98 lines
3.1 KiB
C#
98 lines
3.1 KiB
C#
using System;
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using UnityEngine;
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using UnityEngine.Playables;
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using UnityEngine.Timeline;
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#if UNITY_EDITOR
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using System.Reflection;
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using UnityEditor;
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#endif
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namespace FT.Timeline
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{
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[Serializable]
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public class LeviathanVideoTrackMixerBehaviour : PlayableBehaviour
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{
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}
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[Serializable]
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[TrackColor(0.82f, 0.42f, 0.62f)]
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[TrackClipType(typeof(LeviathanVideoPlayableAsset))]
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[TrackBindingType(typeof(LeviathanVideoDecoderBase))]
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[ExcludeFromPreset]
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public class LeviathanVideoTrack : TrackAsset
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{
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public override Playable CreateTrackMixer(PlayableGraph graph, GameObject go, int inputCount)
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{
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return ScriptPlayable<LeviathanVideoTrackMixerBehaviour>.Create(graph, inputCount);
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}
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protected override void OnCreateClip(TimelineClip clip)
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{
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clip.displayName = "Leviathan Video";
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if (clip.asset is LeviathanVideoPlayableAsset asset)
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{
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#if UNITY_EDITOR
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ApplyNewClipFromBoundDecoder(clip, asset);
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#endif
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clip.duration = asset.clipDurationSeconds;
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}
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base.OnCreateClip(clip);
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}
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#if UNITY_EDITOR
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/// <summary>
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/// 新建 Clip 时：从当前 Timeline 窗口正在编辑的 Director 上读取本轨绑定解码器，同步 Video Override 与片段时长。
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/// </summary>
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private void ApplyNewClipFromBoundDecoder(TimelineClip clip, LeviathanVideoPlayableAsset asset)
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{
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var director = TryGetTimelineInspectedDirector();
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if (director == null)
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return;
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var decoder = director.GetGenericBinding(this) as LeviathanVideoDecoderBase;
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if (decoder == null)
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return;
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if (decoder.bytesFile != null)
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asset.videoOverride = decoder.bytesFile;
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if (LeviathanVideoPlayableAsset.TryGetClipDurationSecondsFromDecoder(decoder, out var seconds) &&
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seconds > 0.0001)
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asset.clipDurationSeconds = seconds;
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EditorUtility.SetDirty(asset);
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if (timelineAsset != null)
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EditorUtility.SetDirty(timelineAsset);
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}
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private static PlayableDirector TryGetTimelineInspectedDirector()
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{
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foreach (var asm in System.AppDomain.CurrentDomain.GetAssemblies())
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{
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var t = asm.GetType("UnityEditor.Timeline.TimelineEditor");
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if (t == null)
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continue;
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var p = t.GetProperty("inspectedDirector", BindingFlags.Public | BindingFlags.Static);
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return p?.GetValue(null) as PlayableDirector;
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}
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return null;
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}
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#endif
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#if UNITY_EDITOR
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public override void GatherProperties(PlayableDirector director, IPropertyCollector driver)
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{
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var bound = director.GetGenericBinding(this) as LeviathanVideoDecoderBase;
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if (bound != null)
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{
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driver.AddFromComponent(bound.gameObject, bound);
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}
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base.GatherProperties(director, driver);
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}
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#endif
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}
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}
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