public string Dump(MazeGrid maze, Point currentPosition = null)
{
var sb = new StringBuilder();
for (int rowIndex = 0; rowIndex < maze.Grid.Length; rowIndex++)
{
var row = maze.Grid[rowIndex];
for (int columnIndex = 0; columnIndex < row.Length; columnIndex++)
{
string pointMarker = row[columnIndex] ? "." : "#";
if (maze.StartPosition.X == columnIndex && maze.StartPosition.Y == rowIndex)
{
pointMarker = "S";
}
if (maze.Finish.X == columnIndex && maze.Finish.Y == rowIndex)
{
pointMarker = "F";
}
if (currentPosition?.X == columnIndex && currentPosition.Y == rowIndex)
{
pointMarker = "O";
}
sb.Append(pointMarker);
}
sb.AppendLine();
}
return(sb.ToString());
}
public MazeWalker(MazeGrid mazeGrid, IWalkerStateDumper stateDumper)
{
_mMazeGrid = mazeGrid;
_stateDumper = stateDumper;
CurrentPosition = _mMazeGrid.StartPosition;
Direction = Orientation.South;
}
private void Run(string mazeFilePath)
{
// MazeGrid maze = GetMaze(mazeFilePath);
// MazeGrid maze = GetMaze2(mazeFilePath);
MazeGrid maze = GetMaze3(mazeFilePath);
IWalkerStateDumper dumper = new BlandWalkerStateDumper();
// IWalkerStateDumper dumper = new FancyWalkerStateDumper(MazeVisualDumper, maze);
var entity = new MazeWalker(maze, dumper);
Console.Write(MazeVisualDumper.Dump(maze));
// bool mazeSolved = MazeSolver.SolveMaze(entity, maze.Finish);
// TODO: Delete
bool mazeSolved = AdvancedMazeSolver.SolveMaze(new MazeWalkerAdapter(entity), maze.Finish);
Console.WriteLine(mazeSolved ? "Reached end of maze! :)" : "Failed to reach end of maze. :(");
Console.ReadKey();
}
private void Run(string mazeFilePath)
{
var lines = new StreamReader(new FileStream(mazeFilePath, FileMode.Open)).ReadToEnd().Replace(" ", "").Split(new[] { Environment.NewLine }, StringSplitOptions.None);
Point start = null;
Point finish = null;
var grid = new bool[lines.Length][];
int currentRow = 0;
foreach (var line in lines)
{
grid[currentRow] = new bool[line.Length];
int currentCol = 0;
foreach (var point in line)
{
switch (point)
{
case '#':
grid[currentRow][currentCol] = false;
break;
case '.':
grid[currentRow][currentCol] = true;
break;
case 'S':
grid[currentRow][currentCol] = true;
start = new Point(currentCol, currentRow);
break;
case 'F':
grid[currentRow][currentCol] = true;
finish = new Point(currentCol, currentRow);
break;
default:
throw new Exception("Maze input string contains invalid characters");
}
currentCol++;
}
currentRow++;
}
if (start == null)
{
throw new Exception("Maze should have a start position set.");
}
if (finish == null)
{
throw new Exception("Maze should have a finish position set.");
}
var maze = new MazeGrid(grid, start, finish);
var entity = new DumbMazeWalker(maze);
bool endOfMazeReached = false;
while (!endOfMazeReached)
{
var couldMoveForward = entity.MoveForward();
if (!couldMoveForward)
{
entity.TurnRight();
}
else
{
if (entity.CanSeeLeftTurning())
{
entity.TurnLeft();
}
}
endOfMazeReached = maze.AtFinish(entity);
Console.WriteLine(entity.CurrentPosition);
}
Console.WriteLine("Reached end of maze! :)");
}
public FancyWalkerStateDumper(MazeVisualDumper mazeDumper, MazeGrid maze)
{
_mazeDumper = mazeDumper;
_maze = maze;
}
public DumbMazeWalker(MazeGrid mazeGrid)
{
m_MazeGrid = mazeGrid;
CurrentPosition = m_MazeGrid.StartPosition;
m_direc = Orientation.South;
}
private static MazeGrid GetMaze(string mazeFilePath)
{
// todo: handle \n newline characters instead of Environment.NewLine when you download a zip file
var lines = new StreamReader(new FileStream(mazeFilePath, FileMode.Open)).ReadToEnd().Replace(" ", "")
.Split(new[] { Environment.NewLine }, StringSplitOptions.None);
Point start = null;
Point finish = null;
var grid = new bool[lines.Length][];
int currentRow = 0;
foreach (var line in lines)
{
grid[currentRow] = new bool[line.Length];
int currentCol = 0;
foreach (var point in line)
{
switch (point)
{
case '#':
grid[currentRow][currentCol] = false;
break;
case '.':
grid[currentRow][currentCol] = true;
break;
case 'S':
grid[currentRow][currentCol] = true;
start = new Point(currentCol, currentRow);
break;
case 'F':
grid[currentRow][currentCol] = true;
finish = new Point(currentCol, currentRow);
break;
default:
throw new Exception("Maze input string contains invalid characters");
}
currentCol++;
}
currentRow++;
}
if (start == null)
{
throw new Exception("Maze should have a start position set.");
}
if (finish == null)
{
throw new Exception("Maze should have a finish position set.");
}
var maze = new MazeGrid(grid, start, finish);
return(maze);
}
public DumbMazeWalker(MazeGrid mazeGrid)
{
_mMazeGrid = mazeGrid;
CurrentPosition = _mMazeGrid.StartPosition;
_mDirec = Orientation.South;
}
