SoundManager: add the ability to play non-3d looping sounds

apps/openmw/mwsound/soundmanager.cpp

@@ -386,18 +386,28 @@ namespace MWSound
   }
 
 
-  void SoundManager::playSound(const std::string& soundId, float volume, float pitch)
+  void SoundManager::playSound(const std::string& soundId, float volume, float pitch, bool loop)
   {
-    // Play and forget
     float min, max;
     const std::string &file = lookup(soundId, volume, min, max);
     if (file != "")
     {
         SoundPtr snd = mgr->load(file);
+        snd->setRepeat(loop);
         snd->setVolume(volume);
         snd->setRange(min,max);
         snd->setPitch(pitch);
         snd->play();
+
+        if (loop)
+        {
+            // Only add the looping sound once
+            IDMap::iterator it = mLoopedSounds.find(soundId);
+            if(it == mLoopedSounds.end())
+            {
+                mLoopedSounds[soundId] = WSoundPtr(snd);
+            }
+        }
     }
   }
 
@@ -421,6 +431,17 @@ namespace MWSound
     removeCell(cell);
   }
 
+    void SoundManager::stopSound(const std::string& soundId)
+    {
+        IDMap::iterator it = mLoopedSounds.find(soundId);
+        if(it != mLoopedSounds.end())
+        {
+            SoundPtr snd = it->second.lock();
+            if(snd) snd->stop();
+            mLoopedSounds.erase(it);
+        }
+    }
+
   bool SoundManager::getSoundPlaying (MWWorld::Ptr ptr, const std::string& soundId) const
   {
     // Mark all sounds as playing, otherwise the scripts will just

apps/openmw/mwsound/soundmanager.hpp

@@ -80,6 +80,8 @@ namespace MWSound
             // Points to the current playlist of music files stored in the music library
             const Files::PathContainer* mCurrentPlaylist;
 
+            IDMap mLoopedSounds;
+
             std::string lookup(const std::string &soundId,
                        float &volume, float &min, float &max);
             void add(const std::string &file,
@@ -130,7 +132,7 @@ namespace MWSound
             bool sayDone (MWWorld::Ptr reference) const;
             ///< Is actor not speaking?
 
-            void playSound (const std::string& soundId, float volume, float pitch);
+            void playSound (const std::string& soundId, float volume, float pitch, bool loop=false);
             ///< Play a sound, independently of 3D-position
 
             void playSound3D (MWWorld::Ptr reference, const std::string& soundId,
@@ -144,6 +146,9 @@ namespace MWSound
             void stopSound (MWWorld::Ptr::CellStore *cell);
             ///< Stop all sounds for the given cell.
 
+            void stopSound(const std::string& soundId);
+            ///< Stop a non-3d looping sound
+
             bool getSoundPlaying (MWWorld::Ptr reference, const std::string& soundId) const;
             ///< Is the given sound currently playing on the given object?