forked from Hay1tsme/artemis
mai2: implement event reader for pre-dx games
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@ -145,7 +145,7 @@ python read.py --series <Game Code> --version <Version ID> --binfolder /path/to/
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```
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The importer for maimai DX will import Events, Music and Tickets.
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The importer for maimai Pre-DX will import Events and Music. Not all games will have patch data. Milk - Finale have file encryption, and need an AES key. That key is not provided by the developers.
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The importer for maimai Pre-DX will import Events and Music. Not all games will have patch data. Milk - Finale have file encryption, and need an AES key. That key is not provided by the developers. For games that do use encryption, provide the key, as a hex string, with the `--extra` flag. Ex `--extra 00112233445566778899AABBCCDDEEFF`
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**Important: It is required to use the importer because some games may not function properly or even crash without Events!**
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@ -82,5 +82,5 @@ class Mai2Constants:
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@classmethod
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def game_ver_to_string(cls, ver: int):
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if ver >= 1000:
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return cls.VERSION_STRING_OLD[ver / 1000]
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return cls.VERSION_STRING_OLD[ver - 1000]
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return cls.VERSION_STRING[ver]
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@ -4,6 +4,9 @@ import os
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import re
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import xml.etree.ElementTree as ET
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from typing import Any, Dict, List, Optional
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from Crypto.Cipher import AES
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import zlib
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import codecs
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from core.config import CoreConfig
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from core.data import Data
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@ -34,18 +37,139 @@ class Mai2Reader(BaseReader):
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def read(self) -> None:
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data_dirs = []
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if self.bin_dir is not None:
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data_dirs += self.get_data_directories(self.bin_dir)
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if self.version < Mai2Constants.VER_MAIMAI:
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if self.bin_dir is not None:
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data_dirs += self.get_data_directories(self.bin_dir)
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if self.opt_dir is not None:
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data_dirs += self.get_data_directories(self.opt_dir)
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if self.opt_dir is not None:
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data_dirs += self.get_data_directories(self.opt_dir)
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for dir in data_dirs:
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self.logger.info(f"Read from {dir}")
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self.get_events(f"{dir}/event")
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self.disable_events(f"{dir}/information", f"{dir}/scoreRanking")
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self.read_music(f"{dir}/music")
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self.read_tickets(f"{dir}/ticket")
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for dir in data_dirs:
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self.logger.info(f"Read from {dir}")
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self.get_events(f"{dir}/event")
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self.disable_events(f"{dir}/information", f"{dir}/scoreRanking")
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self.read_music(f"{dir}/music")
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self.read_tickets(f"{dir}/ticket")
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else:
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self.logger.warn("Pre-DX Readers are not yet implemented!")
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if not os.path.exists(f"{self.bin_dir}/tables"):
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self.logger.error(f"tables directory not found in {self.bin_dir}")
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return
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if self.version >= Mai2Constants.VER_MAIMAI_MILK:
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if self.extra is None:
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self.logger.error("Milk - Finale requre an AES key via a hex string send as the --extra flag")
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return
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key = bytes.fromhex(self.extra)
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else:
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key = None
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evt_table = self.load_table_raw(f"{self.bin_dir}/tables", "mmEvent.bin", key)
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txt_table = self.load_table_raw(f"{self.bin_dir}/tables", "mmtextout_jp.bin", key)
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score_table = self.load_table_raw(f"{self.bin_dir}/tables", "mmScore.bin", key)
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self.read_old_events(evt_table)
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return
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def load_table_raw(self, dir: str, file: str, key: Optional[bytes]) -> Optional[List[Dict[str, str]]]:
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if not os.path.exists(f"{dir}/{file}"):
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self.logger.warn(f"file {file} does not exist in directory {dir}, skipping")
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return
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self.logger.info(f"Load table {file} from {dir}")
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if key is not None:
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cipher = AES.new(key, AES.MODE_CBC)
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with open(f"{dir}/{file}", "rb") as f:
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f_encrypted = f.read()
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f_data = cipher.decrypt(f_encrypted)[0x10:]
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else:
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with open(f"{dir}/{file}", "rb") as f:
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f_data = f.read()[0x10:]
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if f_data is None or not f_data:
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self.logger.warn(f"file {dir} could not be read, skipping")
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return
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f_data_deflate = zlib.decompress(f_data, wbits = zlib.MAX_WBITS | 16)
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f_decoded = codecs.utf_16_le_decode(f_data_deflate)[0]
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f_split = f_decoded.splitlines()
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has_struct_def = "struct " in f_decoded
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is_struct = False
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struct_def = []
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tbl_content = []
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if has_struct_def:
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for x in f_split:
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if x.startswith("struct "):
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is_struct = True
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struct_name = x[7:-1]
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continue
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if x.startswith("};"):
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is_struct = False
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break
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if is_struct:
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try:
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struct_def.append(x[x.rindex(" ") + 2: -1])
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except ValueError:
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self.logger.warn(f"rindex failed on line {x}")
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if is_struct:
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self.logger.warn("Struct not formatted properly")
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if not struct_def:
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self.logger.warn("Struct def not found")
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name = file[:file.index(".")]
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if "_" in name:
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name = name[:file.index("_")]
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for x in f_split:
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if not x.startswith(name.upper()):
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continue
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line_match = re.match(r"(\w+)\((.*?)\)([ ]+\/{3}<[ ]+(.*))?", x)
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if line_match is None:
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continue
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if not line_match.group(1) == name.upper():
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self.logger.warn(f"Strange regex match for line {x} -> {line_match}")
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continue
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vals = line_match.group(2)
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comment = line_match.group(4)
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line_dict = {}
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vals_split = vals.split(",")
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for y in range(len(vals_split)):
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stripped = vals_split[y].strip().lstrip("L\"").lstrip("\"").rstrip("\"")
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if not stripped or stripped is None:
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continue
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if has_struct_def and len(struct_def) > y:
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line_dict[struct_def[y]] = stripped
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else:
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line_dict[f'item_{y}'] = stripped
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if comment:
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line_dict['comment'] = comment
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tbl_content.append(line_dict)
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if tbl_content:
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return tbl_content
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else:
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self.logger.warning("Failed load table content, skipping")
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return
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def get_events(self, base_dir: str) -> None:
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self.logger.info(f"Reading events from {base_dir}...")
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@ -188,3 +312,16 @@ class Mai2Reader(BaseReader):
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self.version, id, ticket_type, price, name
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)
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self.logger.info(f"Added ticket {id}...")
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def read_old_events(self, events: List[Dict[str, str]]) -> None:
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for event in events:
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evt_id = int(event.get('イベントID', '0'))
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evt_expire_time = float(event.get('オフ時強制時期', '0.0'))
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is_exp = bool(int(event.get('海外許可', '0')))
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is_aou = bool(int(event.get('AOU許可', '0')))
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name = event.get('comment', f'evt_{evt_id}')
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self.data.static.put_game_event(self.version, 0, evt_id, name)
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if not (is_exp or is_aou):
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self.data.static.toggle_game_event(self.version, evt_id, False)
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