Change manual packet numbering to a dictionary

MistoxServer/mPacket/NetworkPacketDictionary.cs

@@ -7,17 +7,38 @@ namespace Mistox.Attributes {
     public class NetworkPacketDictionary {
     
         // Fills out the NetworkPacket Lookup Dictionary
-        public static readonly Dictionary<byte, Type> ClientToClientPackets = new();
-        public static readonly Dictionary<byte, Type> ServerToClientPackets = new();
+        public static readonly Dictionary<ushort, Type> PacketLookupTable = new();
+        public static readonly Dictionary<Type, ushort> PacketIDTable = new();
+
+        // Have a way to assign a number to the packet that will run the same ever time
+        static ushort GetDeterministicHashCode(string str) {
+            unchecked {
+                uint hash = 2166136261;
+                foreach (char c in str) {
+                    hash = (hash ^ c) * 16777619;
+                }
+                return (ushort)(hash % 0xFFFF);
+            }
+        }
+
+        // Map all packets to a number [ Error on packet collisions ]
         public static void BuildNetworkPacketList() {
-            Type[] allClasses = Assembly.GetExecutingAssembly().GetTypes();
-            foreach( Type cur in allClasses) {
-                mPacket attribute = cur.GetCustomAttribute<mPacket>(false);
-                if (attribute != null) {
-                    if ( attribute.PacketUse.HasFlag(PacketUsage.ClientToClient) ) {
-                        ClientToClientPackets[attribute.ID] = cur;
-                    } else if ( attribute.PacketUse.HasFlag(PacketUsage.ClientToServer) ) {
-                        ServerToClientPackets[attribute.ID] = cur;
+            Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();
+            foreach (Assembly assembly in assemblies) {
+                Type[] allClasses = assembly.GetTypes();
+                foreach( Type cur in allClasses) {
+                    mPacket attribute = cur.GetCustomAttribute<mPacket>(false);
+                    if (attribute != null) {
+
+                        // Generate a deterministic 16-bit ID based on the Type's FullName
+                        string identifier = cur.FullName ?? cur.Name;
+                        ushort packetId = GetDeterministicHashCode(identifier);
+
+                        if (PacketLookupTable.ContainsKey(packetId)) {
+                            throw new Exception($"CRITICAL: Duplicate Packet ID detected! ID {packetId} is used by both {PacketLookupTable[packetId].Name} and {cur.Name}");
+                        }
+                        PacketLookupTable[packetId] = cur;
+                        PacketIDTable[cur] = packetId;
                     }
                 }
             }