96 lines
3.5 KiB
C#
96 lines
3.5 KiB
C#
using System.Collections.Generic;
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using Ichni.Story.Dialogue;
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using TMPro;
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using UnityEngine;
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namespace Ichni.Story.UI
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{
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/// <summary>
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/// 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。
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/// </summary>
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public class TextBlockView : StoryBlockView
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{
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[Header("Text Block")]
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public TMP_Text storyIdText;
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public TMP_Text titleText;
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[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")]
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public Dictionary<StoryBlockState, GameObject> blockVisuals = new Dictionary<StoryBlockState, GameObject>();
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/// <summary>该文本块对应的 Yarn 节点名。</summary>
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public string YarnNodeName { get; private set; }
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// 当前已实例化的状态背景对象；状态切换时销毁并替换
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private GameObject _currentVisual;
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public override void Initialize(StoryBlockDefinition def, Vector2 position, StoryBlockState blockState)
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{
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// 注意：base.Initialize 末尾会调用 ApplyState(state)，届时已生成对应背景
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base.Initialize(def, position, blockState);
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YarnNodeName = def.yarnNodeName;
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if (storyIdText != null)
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storyIdText.text = def.blockId;
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// 阶段 5 将接入 Unity Localization；此处占位直接显示 titleKey
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if (titleText != null)
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titleText.text = def.titleKey;
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}
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/// <summary>
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/// 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。
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/// </summary>
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public override void ApplyState(StoryBlockState newState)
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{
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base.ApplyState(newState);
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UpdateVisual(newState);
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}
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/// <summary>
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/// 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），
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/// 并拉伸铺满整个 block。状态切换时先销毁旧背景。
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/// </summary>
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private void UpdateVisual(StoryBlockState newState)
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{
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if (_currentVisual != null)
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{
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Destroy(_currentVisual);
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_currentVisual = null;
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}
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if (blockVisuals == null ||
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!blockVisuals.TryGetValue(newState, out GameObject prefab) ||
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prefab == null)
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{
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Debug.LogWarning($"[TextBlockView] block '{blockId}' 缺少状态 {newState} 的背景预制体（blockVisuals 未配置）。");
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return;
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}
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_currentVisual = Instantiate(prefab, blockRect);
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_currentVisual.transform.SetAsFirstSibling();
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// 背景铺满整个 block
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if (_currentVisual.transform is RectTransform visualRect)
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{
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visualRect.anchorMin = Vector2.zero;
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visualRect.anchorMax = Vector2.one;
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visualRect.offsetMin = Vector2.zero;
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visualRect.offsetMax = Vector2.zero;
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visualRect.localScale = Vector3.one;
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}
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}
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protected override void OnClicked()
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{
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if (StoryDialogueController.instance == null)
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{
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Debug.LogWarning($"[TextBlockView] 场景中缺少 StoryDialogueController，无法播放 block '{blockId}' 的对话。");
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return;
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}
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StoryDialogueController.instance.PlayBlock(this);
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}
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}
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}
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