ui/Runtime/SoundConfigurationsUI.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Audio;
using Sirenix.OdinInspector;
using KairoEngine.Core;

namespace KairoEngine.UI
{
    public class SoundConfigurationsUI : MonoBehaviour
    {
        public AudioMixerGroup masterMixer;
        public Slider masterVolumeSlider;
        public string masterVolumeName = "masterVolume";

        public Slider musicVolumeSlider;
        public string musicVolumeName = "musicVolume";

        public Slider sfxVolumeSlider;
        public string sfxVolumeName = "sfxVolume";

        float masterVolume = 1;
        float musicVolume = 1;
        float sfxVolume = 1;

        Coroutine delayedSave;
        
        public void OnEnable()
        {
            masterVolumeSlider.onValueChanged.AddListener(delegate {UpdateMasterVolume(); });
            musicVolumeSlider.onValueChanged.AddListener(delegate {UpdateMusicVolume(); });
            sfxVolumeSlider.onValueChanged.AddListener(delegate {UpdateSfxVolume(); });
        }

        void OnDisable()
        {
            masterVolumeSlider.onValueChanged.RemoveListener(delegate {UpdateMasterVolume(); });
            musicVolumeSlider.onValueChanged.RemoveListener(delegate {UpdateMusicVolume(); });
            sfxVolumeSlider.onValueChanged.RemoveListener(delegate {UpdateSfxVolume(); });
        }

        private void UpdateMasterVolume() =>  UpdateVolume(masterVolumeName, masterVolumeSlider, ref masterVolume); 
        private void UpdateMusicVolume() =>  UpdateVolume(musicVolumeName, musicVolumeSlider, ref musicVolume);
        private void UpdateSfxVolume() =>  UpdateVolume(sfxVolumeName, sfxVolumeSlider, ref sfxVolume);

        void Start() => LoadConfig();

        void UpdateVolume(string volumeName, Slider slider, ref float volume)
        {
            masterMixer.audioMixer.SetFloat(volumeName, Mathf.Log10(slider.value) * 20);
            volume = slider.value;
            if(delayedSave != null) StopCoroutine(delayedSave);
            delayedSave = StartCoroutine(Timer.StartRealtime(2f, SaveConfig));
        }

        void LoadConfig()
        {
            masterVolume = PlayerPrefs.GetFloat("MasterVolume", masterVolume);
            musicVolume = PlayerPrefs.GetFloat("MusicVolume", musicVolume);
            sfxVolume = PlayerPrefs.GetFloat("SFXVolume", sfxVolume);
            masterVolumeSlider.value = masterVolume;
            musicVolumeSlider.value = musicVolume;
            sfxVolumeSlider.value = sfxVolume;
            masterMixer.audioMixer.SetFloat(masterVolumeName, Mathf.Log10(masterVolume) * 20);
            masterMixer.audioMixer.SetFloat(musicVolumeName, Mathf.Log10(musicVolume) * 20);
            masterMixer.audioMixer.SetFloat(sfxVolumeName, Mathf.Log10(sfxVolume) * 20);
        }

        void SaveConfig()
        {
            PlayerPrefs.SetFloat("MasterVolume", masterVolume);
            PlayerPrefs.SetFloat("MusicVolume", musicVolume);
            PlayerPrefs.SetFloat("SFXVolume", sfxVolume);
            Debug.Log($"Master: {masterVolume} | Music: {musicVolume} | SFX: {sfxVolume}");
        }

    }
}