# Gets the farm size in the format (0,0)
	def get_worldsize():
		worldlength = get_world_size()
		worldsize = worldlength , worldlength
		return worldsize
		
# Gets current position in the format (0,0)
	def get_position():
		currentposition = get_pos_x(),get_pos_y()
		return currentposition
		
# Reset position of drone to (0,0)
	def reset_position():
		for r in range(get_pos_x()):
			move(West)
		for r in range(get_pos_y()):
			move(South)
			
# Wood column 
	def bush_column(wdir):
		for w in range(get_world_size()-1):
			if can_harvest():
				harvest()
				plant(Entities.Bush)
				move(wdir)
			else:
				plant(Entities.Bush)
				move(wdir)
		if can_harvest():
			harvest()
			plant(Entities.Bush)
		move(East)
		
# Hay column	
	def hay_column(hdir):
		for i in range(get_world_size()-1):
			harvest()
			move(hdir)
		harvest()
		move(East)
		
# Carrot column
	def carrot_column(cdir):
		for c in range(get_world_size()):
			if num_items(Items.Carrot_Seed) <= 0:
				trade(Items.Carrot_Seed)	
			if get_ground_type() != Grounds.Soil:
				till()
				plant(Entities.Carrots)
				if get_pos_x() % get_world_size() == get_pos_x():
					if c == get_world_size() - 1:
						move(East)
					else:
						move(cdir)
			elif get_ground_type() == Grounds.Soil:
				if can_harvest():
					harvest()
					plant(Entities.Carrots)
					if get_pos_x() % get_world_size() == get_pos_x():
						if c == get_world_size() - 1:
							move(East)
						else:
							move(cdir)
				else:
					plant(Entities.Carrots)
					if get_pos_x() % get_world_size() == get_pos_x():
						if c == get_world_size() - 1:
							move(East)
						else:
							move(cdir)