audio settings

src/engine.cpp

@@ -56,7 +56,7 @@ Engine::Engine(EngineSettings& settings, EnginePaths* paths)
     if (Window::initialize(settings.display)){
         throw initialize_error("could not initialize window");
     }
-    audio::initialize(true);
+    audio::initialize(settings.audio.enabled);
     audio::create_channel("regular");
     audio::create_channel("music");
     audio::create_channel("ambient");

src/files/settings_io.cpp

@@ -13,6 +13,15 @@
 
 toml::Wrapper* create_wrapper(EngineSettings& settings) {
     std::unique_ptr<toml::Wrapper> wrapper (new toml::Wrapper());
+
+    toml::Section& audio = wrapper->add("audio");
+    audio.add("enabled", &settings.audio.enabled);
+    audio.add("volume-master", &settings.audio.volumeMaster);
+    audio.add("volume-regular", &settings.audio.volumeRegular);
+    audio.add("volume-ui", &settings.audio.volumeUI);
+    audio.add("volume-ambient", &settings.audio.volumeAmbient);
+    audio.add("volume-music", &settings.audio.volumeMusic);
+
     toml::Section& display = wrapper->add("display");
     display.add("fullscreen", &settings.display.fullscreen);
     display.add("width", &settings.display.width);

src/settings.h

@@ -6,6 +6,17 @@
 #include "constants.h"
 #include "typedefs.h"
 
+struct AudioSettings {
+    /// @brief try to initialize AL backend
+    bool enabled = true;
+    
+    float volumeMaster = 1.0f;
+    float volumeRegular = 1.0f;
+    float volumeUI = 1.0f;
+    float volumeAmbient = 1.0f;
+    float volumeMusic = 1.0f;
+};
+
 struct DisplaySettings {
     /// @brief Is window in full screen mode
     bool fullscreen = false;
@@ -67,6 +78,7 @@ struct UiSettings {
 };
 
 struct EngineSettings {
+    AudioSettings audio;
     DisplaySettings display;
     ChunksSettings chunks;
     CameraSettings camera;