Revert "提交修改"

This reverts commit 5750c4fe56.

Assets/Scripts/NBC/Runtime/Plugins/Protobuf-net/Serializers/StringSerializer.cs

@@ -0,0 +1,41 @@
+#if !NO_RUNTIME
+using System;
+
+namespace ProtoBuf.Serializers
+{
+    sealed class StringSerializer : IProtoSerializer
+    {
+        static readonly Type expectedType = typeof(string);
+
+        public StringSerializer(ProtoBuf.Meta.TypeModel model)
+        {
+        }
+
+        public Type ExpectedType => expectedType;
+
+        public void Write(object value, ProtoWriter dest)
+        {
+            ProtoWriter.WriteString((string)value, dest);
+        }
+        bool IProtoSerializer.RequiresOldValue => false;
+
+        bool IProtoSerializer.ReturnsValue => true;
+
+        public object Read(object value, ProtoReader source)
+        {
+            Helpers.DebugAssert(value == null); // since replaces
+            return source.ReadString();
+        }
+#if FEAT_COMPILER
+        void IProtoSerializer.EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
+        {
+            ctx.EmitBasicWrite("WriteString", valueFrom);
+        }
+        void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
+        {
+            ctx.EmitBasicRead("ReadString", ExpectedType);
+        }
+#endif
+    }
+}
+#endif