playtest-unity/playtest/Library/PackageCache/com.unity.timeline@1.7.4/Runtime/Animation/AnimationPreviewUpdateCallb...

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2023-06-19 23:21:21 -04:00
using System.Collections.Generic;
using UnityEngine.Animations;
#if !UNITY_2020_2_OR_NEWER
using UnityEngine.Experimental.Animations;
#endif
using UnityEngine.Playables;
namespace UnityEngine.Timeline
{
class AnimationPreviewUpdateCallback : ITimelineEvaluateCallback
{
AnimationPlayableOutput m_Output;
PlayableGraph m_Graph;
List<IAnimationWindowPreview> m_PreviewComponents;
public AnimationPreviewUpdateCallback(AnimationPlayableOutput output)
{
m_Output = output;
Playable playable = m_Output.GetSourcePlayable();
if (playable.IsValid())
{
m_Graph = playable.GetGraph();
}
}
public void Evaluate()
{
if (!m_Graph.IsValid())
return;
if (m_PreviewComponents == null)
FetchPreviewComponents();
foreach (var component in m_PreviewComponents)
{
if (component != null)
{
component.UpdatePreviewGraph(m_Graph);
}
}
}
private void FetchPreviewComponents()
{
m_PreviewComponents = new List<IAnimationWindowPreview>();
var animator = m_Output.GetTarget();
if (animator == null)
return;
var gameObject = animator.gameObject;
m_PreviewComponents.AddRange(gameObject.GetComponents<IAnimationWindowPreview>());
}
}
}