public ITile MoveRobot(
IRobot robot,
OrientationDirection direction)
{
Debug.WriteLine("Moving robot " + robot + " " + direction);
var currentTile = robot.CurrentTile;
var relation = GetTileRelationInDirectionOfTile(currentTile, direction);
var newTile = relation.Tile;
if (relation.IsObstructed)
{
return(null);
}
var existingRobot = newTile.Robot;
if (existingRobot != null)
{
var newTileForExistingRobot = MoveRobot(existingRobot, direction);
if (newTileForExistingRobot == null)
{
return(null);
}
}
currentTile.Robot = null;
newTile.Robot = robot;
robot.CurrentTile = newTile;
FireRenderRequested();
return(newTile);
}
public MarsRover(int x, int y, OrientationDirection orientation, IPlanet planet = null)
{
PositionX = x;
PositionY = y;
Orientation = orientation;
_planet = planet;
InitializeAvailableCommands();
}
public static OrientationDirection GetRotatedDirection(OrientationDirection targetDirection, RotateDirection rotationDirection)
{
var newDirection = ((int)targetDirection + (int)rotationDirection) % 4;
if (newDirection < 0)
{
newDirection += 4;
}
return((OrientationDirection)newDirection);
}
public static RotateDirection GetRotationDirection(OrientationDirection fromDirection, OrientationDirection toDirection)
{
var rotateDirection = (int)toDirection - (int)fromDirection;
if (rotateDirection >= 3)
{
rotateDirection -= 4;
}
if (rotateDirection == -2)
{
rotateDirection = (int)RotateDirection.Uturn;
}
if (rotateDirection < -1)
{
rotateDirection += 4;
}
return((RotateDirection)rotateDirection);
}
private ITileRelation GetTileRelationInDirectionOfTile(
ITile tile,
OrientationDirection direction)
{
switch (direction)
{
case OrientationDirection.Down:
return(tile.Bottom);
case OrientationDirection.Up:
return(tile.Top);
case OrientationDirection.Left:
return(tile.Left);
case OrientationDirection.Right:
return(tile.Right);
default:
throw new InvalidOperationException("An unknown direction " + direction + " was specified.");
}
}
public ExpressConveyorBeltTile(OrientationDirection direction) : base(direction)
{
}
public ConveyorBeltTile(OrientationDirection direction)
{
Direction = direction;
}
