Re-organize all projects (#4166)

Content.Shared/Administration/Menu/AdminMenuPlayerListMessage.cs

@@ -0,0 +1,48 @@
+#nullable enable
+using System.Collections.Generic;
+using Lidgren.Network;
+using Robust.Shared.Network;
+
+namespace Content.Shared.Administration.Menu
+{
+    public class AdminMenuPlayerListMessage : NetMessage
+    {
+        #region REQUIRED
+        public static readonly MsgGroups GROUP = MsgGroups.Command;
+        public static readonly string NAME = nameof(AdminMenuPlayerListMessage);
+        public AdminMenuPlayerListMessage(INetChannel channel) : base(NAME, GROUP) { }
+        #endregion
+
+        public List<PlayerInfo> PlayersInfo = new();
+
+        public override void ReadFromBuffer(NetIncomingMessage buffer)
+        {
+            var count = buffer.ReadInt32();
+
+            PlayersInfo.Clear();
+
+            for (var i = 0; i < count; i++)
+            {
+                var username = buffer.ReadString();
+                var characterName = buffer.ReadString();
+                var antag = buffer.ReadBoolean();
+
+                PlayersInfo.Add(new PlayerInfo(username, characterName, antag));
+            }
+        }
+
+        public override void WriteToBuffer(NetOutgoingMessage buffer)
+        {
+            buffer.Write(PlayersInfo.Count);
+
+            foreach (var player in PlayersInfo)
+            {
+                buffer.Write(player.Username);
+                buffer.Write(player.CharacterName);
+                buffer.Write(player.Antag);
+            }
+        }
+
+        public record PlayerInfo(string Username, string CharacterName, bool Antag);
+    }
+}