private void DoPlace(RobotPosition newPosition)
{
if (!isPositionValid(newPosition))
{
throw new GameRobotPlaceOutsideTableException();
}
currentPosition = newPosition;
}
private bool isPositionValid(RobotPosition position)
{
if (position.PositionY < 0 || position.PositionY >= TABLE_HEIGHT ||
position.PositionX < 0 || position.PositionX >= TABLE_WIDTH)
{
return(false);
}
return(true);
}
private void MakeAMove()
{
if (!isGameStarted())
{
throw new GameNotStartedException();
}
RobotPosition nextPosition = new RobotPosition(currentPosition.ToString());
nextPosition.Move();
if (!isPositionValid(nextPosition))
{
throw new GameRobotCannotMoveException();
}
currentPosition = nextPosition;
}
public GameEvent(string input)
{
if (string.IsNullOrEmpty(input) || input.Trim().Length == 0)
{
throw new GameCommandEmptyException();
}
string[] commandParts = input.Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
if (commandParts.Length > 2)
{
throw new GameCommandInvalidFormatException();
}
string commandStr = commandParts[0];
string parameters = String.Empty;
if (commandParts.Length > 1)
{
parameters = commandParts[1];
}
if (!Enum.TryParse <Commands>(commandStr, true, out command))
{
throw new GameCommandInvalidException();
}
if (command == Commands.PLACE && string.IsNullOrEmpty(parameters))
{
throw new GameCommandInvalidParameterException("Command PLACE requires parameters");
}
if (command != Commands.PLACE && !string.IsNullOrEmpty(parameters))
{
throw new GameCommandInvalidParameterException("Commands other than PLACE do not require parameters");
}
if (!string.IsNullOrEmpty(parameters))
{
robotPosition = new RobotPosition(parameters);
}
}
