make the pause muffle the music

Author: pawnishoovy

Source/Managers/ActivityMan.cpp

@@ -375,6 +375,7 @@ void ActivityMan::PauseActivity(bool pause, bool skipPauseMenu) {
 	m_ResumingActivityFromPauseMenu = false;
 	m_SkipPauseMenuWhenPausingActivity = skipPauseMenu;
 	g_AudioMan.PauseIngameSounds(pause);
+	g_AudioMan.SetMusicMuffledState(pause);
 	g_ConsoleMan.PrintString("SYSTEM: Activity \"" + m_Activity->GetPresetName() + "\" was " + (pause ? "paused" : "resumed"));
 }
 

Source/Managers/AudioMan.cpp

@@ -44,6 +44,7 @@ void AudioMan::Clear() {
 	m_MinimumDistanceForPanning = 30.0F;
 	//////////////////////////////////////////////////
 
+	m_MusicMuffled = false;
 	m_MusicPath.clear();
 	m_MusicPlayList.clear();
 	m_SilenceTimer.Reset();
@@ -82,6 +83,12 @@ bool AudioMan::Initialize() {
 	audioSystemSetupResult = (audioSystemSetupResult == FMOD_OK) ? m_AudioSystem->createChannelGroup("UI", &m_UIChannelGroup) : audioSystemSetupResult;
 	audioSystemSetupResult = (audioSystemSetupResult == FMOD_OK) ? m_AudioSystem->createChannelGroup("Music", &m_MusicChannelGroup) : audioSystemSetupResult;
 
+	// Add a lowpass filter to the music channel group for pause menu usage
+	FMOD::DSP* dsp_multibandeq;
+	audioSystemSetupResult = (audioSystemSetupResult== FMOD_OK) ? m_AudioSystem->createDSPByType(FMOD_DSP_TYPE_MULTIBAND_EQ, &dsp_multibandeq) : audioSystemSetupResult;
+	audioSystemSetupResult = (audioSystemSetupResult == FMOD_OK) ? dsp_multibandeq->setParameterFloat(1, 22000.0f) : audioSystemSetupResult; // Functionally inactive lowpass filter
+	audioSystemSetupResult = (audioSystemSetupResult == FMOD_OK) ? m_MusicChannelGroup->addDSP(0, dsp_multibandeq) : audioSystemSetupResult;
+
 	// Add a safety limiter to the master channel group, after fader
 	FMOD::DSP* dsp_limiter;
 	audioSystemSetupResult = (audioSystemSetupResult == FMOD_OK) ? m_AudioSystem->createDSPByType(FMOD_DSP_TYPE_LIMITER, &dsp_limiter) : audioSystemSetupResult;
@@ -1003,6 +1010,24 @@ FMOD_RESULT F_CALLBACK AudioMan::SoundChannelEndedCallback(FMOD_CHANNELCONTROL*
 	return FMOD_OK;
 }
 
+FMOD_RESULT AudioMan::SetMusicMuffledState(bool musicMuffledState) {
+	FMOD_RESULT status = FMOD_OK;
+	if (musicMuffledState != m_MusicMuffled){
+		FMOD::DSP* dsp_multibandeq;
+		status = (status == FMOD_OK) ? m_MusicChannelGroup->getDSP(0, &dsp_multibandeq) : status;
+		float frequency = 22000.0F;
+		
+		if (musicMuffledState){
+			frequency = 1000.0F;
+		}
+
+		status = (status == FMOD_OK) ? dsp_multibandeq->setParameterFloat(1, frequency) : status;
+		m_MusicMuffled = musicMuffledState;
+	}
+	return status;
+}
+
+
 FMOD_VECTOR AudioMan::GetAsFMODVector(const Vector& vector, float zValue) const {
 	Vector sceneDimensions = g_SceneMan.GetScene() ? g_SceneMan.GetSceneDim() : Vector();
 	return sceneDimensions.IsZero() ? FMOD_VECTOR{0, 0, zValue} : FMOD_VECTOR{vector.m_X, sceneDimensions.m_Y - vector.m_Y, zValue};

Source/Managers/AudioMan.h

@@ -302,6 +302,11 @@ namespace RTE {
 
 		/// Clears the music queue.
 		void ClearMusicQueue() { m_MusicPlayList.clear(); }
+
+		/// Sets the music muffled state.
+		/// @param musicMuffledState The new music muffled state to set.
+		/// @return Whether the new music muffled state was successfully set.
+		FMOD_RESULT SetMusicMuffledState(bool musicMuffledState);
 #pragma endregion
 
 #pragma region Lua Sound File Playing
@@ -397,6 +402,7 @@ namespace RTE {
 		float m_MinimumDistanceForPanning;
 		//////////////////////////////////////////////////
 
+		bool m_MusicMuffled; //!< Whether the music bus is muffled.
 		std::string m_MusicPath; //!< The path to the last played music stream.
 		std::list<std::string> m_MusicPlayList; //!< Playlist of paths to music to play after the current non looping one is done.
 		Timer m_SilenceTimer; //!< Timer for measuring silences between songs.

Source/Menus/TitleScreen.cpp

@@ -474,6 +474,7 @@ void TitleScreen::UpdateTitleTransitions() {
 				m_GameLogo.SetPos(Vector(static_cast<float>(m_TitleScreenMaxWidth / 2), m_GameLogoPlanetViewOffsetY));
 				m_StationOrbitTimer.SetElapsedRealTimeS(m_StationOrbitTimerElapsedTime);
 				g_AudioMan.PlayMusic("Base.rte/Music/dBSoundworks/thisworld5.ogg", -1);
+				g_AudioMan.SetMusicMuffledState(false);
 			}
 			g_AudioMan.SetTempMusicVolume(EaseOut(0, 1.0F, m_SectionProgress));
 			m_FadeAmount = static_cast<int>(LERP(0, 1.0F, 255.0F, 0, m_SectionProgress));