391 lines
16 KiB
C#
391 lines
16 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using Ichni.Story.UI;
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using Sirenix.OdinInspector;
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using UniRx;
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using UnityEngine;
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namespace Ichni.Story
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{
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/// <summary>
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/// 故事树控制器。从 <see cref="StoryData"/> 一次性全量构建所有 block 视图与连接线，
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/// 布局由每个 block 的 (gridColumn, gridRow) 静态决定；每个 block 的
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/// <see cref="StoryBlockState"/> 由"已完成集合 + 解锁条件"实时推导。
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/// 存档只保存已完成 block 的 id 集合。
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/// </summary>
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public class StoryTreeController : MonoBehaviour
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{
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[Header("UI References")]
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[Tooltip("blocks 与 connectors 共用的单一容器（即 ScrollRect 的 content，localScale 必须为 1）")]
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public RectTransform content;
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public GameObject textBlockPrefab;
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public GameObject songBlockPrefab;
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public GameObject tutorialBlockPrefab;
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public GameObject connectorPrefab;
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[Header("Layout Settings")]
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[Tooltip("网格单元格尺寸（决定相邻列/行的步距，全局统一）")]
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public Vector2 cellSize = new Vector2(400f, 200f);
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[Tooltip("相邻单元格之间的间隔（水平 x、垂直 y）")]
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public Vector2 cellSpacing = new Vector2(120f, 150f);
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public float marginLeft = 50f;
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public float marginRight = 50f;
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public float marginTop = 50f;
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public float marginBottom = 50f;
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public float minContentWidth = 2560f;
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public float minContentHeight = 1440f;
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[Header("Runtime")]
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public StoryBlockView currentBlock;
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public List<StoryBlockView> blocks = new List<StoryBlockView>();
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public List<BlockConnectorView> connectors = new List<BlockConnectorView>();
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private string _chapterIndex;
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private StoryData _storyData;
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/// <summary>当前已构建章节的 StoryData（供对话控制器切换 YarnProject 等使用）。</summary>
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public StoryData ActiveStoryData => _storyData;
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/// <summary>当前已构建章节的索引。</summary>
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public string ActiveChapterIndex => _chapterIndex;
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// 当前章节已完成的 block id 集合（状态推导的唯一进度来源）
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private readonly HashSet<string> _completed = new HashSet<string>();
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private void Start()
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{
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// 存档系统未就绪时跳过；正式流程由 StoryManager.OpenChapter 在进入剧情页时触发构建。
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if (GameSaveManager.instance == null || GameSaveManager.instance.StorySaveModule == null)
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return;
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if (ChapterSelectionManager.instance != null &&
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ChapterSelectionManager.instance.currentChapter != null)
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{
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BuildChapter(ChapterSelectionManager.instance.currentChapter.chapterIndex);
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}
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}
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// ── Build ─────────────────────────────────────────────────────────────────
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/// <summary>
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/// 构建指定章节的故事树：全量生成所有 block 与连接线，状态由存档中的已完成集合推导。
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/// </summary>
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public void BuildChapter(string chapterIndex)
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{
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_chapterIndex = chapterIndex;
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_storyData = StoryManager.instance != null ? StoryManager.instance.GetStoryData(chapterIndex) : null;
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if (_storyData == null)
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{
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Debug.LogError($"[StoryTreeController] 找不到章节 '{chapterIndex}' 的 StoryData，请在 StoryManager.storyDatas 中登记。");
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return;
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}
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if (GameSaveManager.instance == null || GameSaveManager.instance.StorySaveModule == null)
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{
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Debug.LogWarning("[StoryTreeController] 存档系统尚未就绪（GameSaveManager.StorySaveModule 为空），跳过构建。");
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return;
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}
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ClearTree();
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// 载入已完成集合（新章节为空）
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ChapterStorySave save = GameSaveManager.instance.StorySaveModule.GetChapter(chapterIndex);
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_completed.Clear();
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foreach (string id in save.completedBlockIds)
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_completed.Add(id);
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// 全量生成所有 block（位置按网格换算，状态按已完成集合 + 解锁条件推导）
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foreach (StoryBlockDefinition def in _storyData.blocks)
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GenerateBlock(def);
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// 全量生成所有连接线
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foreach (StoryBlockDefinition def in _storyData.blocks)
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foreach (string nextId in def.nextBlockIds)
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GenerateConnector(def.blockId, nextId);
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SetUpBackground();
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// 连线在下一帧刷新（见 RefreshConnectors）：等待 Unity 完成 Canvas 布局，
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// 使 block 端口的世界坐标稳定，避免端口坐标尚未生效时塌缩到同一点。
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RefreshConnectors();
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}
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// ── Generation ──────────────────────────────────────────────────────────
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/// <summary>
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/// 按定义生成一个 block 视图：位置由网格换算，状态由推导得出。
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/// </summary>
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public StoryBlockView GenerateBlock(StoryBlockDefinition def)
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{
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GameObject prefab = def.blockType switch
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{
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StoryBlockType.Text => textBlockPrefab,
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StoryBlockType.Song => songBlockPrefab,
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StoryBlockType.Tutorial => tutorialBlockPrefab,
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_ => null
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};
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if (prefab == null)
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{
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Debug.LogError($"[StoryTreeController] block 类型 {def.blockType} 未配置预制体。");
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return null;
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}
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StoryBlockView view = Instantiate(prefab, content).GetComponent<StoryBlockView>();
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if (view == null)
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{
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Debug.LogError($"[StoryTreeController] 预制体 '{prefab.name}' 缺少 StoryBlockView 组件。");
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return null;
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}
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view.Initialize(def, GetGridPosition(def), DeriveState(def));
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blocks.Add(view);
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return view;
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}
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/// <summary>
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/// 在两个已存在的 block 之间生成连接线。
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/// </summary>
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public void GenerateConnector(string fromBlockId, string toBlockId)
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{
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StoryBlockView from = GetBlockView(fromBlockId);
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StoryBlockView to = GetBlockView(toBlockId);
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if (from == null || to == null)
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{
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Debug.LogWarning($"[StoryTreeController] 无法连线：'{fromBlockId}' -> '{toBlockId}'（block 不存在）。");
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return;
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}
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// 连接线与 block 同处一个容器（content）；置为第一个子物体，渲染在所有 block 之后方。
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GameObject connectorObject = Instantiate(connectorPrefab, content);
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connectorObject.transform.SetAsFirstSibling();
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BlockConnectorView connector = connectorObject.GetComponent<BlockConnectorView>();
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if (connector == null)
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{
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Debug.LogError($"[StoryTreeController] 连接线预制体 '{connectorPrefab.name}' 缺少 BlockConnectorView 组件。");
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Destroy(connectorObject);
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return;
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}
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// 仅记录起止 block 引用；曲线在布局刷新后由 RefreshConnectors 统一计算。
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connector.startBlock = from;
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connector.endBlock = to;
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connectors.Add(connector);
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}
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// ── State / Unlocking ─────────────────────────────────────────────────────
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/// <summary>
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/// 依据"已完成集合 + 解锁条件"推导单个 block 的状态。
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/// 已完成 → Completed；否则满足解锁条件 → Current；否则 → Locked。
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/// 解锁条件为空视为无条件满足（章节起始即为 Current）。
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/// </summary>
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private StoryBlockState DeriveState(StoryBlockDefinition def)
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{
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if (_completed.Contains(def.blockId))
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return StoryBlockState.Completed;
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if (def.unlockCondition.IsSatisfied(GetVariable, IsBlockCompleted))
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return StoryBlockState.Current;
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return StoryBlockState.Locked;
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}
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/// <summary>
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/// 重新推导并应用所有 block 的状态（在完成某 block 或变量变化后调用）。
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/// </summary>
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public void RefreshAllStates()
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{
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foreach (StoryBlockView view in blocks)
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{
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StoryBlockDefinition def = _storyData.GetBlock(view.blockId);
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if (def == null) continue;
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view.ApplyState(DeriveState(def));
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}
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}
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/// <summary>
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/// 标记某 block 完成，推导重算并保存。对话系统（阶段 2）在对话结束时调用。
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/// </summary>
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public void OnBlockCompleted(string blockId)
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{
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if (!_completed.Add(blockId))
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return; // 已完成，无需处理
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RefreshAllStates();
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SaveChapter();
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}
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private bool IsBlockCompleted(string blockId) => _completed.Contains(blockId);
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// 阶段 2 将改由 StoryVariableStorage 提供；此处从全局变量存档读取作占位
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private int GetVariable(string variableName)
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{
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StoryVariablesSave vars = GameSaveManager.instance.StorySaveModule.variables;
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if (vars.floatVariables.TryGetValue(variableName, out float f))
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return Mathf.RoundToInt(f);
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if (vars.boolVariables.TryGetValue(variableName, out bool b))
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return b ? 1 : 0;
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return 0;
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}
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// ── Persistence ─────────────────────────────────────────────────────────
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/// <summary>
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/// 保存当前章节进度（已完成 block 集合）。选项由对话系统维护、不在此覆盖。
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/// </summary>
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[Button]
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public void SaveChapter()
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{
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if (string.IsNullOrEmpty(_chapterIndex)) return;
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ChapterStorySave save = GameSaveManager.instance.StorySaveModule.GetChapter(_chapterIndex);
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save.chapterIndex = _chapterIndex;
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save.completedBlockIds = _completed.ToList();
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GameSaveManager.instance.StorySaveModule.SaveChapter(save);
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}
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// ── Layout ────────────────────────────────────────────────────────────────
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/// <summary>
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/// 将 block 的网格坐标 (gridColumn, gridRow) 换算为 BlockContainer 中的 anchoredPosition。
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/// 约定左侧中线为原点：列向右为正，行向下为正、向上为负（anchoredPosition.y 取负）。
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/// gridColumn / gridRow 支持负数与小数，可用于微调 block 位置。
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/// </summary>
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private Vector2 GetGridPosition(StoryBlockDefinition def)
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{
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float x = marginLeft + def.gridColumn * (cellSize.x + cellSpacing.x);
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float y = -def.gridRow * (cellSize.y + cellSpacing.y);
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return new Vector2(x, y);
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}
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/// <summary>
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/// 根据 block 分布计算并设置 content(BlockContainer) 尺寸。
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/// block 采用左中 pivot：anchoredPosition.x 为左边缘，y 相对垂直中线（上正下负）。
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/// </summary>
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public void SetUpBackground()
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{
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if (blocks.Count == 0)
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{
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content.sizeDelta = new Vector2(minContentWidth, minContentHeight);
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return;
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}
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float maxRight = 0f;
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float maxVertical = 0f; // 距垂直中线的最大延伸（上下取较大者，用于对称扩展 content 高度）
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foreach (StoryBlockView block in blocks)
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{
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RectTransform rect = block.blockRect;
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Vector2 pos = rect.anchoredPosition;
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Vector2 size = rect.sizeDelta;
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float rightEdge = pos.x + size.x;
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float topExtent = pos.y + size.y * 0.5f;
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float bottomExtent = -(pos.y - size.y * 0.5f);
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if (rightEdge > maxRight) maxRight = rightEdge;
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if (topExtent > maxVertical) maxVertical = topExtent;
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if (bottomExtent > maxVertical) maxVertical = bottomExtent;
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}
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float width = Mathf.Max(maxRight + marginRight, minContentWidth);
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float height = Mathf.Max(maxVertical * 2f + marginTop + marginBottom, minContentHeight);
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content.sizeDelta = new Vector2(width, height);
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}
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/// <summary>
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/// 重算所有连接线曲线（在 block 位置确定后调用）。
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/// </summary>
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public void RefreshConnectors()
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{
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Observable.NextFrame().Subscribe(_ =>
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{
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foreach (BlockConnectorView connector in connectors)
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{
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connector.SetCurve();
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}
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}).AddTo(this);
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}
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// ── Helpers / Debug ─────────────────────────────────────────────────────
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public StoryBlockView GetBlockView(string blockId) =>
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blocks.FirstOrDefault(b => b.blockId == blockId);
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private void ClearTree()
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{
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foreach (StoryBlockView block in blocks)
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if (block != null) Destroy(block.gameObject);
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blocks.Clear();
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foreach (BlockConnectorView connector in connectors)
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if (connector != null) Destroy(connector.gameObject);
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connectors.Clear();
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if (content != null)
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content.sizeDelta = Vector2.zero;
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}
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/// <summary>
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/// 编辑器测试用：以当前章节重新构建故事树。
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/// </summary>
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[Button]
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public void DebugBuildCurrentChapter()
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{
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if (ChapterSelectionManager.instance != null &&
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ChapterSelectionManager.instance.currentChapter != null)
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{
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BuildChapter(ChapterSelectionManager.instance.currentChapter.chapterIndex);
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}
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else
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{
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Debug.LogWarning("[StoryTreeController] 当前没有选中的章节。");
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}
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}
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/// <summary>
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/// 编辑器测试用：模拟完成当前选中的 block（验证解锁重算与存档），阶段 2 前用于替代对话。
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/// </summary>
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[Button]
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public void DebugCompleteCurrentBlock()
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{
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if (currentBlock == null)
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{
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Debug.LogWarning("[StoryTreeController] currentBlock 为空，请先点击一个 block。");
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return;
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}
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OnBlockCompleted(currentBlock.blockId);
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}
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/// <summary>
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/// 编辑器测试用：清空当前章节进度并重建（全部回到未完成的初始推导状态）。
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/// </summary>
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[Button]
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public void DebugResetChapterProgress()
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{
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if (string.IsNullOrEmpty(_chapterIndex))
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{
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Debug.LogWarning("[StoryTreeController] 尚未构建任何章节。");
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return;
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}
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_completed.Clear();
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SaveChapter();
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BuildChapter(_chapterIndex);
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}
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}
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}
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