DarkRift 2 / .NET 6 - fixed update tick/loop for standalone plugin

GameTime.cs

public class GameTime
{
    private readonly Stopwatch stopwatch = new();

    public const float TicksPerSecond = 4f;
    public float FixedDeltaTime => 1f / TicksPerSecond;
    public long FixedDeltaTimeMiliseconds => (long)(FixedDeltaTime * 1000f);

    public long ElapsedMiliseconds => stopwatch.ElapsedMilliseconds;
    public long ElapsedTimeSeconds => stopwatch.ElapsedMilliseconds / 1000L;

    public GameTime()
    {
        stopwatch.Start();
    }
}

WorldManager.cs

private readonly Thread thread;
private readonly CancellationToken token;
private readonly GameTime gameTime = new();
private long previousElapsedMiliseconds = 0;
private long combinedDeltaTime = 0;

public WorldManager(PluginLoadData pluginLoadData) : base(pluginLoadData)
{
    thread = new(RunLoop);
    thread.Start();
}

private void RunLoop()
{
    previousElapsedMiliseconds = gameTime.ElapsedMiliseconds;

    while (!token.IsCancellationRequested)
    {
        long elapsed = gameTime.ElapsedMiliseconds;
        long deltaTime = elapsed - previousElapsedMiliseconds;
        previousElapsedMiliseconds = elapsed;

        combinedDeltaTime += deltaTime;

        while (combinedDeltaTime >= gameTime.FixedDeltaTimeMiliseconds)
        {
            combinedDeltaTime -= gameTime.FixedDeltaTimeMiliseconds;

            // tick here
        }
    }
}