private bool ExistsScentForPosition(FinalPosition currentPositionExtended)
{
return(_scents != null &&
_scents.Count() > 0 &&
_scents.ToList().Any(s => (s.PositionX == currentPositionExtended.Position.PositionX &&
s.PositionY == currentPositionExtended.Position.PositionY)));
}
public FinalPosition GetFinalPosition(Position currentPosition)
{
if (!currentPosition.IsValid(_marsGrid))
{
throw new Exception($"Position X: {currentPosition.PositionX} Y: {currentPosition.PositionY} is invalid");
}
var currentPositionExtended = new FinalPosition(currentPosition);
var nextPosition = new FinalPosition(currentPosition);
foreach (var movement in _movements)
{
nextPosition.Position = movement.Move(currentPositionExtended.Position);
if (IsInNewLostPosition(currentPositionExtended, nextPosition))
{
currentPositionExtended.IsLost = true;
currentPositionExtended.Scent = currentPositionExtended.Position;
return(currentPositionExtended);
}
if (IsInAPreviousLostPosition(currentPositionExtended, nextPosition))
{
nextPosition.Position = currentPositionExtended.Position;
}
else
{
currentPositionExtended.Position = nextPosition.Position;
}
}
nextPosition.IsLost = IsRobotOffMars(_marsGrid, nextPosition.Position);
return(nextPosition);
}
public override string ToString()
{
var sb = new StringBuilder();
sb.Append("Component type: ").Append(ComponentType.ToString()).Append("\n");
sb.Append("Category: ").Append(Category.ToString()).Append("\n");
sb.Append("Lexeme: ").Append(Lexeme.ToString()).Append("\n");
sb.Append("Line number: ").Append(LineNumber.ToString()).Append("\n");
sb.Append("Initial position: ").Append(InitialPosition.ToString()).Append("\n");
sb.Append("Final position: ").Append(FinalPosition.ToString()).Append("\n");
return(sb.ToString());
}
private bool IsInNewLostPosition(FinalPosition currentPosition, FinalPosition nextPosition)
{
return(IsRobotOffMars(_marsGrid, nextPosition.Position) && !ExistsScentForPosition(currentPosition));
}
