Downgrading to Unreal 5.5.4

build.py

@@ -221,7 +221,10 @@ def unzip_unreal_engine_and_apply_patch():
         print(f"Unzipping {zipfn}...")
         with JZipFile(zipfn) as zf:
             zf.extractall(INTEGRATION)
-        patchfile = f"{INTEGRATION}/EnginePatches/EnginePatch"
+        version = zips[0].stem.split("-")[1]
+        patchfile = f"{INTEGRATION}/EnginePatches/EnginePatch-{version}"
+        if not Path(patchfile).is_file():
+            sys.exit(f"Cannot find engine patch: {patchfile}")
         shell(extracted, f"patch -p0 < {patchfile}")
         Path(extracted).rename(UNREALENGINE)
         Path(touchfile).touch()