more configuration, limit rate of sent frames

TanksServer/GameLogic/CollideBulletsWithMap.cs

@@ -1,6 +1,10 @@
 namespace TanksServer.GameLogic;
 
-internal sealed class CollideBulletsWithMap(BulletManager bullets, MapService map) : ITickStep
+internal sealed class CollideBulletsWithMap(
+    BulletManager bullets,
+    MapService map,
+    IOptions<GameRulesConfiguration> options
+) : ITickStep
 {
     public Task TickAsync(TimeSpan _)
     {
@@ -14,6 +18,7 @@ internal sealed class CollideBulletsWithMap(BulletManager bullets, MapService ma
         if (!map.Current.IsWall(pixel))
             return false;
 
+        if (options.Value.DestructibleWalls)
             map.Current.DestroyWallAt(pixel);
         return true;
     }

TanksServer/GameLogic/GameRulesConfiguration.cs

@@ -0,0 +1,6 @@
+namespace TanksServer.GameLogic;
+
+public class GameRulesConfiguration
+{
+    public bool DestructibleWalls { get; set; } = true;
+}

TanksServer/Graphics/DrawTanksStep.cs

@@ -1,4 +1,3 @@
-using DisplayCommands;
 using SixLabors.ImageSharp;
 using SixLabors.ImageSharp.PixelFormats;
 using TanksServer.GameLogic;

TanksServer/Graphics/IDrawStep.cs

@@ -1,5 +1,3 @@
-using DisplayCommands;
-
 namespace TanksServer.Graphics;
 
 internal interface IDrawStep

TanksServer/Interactivity/ClientScreenServer.cs

@@ -8,10 +8,12 @@ namespace TanksServer.Interactivity;
 
 internal sealed class ClientScreenServer(
     ILogger<ClientScreenServer> logger,
-    ILoggerFactory loggerFactory
+    ILoggerFactory loggerFactory,
+    IOptions<HostConfiguration> hostConfig
 ) : IHostedLifecycleService, IFrameConsumer
 {
     private readonly ConcurrentDictionary<ClientScreenServerConnection, byte> _connections = new();
+    private readonly TimeSpan _minFrameTime = TimeSpan.FromMilliseconds(hostConfig.Value.ClientDisplayMinFrameTimeMs);
     private bool _closing;
 
     public Task StoppingAsync(CancellationToken cancellationToken)
@@ -34,6 +36,7 @@ internal sealed class ClientScreenServer(
             socket,
             loggerFactory.CreateLogger<ClientScreenServerConnection>(),
             this,
+            _minFrameTime,
             playerGuid);
         var added = _connections.TryAdd(connection, 0);
         Debug.Assert(added);

TanksServer/Interactivity/ClientScreenServerConnection.cs

@@ -11,18 +11,23 @@ internal sealed class ClientScreenServerConnection : IDisposable
     private readonly ILogger<ClientScreenServerConnection> _logger;
     private readonly ClientScreenServer _server;
     private readonly SemaphoreSlim _wantedFrames = new(1);
-    private readonly Guid? _playerGuid = null;
+    private readonly Guid? _playerGuid;
-    private readonly PlayerScreenData? _playerScreenData = null;
+    private readonly PlayerScreenData? _playerScreenData;
+    private readonly TimeSpan _minFrameTime;
+
+    private DateTime _nextFrameAfter = DateTime.Now;
 
     public ClientScreenServerConnection(
         WebSocket webSocket,
         ILogger<ClientScreenServerConnection> logger,
         ClientScreenServer server,
+        TimeSpan minFrameTime,
         Guid? playerGuid = null
     )
     {
         _server = server;
         _logger = logger;
+        _minFrameTime = minFrameTime;
 
         _playerGuid = playerGuid;
         if (playerGuid.HasValue)
@@ -42,12 +47,17 @@ internal sealed class ClientScreenServerConnection : IDisposable
 
     public async Task SendAsync(PixelGrid pixels, GamePixelGrid gamePixelGrid)
     {
+        if (_nextFrameAfter > DateTime.Now)
+            return;
+
         if (!await _wantedFrames.WaitAsync(TimeSpan.Zero))
         {
             _logger.LogTrace("client does not want a frame yet");
             return;
         }
 
+        _nextFrameAfter = DateTime.Today + _minFrameTime;
+
         if (_playerScreenData != null)
             RefreshPlayerSpecificData(gamePixelGrid);
 

TanksServer/Interactivity/SendToServicePointDisplay.cs

@@ -16,17 +16,22 @@ internal sealed class SendToServicePointDisplay : IFrameConsumer
     private readonly ILogger<SendToServicePointDisplay> _logger;
     private readonly PlayerServer _players;
     private readonly Cp437Grid _scoresBuffer;
-    private DateTime _nextFailLog = DateTime.Now;
+    private readonly TimeSpan _minFrameTime;
+
+    private DateTime _nextFailLogAfter = DateTime.Now;
+    private DateTime _nextFrameAfter = DateTime.Now;
 
     public SendToServicePointDisplay(
         PlayerServer players,
         ILogger<SendToServicePointDisplay> logger,
-        IDisplayConnection displayConnection
+        IDisplayConnection displayConnection,
+        IOptions<HostConfiguration> hostOptions
     )
     {
         _players = players;
         _logger = logger;
         _displayConnection = displayConnection;
+        _minFrameTime = TimeSpan.FromMilliseconds(hostOptions.Value.ServicePointDisplayMinFrameTimeMs);
 
         var localIp = _displayConnection.GetLocalIPv4().Split('.');
         Debug.Assert(localIp.Length == 4);
@@ -42,7 +47,12 @@ internal sealed class SendToServicePointDisplay : IFrameConsumer
 
     public async Task OnFrameDoneAsync(GamePixelGrid gamePixelGrid, PixelGrid observerPixels)
     {
+        if (DateTime.Now < _nextFrameAfter)
+            return;
+        _nextFrameAfter = DateTime.Now + _minFrameTime;
+
         RefreshScores();
+
         try
         {
             await _displayConnection.SendBitmapLinearWindowAsync(0, 0, observerPixels);
@@ -50,10 +60,10 @@ internal sealed class SendToServicePointDisplay : IFrameConsumer
         }
         catch (SocketException ex)
         {
-            if (DateTime.Now > _nextFailLog)
+            if (DateTime.Now > _nextFailLogAfter)
             {
                 _logger.LogWarning("could not send data to service point display: {}", ex.Message);
-                _nextFailLog = DateTime.Now + TimeSpan.FromSeconds(5);
+                _nextFailLogAfter = DateTime.Now + TimeSpan.FromSeconds(5);
             }
         }
     }

TanksServer/Models/HostConfiguration.cs

@@ -0,0 +1,10 @@
+namespace TanksServer.Models;
+
+public class HostConfiguration
+{
+    public bool EnableServicePointDisplay { get; set; } = true;
+
+    public int ServicePointDisplayMinFrameTimeMs { get; set; } = 25;
+
+    public int ClientDisplayMinFrameTimeMs { get; set; } = 25;
+}

TanksServer/Program.cs

@@ -3,6 +3,7 @@ using DisplayCommands;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.FileProviders;
 using TanksServer.GameLogic;
@@ -112,6 +113,11 @@ public static class Program
 
         builder.Services.AddHttpLogging(_ => { });
 
+        builder.Services.Configure<HostConfiguration>(builder.Configuration.GetSection("Host"));
+        var hostConfiguration = builder.Configuration.GetSection("Host").Get<HostConfiguration>();
+        if (hostConfiguration == null)
+            throw new InvalidOperationException("'Host' configuration missing");
+
         builder.Services.AddSingleton<MapService>();
         builder.Services.AddSingleton<BulletManager>();
         builder.Services.AddSingleton<TankManager>();
@@ -137,7 +143,6 @@ public static class Program
         builder.Services.AddSingleton<IDrawStep, DrawTanksStep>();
         builder.Services.AddSingleton<IDrawStep, DrawBulletsStep>();
 
-        builder.Services.AddSingleton<IFrameConsumer, SendToServicePointDisplay>();
         builder.Services.AddSingleton<IFrameConsumer, ClientScreenServer>(sp =>
             sp.GetRequiredService<ClientScreenServer>());
 
@@ -145,7 +150,13 @@ public static class Program
             builder.Configuration.GetSection("Tanks"));
         builder.Services.Configure<PlayersConfiguration>(
             builder.Configuration.GetSection("Players"));
+        builder.Services.Configure<GameRulesConfiguration>(builder.Configuration.GetSection("GameRules"));
+
+        if (hostConfiguration.EnableServicePointDisplay)
+        {
+            builder.Services.AddSingleton<IFrameConsumer, SendToServicePointDisplay>();
             builder.Services.AddDisplay(builder.Configuration.GetSection("ServicePointDisplay"));
+        }
 
         var app = builder.Build();
 

TanksServer/appsettings.json

@@ -16,7 +16,6 @@
         }
     },
     "ServicePointDisplay": {
-    "Enable": true,
         "Hostname": "172.23.42.29",
         "Port": 2342
     },
@@ -26,8 +25,16 @@
         "ShootDelayMs": 450,
         "BulletSpeed": 75
     },
+    "GameRules": {
+        "DestructibleWalls": true
+    },
     "Players": {
         "SpawnDelayMs": 3000,
         "IdleTimeoutMs": 30000
+    },
+    "Host": {
+        "EnableServicePointDisplay": true,
+        "ServicePointDisplayMinFrameTimeMs": 25,
+        "ClientScreenMinFrameTime": 5
     }
 }