add full pack reload shortcut for reloading wip packs and such

src/ScreenSelectMusic.cpp

@@ -517,6 +517,13 @@ ScreenSelectMusic::Input(const InputEventPlus& input)
 				AfterMusicChange();
 				return true;
 			}
+		} else if (holding_shift && bHoldingCtrl && c == 'P' &&
+			m_MusicWheel.IsSettled()) {
+			SONGMAN->ForceReloadSongGroup(
+			  GetMusicWheel()->GetSelectedSection());
+				AfterMusicChange();
+			SCREENMAN->SystemMessage("Current pack reloaded");
+				return true;
 		} else if (bHoldingCtrl && c == 'F' && m_MusicWheel.IsSettled() &&
 				   input.type == IET_FIRST_PRESS) {
 			// Favorite the currently selected song. -Not Kyz

src/SongManager.cpp

@@ -1093,6 +1093,19 @@ SongManager::GetSongs(const RString& sGroupName) const
 		return iter->second;
 	return vEmpty;
 }
+void
+SongManager::ForceReloadSongGroup(const RString& sGroupName) const {
+	auto songs = GetSongs(sGroupName);
+	for (auto s : songs) {
+		auto stepses = s->GetAllSteps();
+		vector<string> oldChartkeys;
+		for (auto steps : stepses)
+			oldChartkeys.emplace_back(steps->GetChartKey());
+
+		s->ReloadFromSongDir();
+		SONGMAN->ReconcileChartKeysForReloadedSong(s, oldChartkeys);
+	}
+}
 
 void
 SongManager::GetFavoriteSongs(vector<Song*>& songs) const

src/SongManager.h

@@ -84,6 +84,7 @@ class SongManager
 	 * @param sGroupName the name of the group.
 	 * @return the songs that belong in the group. */
 	const vector<Song*>& GetSongs(const RString& sGroupName) const;
+	void ForceReloadSongGroup(const RString& sGroupName) const;
 	/**
 	 * @brief Retrieve all of the songs in the game.
 	 * @return all of the songs. */