/// <summary>
/// get state position - call to getState (state pool).
/// </summary>
/// <param name="row">in row</param>
/// <param name="col">in col</param>
/// <returns>state at positon[row,col]</returns>
private State <MazeLib.Position> CreatePos(int row, int col)
{
MazeLib.Position tempPos = new MazeLib.Position(row, col);
State <MazeLib.Position> tempState = State <MazeLib.Position> .StatePool.GetState(tempPos);
return(tempState);
}
/// <summary>
/// check his all relevant niegbours
/// </summary>
/// <param name="s">check s neighbors</param>
/// <returns> the list of them</returns>
public List <State <Position> > getAllPossibleStates(State <Position> s)
{
List <State <MazeLib.Position> > myNeigbours = new List <State <MazeLib.Position> >();
// up
if ((s.getState().Row - 1 >= 0) && (myMaze[s.getState().Row - 1, s.getState().Col] == 0))
{
MazeLib.Position upPosition = new MazeLib.Position(s.getState().Row - 1, s.getState().Col);
State <MazeLib.Position> up = new State <MazeLib.Position>(upPosition);
up.CameFrom = s;
myNeigbours.Add(up);
}
//right
if ((s.getState().Col + 1 < myMaze.Cols) && (myMaze[s.getState().Row, s.getState().Col + 1] == 0))
{
MazeLib.Position rightPosition = new MazeLib.Position(s.getState().Row, s.getState().Col + 1);
State <MazeLib.Position> right = new State <MazeLib.Position>(rightPosition);
right.CameFrom = s;
myNeigbours.Add(right);
}
// down
if ((s.getState().Row + 1 < myMaze.Rows) && (myMaze[s.getState().Row + 1, s.getState().Col] == 0))
{
Position downPosition = new Position(s.getState().Row + 1, s.getState().Col);
State <Position> down = new State <Position>(downPosition);
down.CameFrom = s;
myNeigbours.Add(down);
}
//left
if ((s.getState().Col - 1 >= 0) && (myMaze[s.getState().Row, s.getState().Col - 1] == 0))
{
Position leftPosition = new Position(s.getState().Row, s.getState().Col - 1);
State <Position> left = new State <Position>(leftPosition);
left.CameFrom = s;
myNeigbours.Add(left);
}
return(myNeigbours);
}
/// <summary>
/// returning a list of the possible states for the given state
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public List <State <MazeLib.Position> > GetAllPossibleStates(State <MazeLib.Position> s)
{
List <State <MazeLib.Position> > possibleStates = new List <State <MazeLib.Position> >();
if (s.Getstate().Col + 1 < maze.Cols && maze[s.Getstate().Row, s.Getstate().Col + 1] == CellType.Free)
{
MazeLib.Position position = new MazeLib.Position(s.Getstate().Row, s.Getstate().Col + 1);
State <MazeLib.Position> state = State <MazeLib.Position> .StatePool.GetState(position);
possibleStates.Add(state);
}
if (s.Getstate().Row - 1 >= 0 && maze[s.Getstate().Row - 1, s.Getstate().Col] == CellType.Free)
{
MazeLib.Position position = new MazeLib.Position(s.Getstate().Row - 1, s.Getstate().Col);
State <MazeLib.Position> state = State <MazeLib.Position> .StatePool.GetState(position);
possibleStates.Add(state);
}
if (s.Getstate().Col - 1 >= 0 && maze[s.Getstate().Row, s.Getstate().Col - 1] == CellType.Free)
{
MazeLib.Position position = new MazeLib.Position(s.Getstate().Row, s.Getstate().Col - 1);
State <MazeLib.Position> state = State <MazeLib.Position> .StatePool.GetState(position);
possibleStates.Add(state);
}
if (s.Getstate().Row + 1 < maze.Rows && maze[s.Getstate().Row + 1, s.Getstate().Col] == CellType.Free)
{
MazeLib.Position position = new MazeLib.Position(s.Getstate().Row + 1, s.Getstate().Col);
State <MazeLib.Position> state = State <MazeLib.Position> .StatePool.GetState(position);
possibleStates.Add(state);
}
return(possibleStates);
}
public List <State <MazeLib.Position> > getAllPossibleStates(State <MazeLib.Position> s)
{
List <State <MazeLib.Position> > possibleStates = new List <State <MazeLib.Position> >();
if (maze[s.getstate().Row, s.getstate().Col + 1] == 0)
{
MazeLib.Position position = new MazeLib.Position(s.getstate().Row, s.getstate().Col + 1);
State <MazeLib.Position> state = State <MazeLib.Position> .StatePool.getState(position);
possibleStates.Add(state);
}
if (maze[s.getstate().Row - 1, s.getstate().Col] == 0)
{
MazeLib.Position position = new MazeLib.Position(s.getstate().Row - 1, s.getstate().Col);
State <MazeLib.Position> state = State <MazeLib.Position> .StatePool.getState(position);
possibleStates.Add(state);
}
if (maze[s.getstate().Row, s.getstate().Col - 1] == 0)
{
MazeLib.Position position = new MazeLib.Position(s.getstate().Row, s.getstate().Col - 1);
State <MazeLib.Position> state = State <MazeLib.Position> .StatePool.getState(position);
possibleStates.Add(state);
}
if (maze[s.getstate().Row + 1, s.getstate().Col] == 0)
{
MazeLib.Position position = new MazeLib.Position(s.getstate().Row + 1, s.getstate().Col);
State <MazeLib.Position> state = State <MazeLib.Position> .StatePool.getState(position);
possibleStates.Add(state);
}
return(possibleStates);
}