File size: 1,072 Bytes
18a519f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | using System;
using UnityEngine;
namespace UnityEditor.Timeline
{
static class AnimationClipExtensions
{
public static UInt64 ClipVersion(this AnimationClip clip)
{
if (clip == null)
return 0;
var info = AnimationClipCurveCache.Instance.GetCurveInfo(clip);
var version = (UInt32)info.version;
var count = (UInt32)info.curves.Length;
var result = (UInt64)version;
result |= ((UInt64)count) << 32;
return result;
}
public static CurveChangeType GetChangeType(this AnimationClip clip, ref UInt64 curveVersion)
{
var version = clip.ClipVersion();
var changeType = CurveChangeType.None;
if ((curveVersion >> 32) != (version >> 32))
changeType = CurveChangeType.CurveAddedOrRemoved;
else if (curveVersion != version)
changeType = CurveChangeType.CurveModified;
curveVersion = version;
return changeType;
}
}
}
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