feat(audio): integrate OpenAL audio engine with WAV/MP3/FLAC support

src/audio/audio_engine.cpp

@@ -0,0 +1,46 @@
+#include "Cubed/audio/audio_engine.hpp"
+
+#include "Cubed/tools/log.hpp"
+
+#include <stdexcept>
+namespace Cubed {
+AudioEngine::AudioEngine() {};
+
+AudioEngine::~AudioEngine() {
+    if (!m_init) {
+        return;
+    }
+
+    m_bgm.reset();
+    m_sounds.clear();
+
+    alcMakeContextCurrent(nullptr);
+    alcDestroyContext(context);
+    alcCloseDevice(device);
+}
+
+void AudioEngine::init() {
+    device = alcOpenDevice(NULL);
+    if (!device) {
+        throw std::runtime_error("Failed to open OpenAL device.");
+    }
+    context = alcCreateContext(device, nullptr);
+
+    if (!context) {
+        throw std::runtime_error("Failed to create OpenAL context.");
+    }
+    alcMakeContextCurrent(context);
+
+    m_sounds.init();
+    m_bgm = std::make_unique<AudioSource>();
+    m_bgm->set_buffer(m_sounds.get_buffer("bgm/bgm001.mp3"));
+    Logger::info("Audio Engine Init Success");
+
+    m_init = true;
+}
+
+void AudioEngine::play_bgm() { m_bgm->play(); }
+
+void AudioEngine::update(glm::vec3 listener_pos) {}
+
+} // namespace Cubed