public MazeCell GetNextNeighbour(MazeCell cell, Random rand)
{
List <MazeCell> list = new List <MazeCell>();
if (cell.X > 0 && !this.CellGrid[cell.X - 1][cell.Y].Visited)
{
list.Add(this.CellGrid[cell.X - 1][cell.Y]);
}
if (cell.X < this.CellGrid.Count - 1 && !this.CellGrid[cell.X + 1][cell.Y].Visited)
{
list.Add(this.CellGrid[cell.X + 1][cell.Y]);
}
if (cell.Y > 0 && !this.CellGrid[cell.X][cell.Y - 1].Visited)
{
list.Add(this.CellGrid[cell.X][cell.Y - 1]);
}
if (cell.Y < this.CellGrid[cell.X].Count - 1 && !this.CellGrid[cell.X][cell.Y + 1].Visited)
{
list.Add(this.CellGrid[cell.X][cell.Y + 1]);
}
if (list.Count > 0)
{
return(list[rand.Next(0, list.Count)]);
}
return(null);
}
public AbstractRuleSet GenerateRuleSet(int seed)
{
solutionWeights.Clear();
queryPropertyWeights.Clear();
rand = new Random(seed);
return(CreateRules(seed == RuleManager.DefaultSeed));
}
private static void PopulateMaze(Maze maze, Random rand, int numCells)
{
Stack <MazeCell> cellStack = new Stack <MazeCell>();
int x = rand.Next(0, numCells);
int y = rand.Next(0, numCells);
MazeCell cell = maze.GetCell(x, y);
MazeBuilder.VisitCell(cell, cellStack, maze, rand);
}
public static Maze BuildMaze(int numCells, Random rand)
{
Maze maze = new Maze();
maze.Size = numCells;
maze.CellGrid = new List <List <MazeCell> >();
for (int i = 0; i < numCells; i++)
{
List <MazeCell> list = new List <MazeCell>();
maze.CellGrid.Add(list);
for (int j = 0; j < numCells; j++)
{
MazeCell mazeCell = new MazeCell(i, j);
list.Add(mazeCell);
if (i > 0)
{
bool flag = rand.NextDouble() < 0.0;
if (flag)
{
mazeCell.HideLeft = true;
maze.CellGrid[i - 1][j].HideRight = true;
}
}
if (j > 0)
{
bool flag2 = rand.NextDouble() < 0.0;
if (flag2)
{
mazeCell.HideAbove = true;
maze.CellGrid[i][j - 1].HideBelow = true;
}
}
}
}
MazeBuilder.PopulateMaze(maze, rand, numCells);
return(maze);
}
private static void VisitCell(MazeCell cell, Stack <MazeCell> cellStack, Maze maze, Random rand)
{
cell.Visited = true;
MazeCell mazeCell = maze.GetNextNeighbour(cell, rand);
if (mazeCell != null)
{
MazeCell.RemoveWalls(cell, mazeCell);
cellStack.Push(cell);
MazeBuilder.VisitCell(mazeCell, cellStack, maze, rand);
}
else if (cellStack.Count > 0)
{
mazeCell = cellStack.Pop();
MazeBuilder.VisitCell(mazeCell, cellStack, maze, rand);
}
}
