moved floors audio logic from audio class

src/engine/include/models/audio_listener.hpp

@@ -17,6 +17,7 @@ class AudioListener
 public:
     virtual ~AudioListener(){};
     virtual void onAudioTick() = 0;
+    virtual void onAudioFinish() = 0;
 
 private:
 };

src/engine/include/modules/audio.hpp

@@ -56,7 +56,7 @@ private:
     void loadModules();
     void initAUDSRV();
 
-    int ret, played;
+    int ret;
     char chunk[2048];
     FILE *wav;
     audsrv_fmt_t format;