feat: Add Wii Backup File WBFS scanning

msg_hash.h

@@ -136,6 +136,7 @@ enum msg_file_type
    FILE_TYPE_ISO,
    FILE_TYPE_LUTRO,
    FILE_TYPE_CHD,
+   FILE_TYPE_WBFS,
 
    FILE_TYPE_DIRECT_LOAD,
 
@@ -665,7 +666,7 @@ enum msg_hash_enums
    MENU_LABEL(INPUT_UNIFIED_MENU_CONTROLS),
 
    /* Video */
-   MENU_LABEL(CRT_SWITCH_RESOLUTION), 
+   MENU_LABEL(CRT_SWITCH_RESOLUTION),
    MENU_LABEL(CRT_SWITCH_RESOLUTION_SUPER),
    MENU_LABEL(VIDEO_FONT_ENABLE),
    MENU_LABEL(VIDEO_FONT_PATH),

tasks/task_database.c

@@ -595,6 +595,11 @@ static enum msg_file_type extension_to_file_type(const char *ext)
          string_is_equal(ext, "CHD")
       )
       return FILE_TYPE_CHD;
+   if (
+         string_is_equal(ext, "wbfs")  ||
+         string_is_equal(ext, "WBFS")
+      )
+      return FILE_TYPE_WBFS;
    if (
          string_is_equal(ext, "lutro")  ||
          string_is_equal(ext, "LUTRO")
@@ -642,6 +647,8 @@ static int task_database_iterate_playlist(
             return task_database_gdi_get_crc(name, &db_state->crc);
          }
          break;
+      /* Consider Wii WBFS files similar to ISO files. */
+      case FILE_TYPE_WBFS:
       case FILE_TYPE_ISO:
          db_state->serial[0] = '\0';
          intfstream_file_get_serial(name, 0, SIZE_MAX, db_state->serial);
@@ -1301,7 +1308,7 @@ bool task_push_dbscan(
       const char *playlist_directory,
       const char *content_database,
       const char *fullpath,
-      bool directory, 
+      bool directory,
       bool show_hidden_files,
       retro_task_callback_t cb)
 {

tasks/task_database_cue.c

@@ -333,6 +333,11 @@ int detect_serial_ascii_game(intfstream_t *fd, char *game_id)
          game_id[15] = '\0';
          numberOfAscii = 0;
 
+         /* When scanning WBFS files, "WBFS" is discovered as the first serial. Ignore it. */
+         if (string_is_equal(game_id, "WBFS")) {
+            continue;
+         }
+
          /* Loop through until we run out of ASCII characters. */
          for (i = 0; i < 15; i++)
          {