35 lines
1.0 KiB
C#
35 lines
1.0 KiB
C#
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using System;
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using UnityEngine;
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namespace UnityEditor.Timeline
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{
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static class AnimationClipExtensions
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{
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public static UInt64 ClipVersion(this AnimationClip clip)
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{
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if (clip == null)
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return 0;
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var info = AnimationClipCurveCache.Instance.GetCurveInfo(clip);
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var version = (UInt32)info.version;
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var count = (UInt32)info.curves.Length;
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var result = (UInt64)version;
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result |= ((UInt64)count) << 32;
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return result;
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}
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public static CurveChangeType GetChangeType(this AnimationClip clip, ref UInt64 curveVersion)
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{
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var version = clip.ClipVersion();
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var changeType = CurveChangeType.None;
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if ((curveVersion >> 32) != (version >> 32))
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changeType = CurveChangeType.CurveAddedOrRemoved;
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else if (curveVersion != version)
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changeType = CurveChangeType.CurveModified;
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curveVersion = version;
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return changeType;
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}
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}
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}
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