Making sound constructor more generalised(probably will make it public soon)

src/Sound.cpp

@@ -1,20 +1,18 @@
 #include "ChargeAudio.hpp"
 #include <Magnum/Magnum.h>
 #include <Magnum/Math/Vector3.h>
+
+#include <functional>
 #include <stdexcept>
 
 using namespace ChargeAudio;
-Sound::Sound(Engine *engine) : baseEngine(engine) {
+Sound::Sound(Engine *engine, std::function<void(Sound *)> setupFunction,
+             std::string additionalErrorMessage)
+    : baseEngine(engine) {
   maConfig = ma_sound_config_init_2(&baseEngine->maEngine);
   maConfig.endCallback = Sound::onSoundFinish;
   maConfig.pEndCallbackUserData = this;
-}
-
-Sound::~Sound() { ma_sound_uninit(&maSound); }
-
-Sound::SoundState Sound::GetState() { return state; }
-
-void Sound::init(std::string additionalErrorMessage) {
+  setupFunction(this);
   ma_result maResponse =
       ma_sound_init_ex(&baseEngine->maEngine, &maConfig, &maSound);
   if (maResponse != MA_SUCCESS) {
@@ -26,6 +24,9 @@ void Sound::init(std::string additionalErrorMessage) {
   }
 }
 
+Sound::~Sound() { ma_sound_uninit(&maSound); }
+Sound::SoundState Sound::GetState() { return state; }
+
 // Controls
 void Sound::Play() {
   ma_sound_start(&maSound);