UnityPy 텍스쳐 삽입 시 "params must be an instance of BC7CompressBlockParams" 오류 해결

* 기준 UnityPy 버전: 1.21.2

 

 

import UnityPy
import os
from PIL import Image

file_list = [i for i in os.listdir("StandaloneWindows64") if i.endswith('.bundle')]
png_list = [i.replace(".png", "") for i in os.listdir("Edited_png") if i.endswith('.png')]
with open("log.txt", "w", encoding="utf-8") as log_file:
    log_file.write("Texture Import Log\n")
    log_file.write("===================\n")
    for file in file_list:
        modified = False
        env = UnityPy.load(os.path.join("StandaloneWindows64", file))
        write_list = []
        for obj in env.objects:
            if obj.type.name == "Texture2D":
                data = obj.read()
                if data.m_Name in png_list:
                    try:
                        fp = os.path.join("Edited_png", f"{data.m_Name}.png")
                        pil_img = Image.open(fp)
                        data.image = pil_img
                        data.save()
                        modified = True
                        write_list.append(f"\tReplaced: {data.m_Name}")
                    except Exception as e:
                        write_list.append(f"\tERROR: {data.m_Name}: {e}")
                        print(f"Error replacing {file} | {data.m_Name} | {e}")
                        modified = True
        if modified:
            print(f"Modified {file}")
            log_file.write(f"{file}\n")
            for log in write_list:
                log_file.write(log + "\n")

            os.makedirs("edited_tex", exist_ok=True)
            bdata = env.file.save()
            with open(os.path.join("edited_tex", file), "wb") as f:
                f.write(bdata)

 

위와 같은 코드가 있다고 가정해보자.

텍스쳐를 삽입하는 코드이다.

 

위 코드를 실행하면 다음과 같은 오류가 뜬다.

 

Error replacing 5f37268644f8047aff6dd63a579fa2fa.bundle | top_middle_menu00_T | params must be an instance of BC7CompressBlockParams
Modified 5f37268644f8047aff6dd63a579fa2fa.bundle
Modified d28cd75e9b51879a49a68c88637bff30.bundle
Modified gameresult_assets_all_da831bdd5b11f432755cb2e81878f503.bundle
Modified gametitle_assets_all_d96baea5dd03ba0473ce9e4248fd9f1e.bundle
Modified gametutorial_assets_all_96c0d6f26353d00ce10178e0fc88c12e.bundle
Error replacing language_assets_all_b2ce6152bacabee1760cb8d2d5e35e3d.bundle | gal_menu_parts_text00_T | params must be an instance of BC7CompressBlockParams
Error replacing language_assets_all_b2ce6152bacabee1760cb8d2d5e35e3d.bundle | piece_menu_info00_T | params must be an instance of BC7CompressBlockParams
Error replacing language_assets_all_b2ce6152bacabee1760cb8d2d5e35e3d.bundle | top_main_menu00_T | params must be an instance of BC7CompressBlockParams
Error replacing language_assets_all_b2ce6152bacabee1760cb8d2d5e35e3d.bundle | top_middle_menu00_T | params must be an instance of BC7CompressBlockParams
Error replacing language_assets_all_b2ce6152bacabee1760cb8d2d5e35e3d.bundle | com_button_info00_T | params must be an instance of BC7CompressBlockParams
Error replacing language_assets_all_b2ce6152bacabee1760cb8d2d5e35e3d.bundle | gal_title00_T | params must be an instance of BC7CompressBlockParams
Modified language_assets_all_b2ce6152bacabee1760cb8d2d5e35e3d.bundle
Error replacing menudata_assets_all_d8b8f2c658c6b0accf510d2b6b754691.bundle | gal_menu_parts_text00_T | params must be an instance of BC7CompressBlockParams
Error replacing menudata_assets_all_d8b8f2c658c6b0accf510d2b6b754691.bundle | piece_menu_info00_T | params must be an instance of BC7CompressBlockParams
Error replacing menudata_assets_all_d8b8f2c658c6b0accf510d2b6b754691.bundle | top_main_menu00_T | params must be an instance of BC7CompressBlockParams
Error replacing menudata_assets_all_d8b8f2c658c6b0accf510d2b6b754691.bundle | top_middle_menu00_T | params must be an instance of BC7CompressBlockParams
Error replacing menudata_assets_all_d8b8f2c658c6b0accf510d2b6b754691.bundle | gal_title00_T | params must be an instance of BC7CompressBlockParams
Modified menudata_assets_all_d8b8f2c658c6b0accf510d2b6b754691.bundle
Modified selectstage_assets_all_387bfd477d58fd82b69feaef26c9778b.bundle
Modified systembase_assets_all_821d344d22d7fabf2ae71f320dd8224b.bundle

 

 

"params must be an instance of BC7CompressBlockParams" 오류가 뜬다.

 

 

import UnityPy
import os
from PIL import Image
from UnityPy.enums import TextureFormat

file_list = [i for i in os.listdir("StandaloneWindows64") if i.endswith('.bundle')]
png_list = [i.replace(".png", "") for i in os.listdir("Edited_png") if i.endswith('.png')]
with open("log.txt", "w", encoding="utf-8") as log_file:
    log_file.write("Texture Import Log\n")
    log_file.write("===================\n")
    for file in file_list:
        modified = False
        env = UnityPy.load(os.path.join("StandaloneWindows64", file))
        write_list = []
        for obj in env.objects:
            if obj.type.name == "Texture2D":
                data = obj.read()
                if data.m_Name in png_list:
                    try:
                        fp = os.path.join("Edited_png", f"{data.m_Name}.png")
                        pil_img = Image.open(fp)
                        data.set_image(pil_img, target_format=TextureFormat(4), mipmap_count=4)
                        data.save()
                        modified = True
                        write_list.append(f"\tReplaced: {data.m_Name}")
                    except Exception as e:
                        write_list.append(f"\tERROR: {data.m_Name}: {e}")
                        print(f"Error replacing {file} | {data.m_Name} | {e}")
                        modified = True
        if modified:
            print(f"Modified {file}")
            log_file.write(f"{file}\n")
            for log in write_list:
                log_file.write(log + "\n")

            os.makedirs("edited_tex", exist_ok=True)
            bdata = env.file.save()
            with open(os.path.join("edited_tex", file), "wb") as f:
                f.write(bdata)

 

그럴땐 data.set_image()를 통해 강제로 텍스쳐포맷을 4 (RGBA32)로 설정해주면 된다.