Detection for SoundState::Finished

CMakeLists.txt

@@ -19,8 +19,9 @@ pkg_check_modules(AVCODEC REQUIRED libavcodec)
 pkg_check_modules(AVUTIL REQUIRED libavutil)
 pkg_check_modules(SWRESAMPLE REQUIRED libswresample)
 
-add_library(ChargeAudio SHARED "src/ChargeAudio.hpp" "src/Engine.cpp"
-                               "src/Sound.cpp" "lib/miniaudio/miniaudio.c")
+add_library(
+  ChargeAudio SHARED "src/ChargeAudio.hpp" "src/Engine.cpp" "src/Sound.cpp"
+                     "src/Listener.cpp" "lib/miniaudio/miniaudio.c")
 
 target_link_libraries(
   ChargeAudio

src/ChargeAudio.hpp

@@ -13,20 +13,40 @@ using namespace Corrade;
 using namespace _ma;
 class Sound {
 public:
+  enum SoundState { Idle, Playing, Paused, Finished };
+
   ~Sound();
   void Play();
   void Pause();
   void Reset();
 
+  SoundState GetState();
   void SetPosition(Magnum::Vector3 position);
   Magnum::Vector3 GetPosition();
   void SetVolume(float value);
   float GetVolume();
 
 private:
-  Sound();
+  Sound(class Engine *engine);
+  static void onSoundFinish(void *customData, ma_sound *);
+
   class Engine *baseEngine;
   ma_sound maSound;
+  SoundState state = SoundState::Idle;
+  friend class Engine;
+};
+
+class Listener {
+public:
+  void SetEnabled(bool isEnabled);
+  bool GetEnabled();
+  void SetPosition(Magnum::Vector3 position);
+  Magnum::Vector3 GetPosition();
+
+private:
+  Listener();
+  class Engine *baseEngine;
+  ma_uint32 listenerID;
   friend class Engine;
 };
 
@@ -34,16 +54,20 @@ class Engine {
 public:
   Engine();
   ~Engine();
-  Containers::Pointer<Sound> CreateSound(std::string filepath);
 
-  void SetPosition(Magnum::Vector3 position);
-  Magnum::Vector3 GetPosition();
+  // Creating tools
+  Containers::Pointer<Sound> CreateSound(std::string filepath);
+  Containers::Pointer<Listener> CreateListener();
+
   void SetVolume(float value);
   float GetVolume();
 
 private:
   ma_engine maEngine;
   ma_result maResponse;
+  ma_uint64 listenerCounter = 0;
+  friend class Listener;
+  friend class Sound;
 };
 
 } // namespace ChargeAudio

src/Engine.cpp

@@ -21,11 +21,12 @@ Engine::Engine() {
 Engine::~Engine() { ma_engine_uninit(&maEngine); }
 
 Containers::Pointer<Sound> Engine::CreateSound(std::string filepath) {
-  auto sound = Containers::Pointer<Sound>(new Sound());
-  sound->baseEngine = this;
-
+  auto sound = Containers::Pointer<Sound>(new Sound(this));
   maResponse = ma_sound_init_from_file(&maEngine, filepath.c_str(), 0, NULL,
                                        NULL, &sound->maSound);
+  sound->maSound.endCallback = Sound::onSoundFinish;
+  sound->maSound.pEndCallbackUserData = sound.get();
+
   if (maResponse != MA_SUCCESS) {
     Utility::Error{} << "Failed to create the sound from the file: "
                      << filepath.c_str() << " (" << maResponse << ")";
@@ -36,17 +37,14 @@ Containers::Pointer<Sound> Engine::CreateSound(std::string filepath) {
   return sound;
 }
 
+Containers::Pointer<Listener> Engine::CreateListener() {
+  auto listener = Containers::Pointer<Listener>(new Listener());
+  listener->baseEngine = this;
+  listener->listenerID = listenerCounter++;
+
+  return listener;
+}
+
 // Controls
-void Engine::SetPosition(Magnum::Vector3 position) {
-  ma_engine_listener_set_position(&maEngine, 0, position.x(), position.y(),
-                                  position.z());
-}
-
-Magnum::Vector3 Engine::GetPosition() {
-  ma_vec3f pos = ma_engine_listener_get_position(&maEngine, 0);
-  return Magnum::Vector3(pos.x, pos.y, pos.z);
-  ;
-}
-
 void Engine::SetVolume(float value) { ma_engine_set_volume(&maEngine, value); }
 float Engine::GetVolume() { return ma_engine_get_volume(&maEngine); }

src/Listener.cpp

@@ -0,0 +1,25 @@
+#include "ChargeAudio.hpp"
+#include <Magnum/Math/Vector3.h>
+
+using namespace ChargeAudio;
+
+Listener::Listener() {}
+
+// Controls
+void Listener::SetEnabled(bool isEnabled) {
+  ma_engine_listener_set_enabled(&baseEngine->maEngine, listenerID, isEnabled);
+}
+
+bool Listener::GetEnabled() {
+  return ma_engine_listener_is_enabled(&baseEngine->maEngine, listenerID);
+}
+void Listener::SetPosition(Magnum::Vector3 position) {
+  ma_engine_listener_set_position(&baseEngine->maEngine, listenerID,
+                                  position.x(), position.y(), position.z());
+}
+
+Magnum::Vector3 Listener::GetPosition() {
+  ma_vec3f pos =
+      ma_engine_listener_get_position(&baseEngine->maEngine, listenerID);
+  return Magnum::Vector3(pos.x, pos.y, pos.z);
+}

src/Sound.cpp

@@ -3,12 +3,23 @@
 #include <Magnum/Math/Vector3.h>
 
 using namespace ChargeAudio;
-Sound::Sound() {}
+Sound::Sound(Engine *engine) : baseEngine(engine) {}
+
 Sound::~Sound() { ma_sound_uninit(&maSound); }
 
+Sound::SoundState Sound::GetState() { return state; }
+
 // Controls
-void Sound::Play() { ma_sound_start(&maSound); }
-void Sound::Pause() { ma_sound_stop(&maSound); }
+void Sound::Play() {
+  ma_sound_start(&maSound);
+  state = Sound::SoundState::Playing;
+}
+
+void Sound::Pause() {
+  ma_sound_stop(&maSound);
+  state = Sound::SoundState::Paused;
+}
+
 void Sound::Reset() { ma_sound_seek_to_pcm_frame(&maSound, 0); }
 
 void Sound::SetPosition(Magnum::Vector3 position) {
@@ -20,3 +31,9 @@ Magnum::Vector3 Sound::GetPosition() {
 }
 void Sound::SetVolume(float value) { ma_sound_set_volume(&maSound, value); }
 float Sound::GetVolume() { return ma_sound_get_volume(&maSound); }
+
+// STATICs
+void Sound::onSoundFinish(void *customData, ma_sound *) {
+  auto sound = static_cast<Sound *>(customData);
+  sound->state = SoundState::Finished;
+}