Passion & UI

Assets/Scripts/MainGame/UI/Common/InteractionPage/InteractionUIArea.cs

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+using System.Collections.Generic;
+using Cielonos.Core.Interaction;
+using DG.Tweening;
+using Sirenix.OdinInspector;
+using SLSUtilities.UI;
+using UnityEngine;
+
+namespace Cielonos.UI
+{
+    /// <summary>
+    /// 交互选项列表 UI 页面。
+    /// 玩家进入可交互物体范围时由 PlayerInteractionSubcontroller 调用 Show()，离开时调用 Hide()。
+    /// 当选项数量为 1 时，直接显示单个选项而不需要导航；
+    /// 当选项数量大于 1 时，玩家可用鼠标滚轮或上/下键切换高亮选项，R 键执行。
+    /// </summary>
+    public class InteractionUIArea : UIElementBase
+    {
+        [Title("容器")]
+        [Tooltip("单个选项条目的预制体，需包含 InteractionChoiceItem 组件。")]
+        [SerializeField] private GameObject choiceItemPrefab;
+
+        [Tooltip("选项条目的父节点（Layout Group）。")]
+        [SerializeField] private RectTransform choiceContainer;
+
+        private readonly List<InteractionChoiceItem> _items = new List<InteractionChoiceItem>();
+
+        private void Start()
+        {
+            Hide();
+        }
+
+        // ====================================================================
+        // 对外接口
+        // ====================================================================
+
+        /// <summary>
+        /// 显示选项列表并高亮指定索引的选项。
+        /// 由 PlayerInteractionSubcontroller.SetCurrentInteractable() 调用。
+        /// </summary>
+        public void Show(List<InteractionChoice> choices, int selectedIndex)
+        {
+            gameObject.SetActive(true);
+            canvasGroup.DOFade(1f, 0.25f).From(0).OnComplete(() =>
+            {
+                canvasGroup.interactable = true;
+                canvasGroup.blocksRaycasts = true;
+            }).Play();
+            rectTransform.DOLocalMoveY(-50f, 0.25f).From(-250f).Play();
+            ClearItems();
+
+            if (choices == null || choices.Count == 0)
+            {
+                gameObject.SetActive(false);
+                return;
+            }
+
+            foreach (InteractionChoice choice in choices)
+            {
+                InteractionChoiceItem item = CreateItem();
+                if (item != null)
+                {
+                    item.Setup(choice.choiceName, choice.isInteractable);
+                }
+            }
+
+            UpdateHighlight(selectedIndex);
+        }
+
+        /// <summary>
+        /// 更新高亮选项。由 PlayerInteractionSubcontroller.NavigateChoice() 调用。
+        /// </summary>
+        public void UpdateHighlight(int selectedIndex)
+        {
+            for (int i = 0; i < _items.Count; i++)
+            {
+                _items[i].SetHighlighted(i == selectedIndex);
+            }
+        }
+
+        /// <summary>
+        /// 隐藏选项列表。由 PlayerInteractionSubcontroller.RemoveCurrentInteractable() 调用。
+        /// </summary>
+        public override void Hide()
+        {
+            canvasGroup.interactable = false;
+            canvasGroup.blocksRaycasts = false;
+            canvasGroup.DOFade(0f, 0.25f).OnComplete(() =>
+            {
+                ClearItems(); 
+                gameObject.SetActive(false);
+            }).Play();
+            rectTransform.DOLocalMoveY(-250f, 0.25f).Play();
+        }
+
+        // ====================================================================
+        // 内部工具
+        // ====================================================================
+
+        private InteractionChoiceItem CreateItem()
+        {
+            if (choiceItemPrefab == null || choiceContainer == null)
+            {
+                Debug.LogError("[InteractionUIPage] choiceItemPrefab 或 choiceContainer 未在 Inspector 中配置。");
+                return null;
+            }
+
+            GameObject go = Instantiate(choiceItemPrefab, choiceContainer);
+            InteractionChoiceItem item = go.GetComponent<InteractionChoiceItem>();
+
+            if (item == null)
+            {
+                Debug.LogError("[InteractionUIPage] choiceItemPrefab 缺少 InteractionChoiceItem 组件。");
+                Destroy(go);
+                return null;
+            }
+
+            _items.Add(item);
+            return item;
+        }
+
+        private void ClearItems()
+        {
+            foreach (InteractionChoiceItem item in _items)
+            {
+                if (item != null) Destroy(item.gameObject);
+            }
+            _items.Clear();
+        }
+    }
+}