135 lines
4.9 KiB
C#
135 lines
4.9 KiB
C#
using System.Linq;
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using UnityEngine;
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using UnityEngine.Timeline;
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namespace UnityEditor.Timeline
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{
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static class AnimationTrackExtensions
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{
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public static void ConvertToClipMode(this AnimationTrack track)
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{
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if (!track.CanConvertToClipMode())
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return;
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TimelineUndo.PushUndo(track, "Convert To Clip");
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if (!track.infiniteClip.empty)
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{
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var animClip = track.infiniteClip;
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TimelineUndo.PushUndo(animClip, "Convert To Clip");
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TimelineUndo.PushUndo(track, "Convert To Clip");
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var start = AnimationClipCurveCache.Instance.GetCurveInfo(animClip).keyTimes.FirstOrDefault();
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animClip.ShiftBySeconds(-start);
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track.infiniteClip = null;
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var clip = track.CreateClip(animClip);
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clip.start = start;
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clip.preExtrapolationMode = track.infiniteClipPreExtrapolation;
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clip.postExtrapolationMode = track.infiniteClipPostExtrapolation;
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clip.recordable = true;
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if (Mathf.Abs(animClip.length) < TimelineClip.kMinDuration)
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{
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clip.duration = 1;
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}
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var animationAsset = clip.asset as AnimationPlayableAsset;
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if (animationAsset)
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{
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animationAsset.position = track.infiniteClipOffsetPosition;
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animationAsset.eulerAngles = track.infiniteClipOffsetEulerAngles;
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// going to / from infinite mode should reset this. infinite mode
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animationAsset.removeStartOffset = track.infiniteClipRemoveOffset;
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animationAsset.applyFootIK = track.infiniteClipApplyFootIK;
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animationAsset.loop = track.infiniteClipLoop;
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track.infiniteClipOffsetPosition = Vector3.zero;
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track.infiniteClipOffsetEulerAngles = Vector3.zero;
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}
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track.CalculateExtrapolationTimes();
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}
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track.infiniteClip = null;
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EditorUtility.SetDirty(track);
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}
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public static void ConvertFromClipMode(this AnimationTrack track, TimelineAsset timeline)
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{
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if (!track.CanConvertFromClipMode())
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return;
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TimelineUndo.PushUndo(track, "Convert From Clip");
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var clip = track.clips[0];
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var delta = (float)clip.start;
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track.infiniteClipTimeOffset = 0.0f;
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track.infiniteClipPreExtrapolation = clip.preExtrapolationMode;
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track.infiniteClipPostExtrapolation = clip.postExtrapolationMode;
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var animAsset = clip.asset as AnimationPlayableAsset;
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if (animAsset)
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{
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track.infiniteClipOffsetPosition = animAsset.position;
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track.infiniteClipOffsetEulerAngles = animAsset.eulerAngles;
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track.infiniteClipRemoveOffset = animAsset.removeStartOffset;
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track.infiniteClipApplyFootIK = animAsset.applyFootIK;
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track.infiniteClipLoop = animAsset.loop;
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}
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// clone it, it may not be in the same asset
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var animClip = clip.animationClip;
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float scale = (float)clip.timeScale;
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if (!Mathf.Approximately(scale, 1.0f))
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{
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if (!Mathf.Approximately(scale, 0.0f))
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scale = 1.0f / scale;
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animClip.ScaleTime(scale);
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}
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TimelineUndo.PushUndo(animClip, "Convert From Clip");
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animClip.ShiftBySeconds(delta);
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// manually delete the clip
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var asset = clip.asset;
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clip.asset = null;
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// Remove the clip, remove old assets
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ClipModifier.Delete(timeline, clip);
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TimelineUndo.PushDestroyUndo(null, track, asset, "Convert From Clip");
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track.infiniteClip = animClip;
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EditorUtility.SetDirty(track);
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}
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public static bool CanConvertToClipMode(this AnimationTrack track)
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{
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if (track == null || track.inClipMode)
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return false;
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return (track.infiniteClip != null && !track.infiniteClip.empty);
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}
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// Requirements to go from clip mode
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// - one clip, recordable, and animation clip belongs to the same asset as the track
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public static bool CanConvertFromClipMode(this AnimationTrack track)
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{
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if ((track == null) ||
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(!track.inClipMode) ||
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(track.clips.Length != 1) ||
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(track.clips[0].start < 0) ||
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(!track.clips[0].recordable))
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return false;
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var asset = track.clips[0].asset as AnimationPlayableAsset;
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if (asset == null)
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return false;
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return TimelineHelpers.HaveSameContainerAsset(track, asset.clip);
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}
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}
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}
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