Update compiler communication to use System.Text.Json instead of Json.NET

Author: scorteanucosmin

src/Common/Constants.cs

@@ -8,7 +8,6 @@ namespace Oxide.CSharp.Common
 {
     internal static class Constants
     {
-        internal static readonly Serializer Serializer = new();
         internal static readonly UTF8Encoding CompilerEncoding = new(false);
 
         internal const string CompilerDownloadUrl = "https://downloads.oxidemod.com/artifacts/Oxide.Compiler/{0}/";

src/CompilerService.cs

@@ -20,6 +20,7 @@
 using Oxide.Plugins;
 using Oxide.Pooling;
 using References::Mono.Unix.Native;
+using System.Text.Json;
 
 namespace Oxide.CSharp
 {
@@ -343,7 +344,7 @@ private void OnMessageReceived(CompilerMessage message)
                         }
                     }
 
-                    CompilationResult? compilationResult = Constants.Serializer.Deserialize<CompilationResult>(message.Data);
+                    CompilationResult? compilationResult = JsonSerializer.Deserialize<CompilationResult>(message.Data);
                     if (compilationResult?.Data == null || compilationResult.Data.Length == 0)
                     {
                         compilation.Completed();
@@ -615,7 +616,7 @@ private void EnqueueCompilation(Compilation compilation)
                 {
                     Id = compilation.id,
                     Type = MessageType.Data,
-                    Data = Constants.Serializer.Serialize(compilerData),
+                    Data = JsonSerializer.SerializeToUtf8Bytes(compilerData),
                 };
 
                 if (_ready)

src/CompilerStream/MessageBrokerService.cs

@@ -8,6 +8,7 @@
 using Oxide.Core;
 using Oxide.CSharp.Common;
 using Oxide.Pooling;
+using System.Text.Json;
 
 namespace Oxide.CSharp.CompilerStream
 {
@@ -96,7 +97,7 @@ private void WriteMessage(CompilerMessage message)
             using StreamWriter streamWriter = new(memoryStream, Constants.CompilerEncoding, DefaultMaxBufferSize);
             try
             {
-                Constants.Serializer.GetJsonSerializer().Serialize(streamWriter, message);
+                JsonSerializer.Serialize(memoryStream, message);
 
                 streamWriter.Flush();
 
@@ -142,7 +143,7 @@ private void WriteMessage(CompilerMessage message)
                         read += OnRead(messageBuffer, read, length - read);
                     }
 
-                    return Constants.Serializer.Deserialize<CompilerMessage>(messageBuffer);
+                    return JsonSerializer.Deserialize<CompilerMessage>(messageBuffer);
                 }
                 finally
                 {