OldThink/Content.Shared/_White/JoinQueue/MsgQueueUpdate.cs

using Lidgren.Network;
using Robust.Shared.Network;
using Robust.Shared.Serialization;

namespace Content.Shared._White.JoinQueue;

/// <summary>
///     Sent from server to client with queue state for player
///     Also initiates queue state on client
/// </summary>
public sealed class MsgQueueUpdate : NetMessage
{
    public override MsgGroups MsgGroup => MsgGroups.Command;

    /// <summary>
    /// Total players in queue
    /// </summary>
    public int Total { get; set; }

    /// <summary>
    /// Player current position in queue (starts from 1)
    /// </summary>
    public int Position { get; set; }

    public override void ReadFromBuffer(NetIncomingMessage buffer, IRobustSerializer serializer)
    {
        Total = buffer.ReadInt32();
        Position = buffer.ReadInt32();
    }

    public override void WriteToBuffer(NetOutgoingMessage buffer, IRobustSerializer serializer)
    {
        buffer.Write(Total);
        buffer.Write(Position);
    }
}