private void DoNextGenerationStep(List <MazeCell> activeCells)
{
// Get the last active cell to try to expand from it
int currentIndex = activeCells.Count - 1; //Random.Range(0,activeCells.Count);
MazeCell currentCell = activeCells[currentIndex];
// Cell is already fully expanded
if (currentCell.IsFullyInitialized())
{
activeCells.RemoveAt(currentIndex);
return;
}
// Create neighbor from expansion
MazeDirection direction = currentCell.RandomUninitializedDirection();
IntVector2 coordinates = currentCell.coordinates + direction.ToIntVector2();
// It is inside the maze
if (ContainsCoordinates(coordinates))
{
MazeCell neighbor = GetCell(coordinates);
// Doesn't already exist
if (neighbor == null)
{
neighbor = CreateCell(coordinates);
CreatePassage(currentCell, neighbor, direction);
activeCells.Add(neighbor);
}
else if (currentCell.room == neighbor.room && openRoom)
{
CreatePassageInSameRoom(currentCell, neighbor, direction);
}
// Already exists
else
{
CreateWall(currentCell, neighbor, direction);
}
}
// Outside maze
else
{
CreateWall(currentCell, null, direction);
}
}