Add VRChat and GitHub packages to Unity project

Assets/Udon/Serialization/OdinSerializer/Unity Integration/Formatters/AnimationCurveFormatter.cs

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+//-----------------------------------------------------------------------
+// <copyright file="AnimationCurveFormatter.cs" company="Sirenix IVS">
+// Copyright (c) 2018 Sirenix IVS
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// </copyright>
+//-----------------------------------------------------------------------
+
+using VRC.Udon.Serialization.OdinSerializer;
+
+[assembly: RegisterFormatter(typeof(AnimationCurveFormatter))]
+
+namespace VRC.Udon.Serialization.OdinSerializer
+{
+    using UnityEngine;
+
+    /// <summary>
+    /// Custom formatter for the <see cref="AnimationCurve"/> type.
+    /// </summary>
+    /// <seealso cref="MinimalBaseFormatter{UnityEngine.AnimationCurve}" />
+    public class AnimationCurveFormatter : MinimalBaseFormatter<AnimationCurve>
+    {
+        private static readonly Serializer<Keyframe[]> KeyframeSerializer = Serializer.Get<Keyframe[]>();
+        private static readonly Serializer<WrapMode> WrapModeSerializer = Serializer.Get<WrapMode>();
+
+        /// <summary>
+        /// Returns null.
+        /// </summary>
+        /// <returns>
+        /// A null value.
+        /// </returns>
+        protected override AnimationCurve GetUninitializedObject()
+        {
+            return null;
+        }
+
+        /// <summary>
+        /// Reads into the specified value using the specified reader.
+        /// </summary>
+        /// <param name="value">The value to read into.</param>
+        /// <param name="reader">The reader to use.</param>
+        protected override void Read(ref AnimationCurve value, IDataReader reader)
+        {
+            var keys = KeyframeSerializer.ReadValue(reader);
+
+            value = new AnimationCurve(keys);
+            value.preWrapMode = WrapModeSerializer.ReadValue(reader);
+            value.postWrapMode = WrapModeSerializer.ReadValue(reader);
+        }
+
+        /// <summary>
+        /// Writes from the specified value using the specified writer.
+        /// </summary>
+        /// <param name="value">The value to write from.</param>
+        /// <param name="writer">The writer to use.</param>
+        protected override void Write(ref AnimationCurve value, IDataWriter writer)
+        {
+            KeyframeSerializer.WriteValue(value.keys, writer);
+            WrapModeSerializer.WriteValue(value.preWrapMode, writer);
+            WrapModeSerializer.WriteValue(value.postWrapMode, writer);
+        }
+    }
+}