Fix #1938: 正确处理 map_to_resources (#2919)

* Fix #1938: 正确处理 map_to_resources

* fix checkstyle

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

@@ -164,7 +164,9 @@ public class VersionPage extends DecoratorAnimatedPage implements DecoratorPage
     }
 
     private void clearAssets() {
-        FileUtils.deleteDirectoryQuietly(new File(getProfile().getRepository().getBaseDirectory(), "assets"));
+        File baseDirectory = getProfile().getRepository().getBaseDirectory();
+        FileUtils.deleteDirectoryQuietly(new File(baseDirectory, "assets"));
+        FileUtils.deleteDirectoryQuietly(new File(baseDirectory, "resources"));
     }
 
     private void clearJunkFiles() {

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

@@ -52,6 +52,10 @@ public final class AssetIndex {
         return virtual || mapToResources;
     }
 
+    public boolean needMapToResources() {
+        return mapToResources;
+    }
+
     public Map<String, AssetObject> getObjects() {
         return Collections.unmodifiableMap(objects);
     }

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

@@ -459,6 +459,8 @@ public class DefaultGameRepository implements GameRepository {
             return assetsDir;
 
         if (index.isVirtual()) {
+            Path resourcesDir = getBaseDirectory().toPath().resolve("resources");
+
             int cnt = 0;
             int tot = index.getObjects().entrySet().size();
             for (Map.Entry<String, AssetObject> entry : index.getObjects().entrySet()) {
@@ -468,6 +470,12 @@ public class DefaultGameRepository implements GameRepository {
                     cnt++;
                     if (!Files.isRegularFile(target))
                         FileUtils.copyFile(original, target);
+
+                    if (index.needMapToResources()) {
+                        target = resourcesDir.resolve(entry.getKey());
+                        if (!Files.isRegularFile(target))
+                            FileUtils.copyFile(original, target);
+                    }
                 }
             }