[Add] FishNet

Assets/FishNet/Runtime/Serializing/GenericWriter.cs

@@ -0,0 +1,40 @@
+using FishNet.Documenting;
+using FishNet.Utility;
+using System;
+using System.Runtime.CompilerServices;
+
+[assembly: InternalsVisibleTo(UtilityConstants.GENERATED_ASSEMBLY_NAME)]
+
+namespace FishNet.Serializing
+{
+    /// <summary>
+    /// Used to write generic types.
+    /// </summary>
+    [APIExclude]
+    public static class GenericWriter<T>
+    {
+        public static Action<Writer, T> Write { get; private set; }
+        /// <summary>
+        /// True if this type has a custom writer.
+        /// </summary>
+        internal static bool HasCustomSerializer;
+
+        public static void SetWrite(Action<Writer, T> value)
+        {
+            /* If a custom serializer has already been set then exit method
+             * to not overwrite serializer. */
+            if (HasCustomSerializer)
+                return;
+
+            bool isGenerated = value.Method.Name.StartsWith(UtilityConstants.GeneratedWriterPrefix);
+
+            // If not generated then unset any generated delta serializer.
+            if (!isGenerated && GenericDeltaWriter<T>.HasCustomSerializer)
+                GenericDeltaWriter<T>.Write = null;
+
+            // Set has custom serializer if value being used is not a generated method.
+            HasCustomSerializer = !isGenerated;
+            Write = value;
+        }
+    }
+}