239 lines
10 KiB
C#
239 lines
10 KiB
C#
using System.Collections.Generic;
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using Sirenix.OdinInspector;
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using UnityEngine;
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using Yarn.Unity;
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#if UNITY_EDITOR
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using UnityEditor;
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using Sirenix.Utilities.Editor;
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#endif
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namespace Ichni.Story
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{
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/// <summary>
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/// 单个章节的故事树数据，以 ScriptableObject 形式存储所有 block 定义与关联资产引用。
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/// 布局完全由每个 block 的 (gridColumn, gridRow) 静态决定，运行时全量展示。
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/// </summary>
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[CreateAssetMenu(fileName = "StoryData", menuName = "Ichni/Story/New/StoryData")]
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public class StoryData : SerializedScriptableObject
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{
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[LabelText("Chapter Index")]
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public string chapterIndex;
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[LabelText("Yarn Project")]
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[InfoBox("该章节对应的 YarnProject 编译资产，阶段 2 接线。")]
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public YarnProject yarnProject;
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[LabelText("Blocks")]
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[ListDrawerSettings(ShowFoldout = true, DefaultExpandedState = false, DraggableItems = true, ShowItemCount = true)]
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public List<StoryBlockDefinition> blocks = new List<StoryBlockDefinition>();
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// ── Queries ─────────────────────────────────────────────────────────────
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/// <summary>
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/// 根据 blockId 获取 block 定义，未找到时返回 null。
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/// </summary>
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public StoryBlockDefinition GetBlock(string blockId)
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{
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foreach (StoryBlockDefinition block in blocks)
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{
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if (block.blockId == blockId)
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return block;
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}
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return null;
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}
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/// <summary>
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/// 获取指定 blockId 的所有直接后继 block 定义。
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/// </summary>
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public IEnumerable<StoryBlockDefinition> GetNextBlocks(string blockId)
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{
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StoryBlockDefinition source = GetBlock(blockId);
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if (source == null) yield break;
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foreach (string nextId in source.nextBlockIds)
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{
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StoryBlockDefinition next = GetBlock(nextId);
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if (next != null)
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yield return next;
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}
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}
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// ── Editor Preview ────────────────────────────────────────────────────────
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#if UNITY_EDITOR
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private enum StoryPreviewMode { Detailed, Simple }
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// 编辑器 UI 临时状态（不参与序列化）
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[System.NonSerialized] private StoryPreviewMode _previewMode = StoryPreviewMode.Detailed;
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[System.NonSerialized] private Vector2 _previewPan;
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[System.NonSerialized] private bool _isPanningPreview;
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private const float PreviewViewportHeight = 380f;
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private const float PreviewPaddingLeft = 24f;
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private const float PreviewTangent = 44f;
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// 详细版：较大方块，标注 id / 类型 / 标题
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private const float DetailCellWidth = 150f;
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private const float DetailCellHeight = 72f;
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private const float DetailStepX = 210f;
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private const float DetailStepY = 120f;
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// 简略版：很小的方块，仅标注 Block ID
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private const float SimpleCellWidth = 62f;
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private const float SimpleCellHeight = 26f;
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private const float SimpleStepX = 92f;
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private const float SimpleStepY = 42f;
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/// <summary>
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/// 在 Inspector 顶部绘制只读的故事树结构预览（流程图样式，连线左右相连）。
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/// 提供"详细 / 简略"两种可拖拽平移的视图；按 (gridColumn, gridRow) 摆放 block，
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/// 支持负数与小数坐标，(0,0) 对应左侧中部。
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/// </summary>
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[PropertyOrder(-10)]
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[OnInspectorGUI]
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private void DrawStoryPreview()
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{
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SirenixEditorGUI.Title("Story Tree Preview", null, TextAlignment.Left, true);
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if (blocks == null || blocks.Count == 0)
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{
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EditorGUILayout.HelpBox("尚未定义任何 block。", MessageType.Info);
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return;
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}
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// 顶部工具条：模式切换 + 复位视图
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EditorGUILayout.BeginHorizontal();
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_previewMode = (StoryPreviewMode)GUILayout.Toolbar(
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(int)_previewMode, new[] { "Detailed", "Simple" }, GUILayout.Height(20f));
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if (GUILayout.Button("Reset View", GUILayout.Width(90f), GUILayout.Height(20f)))
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_previewPan = Vector2.zero;
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EditorGUILayout.EndHorizontal();
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bool simple = _previewMode == StoryPreviewMode.Simple;
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float cellW = simple ? SimpleCellWidth : DetailCellWidth;
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float cellH = simple ? SimpleCellHeight : DetailCellHeight;
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float stepX = simple ? SimpleStepX : DetailStepX;
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float stepY = simple ? SimpleStepY : DetailStepY;
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Rect area = GUILayoutUtility.GetRect(0f, PreviewViewportHeight, GUILayout.ExpandWidth(true));
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EditorGUI.DrawRect(area, new Color(0.12f, 0.12f, 0.14f, 1f));
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HandlePreviewPanning(area);
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// 裁剪到预览区，超出部分（平移后）不外溢到其它 Inspector 元素
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GUI.BeginClip(area);
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{
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// (0,0) 网格点 = 视口左侧中线（叠加平移量）
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float originX = PreviewPaddingLeft + _previewPan.x;
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float originY = area.height * 0.5f + _previewPan.y;
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// 计算各 block 矩形（左中对齐网格点，与运行时 pivot(0,0.5) 一致），按 blockId 索引
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Dictionary<string, Rect> cellRects = new Dictionary<string, Rect>();
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foreach (StoryBlockDefinition block in blocks)
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{
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if (block == null || string.IsNullOrEmpty(block.blockId)) continue;
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float px = originX + block.gridColumn * stepX; // 列向右为正（可负、可小数）
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float py = originY + block.gridRow * stepY; // 行向下为正、向上为负
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cellRects[block.blockId] = new Rect(px, py - cellH * 0.5f, cellW, cellH);
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}
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// 先画连线：左右相连的流程图（起点右中 → 终点左中，水平切线）
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Handles.BeginGUI();
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foreach (StoryBlockDefinition block in blocks)
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{
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if (block == null || !cellRects.TryGetValue(block.blockId, out Rect fromRect)) continue;
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foreach (string nextId in block.nextBlockIds)
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{
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if (string.IsNullOrEmpty(nextId) || !cellRects.TryGetValue(nextId, out Rect toRect)) continue;
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Vector3 start = new Vector3(fromRect.xMax, fromRect.center.y, 0f);
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Vector3 end = new Vector3(toRect.xMin, toRect.center.y, 0f);
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Vector3 startTan = start + Vector3.right * PreviewTangent;
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Vector3 endTan = end + Vector3.left * PreviewTangent;
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Handles.DrawBezier(start, end, startTan, endTan,
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new Color(0.82f, 0.82f, 0.88f, 1f), null, simple ? 2f : 3f);
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}
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}
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Handles.EndGUI();
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// 再画 block 方块
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GUIStyle labelStyle = new GUIStyle(EditorStyles.boldLabel)
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{
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alignment = TextAnchor.MiddleCenter,
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wordWrap = true,
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richText = false,
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fontSize = simple ? 9 : 11,
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normal = { textColor = Color.white }
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};
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foreach (StoryBlockDefinition block in blocks)
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{
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if (block == null || !cellRects.TryGetValue(block.blockId, out Rect rect)) continue;
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EditorGUI.DrawRect(rect, GetTypeColor(block.blockType));
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string label = simple
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? block.blockId
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: $"{block.blockId}\n[{block.blockType}]\n{block.GetDisplayTitle()}";
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GUI.Label(rect, label, labelStyle);
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}
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}
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GUI.EndClip();
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EditorGUILayout.HelpBox(
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"在预览区内拖拽可平移视图。列 = 水平（右为正），行 = 垂直（下为正、上为负），(0,0) 位于左侧中部，支持负数与小数。",
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MessageType.None);
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}
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/// <summary>
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/// 处理预览区内的鼠标拖拽平移。
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/// </summary>
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private void HandlePreviewPanning(Rect area)
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{
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Event e = Event.current;
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switch (e.type)
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{
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case EventType.MouseDown:
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if (area.Contains(e.mousePosition))
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{
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_isPanningPreview = true;
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e.Use();
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}
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break;
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case EventType.MouseDrag:
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if (_isPanningPreview)
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{
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_previewPan += e.delta;
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GUI.changed = true;
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e.Use();
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}
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break;
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case EventType.MouseUp:
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if (_isPanningPreview)
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{
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_isPanningPreview = false;
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e.Use();
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}
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break;
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}
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}
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/// <summary>
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/// 预览中不同 block 类型的填充色。
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/// </summary>
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private static Color GetTypeColor(StoryBlockType type)
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{
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return type switch
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{
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StoryBlockType.Text => new Color(0.20f, 0.42f, 0.72f, 1f), // 蓝
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StoryBlockType.Song => new Color(0.62f, 0.30f, 0.66f, 1f), // 紫
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StoryBlockType.Tutorial => new Color(0.28f, 0.56f, 0.36f, 1f), // 绿
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_ => new Color(0.4f, 0.4f, 0.4f, 1f)
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};
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}
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#endif
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}
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}
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