From 99aabeffc96480a6c71db7d4837308850ea848f5 Mon Sep 17 00:00:00 2001
From: Sanae <atmatm6000@outlook.com>
Date: Sun, 8 May 2022 16:04:57 -0600
Subject: [PATCH] Add init packet

---
 Server/Server.cs                    |  3 +++
 Server/Settings.cs                  |  2 +-
 Shared/Packet/PacketType.cs         |  1 +
 Shared/Packet/Packets/InitPacket.cs | 19 +++++++++++++++++++
 4 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 Shared/Packet/Packets/InitPacket.cs

diff --git a/Server/Server.cs b/Server/Server.cs
index 94c7044..4280621 100644
--- a/Server/Server.cs
+++ b/Server/Server.cs
@@ -123,6 +123,9 @@ public class Server {
     private async void HandleSocket(Socket socket) {
         Client client = new Client(socket) {Server = this};
         IMemoryOwner<byte> memory = null!;
+        await client.Send(new InitPacket {
+            MaxPlayers = Settings.Instance.Server.MaxPlayers
+        });
         bool first = true;
         try {
             while (true) {
diff --git a/Server/Settings.cs b/Server/Settings.cs
index 710aef0..3d32fff 100644
--- a/Server/Settings.cs
+++ b/Server/Settings.cs
@@ -46,7 +46,7 @@ public class Settings {
     public class ServerTable {
         public string Address { get; set; } = IPAddress.Any.ToString();
         public ushort Port { get; set; } = 1027;
-        public byte MaxPlayers { get; set; } = 8;
+        public ushort MaxPlayers { get; set; } = 8;
     }
 
     public class ScenarioTable {
diff --git a/Shared/Packet/PacketType.cs b/Shared/Packet/PacketType.cs
index 016ceb7..6ccf020 100644
--- a/Shared/Packet/PacketType.cs
+++ b/Shared/Packet/PacketType.cs
@@ -2,6 +2,7 @@
 
 public enum PacketType : short {
     Unknown,
+    Init,
     Player,
     Cap,
     Game,
diff --git a/Shared/Packet/Packets/InitPacket.cs b/Shared/Packet/Packets/InitPacket.cs
new file mode 100644
index 0000000..dd92201
--- /dev/null
+++ b/Shared/Packet/Packets/InitPacket.cs
@@ -0,0 +1,19 @@
+using System.Runtime.InteropServices;
+
+namespace Shared.Packet.Packets;
+
+[Packet(PacketType.Init)]
+public struct InitPacket : IPacket {
+    public short Size { get; } = 2;
+    public ushort MaxPlayers = 0;
+
+    public InitPacket() { }
+
+    public void Serialize(Span<byte> data) {
+        MemoryMarshal.Write(data, ref MaxPlayers);
+    }
+
+    public void Deserialize(ReadOnlySpan<byte> data) {
+        MaxPlayers = MemoryMarshal.Read<ushort>(data);
+    }
+}
\ No newline at end of file