private Direction[] GetNearbyCells(Point point, Func <CellColor, bool> test)
{
var fieldZone = new RectZone(0, 0, width, height);
var nearby = new List <Direction>();
foreach (var d in directions)
{
var p = point.Move(d.offset.X, d.offset.Y);
if (fieldZone.Contains(p) && (field[point.Y, point.X] & d.wall) == Wall.None && test(colors[p.Y, p.X]))
{
nearby.Add(d);
}
}
return(nearby.ToArray());
}
public void CheckSymmetry(int width, int height, int left, int top, int rw, int rh)
{
var mazeGenerator = new MazeGeneratorMock();
var field = mazeGenerator.CreateFieldWrapper(width, height);
var seed = DateTime.Now.Millisecond;
TestContext.WriteLine($"seed: {seed}");
var winZone = new RectZone(left, top, rw, rh);
mazeGenerator.GenerateWaysWrapper(field, winZone, new Random(seed));
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
Wall cell = field[y, x];
if (winZone.Contains(new Point(x, y)) == false)
{
Assert.That(cell, Is.Not.EqualTo(Wall.Full));
}
Wall symmetryCell = field[height - y - 1, width - x - 1];
if ((cell & Wall.Top) == Wall.Top && (symmetryCell & Wall.Bottom) == Wall.Bottom)
{
Assert.That(symmetryCell & Wall.Bottom, Is.EqualTo(Wall.Bottom));
}
else
{
Assert.That(symmetryCell & Wall.Bottom, Is.EqualTo(Wall.None));
}
if ((cell & Wall.Bottom) == Wall.Bottom)
{
Assert.That(symmetryCell & Wall.Top, Is.EqualTo(Wall.Top));
}
else
{
Assert.That(symmetryCell & Wall.Top, Is.EqualTo(Wall.None));
}
if ((cell & Wall.Left) == Wall.Left)
{
Assert.That(symmetryCell & Wall.Right, Is.EqualTo(Wall.Right));
}
else
{
Assert.That(symmetryCell & Wall.Right, Is.EqualTo(Wall.None));
}
if ((cell & Wall.Right) == Wall.Right)
{
Assert.That(symmetryCell & Wall.Left, Is.EqualTo(Wall.Left));
}
else
{
Assert.That(symmetryCell & Wall.Left, Is.EqualTo(Wall.None));
}
}
}
}