Merge branch 'uniffi'

.envrc

@@ -1 +1 @@
-use nix
+use flake

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1730327045,
+        "lastModified": 1731797254,
-        "narHash": "sha256-xKel5kd1AbExymxoIfQ7pgcX6hjw9jCgbiBjiUfSVJ8=",
+        "narHash": "sha256-df3dJApLPhd11AlueuoN0Q4fHo/hagP75LlM5K1sz9g=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "080166c15633801df010977d9d7474b4a6c549d7",
+        "rev": "e8c38b73aeb218e27163376a2d617e61a2ad9b59",
         "type": "github"
       },
       "original": {

tanks-backend/TanksServer.sln

@@ -1,5 +1,6 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
+# 
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TanksServer", "TanksServer\TanksServer.csproj", "{D88BF376-47A4-4C72-ADD1-983F9285C351}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "shared", "shared", "{12DB7D48-1BB2-488B-B4D9-4126087D2F8C}"
@@ -9,7 +10,19 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "shared", "shared", "{12DB7D
 		..\.envrc = ..\.envrc
 	EndProjectSection
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ServicePoint", "servicepoint/crates/servicepoint_binding_cs/ServicePoint/ServicePoint.csproj", "{DFCC69ED-E02B-4631-8A23-5D394BA01E03}"
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "servicepoint", "servicepoint", "{A10FB29A-9078-4E90-9CE1-E6C2B5209E19}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "crates", "crates", "{656A7CBA-9445-41CC-B1AF-A6897AAC9F17}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "servicepoint_binding_uniffi", "servicepoint_binding_uniffi", "{5FD9FAD7-07BA-4DF9-8C84-15A9558373F1}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "libraries", "libraries", "{6082A0DC-5345-48C8-BA2E-667754A2F0E9}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "csharp", "csharp", "{D8A3290B-5DFB-43C6-99EE-56AB5F53F468}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ServicePoint", "servicepoint\crates\servicepoint_binding_uniffi\libraries\csharp\ServicePoint\ServicePoint.csproj", "{D1DDCD0D-6152-45E6-B673-DD78C466BDC3}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ServicePoint.Tests", "servicepoint\crates\servicepoint_binding_uniffi\libraries\csharp\ServicePoint.Tests\ServicePoint.Tests.csproj", "{EF42D6B7-70B1-490B-BB5F-5A44D1309A7C}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -21,9 +34,21 @@ Global
 		{D88BF376-47A4-4C72-ADD1-983F9285C351}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{D88BF376-47A4-4C72-ADD1-983F9285C351}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{D88BF376-47A4-4C72-ADD1-983F9285C351}.Release|Any CPU.Build.0 = Release|Any CPU
-		{DFCC69ED-E02B-4631-8A23-5D394BA01E03}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D1DDCD0D-6152-45E6-B673-DD78C466BDC3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{DFCC69ED-E02B-4631-8A23-5D394BA01E03}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D1DDCD0D-6152-45E6-B673-DD78C466BDC3}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{DFCC69ED-E02B-4631-8A23-5D394BA01E03}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D1DDCD0D-6152-45E6-B673-DD78C466BDC3}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{DFCC69ED-E02B-4631-8A23-5D394BA01E03}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D1DDCD0D-6152-45E6-B673-DD78C466BDC3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EF42D6B7-70B1-490B-BB5F-5A44D1309A7C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EF42D6B7-70B1-490B-BB5F-5A44D1309A7C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EF42D6B7-70B1-490B-BB5F-5A44D1309A7C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EF42D6B7-70B1-490B-BB5F-5A44D1309A7C}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{656A7CBA-9445-41CC-B1AF-A6897AAC9F17} = {A10FB29A-9078-4E90-9CE1-E6C2B5209E19}
+		{5FD9FAD7-07BA-4DF9-8C84-15A9558373F1} = {656A7CBA-9445-41CC-B1AF-A6897AAC9F17}
+		{6082A0DC-5345-48C8-BA2E-667754A2F0E9} = {5FD9FAD7-07BA-4DF9-8C84-15A9558373F1}
+		{D8A3290B-5DFB-43C6-99EE-56AB5F53F468} = {6082A0DC-5345-48C8-BA2E-667754A2F0E9}
+		{D1DDCD0D-6152-45E6-B673-DD78C466BDC3} = {D8A3290B-5DFB-43C6-99EE-56AB5F53F468}
+		{EF42D6B7-70B1-490B-BB5F-5A44D1309A7C} = {D8A3290B-5DFB-43C6-99EE-56AB5F53F468}
 	EndGlobalSection
 EndGlobal

tanks-backend/TanksServer/Endpoints.cs

@@ -1,3 +1,4 @@
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Text;
 using System.Text.Json;
@@ -7,7 +8,6 @@ using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.HttpResults;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Diagnostics.HealthChecks;
-using ServicePoint;
 using TanksServer.GameLogic;
 using TanksServer.Interactivity;
 
@@ -22,6 +22,8 @@ internal sealed class Endpoints(
     Connection displayConnection
 )
 {
+    [RequiresUnreferencedCode("Calls Microsoft.AspNetCore.Builder.EndpointRouteBuilderExtensions.MapPost(String, Delegate)")]
+    [RequiresDynamicCode("Calls Microsoft.AspNetCore.Builder.EndpointRouteBuilderExtensions.MapPost(String, Delegate)")]
     public void Map(WebApplication app)
     {
         app.MapPost("/player", PostPlayer);
@@ -31,7 +33,7 @@ internal sealed class Endpoints(
         app.Map("/controls", ConnectControlsAsync);
         app.MapGet("/map", () => mapService.MapNames);
         app.MapPost("/map", PostMap);
-        app.MapPost("/resetDisplay", () => displayConnection.Send(Command.HardReset().IntoPacket()));
+        app.MapPost("/resetDisplay", () => displayConnection.Send(Command.HardReset()));
         app.MapGet("/map/{name}", GetMapByName);
 
         app.MapHealthChecks("/health", new HealthCheckOptions
@@ -117,7 +119,7 @@ internal sealed class Endpoints(
         if (!mapService.TryGetPreview(name, out var preview))
             return TypedResults.NotFound();
 
-        var mapInfo = new MapInfo(prototype.Name, prototype.GetType().Name, preview.Data.ToArray());
+        var mapInfo = new MapInfo(prototype.Name, prototype.GetType().Name, preview.CopyRaw());
         return TypedResults.Ok(mapInfo);
     }
 

tanks-backend/TanksServer/GameLogic/CollideBullets.cs

@@ -88,13 +88,13 @@ internal sealed class CollideBullets : ITickStep
 
         pixel = pixel.GetPixelRelative(-4, -4);
         for (short dx = 0; dx < _explosiveSprite.Width; dx++)
-        for (short dy = 0; dy < _explosiveSprite.Height; dy++)
+            for (short dy = 0; dy < _explosiveSprite.Height; dy++)
-        {
+            {
-            if (!_explosiveSprite[dx, dy].HasValue)
+                if (!_explosiveSprite[dx, dy].HasValue)
-                continue;
+                    continue;
 
-            Core(pixel.GetPixelRelative(dx, dy));
+                Core(pixel.GetPixelRelative(dx, dy));
-        }
+            }
 
         return;
 

tanks-backend/TanksServer/GameLogic/EmptyTileFinder.cs

@@ -10,22 +10,22 @@ internal sealed class EmptyTileFinder(
         var maxMinDistance = 0d;
         TilePosition spawnTile = default;
         for (ushort x = 1; x < MapService.TilesPerRow - 1; x++)
-        for (ushort y = 1; y < MapService.TilesPerColumn - 1; y++)
+            for (ushort y = 1; y < MapService.TilesPerColumn - 1; y++)
-        {
+            {
-            var tile = new TilePosition(x, y);
+                var tile = new TilePosition(x, y);
-            if (mapService.Current.IsWall(tile))
+                if (mapService.Current.IsWall(tile))
-                continue;
+                    continue;
 
-            var tilePixelCenter = tile.GetCenter().ToFloatPosition();
+                var tilePixelCenter = tile.GetCenter().ToFloatPosition();
-            var minDistance = entityManager.AllEntities
+                var minDistance = entityManager.AllEntities
-                .Select(entity => entity.Position.Distance(tilePixelCenter))
+                    .Select(entity => entity.Position.Distance(tilePixelCenter))
-                .Aggregate(double.MaxValue, Math.Min);
+                    .Aggregate(double.MaxValue, Math.Min);
-            if (minDistance <= maxMinDistance)
+                if (minDistance <= maxMinDistance)
-                continue;
+                    continue;
 
-            maxMinDistance = minDistance;
+                maxMinDistance = minDistance;
-            spawnTile = tile;
+                spawnTile = tile;
-        }
+            }
 
         return spawnTile;
     }

tanks-backend/TanksServer/GameLogic/GameTickWorker.cs

@@ -7,13 +7,11 @@ internal sealed class GameTickWorker(
     IEnumerable<ITickStep> steps,
     IHostApplicationLifetime lifetime,
     ILogger<GameTickWorker> logger
-) : IHostedLifecycleService, IDisposable
+) : BackgroundService, IDisposable
 {
-    private readonly CancellationTokenSource _cancellation = new();
-    private readonly TaskCompletionSource _shutdownCompletion = new();
     private readonly List<ITickStep> _steps = steps.ToList();
 
-    public async Task StartedAsync(CancellationToken cancellationToken)
+    protected override async Task ExecuteAsync(CancellationToken cancellationToken)
     {
         await Task.Yield();
 
@@ -23,7 +21,7 @@ internal sealed class GameTickWorker(
 
         try
         {
-            while (!_cancellation.IsCancellationRequested)
+            while (!cancellationToken.IsCancellationRequested)
             {
                 var delta = sw.Elapsed;
                 sw.Restart();
@@ -37,19 +35,5 @@ internal sealed class GameTickWorker(
             logger.LogError(ex, "game tick service crashed");
             lifetime.StopApplication();
         }
-
-        _shutdownCompletion.SetResult();
     }
-
-    public Task StoppingAsync(CancellationToken cancellationToken) => _cancellation.CancelAsync();
-
-    public Task StopAsync(CancellationToken cancellationToken) => _shutdownCompletion.Task;
-
-    public void Dispose() => _cancellation.Dispose();
-
-    public Task StartAsync(CancellationToken cancellationToken) => Task.CompletedTask;
-
-    public Task StartingAsync(CancellationToken cancellationToken) => Task.CompletedTask;
-
-    public Task StoppedAsync(CancellationToken cancellationToken) => Task.CompletedTask;
 }

tanks-backend/TanksServer/GameLogic/Map.cs

@@ -4,7 +4,7 @@ internal sealed class Map(string name, bool[,] walls)
 {
     public string Name => name;
 
-    public bool IsWall(int x, int y) => walls[x, y];
+    public bool IsWall(ulong x, ulong y) => walls[x, y];
 
     public bool IsWall(PixelPosition position) => walls[position.X, position.Y];
 
@@ -12,12 +12,12 @@ internal sealed class Map(string name, bool[,] walls)
     {
         var pixel = position.ToPixelPosition();
 
-        for (short dx = 0; dx < MapService.TileSize; dx++)
+        for (long dx = 0; dx < (long)MapService.TileSize; dx++)
-        for (short dy = 0; dy < MapService.TileSize; dy++)
+            for (long dy = 0; dy < (long)MapService.TileSize; dy++)
-        {
+            {
-            if (IsWall(pixel.GetPixelRelative(dx, dy)))
+                if (IsWall(pixel.GetPixelRelative(dx, dy)))
-                return true;
+                    return true;
-        }
+            }
 
         return false;
     }

tanks-backend/TanksServer/GameLogic/MapEntityManager.cs

@@ -37,7 +37,7 @@ internal sealed class MapEntityManager(
         {
             Rotation = Random.Shared.NextDouble(),
             MaxBullets = _rules.MagazineSize,
-            BulletStats =new BulletStats(_rules.BulletSpeed, 0, false, false)
+            BulletStats = new BulletStats(_rules.BulletSpeed, 0, false, false)
         };
         _playerTanks[player] = tank;
         logger.LogInformation("Tank added for player {}", player.Name);

tanks-backend/TanksServer/GameLogic/MapService.cs

@@ -1,18 +1,17 @@
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.IO;
-using ServicePoint;
 using TanksServer.Graphics;
 
 namespace TanksServer.GameLogic;
 
 internal sealed class MapService
 {
-    public const ushort TilesPerRow = 44;
+    public static readonly ulong TilesPerRow = 44;
-    public const ushort TilesPerColumn = 20;
+    public static readonly ulong TilesPerColumn = ServicePointConstants.TileHeight;
-    public const ushort TileSize = 8;
+    public static readonly ulong TileSize = ServicePointConstants.TileSize;
-    public const ushort PixelsPerRow = TilesPerRow * TileSize;
+    public static readonly ulong PixelsPerRow = TilesPerRow * TileSize;
-    public const ushort PixelsPerColumn = TilesPerColumn * TileSize;
+    public static readonly ulong PixelsPerColumn = TilesPerColumn * TileSize;
 
     private readonly ConcurrentDictionary<string, MapPrototype> _mapPrototypes = new();
     private readonly ConcurrentDictionary<string, Bitmap> _mapPreviews = new();

tanks-backend/TanksServer/GameLogic/MoveTanks.cs

@@ -68,13 +68,13 @@ internal sealed class MoveTanks(
     {
         var (topLeft, _) = newPosition.GetBoundsForCenter(MapService.TileSize);
 
-        for (short y = 0; y < MapService.TileSize; y++)
+        for (ulong y = 0; y < MapService.TileSize; y++)
-        for (short x = 0; x < MapService.TileSize; x++)
+            for (ulong x = 0; x < MapService.TileSize; x++)
-        {
+            {
-            var pixelToCheck = topLeft.GetPixelRelative(x, y);
+                var pixelToCheck = topLeft.GetPixelRelative((long)x, (long)y);
-            if (map.Current.IsWall(pixelToCheck))
+                if (map.Current.IsWall(pixelToCheck))
-                return true;
+                    return true;
-        }
+            }
 
         return false;
     }

tanks-backend/TanksServer/GameLogic/SpriteMapPrototype.cs

@@ -11,7 +11,7 @@ internal sealed class SpriteMapPrototype : MapPrototype
 
     public SpriteMapPrototype(string name, Sprite sprite)
     {
-        if (sprite.Width != MapService.PixelsPerRow || sprite.Height != MapService.PixelsPerColumn)
+        if ((ulong)sprite.Width != MapService.PixelsPerRow || (ulong)sprite.Height != MapService.PixelsPerColumn)
             throw new FileLoadException($"invalid image size in file {Name}");
 
         Name = name;

tanks-backend/TanksServer/GameLogic/TextMapPrototype.cs

@@ -8,7 +8,7 @@ internal sealed class TextMapPrototype : MapPrototype
 
     public TextMapPrototype(string name, string text)
     {
-        if (text.Length != MapService.TilesPerColumn * MapService.TilesPerRow)
+        if ((ulong)text.Length != MapService.TilesPerColumn * MapService.TilesPerRow)
             throw new ArgumentException($"cannot load map {name}: invalid length");
         Name = name;
         Text = text;
@@ -19,20 +19,20 @@ internal sealed class TextMapPrototype : MapPrototype
     {
         var walls = new bool[MapService.PixelsPerRow, MapService.PixelsPerColumn];
 
-        for (ushort tileX = 0; tileX < MapService.TilesPerRow; tileX++)
+        for (ulong tileX = 0; tileX < MapService.TilesPerRow; tileX++)
-        for (ushort tileY = 0; tileY < MapService.TilesPerColumn; tileY++)
+            for (ulong tileY = 0; tileY < MapService.TilesPerColumn; tileY++)
-        {
-            var tile = new TilePosition(tileX, tileY);
-            if (Text[tileX + tileY * MapService.TilesPerRow] != '#')
-                continue;
-
-            for (byte pixelInTileX = 0; pixelInTileX < MapService.TileSize; pixelInTileX++)
-            for (byte pixelInTileY = 0; pixelInTileY < MapService.TileSize; pixelInTileY++)
             {
-                var (x, y) = tile.ToPixelPosition().GetPixelRelative(pixelInTileX, pixelInTileY);
+                var tile = new TilePosition(tileX, tileY);
-                walls[x, y] = true;
+                if (Text[(int)(tileX + tileY * MapService.TilesPerRow)] != '#')
+                    continue;
+
+                for (byte pixelInTileX = 0; pixelInTileX < MapService.TileSize; pixelInTileX++)
+                    for (byte pixelInTileY = 0; pixelInTileY < MapService.TileSize; pixelInTileY++)
+                    {
+                        var (x, y) = tile.ToPixelPosition().GetPixelRelative(pixelInTileX, pixelInTileY);
+                        walls[x, y] = true;
+                    }
             }
-        }
 
         return new Map(Name, walls);
     }

tanks-backend/TanksServer/GlobalUsings.cs

@@ -7,3 +7,4 @@ global using System.Threading.Tasks;
 global using Microsoft.Extensions.Logging;
 global using Microsoft.Extensions.Options;
 global using TanksServer.Models;
+global using ServicePoint;

tanks-backend/TanksServer/Graphics/DrawMapStep.cs

@@ -1,4 +1,3 @@
-using ServicePoint;
 using TanksServer.GameLogic;
 
 namespace TanksServer.Graphics;
@@ -9,24 +8,24 @@ internal sealed class DrawMapStep(MapService map) : IDrawStep
 
     private static void Draw(GamePixelGrid pixels, Map map)
     {
-        for (ushort y = 0; y < MapService.PixelsPerColumn; y++)
+        for (ulong y = 0; y < MapService.PixelsPerColumn; y++)
-        for (ushort x = 0; x < MapService.PixelsPerRow; x++)
+            for (ulong x = 0; x < MapService.PixelsPerRow; x++)
-        {
+            {
-            if (!map.IsWall(x, y))
+                if (!map.IsWall(x, y))
-                continue;
+                    continue;
 
-            pixels[x, y].EntityType = GamePixelEntityType.Wall;
+                pixels[x, y].EntityType = GamePixelEntityType.Wall;
-        }
+            }
     }
 
     public static void Draw(Bitmap pixels, Map map)
     {
-        for (ushort y = 0; y < MapService.PixelsPerColumn; y++)
+        for (ulong y = 0; y < MapService.PixelsPerColumn; y++)
-        for (ushort x = 0; x < MapService.PixelsPerRow; x++)
+            for (ulong x = 0; x < MapService.PixelsPerRow; x++)
-        {
+            {
-            if (!map.IsWall(x, y))
+                if (!map.IsWall(x, y))
-                continue;
+                    continue;
-            pixels[x, y] = true;
+                pixels.Set(x, y, true);
-        }
+            }
     }
 }

tanks-backend/TanksServer/Graphics/DrawPowerUpsStep.cs

@@ -30,16 +30,16 @@ internal sealed class DrawPowerUpsStep(MapEntityManager entityManager) : IDrawSt
     private static void DrawPowerUp(GamePixelGrid pixels, Sprite sprite, PixelPosition position)
     {
         for (byte dy = 0; dy < MapService.TileSize; dy++)
-        for (byte dx = 0; dx < MapService.TileSize; dx++)
+            for (byte dx = 0; dx < MapService.TileSize; dx++)
-        {
+            {
-            var pixelState = sprite[dx, dy];
+                var pixelState = sprite[dx, dy];
-            if (!pixelState.HasValue)
+                if (!pixelState.HasValue)
-                continue;
+                    continue;
 
-            var (x, y) = position.GetPixelRelative(dx, dy);
+                var (x, y) = position.GetPixelRelative(dx, dy);
-            pixels[x, y].EntityType = pixelState.Value
+                pixels[x, y].EntityType = pixelState.Value
-                ? GamePixelEntityType.PowerUp
+                    ? GamePixelEntityType.PowerUp
-                : null;
+                    : null;
-        }
+            }
     }
 }

tanks-backend/TanksServer/Graphics/DrawTanksStep.cs

@@ -5,7 +5,7 @@ namespace TanksServer.Graphics;
 internal sealed class DrawTanksStep(MapEntityManager entityManager) : IDrawStep
 {
     private readonly SpriteSheet _tankSprites =
-        SpriteSheet.FromImageFile("assets/tank.png", MapService.TileSize, MapService.TileSize);
+        SpriteSheet.FromImageFile("assets/tank.png", (int)MapService.TileSize, (int)MapService.TileSize);
 
     public void Draw(GamePixelGrid pixels)
     {
@@ -14,16 +14,16 @@ internal sealed class DrawTanksStep(MapEntityManager entityManager) : IDrawStep
             var tankPosition = tank.Bounds.TopLeft;
 
             for (byte dy = 0; dy < MapService.TileSize; dy++)
-            for (byte dx = 0; dx < MapService.TileSize; dx++)
+                for (byte dx = 0; dx < MapService.TileSize; dx++)
-            {
+                {
-                var pixel = _tankSprites[tank.Orientation][dx, dy];
+                    var pixel = _tankSprites[tank.Orientation][dx, dy];
-                if (!pixel.HasValue || !pixel.Value)
+                    if (!pixel.HasValue || !pixel.Value)
-                    continue;
+                        continue;
 
-                var (x, y) = tankPosition.GetPixelRelative(dx, dy);
+                    var (x, y) = tankPosition.GetPixelRelative(dx, dy);
-                pixels[x, y].EntityType = GamePixelEntityType.Tank;
+                    pixels[x, y].EntityType = GamePixelEntityType.Tank;
-                pixels[x, y].BelongsTo = tank.Owner;
+                    pixels[x, y].BelongsTo = tank.Owner;
-            }
+                }
         }
     }
 }

tanks-backend/TanksServer/Graphics/GamePixelGrid.cs

@@ -5,27 +5,27 @@ namespace TanksServer.Graphics;
 
 internal sealed class GamePixelGrid : IEnumerable<GamePixel>
 {
-    public int Width { get; }
+    public ulong Width { get; }
-    public int Height { get; }
+    public ulong Height { get; }
 
     private readonly GamePixel[,] _pixels;
 
-    public GamePixelGrid(int width, int height)
+    public GamePixelGrid(ulong width, ulong height)
     {
         Width = width;
         Height = height;
 
         _pixels = new GamePixel[width, height];
-        for (var y = 0; y < height; y++)
+        for (ulong y = 0; y < height; y++)
-        for (var x = 0; x < width; x++)
+            for (ulong x = 0; x < width; x++)
-            this[x, y] = new GamePixel();
+                this[x, y] = new GamePixel();
     }
 
-    public GamePixel this[int x, int y]
+    public GamePixel this[ulong x, ulong y]
     {
         get
         {
-            Debug.Assert(y * Width + x < _pixels.Length);
+            Debug.Assert(y * Width + x < (ulong)_pixels.Length);
             return _pixels[x, y];
         }
         set => _pixels[x, y] = value;
@@ -41,8 +41,8 @@ internal sealed class GamePixelGrid : IEnumerable<GamePixel>
 
     public IEnumerator<GamePixel> GetEnumerator()
     {
-        for (var y = 0; y < Height; y++)
+        for (ulong y = 0; y < Height; y++)
-        for (var x = 0; x < Width; x++)
+            for (ulong x = 0; x < Width; x++)
-            yield return this[x, y];
+                yield return this[x, y];
     }
 }

tanks-backend/TanksServer/Graphics/GeneratePixelsTickStep.cs

@@ -1,4 +1,3 @@
-using ServicePoint;
 using TanksServer.GameLogic;
 using TanksServer.Interactivity;
 
@@ -20,7 +19,7 @@ internal sealed class GeneratePixelsTickStep(
     public async ValueTask TickAsync(TimeSpan _)
     {
         Draw(_gamePixelGrid, _observerPixelGrid);
-        if (_observerPixelGrid.Data.SequenceEqual(_lastObserverPixelGrid.Data))
+        if (_observerPixelGrid.Equals(_lastObserverPixelGrid))
             return;
 
         await _consumers.Select(c => c.OnFrameDoneAsync(_gamePixelGrid, _observerPixelGrid))
@@ -37,12 +36,12 @@ internal sealed class GeneratePixelsTickStep(
             step.Draw(gamePixelGrid);
 
         observerPixelGrid.Fill(false);
-        for (var y = 0; y < MapService.PixelsPerColumn; y++)
+        for (ulong y = 0; y < MapService.PixelsPerColumn; y++)
-        for (var x = 0; x < MapService.PixelsPerRow; x++)
+            for (ulong x = 0; x < MapService.PixelsPerRow; x++)
-        {
+            {
-            if (gamePixelGrid[x, y].EntityType.HasValue)
+                if (gamePixelGrid[x, y].EntityType.HasValue)
-                observerPixelGrid[(ushort)x, (ushort)y] = true;
+                    observerPixelGrid.Set(x, y, true);
-        }
+            }
     }
 
     public void Dispose()

tanks-backend/TanksServer/Graphics/IFrameConsumer.cs

@@ -1,5 +1,3 @@
-using ServicePoint;
-
 namespace TanksServer.Graphics;
 
 internal interface IFrameConsumer

tanks-backend/TanksServer/Graphics/Sprite.cs

@@ -12,13 +12,13 @@ internal sealed class Sprite(bool?[,] data)
 
         var whitePixel = new Rgba32(byte.MaxValue, byte.MaxValue, byte.MaxValue, byte.MaxValue);
         for (var y = 0; y < image.Height; y++)
-        for (var x = 0; x < image.Width; x++)
+            for (var x = 0; x < image.Width; x++)
-        {
+            {
-            var pixelValue = image[x, y];
+                var pixelValue = image[x, y];
-            data[x, y] = pixelValue.A == 0
+                data[x, y] = pixelValue.A == 0
-                ? null
+                    ? null
-                : pixelValue == whitePixel;
+                    : pixelValue == whitePixel;
-        }
+            }
 
         return new Sprite(data);
     }
@@ -34,8 +34,8 @@ internal sealed class Sprite(bool?[,] data)
         var result = new bool[Width, Height];
 
         for (var y = 0; y < Height; y++)
-        for (var x = 0; x < Width; x++)
+            for (var x = 0; x < Width; x++)
-            result[x, y] = this[x, y] ?? false;
+                result[x, y] = this[x, y] ?? false;
 
         return result;
     }

tanks-backend/TanksServer/Graphics/SpriteSheet.cs

@@ -21,24 +21,24 @@ internal sealed class SpriteSheet(Sprite[,] sprites)
 
         var whitePixel = new Rgba32(byte.MaxValue, byte.MaxValue, byte.MaxValue, byte.MaxValue);
         for (var spriteY = 0; spriteY < spritesPerColumn; spriteY++)
-        for (var spriteX = 0; spriteX < spritesPerRow; spriteX++)
+            for (var spriteX = 0; spriteX < spritesPerRow; spriteX++)
-        {
-            var data = new bool?[spriteWidth, spriteHeight];
-            for (var dy = 0; dy < spriteHeight; dy++)
-            for (var dx = 0; dx < spriteWidth; dx++)
             {
-                var x = spriteX * spriteWidth + dx;
+                var data = new bool?[spriteWidth, spriteHeight];
-                var y = spriteY * spriteHeight + dy;
+                for (var dy = 0; dy < spriteHeight; dy++)
+                    for (var dx = 0; dx < spriteWidth; dx++)
+                    {
+                        var x = spriteX * spriteWidth + dx;
+                        var y = spriteY * spriteHeight + dy;
 
-                var pixelValue = image[x, y];
+                        var pixelValue = image[x, y];
-                data[dx, dy] = pixelValue.A == 0
+                        data[dx, dy] = pixelValue.A == 0
-                    ? null
+                            ? null
-                    : pixelValue == whitePixel;
+                            : pixelValue == whitePixel;
+                    }
+
+                sprites[spriteX, spriteY] = new Sprite(data);
             }
 
-            sprites[spriteX, spriteY] = new Sprite(data);
-        }
-
         return new SpriteSheet(sprites);
     }
 

tanks-backend/TanksServer/Interactivity/BufferPool.cs

@@ -2,13 +2,13 @@ using System.Buffers;
 
 namespace TanksServer.Interactivity;
 
-internal sealed class BufferPool: MemoryPool<byte>
+internal sealed class BufferPool : MemoryPool<byte>
 {
     private readonly MemoryPool<byte> _actualPool = Shared;
 
     public override int MaxBufferSize => int.MaxValue;
 
-    protected override void Dispose(bool disposing) {}
+    protected override void Dispose(bool disposing) { }
 
     public override IMemoryOwner<byte> Rent(int minBufferSize = -1)
     {
@@ -16,7 +16,7 @@ internal sealed class BufferPool: MemoryPool<byte>
         return new BufferPoolMemoryOwner(_actualPool.Rent(minBufferSize), minBufferSize);
     }
 
-    private sealed class BufferPoolMemoryOwner(IMemoryOwner<byte> actualOwner, int wantedSize): IMemoryOwner<byte>
+    private sealed class BufferPoolMemoryOwner(IMemoryOwner<byte> actualOwner, int wantedSize) : IMemoryOwner<byte>
     {
         public Memory<byte> Memory { get; } = actualOwner.Memory[..wantedSize];
 

tanks-backend/TanksServer/Interactivity/ClientScreenServer.cs

@@ -1,5 +1,4 @@
 using System.Net.WebSockets;
-using ServicePoint;
 using TanksServer.Graphics;
 
 namespace TanksServer.Interactivity;

tanks-backend/TanksServer/Interactivity/ClientScreenServerConnection.cs

@@ -1,6 +1,5 @@
 using System.Buffers;
 using System.Net.WebSockets;
-using ServicePoint;
 using TanksServer.Graphics;
 
 namespace TanksServer.Interactivity;
@@ -36,7 +35,7 @@ internal sealed class ClientScreenServerConnection
 
     private Package BuildNextPackage(Bitmap pixels, GamePixelGrid gamePixelGrid)
     {
-        var pixelsData = pixels.Data;
+        var pixelsData = pixels.CopyRaw();
         var nextPixels = _bufferPool.Rent(pixelsData.Length);
         pixelsData.CopyTo(nextPixels.Memory.Span);
 

tanks-backend/TanksServer/Interactivity/LoggingLifecycleService.cs

@@ -0,0 +1,42 @@
+using Microsoft.Extensions.Hosting;
+
+internal class LoggingLifecycleService(ILogger logger) : IHostedLifecycleService
+{
+    private protected readonly ILogger Logger = logger;
+
+    public virtual Task StartAsync(CancellationToken cancellationToken)
+    {
+        Logger.LogDebug("StartAsync");
+        return Task.CompletedTask;
+    }
+
+    public virtual Task StartedAsync(CancellationToken cancellationToken)
+    {
+        Logger.LogDebug("StartedAsync");
+        return Task.CompletedTask;
+    }
+
+    public virtual Task StartingAsync(CancellationToken cancellationToken)
+    {
+        Logger.LogDebug("StartingAsync");
+        return Task.CompletedTask;
+    }
+
+    public virtual Task StopAsync(CancellationToken cancellationToken)
+    {
+        Logger.LogDebug("StopAsync");
+        return Task.CompletedTask;
+    }
+
+    public virtual Task StoppedAsync(CancellationToken cancellationToken)
+    {
+        Logger.LogDebug("StoppedAsync");
+        return Task.CompletedTask;
+    }
+
+    public virtual Task StoppingAsync(CancellationToken cancellationToken)
+    {
+        Logger.LogDebug("StoppingAsync");
+        return Task.CompletedTask;
+    }
+}

tanks-backend/TanksServer/Interactivity/SendToServicePointDisplay.cs

@@ -1,7 +1,6 @@
 using System.Diagnostics;
 using System.Net;
 using System.Net.Sockets;
-using ServicePoint;
 using TanksServer.GameLogic;
 using TanksServer.Graphics;
 
@@ -17,7 +16,7 @@ internal sealed class SendToServicePointDisplay : IFrameConsumer, IDisposable
     private readonly MapService _mapService;
     private readonly ILogger<SendToServicePointDisplay> _logger;
     private readonly PlayerServer _players;
-    private readonly Cp437Grid _scoresBuffer;
+    private readonly CharGrid _scoresBuffer;
     private readonly TimeSpan _minFrameTime;
     private readonly IOptionsMonitor<HostConfiguration> _options;
 
@@ -42,13 +41,13 @@ internal sealed class SendToServicePointDisplay : IFrameConsumer, IDisposable
 
         var localIp = GetLocalIPv4(displayConfig.Value).Split('.');
         Debug.Assert(localIp.Length == 4);
-        _scoresBuffer = new Cp437Grid(12, 20);
+        _scoresBuffer = new CharGrid(ScoresWidth, ScoresHeight);
 
-        _scoresBuffer[00] = "== TANKS! ==";
+        _scoresBuffer.SetRow(00, "== TANKS! ==");
-        _scoresBuffer[01] = "-- scores --";
+        _scoresBuffer.SetRow(01, "-- scores --");
-        _scoresBuffer[17] = "--  join  --";
+        _scoresBuffer.SetRow(17, "--  join  --");
-        _scoresBuffer[18] = string.Join('.', localIp[..2]);
+        _scoresBuffer.SetRow(18, $"{localIp[0]}.{localIp[1]}".PadRight(ScoresWidth));
-        _scoresBuffer[19] = string.Join('.', localIp[2..]);
+        _scoresBuffer.SetRow(19, $"{localIp[2]}.{localIp[3]}".PadRight(ScoresWidth));
     }
 
     public async Task OnFrameDoneAsync(GamePixelGrid gamePixelGrid, Bitmap observerPixels)
@@ -66,9 +65,8 @@ internal sealed class SendToServicePointDisplay : IFrameConsumer, IDisposable
 
         try
         {
-            _displayConnection.Send(Command.BitmapLinearWin(0, 0, observerPixels.Clone(), CompressionCode.Lzma)
+            _displayConnection.Send(Command.BitmapLinearWin(0, 0, observerPixels, CompressionCode.Lzma));
-                .IntoPacket());
+            _displayConnection.Send(Command.Cp437Data(MapService.TilesPerRow, 0, _scoresBuffer.ToCp437()));
-            _displayConnection.Send(Command.Cp437Data(MapService.TilesPerRow, 0, _scoresBuffer.Clone()).IntoPacket());
         }
         catch (SocketException ex)
         {
@@ -95,14 +93,14 @@ internal sealed class SendToServicePointDisplay : IFrameConsumer, IDisposable
             var name = p.Name[..nameLength];
             var spaces = new string(' ', ScoresWidth - score.Length - nameLength);
 
-            _scoresBuffer[row] = name + spaces + score;
+            _scoresBuffer.SetRow(row, name + spaces + score);
             row++;
         }
 
         for (; row < 16; row++)
-            _scoresBuffer[row] = string.Empty;
+            _scoresBuffer.SetRow(row, new string(' ', ScoresWidth));
 
-        _scoresBuffer[16] = _mapService.Current.Name[..(Math.Min(ScoresWidth, _mapService.Current.Name.Length) - 1)];
+        _scoresBuffer.SetRow(16, _mapService.Current.Name[..(Math.Min(ScoresWidth, _mapService.Current.Name.Length) - 1)].PadRight(ScoresWidth));
     }
 
     private static string GetLocalIPv4(DisplayConfiguration configuration)

tanks-backend/TanksServer/Interactivity/WebsocketServer.cs

@@ -1,23 +1,23 @@
 using System.Diagnostics;
-using Microsoft.Extensions.Hosting;
 
 namespace TanksServer.Interactivity;
 
 internal abstract class WebsocketServer<T>(
     ILogger logger
-) : IHostedLifecycleService
+) : LoggingLifecycleService(logger)
     where T : WebsocketServerConnection
 {
     private bool _closing;
     private readonly ConcurrentDictionary<T, byte> _connections = [];
 
-    public async Task StoppingAsync(CancellationToken cancellationToken)
+    public async override Task StoppingAsync(CancellationToken cancellationToken)
     {
+        await base.StoppingAsync(cancellationToken);
         _closing = true;
-        logger.LogInformation("closing connections");
+        Logger.LogInformation("closing connections");
         await _connections.Keys.Select(c => c.CloseAsync())
             .WhenAll();
-        logger.LogInformation("closed connections");
+        Logger.LogInformation("closed connections");
     }
 
     protected IEnumerable<T> Connections => _connections.Keys;
@@ -26,7 +26,7 @@ internal abstract class WebsocketServer<T>(
     {
         if (_closing)
         {
-            logger.LogWarning("refusing connection because server is shutting down");
+            Logger.LogWarning("refusing connection because server is shutting down");
             await connection.CloseAsync();
             return;
         }
@@ -39,14 +39,4 @@ internal abstract class WebsocketServer<T>(
         _ = _connections.TryRemove(connection, out _);
         connection.Dispose();
     }
-
-    public Task StartAsync(CancellationToken cancellationToken) => Task.CompletedTask;
-
-    public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
-
-    public Task StartedAsync(CancellationToken cancellationToken) => Task.CompletedTask;
-
-    public Task StartingAsync(CancellationToken cancellationToken) => Task.CompletedTask;
-
-    public Task StoppedAsync(CancellationToken cancellationToken) => Task.CompletedTask;
 }

tanks-backend/TanksServer/Interactivity/WebsocketServerConnection.cs

@@ -3,7 +3,7 @@ namespace TanksServer.Interactivity;
 internal abstract class WebsocketServerConnection(
     ILogger logger,
     ByteChannelWebSocket socket
-): IDisposable
+) : IDisposable
 {
     protected readonly ByteChannelWebSocket Socket = socket;
     protected readonly ILogger Logger = logger;

tanks-backend/TanksServer/Models/PixelPosition.cs

@@ -4,12 +4,12 @@ using TanksServer.GameLogic;
 namespace TanksServer.Models;
 
 [DebuggerDisplay("({X} | {Y})")]
-internal readonly struct PixelPosition(int x, int y)
+internal readonly struct PixelPosition(ulong x, ulong y)
 {
-    public int X { get; } = (x + MapService.PixelsPerRow) % MapService.PixelsPerRow;
+    public ulong X { get; } = (x + MapService.PixelsPerRow) % MapService.PixelsPerRow;
-    public int Y { get; } = (y + MapService.PixelsPerColumn) % MapService.PixelsPerColumn;
+    public ulong Y { get; } = (y + MapService.PixelsPerColumn) % MapService.PixelsPerColumn;
 
-    public void Deconstruct(out int x, out int y)
+    public void Deconstruct(out ulong x, out ulong y)
     {
         x = X;
         y = Y;

tanks-backend/TanksServer/Models/PositionHelpers.cs

@@ -4,20 +4,20 @@ namespace TanksServer.Models;
 
 internal static class PositionHelpers
 {
-    public static PixelPosition GetPixelRelative(this PixelPosition position, short subX, short subY)
+    public static PixelPosition GetPixelRelative(this PixelPosition position, long subX, long subY)
-        => new(position.X + subX, position.Y + subY);
+        => new((ulong)((long)position.X + subX), (ulong)((long)position.Y + subY));
 
     public static PixelPosition ToPixelPosition(this FloatPosition position)
-        => new((int)Math.Round(position.X), (int)Math.Round(position.Y));
+        => new((ulong)Math.Round(position.X), (ulong)Math.Round(position.Y));
 
     public static PixelPosition ToPixelPosition(this TilePosition position) => new(
-        (ushort)(position.X * MapService.TileSize),
+        (ulong)(position.X * MapService.TileSize),
-        (ushort)(position.Y * MapService.TileSize)
+        (ulong)(position.Y * MapService.TileSize)
     );
 
     public static TilePosition ToTilePosition(this PixelPosition position) => new(
-        (ushort)(position.X / MapService.TileSize),
+        (ulong)(position.X / MapService.TileSize),
-        (ushort)(position.Y / MapService.TileSize)
+        (ulong)(position.Y / MapService.TileSize)
     );
 
     public static FloatPosition ToFloatPosition(this PixelPosition position) => new(position.X, position.Y);
@@ -28,10 +28,10 @@ internal static class PositionHelpers
             Math.Pow(p1.Y - p2.Y, 2)
         );
 
-    public static PixelBounds GetBoundsForCenter(this FloatPosition position, ushort size)
+    public static PixelBounds GetBoundsForCenter(this FloatPosition position, ulong size)
     {
-        var sub = (short)(-size / 2d);
+        var sub = (long)(-(long)size / 2d);
-        var add = (short)(size / 2d - 1);
+        var add = (long)(size / 2d - 1);
         var pixelPosition = position.ToPixelPosition();
         return new PixelBounds(
             pixelPosition.GetPixelRelative(sub, sub),

tanks-backend/TanksServer/Models/PowerUp.cs

@@ -11,7 +11,7 @@ internal enum PowerUpType
     SmartBullets,
 }
 
-internal sealed class PowerUp: IMapEntity
+internal sealed class PowerUp : IMapEntity
 {
     public required FloatPosition Position { get; init; }
 

tanks-backend/TanksServer/Models/Tank.cs

@@ -10,7 +10,8 @@ internal sealed class Tank(Player owner, FloatPosition position) : IMapEntity
 
     [JsonIgnore] public Player Owner { get; } = owner;
 
-    [JsonIgnore] public double Rotation
+    [JsonIgnore]
+    public double Rotation
     {
         get => _rotation;
         set

tanks-backend/TanksServer/Models/TilePosition.cs

@@ -4,8 +4,8 @@ using TanksServer.GameLogic;
 namespace TanksServer.Models;
 
 [DebuggerDisplay("({X} | {Y})")]
-internal readonly struct TilePosition(ushort x, ushort y)
+internal readonly struct TilePosition(ulong x, ulong y)
 {
-    public ushort X { get; } = (ushort)((x + MapService.TilesPerRow) % MapService.TilesPerRow);
+    public ulong X { get; } = (ulong)((x + MapService.TilesPerRow) % MapService.TilesPerRow);
-    public ushort Y { get; } = (ushort)((y + MapService.TilesPerColumn) % MapService.TilesPerColumn);
+    public ulong Y { get; } = (ulong)((y + MapService.TilesPerColumn) % MapService.TilesPerColumn);
 }

tanks-backend/TanksServer/Program.cs

@@ -1,8 +1,8 @@
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.FileProviders;
-using ServicePoint;
 using TanksServer.GameLogic;
 using TanksServer.Graphics;
 using TanksServer.Interactivity;
@@ -11,6 +11,8 @@ namespace TanksServer;
 
 public static class Program
 {
+    [RequiresUnreferencedCode("Calls Endpoints.Map")]
+    [RequiresDynamicCode("Calls Endpoints.Map")]
     public static async Task Main(string[] args)
     {
         var app = Configure(args);
@@ -25,6 +27,8 @@ public static class Program
         await app.RunAsync();
     }
 
+    [RequiresUnreferencedCode("Calls Microsoft.Extensions.DependencyInjection.OptionsConfigurationServiceCollectionExtensions.Configure<TOptions>(IConfiguration)")]
+    [RequiresDynamicCode("Calls Microsoft.Extensions.DependencyInjection.OptionsConfigurationServiceCollectionExtensions.Configure<TOptions>(IConfiguration)")]
     private static WebApplication Configure(string[] args)
     {
         var builder = WebApplication.CreateSlimBuilder(args);
@@ -43,10 +47,7 @@ public static class Program
                 .AllowAnyOrigin())
         );
 
-        builder.Services.ConfigureHttpJsonOptions(options =>
+        builder.Services.ConfigureHttpJsonOptions(options => options.SerializerOptions.TypeInfoResolverChain.Insert(0, new AppSerializerContext()));
-        {
-            options.SerializerOptions.TypeInfoResolverChain.Insert(0, new AppSerializerContext());
-        });
 
         builder.Services.AddHttpLogging(_ => { });
 
@@ -66,8 +67,8 @@ public static class Program
         builder.Services.AddSingleton<UpdatesPerSecondCounter>();
 
         builder.Services.AddHostedService<GameTickWorker>();
-        builder.Services.AddHostedService(sp => sp.GetRequiredService<ControlsServer>());
+        builder.Services.AddHostedService(FromServices<ControlsServer>);
-        builder.Services.AddHostedService(sp => sp.GetRequiredService<ClientScreenServer>());
+        builder.Services.AddHostedService(FromServices<ClientScreenServer>);
 
         builder.Services.AddSingleton<ITickStep, ChangeToRequestedMap>(sp =>
             sp.GetRequiredService<ChangeToRequestedMap>());
@@ -100,10 +101,7 @@ public static class Program
         builder.Services.AddSingleton<Connection>(sp =>
         {
             var config = sp.GetRequiredService<IOptions<DisplayConfiguration>>().Value;
-            var connection = Connection.Open($"{config.Hostname}:{config.Port}");
+            var connection = new Connection($"{config.Hostname}:{config.Port}");
-            if (connection == null)
-                throw new IOException($"Could not open connection to {config.Hostname}:{config.Port}");
-
             return connection;
         });
 
@@ -115,4 +113,6 @@ public static class Program
 
         return app;
     }
+
+    private static T FromServices<T>(IServiceProvider sp) where T : notnull => sp.GetRequiredService<T>();
 }

tanks-backend/TanksServer/TanksServer.csproj

@@ -29,7 +29,7 @@
     </ItemGroup>
 
     <ItemGroup>
-      <ProjectReference Include="..\servicepoint\crates\servicepoint_binding_cs\ServicePoint\ServicePoint.csproj" />
+      <ProjectReference Include="..\servicepoint\crates\servicepoint_binding_uniffi\libraries\csharp\ServicePoint\ServicePoint.csproj" />
     </ItemGroup>
 
 </Project>

tanks-backend/servicepoint

@@ -1 +1 @@
-Subproject commit f968f929173c6646acb7d9a3ed19112e626732b3
+Subproject commit 93657c9f85d021c04270e1f5af573a6cda51f18a