Inital commit

1 files changed, 123 insertions, 0 deletions

diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Manipulators/Utils/EditModeUtils.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Manipulators/Utils/EditModeUtils.cs
new file mode 100644
index 0000000..126f349
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Manipulators/Utils/EditModeUtils.cs
@@ -0,0 +1,123 @@
+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;
+            }
+        }
+    }
+}