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104 lines
1.6 KiB
104 lines
1.6 KiB
# typed: ignore
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require "stringio"
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require_relative "computer"
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class Game
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def initialize
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@output = Hash.new(0)
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@min_x, @max_x, @min_y, @max_y = 0, 0, 0, 0
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end
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def []=(x, y, value)
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@output[[x, y]] = value
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@min_x = [@min_x, x].min
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@max_x = [@max_x, x].max
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@min_y = [@min_y, y].min
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@max_y = [@max_y, y].max
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end
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def ball_pos
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@output.key(4)
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end
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def paddle_pos
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@output.key(3)
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end
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def score
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@output[[-1, 0]]
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end
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def to_s
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min_x = [0, @min_x].max
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screen = (@min_y..@max_y).map {|y|
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(min_x..@max_x).map {|x|
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tile(@output[[x, y]])
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}.join
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}.join("\n")
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score = @output[[-1, 0]] || 0
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"#{screen}\n#{score}"
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end
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private
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def tile(id)
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case id
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when 0 then " "
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when 1 then ?█
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when 2 then ?▒
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when 3 then ?▄
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when 4 then ?@
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else fail "unexpected tile id: #{id}"
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end
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end
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end
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class FollowBall
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def initialize(game)
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@game = game
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@last_ball = nil
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end
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def gets
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ball, paddle = nil, nil
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until [ball, paddle].none?(&:nil?) && ball != @last_ball
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ball = @game.ball_pos
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paddle = @game.paddle_pos
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end
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@last_ball = ball
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# puts @game
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# STDIN.gets
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ball[0] <=> paddle[0]
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end
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end
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game = Game.new
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follow_ball = FollowBall.new(game)
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output, output_writer = IO.pipe
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Thread.new do
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loop do
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x, y, tile_id = 3.times.map { output.gets.to_i }
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game[x, y] = tile_id
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end
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end
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Thread.new do
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program = File.read("day_13.txt").split(?,).map(&:to_i)
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program[0] = 2
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Computer.new(program).run(follow_ball, output_writer)
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sleep 1
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puts game.score
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end.join
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