95 lines
2.8 KiB
C#
95 lines
2.8 KiB
C#
using System;
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using UnityEngine.Playables;
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namespace UnityEngine.Timeline
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{
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/// <summary>
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/// Track that can be used to control the active state of a GameObject.
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/// </summary>
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[Serializable]
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[TrackClipType(typeof(ActivationPlayableAsset))]
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[TrackBindingType(typeof(GameObject))]
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[ExcludeFromPreset]
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[TimelineHelpURL(typeof(ActivationTrack))]
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public class ActivationTrack : TrackAsset
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{
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[SerializeField]
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PostPlaybackState m_PostPlaybackState = PostPlaybackState.LeaveAsIs;
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ActivationMixerPlayable m_ActivationMixer;
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/// <summary>
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/// Specify what state to leave the GameObject in after the Timeline has finished playing.
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/// </summary>
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public enum PostPlaybackState
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{
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/// <summary>
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/// Set the GameObject to active.
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/// </summary>
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Active,
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/// <summary>
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/// Set the GameObject to Inactive.
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/// </summary>
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Inactive,
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/// <summary>
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/// Revert the GameObject to the state in was in before the Timeline was playing.
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/// </summary>
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Revert,
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/// <summary>
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/// Leave the GameObject in the state it was when the Timeline was stopped.
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/// </summary>
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LeaveAsIs
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}
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internal override bool CanCompileClips()
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{
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return !hasClips || base.CanCompileClips();
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}
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/// <summary>
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/// Specifies what state to leave the GameObject in after the Timeline has finished playing.
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/// </summary>
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public PostPlaybackState postPlaybackState
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{
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get { return m_PostPlaybackState; }
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set { m_PostPlaybackState = value; UpdateTrackMode(); }
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}
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/// <inheritdoc/>
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public override Playable CreateTrackMixer(PlayableGraph graph, GameObject go, int inputCount)
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{
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var mixer = ActivationMixerPlayable.Create(graph, inputCount);
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m_ActivationMixer = mixer.GetBehaviour();
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UpdateTrackMode();
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return mixer;
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}
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internal void UpdateTrackMode()
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{
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if (m_ActivationMixer != null)
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m_ActivationMixer.postPlaybackState = m_PostPlaybackState;
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}
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/// <inheritdoc/>
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public override void GatherProperties(PlayableDirector director, IPropertyCollector driver)
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{
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var gameObject = GetGameObjectBinding(director);
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if (gameObject != null)
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{
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driver.AddFromName(gameObject, "m_IsActive");
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}
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}
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/// <inheritdoc/>
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protected override void OnCreateClip(TimelineClip clip)
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{
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clip.displayName = "Active";
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base.OnCreateClip(clip);
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}
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}
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}
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