Timerix/FastArena
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

connection code for client

Browse Source
This commit is contained in:
Timerix
2025-07-11 19:08:41 +03:00
parent 7b809a2c60
commit 3738f802c5
19 changed files with 282 additions and 131 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
Assets/Network/Packets/ConnectionPackets.cs
View File

@@ -1,21 +1,75 @@
using System.Runtime.InteropServices;
using System.Security.Cryptography;
using UnityEngine;
using System;
using System.Runtime.InteropServices;
namespace FastArena
namespace FastArena.Network.Packets
{
internal struct Hash256
[StructLayout(LayoutKind.Sequential)]
internal readonly struct ConnectionRequestTCP
{
internal readonly PacketHeader header;
private SHA256 _sha256;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]
internal readonly byte[] clientKey;
public ConnectionRequestTCP()
public ConnectionRequestTCP(byte[] clientKey)
{
header = new PacketHeader(PacketType.ConnectionRequestTCP);
this.clientKey = clientKey;
}
}
[StructLayout(LayoutKind.Sequential)]
internal readonly struct ConnectionResponseTCP
{
internal readonly PacketHeader header;
internal readonly StatusCode statusCode;
internal readonly Guid sessionId;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]
internal readonly byte[] serverKey;
public ConnectionResponseTCP(StatusCode statusCode, Guid sessionId, byte[] serverKey)
{
header = new PacketHeader(PacketType.ConnectionResponseTCP);
this.statusCode = statusCode;
this.sessionId = sessionId;
this.serverKey = serverKey;
}
public void ValidateResponseCode()
{
if (statusCode != StatusCode.OK)
throw new StatusCodeException(statusCode);
}
}
[StructLayout(LayoutKind.Sequential)]
internal readonly struct ConnectionRequestUDP
{
internal readonly PacketHeader header;
internal readonly Guid sessionId;
public ConnectionRequestUDP(Guid sessionId)
{
header = new PacketHeader(PacketType.ConnectionRequestUDP);
this.sessionId = sessionId;
}
}
[StructLayout(LayoutKind.Sequential)]
internal readonly struct ConnectionResponseUDP
{
internal readonly PacketHeader header;
internal readonly StatusCode statusCode;
public ConnectionResponseUDP(StatusCode statusCode)
{
header = new PacketHeader(PacketType.ConnectionResponseUDP);
this.statusCode = statusCode;
}
public void ValidateResponseCode()
{
if (statusCode != StatusCode.OK)
throw new StatusCodeException(statusCode);
}
}
}

25
Assets/Network/Packets/CreateObjectPacket.cs
View File

@@ -1,18 +1,19 @@
using System.Runtime.InteropServices;
namespace FastArena;
[StructLayout(LayoutKind.Sequential)]
internal readonly struct CreateObjectPacket
namespace FastArena.Network.Packets
{
internal readonly PacketHeader header;
internal readonly int gameObjectId;
internal readonly string prefabPath;
internal CreateObjectPacket(int _gameObjectId, string _prefabPath)
[StructLayout(LayoutKind.Sequential)]
internal readonly struct CreateObjectPacket
{
header = new PacketHeader(PacketType.CreateObject);
gameObjectId = _gameObjectId;
prefabPath = _prefabPath;
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;
}
}
}

2
Assets/Network/Packets/PacketHeader.cs
View File

@@ -1,6 +1,6 @@
using System.Runtime.InteropServices;
namespace FastArena
namespace FastArena.Network.Packets
{
internal enum PacketType : ushort
{

21
Assets/Network/Packets/PacketParser.cs
View File

@@ -1,15 +1,16 @@
namespace FastArena;
internal static class PacketParser
namespace FastArena.Network.Packets
{
internal static PacketType ReadHeader(byte[] data)
internal static class PacketParser
{
var h = StructBinaryConverter.ReadStruct<PacketHeader>(data);
return h.magic == PacketHeader.MAGIC_CONST ? h.type : PacketType.Invalid;
}
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);
internal static T ReadPacket<T>(byte[] data) where T : unmanaged
{
return StructBinaryConverter.ReadStruct<T>(data);
}
}
}

46
Assets/Network/Packets/StructBinaryConverter.cs Normal file
View File

@@ -0,0 +1,46 @@
using System.Runtime.InteropServices;
namespace FastArena.Network.Packets
{
public static class StructBinaryConverter
{
public static byte[] GetBytes<T>(T s) where T : struct
{
return GetBytes(ref s);
}
public static byte[] GetBytes<T>(ref T s) where T : struct
{
int size = Marshal.SizeOf<T>();
// TODO: implement array pool
byte[] buffer = new byte[size];
// tel GC to not move the buffer in memory
var handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
try
{
Marshal.StructureToPtr(s, handle.AddrOfPinnedObject(), false);
}
finally
{
handle.Free();
}
return buffer;
}
public static T ReadStruct<T>(byte[] buffer) where T : struct
{
T s;
// tel GC to not move the buffer in memory
var handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
try
{
s = (T)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(T));
}
finally
{
handle.Free();
}
return s;
}
}
}

3
Assets/Network/Packets/StructBinaryConverter.cs.meta Normal file
View File

@@ -0,0 +1,3 @@
fileFormatVersion: 2
guid: 55c4eabd2994422da052a6dd70a1bdf4
timeCreated: 1719866226

29
Assets/Network/Packets/TransformUpdatePacket.cs
View File

@@ -1,21 +1,22 @@
using System.Runtime.InteropServices;
using UnityEngine;
namespace FastArena;
[StructLayout(LayoutKind.Sequential)]
internal readonly struct TransformUpdatePacket
namespace FastArena.Network.Packets
{
internal readonly PacketHeader header;
internal readonly int gameObjectId;
internal readonly Vector3 position;
internal readonly Quaternion rotation;
internal TransformUpdatePacket(int _gameObjectId, Transform transform)
[StructLayout(LayoutKind.Sequential)]
internal readonly struct TransformUpdatePacket
{
header = new PacketHeader(PacketType.TransformUpdate);
gameObjectId = _gameObjectId;
position = transform.position;
rotation = transform.rotation;
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;
}
}
}