Launcher: mark frame caps above 120 FPS with a warning sign

Above about 120 FPS the game's movement timing breaks (running and rolling slow down).

launcher/bbport_launcher_win.py

@@ -90,7 +90,12 @@ import bbport_lang  # noqa: E402
 LANG = 'en'
 
 
+WARN = '  ⚠'  # marks a risky choice; the text before it is translated as usual
+
+
 def _(en, ru=None):
+    if en.endswith(WARN):
+        return _(en[:-len(WARN)], ru and ru.removesuffix(WARN)) + WARN
     if LANG == 'ru':
         return ru or en
     return bbport_lang.table(LANG).get(en) or en
@@ -163,8 +168,8 @@ READBACKS = [('', ('Relaxed (default)', 'Relaxed (по умолчанию)')), (
 # Frame cap of the unlocked mode (BB_FPS_LIMIT). '' leaves the port's own: the display refresh,
 # at most 120, because the game's movement timing breaks above about 120 FPS.
 FRAME_CAPS = [('', ('Auto: display refresh, max 120 (recommended)', 'Авто: частота монитора, макс. 120 (рекомендуется)')),
-              ('60', ('60',)), ('90', ('90',)), ('120', ('120',)), ('144', ('144',)), ('165', ('165',)),
-              ('240', ('240',)), ('0', ('No limit', 'Без ограничения'))]
+              ('60', ('60',)), ('90', ('90',)), ('120', ('120',)), ('144', ('144  ⚠',)), ('165', ('165  ⚠',)),
+              ('240', ('240  ⚠',)), ('0', ('No limit  ⚠', 'Без ограничения  ⚠'))]
 FRAMES_AHEAD = [('', ('1 (default)', '1 (по умолчанию)')), ('2', ('2',)), ('0', ('Unbounded', 'Без ограничения'))]
 UI_LANGUAGES = bbport_lang.LANGUAGE_NAMES