working tcp (kinda), send still brokey

AscNet.GameServer/Packet.cs

@@ -1,4 +1,6 @@
-using MessagePack;
+using System.Reflection;
+using AscNet.Common.Util;
+using MessagePack;
 
 namespace AscNet.GameServer
 {
@@ -73,4 +75,49 @@ namespace AscNet.GameServer
         }
     }
 #pragma warning restore CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
+
+    [AttributeUsage(AttributeTargets.Method)]
+    public class PacketHandler : Attribute
+    {
+        public string Name { get; }
+
+        public PacketHandler(string name)
+        {
+            Name = name;
+        }
+    }
+
+    public delegate void PacketHandlerDelegate(Session session, byte[] packet);
+
+    public static class PacketFactory
+    {
+        public static readonly Dictionary<string, PacketHandlerDelegate> Handlers = new();
+        static readonly Logger c = new("Factory", ConsoleColor.Yellow);
+
+        public static void LoadPacketHandlers()
+        {
+            c.Log("Loading Packet Handlers...");
+
+            IEnumerable<Type> classes = from t in Assembly.GetExecutingAssembly().GetTypes()
+                                        select t;
+
+            foreach (var method in classes.SelectMany(t => t.GetMethods(BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic)))
+            {
+                var attr = method.GetCustomAttribute<PacketHandler>(false);
+                if (attr == null || Handlers.ContainsKey(attr.Name)) continue;
+                Handlers.Add(attr.Name, (PacketHandlerDelegate)Delegate.CreateDelegate(typeof(PacketHandlerDelegate), method));
+#if DEBUG
+                c.Log($"Loaded {method.Name}");
+#endif
+            }
+
+            c.Log("Finished Loading Packet Handlers");
+        }
+
+        public static PacketHandlerDelegate? GetPacketHandler(string name)
+        {
+            Handlers.TryGetValue(name, out PacketHandlerDelegate? handler);
+            return handler;
+        }
+    }
 }