make big display toggleable

TanksServer/TickSteps/DrawStateToFrame.cs

@@ -0,0 +1,37 @@
+using TanksServer.DrawSteps;
+using TanksServer.Helpers;
+using TanksServer.Services;
+
+namespace TanksServer.TickSteps;
+
+internal sealed class DrawStateToFrame(
+    IEnumerable<IDrawStep> drawSteps, LastFinishedFrameProvider lastFrameProvider
+) : ITickStep
+{
+    private const uint GameFieldPixelCount = MapService.PixelsPerRow * MapService.PixelsPerColumn;
+    private readonly List<IDrawStep> _drawSteps = drawSteps.ToList();
+
+    public Task TickAsync()
+    {
+        var buffer = CreateGameFieldPixelBuffer();
+        foreach (var step in _drawSteps)
+            step.Draw(buffer);
+        lastFrameProvider.LastFrame = buffer;
+        return Task.CompletedTask;
+    }
+
+    private static DisplayPixelBuffer CreateGameFieldPixelBuffer()
+    {
+        var data = new byte[10 + GameFieldPixelCount / 8];
+        var result = new DisplayPixelBuffer(data)
+        {
+            Magic1 = 0,
+            Magic2 = 19,
+            X = 0,
+            Y = 0,
+            WidthInTiles = MapService.TilesPerRow,
+            HeightInPixels = MapService.PixelsPerColumn
+        };
+        return result;
+    }
+}