private static void CarvePassages(int cx, int cy, Cell[,] cells)
{
var directions = new List<Directions>
{
Directions.N,
Directions.S,
Directions.E,
Directions.W,
}
.OrderBy(x => Guid.NewGuid());
foreach (var direction in directions)
{
int nx = cx + DX[direction];
int ny = cy + DY[direction];
if (IsOutOfBounds(nx, ny, cells))
continue;
if (cells[nx, ny].Value != 0)
continue;
cells[cx, cy].Value |= (int)direction;
cells[nx, ny].Value |= (int)OPPOSITE[direction];
CarvePassages(nx, ny, cells);
}
}
public override void Update(GameTime gameTime)
{
if (this.MustUpdate)
{
for (int x = 0; x < Cells.GetLength(0); x++)
{
for (int y = 0; y < Cells.GetLength(1); y++)
{
Cell newCell = new Cell(Cells[x, y].Bounds,
Cells[x, y].Type,
Cells[x, y].Fill,
Cells[x, y].Animation);
newCell.Borders = Cells[x, y].Borders;
Cells[x, y] = null;
Cells[x, y] = newCell;
Cells[x, y].Texture =
Utils.RuntimeTextures.BasicBordered(
GraphicsDevice,
Cells[x, y].Fill,
Cells[x, y].Borders);
}
}
this.MustUpdate = false;
}
for (int x = 0; x < Cells.GetLength(0); x++)
{
for (int y = 0; y < Cells.GetLength(1); y++)
{
Cells[x, y].UpdateAnimation(gameTime);
}
}
base.Update(gameTime);
}
public void GenerateRandom()
{
this.Cells = new Cell[this.Size.X, this.Size.Y];
for (int x = 0; x < this.Size.X; x++)
{
for (int y = 0; y < this.Size.Y; y++)
{
Rectangle Bounds = new Rectangle(
x * CellSize.X, y * CellSize.Y,
CellSize.X, CellSize.Y);
Cell c = new Cell(Bounds);
c.Texture = Utils.RuntimeTextures.Basic(Parent.GraphicsDevice, Color.Transparent);
Cells.SetValue(c, x, y);
}
}
MazeGenerator.Do(this);
this.MustUpdate = true;
}
private static bool IsOutOfBounds(int x, int y, Cell[,] cells)
{
if (x < 0 || x > cells.GetLength(0) - 1)
return true;
if (y < 0 || y > cells.GetLength(1) - 1)
return true;
return false;
}