private void MoveForward(IMarsSurface surface, IMartianRobot robot)
{
var expectedRobotPosition = CalculatePosition(
robot.Position,
robot.Direction);
if (!surface.InSurface(expectedRobotPosition))
{
if (surface.Surface[robot.Position.X, robot.Position.Y]
== MarsSurfacePointState.WithScent)
{
//Do nothing
}
else
{
surface.Surface[robot.Position.X, robot.Position.Y] =
MarsSurfacePointState.WithScent;
robot.State = MarsRobotState.Lost;
}
}
else
{
robot.Position = expectedRobotPosition;
}
}
public void Move(IMarsSurface surface, IMartianRobot robot, MoveAction moveAction)
{
if (robot.State == MarsRobotState.Lost)
{
return;
}
switch (moveAction)
{
case MoveAction.Forward:
MoveForward(surface, robot);
break;
case MoveAction.TurnLeft:
TurnLeft(robot);
break;
case MoveAction.TurnRight:
TurnRight(robot);
break;
default:
throw new ArgumentOutOfRangeException(nameof(moveAction), moveAction, null);
}
}
public IMartianRobot Create(IMarsSurface surface, Vector2 startPosition, Direction startDirection)
{
return(new MartianRobot(surface,
startPosition,
startDirection,
_moveCoordinator));
}
internal MartianRobotStub(IMarsSurface surface,
Vector2 position,
Direction direction)
{
Surface = surface;
Position = position;
Direction = direction;
}
internal MartianRobot(IMarsSurface surface,
Vector2 position,
Direction direction,
IMoveCoordinator moveCoordinator)
{
_moveCoordinator = moveCoordinator;
Surface = surface;
Position = position;
Direction = direction;
}
