Added settings.ini

src/states/OptionsState.cpp

@@ -6,6 +6,7 @@
 #include <SDL3/SDL.h>
 #include <algorithm>
 #include <cctype>
+#include "../core/Settings.h"
 
 OptionsState::OptionsState(StateContext& ctx) : State(ctx) {}
 
@@ -233,18 +234,36 @@ void OptionsState::toggleFullscreen() {
     if (ctx.fullscreenFlag) {
         *ctx.fullscreenFlag = nextState;
     }
+    // Save setting
+    Settings::instance().setFullscreen(nextState);
+    Settings::instance().save();
 }
 
 void OptionsState::toggleMusic() {
     Audio::instance().toggleMute();
+    // If muted, music is disabled. If not muted, music is enabled.
+    // Note: Audio::instance().isMuted() returns true if muted.
+    // But Audio class doesn't expose isMuted directly in header usually?
+    // Let's assume toggleMute toggles internal state.
+    // We can track it via ctx.musicEnabled if it's synced.
+    
+    bool enabled = true;
     if (ctx.musicEnabled) {
         *ctx.musicEnabled = !*ctx.musicEnabled;
+        enabled = *ctx.musicEnabled;
     }
+    
+    // Save setting
+    Settings::instance().setMusicEnabled(enabled);
+    Settings::instance().save();
 }
 
 void OptionsState::toggleSoundFx() {
     bool next = !SoundEffectManager::instance().isEnabled();
     SoundEffectManager::instance().setEnabled(next);
+    // Save setting
+    Settings::instance().setSoundEnabled(next);
+    Settings::instance().save();
 }
 
 void OptionsState::exitToMenu() {