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mono2tag.py
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#!/usr/bin/env python3
import os
import sys
import struct
import pathlib
from collections import OrderedDict
import myth_headers
DEBUG = (os.environ.get('DEBUG') == '1')
def main(mono_path, tag_type, tag_id, output_file):
"""
Parse a Myth TFL or Myth II monolith file and export provided tag.
If no tag provided, list all tags
"""
data = myth_headers.load_file(mono_path)
try:
data_size = len(data)
mono_header = myth_headers.parse_mono_header(data)
if DEBUG:
print(mono_header)
print(' game version', mono_header.game_version)
print('total file length', data_size)
print(' header size', mono_header.header_size)
if mono_header.entry_tag_count:
print(' entry tag start', mono_header.entry_tag_list_start)
print(' entry tag count', mono_header.entry_tag_count)
print(' entry tag size', mono_header.entry_tag_count * myth_headers.ENTRY_TAG_HEADER_SIZE)
print(' tag list start', mono_header.tag_list_start)
print(' tag count', mono_header.tag_count)
print(' tag list size', mono_header.tag_list_size)
entrypoints = get_entrypoints(data, mono_header)
if len(entrypoints):
print_entrypoint_map(entrypoints)
print(
"""
Tags
-----+------+------+------+-------
idx | game | type | id | name
-----+------+------+------+-------"""
)
for (i, tag_header) in get_tags(data, mono_header):
if (
(not tag_id and not tag_type)
or (tag_type == tag_header.tag_type and tag_id == tag_header.tag_id)
):
print(
f' {i:03} | '
f'{tag_header.signature} | '
f'{tag_header.tag_type} | '
f'{tag_header.tag_id} | '
f'{tag_header.name}'
)
if tag_id and tag_type:
export_tag(tag_header, data, output_file)
return
except (struct.error, UnicodeDecodeError) as e:
raise ValueError(f"Error processing binary data: {e}")
def get_tags(data, mono_header):
for i in range(mono_header.tag_count):
start = mono_header.tag_list_start + (i * myth_headers.TAG_HEADER_SIZE)
end = start + myth_headers.TAG_HEADER_SIZE
tag_header_data = data[start:end]
yield (i, myth_headers.parse_header(tag_header_data))
def get_entrypoints(data, mono_header):
entrypoints = []
for i in range(mono_header.entry_tag_count):
start = mono_header.header_size + (i * myth_headers.ENTRY_TAG_HEADER_SIZE)
end = start + myth_headers.ENTRY_TAG_HEADER_SIZE
entry_tag_header_data = data[start:end]
(entry_id, entry_name, entry_long_name) = struct.unpack('>16s 32s 64s', entry_tag_header_data)
entry_id = myth_headers.decode_string(entry_id)
entry_name = myth_headers.decode_string(entry_name)
entry_long_name = myth_headers.decode_string(entry_long_name)
entrypoints.append((entry_name, (entry_id, (entry_name, entry_long_name, [mono_header.name]))))
return OrderedDict([item for (_, item) in sorted(entrypoints)])
def print_entrypoint_map(entrypoint_map):
print(
"""
Entrypoints
------+------------------------------------------+----------------------------------+------------------------------------------------------------------+
id | archive | name | long
------+------------------------------------------+----------------------------------+------------------------------------------------------------------+"""
)
for entry_id, (entry_name, entry_long_name, archive_list) in entrypoint_map.items():
# for i, archive in enumerate(archive_list):
# archive_name = f'{archive:<32}'
# if i == len(archive_list) - 1:
# archive_name = f'\x1b[1m{archive_name}\x1b[0m'
# print(f' {entry_id: <4} | {archive_name} | {entry_name: <32} | {entry_long_name: <64}')
archive_name = ' < '.join(archive_list)
print(f' {entry_id: <4} | {archive_name: <40} | {entry_name: <32} | {entry_long_name: <64}')
print('---')
def seek_tag_data(data, tag_type, tag_id):
mono_header = myth_headers.parse_mono_header(data)
for i in range(mono_header.tag_count):
start = mono_header.tag_list_start + (i * myth_headers.TAG_HEADER_SIZE)
end = start + myth_headers.TAG_HEADER_SIZE
tag_header_data = data[start:end]
tag_header = myth_headers.parse_header(tag_header_data)
if tag_type == tag_header.tag_type and tag_id == tag_header.tag_id:
tag_start = tag_header.tag_data_offset
tag_end = tag_start + tag_header.tag_data_size
tag_data = data[tag_start:tag_end]
return (
myth_headers.encode_header(tag_header)
+ tag_data
)
def export_tag(tag_header, data, output_file):
tag_start = tag_header.tag_data_offset
tag_end = tag_start + tag_header.tag_data_size
tag_data = data[tag_start:tag_end]
if not output_file:
output_file = f'../tags/{tag_header.signature}-{tag_header.tag_type}-{tag_id}'
tag_path = pathlib.Path(sys.path[0], output_file).resolve()
else:
tag_path = pathlib.Path(output_file)
if prompt(tag_path):
pathlib.Path(tag_path.parent).mkdir(parents=True, exist_ok=True)
with open(tag_path, 'wb') as tag_file:
tag_file.write(myth_headers.encode_header(tag_header))
tag_file.write(tag_data)
print(f"Tag extracted. Output saved to {tag_path}")
def prompt(prompt_path):
# return True
response = input(f"Write to: {prompt_path} [Y/n]: ").strip().lower()
return response in {"", "y", "yes"}
if __name__ == "__main__":
if len(sys.argv) < 2:
print("Usage: python3 mono2tag.py <input_file> [<tag_type> <tag_id> [<output_file>]]")
sys.exit(1)
input_file = sys.argv[1]
tag_type = None
tag_id = None
output_file = None
if len(sys.argv) >= 4:
tag_type = sys.argv[2]
tag_id = sys.argv[3]
if len(sys.argv) == 5:
output_file = sys.argv[4]
try:
main(input_file, tag_type, tag_id, output_file)
except KeyboardInterrupt:
sys.exit(130)
except BrokenPipeError:
sys.stdout = None
sys.exit(1)