convert map internally for tko & mna

src/mania/mod.rs

@@ -53,12 +53,15 @@ impl<'map> ManiaStars<'map> {
     /// Create a new difficulty calculator for osu!mania maps.
     #[inline]
     pub fn new(map: &'map Beatmap) -> Self {
+        let map = map.convert_mode(GameMode::Mania);
+        let is_convert = matches!(map, Cow::Owned(_));
+
         Self {
-            map: Cow::Borrowed(map),
+            map,
             mods: 0,
             passed_objects: None,
             clock_rate: None,
-            is_convert: false,
+            is_convert,
         }
     }
 

src/mania/pp.rs

@@ -63,7 +63,7 @@ impl<'map> ManiaPP<'map> {
     #[inline]
     pub fn new(map: &'map Beatmap) -> Self {
         Self {
-            map: Cow::Borrowed(map),
+            map: map.convert_mode(GameMode::Mania),
             attributes: None,
             mods: 0,
             passed_objects: None,