public MazeObservation GetWallConfiguration(MazeState s)
{
MazeState.Direction d = s.CurrentDirection;
int iObservation = 0;
int iDirection = 0;
for (iDirection = 0; iDirection < 4; iDirection++)
{
iObservation *= 2;
if (WallInDirection(s.X, s.Y, d))
{
iObservation++;
}
d = s.TurnRight(d);
}
return(new MazeObservation(iObservation));
}
private bool WallInDirection(int iX, int iY, MazeState.Direction d)
{
if (d == MazeState.Direction.South)
{
return(BlockedSquare(iX, iY + 1));
}
if (d == MazeState.Direction.North)
{
return(BlockedSquare(iX, iY - 1));
}
if (d == MazeState.Direction.East)
{
return(BlockedSquare(iX + 1, iY));
}
if (d == MazeState.Direction.West)
{
return(BlockedSquare(iX - 1, iY));
}
return(false);
}
