Fixed lots of bugs

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/Main.java

@@ -119,7 +119,6 @@ public final class Main implements Runnable {
     public static void main(String[] args) throws IOException {
         {
             //PluginManager.getServerPlugin();
-
             if (IUpgrader.NOW_UPGRADER.parseArguments(getVersionNumber(), args))
                 return;
 
@@ -169,6 +168,8 @@ public final class Main implements Runnable {
                         }
                     });
             }
+            if (true)
+                throw new IOException("???");
 
             try {
                 PluginManager.plugin().showUI();

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

@@ -78,6 +78,8 @@ public final class YggdrasilAuthenticator extends IAuthenticator {
                     username = JOptionPane.showInputDialog(C.i18n("login.no_charactor"));
             else
                 username = selectedProfile.name;
+            if (username == null)
+                throw new AuthenticationException("No player");
             result.setUserName(username);
             result.setUserId(selectedProfile == null ? OfflineAuthenticator.getUUIDFromUserName(username) : UUIDTypeAdapter.fromUUID(selectedProfile.id));
         }

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

@@ -22,7 +22,6 @@ import com.google.gson.JsonSyntaxException;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.HashSet;
 import java.util.List;
 import org.jackhuang.hellominecraft.util.C;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
@@ -93,13 +92,15 @@ public class MinecraftDownloadService extends IMinecraftDownloadService {
                 MinecraftVersion mv;
                 try {
                     mv = C.GSON.fromJson(FileUtils.readFileToStringQuietly(mvt), MinecraftVersion.class);
+                    if (mv == null)
+                        throw new JsonSyntaxException("incorrect version");
                 } catch (JsonSyntaxException ex) {
                     HMCLog.err("Failed to parse minecraft version json.", ex);
                     onFailed(k);
                     return;
                 }
                 String jarURL = vurl + id + ".jar", hash = null;
-                if (service.getDownloadType().getProvider().isAllowedToUseSelfURL() && mv.downloads != null) {
+                if (mv != null && mv.downloads != null && service.getDownloadType().getProvider().isAllowedToUseSelfURL()) {
                     GameDownloadInfo gdi = mv.downloads.get("client");
                     if (gdi != null) {
                         if (gdi.url != null)

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

@@ -77,6 +77,8 @@ public class MinecraftModService extends IMinecraftModService {
         try {
             if (!ModInfo.isFileMod(f))
                 return false;
+            if (!modCache.containsKey(id))
+                recacheMods(id);
             File modsFolder = service.version().getRunDirectory(id, "mods");
             if (!modsFolder.exists() && !modsFolder.mkdirs())
                 HMCLog.warn("Failed to make directories: " + modsFolder);

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

@@ -115,7 +115,7 @@ public class MinecraftVersionManager extends IMinecraftProvider {
                     mcVersion = C.GSON.fromJson(FileUtils.readFileToString(jsonFile), MinecraftVersion.class);
                     if (mcVersion == null)
                         throw new GameException("Wrong json format, got null.");
-                } catch (IOException | GameException e) {
+                } catch (Exception e) {
                     HMCLog.warn("Found wrong format json, try to fix it.", e);
                     if (MessageBox.Show(C.i18n("launcher.versions_json_not_formatted", id), MessageBox.YES_NO_OPTION) == MessageBox.YES_OPTION) {
                         service.download().downloadMinecraftVersionJson(id);
@@ -190,6 +190,7 @@ public class MinecraftVersionManager extends IMinecraftProvider {
 
     @Override
     public File getRunDirectory(String id) {
+        if (getVersionById(id) != null)
             if ("version".equals(getVersionById(id).runDir))
                 return versionRoot(id);
         return baseDirectory();

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

@@ -504,8 +504,10 @@ public class MainPagePanel extends AnimatedPanel {
     final Consumer<String> versionChanged = this::versionChanged;
 
     void versionChanged(String selectedVersion) {
+        isLoading = true;
         ((DefaultComboBoxModel) cboVersions.getModel()).setSelectedItem(selectedVersion);
         cboVersions.setToolTipText(selectedVersion);
+        isLoading = false;
     }
 
     final Consumer<Profile> onSelectedProfilesChanged = t -> {

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

@@ -101,6 +101,9 @@ public class AppDataUpgrader extends IUpgrader {
     @Override
     public boolean call(Object sender, final VersionNumber number) {
         ((UpdateChecker) sender).requestDownloadLink().reg(map -> {
+            if (MessageBox.Show(C.i18n("update.newest_version") + number.firstVer + "." + number.secondVer + "." + number.thirdVer + "\n"
+                                + C.i18n("update.should_open_link"),
+                                MessageBox.YES_NO_OPTION) == MessageBox.YES_OPTION)
                 if (map != null && map.containsKey("pack"))
                     try {
                         String hash = null;
@@ -113,9 +116,7 @@ public class AppDataUpgrader extends IUpgrader {
                     } catch (IOException ex) {
                         HMCLog.err("Failed to create upgrader", ex);
                     }
-            if (MessageBox.Show(C.i18n("update.newest_version") + number.firstVer + "." + number.secondVer + "." + number.thirdVer + "\n"
+                else {
-                                + C.i18n("update.should_open_link"),
-                                MessageBox.YES_NO_OPTION) == MessageBox.YES_OPTION) {
                     String url = C.URL_PUBLISH;
                     if (map != null)
                         if (map.containsKey(OS.os().checked_name))