From c55fba8ab2a1c9d3df65eda4a5a1e957f4aa1f78 Mon Sep 17 00:00:00 2001
From: Andrew Lee <alee14498@protonmail.com>
Date: Sun, 19 Apr 2020 17:19:32 -0400
Subject: Inital commit

---
 .../Editor/State/SequencePath.cs                   | 131 +++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 Library/PackageCache/com.unity.timeline@1.2.13/Editor/State/SequencePath.cs

(limited to 'Library/PackageCache/com.unity.timeline@1.2.13/Editor/State/SequencePath.cs')

diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/State/SequencePath.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/State/SequencePath.cs
new file mode 100644
index 0000000..d727041
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/State/SequencePath.cs
@@ -0,0 +1,131 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using UnityEngine;
+using UnityEngine.Playables;
+using UnityEngine.Timeline;
+
+namespace UnityEditor.Timeline
+{
+    [Serializable]
+    class SequencePath
+    {
+        [SerializeField] int m_SelectionRoot;
+
+        public int selectionRoot
+        {
+            get { return m_SelectionRoot; }
+        }
+
+        [SerializeField] List<SequencePathSubElement> m_SubElements;
+
+        public List<SequencePathSubElement> subElements
+        {
+            get { return m_SubElements ?? (m_SubElements = new List<SequencePathSubElement>()); }
+        }
+
+        public void SetSelectionRoot(int instanceID)
+        {
+            m_SelectionRoot = instanceID;
+            subElements.Clear();
+        }
+
+        public void AddSubSequence(ISequenceState state, IExposedPropertyTable resolver)
+        {
+            subElements.Add(SequencePathSubElement.Create(state, resolver));
+        }
+
+        public void Clear()
+        {
+            m_SelectionRoot = 0;
+            subElements.Clear();
+        }
+
+        public static bool AreEqual(SequencePath lhs, SequencePath rhs)
+        {
+            if (ReferenceEquals(lhs, null) && ReferenceEquals(rhs, null)) return true;
+            if (ReferenceEquals(lhs, null) || ReferenceEquals(rhs, null)) return false;
+            if (ReferenceEquals(lhs, rhs)) return true;
+
+            var result = lhs.selectionRoot == rhs.selectionRoot &&
+                lhs.subElements.Count == rhs.subElements.Count;
+
+            if (!result)
+                return false;
+
+            for (int i = 0, n = lhs.subElements.Count; i < n; ++i)
+                result = result && SequencePathSubElement.AreEqual(lhs.subElements[i], rhs.subElements[i]);
+
+            return result;
+        }
+
+        public override string ToString()
+        {
+            var sb = new StringBuilder();
+
+            sb.AppendFormat("[{0}]", m_SelectionRoot.ToString());
+
+            if (m_SubElements != null && m_SubElements.Count > 0)
+            {
+                foreach (var element in m_SubElements)
+                {
+                    sb.Append(" > ");
+                    sb.Append(element.ToString());
+                }
+            }
+
+            return sb.ToString();
+        }
+    }
+
+    [Serializable]
+    class SequencePathSubElement
+    {
+        public int trackInstanceID;
+        public int trackHash;
+        public int clipIndex;
+        public int clipHash;
+        public int subDirectorIndex;
+
+        public static SequencePathSubElement Create(ISequenceState state, IExposedPropertyTable resolver)
+        {
+            var clip = state.hostClip;
+            Debug.Assert(clip != null);
+            var track = clip.parentTrack;
+            Debug.Assert(track != null);
+            var asset = track.timelineAsset;
+            Debug.Assert(asset != null);
+            var directors = TimelineUtility.GetSubTimelines(clip, resolver as PlayableDirector);
+
+            return new SequencePathSubElement
+            {
+                trackInstanceID = track.GetInstanceID(),
+                trackHash = track.Hash(),
+                clipIndex = Array.IndexOf(track.clips, clip),
+                clipHash = clip.Hash(),
+                subDirectorIndex = directors.IndexOf(state.director)
+            };
+        }
+
+        public static bool AreEqual(SequencePathSubElement lhs, SequencePathSubElement rhs)
+        {
+            if (ReferenceEquals(lhs, null) && ReferenceEquals(rhs, null)) return true;
+            if (ReferenceEquals(lhs, null) || ReferenceEquals(rhs, null)) return false;
+            if (ReferenceEquals(lhs, rhs)) return true;
+
+            return lhs.trackInstanceID  == rhs.trackInstanceID &&
+                lhs.trackHash        == rhs.trackHash &&
+                lhs.clipIndex        == rhs.clipIndex &&
+                lhs.clipHash         == rhs.clipHash &&
+                lhs.subDirectorIndex == rhs.subDirectorIndex;
+        }
+
+        public override string ToString()
+        {
+            return string.Format(
+                "[track[{0}] ({1}) > clip[{2}] ({3})]",
+                trackInstanceID.ToString(), trackHash.ToString(),
+                clipIndex.ToString(), clipHash.ToString());
+        }
+    }
+}
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