feat(clew): extract rpa archives into game tree

src/clew/clew.py

@@ -8,6 +8,8 @@ import sys
 from collections import deque
 from pathlib import Path
 
+from rpycdec.rpa import extract_rpa
+
 LOG = logging.getLogger(__name__)
 
 def parse_args(argv: list[str]) -> argparse.Namespace:
@@ -32,11 +34,6 @@ def parse_args(argv: list[str]) -> argparse.Namespace:
         action="store_true",
         help="Replace Clew-managed output directories.",
     )
-    parser.add_argument(
-        "--suffix",
-        action="append",
-        help="Extract only archive paths with this suffix. Repeatable.",
-    )
     return parser.parse_args(argv)
 
 
@@ -57,6 +54,12 @@ def get_output_directory(output_root: Path, folder: str) -> Path:
     return directory
 
 
+def extract_archive(archive: Path, destination: Path) -> None:
+    destination.mkdir(parents=True, exist_ok=True)
+    with archive.open("rb") as handle:
+        extract_rpa(handle, output_dir=str(destination))
+
+
 def extract_game_files(game_root: Path, output_path: Path) -> None:
     queue = deque(game_root.iterdir())
 
@@ -67,6 +70,8 @@ def extract_game_files(game_root: Path, output_path: Path) -> None:
         if item.is_dir():
             destination.mkdir(parents=True, exist_ok=True)
             queue.extend(item.iterdir())
+        elif item.is_file() and item.suffix.lower() == ".rpa":
+            extract_archive(item, destination.with_suffix(""))
         elif item.is_file():
             destination.parent.mkdir(parents=True, exist_ok=True)
             shutil.copy2(item, destination)