Add sub-project support

configs/scripts/houdini-tool.py

@@ -44,6 +44,13 @@ def main() -> int:
         type=str,
         required=True,
     )
+    ap.add_argument(
+        "--sub-project",
+        "--sp",
+        help="Name of the sub-project to open",
+        type=str,
+        default=None,
+    )
     ap.add_argument(
         "--hou-version",
         help="Houdini version to use. Defaults to latest",
@@ -72,11 +79,14 @@ def main() -> int:
 
     # Determine the project path
     project_path = prepend_if_relative(HOUDINI_PROJECTS_DIR, Path(args.project))
-    project_save_file = project_path / f"{project_path.name}.hip"
+    project_save_file = project_path / (
+        f"{args.sub_project}.hip" if args.sub_project else f"{project_path.name}.hip"
+    )
     logger.info(f"Opening project from: {project_path}")
 
     # If the directory does not exist, create
     project_path.mkdir(parents=True, exist_ok=True)
+    (project_path / "render").mkdir(parents=True, exist_ok=True)
 
     # If allowed, set up env vars
     hou_env_settings = {}