TWords in title bar can be dragged now

在 Windows 的启动脚本里增加一行 cd %appdata%

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/MCUtils.java

@@ -20,7 +20,6 @@ package org.jackhuang.hellominecraft.launcher.core;
 import java.io.File;
 import java.io.IOException;
 import org.jackhuang.hellominecraft.util.system.FileUtils;
-import org.jackhuang.hellominecraft.util.system.IOUtils;
 import org.jackhuang.hellominecraft.util.system.OS;
 
 /**
@@ -63,14 +62,11 @@ public final class MCUtils {
     }
 
     public static File getInitGameDir() {
-        File gameDir = IOUtils.currentDir();
+        File gameDir = new File(MCUtils.minecraft());
-        if (gameDir.exists()) {
+        if (!gameDir.exists()) {
-            gameDir = new File(gameDir, MCUtils.minecraft());
+            File newFile = MCUtils.getLocation();
-            if (!gameDir.exists()) {
+            if (newFile.exists())
-                File newFile = MCUtils.getLocation();
+                gameDir = newFile;
-                if (newFile.exists())
-                    gameDir = newFile;
-            }
         }
         return gameDir;
     }
@@ -80,6 +76,6 @@ public final class MCUtils {
     public static void tryWriteProfile(File gameDir) throws IOException {
         File file = new File(gameDir, "launcher_profiles.json");
         if (!file.exists())
-            FileUtils.writeStringToFile(file, PROFILE);
+            FileUtils.write(file, PROFILE);
     }
 }

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/asset/AssetsMojangLoader.java

@@ -66,7 +66,7 @@ public class AssetsMojangLoader extends IAssetsHandler {
             public void executeTask() throws Throwable {
                 if (!areDependTasksSucceeded)
                     throw new IllegalStateException("Failed to get asset index");
-                String result = FileUtils.readFileToString(f);
+                String result = FileUtils.read(f);
                 if (StrUtils.isBlank(result))
                     throw new IllegalStateException("Index json is empty, please redownload it!");
                 AssetsIndex o = C.GSON.fromJson(result, AssetsIndex.class);

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/asset/MinecraftAssetService.java

@@ -22,7 +22,6 @@ import java.io.File;
 import java.io.IOException;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.HashSet;
 import java.util.Map;
 import org.jackhuang.hellominecraft.util.C;
 import org.jackhuang.hellominecraft.launcher.core.service.IMinecraftAssetService;
@@ -30,8 +29,7 @@ import org.jackhuang.hellominecraft.launcher.core.service.IMinecraftService;
 import org.jackhuang.hellominecraft.launcher.core.version.AssetIndexDownloadInfo;
 import org.jackhuang.hellominecraft.launcher.core.version.MinecraftVersion;
 import org.jackhuang.hellominecraft.util.MessageBox;
-import org.jackhuang.hellominecraft.util.Utils;
+import org.jackhuang.hellominecraft.util.func.BiFunction;
-import org.jackhuang.hellominecraft.util.func.Function;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
 import org.jackhuang.hellominecraft.util.tasks.Task;
 import org.jackhuang.hellominecraft.util.tasks.TaskWindow;
@@ -58,23 +56,7 @@ public class MinecraftAssetService extends IMinecraftAssetService {
     public Task downloadAssets(final MinecraftVersion mv) {
         if (mv == null)
             return null;
-        return new TaskInfo("Download Assets") {
+        return IAssetsHandler.ASSETS_HANDLER.getList(mv, service.asset()).after(IAssetsHandler.ASSETS_HANDLER.getDownloadTask(service.getDownloadType().getProvider()));
-            Collection<Task> afters = new HashSet<>();
-
-            @Override
-            public Collection<Task> getDependTasks() {
-                return Arrays.asList(IAssetsHandler.ASSETS_HANDLER.getList(mv, service.asset()));
-            }
-
-            @Override
-            public void executeTask() {
-            }
-
-            @Override
-            public Collection<Task> getAfterTasks() {
-                return Arrays.asList(IAssetsHandler.ASSETS_HANDLER.getDownloadTask(service.getDownloadType().getProvider()));
-            }
-        };
     }
 
     @Override
@@ -151,7 +133,7 @@ public class MinecraftAssetService extends IMinecraftAssetService {
         File objectsDir = new File(assetsDir, "objects");
         File indexFile = new File(indexDir, assetVersion + ".json");
         try {
-            AssetsIndex index = (AssetsIndex) C.GSON.fromJson(FileUtils.readFileToString(indexFile, "UTF-8"), AssetsIndex.class);
+            AssetsIndex index = (AssetsIndex) C.GSON.fromJson(FileUtils.read(indexFile, "UTF-8"), AssetsIndex.class);
 
             String hash = ((AssetsObject) index.getFileMap().get(name)).getHash();
             return new File(objectsDir, hash.substring(0, 2) + "/" + hash);
@@ -170,7 +152,7 @@ public class MinecraftAssetService extends IMinecraftAssetService {
             return false;
 
         try {
-            String assetIndexContent = FileUtils.readFileToString(indexFile, "UTF-8");
+            String assetIndexContent = FileUtils.read(indexFile, "UTF-8");
             AssetsIndex index = (AssetsIndex) C.GSON.fromJson(assetIndexContent, AssetsIndex.class);
 
             if (index == null)
@@ -198,7 +180,7 @@ public class MinecraftAssetService extends IMinecraftAssetService {
         }
 
         try {
-            String assetIndexContent = FileUtils.readFileToString(indexFile, "UTF-8");
+            String assetIndexContent = FileUtils.read(indexFile, "UTF-8");
             AssetsIndex index = (AssetsIndex) C.GSON.fromJson(assetIndexContent, AssetsIndex.class);
 
             if (index == null)
@@ -213,7 +195,7 @@ public class MinecraftAssetService extends IMinecraftAssetService {
                     if (original.exists()) {
                         cnt++;
                         if (!target.isFile())
-                            FileUtils.copyFile(original, target, false);
+                            FileUtils.copyFile(original, target);
                     }
                 }
                 // If the scale new format existent file is lower then 0.1, use the old format.
@@ -227,8 +209,8 @@ public class MinecraftAssetService extends IMinecraftAssetService {
         return virtualRoot;
     }
 
-    public final Function<MinecraftVersion, String> ASSET_PROVIDER_IMPL = t -> {
+    public final BiFunction<MinecraftVersion, Boolean, String> ASSET_PROVIDER_IMPL = (t, allow) -> {
-        if (!checkAssetsExistance(t.getAssetsIndex()))
+        if (allow && !checkAssetsExistance(t.getAssetsIndex()))
             if (MessageBox.Show(C.i18n("assets.no_assets"), MessageBox.YES_NO_OPTION) == MessageBox.YES_OPTION)
                 TaskWindow.execute(downloadAssets(t));
         return reconstructAssets(t.getAssetsIndex()).getAbsolutePath();

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/auth/IAuthenticator.java

@@ -96,7 +96,8 @@ public abstract class IAuthenticator {
     public void onLoadSettings(Map m) {
         if (m == null)
             return;
-        username = (String) m.get("IAuthenticator_UserName");
+        Object o = m.get("IAuthenticator_UserName");
+        username = o instanceof String ? (String) o : "";
     }
 
     public String getUserName() {

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/download/CurseDownloadProvider.java

@@ -25,7 +25,7 @@ public class CurseDownloadProvider extends MojangDownloadProvider {
 
     @Override
     public String getParsedDownloadURL(String str) {
-        return str == null ? null : str.replace("http://files.minecraftforge.net/maven", "http://ftb.cursecdn.com/FTB2/maven/");
+        return str == null ? null : str.replace("http://files.minecraftforge.net/maven", "http://ftb.cursecdn.com/FTB2/maven");
     }
 
 }

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/download/MinecraftDownloadService.java

@@ -85,7 +85,7 @@ public class MinecraftDownloadService extends IMinecraftDownloadService {
                 if (mvj.exists() && !mvj.delete())
                     HMCLog.warn("Failed to delete " + mvj);
                 try {
-                    MinecraftVersion mv = C.GSON.fromJson(FileUtils.readFileToStringQuietly(new File(vpath, id + ".json")), MinecraftVersion.class);
+                    MinecraftVersion mv = C.GSON.fromJson(FileUtils.readQuietly(new File(vpath, id + ".json")), MinecraftVersion.class);
                     if (mv == null)
                         throw new JsonSyntaxException("incorrect version");
 

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/download/MinecraftRemoteVersion.java

@@ -29,6 +29,6 @@ public class MinecraftRemoteVersion {
     public String getUrl(DownloadType type) {
         if (url == null)
             return type.getProvider().getVersionsDownloadURL() + id + "/" + id + ".json";
-        return url;
+        return type.getProvider().getParsedDownloadURL(url);
     }
 }

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/download/MojangDownloadProvider.java

@@ -64,7 +64,7 @@ public class MojangDownloadProvider extends IDownloadProvider {
 
     @Override
     public String getAssetsDownloadURL() {
-        return "http://resources.download.minecraft.net/";
+        return "https://resources.download.minecraft.net/";
     }
 
     @Override

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/install/InstallerVersionList.java

@@ -22,13 +22,13 @@ import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.List;
 import java.util.Objects;
-import org.jackhuang.hellominecraft.util.func.Consumer;
+import org.jackhuang.hellominecraft.util.tasks.Task;
 
 /**
  *
  * @author huangyuhui
  */
-public abstract class InstallerVersionList implements Consumer<String[]> {
+public abstract class InstallerVersionList {
 
     /**
      * Refresh installer versions list from the downloaded content.
@@ -37,7 +37,7 @@ public abstract class InstallerVersionList implements Consumer<String[]> {
      *
      * @throws java.lang.Exception including network exceptions, IO exceptions.
      */
-    public abstract void refreshList(String[] versions) throws Exception;
+    public abstract Task refresh(String[] versions);
 
     /**
      * Installer name.
@@ -117,13 +117,4 @@ public abstract class InstallerVersionList implements Consumer<String[]> {
             return o2.compareTo(o1);
         }
     }
-
-    @Override
-    public void accept(String[] v) {
-        try {
-            refreshList(v);
-        } catch (Exception ex) {
-            throw new RuntimeException(ex);
-        }
-    }
 }

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/install/MinecraftInstallerService.java

@@ -27,10 +27,9 @@ import org.jackhuang.hellominecraft.launcher.core.install.liteloader.LiteLoaderV
 import org.jackhuang.hellominecraft.launcher.core.install.optifine.OptiFineInstaller;
 import org.jackhuang.hellominecraft.launcher.core.install.optifine.vanilla.OptiFineDownloadFormatter;
 import org.jackhuang.hellominecraft.util.tasks.Task;
-import org.jackhuang.hellominecraft.util.tasks.TaskInfo;
-import org.jackhuang.hellominecraft.util.tasks.TaskWindow;
 import org.jackhuang.hellominecraft.util.tasks.download.FileDownloadTask;
 import org.jackhuang.hellominecraft.util.system.IOUtils;
+import org.jackhuang.hellominecraft.util.tasks.DeleteFileTask;
 
 /**
  *
@@ -58,47 +57,31 @@ public final class MinecraftInstallerService extends IMinecraftInstallerService
 
     @Override
     public Task downloadForge(String installId, InstallerVersion v) {
-        return new TaskInfo("Forge Downloader") {
+        File filepath = IOUtils.tryGetCanonicalFile("forge-installer.jar");
-            @Override
+        if (v.installer == null)
-            public void executeTask() {
+            return null;
-                File filepath = IOUtils.tryGetCanonicalFile(IOUtils.currentDirWithSeparator() + "forge-installer.jar");
+        else
-                if (v.installer != null)
+            return new FileDownloadTask(service.getDownloadType().getProvider().getParsedDownloadURL(v.installer), filepath).setTag("forge")
-                    TaskWindow.factory()
+                .after(new ForgeInstaller(service, filepath))
-                        .append(new FileDownloadTask(service.getDownloadType().getProvider().getParsedDownloadURL(v.installer), filepath).setTag("forge"))
+                .after(new DeleteFileTask(filepath));
-                        .append(new ForgeInstaller(service, filepath))
-                        .create();
-            }
-        };
     }
 
     @Override
     public Task downloadOptiFine(String installId, InstallerVersion v) {
-        return new TaskInfo("OptiFine Downloader") {
+        File filepath = IOUtils.tryGetCanonicalFile("optifine-installer.jar");
-            @Override
+        if (v.installer == null)
-            public void executeTask() {
+            return null;
-                File filepath = IOUtils.tryGetCanonicalFile(IOUtils.currentDirWithSeparator() + "optifine-installer.jar");
+        OptiFineDownloadFormatter task = new OptiFineDownloadFormatter(v.installer);
-                if (v.installer != null) {
+        return task.after(new FileDownloadTask(filepath).registerPreviousResult(task).setTag("optifine"))
-                    OptiFineDownloadFormatter task = new OptiFineDownloadFormatter(v.installer);
+            .after(new OptiFineInstaller(service, installId, v, filepath))
-                    TaskWindow.factory().append(task)
+            .after(new DeleteFileTask(filepath));
-                        .append(new FileDownloadTask(filepath).registerPreviousResult(task).setTag("optifine"))
-                        .append(new OptiFineInstaller(service, installId, v, filepath))
-                        .create();
-                }
-            }
-        };
     }
 
     @Override
     public Task downloadLiteLoader(String installId, InstallerVersion v) {
-        return new TaskInfo("LiteLoader Downloader") {
+        File filepath = IOUtils.tryGetCanonicalFile("liteloader-universal.jar");
-            @Override
+        FileDownloadTask task = (FileDownloadTask) new FileDownloadTask(v.universal, filepath).setTag("LiteLoader");
-            public void executeTask() {
+        return task.after(new LiteLoaderInstaller(service, installId, (LiteLoaderVersionList.LiteLoaderInstallerVersion) v).registerPreviousResult(task))
-                File filepath = IOUtils.tryGetCanonicalFile(IOUtils.currentDirWithSeparator() + "liteloader-universal.jar");
+            .after(new DeleteFileTask(filepath));
-                FileDownloadTask task = (FileDownloadTask) new FileDownloadTask(v.universal, filepath).setTag("LiteLoader");
-                TaskWindow.factory()
-                    .append(task).append(new LiteLoaderInstaller(service, installId, (LiteLoaderVersionList.LiteLoaderInstallerVersion) v).registerPreviousResult(task))
-                    .create();
-            }
-        };
     }
 }

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/install/PackMinecraftInstaller.java

@@ -23,7 +23,6 @@ import java.util.ArrayList;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
 import org.jackhuang.hellominecraft.util.system.Compressor;
 import org.jackhuang.hellominecraft.util.system.FileUtils;
-import org.jackhuang.hellominecraft.util.system.IOUtils;
 
 /**
  *
@@ -40,7 +39,7 @@ public class PackMinecraftInstaller {
     }
 
     public void install() throws IOException {
-        File file = new File(IOUtils.currentDir(), "HMCL-MERGE-TEMP");
+        File file = new File("HMCL-MERGE-TEMP");
         if (!file.exists() && !file.mkdirs())
             HMCLog.warn("Failed to make directories: " + file);
         for (String src1 : src)

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/install/forge/MinecraftForgeVersionList.java

@@ -18,6 +18,8 @@
 package org.jackhuang.hellominecraft.launcher.core.install.forge;
 
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
@@ -27,7 +29,9 @@ import org.jackhuang.hellominecraft.launcher.core.download.DownloadType;
 import org.jackhuang.hellominecraft.util.StrUtils;
 import org.jackhuang.hellominecraft.launcher.core.install.InstallerVersionList;
 import org.jackhuang.hellominecraft.launcher.core.install.InstallerVersionNewerComparator;
-import org.jackhuang.hellominecraft.util.NetUtils;
+import org.jackhuang.hellominecraft.util.tasks.Task;
+import org.jackhuang.hellominecraft.util.tasks.TaskInfo;
+import org.jackhuang.hellominecraft.util.tasks.download.HTTPGetTask;
 
 /**
  *
@@ -48,54 +52,68 @@ public class MinecraftForgeVersionList extends InstallerVersionList {
     public List<InstallerVersion> versions;
 
     @Override
-    public void refreshList(String[] needed) throws Exception {
+    public Task refresh(String[] needed) {
         if (root != null)
-            return;
+            return null;
-        String s = NetUtils.get(DownloadType.getSuggestedDownloadType().getProvider().getParsedDownloadURL(C.URL_FORGE_LIST));
+        return new TaskInfo(C.i18n("install.forge.get_list")) {
+            HTTPGetTask task = new HTTPGetTask(DownloadType.getSuggestedDownloadType().getProvider().getParsedDownloadURL(C.URL_FORGE_LIST));
 
-        root = C.GSON.fromJson(s, MinecraftForgeVersionRoot.class);
+            @Override
-
+            public Collection<Task> getDependTasks() {
-        versionMap = new HashMap<>();
+                return Arrays.asList(task);
-        versions = new ArrayList<>();
-
-        for (Map.Entry<String, int[]> arr : root.mcversion.entrySet()) {
-            String mcver = StrUtils.formatVersion(arr.getKey());
-            ArrayList<InstallerVersion> al = new ArrayList<>();
-            for (int num : arr.getValue()) {
-                MinecraftForgeVersion v = root.number.get(num);
-                InstallerVersion iv = new InstallerVersion(v.version, StrUtils.formatVersion(v.mcversion));
-                for (String[] f : v.files) {
-
-                    String ver = v.mcversion + "-" + v.version;
-                    if (!StrUtils.isBlank(v.branch))
-                        ver = ver + "-" + v.branch;
-                    String filename = root.artifact + "-" + ver + "-" + f[1] + "." + f[0];
-                    String url = DownloadType.getSuggestedDownloadType().getProvider().getParsedDownloadURL(root.webpath + ver + "/" + filename);
-                    switch (f[1]) {
-                    case "installer":
-                        iv.installer = url;
-                        break;
-                    case "universal":
-                        iv.universal = url;
-                        break;
-                    case "changelog":
-                        iv.changelog = url;
-                        break;
-                    default:
-                        break;
-                    }
-                }
-                if (StrUtils.isBlank(iv.installer) || StrUtils.isBlank(iv.universal))
-                    continue;
-                Collections.sort(al, new InstallerVersionNewerComparator());
-                al.add(iv);
-                versions.add(iv);
             }
 
-            versionMap.put(StrUtils.formatVersion(mcver), al);
+            @Override
-        }
+            public void executeTask() throws Throwable {
+                if (!areDependTasksSucceeded)
+                    return;
+                String s = task.getResult();
 
-        Collections.sort(versions, new InstallerVersionComparator());
+                root = C.GSON.fromJson(s, MinecraftForgeVersionRoot.class);
+
+                versionMap = new HashMap<>();
+                versions = new ArrayList<>();
+
+                for (Map.Entry<String, int[]> arr : root.mcversion.entrySet()) {
+                    String mcver = StrUtils.formatVersion(arr.getKey());
+                    ArrayList<InstallerVersion> al = new ArrayList<>();
+                    for (int num : arr.getValue()) {
+                        MinecraftForgeVersion v = root.number.get(num);
+                        InstallerVersion iv = new InstallerVersion(v.version, StrUtils.formatVersion(v.mcversion));
+                        for (String[] f : v.files) {
+
+                            String ver = v.mcversion + "-" + v.version;
+                            if (!StrUtils.isBlank(v.branch))
+                                ver = ver + "-" + v.branch;
+                            String filename = root.artifact + "-" + ver + "-" + f[1] + "." + f[0];
+                            String url = DownloadType.getSuggestedDownloadType().getProvider().getParsedDownloadURL(root.webpath + ver + "/" + filename);
+                            switch (f[1]) {
+                            case "installer":
+                                iv.installer = url;
+                                break;
+                            case "universal":
+                                iv.universal = url;
+                                break;
+                            case "changelog":
+                                iv.changelog = url;
+                                break;
+                            default:
+                                break;
+                            }
+                        }
+                        if (StrUtils.isBlank(iv.installer) || StrUtils.isBlank(iv.universal))
+                            continue;
+                        Collections.sort(al, new InstallerVersionNewerComparator());
+                        al.add(iv);
+                        versions.add(iv);
+                    }
+
+                    versionMap.put(StrUtils.formatVersion(mcver), al);
+                }
+
+                Collections.sort(versions, new InstallerVersionComparator());
+            }
+        };
     }
 
     @Override

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderVersionList.java

@@ -19,6 +19,7 @@ package org.jackhuang.hellominecraft.launcher.core.install.liteloader;
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
@@ -28,8 +29,10 @@ import org.jackhuang.hellominecraft.launcher.core.version.MinecraftLibrary;
 import org.jackhuang.hellominecraft.launcher.core.install.InstallerVersionList;
 import org.jackhuang.hellominecraft.launcher.core.install.InstallerVersionList.InstallerVersion;
 import org.jackhuang.hellominecraft.launcher.core.install.InstallerVersionNewerComparator;
-import org.jackhuang.hellominecraft.util.NetUtils;
 import org.jackhuang.hellominecraft.util.StrUtils;
+import org.jackhuang.hellominecraft.util.tasks.Task;
+import org.jackhuang.hellominecraft.util.tasks.TaskInfo;
+import org.jackhuang.hellominecraft.util.tasks.download.HTTPGetTask;
 
 /**
  *
@@ -50,38 +53,52 @@ public class LiteLoaderVersionList extends InstallerVersionList {
     public List<InstallerVersion> versions;
 
     @Override
-    public void refreshList(String[] needed) throws Exception {
+    public Task refresh(String[] needed) {
-        String s = NetUtils.get(C.URL_LITELOADER_LIST);
         if (root != null)
-            return;
+            return null;
+        return new TaskInfo(C.i18n("install.liteloader.get_list")) {
+            HTTPGetTask task = new HTTPGetTask(C.URL_LITELOADER_LIST);
 
-        root = C.GSON.fromJson(s, LiteLoaderVersionsRoot.class);
+            @Override
-
+            public Collection<Task> getDependTasks() {
-        versionMap = new HashMap<>();
+                return Arrays.asList(task);
-        versions = new ArrayList<>();
-
-        for (Map.Entry<String, LiteLoaderMCVersions> arr : root.versions.entrySet()) {
-            ArrayList<InstallerVersion> al = new ArrayList<>();
-            LiteLoaderMCVersions mcv = arr.getValue();
-            if (mcv == null || mcv.artefacts == null || mcv.artefacts.get("com.mumfrey:liteloader") == null)
-                continue;
-            for (Map.Entry<String, LiteLoaderVersion> entry : mcv.artefacts.get("com.mumfrey:liteloader").entrySet()) {
-                if ("latest".equals(entry.getKey()))
-                    continue;
-                LiteLoaderVersion v = entry.getValue();
-                LiteLoaderInstallerVersion iv = new LiteLoaderInstallerVersion(v.version, StrUtils.formatVersion(arr.getKey()));
-                iv.universal = "http://dl.liteloader.com/versions/com/mumfrey/liteloader/" + arr.getKey() + "/" + v.file;
-                iv.tweakClass = v.tweakClass;
-                iv.libraries = Arrays.copyOf(v.libraries, v.libraries.length);
-                iv.installer = "http://dl.liteloader.com/redist/" + iv.mcVersion + "/liteloader-installer-" + iv.selfVersion.replace("_", "-") + ".jar";
-                al.add(iv);
-                versions.add(iv);
             }
-            Collections.sort(al, new InstallerVersionNewerComparator());
-            versionMap.put(StrUtils.formatVersion(arr.getKey()), al);
-        }
 
-        Collections.sort(versions, InstallerVersionComparator.INSTANCE);
+            @Override
+            public void executeTask() throws Throwable {
+                if (!areDependTasksSucceeded)
+                    return;
+                String s = task.getResult();
+
+                root = C.GSON.fromJson(s, LiteLoaderVersionsRoot.class);
+
+                versionMap = new HashMap<>();
+                versions = new ArrayList<>();
+
+                for (Map.Entry<String, LiteLoaderMCVersions> arr : root.versions.entrySet()) {
+                    ArrayList<InstallerVersion> al = new ArrayList<>();
+                    LiteLoaderMCVersions mcv = arr.getValue();
+                    if (mcv == null || mcv.artefacts == null || mcv.artefacts.get("com.mumfrey:liteloader") == null)
+                        continue;
+                    for (Map.Entry<String, LiteLoaderVersion> entry : mcv.artefacts.get("com.mumfrey:liteloader").entrySet()) {
+                        if ("latest".equals(entry.getKey()))
+                            continue;
+                        LiteLoaderVersion v = entry.getValue();
+                        LiteLoaderInstallerVersion iv = new LiteLoaderInstallerVersion(v.version, StrUtils.formatVersion(arr.getKey()));
+                        iv.universal = "http://dl.liteloader.com/versions/com/mumfrey/liteloader/" + arr.getKey() + "/" + v.file;
+                        iv.tweakClass = v.tweakClass;
+                        iv.libraries = Arrays.copyOf(v.libraries, v.libraries.length);
+                        iv.installer = "http://dl.liteloader.com/redist/" + iv.mcVersion + "/liteloader-installer-" + iv.selfVersion.replace("_", "-") + ".jar";
+                        al.add(iv);
+                        versions.add(iv);
+                    }
+                    Collections.sort(al, new InstallerVersionNewerComparator());
+                    versionMap.put(StrUtils.formatVersion(arr.getKey()), al);
+                }
+
+                Collections.sort(versions, InstallerVersionComparator.INSTANCE);
+            }
+        };
     }
 
     @Override

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/install/optifine/OptiFineInstaller.java

@@ -72,14 +72,15 @@ public class OptiFineInstaller extends Task implements PreviousResultRegistrar<F
                     mv.mainClass = "net.minecraft.launchwrapper.Launch";
                     mv.libraries.add(1, new MinecraftLibrary("net.minecraft:launchwrapper:1.7"));
                 }
-                mv.minecraftArguments += " --tweakClass optifine.OptiFineTweaker";
+                if (!mv.minecraftArguments.contains("FMLTweaker"))
+                    mv.minecraftArguments += " --tweakClass optifine.OptiFineTweaker";
             }
         }
         File loc = new File(service.baseDirectory(), "versions/" + mv.id);
         if (!loc.exists() && loc.mkdirs())
             HMCLog.warn("Failed to make directories: " + loc);
         File json = new File(loc, mv.id + ".json");
-        FileUtils.writeStringToFile(json, C.GSON.toJson(mv, MinecraftVersion.class));
+        FileUtils.write(json, C.GSON.toJson(mv, MinecraftVersion.class));
 
         service.version().refreshVersions();
     }

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/install/optifine/bmcl/OptiFineBMCLVersionList.java

@@ -20,6 +20,8 @@ package org.jackhuang.hellominecraft.launcher.core.install.optifine.bmcl;
 import com.google.gson.reflect.TypeToken;
 import java.lang.reflect.Type;
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
@@ -30,8 +32,10 @@ import org.jackhuang.hellominecraft.util.C;
 import org.jackhuang.hellominecraft.util.ArrayUtils;
 import org.jackhuang.hellominecraft.launcher.core.install.InstallerVersionList;
 import org.jackhuang.hellominecraft.launcher.core.install.optifine.OptiFineVersion;
-import org.jackhuang.hellominecraft.util.NetUtils;
 import org.jackhuang.hellominecraft.util.StrUtils;
+import org.jackhuang.hellominecraft.util.tasks.Task;
+import org.jackhuang.hellominecraft.util.tasks.TaskInfo;
+import org.jackhuang.hellominecraft.util.tasks.download.HTTPGetTask;
 
 /**
  *
@@ -55,34 +59,46 @@ public class OptiFineBMCLVersionList extends InstallerVersionList {
     }.getType();
 
     @Override
-    public void refreshList(String[] needed) throws Exception {
+    public Task refresh(String[] needed) {
-        String s = NetUtils.get("http://bmclapi.bangbang93.com/optifine/versionlist");
+        return new TaskInfo(C.i18n("install.optifine.get_list")) {
+            HTTPGetTask task = new HTTPGetTask("http://bmclapi.bangbang93.com/optifine/versionlist");
 
-        versionMap = new HashMap<>();
+            @Override
-        versions = new ArrayList<>();
+            public Collection<Task> getDependTasks() {
-
+                return Arrays.asList(task);
-        if (s == null)
-            return;
-        root = C.GSON.fromJson(s, TYPE);
-        for (OptiFineVersion v : root) {
-            v.setMirror(v.getMirror().replace("http://optifine.net/http://optifine.net/", "http://optifine.net/"));
-
-            if (StrUtils.isBlank(v.getMCVersion())) {
-                Pattern p = Pattern.compile("OptiFine (.*) HD");
-                Matcher m = p.matcher(v.getVersion());
-                while (m.find())
-                    v.setMCVersion(m.group(1));
             }
-            InstallerVersion iv = new InstallerVersion(v.getVersion(), StrUtils.formatVersion(v.getMCVersion()));
 
-            List<InstallerVersion> al = ArrayUtils.tryGetMapWithList(versionMap, StrUtils.formatVersion(v.getMCVersion()));
+            @Override
-            //String url = "http://bmclapi.bangbang93.com/optifine/" + iv.selfVersion.replace(" ", "%20");
+            public void executeTask() throws Throwable {
-            iv.installer = iv.universal = v.getMirror();
+                String s = task.getResult();
-            al.add(iv);
-            versions.add(iv);
-        }
 
-        Collections.sort(versions, InstallerVersionComparator.INSTANCE);
+                versionMap = new HashMap<>();
+                versions = new ArrayList<>();
+
+                if (s == null)
+                    return;
+                root = C.GSON.fromJson(s, TYPE);
+                for (OptiFineVersion v : root) {
+                    v.setMirror(v.getMirror().replace("http://optifine.net/http://optifine.net/", "http://optifine.net/"));
+
+                    if (StrUtils.isBlank(v.getMCVersion())) {
+                        Pattern p = Pattern.compile("OptiFine (.*) HD");
+                        Matcher m = p.matcher(v.getVersion());
+                        while (m.find())
+                            v.setMCVersion(m.group(1));
+                    }
+                    InstallerVersion iv = new InstallerVersion(v.getVersion(), StrUtils.formatVersion(v.getMCVersion()));
+
+                    List<InstallerVersion> al = ArrayUtils.tryGetMapWithList(versionMap, StrUtils.formatVersion(v.getMCVersion()));
+                    //String url = "http://bmclapi.bangbang93.com/optifine/" + iv.selfVersion.replace(" ", "%20");
+                    iv.installer = iv.universal = v.getMirror();
+                    al.add(iv);
+                    versions.add(iv);
+                }
+
+                Collections.sort(versions, InstallerVersionComparator.INSTANCE);
+            }
+        };
     }
 
     @Override

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/install/optifine/vanilla/OptiFineVersionList.java

@@ -20,6 +20,8 @@ package org.jackhuang.hellominecraft.launcher.core.install.optifine.vanilla;
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
@@ -32,8 +34,11 @@ import javax.xml.parsers.ParserConfigurationException;
 import org.jackhuang.hellominecraft.launcher.core.install.InstallerVersionList;
 import org.jackhuang.hellominecraft.launcher.core.install.optifine.OptiFineVersion;
 import org.jackhuang.hellominecraft.util.ArrayUtils;
-import org.jackhuang.hellominecraft.util.NetUtils;
+import org.jackhuang.hellominecraft.util.C;
 import org.jackhuang.hellominecraft.util.StrUtils;
+import org.jackhuang.hellominecraft.util.tasks.Task;
+import org.jackhuang.hellominecraft.util.tasks.TaskInfo;
+import org.jackhuang.hellominecraft.util.tasks.download.HTTPGetTask;
 import org.w3c.dom.DOMException;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
@@ -59,60 +64,74 @@ public class OptiFineVersionList extends InstallerVersionList {
     public List<InstallerVersion> versions;
 
     @Override
-    public void refreshList(String[] sss) throws Exception {
+    public Task refresh(String[] sss) {
-        String content = NetUtils.get("http://optifine.net/downloads");
         if (versions != null)
-            return;
+            return null;
-        versionMap = new HashMap<>();
+        return new TaskInfo(C.i18n("install.optifine.get_list")) {
-        versions = new ArrayList<>();
+            HTTPGetTask task = new HTTPGetTask("http://optifine.net/downloads");
 
-        content = content.replace("&nbsp;", " ").replace("&gt;", ">").replace("&lt;", "<").replace("<br>", "<br />");
+            @Override
-
+            public Collection<Task> getDependTasks() {
-        try {
+                return Arrays.asList(task);
-            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
-            DocumentBuilder db = factory.newDocumentBuilder();
-            Document doc = db.parse(new ByteArrayInputStream(content.getBytes("UTF-8")));
-            Element r = doc.getDocumentElement();
-            NodeList tables = r.getElementsByTagName("table");
-            for (int i = 0; i < tables.getLength(); i++) {
-                Element e = (Element) tables.item(i);
-                if ("downloadTable".equals(e.getAttribute("class"))) {
-                    NodeList tr = e.getElementsByTagName("tr");
-                    for (int k = 0; k < tr.getLength(); k++) {
-                        NodeList downloadLine = ((Element) tr.item(k)).getElementsByTagName("td");
-                        OptiFineVersion v = new OptiFineVersion();
-                        for (int j = 0; j < downloadLine.getLength(); j++) {
-                            Element td = (Element) downloadLine.item(j);
-                            if (StrUtils.startsWith(td.getAttribute("class"), "downloadLineMirror"))
-                                v.setMirror(((Element) td.getElementsByTagName("a").item(0)).getAttribute("href"));
-                            if (StrUtils.startsWith(td.getAttribute("class"), "downloadLineDownload"))
-                                v.setDownloadLink(((Element) td.getElementsByTagName("a").item(0)).getAttribute("href"));
-                            if (StrUtils.startsWith(td.getAttribute("class"), "downloadLineDate"))
-                                v.setDate(td.getTextContent());
-                            if (StrUtils.startsWith(td.getAttribute("class"), "downloadLineFile"))
-                                v.setVersion(td.getTextContent());
-                        }
-                        if (StrUtils.isBlank(v.getMCVersion())) {
-                            Pattern p = Pattern.compile("OptiFine (.*?) ");
-                            Matcher m = p.matcher(v.getVersion());
-                            while (m.find())
-                                v.setMCVersion(StrUtils.formatVersion(m.group(1)));
-                        }
-                        InstallerVersion iv = new InstallerVersion(v.getVersion(), StrUtils.formatVersion(v.getMCVersion()));
-                        iv.installer = iv.universal = v.getMirror();
-                        root.add(v);
-                        versions.add(iv);
-
-                        List<InstallerVersion> ivl = ArrayUtils.tryGetMapWithList(versionMap, StrUtils.formatVersion(v.getMCVersion()));
-                        ivl.add(iv);
-                    }
-                }
             }
-        } catch (ParserConfigurationException | SAXException | IOException | DOMException ex) {
-            throw new RuntimeException(ex);
-        }
 
-        Collections.sort(versions, InstallerVersionComparator.INSTANCE);
+            @Override
+            public void executeTask() throws Throwable {
+                if (!areDependTasksSucceeded)
+                    return;
+                String content = task.getResult();
+                versionMap = new HashMap<>();
+                versions = new ArrayList<>();
+
+                content = content.replace("&nbsp;", " ").replace("&gt;", ">").replace("&lt;", "<").replace("<br>", "<br />");
+
+                try {
+                    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+                    DocumentBuilder db = factory.newDocumentBuilder();
+                    Document doc = db.parse(new ByteArrayInputStream(content.getBytes("UTF-8")));
+                    Element r = doc.getDocumentElement();
+                    NodeList tables = r.getElementsByTagName("table");
+                    for (int i = 0; i < tables.getLength(); i++) {
+                        Element e = (Element) tables.item(i);
+                        if ("downloadTable".equals(e.getAttribute("class"))) {
+                            NodeList tr = e.getElementsByTagName("tr");
+                            for (int k = 0; k < tr.getLength(); k++) {
+                                NodeList downloadLine = ((Element) tr.item(k)).getElementsByTagName("td");
+                                OptiFineVersion v = new OptiFineVersion();
+                                for (int j = 0; j < downloadLine.getLength(); j++) {
+                                    Element td = (Element) downloadLine.item(j);
+                                    if (StrUtils.startsWith(td.getAttribute("class"), "downloadLineMirror"))
+                                        v.setMirror(((Element) td.getElementsByTagName("a").item(0)).getAttribute("href"));
+                                    if (StrUtils.startsWith(td.getAttribute("class"), "downloadLineDownload"))
+                                        v.setDownloadLink(((Element) td.getElementsByTagName("a").item(0)).getAttribute("href"));
+                                    if (StrUtils.startsWith(td.getAttribute("class"), "downloadLineDate"))
+                                        v.setDate(td.getTextContent());
+                                    if (StrUtils.startsWith(td.getAttribute("class"), "downloadLineFile"))
+                                        v.setVersion(td.getTextContent());
+                                }
+                                if (StrUtils.isBlank(v.getMCVersion())) {
+                                    Pattern p = Pattern.compile("OptiFine (.*?) ");
+                                    Matcher m = p.matcher(v.getVersion());
+                                    while (m.find())
+                                        v.setMCVersion(StrUtils.formatVersion(m.group(1)));
+                                }
+                                InstallerVersion iv = new InstallerVersion(v.getVersion(), StrUtils.formatVersion(v.getMCVersion()));
+                                iv.installer = iv.universal = v.getMirror();
+                                root.add(v);
+                                versions.add(iv);
+
+                                List<InstallerVersion> ivl = ArrayUtils.tryGetMapWithList(versionMap, StrUtils.formatVersion(v.getMCVersion()));
+                                ivl.add(iv);
+                            }
+                        }
+                    }
+                } catch (ParserConfigurationException | SAXException | IOException | DOMException ex) {
+                    throw new RuntimeException(ex);
+                }
+
+                Collections.sort(versions, InstallerVersionComparator.INSTANCE);
+            }
+        };
     }
 
     @Override

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/launch/AbstractMinecraftLoader.java

@@ -29,7 +29,6 @@ import org.jackhuang.hellominecraft.util.MessageBox;
 import org.jackhuang.hellominecraft.util.system.OS;
 import org.jackhuang.hellominecraft.util.system.Platform;
 import org.jackhuang.hellominecraft.util.StrUtils;
-import org.jackhuang.hellominecraft.util.Utils;
 import org.jackhuang.hellominecraft.launcher.core.GameException;
 import org.jackhuang.hellominecraft.launcher.core.auth.UserProfileProvider;
 import org.jackhuang.hellominecraft.launcher.core.version.MinecraftVersion;

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/launch/GameLauncher.java

@@ -96,10 +96,12 @@ public class GameLauncher {
         if (file != null)
             FileUtils.cleanDirectoryQuietly(file);
 
-        HMCLog.log("Detecting libraries...");
+        if (!options.isNotCheckGame()) {
-        launchingStateChangedEvent.execute(LaunchingState.DownloadingLibraries);
+            HMCLog.log("Detecting libraries...");
-        if (!downloadLibrariesEvent.execute(service.download().getDownloadLibraries(loader.getMinecraftVersion())))
+            launchingStateChangedEvent.execute(LaunchingState.DownloadingLibraries);
-            throw new GameException("Failed to download libraries");
+            if (!downloadLibrariesEvent.execute(service.download().getDownloadLibraries(loader.getMinecraftVersion())))
+                throw new GameException("Failed to download libraries");
+        }
 
         HMCLog.log("Unpacking natives...");
         launchingStateChangedEvent.execute(LaunchingState.DecompressingNatives);
@@ -118,8 +120,8 @@ public class GameLauncher {
      *
      * @throws IOException failed creating process
      */
-    public void launch(List str) throws IOException {
+    public void launch(List<String> str) throws IOException {
-        if (!service.version().onLaunch())
+        if (!service.version().onLaunch(options.getLaunchVersion()))
             return;
         if (StrUtils.isNotBlank(options.getPrecalledCommand())) {
             Process p = Runtime.getRuntime().exec(options.getPrecalledCommand());
@@ -131,6 +133,7 @@ public class GameLauncher {
             }
         }
         HMCLog.log("Starting process");
+        HMCLog.log(str.toString());
         ProcessBuilder builder = new ProcessBuilder(str);
         if (options.getLaunchVersion() == null || service.baseDirectory() == null)
             throw new Error("Fucking bug!");
@@ -153,7 +156,7 @@ public class GameLauncher {
      */
     public File makeLauncher(String launcherName, List str) throws IOException {
         HMCLog.log("Making shell launcher...");
-        service.version().onLaunch();
+        service.version().onLaunch(options.getLaunchVersion());
         boolean isWin = OS.os() == OS.WINDOWS;
         File f = new File(launcherName + (isWin ? ".bat" : ".sh"));
         if (!f.exists() && !f.createNewFile())
@@ -172,6 +175,8 @@ public class GameLauncher {
             if (appdata != null) {
                 writer.write("set appdata=" + appdata);
                 writer.newLine();
+                writer.write("cd %appdata%");
+                writer.newLine();
             }
         }
         if (StrUtils.isNotBlank(options.getPrecalledCommand())) {

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/launch/LaunchOptions.java

@@ -30,7 +30,7 @@ public class LaunchOptions {
 
     private String name, versionName, javaArgs, minecraftArgs, maxMemory, permSize, width, height, serverIp, wrapper;
     private String proxyHost, proxyPort, proxyUser, proxyPass, javaDir, launchVersion, type, precalledCommand;
-    private boolean fullscreen, noJVMArgs;
+    private boolean fullscreen, noJVMArgs, notCheckGame;
     private JdkVersion java;
     private File gameDir;
     private GameDirType gameDirType;
@@ -222,4 +222,12 @@ public class LaunchOptions {
     public void setType(String type) {
         this.type = type;
     }
+
+    public boolean isNotCheckGame() {
+        return notCheckGame;
+    }
+
+    public void setNotCheckGame(boolean notCheckGame) {
+        this.notCheckGame = notCheckGame;
+    }
 }

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/launch/MinecraftLoader.java

@@ -21,7 +21,6 @@ import java.io.File;
 import java.io.IOException;
 import java.util.List;
 import org.jackhuang.hellominecraft.util.StrUtils;
-import org.jackhuang.hellominecraft.util.func.Function;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
 import org.jackhuang.hellominecraft.util.system.IOUtils;
 import org.jackhuang.hellominecraft.util.system.OS;
@@ -30,6 +29,7 @@ import org.jackhuang.hellominecraft.launcher.core.auth.UserProfileProvider;
 import org.jackhuang.hellominecraft.launcher.core.version.MinecraftLibrary;
 import org.jackhuang.hellominecraft.launcher.core.version.MinecraftVersion;
 import org.jackhuang.hellominecraft.launcher.core.service.IMinecraftService;
+import org.jackhuang.hellominecraft.util.func.BiFunction;
 
 /**
  *
@@ -57,7 +57,7 @@ public class MinecraftLoader extends AbstractMinecraftLoader {
 
         String[] splitted = StrUtils.tokenize(version.minecraftArguments);
 
-        String game_assets = assetProvider.apply(version);
+        String game_assets = assetProvider.apply(version, !options.isNotCheckGame());
 
         for (String t : splitted) {
             t = t.replace("${auth_player_name}", lr.getUserName());
@@ -96,13 +96,13 @@ public class MinecraftLoader extends AbstractMinecraftLoader {
         }
     }
 
-    private final Function<MinecraftVersion, String> DEFAULT_ASSET_PROVIDER = t -> {
+    private final BiFunction<MinecraftVersion, Boolean, String> DEFAULT_ASSET_PROVIDER = (t, allow) -> {
         return new File(service.baseDirectory(), "assets").getAbsolutePath();
     };
 
-    private Function<MinecraftVersion, String> assetProvider = DEFAULT_ASSET_PROVIDER;
+    private BiFunction<MinecraftVersion, Boolean, String> assetProvider = DEFAULT_ASSET_PROVIDER;
 
-    public void setAssetProvider(Function<MinecraftVersion, String> assetProvider) {
+    public void setAssetProvider(BiFunction<MinecraftVersion, Boolean, String> assetProvider) {
         if (assetProvider == null)
             this.assetProvider = DEFAULT_ASSET_PROVIDER;
         else

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/mod/ModpackManager.java

@@ -164,13 +164,13 @@ public final class ModpackManager {
                         HMCLog.warn("Failed to rename incorrect json " + oldFile + " to " + nowFile);
 
                     File json = new File(nowFile, "pack.json");
-                    MinecraftVersion mv = C.GSON.fromJson(FileUtils.readFileToString(json), MinecraftVersion.class);
+                    MinecraftVersion mv = C.GSON.fromJson(FileUtils.read(json), MinecraftVersion.class);
                     if (mv.jar == null)
                         throw new FileNotFoundException(C.i18n("modpack.incorrect_format.no_jar"));
 
                     c.add(service.download().downloadMinecraftJar(mv, new File(nowFile, id + ".jar")));
                     mv.jar = null;
-                    FileUtils.writeStringToFile(json, C.GSON.toJson(mv));
+                    FileUtils.write(json, C.GSON.toJson(mv));
                     if (!json.renameTo(new File(nowFile, id + ".json")))
                         HMCLog.warn("Failed to rename pack.json to new id");
 

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/service/IMinecraftProvider.java

@@ -72,13 +72,6 @@ public abstract class IMinecraftProvider {
      */
     public abstract boolean install(String version, Consumer<MinecraftVersion> callback);
 
-    /**
-     * Returns the thing like ".minecraft/resourcepacks".
-     *
-     * @return the thing
-     */
-    public abstract File getResourcePacks();
-
     /**
      *
      * @param v should be resolved
@@ -164,7 +157,7 @@ public abstract class IMinecraftProvider {
      *
      * @return if false, will break the launch process.
      */
-    public abstract boolean onLaunch();
+    public abstract boolean onLaunch(String id);
 
     public File baseDirectory() {
         return service.baseDirectory();

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/version/LibraryDownloadInfo.java

@@ -19,6 +19,7 @@ package org.jackhuang.hellominecraft.launcher.core.version;
 
 import org.jackhuang.hellominecraft.launcher.core.download.DownloadType;
 import org.jackhuang.hellominecraft.util.StrUtils;
+import org.jackhuang.hellominecraft.util.system.IOUtils;
 
 /**
  *
@@ -31,14 +32,14 @@ public class LibraryDownloadInfo extends GameDownloadInfo {
 
     @Override
     public String getUrl(DownloadType dt, boolean allowSelf) {
-        String myURL = (forgeURL == null ? dt.getProvider().getLibraryDownloadURL() : forgeURL) + "/";
+        String myURL = (forgeURL == null ? dt.getProvider().getLibraryDownloadURL() : forgeURL);
         if (StrUtils.isNotBlank(url) && allowSelf)
             myURL = url;
         if (!myURL.endsWith(".jar"))
             if (path == null)
                 return null;
             else
-                myURL += path.replace('\\', '/');
+                myURL = IOUtils.addURLSeparator(myURL) + path.replace('\\', '/');
         return myURL;
     }
 }

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/version/MinecraftVersion.java

@@ -121,7 +121,7 @@ public class MinecraftVersion implements Cloneable, Comparable<MinecraftVersion>
             this.assets != null ? this.assets : parent.assets,
             this.jar != null ? this.jar : parent.jar,
             null, this.runDir, parent.minimumLauncherVersion,
-            this.libraries != null ? ArrayUtils.merge(this.libraries, parent.libraries) : parent.libraries, this.hidden,
+            this.libraries != null ? ArrayUtils.merge(parent.libraries, this.libraries) : parent.libraries, this.hidden,
             this.downloads != null ? this.downloads : parent.downloads,
             this.assetIndex != null ? this.assetIndex : parent.assetIndex);
 

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/version/MinecraftVersionManager.java

@@ -111,7 +111,7 @@ public class MinecraftVersionManager extends IMinecraftProvider {
                 }
                 MinecraftVersion mcVersion;
                 try {
-                    mcVersion = C.GSON.fromJson(FileUtils.readFileToString(jsonFile), MinecraftVersion.class);
+                    mcVersion = C.GSON.fromJson(FileUtils.read(jsonFile), MinecraftVersion.class);
                     if (mcVersion == null)
                         throw new GameException("Wrong json format, got null.");
                 } catch (Exception e) {
@@ -119,7 +119,7 @@ public class MinecraftVersionManager extends IMinecraftProvider {
                     if (MessageBox.Show(C.i18n("launcher.versions_json_not_formatted", id), MessageBox.YES_NO_OPTION) == MessageBox.YES_OPTION) {
                         service.download().downloadMinecraftVersionJson(id);
                         try {
-                            mcVersion = C.GSON.fromJson(FileUtils.readFileToString(jsonFile), MinecraftVersion.class);
+                            mcVersion = C.GSON.fromJson(FileUtils.read(jsonFile), MinecraftVersion.class);
                             if (mcVersion == null)
                                 throw new GameException("Wrong json format, got null.");
                         } catch (IOException | GameException | JsonSyntaxException ex) {
@@ -164,7 +164,7 @@ public class MinecraftVersionManager extends IMinecraftProvider {
     public boolean renameVersion(String from, String to) {
         try {
             File fromJson = new File(versionRoot(from), from + ".json");
-            MinecraftVersion mcVersion = C.GSON.fromJson(FileUtils.readFileToString(fromJson), MinecraftVersion.class);
+            MinecraftVersion mcVersion = C.GSON.fromJson(FileUtils.read(fromJson), MinecraftVersion.class);
             mcVersion.id = to;
             FileUtils.writeQuietly(fromJson, C.GSON.toJson(mcVersion));
             File toDir = versionRoot(to);
@@ -198,7 +198,7 @@ public class MinecraftVersionManager extends IMinecraftProvider {
             return false;
         if (callback != null) {
             File mvt = new File(versionRoot(id), id + ".json");
-            MinecraftVersion v = C.GSON.fromJson(FileUtils.readFileToStringQuietly(mvt), MinecraftVersion.class);
+            MinecraftVersion v = C.GSON.fromJson(FileUtils.readQuietly(mvt), MinecraftVersion.class);
             if (v == null)
                 return false;
             callback.accept(v);
@@ -254,13 +254,8 @@ public class MinecraftVersionManager extends IMinecraftProvider {
     }
 
     @Override
-    public File getResourcePacks() {
+    public boolean onLaunch(String id) {
-        return new File(service.baseDirectory(), "resourcepacks");
+        File resourcePacks = new File(getRunDirectory(id), "resourcepacks");
-    }
-
-    @Override
-    public boolean onLaunch() {
-        File resourcePacks = getResourcePacks();
         if (!resourcePacks.exists() && !resourcePacks.mkdirs())
             HMCLog.warn("Failed to make resourcePacks: " + resourcePacks);
         return true;

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/Config.java

@@ -75,6 +75,8 @@ public final class Config implements Cloneable {
     public transient final EventHandler<IAuthenticator> authChangedEvent = new EventHandler<>(this);
 
     public Theme getTheme() {
+        if (theme >= Theme.values().length)
+            theme = 0;
         return Theme.values()[theme];
     }
 

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/Profile.java

@@ -46,7 +46,7 @@ public final class Profile {
     }
 
     public Profile(String name) {
-        this(name, new File(IOUtils.currentDir(), ".minecraft").getPath());
+        this(name, new File(".minecraft").getPath());
     }
 
     public Profile(String name, String gameDir) {

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/Settings.java

@@ -30,7 +30,6 @@ import org.jackhuang.hellominecraft.launcher.core.download.DownloadType;
 import org.jackhuang.hellominecraft.util.CollectionUtils;
 import org.jackhuang.hellominecraft.util.EventHandler;
 import org.jackhuang.hellominecraft.util.system.FileUtils;
-import org.jackhuang.hellominecraft.util.system.IOUtils;
 import org.jackhuang.hellominecraft.util.MessageBox;
 import org.jackhuang.hellominecraft.util.UpdateChecker;
 
@@ -43,7 +42,7 @@ public final class Settings {
     public static final String DEFAULT_PROFILE = "Default";
     public static final String HOME_PROFILE = "Home";
 
-    public static final File SETTINGS_FILE = new File(IOUtils.currentDir(), "hmcl.json");
+    public static final File SETTINGS_FILE = new File("hmcl.json");
 
     private static final Config SETTINGS;
     public static final UpdateChecker UPDATE_CHECKER = new UpdateChecker(Main.getVersionNumber(), "hmcl");
@@ -71,7 +70,7 @@ public final class Settings {
         Config c = new Config();
         if (SETTINGS_FILE.exists())
             try {
-                String str = FileUtils.readFileToString(SETTINGS_FILE);
+                String str = FileUtils.read(SETTINGS_FILE);
                 if (str == null || str.trim().equals(""))
                     HMCLog.log("Settings file is empty, use the default settings.");
                 else {

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/VersionSetting.java

@@ -41,7 +41,7 @@ public class VersionSetting {
 
     private String javaArgs, minecraftArgs, maxMemory, permSize, width, height;
     private String javaDir, precalledCommand, serverIp, java, wrapper;
-    private boolean fullscreen, noJVMArgs;
+    private boolean fullscreen, noJVMArgs, notCheckGame;
 
     /**
      * 0 - Close the launcher when the game starts.<br/>
@@ -265,6 +265,15 @@ public class VersionSetting {
         propertyChanged.execute("serverIp");
     }
 
+    public boolean isNotCheckGame() {
+        return notCheckGame;
+    }
+
+    public void setNotCheckGame(boolean notCheckGame) {
+        this.notCheckGame = notCheckGame;
+        propertyChanged.execute("notCheckGame");
+    }
+
     public LaunchOptions createLaunchOptions(File gameDir) {
         LaunchOptions x = new LaunchOptions();
         x.setFullscreen(isFullscreen());
@@ -280,6 +289,7 @@ public class VersionSetting {
         x.setType(Main.shortTitle());
         x.setVersionName(Main.shortTitle());
         x.setNoJVMArgs(isNoJVMArgs());
+        x.setNotCheckGame(isNotCheckGame());
         x.setPermSize(getPermSize());
         x.setPrecalledCommand(getPrecalledCommand());
         x.setProxyHost(Settings.getInstance().getProxyHost());

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/GameSettingsPanel.form

@@ -42,7 +42,7 @@
               <Group type="102" alignment="0" attributes="0">
                   <EmptySpace max="-2" attributes="0"/>
                   <Component id="btnIncludeMinecraft" min="-2" max="-2" attributes="0"/>
-                  <EmptySpace pref="916" max="32767" attributes="0"/>
+                  <EmptySpace pref="577" max="32767" attributes="0"/>
               </Group>
           </Group>
       </Group>
@@ -63,7 +63,7 @@
           </Group>
           <Group type="103" rootIndex="1" groupAlignment="0" attributes="0">
               <Group type="102" alignment="1" attributes="0">
-                  <EmptySpace pref="576" max="32767" attributes="0"/>
+                  <EmptySpace pref="447" max="32767" attributes="0"/>
                   <Component id="btnIncludeMinecraft" min="-2" max="-2" attributes="0"/>
                   <EmptySpace max="-2" attributes="0"/>
               </Group>
@@ -122,7 +122,7 @@
                                       <Component id="lblDimensionX" min="-2" max="-2" attributes="0"/>
                                       <EmptySpace max="-2" attributes="0"/>
                                       <Component id="txtHeight" min="-2" pref="100" max="-2" attributes="0"/>
-                                      <EmptySpace pref="402" max="32767" attributes="0"/>
+                                      <EmptySpace pref="63" max="32767" attributes="0"/>
                                       <Component id="chkFullscreen" min="-2" max="-2" attributes="0"/>
                                   </Group>
                                   <Group type="102" alignment="1" attributes="0">
@@ -195,7 +195,7 @@
                           <Component id="lblDimension" alignment="3" min="-2" max="-2" attributes="0"/>
                           <Component id="txtWidth" alignment="3" min="-2" pref="26" max="-2" attributes="0"/>
                       </Group>
-                      <EmptySpace pref="228" max="32767" attributes="0"/>
+                      <EmptySpace pref="99" max="32767" attributes="0"/>
                       <Group type="103" groupAlignment="3" attributes="0">
                           <Component id="btnDownloadAllAssets" alignment="3" min="-2" max="-2" attributes="0"/>
                           <Component id="btnCleanGame" alignment="3" min="-2" max="-2" attributes="0"/>
@@ -388,16 +388,6 @@
           <Layout>
             <DimensionLayout dim="0">
               <Group type="103" groupAlignment="0" attributes="0">
-                  <Group type="102" attributes="0">
-                      <Group type="103" groupAlignment="0" attributes="0">
-                          <Component id="txtWrapperLauncher" alignment="0" max="32767" attributes="0"/>
-                          <Group type="102" alignment="0" attributes="0">
-                              <Component id="lblPrecalledCommand1" min="-2" max="-2" attributes="0"/>
-                              <EmptySpace min="0" pref="0" max="32767" attributes="0"/>
-                          </Group>
-                      </Group>
-                      <EmptySpace max="-2" attributes="0"/>
-                  </Group>
                   <Component id="txtPrecalledCommand" alignment="0" max="32767" attributes="0"/>
                   <Component id="txtServerIP" alignment="0" max="32767" attributes="0"/>
                   <Group type="102" alignment="1" attributes="0">
@@ -408,21 +398,30 @@
                       </Group>
                       <EmptySpace max="-2" attributes="0"/>
                       <Group type="103" groupAlignment="0" attributes="0">
-                          <Component id="txtJavaArgs" pref="664" max="32767" attributes="0"/>
+                          <Component id="txtJavaArgs" pref="325" max="32767" attributes="0"/>
                           <Component id="txtMinecraftArgs" max="32767" attributes="0"/>
                           <Component id="txtPermSize" alignment="1" max="32767" attributes="0"/>
                       </Group>
                   </Group>
                   <Group type="102" attributes="0">
                       <Group type="103" groupAlignment="0" attributes="0">
-                          <Component id="lblPrecalledCommand" alignment="0" min="-2" max="-2" attributes="0"/>
+                          <Component id="txtWrapperLauncher" alignment="0" max="32767" attributes="0"/>
-                          <Component id="lblServerIP" alignment="0" min="-2" max="-2" attributes="0"/>
                           <Group type="102" alignment="0" attributes="0">
                               <EmptySpace max="-2" attributes="0"/>
                               <Component id="chkNoJVMArgs" min="-2" max="-2" attributes="0"/>
+                              <EmptySpace max="32767" attributes="0"/>
+                              <Component id="chkDontCheckGame" min="-2" max="-2" attributes="0"/>
+                          </Group>
+                          <Group type="102" attributes="0">
+                              <Group type="103" groupAlignment="0" attributes="0">
+                                  <Component id="lblPrecalledCommand1" alignment="0" min="-2" max="-2" attributes="0"/>
+                                  <Component id="lblPrecalledCommand" alignment="0" min="-2" max="-2" attributes="0"/>
+                                  <Component id="lblServerIP" alignment="0" min="-2" max="-2" attributes="0"/>
+                              </Group>
+                              <EmptySpace min="0" pref="0" max="32767" attributes="0"/>
                           </Group>
                       </Group>
-                      <EmptySpace min="0" pref="0" max="32767" attributes="0"/>
+                      <EmptySpace max="-2" attributes="0"/>
                   </Group>
               </Group>
             </DimensionLayout>
@@ -456,8 +455,11 @@
                       <Component id="lblServerIP" min="-2" max="-2" attributes="0"/>
                       <EmptySpace max="-2" attributes="0"/>
                       <Component id="txtServerIP" min="-2" pref="26" max="-2" attributes="0"/>
-                      <EmptySpace pref="168" max="32767" attributes="0"/>
+                      <EmptySpace pref="39" max="32767" attributes="0"/>
-                      <Component id="chkNoJVMArgs" min="-2" max="-2" attributes="0"/>
+                      <Group type="103" groupAlignment="3" attributes="0">
+                          <Component id="chkNoJVMArgs" alignment="3" min="-2" max="-2" attributes="0"/>
+                          <Component id="chkDontCheckGame" alignment="3" min="-2" max="-2" attributes="0"/>
+                      </Group>
                       <EmptySpace max="-2" attributes="0"/>
                   </Group>
               </Group>
@@ -551,6 +553,16 @@
                 <EventHandler event="focusLost" listener="java.awt.event.FocusListener" parameters="java.awt.event.FocusEvent" handler="txtWrapperLauncherFocusLost"/>
               </Events>
             </Component>
+            <Component class="javax.swing.JCheckBox" name="chkDontCheckGame">
+              <Properties>
+                <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+                  <ResourceString bundle="org/jackhuang/hellominecraft/lang/I18N.properties" key="advancedsettings.dont_check_game_completeness" replaceFormat="C.i18n(&quot;{key}&quot;)"/>
+                </Property>
+              </Properties>
+              <Events>
+                <EventHandler event="itemStateChanged" listener="java.awt.event.ItemListener" parameters="java.awt.event.ItemEvent" handler="chkDontCheckGameItemStateChanged"/>
+              </Events>
+            </Component>
           </SubComponents>
         </Container>
         <Container class="javax.swing.JPanel" name="pnlModManagement">
@@ -586,7 +598,7 @@
                 <DimensionLayout dim="0">
                   <Group type="103" groupAlignment="0" attributes="0">
                       <Group type="102" attributes="0">
-                          <Component id="jScrollPane1" pref="889" max="32767" attributes="0"/>
+                          <Component id="jScrollPane1" pref="550" max="32767" attributes="0"/>
                           <EmptySpace max="-2" attributes="0"/>
                           <Group type="103" groupAlignment="0" max="-2" attributes="0">
                               <Component id="btnRemoveMod" max="32767" attributes="0"/>
@@ -594,7 +606,7 @@
                           </Group>
                       </Group>
                       <Group type="102" alignment="1" attributes="0">
-                          <Component id="lblModInfo" pref="985" max="32767" attributes="0"/>
+                          <Component id="lblModInfo" pref="646" max="32767" attributes="0"/>
                           <EmptySpace max="-2" attributes="0"/>
                       </Group>
                   </Group>
@@ -609,7 +621,7 @@
                                   <Component id="btnRemoveMod" min="-2" max="-2" attributes="0"/>
                                   <EmptySpace min="0" pref="0" max="32767" attributes="0"/>
                               </Group>
-                              <Component id="jScrollPane1" pref="428" max="32767" attributes="0"/>
+                              <Component id="jScrollPane1" pref="299" max="32767" attributes="0"/>
                           </Group>
                           <EmptySpace min="-2" max="-2" attributes="0"/>
                           <Component id="lblModInfo" min="-2" max="-2" attributes="0"/>

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/GameSettingsPanel.java

@@ -61,7 +61,6 @@ import org.jackhuang.hellominecraft.util.system.OS;
 import org.jackhuang.hellominecraft.util.StrUtils;
 import org.jackhuang.hellominecraft.util.func.Consumer;
 import org.jackhuang.hellominecraft.util.system.FileUtils;
-import org.jackhuang.hellominecraft.util.system.IOUtils;
 import org.jackhuang.hellominecraft.util.ui.SwingUtils;
 import org.jackhuang.hellominecraft.util.system.Java;
 import org.jackhuang.hellominecraft.util.tasks.TaskWindow;
@@ -292,6 +291,7 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
         txtServerIP = new javax.swing.JTextField();
         lblPrecalledCommand1 = new javax.swing.JLabel();
         txtWrapperLauncher = new javax.swing.JTextField();
+        chkDontCheckGame = new javax.swing.JCheckBox();
         pnlModManagement = new AnimatedPanel();
         pnlModManagementContent = new javax.swing.JPanel();
         jScrollPane1 = new javax.swing.JScrollPane();
@@ -451,7 +451,7 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
                                 .addComponent(lblDimensionX)
                                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                 .addComponent(txtHeight, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
-                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 402, Short.MAX_VALUE)
+                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 63, Short.MAX_VALUE)
                                 .addComponent(chkFullscreen))
                             .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, pnlSettingsLayout.createSequentialGroup()
                                 .addComponent(txtMaxMemory)
@@ -508,7 +508,7 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
                     .addComponent(lblDimensionX, javax.swing.GroupLayout.PREFERRED_SIZE, 26, javax.swing.GroupLayout.PREFERRED_SIZE)
                     .addComponent(lblDimension)
                     .addComponent(txtWidth, javax.swing.GroupLayout.PREFERRED_SIZE, 26, javax.swing.GroupLayout.PREFERRED_SIZE))
-                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 228, Short.MAX_VALUE)
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 99, Short.MAX_VALUE)
                 .addGroup(pnlSettingsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                     .addComponent(btnDownloadAllAssets)
                     .addComponent(btnCleanGame))
@@ -573,39 +573,46 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
             }
         });
 
+        chkDontCheckGame.setText(C.i18n("advancedsettings.dont_check_game_completeness")); // NOI18N
+        chkDontCheckGame.addItemListener(new java.awt.event.ItemListener() {
+            public void itemStateChanged(java.awt.event.ItemEvent evt) {
+                chkDontCheckGameItemStateChanged(evt);
+            }
+        });
+
         javax.swing.GroupLayout pnlAdvancedSettingsLayout = new javax.swing.GroupLayout(pnlAdvancedSettings);
         pnlAdvancedSettings.setLayout(pnlAdvancedSettingsLayout);
         pnlAdvancedSettingsLayout.setHorizontalGroup(
             pnlAdvancedSettingsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-            .addGroup(pnlAdvancedSettingsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+            .addComponent(txtPrecalledCommand)
-                .addGroup(pnlAdvancedSettingsLayout.createSequentialGroup()
+            .addComponent(txtServerIP)
-                    .addGroup(pnlAdvancedSettingsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, pnlAdvancedSettingsLayout.createSequentialGroup()
-                        .addComponent(txtWrapperLauncher)
+                .addGroup(pnlAdvancedSettingsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                        .addGroup(pnlAdvancedSettingsLayout.createSequentialGroup()
+                    .addComponent(lblMinecraftArgs)
-                            .addComponent(lblPrecalledCommand1)
+                    .addComponent(lblPermSize)
-                            .addGap(0, 0, Short.MAX_VALUE)))
+                    .addComponent(lblJavaArgs))
-                    .addContainerGap())
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
-                .addComponent(txtPrecalledCommand)
+                .addGroup(pnlAdvancedSettingsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                .addComponent(txtServerIP)
+                    .addComponent(txtJavaArgs, javax.swing.GroupLayout.DEFAULT_SIZE, 325, Short.MAX_VALUE)
-                .addGroup(pnlAdvancedSettingsLayout.createSequentialGroup()
+                    .addComponent(txtMinecraftArgs)
-                    .addGroup(pnlAdvancedSettingsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                    .addComponent(txtPermSize, javax.swing.GroupLayout.Alignment.TRAILING)))
-                        .addComponent(lblPrecalledCommand)
-                        .addComponent(lblServerIP))
-                    .addGap(0, 716, Short.MAX_VALUE))
-                .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, pnlAdvancedSettingsLayout.createSequentialGroup()
-                    .addGroup(pnlAdvancedSettingsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                        .addComponent(lblMinecraftArgs)
-                        .addComponent(lblPermSize)
-                        .addComponent(lblJavaArgs))
-                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
-                    .addGroup(pnlAdvancedSettingsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                        .addComponent(txtJavaArgs)
-                        .addComponent(txtMinecraftArgs)
-                        .addComponent(txtPermSize, javax.swing.GroupLayout.Alignment.TRAILING))))
             .addGroup(pnlAdvancedSettingsLayout.createSequentialGroup()
-                .addContainerGap()
+                .addGroup(pnlAdvancedSettingsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                .addComponent(chkNoJVMArgs)
+                    .addComponent(txtWrapperLauncher)
-                .addGap(0, 0, Short.MAX_VALUE))
+                    .addGroup(pnlAdvancedSettingsLayout.createSequentialGroup()
+                        .addComponent(lblPrecalledCommand1)
+                        .addGap(0, 0, Short.MAX_VALUE))
+                    .addGroup(pnlAdvancedSettingsLayout.createSequentialGroup()
+                        .addContainerGap()
+                        .addComponent(chkNoJVMArgs)
+                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
+                        .addComponent(chkDontCheckGame))
+                    .addGroup(pnlAdvancedSettingsLayout.createSequentialGroup()
+                        .addGroup(pnlAdvancedSettingsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                            .addComponent(lblPrecalledCommand)
+                            .addComponent(lblServerIP))
+                        .addGap(0, 0, Short.MAX_VALUE)))
+                .addContainerGap())
         );
         pnlAdvancedSettingsLayout.setVerticalGroup(
             pnlAdvancedSettingsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
@@ -634,8 +641,10 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
                 .addComponent(lblServerIP)
                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                 .addComponent(txtServerIP, javax.swing.GroupLayout.PREFERRED_SIZE, 26, javax.swing.GroupLayout.PREFERRED_SIZE)
-                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 168, Short.MAX_VALUE)
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 39, Short.MAX_VALUE)
-                .addComponent(chkNoJVMArgs)
+                .addGroup(pnlAdvancedSettingsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+                    .addComponent(chkNoJVMArgs)
+                    .addComponent(chkDontCheckGame))
                 .addContainerGap())
         );
 
@@ -679,13 +688,13 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
         pnlModManagementContentLayout.setHorizontalGroup(
             pnlModManagementContentLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(pnlModManagementContentLayout.createSequentialGroup()
-                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 889, Short.MAX_VALUE)
+                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 550, Short.MAX_VALUE)
                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                 .addGroup(pnlModManagementContentLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                     .addComponent(btnRemoveMod, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                     .addComponent(btnAddMod, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
             .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, pnlModManagementContentLayout.createSequentialGroup()
-                .addComponent(lblModInfo, javax.swing.GroupLayout.DEFAULT_SIZE, 985, Short.MAX_VALUE)
+                .addComponent(lblModInfo, javax.swing.GroupLayout.DEFAULT_SIZE, 646, Short.MAX_VALUE)
                 .addContainerGap())
         );
         pnlModManagementContentLayout.setVerticalGroup(
@@ -697,7 +706,7 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
                         .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                         .addComponent(btnRemoveMod)
                         .addGap(0, 0, Short.MAX_VALUE))
-                    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 428, Short.MAX_VALUE))
+                    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 299, Short.MAX_VALUE))
                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                 .addComponent(lblModInfo))
         );
@@ -914,7 +923,7 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
                 .addGroup(layout.createSequentialGroup()
                     .addContainerGap()
                     .addComponent(btnIncludeMinecraft)
-                    .addContainerGap(916, Short.MAX_VALUE)))
+                    .addContainerGap(577, Short.MAX_VALUE)))
         );
         layout.setVerticalGroup(
             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
@@ -930,7 +939,7 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
                 .addContainerGap())
             .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                 .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
-                    .addContainerGap(576, Short.MAX_VALUE)
+                    .addContainerGap(447, Short.MAX_VALUE)
                     .addComponent(btnIncludeMinecraft)
                     .addContainerGap()))
         );
@@ -1085,7 +1094,7 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
     }//GEN-LAST:event_btnMakeLaunchScriptActionPerformed
 
     private void btnIncludeMinecraftActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnIncludeMinecraftActionPerformed
-        JFileChooser fc = new JFileChooser(IOUtils.currentDir());
+        JFileChooser fc = new JFileChooser(new File("."));
         fc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
         if (fc.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
             File newGameDir = fc.getSelectedFile();
@@ -1160,6 +1169,11 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
         Settings.getLastProfile().getSelectedVersionSetting().setWrapper(txtWrapperLauncher.getText());
     }//GEN-LAST:event_txtWrapperLauncherFocusLost
 
+    private void chkDontCheckGameItemStateChanged(java.awt.event.ItemEvent evt) {//GEN-FIRST:event_chkDontCheckGameItemStateChanged
+        if (!isLoading)
+            Settings.getLastProfile().getSelectedVersionSetting().setNotCheckGame(chkDontCheckGame.isSelected());
+    }//GEN-LAST:event_chkDontCheckGameItemStateChanged
+
     // </editor-fold>
     // <editor-fold defaultstate="collapsed" desc="Load">
     void prepareVersionSetting(VersionSetting profile) {
@@ -1175,6 +1189,7 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
         txtPrecalledCommand.setText(profile.getPrecalledCommand());
         txtServerIP.setText(profile.getServerIp());
         chkNoJVMArgs.setSelected(profile.isNoJVMArgs());
+        chkDontCheckGame.setSelected(profile.isNotCheckGame());
         chkFullscreen.setSelected(profile.isFullscreen());
         cboLauncherVisibility.setSelectedIndex(profile.getLauncherVisibility().ordinal());
         cboRunDirectory.setSelectedIndex(profile.getGameDirType().ordinal());
@@ -1325,6 +1340,7 @@ public final class GameSettingsPanel extends AnimatedPanel implements DropTarget
     private javax.swing.JComboBox cboProfiles;
     private javax.swing.JComboBox cboRunDirectory;
     private javax.swing.JComboBox cboVersions;
+    private javax.swing.JCheckBox chkDontCheckGame;
     private javax.swing.JCheckBox chkFullscreen;
     private javax.swing.JCheckBox chkNoJVMArgs;
     private javax.swing.JScrollPane jScrollPane1;

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/InstallerPanel.java

@@ -25,9 +25,7 @@ import org.jackhuang.hellominecraft.launcher.setting.Settings;
 import org.jackhuang.hellominecraft.launcher.core.install.InstallerType;
 import org.jackhuang.hellominecraft.launcher.core.install.InstallerVersionList;
 import org.jackhuang.hellominecraft.util.tasks.TaskRunnable;
-import org.jackhuang.hellominecraft.util.tasks.TaskRunnableArg1;
 import org.jackhuang.hellominecraft.util.tasks.TaskWindow;
-import org.jackhuang.hellominecraft.util.tasks.communication.DefaultPreviousResult;
 import org.jackhuang.hellominecraft.util.MessageBox;
 import org.jackhuang.hellominecraft.util.StrUtils;
 import org.jackhuang.hellominecraft.util.ui.SwingUtils;
@@ -123,9 +121,7 @@ public class InstallerPanel extends AnimatedPanel {
     InstallerType id;
 
     void refreshVersions() {
-        if (TaskWindow.factory().append(new TaskRunnableArg1<>(C.i18n("install." + id.id + ".get_list"), list)
+        if (TaskWindow.execute(list.refresh(new String[] { gsp.getMinecraftVersionFormatted() })))
-            .registerPreviousResult(new DefaultPreviousResult<>(new String[] { gsp.getMinecraftVersionFormatted() })))
-            .create())
             loadVersions();
     }
 
@@ -139,7 +135,8 @@ public class InstallerPanel extends AnimatedPanel {
             MessageBox.Show(C.i18n("install.not_refreshed"));
             return;
         }
-        Settings.getLastProfile().service().install().download(Settings.getLastProfile().getSelectedVersion(), getVersion(idx), id).after(new TaskRunnable(this::refreshVersions)).run();
+        TaskWindow.execute(Settings.getLastProfile().service().install().download(Settings.getLastProfile().getSelectedVersion(), getVersion(idx), id),
+                           new TaskRunnable(this::refreshVersions));
     }
 
     public void loadVersions() {

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/LaunchingUIDaemon.java

@@ -109,7 +109,7 @@ public class LaunchingUIDaemon {
                 }
                 String msg = C.i18n("launch.exited_abnormally") + " exit code: " + t;
                 if (errorText != null)
-                    msg += ", advice: " + MinecraftCrashAdvicer.getAdvice(FileUtils.readFileToStringQuietly(new File(errorText)));
+                    msg += ", advice: " + MinecraftCrashAdvicer.getAdvice(FileUtils.readQuietly(new File(errorText)));
                 MessageBox.Show(msg);
                 WebFrame f = new WebFrame(logs);
                 f.setModal(true);

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/MainFrame.java

@@ -52,10 +52,10 @@ import org.jackhuang.hellominecraft.util.ui.GraphicsUtils;
 import org.jackhuang.hellominecraft.lookandfeel.Theme;
 import org.jackhuang.hellominecraft.util.MessageBox;
 import org.jackhuang.hellominecraft.util.StrUtils;
-import org.jackhuang.hellominecraft.util.Utils;
 import org.jackhuang.hellominecraft.util.ui.DropShadowBorder;
 import org.jackhuang.hellominecraft.util.ui.TintablePanel;
 import org.jackhuang.hellominecraft.util.ui.BasicColors;
+import org.jackhuang.hellominecraft.util.ui.SwingUtils;
 
 /**
  *
@@ -168,7 +168,7 @@ public final class MainFrame extends DraggableFrame {
 
         ImageIcon headerIcon = Main.getIcon("icon.png");
         this.setIconImage(headerIcon.getImage());
-        headerIcon = Utils.scaleImage(headerIcon, 16, 16);
+        headerIcon = SwingUtils.scaleImage(headerIcon, 16, 16);
         JLabel headerLabel = new JLabel(headerIcon);
         headerLabel.setBorder(BorderFactory.createEmptyBorder(0, 8, 0, 0));
         header.add(headerLabel);
@@ -214,7 +214,6 @@ public final class MainFrame extends DraggableFrame {
 
         windowTitle = new JLabel(defaultTitle);
         windowTitle.setForeground(BasicColors.COLOR_WHITE_TEXT);
-        windowTitle.addMouseListener(MouseListenerImpl.INSTANCE);
         header.add(windowTitle);
         header.add(Box.createHorizontalGlue());
         header.add(rightHeaderPanel);
@@ -318,7 +317,7 @@ public final class MainFrame extends DraggableFrame {
     ImageIcon background;
 
     public void loadBackground() {
-        background = Utils.searchBackgroundImage(Main.getIcon(Settings.getInstance().getTheme().settings.get("Customized.MainFrame.background_image")), Settings.getInstance().getBgpath(), 800, 480);
+        background = SwingUtils.searchBackgroundImage(Main.getIcon(Settings.getInstance().getTheme().settings.get("Customized.MainFrame.background_image")), Settings.getInstance().getBgpath(), 800, 480);
         if (background != null)
             if (backgroundLabel == null) {
                 backgroundLabel = new JLabel(background);
@@ -420,6 +419,7 @@ public final class MainFrame extends DraggableFrame {
 
     public void invokeUpdate() {
         defaultTitle = Main.makeTitle() + C.i18n("update.found");
+        windowTitle.addMouseListener(MouseListenerImpl.INSTANCE);
         if (!isShowedMessage) {
             windowTitle.setText(defaultTitle);
             windowTitle.setForeground(Color.red);

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/MainPagePanel.java

@@ -354,7 +354,7 @@ public class MainPagePanel extends AnimatedPanel {
         if (l.isLoggedIn())
             l.logOut();
         cl.first(pnlPassword);
-        pnlPassword.repaint();
+        SwingUtilities.invokeLater(this::repaint);
     }//GEN-LAST:event_btnLogoutActionPerformed
 
     private void txtPlayerNameKeyPressed(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_txtPlayerNameKeyPressed

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/util/HMCLMinecraftService.java

@@ -91,7 +91,7 @@ public class HMCLMinecraftService extends IMinecraftService {
         VersionSetting vs = null;
         File f = new File(provider.versionRoot(id), "hmclversion.cfg");
         if (f.exists()) {
-            String s = FileUtils.readFileToStringQuietly(f);
+            String s = FileUtils.readQuietly(f);
             if (s != null)
                 try {
                     vs = C.GSON.fromJson(s, VersionSetting.class);

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/util/upgrade/AppDataUpgrader.java

@@ -81,7 +81,7 @@ public class AppDataUpgrader extends IUpgrader {
             try {
                 File f = AppDataUpgraderTask.HMCL_VER_FILE;
                 if (f.exists()) {
-                    Map<String, String> m = C.GSON.fromJson(FileUtils.readFileToString(f), Map.class);
+                    Map<String, String> m = C.GSON.fromJson(FileUtils.read(f), Map.class);
                     String s = m.get("ver");
                     if (s != null && VersionNumber.check(s).compareTo(nowVersion) > 0) {
                         String j = m.get("loc");
@@ -179,7 +179,7 @@ public class AppDataUpgrader extends IUpgrader {
             json.put("ver", newestVersion);
             json.put("loc", f.getAbsolutePath());
             String result = C.GSON.toJson(json);
-            FileUtils.writeStringToFile(HMCL_VER_FILE, result);
+            FileUtils.write(HMCL_VER_FILE, result);
         }
 
         @Override

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/StrUtils.java

@@ -184,7 +184,7 @@ public final class StrUtils {
         return sb.toString();
     }
 
-    public static boolean isEquals(String base, String to) {
+    public static boolean equals(String base, String to) {
         if (base == null)
             return (to == null);
         else
@@ -240,4 +240,14 @@ public final class StrUtils {
         t.printStackTrace(writer);
         return trace.toString();
     }
+
+    public static List<Integer> findAllPos(String t, String p) {
+        ArrayList<Integer> ret = new ArrayList<>();
+        int i = 0, index;
+        while ((index = t.indexOf(p, i)) != -1) {
+            ret.add(index);
+            i = index + p.length();
+        }
+        return ret;
+    }
 }

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/Utils.java

@@ -19,19 +19,13 @@ package org.jackhuang.hellominecraft.util;
 
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
 import com.sun.management.OperatingSystemMXBean;
-import java.awt.Image;
 import java.awt.Toolkit;
 import java.awt.datatransfer.StringSelection;
-import java.io.File;
-import java.io.UnsupportedEncodingException;
 import java.lang.management.ManagementFactory;
 import java.lang.reflect.Method;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLClassLoader;
-import java.net.URLDecoder;
-import java.util.Random;
-import javax.swing.ImageIcon;
 
 /**
  * @author huangyuhui
@@ -52,18 +46,6 @@ public final class Utils {
         return ((URLClassLoader) Utils.class.getClassLoader()).getURLs();
     }
 
-    public static String[] getURLString() {
-        URL[] urls = ((URLClassLoader) Utils.class.getClassLoader()).getURLs();
-        String[] urlStrings = new String[urls.length];
-        for (int i = 0; i < urlStrings.length; i++)
-            try {
-                urlStrings[i] = URLDecoder.decode(urls[i].getPath(), "UTF-8");
-            } catch (UnsupportedEncodingException ex) {
-                HMCLog.warn("Unsupported UTF-8 encoding", ex);
-            }
-        return urlStrings;
-    }
-
     public static int getSuggestedMemorySize() {
         try {
             OperatingSystemMXBean osmb = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
@@ -80,65 +62,6 @@ public final class Utils {
         Toolkit.getDefaultToolkit().getSystemClipboard().setContents(new StringSelection(text), null);
     }
 
-    public static ImageIcon scaleImage(ImageIcon i, int x, int y) {
-        return new ImageIcon(i.getImage().getScaledInstance(x, y, Image.SCALE_SMOOTH));
-    }
-
-    public static ImageIcon searchBackgroundImage(ImageIcon init, String bgpath, int width, int height) {
-        Random r = new Random();
-        boolean loaded = false;
-        ImageIcon background = init;
-
-        // bgpath
-        if (StrUtils.isNotBlank(bgpath) && !loaded) {
-            String[] backgroundPath = bgpath.split(";");
-            if (backgroundPath.length > 0) {
-                int index = r.nextInt(backgroundPath.length);
-                background = new ImageIcon(Toolkit.getDefaultToolkit().getImage(backgroundPath[index]).getScaledInstance(width, height, Image.SCALE_DEFAULT));
-                HMCLog.log("Prepared background image in bgpath.");
-                loaded = true;
-            }
-        }
-
-        // bgskin
-        if (!loaded) {
-            File backgroundImageFile = new File("bg");
-            if (backgroundImageFile.exists() && backgroundImageFile.isDirectory()) {
-                String[] backgroundPath = backgroundImageFile.list();
-                if (backgroundPath.length > 0) {
-                    int index = r.nextInt(backgroundPath.length);
-                    background = new ImageIcon(Toolkit.getDefaultToolkit().getImage("bg" + File.separator + backgroundPath[index]).getScaledInstance(width, height, Image.SCALE_DEFAULT));
-                    HMCLog.log("Prepared background image in bgskin folder.");
-                    loaded = true;
-                }
-            }
-        }
-
-        // background.png
-        if (!loaded) {
-            File backgroundImageFile = new File("background.png");
-            if (backgroundImageFile.exists()) {
-                loaded = true;
-                background = new ImageIcon(Toolkit.getDefaultToolkit().getImage(backgroundImageFile.getAbsolutePath()).getScaledInstance(width, height, Image.SCALE_DEFAULT));
-                HMCLog.log("Prepared background image in background.png.");
-            }
-        }
-
-        // background.jpg
-        if (!loaded) {
-            File backgroundImageFile = new File("background.jpg");
-            if (backgroundImageFile.exists()) {
-                //loaded = true;
-                background = new ImageIcon(Toolkit.getDefaultToolkit().getImage(backgroundImageFile.getAbsolutePath()).getScaledInstance(width, height, Image.SCALE_DEFAULT));
-                HMCLog.log("Prepared background image in background.jpg.");
-            }
-        }
-
-        if (background == null)
-            return init;
-        return background;
-    }
-
     /**
      * In order to fight against the permission manager by Minecraft Forge.
      *

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/system/FileUtils.java

@@ -24,7 +24,8 @@ import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
-import java.nio.channels.FileChannel;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
 import java.util.ArrayList;
 import java.util.List;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
@@ -134,20 +135,10 @@ public class FileUtils {
 
     public static void copyDirectory(File srcDir, File destDir)
         throws IOException {
-        copyDirectory(srcDir, destDir, true);
+        copyDirectory(srcDir, destDir, null);
-    }
-
-    public static void copyDirectory(File srcDir, File destDir, boolean preserveFileDate)
-        throws IOException {
-        copyDirectory(srcDir, destDir, null, preserveFileDate);
     }
 
     public static void copyDirectory(File srcDir, File destDir, FileFilter filter)
-        throws IOException {
-        copyDirectory(srcDir, destDir, filter, true);
-    }
-
-    public static void copyDirectory(File srcDir, File destDir, FileFilter filter, boolean preserveFileDate)
         throws IOException {
         if (srcDir == null)
             throw new NullPointerException("Source must not be null");
@@ -171,10 +162,10 @@ public class FileUtils {
                 }
             }
         }
-        doCopyDirectory(srcDir, destDir, filter, preserveFileDate, exclusionList);
+        doCopyDirectory(srcDir, destDir, filter, exclusionList);
     }
 
-    private static void doCopyDirectory(File srcDir, File destDir, FileFilter filter, boolean preserveFileDate, List<String> exclusionList)
+    private static void doCopyDirectory(File srcDir, File destDir, FileFilter filter, List<String> exclusionList)
         throws IOException {
         File[] srcFiles = filter == null ? srcDir.listFiles() : srcDir.listFiles(filter);
         if (srcFiles == null)
@@ -191,22 +182,19 @@ public class FileUtils {
             File dstFile = new File(destDir, srcFile.getName());
             if ((exclusionList == null) || (!exclusionList.contains(srcFile.getCanonicalPath())))
                 if (srcFile.isDirectory())
-                    doCopyDirectory(srcFile, dstFile, filter, preserveFileDate, exclusionList);
+                    doCopyDirectory(srcFile, dstFile, filter, exclusionList);
                 else
-                    doCopyFile(srcFile, dstFile, preserveFileDate);
+                    doCopyFile(srcFile, dstFile);
-
         }
-
+        destDir.setLastModified(srcDir.lastModified());
-        if (preserveFileDate)
-            destDir.setLastModified(srcDir.lastModified());
     }
 
-    public static String readFileToString(File file)
+    public static String read(File file)
         throws IOException {
         return NetUtils.getStreamContent(IOUtils.openInputStream(file));
     }
 
-    public static String readFileToStringQuietly(File file) {
+    public static String readQuietly(File file) {
         try {
             return NetUtils.getStreamContent(IOUtils.openInputStream(file));
         } catch (IOException ex) {
@@ -215,12 +203,12 @@ public class FileUtils {
         }
     }
 
-    public static String readFileToString(File file, String charset)
+    public static String read(File file, String charset)
         throws IOException {
         return NetUtils.getStreamContent(IOUtils.openInputStream(file), charset);
     }
 
-    public static String readFileToStringIgnoreFileNotFound(File file) throws IOException {
+    public static String readIgnoreFileNotFound(File file) throws IOException {
         try {
             return NetUtils.getStreamContent(IOUtils.openInputStream(file));
         } catch (FileNotFoundException ex) {
@@ -237,11 +225,6 @@ public class FileUtils {
     }
 
     public static void copyFile(File srcFile, File destFile)
-        throws IOException {
-        copyFile(srcFile, destFile, true);
-    }
-
-    public static void copyFile(File srcFile, File destFile, boolean preserveFileDate)
         throws IOException {
         if (srcFile == null)
             throw new NullPointerException("Source must not be null");
@@ -260,42 +243,12 @@ public class FileUtils {
 
         if ((destFile.exists()) && (!destFile.canWrite()))
             throw new IOException("Destination '" + destFile + "' exists but is read-only");
-        doCopyFile(srcFile, destFile, preserveFileDate);
+        doCopyFile(srcFile, destFile);
     }
 
-    private static void doCopyFile(File srcFile, File destFile, boolean preserveFileDate)
+    public static void doCopyFile(File srcFile, File destFile)
         throws IOException {
-        if ((destFile.exists()) && (destFile.isDirectory()))
+        Files.copy(srcFile.toPath(), destFile.toPath(), StandardCopyOption.COPY_ATTRIBUTES, StandardCopyOption.REPLACE_EXISTING);
-            throw new IOException("Destination '" + destFile + "' exists but is a directory");
-
-        FileInputStream fis = null;
-        FileOutputStream fos = null;
-        FileChannel input = null;
-        FileChannel output = null;
-        try {
-            fis = new FileInputStream(srcFile);
-            fos = new FileOutputStream(destFile);
-            input = fis.getChannel();
-            output = fos.getChannel();
-            long size = input.size();
-            long pos = 0L;
-            long count;
-            while (pos < size) {
-                count = size - pos > 31457280L ? 31457280L : size - pos;
-                pos += output.transferFrom(input, pos, count);
-            }
-        } finally {
-            IOUtils.closeQuietly(output);
-            IOUtils.closeQuietly(fos);
-            IOUtils.closeQuietly(input);
-            IOUtils.closeQuietly(fis);
-        }
-
-        if (srcFile.length() != destFile.length())
-            throw new IOException("Failed to copy full contents from '" + srcFile + "' to '" + destFile + "'");
-
-        if (preserveFileDate)
-            destFile.setLastModified(srcFile.lastModified());
     }
 
     public static int indexOfLastSeparator(String filename) {
@@ -350,9 +303,9 @@ public class FileUtils {
         return filename.substring(0, index);
     }
 
-    public static boolean writeQuietly(File file, CharSequence data) {
+    public static boolean writeQuietly(File file, String data) {
         try {
-            write(file, data);
+            FileUtils.write(file, data);
             return true;
         } catch (IOException e) {
             HMCLog.warn("Failed to write data to file: " + file, e);
@@ -360,38 +313,17 @@ public class FileUtils {
         }
     }
 
-    public static void write(File file, CharSequence data)
+    public static void write(File file, String data)
         throws IOException {
         write(file, data, "UTF-8", false);
     }
 
-    public static void write(File file, CharSequence data, boolean append)
+    public static void write(File file, String data, String encoding)
-        throws IOException {
-        write(file, data, "UTF-8", append);
-    }
-
-    public static void write(File file, CharSequence data, String encoding)
         throws IOException {
         write(file, data, encoding, false);
     }
 
-    public static void write(File file, CharSequence data, String encoding, boolean append)
+    public static void write(File file, String data, String encoding, boolean append)
-        throws IOException {
-        String str = data == null ? null : data.toString();
-        writeStringToFile(file, str, encoding, append);
-    }
-
-    public static void writeStringToFile(File file, String data)
-        throws IOException {
-        writeStringToFile(file, data, "UTF-8", false);
-    }
-
-    public static void writeStringToFile(File file, String data, String encoding)
-        throws IOException {
-        writeStringToFile(file, data, encoding, false);
-    }
-
-    public static void writeStringToFile(File file, String data, String encoding, boolean append)
         throws IOException {
         OutputStream out = null;
         try {

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/system/IOUtils.java

@@ -27,8 +27,6 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
-import java.io.Reader;
-import java.io.Writer;
 import java.net.InetAddress;
 import java.net.MalformedURLException;
 import java.net.NetworkInterface;
@@ -37,6 +35,7 @@ import java.net.URL;
 import java.net.UnknownHostException;
 import java.util.ArrayList;
 import java.util.List;
+import org.jackhuang.hellominecraft.util.func.Consumer;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
 
 /**
@@ -54,6 +53,15 @@ public class IOUtils {
             return path + File.separatorChar;
     }
 
+    public static String addURLSeparator(String path) {
+        if (path == null || path.trim().length() == 0)
+            return "";
+        if (path.charAt(path.length() - 1) == '/')
+            return path;
+        else
+            return path + '/';
+    }
+
     public static boolean isSeparator(char ch) {
         return ch == File.separatorChar || ch == '/' || ch == '\\';
     }
@@ -76,40 +84,24 @@ public class IOUtils {
         return t.substring(i + 1, (t.length() - i) + (i + 1) - 1);
     }
 
-    public static ArrayList<String> findAllFile(File f) {
+    public static void findAllFile(File f, Consumer<String> callback) {
-        ArrayList<String> arr = new ArrayList<>();
         if (f.isDirectory()) {
             File[] f1 = f.listFiles();
             int len = f1.length;
             for (int i = 0; i < len; i++)
                 if (f1[i].isFile())
-                    arr.add(f1[i].getName());
+                    callback.accept(f1[i].getName());
         }
-        return arr;
     }
 
-    public static ArrayList<String> findAllFileWithFullName(File f) {
+    public static void findAllDir(File f, Consumer<String> callback) {
-        ArrayList<String> arr = new ArrayList<>();
-        if (f.isDirectory()) {
-            File[] f1 = f.listFiles();
-            int len = f1.length;
-            for (int i = 0; i < len; i++)
-                if (f1[i].isFile())
-                    arr.add(addSeparator(f.getAbsolutePath()) + f1[i].getName());
-        }
-        return arr;
-    }
-
-    public static ArrayList<String> findAllDir(File f) {
-        ArrayList<String> arr = new ArrayList<>();
         if (f.isDirectory()) {
             File[] f1 = f.listFiles();
             int len = f1.length;
             for (int i = 0; i < len; i++)
                 if (f1[i].isDirectory())
-                    arr.add(f1[i].getName());
+                    callback.accept(f1[i].getName());
         }
-        return arr;
     }
 
     public static String getRealPath() {
@@ -130,14 +122,6 @@ public class IOUtils {
         return path.startsWith("/") || path.indexOf(":") > 0;
     }
 
-    public static File currentDir() {
-        return new File(".");
-    }
-
-    public static String currentDirWithSeparator() {
-        return addSeparator(currentDir().getAbsolutePath());
-    }
-
     public static String getLocalMAC() {
         InetAddress addr;
         try {
@@ -212,22 +196,6 @@ public class IOUtils {
         return entryBuffer;
     }
 
-    public static void closeQuietly(Reader input) {
-        closeQuietly((Closeable) input);
-    }
-
-    public static void closeQuietly(Writer output) {
-        closeQuietly((Closeable) output);
-    }
-
-    public static void closeQuietly(InputStream input) {
-        closeQuietly((Closeable) input);
-    }
-
-    public static void closeQuietly(OutputStream output) {
-        closeQuietly((Closeable) output);
-    }
-
     public static void closeQuietly(Closeable closeable) {
         try {
             if (closeable != null)

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/system/OS.java

@@ -109,7 +109,7 @@ public enum OS {
     }
 
     public static String getLinuxReleaseVersion() throws IOException {
-        return FileUtils.readFileToString(new File("/etc/issue"));
+        return FileUtils.read(new File("/etc/issue"));
     }
 
     public static String getSystemVersion() {

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/system/ZipEngine.java

@@ -25,6 +25,7 @@ import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.HashSet;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 import org.jackhuang.hellominecraft.util.func.BiFunction;
@@ -88,6 +89,8 @@ public class ZipEngine {
             files = new File[1];
             files[0] = source;
         }
+        if (files == null)
+            return;
         String pathName;//存相对路径(相对于待压缩的根目录)
         for (File file : files)
             if (file.isDirectory()) {
@@ -98,7 +101,7 @@ public class ZipEngine {
                     pathName = pathNameCallback.apply(pathName, true);
                 if (pathName == null)
                     continue;
-                zos.putNextEntry(new ZipEntry(pathName));
+                put(new ZipEntry(pathName));
                 putDirectoryImpl(file, basePath, pathNameCallback);
             } else {
                 if (".DS_Store".equals(file.getName())) // For Mac computers.
@@ -120,7 +123,7 @@ public class ZipEngine {
     public void putStream(InputStream is, String pathName) throws IOException {
         int length;
         try (BufferedInputStream bis = new BufferedInputStream(is)) {
-            zos.putNextEntry(new ZipEntry(pathName));
+            put(new ZipEntry(pathName));
             while ((length = bis.read(buf)) > 0)
                 zos.write(buf, 0, length);
         }
@@ -134,4 +137,11 @@ public class ZipEngine {
         putStream(new ByteArrayInputStream(text.getBytes(encoding)), pathName);
     }
 
+    protected HashSet<String> names = new HashSet<>();
+
+    public void put(ZipEntry entry) throws IOException {
+        if (names.add(entry.getName()))
+            zos.putNextEntry(entry);
+    }
+
 }

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/tasks/DeleteFileTask.java

@@ -0,0 +1,44 @@
+/*
+ * 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.hellominecraft.util.tasks;
+
+import java.io.File;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public class DeleteFileTask extends Task {
+
+    File f;
+
+    public DeleteFileTask(File f) {
+        this.f = f;
+    }
+
+    @Override
+    public void executeTask() throws Throwable {
+        f.delete();
+    }
+
+    @Override
+    public String getInfo() {
+        return "Delete: " + f.getAbsolutePath();
+    }
+
+}

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/tasks/DoubleTask.java

@@ -17,28 +17,39 @@
  */
 package org.jackhuang.hellominecraft.util.tasks;
 
+import java.util.Arrays;
+import java.util.Collection;
+
 /**
  *
  * @author huangyuhui
  */
-public class DoubleTask extends Task {
+public class DoubleTask extends TaskInfo {
 
     Task a, b;
 
     public DoubleTask(Task a, Task b) {
+        this(a, b, "Double Task");
+    }
+
+    public DoubleTask(Task a, Task b, String info) {
+        super(info);
         this.a = a;
         this.b = b;
     }
 
     @Override
-    public void executeTask() throws Throwable {
+    public Collection<Task> getDependTasks() {
-        a.executeTask();
+        return Arrays.asList(a);
-        b.executeTask();
     }
 
     @Override
-    public String getInfo() {
+    public Collection<Task> getAfterTasks() {
-        return "Double Task";
+        return Arrays.asList(b);
+    }
+
+    @Override
+    public void executeTask() throws Throwable {
     }
 
 }

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/tasks/TaskList.java

@@ -101,6 +101,8 @@ public class TaskList extends Thread {
         AtomicBoolean bool = new AtomicBoolean(true);
         CountDownLatch counter = new CountDownLatch(c.size());
         for (Task t2 : c) {
+            if (t2 == null)
+                continue;
             t2.setParallelExecuting(true);
             Invoker thread = new Invoker(t2, counter, bool);
             invokers.add(thread);

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/tasks/TaskRunnableArg1.java

@@ -1,54 +0,0 @@
-/*
- * Hello Minecraft!.
- * 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.hellominecraft.util.tasks;
-
-import java.util.ArrayList;
-import org.jackhuang.hellominecraft.util.tasks.communication.PreviousResult;
-import org.jackhuang.hellominecraft.util.tasks.communication.PreviousResultRegistrar;
-import org.jackhuang.hellominecraft.util.func.Consumer;
-
-/**
- *
- * @author huangyuhui
- * @param <T> Runnable&lt;T&gt;
- */
-public class TaskRunnableArg1<T> extends TaskInfo implements PreviousResultRegistrar<T> {
-
-    private final Consumer<T> r;
-
-    public TaskRunnableArg1(String info, Consumer<T> r) {
-        super(info);
-        this.r = r;
-    }
-
-    @Override
-    public void executeTask() throws Exception {
-        if (al.size() != 1)
-            throw new IllegalStateException("the count of args is not one.");
-        r.accept(al.get(0).getResult());
-    }
-
-    ArrayList<PreviousResult<T>> al = new ArrayList();
-
-    @Override
-    public Task registerPreviousResult(PreviousResult<T> pr) {
-        al.add(pr);
-        return this;
-    }
-
-}

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/tasks/TaskWindow.java

@@ -216,8 +216,8 @@ public class TaskWindow extends javax.swing.JDialog
             if (idx == -1)
                 return;
             int pgs = progress * 100 / max;
-            if (progresses.contains(idx) && progresses.get(idx) != pgs && lstDownload.getRowCount() > idx) {
+            if (progresses.size() > idx && progresses.get(idx) != pgs && lstDownload.getRowCount() > idx) {
-                SwingUtils.setValueAt(lstDownload, pgs + "%", idx, 1);
+                SwingUtils.setValueAt(lstDownload, pgs < 0 ? "???" : pgs + "%", idx, 1);
                 progresses.set(idx, pgs);
             }
         });
@@ -242,7 +242,7 @@ public class TaskWindow extends javax.swing.JDialog
             if (taskList == null)
                 return;
             tasks.add(task);
-            progresses.add(0);
+            progresses.add(-1);
             SwingUtils.appendLast(lstDownload, task.getInfo(), "0%");
             SwingUtils.moveEnd(srlDownload);
         });

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/tasks/download/FileDownloadTask.java

@@ -130,6 +130,8 @@ public class FileDownloadTask extends Task implements PreviousResult<File>, Prev
             if (!shouldContinue)
                 break;
             try {
+                if (ppl != null)
+                    ppl.setProgress(this, -1, 1);
 
                 // Open connection to URL.
                 HttpURLConnection connection

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/tasks/download/HTTPGetTask.java

@@ -57,15 +57,22 @@ public class HTTPGetTask extends TaskInfo implements PreviousResult<String> {
             if (repeat > 0)
                 HMCLog.warn("Failed to download, repeat: " + repeat);
             try {
+                if (ppl != null)
+                    ppl.setProgress(this, -1, 1);
                 URLConnection conn = new URL(url).openConnection();
                 InputStream is = conn.getInputStream();
                 ByteArrayOutputStream baos = new ByteArrayOutputStream();
                 int i;
                 int size = conn.getContentLength(), read = 0;
+                long lastTime = System.currentTimeMillis();
                 while ((i = is.read()) != -1) {
                     baos.write(i);
-                    if (ppl != null)
+                    ++read;
-                        ppl.setProgress(this, ++read, size);
+                    long now = System.currentTimeMillis();
+                    if (ppl != null && (now - lastTime) >= 1000) {
+                        ppl.setProgress(this, read, size);
+                        lastTime = now;
+                    }
                     if (!shouldContinue)
                         return;
                 }

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/ui/LogWindow.java

@@ -17,8 +17,6 @@
  */
 package org.jackhuang.hellominecraft.util.ui;
 
-import java.awt.Frame;
-import javax.swing.text.BadLocationException;
 import javax.swing.text.Document;
 import javax.swing.text.SimpleAttributeSet;
 import javax.swing.text.StyleConstants;
@@ -28,7 +26,6 @@ import org.jackhuang.hellominecraft.util.logging.Level;
 import org.jackhuang.hellominecraft.util.func.NonFunction;
 import org.jackhuang.hellominecraft.util.DoubleOutputStream;
 import org.jackhuang.hellominecraft.util.LauncherPrintStream;
-import org.jackhuang.hellominecraft.util.MessageBox;
 import org.jackhuang.hellominecraft.util.Utils;
 
 /**
@@ -254,7 +251,7 @@ public class LogWindow extends javax.swing.JFrame {
         StyleConstants.setForeground(sas, c.COLOR);
         try {
             d.insertString(d.getLength(), status, sas);
-        } catch (BadLocationException ex) {
+        } catch (Exception ex) {
             HMCLog.err("Failed to insert \"" + status + "\" to " + d.getLength(), ex);
         }
 

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/ui/SwingUtils.java

@@ -20,7 +20,8 @@ package org.jackhuang.hellominecraft.util.ui;
 import java.awt.Component;
 import java.awt.EventQueue;
 import java.awt.FontMetrics;
-import java.awt.Frame;
+import java.awt.Image;
+import java.awt.Toolkit;
 import java.awt.Window;
 import java.io.File;
 import java.io.IOException;
@@ -28,7 +29,9 @@ import java.net.URI;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Random;
 import javax.swing.DefaultListModel;
+import javax.swing.ImageIcon;
 import javax.swing.JComboBox;
 import javax.swing.JComponent;
 import javax.swing.JLabel;
@@ -302,4 +305,63 @@ public class SwingUtils {
         else
             thisFrame.dispose();
     }
+
+    public static ImageIcon scaleImage(ImageIcon i, int x, int y) {
+        return new ImageIcon(i.getImage().getScaledInstance(x, y, Image.SCALE_SMOOTH));
+    }
+
+    public static ImageIcon searchBackgroundImage(ImageIcon init, String bgpath, int width, int height) {
+        Random r = new Random();
+        boolean loaded = false;
+        ImageIcon background = init;
+
+        // bgpath
+        if (StrUtils.isNotBlank(bgpath) && !loaded) {
+            String[] backgroundPath = bgpath.split(";");
+            if (backgroundPath.length > 0) {
+                int index = r.nextInt(backgroundPath.length);
+                background = new ImageIcon(Toolkit.getDefaultToolkit().getImage(backgroundPath[index]).getScaledInstance(width, height, Image.SCALE_DEFAULT));
+                HMCLog.log("Prepared background image in bgpath.");
+                loaded = true;
+            }
+        }
+
+        // bgskin
+        if (!loaded) {
+            File backgroundImageFile = new File("bg");
+            if (backgroundImageFile.exists() && backgroundImageFile.isDirectory()) {
+                String[] backgroundPath = backgroundImageFile.list();
+                if (backgroundPath.length > 0) {
+                    int index = r.nextInt(backgroundPath.length);
+                    background = new ImageIcon(Toolkit.getDefaultToolkit().getImage("bg" + File.separator + backgroundPath[index]).getScaledInstance(width, height, Image.SCALE_DEFAULT));
+                    HMCLog.log("Prepared background image in bgskin folder.");
+                    loaded = true;
+                }
+            }
+        }
+
+        // background.png
+        if (!loaded) {
+            File backgroundImageFile = new File("background.png");
+            if (backgroundImageFile.exists()) {
+                loaded = true;
+                background = new ImageIcon(Toolkit.getDefaultToolkit().getImage(backgroundImageFile.getAbsolutePath()).getScaledInstance(width, height, Image.SCALE_DEFAULT));
+                HMCLog.log("Prepared background image in background.png.");
+            }
+        }
+
+        // background.jpg
+        if (!loaded) {
+            File backgroundImageFile = new File("background.jpg");
+            if (backgroundImageFile.exists()) {
+                //loaded = true;
+                background = new ImageIcon(Toolkit.getDefaultToolkit().getImage(backgroundImageFile.getAbsolutePath()).getScaledInstance(width, height, Image.SCALE_DEFAULT));
+                HMCLog.log("Prepared background image in background.jpg.");
+            }
+        }
+
+        if (background == null)
+            return init;
+        return background;
+    }
 }

HMCLAPI/src/main/resources/org/jackhuang/hellominecraft/lang/I18N.lang

@@ -289,6 +289,7 @@ advancedsettings.wrapper_launcher=前置指令(不必填写,如optirun)
 advancedsettings.precall_command=启动前执行命令(不必填写，将在游戏启动前调用)
 advancedsettings.server_ip=直入服务器ip地址(不必填写，启动游戏后直接进入对应服务器)
 advancedsettings.cancel_wrapper_launcher=取消包裹启动器（出现奇怪问题时可尝试使用,与调试模式冲突）
+advancedsettings.dont_check_game_completeness=不检查游戏完整性
 
 mainwindow.show_log=查看日志
 mainwindow.make_launch_script=生成启动脚本

HMCLAPI/src/main/resources/org/jackhuang/hellominecraft/lang/I18N.properties

@@ -289,6 +289,7 @@ advancedsettings.wrapper_launcher=\u524d\u7f6e\u6307\u4ee4(\u4e0d\u5fc5\u586b\u5
 advancedsettings.precall_command=\u542f\u52a8\u524d\u6267\u884c\u547d\u4ee4(\u4e0d\u5fc5\u586b\u5199\uff0c\u5c06\u5728\u6e38\u620f\u542f\u52a8\u524d\u8c03\u7528)
 advancedsettings.server_ip=\u76f4\u5165\u670d\u52a1\u5668ip\u5730\u5740(\u4e0d\u5fc5\u586b\u5199\uff0c\u542f\u52a8\u6e38\u620f\u540e\u76f4\u63a5\u8fdb\u5165\u5bf9\u5e94\u670d\u52a1\u5668)
 advancedsettings.cancel_wrapper_launcher=\u53d6\u6d88\u5305\u88f9\u542f\u52a8\u5668\uff08\u51fa\u73b0\u5947\u602a\u95ee\u9898\u65f6\u53ef\u5c1d\u8bd5\u4f7f\u7528,\u4e0e\u8c03\u8bd5\u6a21\u5f0f\u51b2\u7a81\uff09
+advancedsettings.dont_check_game_completeness=\u4e0d\u68c0\u67e5\u6e38\u620f\u5b8c\u6574\u6027
 
 mainwindow.show_log=\u67e5\u770b\u65e5\u5fd7
 mainwindow.make_launch_script=\u751f\u6210\u542f\u52a8\u811a\u672c

HMCLAPI/src/main/resources/org/jackhuang/hellominecraft/lang/I18N_en.lang

@@ -289,6 +289,7 @@ advancedsettings.wrapper_launcher=Wrapper Launcher(like optirun...)
 advancedsettings.precall_command=Precalling command(will be executed before game launching)
 advancedsettings.server_ip=Server Host
 advancedsettings.cancel_wrapper_launcher=Cancel Wrapper Launcher
+advancedsettings.dont_check_game_completeness=Dont check game completeness
 
 mainwindow.show_log=Show Logs
 mainwindow.make_launch_script=Make Launching Script.

HMCLAPI/src/main/resources/org/jackhuang/hellominecraft/lang/I18N_en.properties

@@ -289,6 +289,7 @@ advancedsettings.wrapper_launcher=Wrapper Launcher(like optirun...)
 advancedsettings.precall_command=Precalling command(will be executed before game launching)
 advancedsettings.server_ip=Server Host
 advancedsettings.cancel_wrapper_launcher=Cancel Wrapper Launcher
+advancedsettings.dont_check_game_completeness=Dont check game completeness
 
 mainwindow.show_log=Show Logs
 mainwindow.make_launch_script=Make Launching Script.

HMCLAPI/src/main/resources/org/jackhuang/hellominecraft/lang/I18N_zh_TW.lang

@@ -289,6 +289,7 @@ advancedsettings.wrapper_launcher=前置指令(不必填寫,如optirun)
 advancedsettings.precall_command=啟動前執行命令(不必填寫,將在遊戲啟動前調用)
 advancedsettings.server_ip=直入伺服器ip地址(不必填寫，啟動遊戲後直接進入對應伺服器)
 advancedsettings.cancel_wrapper_launcher=取消包裹啟動器(出現奇怪問題時可嘗試使用,與調試模式衝突)
+advancedsettings.dont_check_game_completeness=不檢查遊戲完整性
 
 mainwindow.show_log=查看日誌
 mainwindow.make_launch_script=生成啟動腳本

HMCLAPI/src/main/resources/org/jackhuang/hellominecraft/lang/I18N_zh_TW.properties

@@ -289,6 +289,7 @@ advancedsettings.wrapper_launcher=\u524d\u7f6e\u6307\u4ee4(\u4e0d\u5fc5\u586b\u5
 advancedsettings.precall_command=\u555f\u52d5\u524d\u57f7\u884c\u547d\u4ee4(\u4e0d\u5fc5\u586b\u5beb,\u5c07\u5728\u904a\u6232\u555f\u52d5\u524d\u8abf\u7528)
 advancedsettings.server_ip=\u76f4\u5165\u4f3a\u670d\u5668ip\u5730\u5740(\u4e0d\u5fc5\u586b\u5beb\uff0c\u555f\u52d5\u904a\u6232\u5f8c\u76f4\u63a5\u9032\u5165\u5c0d\u61c9\u4f3a\u670d\u5668)
 advancedsettings.cancel_wrapper_launcher=\u53d6\u6d88\u5305\u88f9\u555f\u52d5\u5668(\u51fa\u73fe\u5947\u602a\u554f\u984c\u6642\u53ef\u5617\u8a66\u4f7f\u7528,\u8207\u8abf\u8a66\u6a21\u5f0f\u885d\u7a81)
+advancedsettings.dont_check_game_completeness=\u4e0d\u6aa2\u67e5\u904a\u6232\u5b8c\u6574\u6027
 
 mainwindow.show_log=\u67e5\u770b\u65e5\u8a8c
 mainwindow.make_launch_script=\u751f\u6210\u555f\u52d5\u8173\u672c

HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/server/BackupManager.java

@@ -20,12 +20,12 @@ package org.jackhuang.hellominecraft.svrmgr.server;
 import java.io.File;
 import java.io.IOException;
 import java.text.SimpleDateFormat;
-import java.util.ArrayList;
 import java.util.Date;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
 import org.jackhuang.hellominecraft.util.system.Compressor;
 import org.jackhuang.hellominecraft.svrmgr.setting.SettingsManager;
 import org.jackhuang.hellominecraft.svrmgr.util.Utilities;
+import org.jackhuang.hellominecraft.util.func.Consumer;
 import org.jackhuang.hellominecraft.util.system.FileUtils;
 import org.jackhuang.hellominecraft.util.system.IOUtils;
 
@@ -39,9 +39,8 @@ public class BackupManager {
         return Utilities.getGameDir() + "backups-HMCSM" + File.separator;
     }
 
-    public static ArrayList<String> getBackupList() {
+    public static void getBackupList(Consumer<String> c) {
-        String gameDir = backupDir();
+        IOUtils.findAllFile(new File(backupDir()), c);
-        return IOUtils.findAllFile(new File(gameDir));
     }
 
     public static void addWorldBackup(final String folder) {
@@ -61,17 +60,15 @@ public class BackupManager {
         t.start();
     }
 
-    public static ArrayList<String> findAllWorlds() {
+    public static void findAllWorlds(Consumer<String> callback) {
         String gameDir = Utilities.getGameDir();
-        ArrayList<String> folders = IOUtils.findAllDir(new File(gameDir));
+        IOUtils.findAllDir(new File(gameDir), folder -> {
-        ArrayList<String> result = new ArrayList<>();
+                           String worldPath = gameDir + folder + File.separator;
-        for (String folder : folders) {
+                           IOUtils.findAllFile(new File(worldPath), f -> {
-            String worldPath = gameDir + folder + File.separator;
+                                               if ("level.dat".equals(f))
-            ArrayList<String> files = IOUtils.findAllFile(new File(worldPath));
+                                                   callback.accept(folder);
-            if (files.contains("level.dat"))
+                                           });
-                result.add(folder);
+                       });
-        }
-        return result;
     }
 
     public static void restoreBackup(File backupFile) {
@@ -89,10 +86,10 @@ public class BackupManager {
     }
 
     public static void backupAllWorlds() {
-        ArrayList<String> al = findAllWorlds();
+        findAllWorlds(world -> {
-        for (String world : al)
             if (!SettingsManager.settings.inactiveWorlds.contains(world))
                 addWorldBackup(world);
+        });
     }
 
     public static void backupAllPlugins() {

HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/setting/PlayerList.java

@@ -90,7 +90,7 @@ public abstract class PlayerList<T extends BasePlayer> {
         op = null;
         if (txt.exists())
             try {
-                initByText(FileUtils.readFileToStringIgnoreFileNotFound(txt));
+                initByText(FileUtils.readIgnoreFileNotFound(txt));
                 if (op != null)
                     player.addAll(op);
             } catch (IOException e) {

HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/setting/SettingsManager.java

@@ -26,7 +26,6 @@ import java.io.File;
 import java.io.IOException;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
 import org.jackhuang.hellominecraft.util.system.FileUtils;
-import org.jackhuang.hellominecraft.util.system.IOUtils;
 
 /**
  *
@@ -37,13 +36,13 @@ public class SettingsManager {
     public static Settings settings;
     public static boolean isFirstLoad = false;
     static Gson gson;
+    private static final File file = new File("hmcsm.json");
 
     public static void load() {
         gson = new Gson();
-        File file = new File(IOUtils.currentDir(), "hmcsm.json");
         if (file.exists())
             try {
-                String str = FileUtils.readFileToString(file);
+                String str = FileUtils.read(file);
                 if (str == null || str.trim().equals(""))
                     init();
                 else
@@ -64,9 +63,8 @@ public class SettingsManager {
     }
 
     public static void save() {
-        File f = new File(IOUtils.currentDir(), "hmcsm.json");
         try {
-            FileUtils.write(f, gson.toJson(settings));
+            FileUtils.write(file, gson.toJson(settings));
         } catch (IOException ex) {
             HMCLog.err("Failed to save settings.", ex);
         }

HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/ui/MainWindow.java

@@ -2781,13 +2781,12 @@ public final class MainWindow extends javax.swing.JFrame
         String path = Utilities.getPath("mods");
         if (path == null)
             return;
-        ArrayList<String> sl = IOUtils.findAllFile(new File(path));
         DefaultTableModel model = (DefaultTableModel) lstExternalMods.getModel();
         while (model.getRowCount() > 0)
             model.removeRow(0);
-        for (String s : sl)
+        IOUtils.findAllFile(new File(path), s
-            model.addRow(new Object[] { !SettingsManager.settings.inactiveExtMods.contains(s), s, ModType.getModTypeShowName(ModType.getModType(IOUtils.addSeparator(path) + s)) });
+                            -> model.addRow(new Object[] { !SettingsManager.settings.inactiveExtMods.contains(s), s, ModType.getModTypeShowName(ModType.getModType(IOUtils.addSeparator(path) + s)) })
-
+        );
         lstExternalMods.updateUI();
     }
 
@@ -2795,19 +2794,18 @@ public final class MainWindow extends javax.swing.JFrame
         String path = Utilities.getPath("plugins");
         if (path == null)
             return;
-        ArrayList<String> sl = IOUtils.findAllFile(new File(path));
         DefaultTableModel model = (DefaultTableModel) lstPlugins.getModel();
         while (model.getRowCount() > 0)
             model.removeRow(0);
-        for (String s : sl) {
+        IOUtils.findAllFile(new File(path), s -> {
-            PluginInformation p = PluginManager.getPluginYML(new File(Utilities.getGameDir() + "plugins" + File.separator + s));
+                            PluginInformation p = PluginManager.getPluginYML(new File(Utilities.getGameDir() + "plugins" + File.separator + s));
-            if (p == null)
+                            if (p == null)
-                model.addRow(new Object[] { !SettingsManager.settings.inactivePlugins.contains(s), s,
+                                model.addRow(new Object[] { !SettingsManager.settings.inactivePlugins.contains(s), s,
-                                            "", "", "", "" });
+                                                            "", "", "", "" });
-            else
+                            else
-                model.addRow(new Object[] { !SettingsManager.settings.inactivePlugins.contains(s), s,
+                                model.addRow(new Object[] { !SettingsManager.settings.inactivePlugins.contains(s), s,
-                                            p.name, p.version, p.author, p.description });
+                                                            p.name, p.version, p.author, p.description });
-        }
+                        });
 
         lstPlugins.updateUI();
     }
@@ -2816,37 +2814,35 @@ public final class MainWindow extends javax.swing.JFrame
         String path = Utilities.getPath("coremods");
         if (path == null)
             return;
-        ArrayList<String> sl = IOUtils.findAllFile(new File(path));
         DefaultTableModel model = (DefaultTableModel) lstCoreMods.getModel();
         while (model.getRowCount() > 0)
             model.removeRow(0);
-        for (String s : sl)
+        IOUtils.findAllFile(new File(path), s
-            model.addRow(new Object[] { !SettingsManager.settings.inactiveCoreMods.contains(s), s, ModType.getModTypeShowName(ModType.getModType(IOUtils.addSeparator(path) + s)) });
+                            -> model.addRow(new Object[] { !SettingsManager.settings.inactiveCoreMods.contains(s), s, ModType.getModTypeShowName(ModType.getModType(IOUtils.addSeparator(path) + s)) }));
 
         lstCoreMods.updateUI();
     }
 
     void loadWorlds() {
-        ArrayList<String> s = BackupManager.findAllWorlds();
         DefaultTableModel model = (DefaultTableModel) lstWorlds.getModel();
         if (SettingsManager.settings.inactiveWorlds == null)
             SettingsManager.settings.inactiveWorlds = new ArrayList<>();
-        for (String world : s)
+        BackupManager.findAllWorlds(world -> {
             model.addRow(new Object[] {
                 world, Utilities.getGameDir() + world, !SettingsManager.settings.inactiveWorlds.contains(world)
             });
+        });
         lstWorlds.updateUI();
     }
 
     void loadBackups() {
-        ArrayList<String> al = BackupManager.getBackupList();
         DefaultTableModel model = (DefaultTableModel) lstBackups.getModel();
-        for (String backup : al) {
+        BackupManager.getBackupList(backup -> {
             String[] names = FileUtils.getExtension(backup).split("\\+");
             model.addRow(new Object[] {
                 names[0], names[1], names[2]
             });
-        }
+        });
         lstBackups.updateUI();
     }
 
@@ -3007,17 +3003,16 @@ public final class MainWindow extends javax.swing.JFrame
     }
 
     void refreshInfos() {
-        ArrayList<String> al = IOUtils.findAllFile(new File(Utilities.getGameDir() + "infos-HMCSM"));
         DefaultTableModel model = (DefaultTableModel) lstInfos.getModel();
-        for (String s : al)
+        while (model.getRowCount() > 0)
-            model.addRow(new Object[] { s, FileUtils.getExtension(s) });
+            model.removeRow(0);
+        IOUtils.findAllFile(new File(Utilities.getGameDir() + "infos-HMCSM"), s -> model.addRow(new Object[] { s, FileUtils.getExtension(s) }));
         lstInfos.updateUI();
     }
 
     void refreshReports() {
-        ArrayList<String> al = IOUtils.findAllFile(new File(Utilities.getGameDir() + "crash-reports"));
+        lstCrashReportsModel.clear();
-        for (String s : al)
+        IOUtils.findAllFile(new File(Utilities.getGameDir() + "crash-reports"), s -> lstCrashReportsModel.addElement(s));
-            lstCrashReportsModel.addElement(s);
         lstReports.setModel(lstCrashReportsModel);
     }
 
@@ -3721,7 +3716,7 @@ public final class MainWindow extends javax.swing.JFrame
         String id = (String) lstDownloads.getModel().getValueAt(lstDownloads.getSelectedRow(), 0);
         final String MC_DOWNLOAD_URL = "https://s3.amazonaws.com/Minecraft.Download/versions/";
         String url = MC_DOWNLOAD_URL + id + "/";
-        File serverjar = new File(IOUtils.currentDir(), "minecraft_server." + id + ".jar");
+        File serverjar = new File("minecraft_server." + id + ".jar");
         serverjar.delete();
 
         String downloadURL = url + "minecraft_server." + id + ".jar";
@@ -3739,7 +3734,7 @@ public final class MainWindow extends javax.swing.JFrame
             if (index == -1)
                 return;
             String path = Utilities.getGameDir() + "infos-HMCSM" + File.separator + model.getValueAt(index, 0);
-            String content = FileUtils.readFileToString(new File(path));
+            String content = FileUtils.read(new File(path));
             txtInfo.setText(content);
         } catch (IOException ex) {
             HMCLog.warn("Failed to read info.", ex);
@@ -3747,14 +3742,14 @@ public final class MainWindow extends javax.swing.JFrame
     }//GEN-LAST:event_btnShowInfoActionPerformed
 
     private void btnAutoSearchActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnAutoSearchActionPerformed
-        ArrayList<String> al = IOUtils.findAllFile(IOUtils.currentDir());
+        IOUtils.findAllFile(new File("."), s -> {
-        for (String s : al)
+                            if (ServerChecker.isServerJar(new File(s))) {
-            if (ServerChecker.isServerJar(new File(s))) {
+                                String path = IOUtils.tryGetCanonicalFilePath(new File(s));
-                String path = IOUtils.tryGetCanonicalFilePath(new File(IOUtils.currentDir(), s));
+                                txtMainJar.setText(path);
-                txtMainJar.setText(path);
+                                SettingsManager.settings.mainjar = path;
-                SettingsManager.settings.mainjar = path;
+                                SettingsManager.save();
-                SettingsManager.save();
+                            }
-            }
+                        });
     }//GEN-LAST:event_btnAutoSearchActionPerformed
 
     private void cboCategoryItemStateChanged(java.awt.event.ItemEvent evt) {//GEN-FIRST:event_cboCategoryItemStateChanged
@@ -3784,7 +3779,7 @@ public final class MainWindow extends javax.swing.JFrame
             if (index == -1)
                 return;
             String path = Utilities.getGameDir() + "crash-reports" + File.separator + lstCrashReportsModel.get(index);
-            String content = FileUtils.readFileToString(new File(path));
+            String content = FileUtils.read(new File(path));
             txtCrashReport.setText(content);
         } catch (IOException ex) {
             HMCLog.warn("Failed to get crash-report.", ex);
@@ -3858,7 +3853,7 @@ public final class MainWindow extends javax.swing.JFrame
             return;
         }
         BukkitVersion v = cb.get(idx);
-        File file = new File(IOUtils.currentDir(), "craftbukkit-" + ext + "-" + v.version + ".jar");
+        File file = new File("craftbukkit-" + ext + "-" + v.version + ".jar");
         TaskWindow.factory().append(new FileDownloadTask(v.downloadLink, IOUtils.tryGetCanonicalFile(file)).setTag("bukkit-" + ext + "-" + v.version))
             .create();
     }//GEN-LAST:event_btnDownloadCraftbukkitActionPerformed
@@ -3869,7 +3864,7 @@ public final class MainWindow extends javax.swing.JFrame
             return;
         ForgeVersion v = mcpcPackages.get(cboCauldronMinecraft.getSelectedItem().toString()).get(idx);
         String url;
-        File filepath = new File(IOUtils.currentDir(), "forge-installer.jar");
+        File filepath = new File("forge-installer.jar");
         url = v.installer[1];
         if (!TaskWindow.factory().append(new FileDownloadTask(url, filepath).setTag("cauldron-" + v.ver)).create())
             MessageBox.Show(C.i18n("install.failed_download_forge"));
@@ -3879,7 +3874,7 @@ public final class MainWindow extends javax.swing.JFrame
 
     private void installMCPC(final File filepath) {
         try {
-            ForgeInstaller installer = new ForgeInstaller(IOUtils.currentDir(), filepath);
+            ForgeInstaller installer = new ForgeInstaller(new File("."), filepath);
             installer.install();
             MessageBox.Show(C.i18n("install.success"));
         } catch (Exception e) {
@@ -3910,7 +3905,7 @@ public final class MainWindow extends javax.swing.JFrame
     }//GEN-LAST:event_cboCauldronMinecraftItemStateChanged
 
     private void btnInstallMCPCActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnInstallMCPCActionPerformed
-        File filepath = new File(IOUtils.currentDir(), "forge-installer.jar");
+        File filepath = new File("forge-installer.jar");
         if (!filepath.exists()) {
             MessageBox.Show("您还未下载Cauldron！请点击下载按钮下载并自动安装！");
             return;

common.gradle

@@ -20,12 +20,9 @@ import java.util.jar.Pack200
 import java.util.zip.GZIPOutputStream
 import java.security.MessageDigest
 
-
-
 apply plugin: 'java'
 apply plugin: 'maven'
 
-//sourceCompatibility = '1.7'
 [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
 
 repositories {
@@ -39,8 +36,6 @@ buildscript {
 }
 
 dependencies {
-    // Adding dependencies here will add the dependencies to each subproject.
-    
     compile 'com.google.code.gson:gson:2.2.4' // Apache License 2.0
 }