/// <summary>
/// Move forward
/// </summary>
/// <param name="direction">New direction</param>
/// <param name="x">x to modify if needed</param>
/// <param name="y">y to modify if needed</param>
private void Move(EnumUtilities.Direction direction, ref long x, ref long y)
{
long res = 0;
switch (direction)
{
case EnumUtilities.Direction.E:
res = x + Constants.PAD_X;
if (res <= _maximum_x)
{
x += Constants.PAD_X;
}
break;
case EnumUtilities.Direction.O:
res = x - Constants.PAD_X;
if (res >= 0)
{
x -= Constants.PAD_X;
}
break;
case EnumUtilities.Direction.N:
res = y + Constants.PAD_Y;
if (res <= _maximum_y)
{
y += Constants.PAD_Y;
}
break;
case EnumUtilities.Direction.S:
res = y - Constants.PAD_Y;
if (res >= 0)
{
y -= Constants.PAD_Y;
}
break;
}
}
/// <summary>
/// Change the direction of the rover
/// </summary>
/// <param name="move">Move</param>
/// <param name="direction">New direction to take in account</param>
/// <param name="finalNewDirection">Final new direction</param>
private void ChangeDirection(EnumUtilities.Direction move, EnumUtilities.Direction direction, ref EnumUtilities.Direction finalNewDirection)
{
var newDirection = direction;
switch (direction)
{
case EnumUtilities.Direction.N:
newDirection = move == EnumUtilities.Direction.L ? EnumUtilities.Direction.O : EnumUtilities.Direction.E;
break;
case EnumUtilities.Direction.E:
newDirection = move == EnumUtilities.Direction.L ? EnumUtilities.Direction.N : EnumUtilities.Direction.S;
break;
case EnumUtilities.Direction.O:
newDirection = move == EnumUtilities.Direction.L ? EnumUtilities.Direction.S : EnumUtilities.Direction.N;
break;
case EnumUtilities.Direction.S:
newDirection = move == EnumUtilities.Direction.L ? EnumUtilities.Direction.E : EnumUtilities.Direction.O;
break;
}
finalNewDirection = newDirection;
}
public string GetDirectionString(EnumUtilities.Direction direction)
{
return(DirectionStr);
}
/// <summary>
/// Start the rover
/// </summary>
/// <param name="max_size_x">The rover can not go further than max_size_x in x axe</param>
/// <param name="map_size_y">The rover can not go further than max_size_y in y axe</param>
/// <param name="position">Initial position</param>
/// <param name="movement">New movements</param>
/// <returns>True if rover is started, false otherwise</returns>
public bool StartRover(int max_size_x, int map_size_y, string position, string movement)
{
var byteUtilities = _container.Resolve <IByteUtilities>();
if (byteUtilities == null)
{
return(false);
}
if (max_size_x < 1 || map_size_y < 1)
{
return(false);
}
if (string.IsNullOrEmpty(position) || string.IsNullOrEmpty(movement))
{
return(false);
}
var enumUtilities = _container.Resolve <IEnumUtilities>();
if (enumUtilities == null)
{
return(false);
}
var list = position.Split(' ');
if (list.Length == 0 || list.Length != 3)
{
return(false);
}
_maximum_x = max_size_x;
_maximum_y = map_size_y;
if (int.TryParse(list[0], out int x))
{
_initial_position_x = x;
}
if (int.TryParse(list[1], out int y))
{
_initial_position_y = y;
}
try
{
// ToCharArray can throw exception
_initial_direction = enumUtilities.GetDirection(list[2].ToCharArray()[0]);
if (_initial_direction == EnumUtilities.Direction.WRONG)
{
ReleaseMemory();
return(false);
}
}
catch (Exception e)
{
var exception = e;
ReleaseMemory();
return(false);
}
var charsToTrim = new char[] { ' ', '\t' };
_movements = movement.Trim(charsToTrim).ToCharArray();
if (!IsRoverReadyToDrive())
{
ReleaseMemory();
return(false);
}
return(true);
}
/// <summary>
/// Set the final attributes
/// </summary>
/// <param name="x">New x position</param>
/// <param name="y">New y position</param>
/// <param name="direction">New direction</param>
private void SetFinalAttributes(long x, long y, EnumUtilities.Direction direction)
{
_final_position_x = x;
_final_position_y = y;
_final_direction = direction;
}
/// <summary>
/// Set the initial attributes
/// </summary>
/// <param name="x">New x position</param>
/// <param name="y">New y position</param>
/// <param name="direction">New direction</param>
private void SetInitialAttributes(int x, int y, EnumUtilities.Direction direction)
{
_initial_position_x = x;
_initial_position_y = y;
_initial_direction = direction;
}
