source: binary-improvements2/WebServer/src/WebAPI/JsonCommons.cs@ 430

using System;
using UnityEngine;
using Utf8Json;

namespace Webserver.WebAPI {
        public static class JsonCommons {
                private static readonly byte[] jsonKeyPositionX = JsonWriter.GetEncodedPropertyNameWithBeginObject ("x");
                private static readonly byte[] jsonKeyPositionY = JsonWriter.GetEncodedPropertyNameWithPrefixValueSeparator ("y");
                private static readonly byte[] jsonKeyPositionZ = JsonWriter.GetEncodedPropertyNameWithPrefixValueSeparator ("z");

                public static void WritePositionObject (ref JsonWriter _writer, Vector3i _position) {
                        _writer.WriteRaw (jsonKeyPositionX);
                        _writer.WriteInt32 (_position.x);
                        
                        _writer.WriteRaw (jsonKeyPositionY);
                        _writer.WriteInt32 (_position.y);
                        
                        _writer.WriteRaw (jsonKeyPositionZ);
                        _writer.WriteInt32 (_position.z);
                        
                        _writer.WriteEndObject ();
                }

                public static void WritePositionObject (ref JsonWriter _writer, Vector3 _position) {
                        _writer.WriteRaw (jsonKeyPositionX);
                        _writer.WriteSingle (_position.x);
                        
                        _writer.WriteRaw (jsonKeyPositionY);
                        _writer.WriteSingle (_position.y);
                        
                        _writer.WriteRaw (jsonKeyPositionZ);
                        _writer.WriteSingle (_position.z);
                        
                        _writer.WriteEndObject ();
                }

                private static readonly byte[] jsonKeyCombinedString = JsonWriter.GetEncodedPropertyNameWithBeginObject ("combinedString");
                private static readonly byte[] jsonKeyPlatformId = JsonWriter.GetEncodedPropertyNameWithPrefixValueSeparator ("platformId");
                private static readonly byte[] jsonKeyUserId = JsonWriter.GetEncodedPropertyNameWithPrefixValueSeparator ("userId");

                public static void WritePlatformUserIdentifier (ref JsonWriter _writer, PlatformUserIdentifierAbs _userIdentifier) {
                        if (_userIdentifier == null) {
                                _writer.WriteNull ();
                                return;
                        }
                        
                        _writer.WriteRaw (jsonKeyCombinedString);
                        _writer.WriteString (_userIdentifier.CombinedString);
                        
                        _writer.WriteRaw (jsonKeyPlatformId);
                        _writer.WriteString (_userIdentifier.PlatformIdentifierString);
                        
                        _writer.WriteRaw (jsonKeyUserId);
                        _writer.WriteString (_userIdentifier.ReadablePlatformUserIdentifier);
                        
                        _writer.WriteEndObject ();
                }

                public static void WriteDateTime (ref JsonWriter _writer, DateTime _dateTime) {
                        _writer.WriteString (_dateTime.ToString ("o"));
                }

                public static void WriteStringOrNull (ref JsonWriter _writer, string _string) {
                        if (_string == null) {
                                _writer.WriteNull ();
                        } else {
                                _writer.WriteString (_string);
                        }
                }
        }
}