mdt_deck_reader.py

import json

import i18n
import pymem

_ = i18n.t


def pointer_to_address(process, base, offsets):
    offset_final = offsets.pop()
    address_next = process.read_longlong(base)
    for offset in offsets:
        address_next = process.read_longlong(address_next + offset)
    address_final = address_next + offset_final
    return address_final


def read_memory_int(process, address):
    value = process.read_int(address)
    return value


def read_memory_bytes(process, address, count):
    inc = 0x18
    value = process.read_bytes(address, count * inc)
    return value


def deck_bytes_to_list(bytes: bytes, count: int):
    inc = 0x18
    card_list = []
    for i in range(count):
        card_list.append(
            int.from_bytes(bytes[i * inc : i * inc + 2], byteorder="little")
        )
    return card_list


def get_process(process_name):
    process = pymem.Pymem(process_name)
    return process


def get_base_address(process, module):
    base_addr = pymem.process.module_from_name(
        process.process_handle, module
    ).lpBaseOfDll
    return base_addr


def get_database(path):
    with open(path, "rb") as f:
        cards_db = json.load(f)
    return cards_db


def get_deck_dict():
    main_name = "masterduel.exe"
    module_name = "GameAssembly.dll"
    ma_count_static = 0x01E99C18
    ma_count_offsets = [0xB8, 0x00, 0xF8, 0x1C0, 0x90, 0x18]
    ex_count_static = 0x01E99C18
    ex_count_offsets = [0xB8, 0x00, 0xF8, 0x1C0, 0x98, 0x18]
    ma_cards_static = 0x01E99C18
    ma_cards_offsets = [0xB8, 0x00, 0xF8, 0x1C0, 0x90, 0x10, 0x20]
    ex_cards_static = 0x01E99C18
    ex_cards_offsets = [0xB8, 0x00, 0xF8, 0x1C0, 0x98, 0x10, 0x20]
    deck_dict = {"error": _("无法读取卡组信息")}
    try:
        pm = get_process(main_name)
        base_address = get_base_address(pm, module_name)
        ma_count_addr = base_address + ma_count_static
        ex_count_addr = base_address + ex_count_static
        ma_cards_addr = base_address + ma_cards_static
        ex_cards_addr = base_address + ex_cards_static
        ma_count = read_memory_int(
            pm, pointer_to_address(pm, ma_count_addr, ma_count_offsets)
        )
        ex_count = read_memory_int(
            pm, pointer_to_address(pm, ex_count_addr, ex_count_offsets)
        )
        ma_cid_list = deck_bytes_to_list(
            read_memory_bytes(
                pm, pointer_to_address(pm, ma_cards_addr, ma_cards_offsets), ma_count
            ),
            ma_count,
        )
        ex_cid_list = deck_bytes_to_list(
            read_memory_bytes(
                pm, pointer_to_address(pm, ex_cards_addr, ex_cards_offsets), ex_count
            ),
            ex_count,
        )
        deck_dict = {
            "ma_count": ma_count,
            "ex_count": ex_count,
            "ma_cid_list": ma_cid_list,
            "ex_cid_list": ex_cid_list,
        }
        return deck_dict
    except Exception:  # as e:
        # print(e)
        return deck_dict


def get_deck_string(locale: str):
    db_name = "./locales/" + locale + "/cards.json"
    deck_string = ""
    try:
        cards_db = get_database(db_name)
        deck = get_deck_dict()
    except Exception:  # Exception as e:
        # print(e)
        deck_string += _("无法读取卡组信息")
        return deck_string
    if "error" not in deck:
        deck_string += f"----------------主卡组: {deck['ma_count']}----------------\n"
        c = 0
        for cid in deck["ma_cid_list"]:
            c += 1
            card_string = ""
            try:
                card_info = cards_db[str(cid)]
            except Exception:
                card_string += "查无此卡"

            try:
                card_string += f"{card_info['cn_name']}    "
                card_string += f"{card_info['jp_name']}    "
                card_string += f"{card_info['en_name']}"
            except Exception:
                card_string += "    " + "该卡信息有缺失"
            deck_string += f"{c:<2} {card_string}\n"

        deck_string += f"----------------额外卡组: {deck['ex_count']}----------------\n"
        c = 0
        for cid in deck["ex_cid_list"]:
            c += 1
            card_string = ""
            try:
                card_info = cards_db[str(cid)]
            except Exception:
                card_string += "查无此卡"

            try:
                card_string += f"{card_info['cn_name']}    "
                card_string += f"{card_info['jp_name']}    "
                card_string += f"{card_info['en_name']}"
            except Exception:
                card_string += "    " + "该卡信息有缺失"
            deck_string += f"{c:<2} {card_string}\n"

    return deck_string


def ydk_converter(ydk_deck: str, game_client_locale: str = "en"):
    if ydk_deck is None:
        print(_("格式有误"))
        return None

    # 读取数据库，预载卡片信息
    try:
        db_name = "./locales/zh-CN/cards.json"
        # cid -> id, en, jp
        cards_db = get_database(db_name)
        # id -> en, jp, cid
        cards_db_cache = {
            card_info["id"]: {
                "jp_name": card_info["jp_name"],
                "en_name": card_info["en_name"],
                "cid": cid,
            }
            for (cid, card_info) in cards_db.items()
        }
    except Exception:
        print(_("无法读取卡组信息"))
        return None

    result = []
    for line in ydk_deck.split("\n"):
        cards_id = line.strip()
        if cards_id.startswith("#") or cards_id == "":
            # 跳过注释和空行
            continue
        elif cards_id.startswith("!"):
            # side deck
            break
        elif not cards_id.isdigit():
            # 用户粘贴的未知字符
            print(_("格式有误"))
            return None

        try:
            # 获取卡片信息
            card_info = cards_db_cache[int(cards_id)]
        except Exception as e:
            print(e)
            print(_("查无此卡"))
            return None

        try:
            # 获取卡片名称
            result.append(
                (f"{card_info[f'{game_client_locale}_name']}", card_info["cid"])
            )
        except Exception as e:
            print(e)
            print(_("格式有误"))
            return None

    return result


def _check_two_array_not_same(deck1: list[int], deck2: list[int]):
    """
    给两个拥有重复元素的列表，返回各自中独立存在的元素
    例：[1, 2, 2, 4] [2, 3, 4, 4] -> [1, 2] [3, 4]
    复杂度：O(n)
    """
    l, r = 0, 0
    error1 = []
    error2 = []
    while l < len(deck1) or r < len(deck2):
        if l < len(deck1) and r < len(deck2) and deck1[l] == deck2[r]:
            l += 1
            r += 1
        elif l < len(deck1) and (r == len(deck2) - 1 or deck1[l] < deck2[r]):
            error1.append(deck1[l])
            l += 1
        elif r < len(deck2):
            error2.append(deck2[r])
            r += 1
    return error1, error2


def check_deck(ydk_deck: list[int], locale):
    _dict = get_deck_dict()
    if "error" not in _dict:
        deck1 = sorted(list(map(int, _dict["ma_cid_list"] + _dict["ex_cid_list"])))
        deck2 = sorted(ydk_deck)
        error1, error2 = _check_two_array_not_same(deck1, deck2)

        db_name = "./locales/" + locale + "/cards.json"
        cards_db = get_database(db_name)
        error1 = [cards_db[str(cid)]["cn_name"] for cid in error1]
        error2 = [cards_db[str(cid)]["cn_name"] for cid in error2]
        print(error1, "imported wrong in your deck.")
        print(error2, "in ydk deck haven't been imported")
    else:
        print("卡组读取错误")
    return {"error1": error1, "error2": error2}


if __name__ == "__main__":
    print(get_deck_dict())