Storyline+Dialog初步

Assets/Scripts/NewStorySystem/Tree/TextBlockView.cs

@@ -0,0 +1,95 @@
+using System.Collections.Generic;
+using Ichni.Story.Dialogue;
+using TMPro;
+using UnityEngine;
+
+namespace Ichni.Story.UI
+{
+    /// <summary>
+    /// 文本块视图。点击后（阶段 2）将通过 Yarn Spinner 进入对应节点的对话。
+    /// </summary>
+    public class TextBlockView : StoryBlockView
+    {
+        [Header("Text Block")] 
+        public TMP_Text storyIdText;
+        public TMP_Text titleText;
+
+        [Tooltip("三种状态对应的背景预制体，生成 block 时按当前状态实例化为第一个子物体")]
+        public Dictionary<StoryBlockState, GameObject> blockVisuals = new Dictionary<StoryBlockState, GameObject>();
+
+        /// <summary>该文本块对应的 Yarn 节点名。</summary>
+        public string YarnNodeName { get; private set; }
+
+        // 当前已实例化的状态背景对象；状态切换时销毁并替换
+        private GameObject _currentVisual;
+
+        public override void Initialize(StoryBlockDefinition def, Vector2 position, StoryBlockState blockState)
+        {
+            // 注意：base.Initialize 末尾会调用 ApplyState(state)，届时已生成对应背景
+            base.Initialize(def, position, blockState);
+
+            YarnNodeName = def.yarnNodeName;
+
+            if (storyIdText != null)
+                storyIdText.text = def.blockId;
+
+            // 阶段 5 将接入 Unity Localization；此处占位直接显示 titleKey
+            if (titleText != null)
+                titleText.text = def.titleKey;
+        }
+
+        /// <summary>
+        /// 应用状态：在基类逻辑（按钮可交互性）之外，切换到对应状态的背景视觉。
+        /// </summary>
+        public override void ApplyState(StoryBlockState newState)
+        {
+            base.ApplyState(newState);
+            UpdateVisual(newState);
+        }
+
+        /// <summary>
+        /// 按当前状态实例化对应的背景预制体，作为第一个子物体（位于文本/端口/按钮之下），
+        /// 并拉伸铺满整个 block。状态切换时先销毁旧背景。
+        /// </summary>
+        private void UpdateVisual(StoryBlockState newState)
+        {
+            if (_currentVisual != null)
+            {
+                Destroy(_currentVisual);
+                _currentVisual = null;
+            }
+
+            if (blockVisuals == null ||
+                !blockVisuals.TryGetValue(newState, out GameObject prefab) ||
+                prefab == null)
+            {
+                Debug.LogWarning($"[TextBlockView] block '{blockId}' 缺少状态 {newState} 的背景预制体（blockVisuals 未配置）。");
+                return;
+            }
+
+            _currentVisual = Instantiate(prefab, blockRect);
+            _currentVisual.transform.SetAsFirstSibling();
+
+            // 背景铺满整个 block
+            if (_currentVisual.transform is RectTransform visualRect)
+            {
+                visualRect.anchorMin = Vector2.zero;
+                visualRect.anchorMax = Vector2.one;
+                visualRect.offsetMin = Vector2.zero;
+                visualRect.offsetMax = Vector2.zero;
+                visualRect.localScale = Vector3.one;
+            }
+        }
+
+        protected override void OnClicked()
+        {
+            if (StoryDialogueController.instance == null)
+            {
+                Debug.LogWarning($"[TextBlockView] 场景中缺少 StoryDialogueController，无法播放 block '{blockId}' 的对话。");
+                return;
+            }
+
+            StoryDialogueController.instance.PlayBlock(this);
+        }
+    }
+}