def __init__()

in lib/action_mapping.py [0:0]


    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.camera_groups = OrderedDict(
            camera_x=[f"camera_x{i}" for i in range(self.n_camera_bins)],
            camera_y=[f"camera_y{i}" for i in range(self.n_camera_bins)],
        )
        self.camera_combinations = list(itertools.product(*self.camera_groups.values()))
        self.camera_combination_to_idx = {comb: i for i, comb in enumerate(self.camera_combinations)}
        self.camera_idx_to_combination = {i: comb for i, comb in enumerate(self.camera_combinations)}
        self.camera_null_idx = self.camera_combination_to_idx[
            (f"camera_x{self.camera_null_bin}", f"camera_y{self.camera_null_bin}")
        ]
        self._null_action = {
            "buttons": self.BUTTONS_COMBINATION_TO_IDX[tuple("none" for _ in range(len(self.BUTTONS_GROUPS)))]
        }
        self._precompute_to_factored()