Renamed runtime functions to make more sense

src/ChargeAudio.hpp

@@ -22,8 +22,9 @@ public:
   void Reset();
 
   SoundState GetState();
-  float GetTotalRuntime();
-  float GetRuntime();
+  float GetDuration();
+  float GetPlaybackTime();
+  bool SetRuntime();
   void SetPosition(Magnum::Vector3 position);
   Magnum::Vector3 GetPosition();
   void SetVolume(float value);

src/Sound.cpp

@@ -27,13 +27,13 @@ Sound::Sound(Engine *engine, std::function<void(Sound *)> setupFunction,
 Sound::~Sound() { ma_sound_uninit(&maSound); }
 Sound::SoundState Sound::GetState() { return state; }
 
-float Sound::GetTotalRuntime() {
+float Sound::GetDuration() {
   float time;
   ma_sound_get_length_in_seconds(&this->maSound, &time);
   return time;
 }
 
-float Sound::GetRuntime() {
+float Sound::GetPlaybackTime() {
   float time;
   ma_sound_get_cursor_in_seconds(&this->maSound, &time);
   return time;