public void SolveStep()
{
CurrentCell.IsVisited = true; //Step 2.1.4
List <MazeCell> neighboringCells = GetUnvisitedNeighboringCellsList(CurrentCell, 1);
if (neighboringCells.Count > 0) //Step 2.1
{
MazeCell chosenCell = neighboringCells[Random.Next(neighboringCells.Count)]; //Step 2.1.1
CellsStack.Push(CurrentCell); //Step 2.1.2
CurrentCell = chosenCell; //Step 2.1.4
}
else if (CellsStack.Count > 0) //Step 2.2
{
CurrentCell = CellsStack.Pop(); //Step 2.2.1 and 2.2.2
}
else if (CellsStack.Count == 0)
{
throw new Exception("No solution.");
}
if (CurrentCell.X == Size.Width - 2 && CurrentCell.Y == Size.Height - 2)
{
Path.Add(new Point(CurrentCell.X, CurrentCell.Y));
foreach (MazeCell cell in CellsStack)
{
Path.Add(new Point(cell.X, cell.Y));
}
IsDone = true;
}
}
public void GenerateStep()
{
CurrentCell.IsVisited = true; //Step 2.1.4
List <MazeCell> neighboringCells = GetUnvisitedNeighboringCellsList(CurrentCell, 2);
if (neighboringCells.Count > 0) //Step 2.1
{
MazeCell chosenCell = neighboringCells[Random.Next(neighboringCells.Count)]; //Step 2.1.1
CellsStack.Push(CurrentCell); //Step 2.1.2
RemoveWallBetween2Cells(CurrentCell, chosenCell); //Step 2.1.3
CurrentCell = chosenCell; //Step 2.1.4
}
else if (CellsStack.Count > 0) //Step 2.2
{
CurrentCell = CellsStack.Pop(); //Step 2.2.1 and 2.2.2
}
else
{
IsDone = true;
}
void RemoveWallBetween2Cells(MazeCell currentCell, MazeCell chosenCell)
{
if (currentCell.X - chosenCell.X == -2)
{
Cells[currentCell.Y, currentCell.X + 1].IsWall = false;
}
else if (currentCell.X - chosenCell.X == 2)
{
Cells[currentCell.Y, currentCell.X - 1].IsWall = false;
}
else if (currentCell.Y - chosenCell.Y == -2)
{
Cells[currentCell.Y + 1, currentCell.X].IsWall = false;
}
else if (currentCell.Y - chosenCell.Y == 2)
{
Cells[currentCell.Y - 1, currentCell.X].IsWall = false;
}
}
}
