initial commit

Assets/Network/Packets/ConnectionPackets.cs

@@ -0,0 +1,21 @@
+using System.Runtime.InteropServices;
+using System.Security.Cryptography;
+using UnityEngine;
+
+namespace FastArena
+{
+    internal struct Hash256
+    
+    [StructLayout(LayoutKind.Sequential)]
+    internal readonly struct ConnectionRequestTCP
+    {
+        internal readonly PacketHeader header;
+        private SHA256 _sha256;
+        
+        public ConnectionRequestTCP()
+        {
+            header = new PacketHeader(PacketType.ConnectionRequestTCP);
+            
+        }
+    }
+}

Assets/Network/Packets/ConnectionPackets.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 973e6f96c4a74c8299406cfe25e29414
+timeCreated: 1752080764

Assets/Network/Packets/CreateObjectPacket.cs

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+using System.Runtime.InteropServices;
+
+namespace FastArena;
+
+[StructLayout(LayoutKind.Sequential)]
+internal readonly struct CreateObjectPacket
+{
+    internal readonly PacketHeader header;
+    internal readonly int gameObjectId;
+    internal readonly string prefabPath;
+
+    internal CreateObjectPacket(int _gameObjectId, string _prefabPath)
+    {
+        header = new PacketHeader(PacketType.CreateObject);
+        gameObjectId = _gameObjectId;
+        prefabPath = _prefabPath;
+    }
+}

Assets/Network/Packets/CreateObjectPacket.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: a0bc94f4527d493d88a018b32d36ae4f
+timeCreated: 1752080638

Assets/Network/Packets/PacketHeader.cs

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+using System.Runtime.InteropServices;
+
+namespace FastArena
+{
+    internal enum PacketType : ushort
+    {
+        Invalid = 0, // not packet
+        
+        ConnectionRequestTCP,
+        ConnectionRequestUDP,
+        ConnectionResponseTCP,
+        ConnectionResponseUDP,
+        
+        TransformUpdate,
+        CreateObject
+    }
+
+    [StructLayout(LayoutKind.Sequential, Pack = 4)]
+    internal readonly struct PacketHeader
+    {
+        internal const ushort MAGIC_CONST = 0x6313;
+        
+        internal readonly ushort magic;
+        internal readonly PacketType type;
+
+        internal PacketHeader(PacketType t)
+        {
+            magic = MAGIC_CONST;
+            type = t;
+        }
+    }
+}

Assets/Network/Packets/PacketHeader.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: c5d47bd361a840ab95f8411ad0d2458a
+timeCreated: 1719857658

Assets/Network/Packets/PacketParser.cs

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+namespace FastArena;
+
+internal static class PacketParser
+{
+    internal static PacketType ReadHeader(byte[] data)
+    {
+        var h = StructBinaryConverter.ReadStruct<PacketHeader>(data);
+        return h.magic == PacketHeader.MAGIC_CONST ? h.type : PacketType.Invalid;
+    }
+
+    internal static T ReadPacket<T>(byte[] data) where T : unmanaged
+    {
+        return StructBinaryConverter.ReadStruct<T>(data);
+    }
+}

Assets/Network/Packets/PacketParser.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 6f0a0f3489a547308cf0e57b45bed6c6
+timeCreated: 1752080621

Assets/Network/Packets/TransformUpdatePacket.cs

@@ -0,0 +1,21 @@
+using System.Runtime.InteropServices;
+using UnityEngine;
+
+namespace FastArena;
+
+[StructLayout(LayoutKind.Sequential)]
+internal readonly struct TransformUpdatePacket
+{
+    internal readonly PacketHeader header;
+    internal readonly int gameObjectId; 
+    internal readonly Vector3 position;
+    internal readonly Quaternion rotation;
+
+    internal TransformUpdatePacket(int _gameObjectId, Transform transform)
+    {
+        header = new PacketHeader(PacketType.TransformUpdate);
+        gameObjectId = _gameObjectId;
+        position = transform.position;
+        rotation = transform.rotation;
+    }
+}

Assets/Network/Packets/TransformUpdatePacket.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: b57b439f5bd74ca1a4fdbe3621fae51d
+timeCreated: 1752080633