108 lines
4.1 KiB
C#
108 lines
4.1 KiB
C#
using BaseGames.Core.Events;
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using BaseGames.Input;
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using UnityEngine;
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using UnityEngine.Playables;
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using UnityEngine.Timeline;
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namespace BaseGames.Cutscene
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{
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/// <summary>
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/// Unity Timeline 过场动画封装（架构 14_NarrativeModule §11）。
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/// 负责播放/停止 CutsceneSO；切换 Action Map；广播过场开始/结束事件。
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/// </summary>
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[RequireComponent(typeof(PlayableDirector))]
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public class CutsceneManager : MonoBehaviour
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{
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[SerializeField] private InputReaderSO _inputReader;
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[Header("事件频道")]
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[SerializeField] private VoidEventChannelSO _onCutsceneStarted;
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[SerializeField] private VoidEventChannelSO _onCutsceneEnded;
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[SerializeField] private StringEventChannelSO _onPlayCutsceneById; // 由 PlayCutsceneAction 触发
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[Header("过场素材库（PlayById 查找用）")]
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[SerializeField] private CutsceneSO[] _registeredCutscenes;
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private PlayableDirector _director;
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private readonly CompositeDisposable _subs = new();
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/// <summary>是否正在播放过场。</summary>
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public bool IsPlaying => _director != null && _director.state == PlayState.Playing;
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// ── 生命周期 ──────────────────────────────────────────────────────
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private void Awake()
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{
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_director = GetComponent<PlayableDirector>();
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}
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private void OnEnable()
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{
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_onPlayCutsceneById?.Subscribe(PlayById).AddTo(_subs);
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}
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private void OnDisable()
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{
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_subs.Clear();
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}
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// ── 公开 API ──────────────────────────────────────────────────────
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/// <summary>通过 cutsceneId 查找并播放（供 PlayCutsceneAction 通过事件触发）。</summary>
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public void PlayById(string cutsceneId)
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{
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if (_registeredCutscenes == null) return;
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foreach (var cs in _registeredCutscenes)
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if (cs != null && cs.cutsceneId == cutsceneId) { PlayCutscene(cs); return; }
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Debug.LogWarning($"[CutsceneManager] 找不到 cutsceneId='{cutsceneId}'");
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}
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/// <summary>播放指定过场 SO。</summary>
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public void PlayCutscene(CutsceneSO cutscene)
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{
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if (cutscene == null || IsPlaying) return;
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_director.playableAsset = cutscene.Timeline;
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// 应用 Track → GameObject 绑定
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if (cutscene.Bindings != null && cutscene.Timeline != null)
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{
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var outputs = cutscene.Timeline.outputs;
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int idx = 0;
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foreach (var output in outputs)
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{
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if (idx >= cutscene.Bindings.Length) break;
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var binding = cutscene.Bindings[idx];
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if (!string.IsNullOrEmpty(binding.trackName) && output.streamName == binding.trackName
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&& binding.target != null)
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{
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_director.SetGenericBinding(output.sourceObject, binding.target);
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}
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idx++;
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}
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}
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_director.stopped += OnCutsceneStopped;
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_director.Play();
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_inputReader?.EnableUIInput();
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_onCutsceneStarted?.Raise();
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}
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/// <summary>立即停止当前过场。</summary>
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public void StopCutscene()
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{
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if (_director != null) _director.Stop();
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}
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// ── 内部 ──────────────────────────────────────────────────────────
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private void OnCutsceneStopped(PlayableDirector director)
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{
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_director.stopped -= OnCutsceneStopped;
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_inputReader?.EnableGameplayInput();
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_onCutsceneEnded?.Raise();
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}
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}
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}
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