static public void RemoveCurrentWall(ref genCell[,] M, genCell current, genCell selected)
{
if (current.Row == selected.Row)
{
if (current.Col > selected.Col)
{
M[current.Row, current.Col - 1].Value = 0;
}
else
{
M[selected.Row, selected.Col - 1].Value = 0;
}
}
else
{
if (current.Row > selected.Row)
{
M[current.Row - 1, current.Col].Value = 0;
}
else
{
M[selected.Row - 1, selected.Col].Value = 0;
}
}
}
static public void RemoveWall(ref genCell[,] M)
{
genCell current = M[1, 1];
current.Visited = true;
Stack <genCell> stack = new Stack <genCell>();
do
{
List <genCell> cells = new List <genCell>();
int row = current.Row;
int col = current.Col;
if (row - 1 > 0 && !M[row - 2, col].Visited)
{
cells.Add(M[row - 2, col]);
}
if (col - 1 > 0 && !M[row, col - 2].Visited)
{
cells.Add(M[row, col - 2]);
}
if (row < Rows - 3 && !M[row + 2, col].Visited)
{
cells.Add(M[row + 2, col]);
}
if (col < Cols - 3 && !M[row, col + 2].Visited)
{
cells.Add(M[row, col + 2]);
}
if (cells.Count > 0)
{
genCell selected = cells[rand.Next(cells.Count)];
RemoveCurrentWall(ref M, current, selected);
selected.Visited = true;
M[selected.Row, selected.Col].Visited = true;
stack.Push(selected);
current = selected;
}
else
{
current = stack.Pop();
}
} while (stack.Count > 0);
}