// Pickup the item in the specified direction
public bool PickUpItem(Directions direction)
{
try
{
if (!hasElement || carrying == null)
{
// Check the direction of operation and set relevant flag
CheckDirection(direction);
// Check if the target position has an object to pickup
if (generator.GetMapLayout(X + dx, Z + dz) == SoftwareLevelGenerator.Layout.ELEMENT)
{
carrying = generator.GetObject(X + dx, Z + dz);
generator.SetMapLayout(X + dx, Z + dz, Command.PICKUP, null);
hasElement = true;
// Initialise required var
var sprite = Resources.Load <Sprite>(HAS_ELEMENT + carrying.GetComponent <ArrayElement>().Value);
this.GetComponent <SpriteRenderer>().sprite = sprite;
return(true);
}
}
}
catch (NullReferenceException e)
{
return(false);
}
catch (IndexOutOfRangeException e)
{
return(false);
}
return(false);
}
public override void Execute(RobotController target, InstructionExecutor executor)
{
instructionExecutor = executor;
robot = target;
executeNext = false;
var currentX = robot.X;
var currentZ = robot.Z;
switch (moveDirection)
{
case Directions.Up:
currentX++;
break;
case Directions.Down:
currentX--;
break;
case Directions.Left:
currentZ++;
break;
case Directions.Right:
currentZ--;
break;
}
// Find object at the given direction
var obj = softwareLevelGenerator.GetObject(currentX, currentZ);
if (obj == null)
{
throw new InstructionException("Could not find object " + moveDirection.ToString());
return;
}
var arrayElement = obj.GetComponent <IndexElement>();
if (arrayElement == null)
{
throw new InstructionException("Could not find object " + moveDirection.ToString());
return;
}
// Jump to the index of the object adjacent
targetPos = softwareLevelGenerator.IndexLocation("a" + arrayElement.Value);
var didMove = robot.MoveTo(Vector3.zero, "a" + arrayElement.Value);
if (!didMove)
{
throw new InstructionException("Could not move to " + arrayElement.Value);
}
// Increment index element
arrayElement.Value++;
}