thomas_2023/day_5/Main.gd

extends Control




func _ready():
	pass
	
func read_map(lines, i):
	var map = []
	
	while true:
		var line = lines[i]
		if line == '':
			break
		i += 1
			
		var map_entry_string = line.split(' ')
		var entry = MapEntry.new()
		entry.dst_start = int(map_entry_string[0])
		entry.src_start = int(map_entry_string[1])
		entry.range = int(map_entry_string[2])
		
		map.append(entry)
			
	return [map, i]
	
func parse_input(input):
	var lines = input.split('\n')
	var i = 0
	var maps = Maps.new()
	
	# Parse seeds
	var seeds_str = lines[i].split(' ').slice(1)
	
	var seeds = []
	for s in seeds_str:
		seeds.append(int(s))
	
	# Skip to seed-to-soil map
	i += 3
	
	var map_i = read_map(lines, i)
	maps.seed2soil = map_i[0]
	i = map_i[1]
	
	# Skip to soil-to-fertilizer map
	i += 2
	
	map_i = read_map(lines, i)
	maps.soil2fertilizer = map_i[0]
	i = map_i[1]
	
	# Skip to fertilizer-to-water map
	i += 2
	
	map_i = read_map(lines, i)
	maps.fertilizer2water = map_i[0]
	i = map_i[1]
	
	# Skip to water-to-light map
	i += 2
	
	map_i = read_map(lines, i)
	maps.water2light = map_i[0]
	i = map_i[1]
	
	# Skip to light-to-temperature map
	i += 2
	
	map_i = read_map(lines, i)
	maps.light2temperature = map_i[0]
	i = map_i[1]
	
	# Skip to temperature-to-humidity map
	i += 2
	
	map_i = read_map(lines, i)
	maps.temperature2humidity = map_i[0]
	i = map_i[1]
	
	# Skip to humidity-to-location map
	i += 2
	
	map_i = read_map(lines, i)
	maps.humidity2location = map_i[0]
	i = map_i[1]
	
	return [seeds, maps]

func _on_part1():
	var input = $TextEdit.text + '\n'  # Safety newline :)
	var seeds_maps = parse_input(input)
	var seeds = seeds_maps[0]
	var maps = seeds_maps[1]
	
	print(seeds)
	print(maps)
	
	var overall_closest = INF
	for seed in seeds:
		var closest = maps.find_closest(seed)
		overall_closest = min(overall_closest, closest)
		
	print("Closest location: " + str(overall_closest))

func _on_part2():
	var input = $TextEdit.text