267 lines
11 KiB
C#
267 lines
11 KiB
C#
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using System;
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using System.Collections.Generic;
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using Ichni.RhythmGame;
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namespace Ichni
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{
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/// <summary>
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/// 集中式元素更新调度器（ichni Official）。
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/// 将所有 GameElement 的帧更新按 9 个阶段有序执行，
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/// 替代原先分散在 GameManager.Update/LateUpdate()、各子管理器、MonoBehaviour.Update() 中的零散更新。
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///
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/// TickEarly (GameManager.Update)
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/// Phase 0 TimeDuration — 判定元素激活/隐藏（Legacy timeDurations 列表）
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/// Phase 1 Animation — 更新动画值，设置脏标记（AnimationBase 通过 IScheduledElement 注册）
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/// Phase 2 Apply — 执行 Color + Transform（Legacy activeColorSubmodules / activeTransformSubmodules）
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///
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/// --- Unity 执行其他脚本的 Update（SplineComputer 检测 transform.hasChanged，重新采样）---
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///
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/// TickLate (GameManager.LateUpdate)
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/// DirtyMark — ExecuteDeferredRefresh（Legacy，isStarting || isPlaying 条件）
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/// Phase 3 SplineRebuild — 占位（SplineComputer 已在 Update 中自行处理）
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/// Phase 4 TrackCore — 更新轨道时间、裁剪区间（Track 通过 IScheduledElement 注册）
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/// Phase 5 TrackFollower — CrossTrackPoint / HeadPoint / PercentPoint
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/// [TrackManager.ManualLateUpdate — 清除 refreshedThisFrame 标记]
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/// Phase 6 Note — NoteManager 内部驱动（激活 + 更新 + 重置）
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/// Phase 7 Effect — ParticleEmitter / TimeEffectsCollection / ParticleTracker / DTM 元素 / LookAt 旋转覆盖
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/// Phase 8 Misc — SkyboxSubsetter / JudgeTrigger / LowPriorityActions
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///
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/// 此分离设计消除了 Dreamteck Spline 的一帧延迟：
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/// Phase 2 (Update) 修改 Transform → SplineComputer.Update() 检测 hasChanged 并重采样
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/// → Phase 4/5 (LateUpdate) 调用 SetPercent() 时获取最新采样数据。
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/// </summary>
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public class ElementUpdateScheduler
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{
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#region [常量] Constants
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/// <summary>阶段总数（TimeDuration..Misc，步长 10，共 9 个）</summary>
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private const int PhaseCount = 9;
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/// <summary>阶段枚举值到数组索引的步长除数</summary>
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private const int PhaseStep = 10;
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private static readonly UpdatePhase[] AllPhases = (UpdatePhase[])Enum.GetValues(typeof(UpdatePhase));
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#endregion
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#region [阶段元素列表] Phase Element Lists
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/// <summary>
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/// 每个阶段的已注册 IScheduledElement 列表。
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/// 使用数组替代 Dictionary<UpdatePhase, ...>，
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/// 索引通过 (int)phase / 10 直接映射，消除哈希查找开销。
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/// </summary>
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private readonly List<IScheduledElement>[] _phaseElements;
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/// <summary>将 UpdatePhase 枚举值转换为数组索引。</summary>
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private static int PhaseIndex(UpdatePhase phase) => (int)phase / PhaseStep;
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#endregion
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#region [轨道 Spline 列表] Track Spline List
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/// <summary>Phase 3 专用：需要手动重建 SplineComputer 的 Track 列表（保留供后续优化）</summary>
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private readonly List<Track> _trackSplines = new List<Track>(50);
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#endregion
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#region [缓存] Cached State
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/// <summary>TickEarly 中缓存的 songTime，供 TickLate 使用</summary>
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private float _cachedSongTime;
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/// <summary>当前帧是否处于更新状态（由 songPlayer.isUpdating 决定）</summary>
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private bool _isUpdating;
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#endregion
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#region [构造函数] Constructor
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public ElementUpdateScheduler()
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{
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_phaseElements = new List<IScheduledElement>[PhaseCount];
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for (int i = 0; i < PhaseCount; i++)
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{
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_phaseElements[i] = new List<IScheduledElement>();
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}
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}
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#endregion
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#region [注册与注销] Registration
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/// <summary>将元素注册到指定的更新阶段。同一元素可注册到多个阶段。</summary>
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public void Register(UpdatePhase phase, IScheduledElement element)
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{
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var list = _phaseElements[PhaseIndex(phase)];
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if (!list.Contains(element))
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{
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list.Add(element);
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}
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}
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/// <summary>将元素从指定阶段注销。</summary>
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public void Unregister(UpdatePhase phase, IScheduledElement element)
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{
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_phaseElements[PhaseIndex(phase)].Remove(element);
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}
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/// <summary>注册 Track 的 SplineComputer 到 Phase 3（SplineRebuild，当前为占位）。</summary>
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public void RegisterTrackSpline(Track track)
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{
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if (!_trackSplines.Contains(track))
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{
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_trackSplines.Add(track);
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}
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}
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/// <summary>从 Phase 3 注销 Track 的 SplineComputer。</summary>
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public void UnregisterTrackSpline(Track track)
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{
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_trackSplines.Remove(track);
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}
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#endregion
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#region [主循环 - 早期阶段] TickEarly (Update)
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/// <summary>
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/// 早期阶段调度，由 GameManager.Update() 调用。
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/// 执行 Phase 0（TimeDuration）→ Phase 1（Animation）→ Phase 2（Apply）。
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/// Phase 2 完成后 Transform 已更新；SplineComputer 将在后续的 Update [order 0] 中检测变化。
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/// </summary>
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public void TickEarly(float songTime)
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{
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_isUpdating = GameManager.Instance.songPlayer.isUpdating;
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if (!_isUpdating) return;
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_cachedSongTime = songTime;
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// ─── Phase 0: TimeDuration（Legacy timeDurations 列表）─────────────────
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TickTimeDurationLegacy(songTime);
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// ─── Phase 1: Animation ──────────────────────────────────────────────
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TickPhase(UpdatePhase.Animation, songTime);
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// ─── Phase 2: Apply（Color + Transform from active lists）────────────
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TickApplyLegacy();
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}
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#endregion
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#region [主循环 - 晚期阶段] TickLate (LateUpdate)
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/// <summary>
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/// 晚期阶段调度，由 GameManager.LateUpdate() 调用。
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/// 此时所有 Update() 已完成，SplineComputer 已检测 transform.hasChanged 并重新采样。
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/// </summary>
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public void TickLate()
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{
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// DirtyMark：保持原有 isStarting || isPlaying 条件，与 TickEarly 的 isUpdating 独立判断
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if (GameManager.Instance.songPlayer.isStarting || GameManager.Instance.songPlayer.isPlaying)
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{
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TickDirtyMarkLegacy();
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}
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if (!_isUpdating) return;
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float songTime = _cachedSongTime;
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// ─── Phase 3: SplineRebuild（占位）───────────────────────────────────
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// SplineComputer 使用默认 UpdateMode.Update，已在 Update 中自行处理。
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TickPhase(UpdatePhase.SplineRebuild, songTime);
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// ─── Phase 4: TrackCore ──────────────────────────────────────────────
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TickPhase(UpdatePhase.TrackCore, songTime);
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// ─── Phase 5: TrackFollower ──────────────────────────────────────────
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TickPhase(UpdatePhase.TrackFollower, songTime);
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// 清除轨道 refreshedThisFrame 标记（TrackManager 保留此单一职责）
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GameManager.Instance.trackManager.ManualLateUpdate(songTime);
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// ─── Phase 6: Note（由 NoteManager 内部驱动）─────────────────────────
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TickPhase(UpdatePhase.Note, songTime);
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GameManager.Instance.noteManager.ManualUpdate(songTime);
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GameManager.Instance.noteManager.ManualLateUpdate(songTime);
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// ─── Phase 7: Effect ─────────────────────────────────────────────────
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TickPhase(UpdatePhase.Effect, songTime);
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// ─── Phase 8: Misc ───────────────────────────────────────────────────
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TickPhase(UpdatePhase.Misc, songTime);
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GameManager.Instance.beatmapContainer?.ExecuteLowPriorityActions();
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}
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#endregion
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#region [阶段执行] Phase Execution
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/// <summary>
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/// 执行指定阶段的所有已注册 IScheduledElement。
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/// 倒序遍历防止更新途中元素自行销毁导致越界。
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/// </summary>
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private void TickPhase(UpdatePhase phase, float songTime)
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{
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var list = _phaseElements[PhaseIndex(phase)];
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for (int i = list.Count - 1; i >= 0; i--)
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{
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var element = list[i];
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if (element != null && element.IsScheduledActive)
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{
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element.ScheduledUpdate(phase, songTime);
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}
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}
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}
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#endregion
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#region [Legacy] 过渡期内联逻辑
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/// <summary>
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/// [Legacy] Phase 0 内联逻辑：遍历 GameManager.timeDurations 执行激活/隐藏检测。
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/// </summary>
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private void TickTimeDurationLegacy(float songTime)
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{
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var timeDurations = GameManager.Instance.timeDurations;
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for (int i = 0; i < timeDurations.Count; i++)
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{
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timeDurations[i]?.DetectAndSwitchActiveState(songTime);
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}
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}
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/// <summary>
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/// [Legacy] Phase 2 内联逻辑：从 GameManager 活跃列表执行 Color + Transform 更新。
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/// 在 Update 阶段完成 Transform 修改，以便 SplineComputer 在后续 Update 中检测 hasChanged。
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/// </summary>
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private void TickApplyLegacy()
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{
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var activeColorSubmodules = GameManager.Instance.activeColorSubmodules;
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var activeTransformSubmodules = GameManager.Instance.activeTransformSubmodules;
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for (int i = 0; i < activeColorSubmodules.Count; i++)
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{
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activeColorSubmodules[i].UpdateColor(true);
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}
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for (int i = 0; i < activeTransformSubmodules.Count; i++)
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{
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activeTransformSubmodules[i].UpdateTransform(true);
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}
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}
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/// <summary>
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/// [Legacy] TickLate DirtyMark 内联逻辑：保持原有 isStarting || isPlaying 条件。
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/// </summary>
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private void TickDirtyMarkLegacy()
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{
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var activeDirtyMarkSubmodules = GameManager.Instance.activeDirtyMarkSubmodules;
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for (int i = 0; i < activeDirtyMarkSubmodules.Count; i++)
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{
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activeDirtyMarkSubmodules[i]?.dirtyMarkSubmodule?.ExecuteDeferredRefresh();
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}
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}
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#endregion
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}
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}
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