send scores to big display

TanksServer/ServicePointDisplay/PixelDisplayBufferView.cs

@@ -0,0 +1,29 @@
+using TanksServer.Helpers;
+using TanksServer.Services;
+
+namespace TanksServer.ServicePointDisplay;
+
+internal sealed class PixelDisplayBufferView : DisplayBufferView
+{
+    private PixelDisplayBufferView(byte[] data) : base(data)
+    {
+        Pixels = new FixedSizeBitFieldView(Data.AsMemory(10));
+    }
+
+    // ReSharper disable once CollectionNeverQueried.Global (setting values in collection updates underlying byte array)
+    public FixedSizeBitFieldView Pixels { get; }
+
+    public static PixelDisplayBufferView New(ushort x, ushort y, ushort widthInTiles, ushort pixelRows)
+    {
+        // 10 bytes header, one byte per tile row (with one bit each pixel) after that
+        var size = 10 + widthInTiles * pixelRows;
+        return new PixelDisplayBufferView(new byte[size])
+        {
+            Mode = 19,
+            TileX = x,
+            TileY = y,
+            WidthInTiles = widthInTiles,
+            RowCount = pixelRows
+        };
+    }
+}