# Reset position of drone to (0,0)
	def reset_position_full():
		for r in range(get_pos_x()):
			move(West)
		for r in range(get_pos_y()):
			move(South)

# Full grid N-S snake pattern for 1 plant type
	def full_grid(plant_choice):
			if plant_choice == 1:
				while True:
					reset_position_full()
					for hrange in range(get_world_size()):
						if get_pos_x() % 2 == 0:
							hay(North)
						elif get_pos_x() % 2 == 1:
							hay(South)
			elif plant_choice == 2:
				while True:
					reset_position_full()
					for brange in range(get_world_size()):
						if get_pos_x() % 2 == 0:
							bush(North)
						elif get_pos_x() % 2 == 1:
							bush(South)
			elif plant_choice == 3:
				while True:
					reset_position_full()
					for crange in range(get_world_size()):
						if get_pos_x() % 2 == 0:
							carrot(North)
						elif get_pos_x() % 2 == 1:
							carrot(South)
							
# Hay  1 column	
	def hay(hdir):
		for i in range(get_world_size()-1):
			harvest()
			move(hdir)
		harvest()
		move(East)

# Wood 1 column 
	def bush(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)
		
# Carrot 1 column
	def carrot(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)