124 lines
4.0 KiB
C#
124 lines
4.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine.Timeline;
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namespace UnityEditor.Timeline
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{
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static class EditModeUtils
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{
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public static void Delete(IEnumerable<ITimelineItem> items)
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{
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if (items == null)
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return;
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foreach (var item in items)
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item.Delete();
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}
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public static void SetStart(IEnumerable<ITimelineItem> items, double time)
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{
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var offset = time - items.Min(c => c.start);
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foreach (var item in items)
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item.start += offset;
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}
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public static void SetParentTrack(IEnumerable<ITimelineItem> items, TrackAsset parentTrack)
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{
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foreach (var item in items)
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{
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if (item.parentTrack == parentTrack)
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continue;
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item.parentTrack = parentTrack;
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var clipGUI = item.gui as TimelineClipGUI;
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if (clipGUI != null)
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{
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clipGUI.clipCurveEditor = null;
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}
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}
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}
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public static ITimelineItem GetFirstIntersectedItem(IEnumerable<ITimelineItem> items, double time)
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{
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return items.FirstOrDefault(c => Intersects(time, c.start, c.end));
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}
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static bool Intersects(double time, double start, double end)
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{
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var discreteTime = (DiscreteTime)time;
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return discreteTime > (DiscreteTime)start && discreteTime < (DiscreteTime)end;
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}
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public static bool Overlaps(ITimelineItem item, double from, double to)
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{
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var discreteFrom = (DiscreteTime)from;
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var discreteTo = (DiscreteTime)to;
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var discreteStart = (DiscreteTime)item.start;
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if (discreteStart >= discreteFrom && discreteStart < discreteTo)
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return true;
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var discreteEnd = (DiscreteTime)item.end;
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if (discreteEnd > discreteFrom && discreteEnd <= discreteTo)
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return true;
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return false;
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}
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public static bool IsItemWithinRange(ITimelineItem item, double from, double to)
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{
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return (DiscreteTime)item.start >= (DiscreteTime)from && (DiscreteTime)item.end <= (DiscreteTime)to;
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}
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public static bool IsRangeWithinItem(double from, double to, ITimelineItem item)
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{
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return (DiscreteTime)from >= (DiscreteTime)item.start && (DiscreteTime)to <= (DiscreteTime)item.end;
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}
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public static bool Contains(double from, double to, ITimelineItem item)
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{
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return (DiscreteTime)from < (DiscreteTime)item.start && (DiscreteTime)to > (DiscreteTime)item.end;
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}
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public static bool HasBlends(ITimelineItem item, TrimEdge edge)
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{
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var blendable = item as IBlendable;
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if (blendable == null) return false;
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return edge == TrimEdge.Start && blendable.hasLeftBlend || edge == TrimEdge.End && blendable.hasRightBlend;
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}
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public static double BlendDuration(ITimelineItem item, TrimEdge edge)
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{
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var blendable = item as IBlendable;
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if (blendable == null) return 0.0;
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return edge == TrimEdge.Start ? blendable.leftBlendDuration : blendable.rightBlendDuration;
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}
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public static bool IsInfiniteTrack(TrackAsset track)
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{
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var aTrack = track as AnimationTrack;
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return aTrack != null && aTrack.CanConvertToClipMode();
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}
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public static void GetInfiniteClipBoundaries(TrackAsset track, out double start, out double end)
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{
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var info = AnimationClipCurveCache.Instance.GetCurveInfo(((AnimationTrack)track).infiniteClip);
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if (info.keyTimes.Length > 0)
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{
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start = info.keyTimes.Min();
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end = info.keyTimes.Max();
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}
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else
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{
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start = end = 0.0f;
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}
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}
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}
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}
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