aoc-2021-22-visualization.py

import bpy
from mathutils import Vector
import csv

context = bpy.context
collection = context.collection

cuboids = []

with open('cuboids.csv') as csv_file:
    csv_reader = csv.reader(csv_file, delimiter=',')
    for row in csv_reader:
        cuboids.append([int(x) for x in row])


def generate_cuboid(cuboid):
    verts = []
    for z in cuboid[4:6]:
        for y in cuboid[2:4]:
            for x in cuboid[0:2]:
                verts.append(Vector((x, y, z)))

    faces = [
        (0, 1, 3, 2),
        (4, 5, 7, 6),
        (0, 1, 5, 4),
        (1, 3, 7, 5),
        (3, 2, 6, 7),
        (2, 0, 4, 6),
    ]

    mesh = bpy.data.meshes.new("mesh")
    mesh.from_pydata(verts, [], faces)
    obj = bpy.data.objects.new("obj", mesh)
    collection.objects.link(obj)


for cuboid in cuboids:
    generate_cuboid(cuboid)