first commit

Library/PackageCache/com.unity.timeline@1.7.6/Editor/Animation/AnimationClipActions.cs

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+using System.Collections.Generic;
+using System.Linq;
+using JetBrains.Annotations;
+using UnityEditor.Timeline.Actions;
+using UnityEngine;
+using UnityEngine.Timeline;
+using UnityEngine.Playables;
+
+namespace UnityEditor.Timeline
+{
+    [ApplyDefaultUndo("Match Offsets")]
+    [MenuEntry("Match Offsets To Previous Clip", MenuPriority.CustomClipActionSection.matchPrevious), UsedImplicitly]
+    class MatchOffsetsPreviousAction : ClipAction
+    {
+        public override bool Execute(IEnumerable<TimelineClip> clips)
+        {
+            if (clips == null || !clips.Any())
+                return false;
+            AnimationOffsetMenu.MatchClipsToPrevious(clips.Where(x => IsValidClip(x, TimelineEditor.inspectedDirector)).ToArray());
+            return true;
+        }
+
+        static bool IsValidClip(TimelineClip clip, PlayableDirector director)
+        {
+            return clip != null &&
+                clip.GetParentTrack() != null &&
+                (clip.asset as AnimationPlayableAsset) != null &&
+                clip.GetParentTrack().clips.Any(x => x.start < clip.start) &&
+                TimelineUtility.GetSceneGameObject(director, clip.GetParentTrack()) != null;
+        }
+
+        public override ActionValidity Validate(IEnumerable<TimelineClip> clips)
+        {
+            if (!clips.All(TimelineAnimationUtilities.IsAnimationClip))
+                return ActionValidity.NotApplicable;
+
+            var director = TimelineEditor.inspectedDirector;
+            if (TimelineEditor.inspectedDirector == null)
+                return ActionValidity.NotApplicable;
+
+            if (clips.Any(c => IsValidClip(c, director)))
+                return ActionValidity.Valid;
+
+            return ActionValidity.NotApplicable;
+        }
+    }
+
+    [ApplyDefaultUndo("Match Offsets")]
+    [MenuEntry("Match Offsets To Next Clip", MenuPriority.CustomClipActionSection.matchNext), UsedImplicitly]
+    class MatchOffsetsNextAction : ClipAction
+    {
+        public override bool Execute(IEnumerable<TimelineClip> clips)
+        {
+            AnimationOffsetMenu.MatchClipsToNext(clips.Where(x => IsValidClip(x, TimelineEditor.inspectedDirector)).ToArray());
+            return true;
+        }
+
+        static bool IsValidClip(TimelineClip clip, PlayableDirector director)
+        {
+            return clip != null &&
+                clip.GetParentTrack() != null &&
+                (clip.asset as AnimationPlayableAsset) != null &&
+                clip.GetParentTrack().clips.Any(x => x.start > clip.start) &&
+                TimelineUtility.GetSceneGameObject(director, clip.GetParentTrack()) != null;
+        }
+
+        public override ActionValidity Validate(IEnumerable<TimelineClip> clips)
+        {
+            if (!clips.All(TimelineAnimationUtilities.IsAnimationClip))
+                return ActionValidity.NotApplicable;
+
+            var director = TimelineEditor.inspectedDirector;
+            if (TimelineEditor.inspectedDirector == null)
+                return ActionValidity.NotApplicable;
+
+            if (clips.Any(c => IsValidClip(c, director)))
+                return ActionValidity.Valid;
+
+            return ActionValidity.NotApplicable;
+        }
+    }
+
+    [ApplyDefaultUndo]
+    [MenuEntry("Reset Offsets", MenuPriority.CustomClipActionSection.resetOffset), UsedImplicitly]
+    class ResetOffsets : ClipAction
+    {
+        public override bool Execute(IEnumerable<TimelineClip> clips)
+        {
+            AnimationOffsetMenu.ResetClipOffsets(clips.Where(TimelineAnimationUtilities.IsAnimationClip).ToArray());
+            return true;
+        }
+
+        public override ActionValidity Validate(IEnumerable<TimelineClip> clips)
+        {
+            if (!clips.All(TimelineAnimationUtilities.IsAnimationClip))
+                return ActionValidity.NotApplicable;
+
+            return ActionValidity.Valid;
+        }
+    }
+}