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| import os |
| from typing import Any, Dict, Set |
|
|
| from .io_utils import load_json |
|
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|
|
| class ObjectLibrary(object): |
| def __init__(self, object_library_json: Dict[str, Any], asset_folder: str): |
| self._object_library_json = object_library_json |
| ( |
| self._object_id_to_name_dict, |
| self._object_name_to_id_dict, |
| ) = self._get_object_id_name_mappings(object_library_json) |
| ( |
| self._headset_id_to_name_dict, |
| self._headset_name_to_id_dict, |
| ) = self._get_headset_id_name_mappings(object_library_json) |
|
|
| self._asset_folder = asset_folder |
|
|
| @property |
| def object_id_to_name_dict(self): |
| return self._object_id_to_name_dict |
|
|
| @property |
| def object_name_to_id_dict(self): |
| return self._object_name_to_id_dict |
|
|
| @property |
| def headset_id_to_name_dict(self): |
| return self._headset_id_to_name_dict |
|
|
| @property |
| def headset_name_to_id_dict(self): |
| return self._headset_name_to_id_dict |
|
|
| @property |
| def object_uids(self) -> Set[str]: |
| return set(self._object_name_to_id_dict.values()) |
|
|
| @property |
| def headset_uids(self) -> Set[str]: |
| return set(self._headset_name_to_id_dict.values()) |
|
|
| @property |
| def asset_folder_name(self) -> str: |
| return self._asset_folder |
|
|
| def _get_object_id_name_mappings(self, object_info_json): |
| object_id_to_name_dict = { |
| k: v["instance_name"] |
| for k, v in object_info_json.items() |
| if v["instance_type"] == "object" and v["motion_type"] == "dynamic" |
| } |
| object_name_to_id_dict = {v: k for k, v in object_id_to_name_dict.items()} |
| return object_id_to_name_dict, object_name_to_id_dict |
|
|
| def _get_headset_id_name_mappings(self, object_info_json): |
| headset_id_to_name_dict = { |
| k: v["instance_name"] |
| for k, v in object_info_json.items() |
| if v["instance_type"] == "headset" |
| } |
| headset_name_to_id_dict = {v: k for k, v in headset_id_to_name_dict.items()} |
| return headset_id_to_name_dict, headset_name_to_id_dict |
|
|
| @staticmethod |
| def get_cad_asset_path(object_library_folderpath: str, object_id: str) -> str: |
| return os.path.join(object_library_folderpath, f"{object_id}.glb") |
|
|
|
|
| def load_object_library(object_library_folderpath: str) -> ObjectLibrary: |
| instance_filepath = os.path.join(object_library_folderpath, "instance.json") |
| object_library_json = load_json(instance_filepath) |
| asset_folder = os.path.join(object_library_folderpath) |
| return ObjectLibrary(object_library_json, asset_folder) |
|
|
