File size: 4,066 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 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | using System;
using System.Collections.Generic;
using System.Linq;
using UnityEngine.Timeline;
namespace UnityEditor.Timeline
{
static class EditModeUtils
{
public static void Delete(IEnumerable<ITimelineItem> items)
{
if (items == null)
return;
foreach (var item in items)
item.Delete();
}
public static void SetStart(IEnumerable<ITimelineItem> items, double time)
{
var offset = time - items.Min(c => c.start);
foreach (var item in items)
item.start += offset;
}
public static void SetParentTrack(IEnumerable<ITimelineItem> items, TrackAsset parentTrack)
{
foreach (var item in items)
{
if (item.parentTrack == parentTrack)
continue;
item.parentTrack = parentTrack;
var clipGUI = item.gui as TimelineClipGUI;
if (clipGUI != null)
{
clipGUI.clipCurveEditor = null;
}
}
}
public static ITimelineItem GetFirstIntersectedItem(IEnumerable<ITimelineItem> items, double time)
{
return items.FirstOrDefault(c => Intersects(time, c.start, c.end));
}
static bool Intersects(double time, double start, double end)
{
var discreteTime = (DiscreteTime)time;
return discreteTime > (DiscreteTime)start && discreteTime < (DiscreteTime)end;
}
public static bool Overlaps(ITimelineItem item, double from, double to)
{
var discreteFrom = (DiscreteTime)from;
var discreteTo = (DiscreteTime)to;
var discreteStart = (DiscreteTime)item.start;
if (discreteStart >= discreteFrom && discreteStart < discreteTo)
return true;
var discreteEnd = (DiscreteTime)item.end;
if (discreteEnd > discreteFrom && discreteEnd <= discreteTo)
return true;
return false;
}
public static bool IsItemWithinRange(ITimelineItem item, double from, double to)
{
return (DiscreteTime)item.start >= (DiscreteTime)from && (DiscreteTime)item.end <= (DiscreteTime)to;
}
public static bool IsRangeWithinItem(double from, double to, ITimelineItem item)
{
return (DiscreteTime)from >= (DiscreteTime)item.start && (DiscreteTime)to <= (DiscreteTime)item.end;
}
public static bool Contains(double from, double to, ITimelineItem item)
{
return (DiscreteTime)from < (DiscreteTime)item.start && (DiscreteTime)to > (DiscreteTime)item.end;
}
public static bool HasBlends(ITimelineItem item, TrimEdge edge)
{
var blendable = item as IBlendable;
if (blendable == null) return false;
return edge == TrimEdge.Start && blendable.hasLeftBlend || edge == TrimEdge.End && blendable.hasRightBlend;
}
public static double BlendDuration(ITimelineItem item, TrimEdge edge)
{
var blendable = item as IBlendable;
if (blendable == null) return 0.0;
return edge == TrimEdge.Start ? blendable.leftBlendDuration : blendable.rightBlendDuration;
}
public static bool IsInfiniteTrack(TrackAsset track)
{
var aTrack = track as AnimationTrack;
return aTrack != null && aTrack.CanConvertToClipMode();
}
public static void GetInfiniteClipBoundaries(TrackAsset track, out double start, out double end)
{
var info = AnimationClipCurveCache.Instance.GetCurveInfo(((AnimationTrack)track).infiniteClip);
if (info.keyTimes.Length > 0)
{
start = info.keyTimes.Min();
end = info.keyTimes.Max();
}
else
{
start = end = 0.0f;
}
}
}
}
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