idle timeout

TanksServer/GameLogic/PlayersConfiguration.cs

@@ -3,4 +3,6 @@ namespace TanksServer.GameLogic;
 public class PlayersConfiguration
 {
     public int SpawnDelayMs { get; set; }
+
+    public int IdleTimeoutMs { get; set; }
 }

TanksServer/GameLogic/SpawnQueue.cs

@@ -6,9 +6,10 @@ internal sealed class SpawnQueue(
     IOptions<PlayersConfiguration> options
 )
 {
-    private ConcurrentQueue<Player> _queue = new();
-    private ConcurrentDictionary<Player, DateTime> _spawnTimes = new();
+    private readonly ConcurrentQueue<Player> _queue = new();
+    private readonly ConcurrentDictionary<Player, DateTime> _spawnTimes = new();
     private readonly TimeSpan _spawnDelay = TimeSpan.FromMilliseconds(options.Value.SpawnDelayMs);
+    private readonly TimeSpan _idleTimeout = TimeSpan.FromMilliseconds(options.Value.IdleTimeoutMs);
 
     public void EnqueueForImmediateSpawn(Player player)
     {
@@ -24,13 +25,23 @@ internal sealed class SpawnQueue(
     public bool TryDequeueNext([MaybeNullWhen(false)] out Player player)
     {
         if (!_queue.TryDequeue(out player))
+            return false; // no one on queue
+
+        if (player.LastInput + _idleTimeout < DateTime.Now)
+        {
+            // player idle
+            _queue.Enqueue(player);
             return false;
-
+        }
+        
         var now = DateTime.Now;
-        if (_spawnTimes.GetOrAdd(player, DateTime.MinValue) <= now)
-            return true;
+        if (_spawnTimes.GetOrAdd(player, DateTime.MinValue) > now)
+        {
+            // spawn delay
+            _queue.Enqueue(player);
+            return false;
+        }
 
-        _queue.Enqueue(player);
-        return false;
+        return true;
     }
 }

TanksServer/Interactivity/ControlsServer.cs

@@ -83,6 +83,8 @@ internal sealed class ControlsServer(ILogger<ControlsServer> logger, ILoggerFact
                     _ => throw new ArgumentException("invalid message type")
                 };
 
+                _player.LastInput = DateTime.Now;
+                
                 switch (control)
                 {
                     case InputType.Forward:

TanksServer/Models/Player.cs

@@ -14,4 +14,6 @@ internal sealed class Player(string name)
     public int Kills { get; set; }
     
     public int Deaths { get; set; }
+
+    public DateTime LastInput { get; set; } = DateTime.Now;
 }

TanksServer/appsettings.json

@@ -16,7 +16,7 @@
     }
   },
   "ServicePointDisplay": {
-    "Enable": false,
+    "Enable": true,
     "Hostname": "172.23.42.29",
     "Port": 2342
   },
@@ -27,6 +27,7 @@
     "BulletSpeed": 8
   },
   "Players": {
-    "SpawnDelayMs": 3000
+    "SpawnDelayMs": 3000,
+    "IdleTimeoutMs": 30000
   }
 }