GlobalGameJame/Library/PackageCache/com.unity.timeline@1.2.10/Runtime/Evaluation/RuntimeClip.cs

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2020-01-31 15:10:04 +00:00
using UnityEngine;
using UnityEngine.Playables;
namespace UnityEngine.Timeline
{
// The RuntimeClip wraps a single clip in an instantiated sequence.
// It supports the IInterval interface so that it can be stored in the interval tree
// It is this class that is returned by an interval tree query.
class RuntimeClip : RuntimeClipBase
{
TimelineClip m_Clip;
Playable m_Playable;
Playable m_ParentMixer;
public override double start
{
get { return m_Clip.extrapolatedStart; }
}
public override double duration
{
get { return m_Clip.extrapolatedDuration; }
}
public RuntimeClip(TimelineClip clip, Playable clipPlayable, Playable parentMixer)
{
Create(clip, clipPlayable, parentMixer);
}
void Create(TimelineClip clip, Playable clipPlayable, Playable parentMixer)
{
m_Clip = clip;
m_Playable = clipPlayable;
m_ParentMixer = parentMixer;
clipPlayable.Pause();
}
public TimelineClip clip
{
get { return m_Clip; }
}
public Playable mixer
{
get { return m_ParentMixer; }
}
public Playable playable
{
get { return m_Playable; }
}
public override bool enable
{
set
{
if (value && m_Playable.GetPlayState() != PlayState.Playing)
{
m_Playable.Play();
SetTime(m_Clip.clipIn);
}
else if (!value && m_Playable.GetPlayState() != PlayState.Paused)
{
m_Playable.Pause();
if (m_ParentMixer.IsValid())
m_ParentMixer.SetInputWeight(m_Playable, 0.0f);
}
}
}
public void SetTime(double time)
{
m_Playable.SetTime(time);
}
public void SetDuration(double duration)
{
m_Playable.SetDuration(duration);
}
public override void EvaluateAt(double localTime, FrameData frameData)
{
enable = true;
float weight = 1.0f;
if (clip.IsPreExtrapolatedTime(localTime))
weight = clip.EvaluateMixIn((float)clip.start);
else if (clip.IsPostExtrapolatedTime(localTime))
weight = clip.EvaluateMixOut((float)clip.end);
else
weight = clip.EvaluateMixIn(localTime) * clip.EvaluateMixOut(localTime);
if (mixer.IsValid())
mixer.SetInputWeight(playable, weight);
// localTime of the sequence to localtime of the clip
double clipTime = clip.ToLocalTime(localTime);
if (clipTime.CompareTo(0.0) >= 0)
{
SetTime(clipTime);
}
SetDuration(clip.extrapolatedDuration);
}
public override void Reset()
{
SetTime(m_Clip.clipIn);
}
}
}