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# Extracting data from the Minecraft jars
from lib.download import get_server_jar, get_burger, get_client_jar, get_generator_mod, get_yarn_data
from lib.utils import get_dir_location
import json
import os
def generate_data_from_server_jar(version_id: str):
if os.path.exists(get_dir_location(f'downloads/generated-{version_id}')):
return
get_server_jar(version_id)
os.system(
f'cd {get_dir_location(f"downloads")} && java -DbundlerMainClass=net.minecraft.data.Main -jar {get_dir_location(f"downloads/server-{version_id}.jar")} --all --output \"{get_dir_location(f"downloads/generated-{version_id}")}\"'
)
def get_block_states_report(version_id: str):
generate_data_from_server_jar(version_id)
with open(get_dir_location(f'downloads/generated-{version_id}/reports/blocks.json'), 'r') as f:
return json.load(f)
def get_block_states_burger(version_id: str):
burger_data = get_burger_data_for_version(version_id)
return burger_data[0]['blocks']['block']
def get_ordered_blocks_burger(version_id: str):
burger_data = get_burger_data_for_version(version_id)
return burger_data[0]['blocks']['ordered_blocks']
def get_burger_data_for_version(version_id: str):
if not os.path.exists(get_dir_location(f'downloads/burger-{version_id}.json')):
get_burger()
get_client_jar(version_id)
os.system(
f'cd {get_dir_location("downloads/Burger")} && python munch.py ../client-{version_id}.jar --output ../burger-{version_id}.json'
)
with open(get_dir_location(f'downloads/burger-{version_id}.json'), 'r') as f:
return json.load(f)
def get_generator_mod_data(version_id: str, category: str):
'''
Gets data from u9g's data generator mod. Note that this is not very stable, and it requires Yarn to release updates first.
'''
target_dir = get_dir_location(f'downloads/generator-mod-{version_id}')
if not os.path.exists(get_dir_location(target_dir)):
generator_mod_dir = get_generator_mod()
yarn_data = get_yarn_data(version_id)
if not yarn_data:
raise Exception(
'Fabric/Yarn hasn\'t been updated to this version yet.')
# looks like 1.19+build.1
yarn_version = yarn_data['version']
# the mod has the minecraft version hard-coded by default, so we just change the gradle.properties
with open(get_dir_location(f'{generator_mod_dir}/gradle.properties'), 'r') as f:
lines = f.readlines()
with open(get_dir_location(f'{generator_mod_dir}/gradle.properties'), 'w') as f:
for line in lines:
if line.startswith('minecraft_version='):
line = f'minecraft_version={version_id}\n'
if line.startswith('yarn_mappings='):
line = f'yarn_mappings={yarn_version}\n'
f.write(line)
os.system(
f'cd {generator_mod_dir} && gradlew runServer'
)
if os.path.exists(target_dir):
os.unlink(target_dir)
os.rename(
get_dir_location(
f'{generator_mod_dir}/run/minecraft-data/{version_id}'),
target_dir
)
with open(f'{target_dir}/{category}.json', 'r') as f:
return json.load(f)
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