1 files changed, 86 insertions, 0 deletions
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/treeview/Drawers/AnimationTrackDrawer.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/treeview/Drawers/AnimationTrackDrawer.cs
new file mode 100644
index 0000000..0e9ef89
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/treeview/Drawers/AnimationTrackDrawer.cs
@@ -0,0 +1,86 @@
+using System;
+using System.ComponentModel;
+using System.Linq;
+using JetBrains.Annotations;
+using UnityEngine;
+using UnityEditor;
+using UnityEngine.Timeline;
+
+namespace UnityEditor.Timeline
+{
+    [CustomTrackDrawer(typeof(AnimationTrack)), UsedImplicitly]
+    class AnimationTrackDrawer : TrackDrawer
+    {
+        internal static class Styles
+        {
+            public static readonly GUIContent AnimationButtonOnTooltip = EditorGUIUtility.TrTextContent("", "Avatar Mask enabled\nClick to disable");
+            public static readonly GUIContent AnimationButtonOffTooltip = EditorGUIUtility.TrTextContent("", "Avatar Mask disabled\nClick to enable");
+        }
+
+        public override bool DrawTrackHeaderButton(Rect rect, TrackAsset track, WindowState state)
+        {
+            var animTrack = track as AnimationTrack;
+            bool hasAvatarMask = animTrack != null && animTrack.avatarMask != null;
+            if (hasAvatarMask)
+            {
+                var style = animTrack.applyAvatarMask
+                    ? DirectorStyles.Instance.avatarMaskOn
+                    : DirectorStyles.Instance.avatarMaskOff;
+                var tooltip = animTrack.applyAvatarMask
+                    ? Styles.AnimationButtonOnTooltip
+                    : Styles.AnimationButtonOffTooltip;
+                if (GUI.Button(rect, tooltip, style))
+                {
+                    animTrack.applyAvatarMask = !animTrack.applyAvatarMask;
+                    if (state != null)
+                        state.rebuildGraph = true;
+                }
+            }
+            return hasAvatarMask;
+        }
+
+        public override void DrawRecordingBackground(Rect trackRect, TrackAsset trackAsset, Vector2 visibleTime, WindowState state)
+        {
+            base.DrawRecordingBackground(trackRect, trackAsset, visibleTime, state);
+            DrawBorderOfAddedRecordingClip(trackRect, trackAsset, visibleTime, (WindowState)state);
+        }
+
+        static void DrawBorderOfAddedRecordingClip(Rect trackRect, TrackAsset trackAsset, Vector2 visibleTime, WindowState state)
+        {
+            if (!state.IsArmedForRecord(trackAsset))
+                return;
+
+            AnimationTrack animTrack = trackAsset as AnimationTrack;
+            if (animTrack == null || !animTrack.inClipMode)
+                return;
+
+            // make sure there is no clip but we can add one
+            TimelineClip clip = null;
+            if (trackAsset.FindRecordingClipAtTime(state.editSequence.time, out clip) || clip != null)
+                return;
+
+            float yMax = trackRect.yMax;
+            float yMin = trackRect.yMin;
+
+            double startGap = 0;
+            double endGap = 0;
+
+            trackAsset.GetGapAtTime(state.editSequence.time, out startGap, out endGap);
+            if (double.IsInfinity(endGap))
+                endGap = visibleTime.y;
+
+            if (startGap > visibleTime.y || endGap < visibleTime.x)
+                return;
+
+
+            startGap = Math.Max(startGap, visibleTime.x);
+            endGap = Math.Min(endGap, visibleTime.y);
+
+            float xMin = state.TimeToPixel(startGap);
+            float xMax = state.TimeToPixel(endGap);
+
+            var r = Rect.MinMaxRect(xMin, yMin, xMax, yMax);
+            ClipDrawer.DrawClipSelectionBorder(r, ClipBorder.Recording(), ClipBlends.kNone);
+        }
+    }
+}