Minecraft world renderer using Mineways (snapshot compatible)

renderer.py

import os
import subprocess
import cv2
from jinja2 import Template

from rich.progress import Progress, BarColumn, TimeRemainingColumn, TextColumn, SpinnerColumn
from rich.traceback import install as install_traceback
from rich.console import Console
install_traceback()
print = Console().print


### config
output_path = "./render/"
output_final = "rendered.png"
tmp_cfg_path = "./render/script.mwscript"
mineways_exe = "./mineways/Mineways.exe"
world_path = "./world"

template = "Minecraft world: {{worldPath}}\n\
Selection location min to max: {{fromBlocks.x}}, -64, {{fromBlocks.z}} to {{toBlocks.x}}, 255, {{toBlocks.z}}\n\
Export map: {{outputFile}}\n\
Close"
regionsRX = 10
regionsRZ = 10
region_size = 512

print("[red]Please confirm:")
print(f"  Rendering {regionsRX*2}x{regionsRZ*2} ({regionsRX*2*regionsRZ*2}) regions")
print(f"  Covering blocks {-regionsRX * region_size},{-regionsRZ * region_size} to {(regionsRX) * region_size - 1},{(regionsRZ) * region_size - 1}")
input()
print("[red]\nStarting Render\n[white]===============\n")

if not os.path.exists(output_path):
    os.mkdir(output_path)
if not os.path.isdir(output_path):
    exit(1)

template = Template(template)
images_paths = [[0 for x in range(-regionsRX, regionsRX)] for z in range(-regionsRZ, regionsRZ)] 

with Progress(
    SpinnerColumn(),
    "[progress.description]{task.description}",
    TextColumn("[bold blue]{task.fields[coordinate]}", justify="right"),
    BarColumn(),
    "[progress.percentage]{task.percentage:>3.0f}%",
    TimeRemainingColumn(),
) as progress:
    region_task = progress.add_task("[red]Rendering regions...", coordinate=(None, None), total=regionsRX*2*regionsRZ*2)

    for regionX in range(-regionsRX, regionsRX):
        for regionZ in range(-regionsRZ, regionsRZ):
            progress.update(region_task, coordinate=(regionX, regionZ), advance=1)

            from_blocks = {"x": regionX * region_size, "z": regionZ * region_size}
            to_blocks = {"x": (regionX + 1) * region_size - 1, "z": (regionZ + 1) * region_size - 1}

            output_file = os.path.join(os.path.abspath(output_path), f"c_{regionX}_{regionZ}.png")
            with open(tmp_cfg_path, "w") as cfg_file:
                cfg_file.write(template.render(fromBlocks=from_blocks, toBlocks=to_blocks, outputFile=output_file, worldPath=os.path.abspath(world_path)))
            subprocess.run([mineways_exe, "-w", "1", "1", "-s", "none", os.path.abspath(tmp_cfg_path)])
            images_paths[regionsRZ + regionZ][regionsRZ + regionX] = output_file

with Progress(SpinnerColumn(), "[progress.description]{task.description}") as progress:
    region_task = progress.add_task("[red]Stitching images...", total=2)

    images_loaded = [[cv2.imread(image) for image in imagesRow] for imagesRow in images_paths]
    progress.update(region_task, advance=1)

    map = cv2.vconcat([cv2.hconcat(imagesRow) for imagesRow in images_loaded])
    cv2.imwrite(output_final, map)
    progress.update(region_task, advance=1)