Cielonos/Assets/Scripts/Core/Interaction/InteractableObjectBase.cs

using System;
using System.Collections.Generic;
using Cielonos.MainGame;
using SickscoreGames.HUDNavigationSystem;
using Sirenix.OdinInspector;
using UnityEngine;

namespace Cielonos.Core.Interaction
{
    public partial class InteractableObjectBase : SerializedMonoBehaviour
    {
        public InteractionTrigger interactionTrigger;
        public HUDNavigationElement navigation;
        
        [HideInInspector]
        public List<InteractionChoice> choices;
        
        /// <summary>标记该交互物是否已使用/耗尽，若为 true，则不再允许交互且不会因为战斗结束而被重新激活。</summary>
        public bool isExhausted = false;

        protected virtual void OnEnable()
        {
            // 监听全局游戏阶段变化，以在战斗开始/结束时自动锁定/解锁交互
            if (RunManager.Instance != null)
            {
                RunManager.Instance.OnPhaseChanged += HandlePhaseChanged;
                HandlePhaseChanged(RunManager.Instance.currentPhase);
            }
        }

        protected virtual void OnDisable()
        {
            // 注销游戏阶段监听，避免内存泄漏
            if (RunManager.Instance != null)
            {
                RunManager.Instance.OnPhaseChanged -= HandlePhaseChanged;
            }
        }

        /// <summary>处理游戏阶段变化的监听回调，在战斗期间禁用交互，战斗外启用。</summary>
        private void HandlePhaseChanged(RunPhase phase)
        {
            if (isExhausted) return;

            // 如果当前处于战斗或Boss战阶段，则禁止交互；否则开启交互
            bool isCombat = phase == RunPhase.InCombat || phase == RunPhase.InBoss;
            SetInteractable(!isCombat);
        }

        private void Awake()
        {
            choices = new List<InteractionChoice>();
            InitializeChoices();
        }
    }

    public partial class InteractableObjectBase
    {
        protected virtual void InitializeChoices()
        {
            // Override in derived classes to set up interaction choices
        }
        
        public virtual void EnterTriggerAction()
        {
            navigation.showIndicator = true;
            navigation.useIndicatorDistanceText = false;
        }

        public virtual void ExitTriggerAction()
        {
            navigation.showIndicator = false;
        }

        /// <summary>
        /// 运行时启用或禁用此可交互对象。
        /// 禁用后：触发区碰撞体关闭，HUD 指示器隐藏，choices 不再注册给玩家。
        /// 用于单次使用节点（MechanicalTable、MedicalStation）使用完毕后的 Exhausted 状态。
        /// </summary>
        public void SetInteractable(bool enabled)
        {
            interactionTrigger.GetComponent<Collider>().enabled = enabled;
            navigation.showIndicator = enabled && navigation.showIndicator;
            
            if (!enabled)
            {
                var player = MainGameManager.Player;
                if (player != null && player.interactionSc != null && player.interactionSc.currentInteractable == this)
                {
                    // 从玩家的选择列表中移除此物体的所有选项，防止残留选项造成后续按 R 键误触发
                    foreach (var choice in choices)
                    {
                        player.interactionSc.currentChoices.Remove(choice);
                    }
                    // 清除控制器引用的当前交互对象，并隐藏 UI Area
                    player.interactionSc.RemoveCurrentInteractable(this);
                }
            }
        }

        /// <summary>
        /// 将此交互对象永久标记为"已耗尽"（单次使用后），并禁用交互。
        /// 处于耗尽状态的对象不会因为脱离战斗状态而重新启用交互。
        /// </summary>
        public virtual void SetExhausted()
        {
            isExhausted = true;
            SetInteractable(false);
        }
    }
    
#if UNITY_EDITOR
    public partial class InteractableObjectBase
    {
        private void Reset()
        {
            Setup();
        }
        
        private void Setup()
        {
            if (interactionTrigger == null)
            {
                interactionTrigger = GetComponentInChildren<InteractionTrigger>();
                interactionTrigger.interactableObject = this;
            }

            if (navigation == null)
            {
                navigation = GetComponentInChildren<HUDNavigationElement>();
            }
        }
    }
#endif
    
    public class InteractionChoice
    {
        public string choiceName;
        public Action action;
        /// <summary>
        /// 此选项是否可执行。false 时 UI 灰显，按下 R 键也不会触发 action。
        /// </summary>
        public bool isInteractable;

        public InteractionChoice(string name, Action action, bool isInteractable = true)
        {
            this.choiceName = name;
            this.action = action;
            this.isInteractable = isInteractable;
        }
    }
}