send scores to big display

TanksServer/ServicePointDisplay/DisplayBufferView.cs

@@ -0,0 +1,64 @@
+using TanksServer.Models;
+
+namespace TanksServer.ServicePointDisplay;
+
+internal class DisplayBufferView(byte[] data)
+{
+    public byte[] Data => data;
+
+    public ushort Mode
+    {
+        get => GetTwoBytes(0);
+        set => SetTwoBytes(0, value);
+    }
+
+    public ushort TileX
+    {
+        get => GetTwoBytes(2);
+        set => SetTwoBytes(2, value);
+    }
+
+    public ushort TileY
+    {
+        get => GetTwoBytes(4);
+        set => SetTwoBytes(4, value);
+    }
+
+    public ushort WidthInTiles
+    {
+        get => GetTwoBytes(6);
+        set => SetTwoBytes(6, value);
+    }
+
+    public ushort RowCount
+    {
+        get => GetTwoBytes(8);
+        set => SetTwoBytes(8, value);
+    }
+
+    public TilePosition Position
+    {
+        get => new(TileX, TileY);
+        set
+        {
+            ArgumentOutOfRangeException.ThrowIfGreaterThan(value.X, ushort.MaxValue);
+            ArgumentOutOfRangeException.ThrowIfGreaterThan(value.Y, ushort.MaxValue);
+            ArgumentOutOfRangeException.ThrowIfNegative(value.X);
+            ArgumentOutOfRangeException.ThrowIfNegative(value.Y);
+
+            TileX = (ushort)value.X;
+            TileY = (ushort)value.Y;
+        }
+    }
+
+    private ushort GetTwoBytes(int index)
+    {
+        return (ushort)(data[index] * byte.MaxValue + data[index + 1]);
+    }
+
+    private void SetTwoBytes(int index, ushort value)
+    {
+        data[index] = (byte)(value / byte.MaxValue);
+        data[index + 1] = (byte)(value % byte.MaxValue);
+    }
+}