57 lines
1.5 KiB
C#
57 lines
1.5 KiB
C#
using System.Diagnostics;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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using TanksServer.TickSteps;
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namespace TanksServer;
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internal sealed class GameTickWorker(
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IEnumerable<ITickStep> steps, IHostApplicationLifetime lifetime, ILogger<GameTickWorker> logger
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) : IHostedService, IDisposable
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{
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private readonly CancellationTokenSource _cancellation = new();
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private readonly List<ITickStep> _steps = steps.ToList();
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private Task? _run;
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public Task StartAsync(CancellationToken cancellationToken)
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{
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_run = RunAsync();
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return Task.CompletedTask;
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}
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private async Task RunAsync()
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{
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try
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{
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var sw = new Stopwatch();
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while (!_cancellation.IsCancellationRequested)
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{
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logger.LogTrace("since last frame: {}", sw.Elapsed);
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sw.Restart();
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foreach (var step in _steps)
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await step.TickAsync();
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await Task.Delay(TimeSpan.FromMilliseconds(1000 / 25) - sw.Elapsed);
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}
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "game tick service crashed");
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lifetime.StopApplication();
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}
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}
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public async Task StopAsync(CancellationToken cancellationToken)
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{
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await _cancellation.CancelAsync();
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if (_run != null) await _run;
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}
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public void Dispose()
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{
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_cancellation.Dispose();
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_run?.Dispose();
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}
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}
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