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89 lines
2.2 KiB
89 lines
2.2 KiB
from queue import Queue
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from PIL import Image
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from intcode import Intcode
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def main():
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with open("day11.txt", "rt") as input_file:
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text = input_file.readlines()[0].rstrip()
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codes = Intcode.parse_input(text)
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# Part 1
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robot = Robot(codes)
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robot.run()
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print("Num painted:", robot.get_num_painted())
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# Part 2
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robot = Robot(codes, draw=True)
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robot.set_paint(1)
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robot.run()
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robot.save_image("/tmp/day11.png")
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class Robot(Intcode):
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OP_PAINT = 0
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OP_TURN = 1
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UP = 0
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RIGHT = 1
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DOWN = 2
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LEFT = 3
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def __init__(self, codes, debug=False, draw=False):
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super().__init__(codes, debug=debug)
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self.panel = {}
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self.x = 0
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self.y = 0
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self.direction = self.UP
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self.output_type = self.OP_PAINT
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self.image = Image.new("1", (100, 100)) if draw else None
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def input_data(self):
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return self.get_paint()
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def output_data(self, data):
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if self.output_type == self.OP_PAINT:
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self.set_paint(data)
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self.output_type = self.OP_TURN
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elif self.output_type == self.OP_TURN:
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self.direction += 1 if data == 1 else -1
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self.move()
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self.output_type = self.OP_PAINT
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def move(self):
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self.x, self.y = {
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self.UP: (self.x + 1, self.y),
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self.RIGHT: (self.x, self.y + 1),
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self.DOWN: (self.x - 1, self.y),
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self.LEFT: (self.x, self.y - 1),
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}[self.get_direction()]
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def get_direction(self):
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return self.direction % 4
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def get_paint(self):
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if self.x not in self.panel or self.y not in self.panel[self.x]:
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self.set_paint(0)
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return self.panel[self.x][self.y]
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def set_paint(self, color):
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if self.x not in self.panel:
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self.panel[self.x] = {}
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self.panel[self.x][self.y] = color
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if self.image:
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self.image.putpixel((self.x - 1, self.y - 1), color)
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def get_num_painted(self):
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return sum(len(row.values()) for row in self.panel.values())
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def save_image(self, path):
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if self.image:
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self.image.rotate(90).save(path)
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if __name__ == "__main__":
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main()
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