- if (top_dir != NULL)
- {
- if (tree_type == TREE_TYPE_LEVEL_DIR)
- AddUserLevelSetToLevelInfo(top_dir);
- else
- AddUserArtworkSetToArtworkInfo(top_dir, tree_type);
- }
+ return FALSE;
+ }
+
+ if (tree_type == TREE_TYPE_LEVEL_DIR &&
+ game_status == GAME_MODE_LEVELS &&
+ leveldir_current->node_parent != NULL)
+ {
+ // extract new level set next to currently selected level set
+ tree_node = leveldir_current;
+
+ // get parent directory of currently selected level set directory
+ directory = getLevelDirFromTreeInfo(leveldir_current->node_parent);
+
+ // use private level directory instead of top-level package level directory
+ if (strPrefix(directory, options.level_directory) &&
+ strEqual(leveldir_current->node_parent->fullpath, "."))
+ directory = getUserLevelDir(NULL);
+ }
+
+ // extract level or artwork set from zip file to target directory
+ char *top_dir = ExtractZipFileIntoDirectory(filename, directory, tree_type);
+
+ if (top_dir == NULL)
+ {
+ // error message already issued by "ExtractZipFileIntoDirectory()"
+
+ return FALSE;