reposition tanks on map switch, rework map logic

tanks-backend/TanksServer/GameLogic/Map.cs

@@ -0,0 +1,32 @@
+namespace TanksServer.GameLogic;
+
+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(PixelPosition position) => walls[position.X, position.Y];
+
+    public bool IsWall(TilePosition position)
+    {
+        var pixel = position.ToPixelPosition();
+
+        for (short dx = 0; dx < MapService.TileSize; dx++)
+        for (short dy = 0; dy < MapService.TileSize; dy++)
+        {
+            if (IsWall(pixel.GetPixelRelative(dx, dy)))
+                return true;
+        }
+
+        return false;
+    }
+
+    public bool TryDestroyWallAt(PixelPosition pixel)
+    {
+        var result = walls[pixel.X, pixel.Y];
+        if (result)
+            walls[pixel.X, pixel.Y] = false;
+        return result;
+    }
+}