Add ReaderWriter for custom types

Reactor/Networking/MethodRpc/CustomMethodRpc.cs

@@ -27,32 +27,29 @@ namespace Reactor.Networking.MethodRpc
 
             var methodParameters = method.GetParameters();
 
-            List<Type> allArgs = new List<Type>();
-            foreach (var arg in methodParameters)
+            Parameters = new Type[methodParameters.Length];
+            for (var i = 0; i < methodParameters.Length; i++)
             {
+                var arg = methodParameters[i];
                 var argType = arg.ParameterType;
                 if (argType.IsValueType && !argType.IsPrimitive && !StructBook.ContainsKey(arg.ParameterType))
                 {
-                    var feilds = argType.GetFields(BindingFlags.Instance | BindingFlags.Public)
+                    var fields = argType.GetFields(BindingFlags.Instance | BindingFlags.Public)
                         .ToArray();
-                    StructBook.Add(argType, feilds);
+                    StructBook.Add(argType, fields);
                 }
 
-                allArgs.Add(argType);
-
+                Parameters[i] = argType;
             }
 
-            Parameters = allArgs.ToArray();
-
             Invoker = RpcPrefixHandle.GenerateCaller(Method);
 
             allMethodRPCsFast.Add(Method, this);
-
         }
 
         public MethodInfo Method { get; }
         public override Type InnerNetObjectType { get; } = typeof(PlayerControl);
-        public override RpcLocalHandling LocalHandling { get; } = RpcLocalHandling.None;
+        public override RpcLocalHandling LocalHandling { get; }
         public override SendOption SendOption { get; }
 
         public override void UnsafeWrite(MessageWriter writer, object data)
@@ -76,6 +73,8 @@ namespace Reactor.Networking.MethodRpc
             {
                 Coroutines.Start((IEnumerator) result);
             }
+
+            SkipNextSend = false;
         }
 
         public void Send(object[] args)

Reactor/Networking/MethodRpc/MethodRpcAttribute.cs

@@ -37,7 +37,7 @@ namespace Reactor.Networking.MethodRpc
 
             foreach (var method in rpcMethods)
             {
-                
+
                 if (!method.IsStatic)
                 {
                     Logger<ReactorPlugin>.Warning("Cannot register non static custom method rpc");
@@ -45,7 +45,7 @@ namespace Reactor.Networking.MethodRpc
                 }
 
                 var attribute = method.GetCustomAttribute<MethodRpcAttribute>();
-                
+
                 var customRpc = new CustomMethodRpc(plugin, method, attribute.id, attribute.option,
                     attribute.localHandling);
                 PluginSingleton<ReactorPlugin>.Instance.Harmony.Patch(method, new HarmonyMethod(_rpcPrefixGenerator));
@@ -58,9 +58,8 @@ namespace Reactor.Networking.MethodRpc
                     // ignored
                 }
             }
-        }
 
-        
+        }
 
         internal static void Initialize()
         {

Reactor/Networking/MethodRpc/ReaderWriter.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using Hazel;
+
+namespace Reactor.Networking.MethodRpc
+{
+
+    internal class ReaderWriterManager
+    {
+        public static ReaderWriterManager Instance { get; } = new();
+        
+        private readonly Dictionary<Type, UnsafeReaderWriter> _readerWriters = new();
+
+        public IReadOnlyDictionary<Type, UnsafeReaderWriter> All => _readerWriters;
+
+        public void Register(UnsafeReaderWriter readerWriter)
+        {
+            Logger<ReactorPlugin>.Instance.LogInfo($"Registered ReaderWriter for {readerWriter.Type}");
+            if(_readerWriters.ContainsKey(readerWriter.Type)) return;
+
+            _readerWriters.Add(readerWriter.Type, readerWriter);
+        }
+    }
+    
+    public abstract class UnsafeReaderWriter
+    {
+        public abstract Type Type { get; }
+        public abstract void UnsafeWrite(MessageWriter writer, object dateTime);
+
+        public abstract object UnsafeRead(MessageReader reader);
+    }
+    
+    public abstract class ReaderWriter<T> : UnsafeReaderWriter
+    {
+        public abstract void Write(MessageWriter writer, T o);
+
+        public abstract T Read(MessageReader reader);
+
+        public override Type Type { get; } = typeof(T);
+
+        public override void UnsafeWrite(MessageWriter writer, object o) => Write(writer, (T) o);
+
+        public override object UnsafeRead(MessageReader reader) => Read(reader);
+    }
+}

Reactor/Networking/MethodRpc/ReaderWriterAttribute.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Reflection;
+using BepInEx.IL2CPP;
+using HarmonyLib;
+
+namespace Reactor.Networking.MethodRpc
+{
+    [AttributeUsage(AttributeTargets.Class)]
+    public class ReaderWriterAttribute : System.Attribute
+    {
+        
+        public static void Register(Assembly assembly, BasePlugin plugin)
+        {
+            foreach (var type in assembly.GetTypes())
+            {
+                var attribute = type.GetCustomAttribute<ReaderWriterAttribute>();
+
+                if (attribute != null)
+                {
+                    if (!type.IsSubclassOf(typeof(UnsafeReaderWriter)))
+                    {
+                        throw new InvalidOperationException($"Type {type.FullDescription()} has {nameof(ReaderWriterAttribute)} but doesn't extend {nameof(UnsafeReaderWriter)}.");
+                    }
+
+                    var customRpc = (UnsafeReaderWriter) Activator.CreateInstance(type);
+                    ReaderWriterManager.Instance.Register(customRpc);
+                }
+            }
+        }
+        
+        internal static void Initialize()
+        {
+            ChainloaderHooks.PluginLoad += plugin => Register(plugin.GetType().Assembly, plugin);
+        }
+    }
+}

Reactor/Networking/MethodRpc/RpcPrefixHandle.cs

@@ -14,11 +14,7 @@ namespace Reactor.Networking.MethodRpc
         
         public static bool RpcPrefix(MethodBase originalMethod, params object[] list)
         {
-            if (CustomMethodRpc.SkipNextSend)
-            {
-                CustomMethodRpc.SkipNextSend = false;
-                return true;
-            }
+            if (CustomMethodRpc.SkipNextSend) return true;
 
             var methodRpc = CustomMethodRpc.allMethodRPCsFast[originalMethod];
             methodRpc?.Send(list);

Reactor/Networking/MethodRpc/RpcSerializer.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Reflection;
 using Hazel;
 using InnerNet;
@@ -10,29 +11,6 @@ namespace Reactor.Networking.MethodRpc
 {
     public static class RpcSerializer
     {
-        #region GetFindObjectByNetIdInvoker
-
-        private static readonly MethodInfo _findObjectByNetId =
-            typeof(RpcSerializer).GetMethod(nameof(FindObjectByNetId), BindingFlags.Static | BindingFlags.NonPublic);
-
-        private static Dictionary<Type, Func<object[], object>> _findObjectByNetIdInvokers = new();
-        static Func<object[], object> GetFindObjectByNetIdInvoker(Type type)
-        {
-            if (_findObjectByNetIdInvokers.ContainsKey(type)) return _findObjectByNetIdInvokers[type];
-
-            var invoker = RpcPrefixHandle.GenerateCaller(_findObjectByNetId.MakeGenericMethod(type));
-            _findObjectByNetIdInvokers.Add(type, invoker);
-            return invoker;
-        }
-
-        private static InnerNetObject FindObjectByNetId<T>(uint id) where T : InnerNetObject
-        {
-            return AmongUsClient.Instance.FindObjectByNetId<T>(id);
-        }
-
-        #endregion
- 
-
         public static void Serialize(MessageWriter writer,CustomMethodRpc methodRpc, params object[] list)
         {
             foreach (var o in list)
@@ -49,6 +27,7 @@ namespace Reactor.Networking.MethodRpc
                 {
                     writer.Write(o);
                 }
+                Logger<ReactorPlugin>.Debug($"Serialized {o.GetType()}");
             }
         }
 
@@ -58,51 +37,44 @@ namespace Reactor.Networking.MethodRpc
             {
                 case int i:
                     writer.WritePacked(i);
-                    Logger<ReactorPlugin>.Debug($"Serialized int");
                     break;
                 case uint i:
                     writer.WritePacked(i);
-                    Logger<ReactorPlugin>.Debug($"Serialized uint");
                     break;
                 case byte i:
                     writer.Write(i);
-                    Logger<ReactorPlugin>.Debug($"Serialized byte");
                     break;
                 case float i:
                     writer.Write(i);
-                    Logger<ReactorPlugin>.Debug($"Serialized float");
                     break;
                 case sbyte i:
                     writer.Write(i);
-                    Logger<ReactorPlugin>.Debug($"Serialized sbyte");
                     break;
                 case ushort i:
                     writer.Write(i);
-                    Logger<ReactorPlugin>.Debug($"Serialized ushort");
                     break;
                 case bool i:
                     writer.Write(i);
-                    Logger<ReactorPlugin>.Debug($"Serialized bool");
                     break;
                 case Vector2 i:
                     writer.Write(i);
-                    Logger<ReactorPlugin>.Debug($"Serialized Vector2");
                     break;
                 case string i:
                     writer.Write(i);
-                    Logger<ReactorPlugin>.Debug($"Serialized string");
                     break;
                 default:
                     if (o.GetType().IsSubclassOf(typeof(InnerNetObject)))
                     {
-                        Logger<ReactorPlugin>.Debug($"Serialized {nameof(InnerNetObject)}");
-                        writer.WritePacked(((InnerNetObject)o).NetId);
+                        writer.WriteNetObject((InnerNetObject) o);
+                    }
+                    else if (ReaderWriterManager.Instance.All.ContainsKey(o.GetType()))
+                    {
+                        ReaderWriterManager.Instance.All[o.GetType()].UnsafeWrite(writer, o);
                     }
                     else
                     {
-                        Logger<ReactorPlugin>.Warning($"Tried serializing unsupported type {nameof(o)}");
+                        Logger<ReactorPlugin>.Warning($"Tried serializing unsupported type {o.GetType()}");
                     }
-
                     break;
             }
         }
@@ -112,33 +84,34 @@ namespace Reactor.Networking.MethodRpc
         {
             Logger<ReactorPlugin>.Debug($"Deserializing {methodRpc.Parameters.Length} object");
 
-            List<object> args = new();
+            object[] args = new object[methodRpc.Parameters.Length];
 
-            foreach (var t in methodRpc.Parameters)
+            for (int i = 0; i < args.Length; i++)
             {
+                Type t = methodRpc.Parameters[i];
                 if (t.IsValueType && !t.IsPrimitive)
                 {
-                    List<object> structArgs = new();
-                    var feilds = methodRpc.StructBook[t];
-                    foreach (var feild in feilds)
-                    {
-                        var value = reader.Read(feild.FieldType);
-                        Logger<ReactorPlugin>.Debug($"Read {value} of {feild.FieldType.Name} for {methodRpc.Method.Name}");
-                        structArgs.Add(value);
-                    }
+                    var fields = methodRpc.StructBook[t];
                     
-                    args.Add(Activator.CreateInstance(t,args: structArgs.ToArray())); //Todo: Improve somehow
+                    object[] structArgs = new object[fields.Length];
+                    for (int n = 0; n < structArgs.Length; n++)
+                    {
+                        structArgs[n] = reader.Read(fields[n].FieldType);
+                        Logger<ReactorPlugin>.Debug($"Deserialized {fields[n].FieldType} from {t}");
+                    }
+                    t.GetType().GetConstructors().ToList().ForEach(x=>Logger<ReactorPlugin>.Info($"Gw {x.GetParameters().Length}"));
+
+                    args[i] =  Activator.CreateInstance(t,structArgs);
                 }
                 else
                 {
                     var value = reader.Read(t);
                     Logger<ReactorPlugin>.Debug($"Read {value} of {t.Name} for {methodRpc.Method.Name}");
-                    
-                    args.Add(value);
+                    args[i] = value;
                 }
             }
 
-            return args.ToArray();
+            return args;
         }
 
 
@@ -191,12 +164,45 @@ namespace Reactor.Networking.MethodRpc
 
             if (t.IsSubclassOf(typeof(InnerNetObject)))
             {
-                return GetFindObjectByNetIdInvoker(t)(new object[]{reader.ReadPackedUInt32()});
+                return reader.ReadNetObject(t);
+            }
+
+            if (ReaderWriterManager.Instance.All.ContainsKey(t.BaseType!))
+            {
+                return ReaderWriterManager.Instance.All[t.BaseType].UnsafeRead(reader);
             }
 
             Logger<ReactorPlugin>.Warning($"Tried deserializing unsupported type {t.BaseType.Name}");
             return null;
 
         }
+
+        #region InnerNetObject
+
+        private static readonly MethodInfo _findObjectByNetId =
+            typeof(RpcSerializer).GetMethod(nameof(FindObjectByNetId), BindingFlags.Static | BindingFlags.NonPublic);
+
+        private static Dictionary<Type, Func<object[], object>> _findObjectByNetIdInvokers = new();
+        static Func<object[], object> GetFindObjectByNetIdInvoker(Type type)
+        {
+            if (_findObjectByNetIdInvokers.ContainsKey(type)) return _findObjectByNetIdInvokers[type];
+
+            var invoker = RpcPrefixHandle.GenerateCaller(_findObjectByNetId.MakeGenericMethod(type));
+            _findObjectByNetIdInvokers.Add(type, invoker);
+            return invoker;
+        }
+
+        private static InnerNetObject FindObjectByNetId<T>(uint id) where T : InnerNetObject
+        {
+            return AmongUsClient.Instance.FindObjectByNetId<T>(id);
+        }
+
+        public static void WriteNetObject(this MessageWriter writer, InnerNetObject o) => writer.WritePacked(o.NetId);
+
+        public static InnerNetObject ReadNetObject(this MessageReader reader, Type t) =>
+            (InnerNetObject) GetFindObjectByNetIdInvoker(t)(new object[] {reader.ReadPackedUInt32()});
+
+        #endregion
+
     }
 }

Reactor/ReactorPlugin.cs

@@ -39,6 +39,7 @@ namespace Reactor
             RegisterInIl2CppAttribute.Initialize();
             RegisterCustomRpcAttribute.Initialize();
             MethodRpcAttribute.Initialize();
+            ReaderWriterAttribute.Initialize();
 
             ChainloaderHooks.OnPluginLoad(this);
         }