAssign(func: (T) -> Unit) = unregister(func)
+operator fun <T : Event> EventManager<T>.minusAssign(func: () -> Unit) = unregister(func)
+operator fun <T : Event> EventManager<T>.invoke(event: T) = fireEvent(event)

HMCL/src/main/resources/assets/css/jfoenix-main-demo.css

@@ -968,6 +968,11 @@
     -fx-background-color: -fx-decorator-color;
 }
 
+.jfx-decorator-drawer {
+    -fx-background-image: url("/assets/img/background.jpg");
+    -fx-background-size: cover;
+}
+
 .resize-border {
     -fx-border-color: #5264AE;
     -fx-border-width: 0 2 2 2;
@@ -1136,6 +1141,7 @@
  ******************************************************************************/
 
 .scroll-pane {
+    -fx-background-color: null;
     -fx-background-insets: 0;
     -fx-padding: 0;
 }
@@ -1148,6 +1154,10 @@
     -fx-background-insets: 0;
 }
 
+.scroll-pane > .viewport {
+    -fx-background-color: null;
+ }
+
 /*******************************************************************************
 *                                                                              *
 * Error Facade                                                                 *

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

@@ -7,6 +7,8 @@
 <?import javafx.scene.shape.Rectangle?>
 <?import org.jackhuang.hmcl.ui.AdvancedListBox?>
 <?import java.lang.String?>
+<?import javafx.scene.image.ImageView?>
+<?import javafx.scene.image.Image?>
 <fx:root xmlns="http://javafx.com/javafx"
          type="StackPane"
          xmlns:fx="http://javafx.com/fxml">
@@ -16,14 +18,14 @@
     </styleClass>
     <BorderPane>
         <center>
-            <StackPane fx:id="drawerWrapper">
+            <StackPane fx:id="drawerWrapper" styleClass="jfx-decorator-drawer">
                 <JFXDialog fx:id="dialog" overlayClose="false" />
                 <BorderPane>
                     <left>
                         <StackPane minWidth="200" maxWidth="200" styleClass="jfx-decorator-content-container">
                             <BorderPane fx:id="leftRootPane">
                                 <center>
-                                    <BorderPane>
+                                    <BorderPane style="-fx-background-color: rgba(244, 244, 244, 0.5);">
                                         <center>
                                             <AdvancedListBox fx:id="leftPane"/>
                                         </center>
@@ -50,9 +52,6 @@
                         <StackPane fx:id="contentPlaceHolderRoot" styleClass="jfx-decorator-content-container"
                                    VBox.vgrow="ALWAYS">
                             <StackPane fx:id="contentPlaceHolder" styleClass="jfx-decorator-content-container">
-                                <styleClass>
-                                    <String fx:value="jfx-decorator-content-container"/>
-                                </styleClass>
                                 <!-- Node -->
                             </StackPane>
                         </StackPane>

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

@@ -5,7 +5,7 @@
 <?import javafx.scene.control.ScrollPane?>
 <fx:root
         maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity"
-        styleClass="transparent" type="StackPane" pickOnBounds="false"
+        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">
@@ -24,12 +24,6 @@
                 <fx:include source="/assets/svg/plus.fxml" />
             </graphic>
         </JFXButton>
-        <JFXButton prefWidth="40" prefHeight="40" buttonType="RAISED" fx:id="btnLaunch"
-                   style="-fx-background-color:#5264AE;-fx-background-radius: 50px;">
-            <graphic>
-                <fx:include source="/assets/svg/rocket.fxml" />
-            </graphic>
-        </JFXButton>
     </VBox>
 
 </fx:root>

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

@@ -12,14 +12,14 @@
          xmlns:fx="http://javafx.com/fxml"
          type="StackPane" pickOnBounds="false">
     <VBox fx:id="content" pickOnBounds="false">
-        <StackPane fx:id="header" VBox.vgrow="ALWAYS" pickOnBounds="false">
+        <StackPane fx:id="header" VBox.vgrow="ALWAYS" pickOnBounds="false" style="-fx-background-radius: 2 2 0 0; -fx-background-color: rgb(255,255,255,0.87); -fx-padding: 8;">
             <BorderPane>
                 <top>
                     <HBox alignment="CENTER_RIGHT">
                     </HBox>
                 </top>
                 <center>
-                    <VBox style="-fx-padding: 20 20 0 20;">
+                    <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: 10;" textAlignment="JUSTIFY" wrapText="true" />
                     </VBox>
@@ -35,7 +35,7 @@
                     </HBox>
                 </left>
                 <right>
-                    <JFXRadioButton fx:id="chkSelected" BorderPane.alignment="CENTER_RIGHT" />
+                    <JFXButton fx:id="btnLaunch" styleClass="toggle-icon4" maxWidth="30" maxHeight="30" minHeight="30" minWidth="30" prefWidth="30" prefHeight="30" />
                 </right>
             </BorderPane>
 

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

@@ -12,7 +12,7 @@
 <StackPane xmlns="http://javafx.com/javafx"
            xmlns:fx="http://javafx.com/fxml"
            fx:controller="org.jackhuang.hmcl.ui.VersionSettingsController">
-    <ScrollPane fx:id="scroll" fitToHeight="true" fitToWidth="true">
+    <ScrollPane fx:id="scroll" fitToHeight="true" fitToWidth="true" vbarPolicy="ALWAYS">
         <VBox fx:id="rootPane" style="-fx-padding: 20;">
 
             <ComponentList depth="1">
@@ -109,7 +109,7 @@
                 </BorderPane>
             </ComponentList>
             <HBox alignment="CENTER" style="-fx-padding: 10 0 10 0;">
-                <JFXButton text="%advancedsettings" onMouseClicked="#onShowAdvanced"/>
+                <JFXButton text="%advancedsettings" onMouseClicked="#onShowAdvanced" buttonType="RAISED" styleClass="jfx-button-raised"/>
             </HBox>
             <ComponentList fx:id="advancedSettingsPane" depth="1">
                 <JFXTextField labelFloat="true" promptText="%advancedsettings.jvm_args" styleClass="fit-width"

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/Account.java

@@ -28,11 +28,11 @@ public abstract class Account {
 
     public abstract String getUsername();
 
-    public AuthInfo logIn() throws AuthenticationException {
-        return logIn(Proxy.NO_PROXY);
+    public AuthInfo logIn(MultiCharacterSelector selector) throws AuthenticationException {
+        return logIn(selector, Proxy.NO_PROXY);
     }
 
-    public abstract AuthInfo logIn(Proxy proxy) throws AuthenticationException;
+    public abstract AuthInfo logIn(MultiCharacterSelector selector, Proxy proxy) throws AuthenticationException;
 
     public abstract void logOut();
 

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/MultiCharacterSelector.java

@@ -0,0 +1,39 @@
+/*
+ * 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.auth;
+
+import org.jackhuang.hmcl.auth.yggdrasil.GameProfile;
+
+import java.util.List;
+
+/**
+ * This interface is for your application to open a GUI for user to choose the character
+ * when a having-multi-character yggdrasil account is being logging in..
+ */
+public interface MultiCharacterSelector {
+
+    /**
+     * Select one of {@code names} GameProfiles to login.
+     * @param names available game profiles.
+     * @throws NoSelectedCharacterException if cannot select any character may because user close the selection window or cancel the selection.
+     * @return your choice of game profile.
+     */
+    GameProfile select(Account account, List<GameProfile> names) throws NoSelectedCharacterException;
+
+    MultiCharacterSelector DEFAULT = (account, names) -> names.stream().findFirst().orElseThrow(() -> new NoSelectedCharacterException(account));
+}

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/NoCharacterException.java

@@ -0,0 +1,34 @@
+/*
+ * 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.auth;
+
+/**
+ * This exception gets threw when authenticating a yggdrasil account and there is no valid character.
+ * (A account may hold more than one characters.)
+ */
+public final class NoCharacterException extends AuthenticationException {
+    private final Account account;
+
+    public NoCharacterException(Account account) {
+        this.account = account;
+    }
+
+    public Account getAccount() {
+        return account;
+    }
+}

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/NoSelectedCharacterException.java

@@ -0,0 +1,41 @@
+/*
+ * 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.auth;
+
+/**
+ * This exception gets threw when a monitor of {@link MultiCharacterSelector} cannot select a
+ * valid character.
+ *
+ * @see org.jackhuang.hmcl.auth.MultiCharacterSelector
+ * @author huangyuhui
+ */
+public final class NoSelectedCharacterException extends AuthenticationException {
+    private final Account account;
+
+    /**
+     *
+     * @param account the error yggdrasil account.
+     */
+    public NoSelectedCharacterException(Account account) {
+        this.account = account;
+    }
+
+    public Account getAccount() {
+        return account;
+    }
+}

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

@@ -54,7 +54,7 @@ public class OfflineAccount extends Account {
     }
 
     @Override
-    public AuthInfo logIn(Proxy proxy) throws AuthenticationException {
+    public AuthInfo logIn(MultiCharacterSelector selector, Proxy proxy) throws AuthenticationException {
         if (StringUtils.isBlank(username) || StringUtils.isBlank(uuid))
             throw new AuthenticationException("Username cannot be empty");
 

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

@@ -24,13 +24,16 @@ import com.google.gson.JsonObject;
 import com.google.gson.JsonParseException;
 import com.google.gson.JsonSerializationContext;
 import com.google.gson.JsonSerializer;
+import org.jackhuang.hmcl.util.Immutable;
+
 import java.lang.reflect.Type;
 import java.util.UUID;
 
 /**
  *
- * @author huang
+ * @author huangyuhui
  */
+@Immutable
 public final class GameProfile {
 
     private final UUID id;

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

@@ -23,14 +23,9 @@ import com.google.gson.JsonParseException;
 import java.io.IOException;
 import java.net.Proxy;
 import java.net.URL;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Optional;
-import java.util.UUID;
-import org.jackhuang.hmcl.auth.Account;
-import org.jackhuang.hmcl.auth.AuthInfo;
-import org.jackhuang.hmcl.auth.AuthenticationException;
-import org.jackhuang.hmcl.auth.UserType;
+import java.util.*;
+
+import org.jackhuang.hmcl.auth.*;
 import org.jackhuang.hmcl.util.NetworkUtils;
 import org.jackhuang.hmcl.util.StringUtils;
 import org.jackhuang.hmcl.util.UUIDTypeAdapter;
@@ -111,7 +106,7 @@ public final class YggdrasilAccount extends Account {
     }
 
     @Override
-    public AuthInfo logIn(Proxy proxy) throws AuthenticationException {
+    public AuthInfo logIn(MultiCharacterSelector selector, Proxy proxy) throws AuthenticationException {
         if (canPlayOnline())
             return new AuthInfo(selectedProfile, accessToken, userType, GSON.toJson(userProperties));
         else {
@@ -119,11 +114,13 @@ public final class YggdrasilAccount extends Account {
             if (!isLoggedIn())
                 throw new AuthenticationException("Wrong password for account " + username);
 
-            if (selectedProfile == null)
-                // TODO: multi-available-profiles support
-                throw new UnsupportedOperationException("Do not support multi-available-profiles account yet.");
-            else
-                return new AuthInfo(selectedProfile, accessToken, userType, GSON.toJson(userProperties));
+            if (selectedProfile == null) {
+                if (profiles == null || profiles.length <= 0)
+                    throw new NoCharacterException(this);
+
+                selectedProfile = selector.select(this, Arrays.asList(profiles));
+            }
+            return new AuthInfo(selectedProfile, accessToken, userType, GSON.toJson(userProperties));
         }
     }
 

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

@@ -24,7 +24,7 @@ import org.jackhuang.hmcl.util.Immutable;
  * @author huangyuhui
  */
 @Immutable
-public final class Install {
+public final class ForgeInstall {
 
     private final String profileName;
     private final String target;
@@ -36,11 +36,11 @@ public final class Install {
     private final String mirrorList;
     private final String logo;
 
-    public Install() {
+    public ForgeInstall() {
         this(null, null, null, null, null, null, null, null, null);
     }
 
-    public Install(String profileName, String target, String path, String version, String filePath, String welcome, String minecraft, String mirrorList, String logo) {
+    public ForgeInstall(String profileName, String target, String path, String version, String filePath, String welcome, String minecraft, String mirrorList, String logo) {
         this.profileName = profileName;
         this.target = target;
         this.path = path;

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

@@ -28,20 +28,20 @@ import org.jackhuang.hmcl.util.Validation;
  * @author huangyuhui
  */
 @Immutable
-public final class InstallProfile implements Validation {
+public final class ForgeInstallProfile implements Validation {
 
     @SerializedName("install")
-    private final Install install;
+    private final ForgeInstall install;
 
     @SerializedName("versionInfo")
     private final Version versionInfo;
 
-    public InstallProfile(Install install, Version versionInfo) {
+    public ForgeInstallProfile(ForgeInstall install, Version versionInfo) {
         this.install = install;
         this.versionInfo = versionInfo;
     }
 
-    public Install getInstall() {
+    public ForgeInstall getInstall() {
         return install;
     }
 

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

@@ -107,7 +107,7 @@ public final class ForgeInstallTask extends TaskResult<Version> {
             if (stream == null)
                 throw new IOException("Malformed forge installer file, install_profile.json does not exist.");
             String json = IOUtils.readFullyAsString(stream);
-            InstallProfile installProfile = Constants.GSON.fromJson(json, InstallProfile.class);
+            ForgeInstallProfile installProfile = Constants.GSON.fromJson(json, ForgeInstallProfile.class);
             if (installProfile == null)
                 throw new IOException("Malformed forge installer file, install_profile.json does not exist.");
             

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

@@ -57,14 +57,13 @@ public final class GameLibrariesTask extends Task {
 
     @Override
     public void execute() throws Exception {
-        for (Library library : version.getLibraries())
-            if (library.appliesToCurrentEnvironment()) {
-                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()));
-            }
+        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()));
+        });
     }
 
 }

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

@@ -36,7 +36,7 @@ public final class GameRemoteVersions {
     private final GameRemoteLatestVersions latest;
 
     public GameRemoteVersions() {
-        this(Collections.EMPTY_LIST, null);
+        this(Collections.emptyList(), null);
     }
 
     public GameRemoteVersions(List<GameRemoteVersion> versions, GameRemoteLatestVersions latest) {

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

@@ -61,7 +61,7 @@ public final class VersionJsonDownloadTask extends Task {
     @Override
     public void execute() throws Exception {
         RemoteVersion<?> remoteVersion = gameVersionList.getVersions(gameVersion).stream().findFirst()
-                .orElseThrow(() -> new IllegalStateException("Cannot find specific version "+gameVersion+" in remote repository"));
+                .orElseThrow(() -> new IllegalStateException("Cannot find specific version " + gameVersion + " in remote repository"));
         String jsonURL = dependencyManager.getDownloadProvider().injectURL(remoteVersion.getUrl());
         dependencies.add(new GetTask(NetworkUtils.toURL(jsonURL), Proxy.NO_PROXY, ID));
     }

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

@@ -38,7 +38,7 @@ public final class LiteLoaderBranch {
     private final Map<String, LiteLoaderVersion> liteLoader;
 
     public LiteLoaderBranch() {
-        this(Collections.EMPTY_SET, Collections.EMPTY_MAP);
+        this(Collections.emptySet(), Collections.emptyMap());
     }
 
     public LiteLoaderBranch(Collection<Library> libraries, Map<String, LiteLoaderVersion> liteLoader) {

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

@@ -96,11 +96,11 @@ public final class LiteLoaderInstallTask extends TaskResult<Version> {
                 new LibrariesDownloadInfo(new LibraryDownloadInfo(null, remote.getUrl()))
         );
 
-        Version tempVersion = version.setLibraries(Lang.merge(remote.getTag().getLibraries(), Arrays.asList(library)));
+        Version tempVersion = version.setLibraries(Lang.merge(remote.getTag().getLibraries(), Collections.singleton(library)));
         setResult(version
                 .setMainClass("net.minecraft.launchwrapper.Launch")
                 .setLibraries(Lang.merge(tempVersion.getLibraries(), version.getLibraries()))
-                .setLogging(Collections.EMPTY_MAP)
+                .setLogging(Collections.emptyMap())
                 .setMinecraftArguments(version.getMinecraftArguments().orElse("") + " --tweakClass " + remote.getTag().getTweakClass())
                 //.setArguments(Arguments.addGameArguments(Lang.get(version.getArguments()), "--tweakClass", remote.getTag().getTweakClass()))
         );

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

@@ -113,7 +113,7 @@ public final class OptiFineInstallTask extends TaskResult<Version> {
             hasFMLTweaker = true;
         if (version.getArguments().isPresent()) {
             List<Argument> game = version.getArguments().get().getGame();
-            if (game.stream().anyMatch(arg -> arg.toString(Collections.EMPTY_MAP, Collections.EMPTY_MAP).contains("FMLTweaker")))
+            if (game.stream().anyMatch(arg -> arg.toString(Collections.emptyMap(), Collections.emptyMap()).contains("FMLTweaker")))
                 hasFMLTweaker = true;
         }
 

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

@@ -80,10 +80,13 @@ public final class OptiFineVersionList extends VersionList<Void> {
                                 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 || version == null || url == null)
+                            if (gameVersion == null)
                                 continue;
                             versions.put(gameVersion, new RemoteVersion<>(gameVersion, version, url, null));
                         }

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

@@ -62,7 +62,7 @@ public class Event extends EventObject {
         return false;
     }
 
-    private Result result;
+    private Result result = Result.DEFAULT;
 
     /**
      * Retutns the value set as the result of this event

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

@@ -17,7 +17,6 @@
  */
 package org.jackhuang.hmcl.event;
 
-import java.util.EventObject;
 import java.util.HashMap;
 import org.jackhuang.hmcl.task.Schedulers;
 
@@ -29,14 +28,14 @@ public final class EventBus {
 
     private final HashMap<Class<?>, EventManager<?>> events = new HashMap<>();
 
-    public <T extends EventObject> EventManager<T> channel(Class<T> clazz) {
+    public <T extends Event> EventManager<T> channel(Class<T> clazz) {
         if (!events.containsKey(clazz))
-            events.put(clazz, new EventManager<>(Schedulers.computation()));
+            events.put(clazz, new EventManager<>());
         return (EventManager<T>) events.get(clazz);
     }
 
-    public void fireEvent(EventObject obj) {
-        channel((Class<EventObject>) obj.getClass()).fireEvent(obj);
+    public Event.Result fireEvent(Event obj) {
+        return channel((Class<Event>) obj.getClass()).fireEvent(obj);
     }
 
     public static final EventBus EVENT_BUS = new EventBus();

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

@@ -18,7 +18,6 @@
 package org.jackhuang.hmcl.event;
 
 import java.util.EnumMap;
-import java.util.EventObject;
 import java.util.HashSet;
 import java.util.function.Consumer;
 import org.jackhuang.hmcl.task.Scheduler;
@@ -29,22 +28,13 @@ import org.jackhuang.hmcl.util.SimpleMultimap;
  *
  * @author huangyuhui
  */
-public final class EventManager<T extends EventObject> {
+public final class EventManager<T extends Event> {
 
-    private final Scheduler scheduler;
     private final SimpleMultimap<EventPriority, Consumer<T>> handlers
             = new SimpleMultimap<>(() -> new EnumMap<>(EventPriority.class), HashSet::new);
     private final SimpleMultimap<EventPriority, Runnable> handlers2
             = new SimpleMultimap<>(() -> new EnumMap<>(EventPriority.class), HashSet::new);
 
-    public EventManager() {
-        this(Schedulers.immediate());
-    }
-
-    public EventManager(Scheduler scheduler) {
-        this.scheduler = scheduler;
-    }
-
     public void register(Consumer<T> consumer) {
         register(consumer, EventPriority.NORMAL);
     }
@@ -71,15 +61,18 @@ public final class EventManager<T extends EventObject> {
         handlers2.removeValue(runnable);
     }
 
-    public void fireEvent(T event) {
-        scheduler.schedule(() -> {
-            for (EventPriority priority : EventPriority.values()) {
-                for (Consumer<T> handler : handlers.get(priority))
-                    handler.accept(event);
-                for (Runnable runnable : handlers2.get(priority))
-                    runnable.run();
-            }
-        });
+    public Event.Result fireEvent(T event) {
+        for (EventPriority priority : EventPriority.values()) {
+            for (Consumer<T> handler : handlers.get(priority))
+                handler.accept(event);
+            for (Runnable runnable : handlers2.get(priority))
+                runnable.run();
+        }
+
+        if (event.hasResult())
+            return event.getResult();
+        else
+            return Event.Result.DEFAULT;
     }
 
 }

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

@@ -23,7 +23,7 @@ import java.util.EventObject;
  *
  * @author huang
  */
-public class FailedEvent<T> extends EventObject {
+public class FailedEvent<T> extends Event {
 
     private final int failedTime;
     private T newResult;

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

@@ -0,0 +1,52 @@
+/*
+ * 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.event;
+
+import java.io.File;
+
+/**
+ * This event gets fired when json of a game version is malformed. You can do something here.
+ * auto making up for the missing json, don't forget to set result to {@link Event.Result#ALLOW}.
+ * and even asking for removing the redundant version folder.
+ *
+ * The result ALLOW means you have corrected the json.
+ */
+public final class GameJsonParseFailedEvent extends Event {
+    private final String version;
+    private final File jsonFile;
+
+    /**
+     *
+     * @param source {@link org.jackhuang.hmcl.game.DefaultGameRepository}
+     * @param jsonFile the minecraft.json file.
+     * @param version the version name
+     */
+    public GameJsonParseFailedEvent(Object source, File jsonFile, String version) {
+        super(source);
+        this.version = version;
+        this.jsonFile = jsonFile;
+    }
+
+    public File getJsonFile() {
+        return jsonFile;
+    }
+
+    public String getVersion() {
+        return version;
+    }
+}

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

@@ -23,16 +23,20 @@ import org.jackhuang.hmcl.util.ManagedProcess;
 /**
  * This event gets fired when we launch the JVM and it got crashed.
  * <br>
- * This event is fired on the [org.jackhuang.hmcl.event.EVENT_BUS]
+ * This event is fired on the {@link org.jackhuang.hmcl.event.EventBus#EVENT_BUS}
  *
- * @param source [org.jackhuang.hmcl.launch.ExitWaiter]
- * @param value the crashed process.
  * @author huangyuhui
  */
-public class JVMLaunchFailedEvent extends EventObject {
+public class JVMLaunchFailedEvent extends Event {
 
     private final ManagedProcess process;
 
+    /**
+     * Constructor.
+     *
+     * @param source {@link org.jackhuang.hmcl.launch.ExitWaiter}
+     * @param process the crashed process.
+     */
     public JVMLaunchFailedEvent(Object source, ManagedProcess process) {
         super(source);
         this.process = process;

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

@@ -17,28 +17,37 @@
  */
 package org.jackhuang.hmcl.event;
 
+import org.jackhuang.hmcl.game.Version;
+
 import java.util.EventObject;
 
 /**
  * This event gets fired when a minecraft version has been loaded.
  * <br>
- * This event is fired on the {@link org.jackhuang.hmcl.event.EVENT_BUS}
- *
- * @param source {@link org.jackhuang.hmcl.game.GameRepository}
- * @param version the version id.
+ * This event is fired on the {@link org.jackhuang.hmcl.event.EventBus#EVENT_BUS}
  *
  * @author huangyuhui
  */
-public final class LoadedOneVersionEvent extends EventObject {
+public final class LoadedOneVersionEvent extends Event {
 
-    private final String version;
+    private final Version version;
 
-    public LoadedOneVersionEvent(Object source, String version) {
+    /**
+     *
+     * @param source {@link org.jackhuang.hmcl.game.GameRepository}
+     * @param version the version id.
+     */
+    public LoadedOneVersionEvent(Object source, Version version) {
         super(source);
         this.version = version;
     }
 
-    public String getVersion() {
+    public Version getVersion() {
         return version;
     }
+
+    @Override
+    public boolean hasResult() {
+        return true;
+    }
 }

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

@@ -23,16 +23,20 @@ import org.jackhuang.hmcl.util.ManagedProcess;
 /**
  * This event gets fired when a JavaProcess exited abnormally and the exit code is not zero.
  * <br></br>
- * This event is fired on the {@link org.jackhuang.hmcl.event.EVENT_BUS}
+ * This event is fired on the {@link org.jackhuang.hmcl.event.EventBus#EVENT_BUS}
  *
- * @param source {@link org.jackhuang.hmcl.launch.ExitWaiter}
- * @param value The process that exited abnormally.
  * @author huangyuhui
  */
-public final class ProcessExitedAbnormallyEvent extends EventObject {
+public final class ProcessExitedAbnormallyEvent extends Event {
 
     private final ManagedProcess process;
 
+    /**
+     * Constructor.
+     *
+     * @param source {@link org.jackhuang.hmcl.launch.ExitWaiter}
+     * @param process The process that exited abnormally.
+     */
     public ProcessExitedAbnormallyEvent(Object source, ManagedProcess process) {
         super(source);
         this.process = process;

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

@@ -23,16 +23,20 @@ import org.jackhuang.hmcl.util.ManagedProcess;
 /**
  * This event gets fired when minecraft process exited successfully and the exit code is 0.
  * <br>
- * This event is fired on the {@link org.jackhuang.hmcl.event.EVENT_BUS}
+ * This event is fired on the {@link org.jackhuang.hmcl.event.EventBus#EVENT_BUS}
  *
- * @param source {@link org.jackhuang.hmcl.launch.ExitWaiter}
- * @param value minecraft process
  * @author huangyuhui
  */
-public class ProcessStoppedEvent extends EventObject {
+public class ProcessStoppedEvent extends Event {
 
     private final ManagedProcess process;
 
+    /**
+     * Constructor.
+     *
+     * @param source {@link org.jackhuang.hmcl.launch.ExitWaiter}
+     * @param process minecraft process
+     */
     public ProcessStoppedEvent(Object source, ManagedProcess process) {
         super(source);
         this.process = process;

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

@@ -22,14 +22,17 @@ import java.util.EventObject;
 /**
  * This event gets fired when all the versions in .minecraft folder are loaded.
  * <br>
- * This event is fired on the {@link org.jackhuang.hmcl.api.HMCLApi#EVENT_BUS}
- *
- * @param source {@link org.jackhuang.hmcl.game.GameRepository]
+ * This event is fired on the {@link org.jackhuang.hmcl.event.EventBus#EVENT_BUS}
  *
  * @author huangyuhui
  */
-public final class RefreshedVersionsEvent extends EventObject {
+public final class RefreshedVersionsEvent extends Event {
 
+    /**
+     * Constructor.
+     *
+     * @param source {@link org.jackhuang.hmcl.game.GameRepository]
+     */
     public RefreshedVersionsEvent(Object source) {
         super(source);
     }

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

@@ -22,14 +22,17 @@ import java.util.EventObject;
 /**
  * This event gets fired when loading versions in a .minecraft folder.
  * <br>
- * This event is fired on the {@link org.jackhuang.hmcl.event.EVENT_BUS}
- *
- * @param source {@link org.jackhuang.hmcl.game.GameRepository}
+ * This event is fired on the {@link org.jackhuang.hmcl.event.EventBus#EVENT_BUS}
  *
  * @author huangyuhui
  */
-public final class RefreshingVersionsEvent extends EventObject {
+public final class RefreshingVersionsEvent extends Event {
 
+    /**
+     * Constructor.
+     *
+     * @param source {@link org.jackhuang.hmcl.game.GameRepository}
+     */
     public RefreshingVersionsEvent(Object source) {
         super(source);
     }

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

@@ -50,11 +50,11 @@ public final class Arguments {
     }
 
     public List<Argument> getGame() {
-        return game == null ? Collections.EMPTY_LIST : Collections.unmodifiableList(game);
+        return game == null ? Collections.emptyList() : Collections.unmodifiableList(game);
     }
 
     public List<Argument> getJvm() {
-        return jvm == null ? Collections.EMPTY_LIST : Collections.unmodifiableList(jvm);
+        return jvm == null ? Collections.emptyList() : Collections.unmodifiableList(jvm);
     }
 
     public static Arguments addGameArguments(Arguments arguments, String... gameArguments) {
@@ -83,7 +83,7 @@ public final class Arguments {
     }
 
     public static List<String> parseArguments(List<Argument> arguments, Map<String, String> keys) {
-        return parseArguments(arguments, keys, Collections.EMPTY_MAP);
+        return parseArguments(arguments, keys, Collections.emptyMap());
     }
 
     public static List<String> parseArguments(List<Argument> arguments, Map<String, String> keys, Map<String, Boolean> features) {

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

@@ -35,7 +35,7 @@ public final class AssetIndex {
     private final Map<String, AssetObject> objects;
 
     public AssetIndex() {
-        this(false, Collections.EMPTY_MAP);
+        this(false, Collections.emptyMap());
     }
 
     public AssetIndex(boolean virtual, Map<String, AssetObject> objects) {

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

@@ -21,16 +21,11 @@ import com.google.gson.JsonParseException;
 import com.google.gson.JsonSyntaxException;
 import java.io.File;
 import java.io.IOException;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.TreeMap;
+import java.util.*;
 import java.util.logging.Level;
-import org.jackhuang.hmcl.event.EventBus;
-import org.jackhuang.hmcl.event.LoadedOneVersionEvent;
-import org.jackhuang.hmcl.event.RefreshedVersionsEvent;
-import org.jackhuang.hmcl.event.RefreshingVersionsEvent;
+
+import org.jackhuang.hmcl.event.*;
+import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.util.Constants;
 import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Lang;
@@ -94,7 +89,7 @@ public class DefaultGameRepository implements GameRepository {
     @Override
     public File getVersionJar(Version version) {
         Version v = version.resolve(this);
-        String id = Lang.nonNull(v.getJar(), v.getId());
+        String id = Optional.ofNullable(v.getJar()).orElse(v.getId());
         return new File(getVersionRoot(id), id + ".jar");
     }
 
@@ -184,9 +179,15 @@ public class DefaultGameRepository implements GameRepository {
                         version = Objects.requireNonNull(readVersionJson(json));
                     } catch (Exception e) {
                         // JsonSyntaxException or IOException or NullPointerException(!!)
-                        // TODO: auto making up for the missing json
-                        // TODO: and even asking for removing the redundant version folder.
-                        continue;
+                        if (EventBus.EVENT_BUS.fireEvent(new GameJsonParseFailedEvent(this, json, id)) != Event.Result.ALLOW)
+                            continue;
+
+                        try {
+                            version = Objects.requireNonNull(readVersionJson(json));
+                        } catch (Exception e2) {
+                            Logging.LOG.log(Level.SEVERE, "User corrected version json is still malformed");
+                            continue;
+                        }
                     }
 
                     if (!id.equals(version.getId())) {
@@ -199,18 +200,20 @@ public class DefaultGameRepository implements GameRepository {
                         }
                     }
 
-                    versions.put(id, version);
-                    EventBus.EVENT_BUS.fireEvent(new LoadedOneVersionEvent(this, id));
+                    if (EventBus.EVENT_BUS.fireEvent(new LoadedOneVersionEvent(this, version)) != Event.Result.DENY)
+                        versions.put(id, version);
                 }
 
         loaded = true;
     }
 
     @Override
-    public final void refreshVersions() {
+    public void refreshVersions() {
         EventBus.EVENT_BUS.fireEvent(new RefreshingVersionsEvent(this));
-        refreshVersionsImpl();
-        EventBus.EVENT_BUS.fireEvent(new RefreshedVersionsEvent(this));
+        Schedulers.newThread().schedule(() -> {
+            refreshVersionsImpl();
+            EventBus.EVENT_BUS.fireEvent(new RefreshedVersionsEvent(this));
+        });
     }
 
     @Override

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

@@ -29,6 +29,8 @@ import com.google.gson.reflect.TypeToken;
 import java.lang.reflect.Type;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
+
 import org.jackhuang.hmcl.util.Constants;
 import org.jackhuang.hmcl.util.Lang;
 import org.jackhuang.hmcl.util.OperatingSystem;
@@ -99,7 +101,7 @@ public class Library {
                     + (this.classifier == null ? "" : "-" + this.classifier) + ".jar";
 
         download = new LibraryDownloadInfo(path,
-                Lang.nonNull(Lang.nonNull(temp != null ? temp.getUrl() : null), Lang.nonNull(url, Constants.DEFAULT_LIBRARY_URL) + path),
+                Optional.ofNullable(temp).map(LibraryDownloadInfo::getUrl).orElse(Optional.ofNullable(url).orElse(Constants.DEFAULT_LIBRARY_URL) + path),
                 temp != null ? temp.getSha1() : null,
                 temp != null ? temp.getSize() : 0
         );

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

@@ -75,7 +75,7 @@ public class RuledArgument implements Argument {
                     .map(StringArgument::new)
                     .map(str -> str.toString(keys, features).get(0))
                     .collect(Collectors.toList());
-        return Collections.EMPTY_LIST;
+        return Collections.emptyList();
     }
 
     public static class Serializer implements JsonSerializer<RuledArgument>, JsonDeserializer<RuledArgument> {

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

@@ -155,8 +155,6 @@ public class Version implements Comparable<Version>, Validation {
 
     /**
      * Resolve given version
-     *
-     * @throws CircleDependencyException
      */
     public Version resolve(VersionProvider provider) {
         return resolve(provider, new HashSet<>());
@@ -231,10 +229,7 @@ public class Version implements Comparable<Version>, Validation {
 
     @Override
     public boolean equals(Object obj) {
-        if (obj instanceof Version)
-            return Objects.equals(id, ((Version) obj).id);
-        else
-            return false;
+        return obj instanceof Version && Objects.equals(id, ((Version) obj).id);
     }
 
     @Override

HMCLCore/src/main/java/org/jackhuang/hmcl/launch/DefaultLauncher.java

@@ -22,11 +22,7 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.function.Supplier;
 import java.util.stream.Collectors;
 import org.jackhuang.hmcl.auth.AuthInfo;
@@ -207,7 +203,7 @@ public class DefaultLauncher extends Launcher {
                 .filter(it -> !getForbiddens().containsKey(it) || !getForbiddens().get(it).get())
                 .collect(Collectors.toList());
     }
-//http://jenkins.liteloader.com/job/LiteLoader%201.12.2/lastSuccessfulBuild/artifact/build/libs/liteloader-1.12.2-SNAPSHOT-release.jar
+
     public Map<String, Boolean> getFeatures() {
         return Collections.singletonMap(
                 "has_custom_resolution",
@@ -251,14 +247,14 @@ public class DefaultLauncher extends Launcher {
                         false);
     }
 
-    public Map<String, String> getConfigurations() {
+    protected Map<String, String> getConfigurations() {
         return Lang.mapOf(
                 new Pair<>("${auth_player_name}", authInfo.getUsername()),
                 new Pair<>("${auth_session}", authInfo.getAuthToken()),
                 new Pair<>("${auth_access_token}", authInfo.getAuthToken()),
                 new Pair<>("${auth_uuid}", authInfo.getUserId()),
-                new Pair<>("${version_name}", Lang.nonNull(options.getVersionName(), version.getId())),
-                new Pair<>("${profile_name}", Lang.nonNull(options.getProfileName(), "Minecraft")),
+                new Pair<>("${version_name}", Optional.ofNullable(options.getVersionName()).orElse(version.getId())),
+                new Pair<>("${profile_name}", Optional.ofNullable(options.getProfileName()).orElse("Minecraft")),
                 new Pair<>("${version_type}", version.getType().getId()),
                 new Pair<>("${game_directory}", repository.getRunDirectory(version.getId()).getAbsolutePath()),
                 new Pair<>("${user_type}", authInfo.getUserType().toString().toLowerCase()),
@@ -275,11 +271,8 @@ public class DefaultLauncher extends Launcher {
 
         decompressNatives();
 
-        if (StringUtils.isNotBlank(options.getPrecalledCommand())) {
-            Process process = Runtime.getRuntime().exec(options.getPrecalledCommand());
-            if (process.isAlive())
-                process.waitFor();
-        }
+        if (StringUtils.isNotBlank(options.getPrecalledCommand()))
+            Runtime.getRuntime().exec(options.getPrecalledCommand()).waitFor();
 
         builder.directory(repository.getRunDirectory(version.getId()))
                 .environment().put("APPDATA", options.getGameDir().getAbsoluteFile().getParent());
@@ -372,7 +365,7 @@ public class DefaultLauncher extends Launcher {
     private void startMonitorsWithoutLoggingInfo(ManagedProcess managedProcess, ProcessListener processListener, boolean isDaemon) {
         processListener.setProcess(managedProcess);
         Thread stdout = Lang.thread(new StreamPump(managedProcess.getProcess().getInputStream(), it -> {
-            processListener.onLog(it + OperatingSystem.LINE_SEPARATOR, Lang.nonNull(Log4jLevel.guessLevel(it), Log4jLevel.INFO));
+            processListener.onLog(it + OperatingSystem.LINE_SEPARATOR, Optional.ofNullable(Log4jLevel.guessLevel(it)).orElse(Log4jLevel.INFO));
             managedProcess.addLine(it);
         }), "stdout-pump", isDaemon);
         managedProcess.addRelatedThread(stdout);

HMCLCore/src/main/java/org/jackhuang/hmcl/launch/Log4jHandler.java

@@ -17,11 +17,9 @@
  */
 package org.jackhuang.hmcl.launch;
 
-import java.io.IOException;
-import java.io.InterruptedIOException;
-import java.io.PipedInputStream;
-import java.io.PipedOutputStream;
+import java.io.*;
 import java.util.Date;
+import java.util.Optional;
 import java.util.concurrent.Future;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.BiConsumer;
@@ -55,6 +53,7 @@ final class Log4jHandler extends Thread {
 
     public Log4jHandler(BiConsumer<String, Log4jLevel> callback) {
         this.callback = callback;
+        newLine("<output>");
 
         reader = Lang.invoke(() -> XMLReaderFactory.createXMLReader());
         reader.setContentHandler(new Log4jHandlerImpl());
@@ -63,7 +62,6 @@ final class Log4jHandler extends Thread {
     @Override
     public void run() {
         setName("log4j-handler");
-        newLine("<output>");
 
         try {
             reader.parse(new InputSource(inputStream));
@@ -88,17 +86,14 @@ final class Log4jHandler extends Thread {
         }).get());
     }
 
-    public Future<?> newLine(String content) {
+    public Future<?> newLine(String log) {
         return Schedulers.computation().schedule(() -> {
-            String log = content;
-            if (!log.trim().startsWith("<"))
-                log = "<![CDATA[" + log.replace("]]>", "") + "]]>";
-            outputStream.write((log + OperatingSystem.LINE_SEPARATOR)
+            byte[] bytes = (log + OperatingSystem.LINE_SEPARATOR)
                     .replace("log4j:Event", "log4j_Event")
                     .replace("log4j:Message", "log4j_Message")
                     .replace("log4j:Throwable", "log4j_Throwable")
-                    .getBytes()
-            );
+                    .getBytes();
+            outputStream.write(bytes);
             outputStream.flush();
         });
     }
@@ -155,7 +150,7 @@ final class Log4jHandler extends Thread {
             if (readingMessage)
                 message.append(line).append(OperatingSystem.LINE_SEPARATOR);
             else
-                callback.accept(line, Lang.nonNull(Log4jLevel.guessLevel(line), Log4jLevel.INFO));
+                callback.accept(line, Optional.ofNullable(Log4jLevel.guessLevel(line)).orElse(Log4jLevel.INFO));
         }
     }
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/mod/CurseInstallTask.java

@@ -49,7 +49,7 @@ public final class CurseInstallTask extends Task {
      * @param zipFile the CurseForge modpack file.
      * @param manifest The manifest content of given CurseForge modpack.
      * @param name the new version name
-     * @see readCurseForgeModpackManifest
+     * @see CurseManifest#readCurseForgeModpackManifest
      */
     public CurseInstallTask(DefaultDependencyManager dependencyManager, File zipFile, CurseManifest manifest, String name) {
         this.dependencyManager = dependencyManager;

HMCLCore/src/main/java/org/jackhuang/hmcl/mod/CurseManifest.java

@@ -23,6 +23,8 @@ import java.io.File;
 import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
+import java.util.Optional;
+
 import org.jackhuang.hmcl.util.CompressingUtils;
 import org.jackhuang.hmcl.util.Constants;
 import org.jackhuang.hmcl.util.Immutable;
@@ -122,7 +124,7 @@ public final class CurseManifest {
         if (manifest == null)
             throw new JsonParseException("`manifest.json` not found. Not a valid Curse modpack.");
         return new Modpack(manifest.getName(), manifest.getAuthor(), manifest.getVersion(), manifest.getMinecraft().getGameVersion(),
-                Lang.nonNull(CompressingUtils.readTextZipEntryQuietly(f, "modlist.html"), "No description"), manifest);
+                Optional.ofNullable(CompressingUtils.readTextZipEntryQuietly(f, "modlist.html")).orElse( "No description"), manifest);
     }
 
     public static final String MINECRAFT_MODPACK = "minecraftModpack";

HMCLCore/src/main/java/org/jackhuang/hmcl/mod/MultiMCInstanceConfiguration.java

@@ -20,6 +20,7 @@ package org.jackhuang.hmcl.mod;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.Optional;
 import java.util.Properties;
 
 import org.apache.commons.compress.archivers.zip.ZipFile;
@@ -83,7 +84,7 @@ public final class MultiMCInstanceConfiguration {
         showConsoleOnError = Boolean.parseBoolean(p.getProperty("ShowConsoleOnError"));
         wrapperCommand = p.getProperty("WrapperCommand");
         name = defaultName;
-        notes = Lang.nonNull(p.getProperty("notes"), "");
+        notes = Optional.ofNullable(p.getProperty("notes")).orElse("");
     }
 
     /**

HMCLCore/src/main/java/org/jackhuang/hmcl/task/SimpleTask.java

@@ -19,6 +19,7 @@ package org.jackhuang.hmcl.task;
 
 import java.util.function.Consumer;
 import org.jackhuang.hmcl.util.AutoTypingMap;
+import org.jackhuang.hmcl.util.ExceptionalConsumer;
 
 /**
  *
@@ -26,16 +27,18 @@ import org.jackhuang.hmcl.util.AutoTypingMap;
  */
 class SimpleTask extends Task {
 
-    private final Consumer<AutoTypingMap<String>> consumer;
+    private final ExceptionalConsumer<AutoTypingMap<String>, ?> consumer;
     private final Scheduler scheduler;
 
-    public SimpleTask(Consumer<AutoTypingMap<String>> consumer) {
+    public SimpleTask(ExceptionalConsumer<AutoTypingMap<String>, ?> consumer) {
         this(consumer, Schedulers.defaultScheduler());
     }
 
-    public SimpleTask(Consumer<AutoTypingMap<String>> consumer, Scheduler scheduler) {
+    public SimpleTask(ExceptionalConsumer<AutoTypingMap<String>, ?> consumer, Scheduler scheduler) {
         this.consumer = consumer;
         this.scheduler = scheduler;
+
+        setName(consumer.toString());
     }
 
     @Override

HMCLCore/src/main/java/org/jackhuang/hmcl/task/Task.java

@@ -29,6 +29,8 @@ import javafx.beans.property.ReadOnlyStringProperty;
 import javafx.beans.property.ReadOnlyStringWrapper;
 import org.jackhuang.hmcl.util.AutoTypingMap;
 import org.jackhuang.hmcl.event.EventManager;
+import org.jackhuang.hmcl.util.ExceptionalConsumer;
+import org.jackhuang.hmcl.util.ExceptionalRunnable;
 import org.jackhuang.hmcl.util.Properties;
 
 /**
@@ -204,11 +206,11 @@ public abstract class Task {
         return executor;
     }
 
-    public final TaskExecutor subscribe(Scheduler scheduler, Consumer<AutoTypingMap<String>> closure) {
+    public final TaskExecutor subscribe(Scheduler scheduler, ExceptionalConsumer<AutoTypingMap<String>, ?> closure) {
         return subscribe(of(closure, scheduler));
     }
 
-    public final TaskExecutor subscribe(Consumer<AutoTypingMap<String>> closure) {
+    public final TaskExecutor subscribe(ExceptionalConsumer<AutoTypingMap<String>, ?> closure) {
         return subscribe(of(closure));
     }
 
@@ -228,15 +230,15 @@ public abstract class Task {
         return new CoupleTask<>(this, b, false);
     }
 
-    public static Task of(Runnable runnable) {
+    public static Task of(ExceptionalRunnable<?> runnable) {
         return of(s -> runnable.run());
     }
 
-    public static Task of(Consumer<AutoTypingMap<String>> closure) {
+    public static Task of(ExceptionalConsumer<AutoTypingMap<String>, ?> closure) {
         return of(closure, Schedulers.defaultScheduler());
     }
 
-    public static Task of(Consumer<AutoTypingMap<String>> closure, Scheduler scheduler) {
+    public static Task of(ExceptionalConsumer<AutoTypingMap<String>, ?> closure, Scheduler scheduler) {
         return new SimpleTask(closure, scheduler);
     }
 

HMCLCore/src/main/java/org/jackhuang/hmcl/task/TaskEvent.java

@@ -17,13 +17,13 @@
  */
 package org.jackhuang.hmcl.task;
 
-import java.util.EventObject;
+import org.jackhuang.hmcl.event.Event;
 
 /**
  *
  * @author huang
  */
-public class TaskEvent extends EventObject {
+public class TaskEvent extends Event {
 
     private final Task task;
     private final boolean failed;

HMCLCore/src/main/java/org/jackhuang/hmcl/util/ExceptionalConsumer.java

@@ -0,0 +1,25 @@
+/*
+ * 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.util;
+
+/**
+ * @author huangyuhui
+ */
+public interface ExceptionalConsumer<T, E extends Exception> {
+    void accept(T t) throws E;
+}

HMCLCore/src/main/java/org/jackhuang/hmcl/util/Lang.java

@@ -59,7 +59,7 @@ public final class Lang {
      *
      * @param <T> type of argument.
      * @param <R> type of result.
-     * @param supplier your method.
+     * @param function your method.
      * @return the result of the method to invoke.
      */
     public static <T, R, E extends Exception> R invoke(ExceptionalFunction<T, R, E> function, T t) {
@@ -190,19 +190,19 @@ public final class Lang {
         return convert(map.get(key), clazz, defaultValue);
     }
 
-    public static <T> List<T> merge(Collection<T>... collections) {
+    public static <T> List<T> merge(Collection<T> a, Collection<T> b) {
         LinkedList<T> result = new LinkedList<>();
-        for (Collection<T> collection : collections)
-            if (collection != null)
-                result.addAll(collection);
+        result.addAll(a);
+        result.addAll(b);
         return result;
     }
 
-    public static <T> T nonNull(T... t) {
-        for (T a : t)
-            if (a != null)
-                return a;
-        return null;
+    public static <T> List<T> merge(Collection<T> a, Collection<T> b, Collection<T> c) {
+        LinkedList<T> result = new LinkedList<>();
+        result.addAll(a);
+        result.addAll(b);
+        result.addAll(c);
+        return result;
     }
 
     public static Thread thread(Runnable runnable) {
@@ -223,10 +223,6 @@ public final class Lang {
         return thread;
     }
 
-    public static <T> T get(Optional<T> optional) {
-        return optional.isPresent() ? optional.get() : null;
-    }
-
     public static <T> Iterator<T> asIterator(Enumeration<T> enumeration) {
         return new Iterator<T>() {
             @Override
@@ -244,4 +240,12 @@ public final class Lang {
     public static <T> Iterable<T> asIterable(Enumeration<T> enumeration) {
         return () -> asIterator(enumeration);
     }
+
+    public static int parseInt(String string, int defaultValue) {
+        try {
+            return Integer.parseInt(string);
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
+    }
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/util/OperatingSystem.java

@@ -65,12 +65,12 @@ public enum OperatingSystem {
     /**
      * The total memory/MB this computer have.
      */
-    public static final long TOTAL_MEMORY;
+    public static final int TOTAL_MEMORY;
 
     /**
      * The suggested memory size/MB for Minecraft to allocate.
      */
-    public static final long SUGGESTED_MEMORY;
+    public static final int SUGGESTED_MEMORY;
 
     public static final String PATH_SEPARATOR = File.pathSeparator;
     public static final String FILE_SEPARATOR = File.separator;
@@ -104,11 +104,11 @@ public enum OperatingSystem {
 
         Object bytes = ReflectionHelper.call(ManagementFactory.getOperatingSystemMXBean(), "getTotalPhysicalMemorySize");
         if (bytes instanceof Long)
-            TOTAL_MEMORY = ((Long) bytes) / 1024 / 1024;
+            TOTAL_MEMORY = (int) (((Long) bytes) / 1024 / 1024);
         else
             TOTAL_MEMORY = 1024;
 
-        SUGGESTED_MEMORY = Math.round(1.0 * TOTAL_MEMORY / 4.0 / 128.0) * 128;
+        SUGGESTED_MEMORY = (int) (Math.round(1.0 * TOTAL_MEMORY / 4.0 / 128.0) * 128);
 
         String arch = System.getProperty("sun.arch.data.model");
         if (arch == null)

HMCLCore/src/main/java/org/jackhuang/hmcl/util/VersionNumber.java

@@ -29,7 +29,7 @@ public abstract class VersionNumber implements Comparable<VersionNumber> {
 
     /**
      * @throws IllegalArgumentException if there are some characters excluding digits and dots.
-     * @param version
+     * @param version version string in form x.x.x
      * @return the int version number
      */
     public static IntVersionNumber asIntVersionNumber(String version) {