from pathlib import Path

import unreal

RENDER_TARGET_ASSET = "/Game/NewTextureRenderTarget2D"
OUTPUT_FILE = Path(unreal.Paths.project_saved_dir()) / "demo_from_cpp.png"

render_target = unreal.load_asset(RENDER_TARGET_ASSET)

# Parametry Out funkcji UFUNCTION wracaja w Pythonie jako tuple.
png_bytes, error = unreal.DemoRenderBridge.render_target_to_png(
    render_target
)

if error:
    raise RuntimeError(error)

OUTPUT_FILE.write_bytes(bytes(png_bytes))
unreal.log(f"preview saved as {OUTPUT_FILE}")