海盗王客户端的纹理贴图bmp文件有些是加密，很多人想解密并修改替换，现在给出解密的python代码：
import os
import struct
import copy
from pathlib import Pathclass TexEncode:def __init__(self):self.MAGIC_BYTES = b'mp.x' # 魔法字节标识符def _decode0(self, data):"""基础解密操作：交换数据前后部分"""i = 44 # 固定交换长度s = len(data)if s > i:# 保存前i字节tmp = data[:i]# 交换：前i字节替换为后i字节data[:i] = data[s-i:s]# 后i字节替换为之前保存的前i字节data[s-i:s] = tmpreturn datadef _decode1(self, data):"""带标识的解密"""# 检查是否已加密（末尾是否有魔法字节）if len(data) < 4 or data[-4:] != self.MAGIC_BYTES:return None # 未加密或数据不完整# 移除魔法字节标识data = data[:-4]# 执行基础解密data = self._decode0(data)return datadef decode(self, data):"""对外接口：解密"""return self._decode1(data)def is_encrypted_bmp(file_path):"""检查文件是否为加密的BMP图片"""try:# 检查文件扩展名if file_path.suffix.lower() not in ['.bmp']:return False# 读取文件末尾检查魔法字节with open(file_path, 'rb') as f:f.seek(-4, 2) # 定位到文件末尾4字节magic_bytes = f.read(4)return magic_bytes == b'mp.x'except:return Falsedef process_file(file_path, encoder):"""处理单个文件"""try:# 读取文件数据with open(file_path, 'rb') as f:data = bytearray(f.read())print(f"正在处理: {file_path}")# 尝试解密decrypted_data = encoder.decode(data)if decrypted_data is not None:# 解密成功，写回原文件with open(file_path, 'wb') as f:f.write(decrypted_data)print(f"✓ 成功解密并替换: {file_path}")return Trueelse:print(f" 文件未加密或解密失败: {file_path}")return Falseexcept Exception as e:print(f"✗ 处理文件时出错 {file_path}: {str(e)}")return Falsedef traverse_and_decrypt(root_folder):"""遍历文件夹，查找并解密加密的BMP图片"""root_path = Path(root_folder)encoder = TexEncode()if not root_path.exists():print(f"错误: 文件夹不存在 - {root_folder}")returnprocessed_count = 0decrypted_count = 0print(f"开始遍历文件夹: {root_folder}")print("=" * 50)# 遍历所有文件for file_path in root_path.rglob('*'):if file_path.is_file():processed_count += 1# 检查是否为加密的BMP文件if is_encrypted_bmp(file_path):if process_file(file_path, encoder):decrypted_count += 1print("=" * 50)print(f"处理完成!")print(f"总共检查文件数: {processed_count}")print(f"成功解密文件数: {decrypted_count}")def main():# 指定要处理的文件夹路径folder_path = input("请输入要处理的文件夹路径: ").strip()if not folder_path:# 默认使用当前目录folder_path = "."try:traverse_and_decrypt(folder_path)except KeyboardInterrupt:print("\n用户中断操作")except Exception as e:print(f"程序执行出错: {str(e)}")# 批量处理多个文件夹的版本
def batch_process_folders(folder_list):"""批量处理多个文件夹"""encoder = TexEncode()for folder_path in folder_list:print(f"\n处理文件夹: {folder_path}")print("-" * 30)traverse_and_decrypt(folder_path)# 安全版本：备份原文件后再处理
def safe_traverse_and_decrypt(root_folder, backup_suffix=".encrypted"):"""安全版本：先备份再处理"""root_path = Path(root_folder)encoder = TexEncode()if not root_path.exists():print(f"错误: 文件夹不存在 - {root_folder}")returnprocessed_count = 0decrypted_count = 0print(f"开始安全遍历文件夹: {root_folder}")print("=" * 50)# 遍历所有文件for file_path in root_path.rglob('*'):if file_path.is_file():processed_count += 1# 检查是否为加密的BMP文件if is_encrypted_bmp(file_path):try:# 创建备份backup_path = file_path.with_suffix(file_path.suffix + backup_suffix)if not backup_path.exists():file_path.rename(backup_path)print(f"已创建备份: {backup_path}")# 从备份文件读取并解密with open(backup_path, 'rb') as f:data = bytearray(f.read())decrypted_data = encoder.decode(data)if decrypted_data is not None:# 写入解密后的文件到原位置with open(file_path, 'wb') as f:f.write(decrypted_data)print(f"✓ 成功解密: {file_path}")decrypted_count += 1else:print(f" 解密失败，恢复原文件: {file_path}")backup_path.rename(file_path) # 恢复原文件except Exception as e:print(f"✗ 处理文件时出错 {file_path}: {str(e)}")print("=" * 50)print(f"安全处理完成!")print(f"总共检查文件数: {processed_count}")print(f"成功解密文件数: {decrypted_count}")if __name__ == "__main__":# 运行主程序# main()# 或者使用安全版本safe_traverse_and_decrypt("E:/HDW2/hdw-2022-64/Client64/bin/texture2")# 或者批量处理# batch_process_folders(["./folder1", "./folder2", "./folder3"])
运行这段代码后，会将指定文件夹下的所有bmp文件解密，就可以用ps等编辑更换了。
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