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Log when the simulation is frozen because a player has fallen behind #752

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Merged
notfood merged 1 commit into from
Oct 10, 2025
Merged

Log when the simulation is frozen because a player has fallen behind #752

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11 changes: 10 additions & 1 deletion Source/Common/MultiplayerServer.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using HarmonyLib;
using Multiplayer.Common.Networking.Packet;

namespace Multiplayer.Common
Expand Down Expand Up @@ -98,6 +99,7 @@ public void Run()
Stopwatch tickTime = Stopwatch.StartNew();
double realTime = 0;

List<ServerPlayer> playersBehind = [];
while (running)
{
try
Expand All @@ -117,13 +119,20 @@ public void Run()
int ticked = 0;
while (realTime > 0 && ticked < 2)
{
playersBehind.Clear();
playersBehind.AddRange(PlayingIngamePlayers.Where(p => p.ExtrapolatedTicksBehind > 90));
if (!freezeManager.Frozen &&
PlayingPlayers.Any(p => p.ExtrapolatedTicksBehind < 40) &&
!PlayingIngamePlayers.Any(p => p.ExtrapolatedTicksBehind > 90))
!playersBehind.Any())
{
gameTimer++;
sentCmdsSnapshot = commands.SentCmds;
}
else if (playersBehind.Any())
{
var text = playersBehind.Join(p => $"{p.Username}");
ServerLog.Log($"Simulation paused because some players are too far behind: {text}");
}

// Run up to three times slower depending on max ticksBehind
var slowdown = Math.Min(
Expand Down
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