aibis-dream/Assets/Scripts/UI/Terminal/TerminalUIAudioBehaviour.cs

using AibisDream;
using UnityEngine;

namespace AibisDream.UI
{
    [RequireComponent(typeof(BaseButton))]
    [DisallowMultipleComponent]
    public class TerminalUIAudioBehaviour : MonoBehaviour
    {
        private BaseButton _button;
        private SelectionType _prevState = SelectionType.Normal;

        private void Awake()
        {
            if (TryGetComponent<TerminalButton>(out _))
            {
                enabled = false;
                return;
            }

            _button = GetComponent<BaseButton>();
            _button.onStateTransition.AddListener(OnStateTransition);
            _button.onClick.AddListener(OnClick);
        }

        private void OnDestroy()
        {
            if (_button == null)
            {
                return;
            }

            _button.onStateTransition.RemoveListener(OnStateTransition);
            _button.onClick.RemoveListener(OnClick);
        }

        private void OnStateTransition(SelectionType state, bool instant)
        {
            if (_button.interactable
                && state == SelectionType.Highlighted
                && _prevState == SelectionType.Normal)
            {
                TerminalUIAudio.NotifyHover();
            }

            _prevState = state;
        }

        private void OnClick()
        {
            if (_button != null && _button.interactable)
            {
                TerminalUIAudio.NotifyClick();
            }
        }
    }
}