code: def __parse_delta_buttons(self, env_action, agent_action):
      if self.num_delta_buttons != 0:
          if self.num_binary_buttons != 0:
              agent_action = agent_action["continuous"]
  
          # delta buttons have a direct mapping since they're reorganized to be prior to any binary buttons
          env_action[0 : self.num_delta_buttons] = agent_action
  
imports: import itertools
  import warnings
  from typing import Optional
  import gymnasium
  import numpy
  import pygame
  from gymnasium.utils import EzPickle
  import vizdoom.vizdoom
label_desc: Use image node_id 4 for calling the VizdoomEnv obj's underlying member method code with example usage: obj.__parse_delta_buttons(env_action, agent_action) without return types