137 lines
5.8 KiB
C#
137 lines
5.8 KiB
C#
using Ichni;
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using Ichni.Menu;
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using TMPro;
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using UnityEngine;
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using UnityEngine.UI;
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namespace Ichni.Story.UI
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{
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/// <summary>
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/// 剧情树中的歌曲 Block 视图。
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/// 它只保存 <see cref="StoryBlockDefinition.songName"/> 这一个稳定歌曲标识；歌曲名称、作曲者与插画
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/// 均从当前章节的 <see cref="SongItemData"/> 读取，避免 StoryData 与选曲资料出现两份可漂移的数据。
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/// 点击后切换到选曲并自动选中对应歌曲的流程将在后续阶段接入。
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/// </summary>
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public class SongBlockView : StoryBlockView
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{
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[Header("Song Block")]
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[Tooltip("Mask 下的 16:9 插画 Image。Sprite 由当前章节的 SongItemData.illustration 提供。")]
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public Image illustrationImage;
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[Tooltip("illustrationImage 对应的 RectTransform。仅修改其 anchoredPosition.y 以完成纵向裁切。")]
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public RectTransform illustrationRect;
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public TMP_Text songNameText;
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public TMP_Text composerText;
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[Tooltip("歌曲或剧情 Block 不可进入时显示的遮罩节点。")]
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public GameObject lockOverlay;
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private ChapterSelectionUnit _chapter;
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private SongItemData _song;
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private bool _canEnterSong;
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public override void Initialize(StoryBlockDefinition def, Vector2 position, StoryBlockState blockState)
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{
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base.Initialize(def, position, blockState);
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if (TryResolveSong(out _chapter, out _song))
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{
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illustrationImage.sprite = _song.illustration;
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songNameText.text = _song.displaySongName;
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composerText.text = _song.composer;
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}
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else
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{
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// 配置错误时保留稳定 ID 以便定位问题，同时锁定 Block，避免从剧情页绕过内容授权。
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illustrationImage.sprite = null;
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songNameText.text = def.songName;
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composerText.text = string.Empty;
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}
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// 数据存储的是最终 local Y，而非叠加在 Prefab 默认位置上的偏移量。
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// Clamp 仍保留作为运行时防线：即使旧资产或外部工具写入越界值，也不会在 Mask 边缘露出空白。
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Vector2 illustrationPosition = illustrationRect.anchoredPosition;
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illustrationPosition.y = Mathf.Clamp(def.illustrationLocalY, -74.25f, 74.25f);
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illustrationRect.anchoredPosition = illustrationPosition;
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ApplyState(blockState);
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}
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/// <summary>
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/// StoryBlock 的剧情状态和歌曲的内容解锁状态必须同时满足，才能真正点击进入歌曲。
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/// <see cref="UnlockSaveModule.CanEnterSong"/> 复用选曲页面的统一授权判断，防止 Story SongBlock 成为绕过入口。
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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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bool storyAllowsInteraction = state != StoryBlockState.Locked && state != StoryBlockState.Forbidden;
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_canEnterSong = _chapter != null && _song != null &&
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GameSaveManager.instance != null &&
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GameSaveManager.instance.UnlockSaveModule != null &&
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GameSaveManager.instance.UnlockSaveModule.CanEnterSong(_chapter, _song);
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bool canInteract = storyAllowsInteraction && _canEnterSong;
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button.interactable = canInteract;
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lockOverlay.SetActive(!canInteract);
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}
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/// <summary>
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/// 根据正在构建的剧情章节索引定位歌曲，而不是盲目信任 currentChapter。
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/// 这样即使未来从其它页面直接打开 StoryData，也不会把同名歌曲解析到上一次残留的章节中。
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/// </summary>
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private bool TryResolveSong(out ChapterSelectionUnit chapter, out SongItemData song)
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{
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chapter = null;
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song = null;
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string chapterIndex = StoryManager.instance?.treeController?.ActiveChapterIndex;
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ChapterSelectionManager chapterManager = ChapterSelectionManager.instance;
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if (string.IsNullOrEmpty(chapterIndex) || chapterManager == null)
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{
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Debug.LogWarning($"[SongBlockView] 无法解析歌曲 Block '{blockId}'：当前章节或 ChapterSelectionManager 不可用。");
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return false;
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}
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foreach (ChapterSelectionUnit candidate in chapterManager.chapters)
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{
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if (candidate != null && candidate.chapterIndex == chapterIndex)
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{
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chapter = candidate;
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break;
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}
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}
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if (chapter == null)
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{
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Debug.LogWarning($"[SongBlockView] 无法解析歌曲 Block '{blockId}'：找不到章节 '{chapterIndex}' 的 ChapterSelectionUnit。");
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return false;
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}
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foreach (SongItemData candidate in chapter.songs)
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{
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if (candidate != null && candidate.songName == definition.songName)
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{
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song = candidate;
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return true;
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}
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}
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Debug.LogWarning($"[SongBlockView] 无法解析歌曲 Block '{blockId}'：章节 '{chapterIndex}' 中不存在歌曲 ID '{definition.songName}'。");
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return false;
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}
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protected override void OnClicked()
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{
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if (!_canEnterSong)
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{
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return;
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}
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// 占位：后续接入曲目选择流程
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Debug.Log($"[SongBlockView] 点击音乐块 '{blockId}' (song='{definition.songName}')。占位实现，曲目选择将在后续阶段接入。");
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}
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}
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}
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