Add VRChat and GitHub packages to Unity project

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

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+//-----------------------------------------------------------------------
+// <copyright file="KeyframeFormatter.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(KeyframeFormatter))]
+
+namespace VRC.Udon.Serialization.OdinSerializer
+{
+    using VRC.Udon.Serialization.OdinSerializer.Utilities;
+    using UnityEngine;
+
+    /// <summary>
+    /// Custom formatter for the <see cref="Keyframe"/> type.
+    /// </summary>
+    /// <seealso cref="MinimalBaseFormatter{UnityEngine.Keyframe}" />
+    public class KeyframeFormatter : MinimalBaseFormatter<Keyframe>
+    {
+        private static readonly Serializer<float> FloatSerializer = Serializer.Get<float>();
+        private static readonly Serializer<int> IntSerializer = Serializer.Get<int>();
+
+        private static readonly bool Is_In_2018_1_Or_Above;
+        private static IFormatter<Keyframe> Formatter;
+
+        static KeyframeFormatter()
+        {
+            Is_In_2018_1_Or_Above = typeof(Keyframe).GetProperty("weightedMode") != null;
+
+            if (Is_In_2018_1_Or_Above)
+            {
+                if (EmitUtilities.CanEmit)
+                {
+                    Formatter = (IFormatter<Keyframe>)FormatterEmitter.GetEmittedFormatter(typeof(Keyframe), SerializationPolicies.Everything);
+                }
+                else
+                {
+                    Formatter = new ReflectionFormatter<Keyframe>(SerializationPolicies.Everything);
+                }
+            }
+        }
+
+        /// <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 Keyframe value, IDataReader reader)
+        {
+            string name;
+            EntryType first = reader.PeekEntry(out name);
+
+            if (first == EntryType.Integer && name == "ver")
+            {
+                if (Formatter == null)
+                {
+                    // We're deserializing 2018.1+ data in a lower version of Unity - so just give it a go
+                    Formatter = new ReflectionFormatter<Keyframe>(SerializationPolicies.Everything);
+                }
+
+                int version;
+                reader.ReadInt32(out version);
+
+                // Only one version so far, so ignore it for now
+                value = Formatter.Deserialize(reader);
+            }
+            else
+            {
+                // Legacy Keyframe deserialization code
+                value.inTangent = KeyframeFormatter.FloatSerializer.ReadValue(reader);
+                value.outTangent = KeyframeFormatter.FloatSerializer.ReadValue(reader);
+                value.time = KeyframeFormatter.FloatSerializer.ReadValue(reader);
+                value.value = KeyframeFormatter.FloatSerializer.ReadValue(reader);
+
+#pragma warning disable 0618
+                value.tangentMode = KeyframeFormatter.IntSerializer.ReadValue(reader);
+#pragma warning restore 0618
+            }
+        }
+
+        /// <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 Keyframe value, IDataWriter writer)
+        {
+            if (Is_In_2018_1_Or_Above)
+            {
+                writer.WriteInt32("ver", 1);
+                Formatter.Serialize(value, writer);
+            }
+            else
+            {
+                // Legacy Keyframe serialization code
+                KeyframeFormatter.FloatSerializer.WriteValue(value.inTangent, writer);
+                KeyframeFormatter.FloatSerializer.WriteValue(value.outTangent, writer);
+                KeyframeFormatter.FloatSerializer.WriteValue(value.time, writer);
+                KeyframeFormatter.FloatSerializer.WriteValue(value.value, writer);
+
+#pragma warning disable 0618
+                KeyframeFormatter.IntSerializer.WriteValue(value.tangentMode, writer);
+#pragma warning restore 0618
+            }
+        }
+    }
+}