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Create mdttool.py
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355
mdttool/mdttool.py
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355
mdttool/mdttool.py
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#!/usr/bin/env python3
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from configparser import ConfigParser
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import logging
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from math import ceil
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from pathlib import Path
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__version__ = "0.0.1"
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__author__ = "rigodron, algoflash, GGLinnk, CrystalPixel"
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__license__ = "MIT"
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__status__ = "developpement"
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AVAILABLE_CHARSETS = ["USA", "EU"]
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TPL_MAGIC_NUMBER = b"\x00\x20\xAF\x30"
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USA_CHARSET = { b"\x81\x43": ",", b"\x81\x44": ".", b"\x81\x45": "°", b"\x81\x46": ":",
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b"\x81\x47": ";", b"\x81\x48": "?", b"\x81\x49": "!", b"\x81\x51": "_",
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b"\x81\x5e": "/", b"\x81\x65": None, b"\x81\x66": "'", b"\x81\x67": "«",
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b"\x81\x68": "\"", b"\x81\x69": "(", b"\x81\x6a": ")", b"\x81\x7b": "+",
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b"\x81\x7c": "-", b"\x81\x7e": "×", b"\x81\x80": "÷", b"\x81\x81": "=",
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b"\x81\x83": "<", b"\x81\x84": ">", b"\x81\x93": "%", b"\x81\x94": "#",
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b"\x81\x95": "&", b"\x81\x96": "*", b"\x81\x97": "@", b"\x81\xa5": None,
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b"\x82\x4f": "0", b"\x82\x50": "1", b"\x82\x51": "2", b"\x82\x52": "3",
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b"\x82\x53": "4", b"\x82\x54": "5", b"\x82\x55": "6", b"\x82\x56": "7",
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b"\x82\x57": "8", b"\x82\x58": "9", b"\x82\x60": "A", b"\x82\x61": "B",
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b"\x82\x62": "C", b"\x82\x63": "D", b"\x82\x64": "E", b"\x82\x65": "F",
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b"\x82\x66": "G", b"\x82\x67": "H", b"\x82\x68": "I", b"\x82\x69": "J",
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b"\x82\x6a": "K", b"\x82\x6b": "L", b"\x82\x6c": "M", b"\x82\x6d": "N",
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b"\x82\x6e": "O", b"\x82\x6f": "P", b"\x82\x70": "Q", b"\x82\x71": "R",
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b"\x82\x72": "S", b"\x82\x73": "T", b"\x82\x74": "U", b"\x82\x75": "V",
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b"\x82\x76": "W", b"\x82\x77": "X", b"\x82\x78": "Y", b"\x82\x79": "Z",
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b"\x82\x81": "a", b"\x82\x82": "b", b"\x82\x83": "c", b"\x82\x84": "d",
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b"\x82\x85": "e", b"\x82\x86": "f", b"\x82\x87": "g", b"\x82\x88": "h",
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b"\x82\x89": "i", b"\x82\x8a": "j", b"\x82\x8b": "k", b"\x82\x8c": "l",
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b"\x82\x8d": "m", b"\x82\x8e": "n", b"\x82\x8f": "o", b"\x82\x90": "p",
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b"\x82\x91": "q", b"\x82\x92": "r", b"\x82\x93": "s", b"\x82\x94": "t",
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b"\x82\x95": "u", b"\x82\x96": "v", b"\x82\x97": "w", b"\x82\x98": "x",
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b"\x82\x99": "y", b"\x82\x9a": "z", b"\x83\xbf": None, b"\x89\xce": None,
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b"\x8c\xba": None, b"\x8c\xd5": None, b"\x8e\xe9": None, b"\x90\x9d": None,
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b"\x90\xc2": None, b"\x92\xb4": None, b"\x94\x92": None, b"\x95\x90": None,
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b"\x97\xb4": None}
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EU_CHARSET = { b"\x21\x21": "¡", b"\x21\x3f": "¿", b"\x21\x43": "Ç", b"\x21\x4e": "Ñ",
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b"\x21\x62": "ß", b"\x21\x63": "ç", b"\x21\x6e": "ñ", b"\x22\x41": "Ä",
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b"\x22\x45": "Ë", b"\x22\x49": "Ï", b"\x22\x4f": "Ö", b"\x22\x55": "Ü",
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b"\x22\x61": "ä", b"\x22\x65": "ë", b"\x22\x69": "ï", b"\x22\x6f": "ö",
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b"\x22\x75": "ü", b"\x27\x41": "Á", b"\x27\x45": "É", b"\x27\x49": "Í",
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b"\x27\x4f": "Ó", b"\x27\x55": "Ú", b"\x27\x61": "á", b"\x27\x65": "é",
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b"\x27\x69": "í", b"\x27\x6f": "ó", b"\x27\x75": "ú", b"\x41\x45": "Æ",
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b"\x4f\x45": "Œ", b"\x5e\x41": "Â", b"\x5e\x45": "Ê", b"\x5e\x49": "Î",
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b"\x5e\x4f": "Ô", b"\x5e\x55": "Û", b"\x5e\x61": "â", b"\x5e\x65": "ê",
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b"\x5e\x69": "î", b"\x5e\x6f": "ô", b"\x5e\x75": "û", b"\x60\x41": "À",
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b"\x60\x45": "È", b"\x60\x49": "Ì", b"\x60\x4f": "Ò", b"\x60\x55": "Ù",
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b"\x60\x61": "à", b"\x60\x65": "è", b"\x60\x69": "ì", b"\x60\x6f": "ò",
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b"\x60\x75": "ù", b"\x61\x65": "æ", b"\x6f\x65": "œ", b"\x81\x43": ",",
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b"\x81\x44": ".", b"\x81\x45": "°", b"\x81\x46": ":", b"\x81\x47": ";",
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b"\x81\x48": "?", b"\x81\x49": "!", b"\x81\x51": "_", b"\x81\x5e": "/",
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b"\x81\x65": None, b"\x81\x66": None, b"\x81\x67": None, b"\x81\x68": None,
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b"\x81\x69": "(", b"\x81\x6a": ")", b"\x81\x7b": "+", b"\x81\x7c": "-",
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b"\x81\x7e": "×", b"\x81\x80": "÷", b"\x81\x81": "=", b"\x81\x83": "<",
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b"\x81\x84": ">", b"\x81\x93": "%", b"\x81\x94": "#", b"\x81\x95": "&",
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b"\x81\x96": "*", b"\x81\x97": "@", b"\x81\xa5": None, b"\x82\x4f": "0",
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b"\x82\x50": "1", b"\x82\x51": "2", b"\x82\x52": "3", b"\x82\x53": "4",
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b"\x82\x54": "5", b"\x82\x55": "6", b"\x82\x56": "7", b"\x82\x57": "8",
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b"\x82\x58": "9", b"\x82\x60": "A", b"\x82\x61": "B", b"\x82\x62": "C",
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b"\x82\x63": "D", b"\x82\x64": "E", b"\x82\x65": "F", b"\x82\x66": "G",
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b"\x82\x67": "H", b"\x82\x68": "I", b"\x82\x69": "J", b"\x82\x6a": "K",
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b"\x82\x6b": "L", b"\x82\x6c": "M", b"\x82\x6d": "N", b"\x82\x6e": "O",
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b"\x82\x6f": "P", b"\x82\x70": "Q", b"\x82\x71": "R", b"\x82\x72": "S",
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b"\x82\x73": "T", b"\x82\x74": "U", b"\x82\x75": "V", b"\x82\x76": "W",
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b"\x82\x77": "X", b"\x82\x78": "Y", b"\x82\x79": "Z", b"\x82\x81": "a",
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b"\x82\x82": "b", b"\x82\x83": "c", b"\x82\x84": "d", b"\x82\x85": "e",
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b"\x82\x86": "f", b"\x82\x87": "g", b"\x82\x88": "h", b"\x82\x89": "i",
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b"\x82\x8a": "j", b"\x82\x8b": "k", b"\x82\x8c": "l", b"\x82\x8d": "m",
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b"\x82\x8e": "n", b"\x82\x8f": "o", b"\x82\x90": "p", b"\x82\x91": "q",
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b"\x82\x92": "r", b"\x82\x93": "s", b"\x82\x94": "t", b"\x82\x95": "u",
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b"\x82\x96": "v", b"\x82\x97": "w", b"\x82\x98": "x", b"\x82\x99": "y",
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b"\x82\x9a": "z"}
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SPECIAL_CHARS = [b"\x80\x02", b"\x80\x03"]
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SPECIAL_CHARS_2 = [b"\x80\x00"]
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# Raised during unpack when the charset is invalid.
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class InvalidCharsetError(Exception): pass
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def align_top(offset:int, align:int):
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"""
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Give the upper rounded offset aligned using the align value.
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input: offset = int
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input: align = int
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return offset = int
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"""
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if offset % align == 0: return offset
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return offset + align - (offset % align)
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def bytes2_to_hex(data:bytes, skip_format=False):
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return f"{data[0]:02x}{data[1]:02x}" if skip_format else f"\\x{data[0]:02x}\\x{data[1]:02x}"
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class TxtDat:
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PARAGRAPH_SEPARATOR = "\n--------------------------------\n"
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__HEADERALIGN = 32
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__path = None
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__symbols_count = None
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__symbol_list = None
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__paragraph_offsets_blocks_list_offset = None
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def __init__(self, path:Path):
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self.__path = path
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self.__symbol_list = []
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def unpack(self, file_data:bytes, charset:str, charset_dict:dict):
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self.__paragraph_offsets_blocks_list_offset = int.from_bytes(file_data[:4], "big")
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self.__symbols_count = int.from_bytes(file_data[4:8], "big")
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conf_txt = f"{charset}"
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for i in range(self.__symbols_count):
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symbol_data = file_data[8+i*2:10+i*2]
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self.__symbol_list.append( charset_dict[symbol_data] )
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conf_txt += ";" + bytes2_to_hex(symbol_data, skip_format=True)
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(self.__path / "conf.txt").write_text(conf_txt)
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i = 0
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while True:
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paragraph_offsets_block_offset = int.from_bytes(file_data[self.__paragraph_offsets_blocks_list_offset + i*4:self.__paragraph_offsets_blocks_list_offset + 4 + i*4], "big", signed=True)
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if paragraph_offsets_block_offset == -1:
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break
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j = 0
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paragraphs_txt = ""
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while True:
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paragraph_offset = int.from_bytes(file_data[paragraph_offsets_block_offset + j*4:paragraph_offsets_block_offset + j*4 + 4], "big", signed=True)
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if paragraph_offset == -1:
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paragraphs_txt = paragraphs_txt[:-len(TxtDat.PARAGRAPH_SEPARATOR)]
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break
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paragraph_len = int.from_bytes(file_data[paragraph_offset:paragraph_offset+2], "big")
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k = 3
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while k < paragraph_len + 3:
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char_data = file_data[paragraph_offset + k*2:paragraph_offset + k*2 + 2]
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char_value = int.from_bytes(char_data, "big", signed=True)
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if 0 <= char_value < self.__symbols_count and self.__symbol_list[char_value] is not None:
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paragraphs_txt += self.__symbol_list[char_value]
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elif char_value == -2:
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paragraphs_txt += " "
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elif char_data == b"\x10\x00":
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paragraphs_txt += "\n"
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else:
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paragraphs_txt += bytes2_to_hex(char_data)
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if char_data in SPECIAL_CHARS:
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paragraph_len += 2
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paragraphs_txt += bytes2_to_hex(file_data[paragraph_offset + k*2 + 2:paragraph_offset + k*2 + 4])
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k += 2
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continue
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elif char_data in SPECIAL_CHARS_2:
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paragraph_len += 1
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k += 1
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paragraphs_txt += TxtDat.PARAGRAPH_SEPARATOR
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j += 1
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(self.__path / f"0_{i}.txt").write_text(paragraphs_txt)
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i += 1
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def pack(self, files_paths:Path):
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conf_txt = (self.__path / "conf.txt").read_text().split(";")
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charset_dict = None
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if conf_txt[0] == "USA":
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charset_dict = USA_CHARSET
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elif conf_txt[0] == "EU":
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charset_dict = EU_CHARSET
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self.__symbols_count = 0
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header_bytes = b""
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for symbol_data in conf_txt[1:]:
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self.__symbols_count += 1
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symbol_data_b = bytes.fromhex(symbol_data)
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self.__symbol_list.append( charset_dict[symbol_data_b] )
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header_bytes += symbol_data_b
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header_bytes = self.__symbols_count.to_bytes(4, "big") + header_bytes
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# We align header with 32 mores bytes if we have the exact match of align
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header_bytes = header_bytes.ljust( len(header_bytes) + TxtDat.__HEADERALIGN - ( (len(header_bytes) + 4) % TxtDat.__HEADERALIGN), b"\x00" )
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header_bytes = (len(header_bytes) + 4).to_bytes(4, "big") + header_bytes
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# Now we retrieve every paragraph of the unpacked folder files and we translate it back to bytes with 32 bytes align.
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paragraphs_list = []
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for file_path in files_paths:
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paragraphs = []
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for paragraph_txt in file_path.read_text().split(TxtDat.PARAGRAPH_SEPARATOR):
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paragraph = b""
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total_len = 0
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max_width = 0
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i = 0
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current_width = 0
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while i < len(paragraph_txt):
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if paragraph_txt[i:i+2] == "\\x":
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paragraph += bytes.fromhex(paragraph_txt[i+2:i+4] + paragraph_txt[i+6:i+8])
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if bytes.fromhex(paragraph_txt[i+2:i+4] + paragraph_txt[i+6:i+8]) in SPECIAL_CHARS:
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current_width -= 1
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total_len -= 1
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elif bytes.fromhex(paragraph_txt[i+2:i+4] + paragraph_txt[i+6:i+8]) not in SPECIAL_CHARS_2:
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total_len += 1
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current_width += 1
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i += 8
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continue
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elif paragraph_txt[i] == "\n":
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max_width = max(max_width, current_width + 1)
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paragraph += b"\x10\x00"
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current_width = -1 # to 0
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elif paragraph_txt[i] == ' ':
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paragraph += b"\xFF\xFE"
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else:
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paragraph += self.__symbol_list.index(paragraph_txt[i]).to_bytes(2, "big")
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total_len += 1
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current_width += 1
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i += 1
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max_width = max(max_width, current_width)
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paragraph = total_len.to_bytes(2, "big") + len(paragraph_txt.splitlines()).to_bytes(2, "big") + max_width.to_bytes(2, "big") + paragraph
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paragraphs.append( paragraph.ljust(align_top(len(paragraph), 32), b"\x00") )
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paragraphs_list.append(paragraphs)
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# header_bytes contains the header aligned to 32 upper
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# Here we align to 32 the paragraph_offsets_blocks_list
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current_offset = len(header_bytes) + align_top(len(paragraphs_list)*4 + 4, 32) # + 4 because -1 terminated
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body_data = b""
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for paragraphs in paragraphs_list:
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header_bytes += current_offset.to_bytes(4, "big")
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# We calculate end of paragraph_offsets_block before adding paragraphs content in data block following it.
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current_offset += align_top(len(paragraphs)*4 + 4, 32)
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offsets_block = b""
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data_block = b""
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for paragraph in paragraphs:
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offsets_block += current_offset.to_bytes(4, "big")
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data_block += paragraph
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# each paragraph is already aligned to 32
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current_offset += len(paragraph)
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offsets_block += b"\xFF\xFF\xFF\xFF"
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offsets_block = offsets_block.ljust(align_top(len(offsets_block), 32), b"\x00")
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body_data += offsets_block + data_block
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header_bytes += b"\xFF\xFF\xFF\xFF"
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header_bytes = header_bytes.ljust(align_top(len(header_bytes), 32), b"\x00")
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return header_bytes + body_data
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class Mdt:
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__HEADER_LEN = 0x800
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__ALIGN = 0x800
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def unpack(self, mdt_path:Path, folder_path:Path, charset:str):
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logging.info(f"Unpacking {mdt_path} in {folder_path}...")
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charset_dict = None
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if charset == "USA":
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charset_dict = USA_CHARSET
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elif charset == "EU":
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charset_dict = EU_CHARSET
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with mdt_path.open("rb") as mdt_file:
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file_count = int.from_bytes(mdt_file.read(4), "big")
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file_length_list = []
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for i in range(file_count):
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file_length_list.append( int.from_bytes(mdt_file.read(4), "big") * Mdt.__ALIGN )
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mdt_file.seek(Mdt.__HEADER_LEN)
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folder_path.mkdir()
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if len(file_length_list) != 2:
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raise Exception("Error - mdt total files != 2!")
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txtdat = TxtDat(folder_path)
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txtdat.unpack( mdt_file.read(file_length_list[0]), charset, charset_dict)
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(folder_path / "charset.tpl").write_bytes( mdt_file.read(file_length_list[1]) )
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def pack(self, folder_path:Path, mdt_path:Path):
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logging.info(f"Packing {folder_path} in {mdt_path}...")
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txtdat = TxtDat(folder_path)
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dat_files_paths = list(folder_path.glob("0_*"))
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txtdat_data = txtdat.pack(dat_files_paths)
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with mdt_path.open("wb") as mdt_file:
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header_bytes = b"\x00\x00\x00\x02"
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mdt_file.seek(Mdt.__HEADER_LEN)
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header_bytes += ceil(len(txtdat_data) / Mdt.__ALIGN).to_bytes(4, "big")
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mdt_file.write( txtdat_data.ljust(align_top(len(txtdat_data), self.__ALIGN), b"\x00") )
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file_data = (folder_path / "charset.tpl").read_bytes()
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header_bytes += ceil(len(file_data) / Mdt.__ALIGN).to_bytes(4, "big")
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mdt_file.write(file_data)
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mdt_file.seek(0)
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mdt_file.write( header_bytes )
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def get_argparser():
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import argparse
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parser = argparse.ArgumentParser(description='Gotcha Force MDT packer & unpacker - [GameCube] v' + __version__)
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||||
parser.add_argument('--version', action='version', version='%(prog)s ' + __version__)
|
||||
parser.add_argument('-v', '--verbose', action='store_true', help='verbose mode')
|
||||
parser.add_argument('-c', '--charset', type=str, help='-c=USA: use USA charset when unpacking.', default="")
|
||||
parser.add_argument('input_path', metavar='INPUT', help='')
|
||||
parser.add_argument('output_path', metavar='OUTPUT', help='', nargs='?', default="")
|
||||
|
||||
group = parser.add_mutually_exclusive_group(required=True)
|
||||
group.add_argument('-p', '--pack', action='store_true', help="-p source_folder (dest_file.mdt): Pack source_folder in new file source_folder.mdt or dest_file.mdt if specified.")
|
||||
group.add_argument('-u', '--unpack', action='store_true', help="-u source_file.mdt (dest_folder): Unpack the mdt file in new folder source_file or dest_folder if specified.")
|
||||
return parser
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
logging.basicConfig(format='%(levelname)s:%(message)s', level=logging.INFO)
|
||||
args = get_argparser().parse_args()
|
||||
|
||||
p_input = Path(args.input_path)
|
||||
p_output = Path(args.output_path)
|
||||
|
||||
mdt = Mdt()
|
||||
if args.verbose:
|
||||
logging.getLogger().setLevel(logging.DEBUG)
|
||||
|
||||
if args.pack:
|
||||
logging.info("### Pack")
|
||||
if not p_input.is_dir():
|
||||
raise Exception("Error - Invalid unpacked mdt folder path.")
|
||||
|
||||
if p_output == Path("."):
|
||||
p_output = p_input.with_suffix(".mdt")
|
||||
|
||||
if p_output.is_file() or p_output.is_dir():
|
||||
raise Exception(f"Error - {p_output} already exist. Please remove it before packing.")
|
||||
|
||||
mdt.pack(p_input, p_output)
|
||||
elif args.unpack:
|
||||
logging.info("### Unpack")
|
||||
if args.charset not in AVAILABLE_CHARSETS:
|
||||
raise InvalidCharsetError(f"Error - Invalid charset. To unpack the charset must be specified and in {str(AVAILABLE_CHARSETS)}")
|
||||
|
||||
if not p_input.is_file():
|
||||
raise Exception("Error - Invalid mdt file path.")
|
||||
|
||||
if p_output == Path("."):
|
||||
p_output = p_input.parent / p_input.stem
|
||||
|
||||
if p_output.is_file() or p_output.is_dir():
|
||||
raise Exception(f"Error - {p_output} already exist. Please remove it before unpacking.")
|
||||
|
||||
mdt.unpack(p_input, p_output, args.charset)
|
||||
Loading…
Reference in New Issue
Block a user