attempt to gracefully reconnect, do not send notification for player on connect, do not check other players on framework update thread, delay palette+ sending data

MareSynchronos/WebAPI/Utils/ForeverRetryPolicy.cs

@@ -1,11 +1,35 @@
-using Microsoft.AspNetCore.SignalR.Client;
+using MareSynchronos.Mediator;
+using Microsoft.AspNetCore.SignalR.Client;
 
 namespace MareSynchronos.WebAPI.Utils;
 
 public class ForeverRetryPolicy : IRetryPolicy
 {
+    private readonly MareMediator _mediator;
+    private bool _sentDisconnected = false;
+
+    public ForeverRetryPolicy(MareMediator mediator)
+    {
+        _mediator = mediator;
+    }
+
     public TimeSpan? NextRetryDelay(RetryContext retryContext)
     {
-        return TimeSpan.FromSeconds(new Random().Next(10, 20));
+        TimeSpan timeToWait = TimeSpan.FromSeconds(new Random().Next(10, 20));
+        if (retryContext.PreviousRetryCount == 0)
+        {
+            _sentDisconnected = false;
+            timeToWait = TimeSpan.FromSeconds(1);
+        }
+        else if (retryContext.PreviousRetryCount == 1) timeToWait = TimeSpan.FromSeconds(2);
+        else if (retryContext.PreviousRetryCount == 2) timeToWait = TimeSpan.FromSeconds(3);
+        else
+        {
+            if (!_sentDisconnected)
+                _mediator.Publish(new DisconnectedMessage());
+            _sentDisconnected = true;
+        }
+
+        return timeToWait;
     }
 }