class BasicLevelTranslator: def __init__(self): pass def translate(self, state): ( torso_z_coordinate, torso_x_orientation, torso_y_orientation, torso_z_orientation, torso_w_orientation, front_left_hip_angle, front_left_link_angle, front_right_hip_angle, front_right_link_angle, back_left_hip_angle, back_left_link_angle, back_right_hip_angle, back_right_link_angle, torso_x_velocity, torso_y_velocity, torso_z_velocity, torso_x_angular_velocity, torso_y_angular_velocity, torso_z_angular_velocity, front_left_hip_angular_velocity, front_left_link_angular_velocity, front_right_hip_angular_velocity, front_right_link_angular_velocity, back_left_hip_angular_velocity, back_left_link_angular_velocity, back_right_hip_angular_velocity, back_right_link_angular_velocity, ) = state[:27] res = ( f"Torso Z-coordinate: {torso_z_coordinate:.2f}, " f"Torso X-orientation: {torso_x_orientation:.2f}, " f"Torso Y-orientation: {torso_y_orientation:.2f}, " f"Torso Z-orientation: {torso_z_orientation:.2f}, " f"Torso W-orientation: {torso_w_orientation:.2f}, " f"Front Left Hip Angle: {front_left_hip_angle:.2f}, " f"Front Left Link Angle: {front_left_link_angle:.2f}, " f"Front Right Hip Angle: {front_right_hip_angle:.2f}, " f"Front Right Link Angle: {front_right_link_angle:.2f}, " f"Back Left Hip Angle: {back_left_hip_angle:.2f}, " f"Back Left Link Angle: {back_left_link_angle:.2f}, " f"Back Right Hip Angle: {back_right_hip_angle:.2f}, " f"Back Right Link Angle: {back_right_link_angle:.2f}, " f"Torso X Velocity: {torso_x_velocity:.2f}, " f"Torso Y Velocity: {torso_y_velocity:.2f}, " f"Torso Z Velocity: {torso_z_velocity:.2f}, " f"Torso X Angular Velocity: {torso_x_angular_velocity:.2f}, " f"Torso Y Angular Velocity: {torso_y_angular_velocity:.2f}, " f"Torso Z Angular Velocity: {torso_z_angular_velocity:.2f}, " f"Front Left Hip Angular Velocity: {front_left_hip_angular_velocity:.2f}, " f"Front Left Link Angular Velocity: {front_left_link_angular_velocity:.2f}, " f"Front Right Hip Angular Velocity: {front_right_hip_angular_velocity:.2f}, " f"Front Right Link Angular Velocity: {front_right_link_angular_velocity:.2f}, " f"Back Left Hip Angular Velocity: {back_left_hip_angular_velocity:.2f}, " f"Back Left Link Angular Velocity: {back_left_link_angular_velocity:.2f}, " f"Back Right Hip Angular Velocity: {back_right_hip_angular_velocity:.2f}, " f"Back Right Link Angular Velocity: {back_right_link_angular_velocity:.2f}" ) return res class GameDescriber: def __init__(self, args): self.is_only_local_obs = args.is_only_local_obs == 1 self.max_episode_len = args.max_episode_len self.action_desc_dict = { } self.reward_desc_dict = { } def translate_terminate_state(self, state, episode_len, max_episode_len): return "" def translate_potential_next_state(self, state, action): return "" def describe_goal(self): return "The goal is to coordinate the four legs of the ant robot to move forward." def describe_game(self): return ( "In the Ant environment, you control a 3D robot called the ant. The ant has a torso with four legs, " "each consisting of two links and connected by hinge joints. Your objective is to apply torques to " "the eight hinge joints to coordinate the four legs and make the ant move forward in the positive x-direction. " "The environment provides observations of the ant's body parts and velocities, including the torso and leg angles, " "orientations, and velocities. The episode ends when the ant becomes unhealthy, which can be due to various conditions." ) def describe_action(self): return ( "Your next move: \n Please choose your action which applies torques at the eight hinge joints of the ant. It be a list of eight numerical values and each value is within the range of [-1,1]." ) class BasicStateSequenceTranslator(BasicLevelTranslator): def translate(self, infos, is_current=False): descriptions = [] if is_current: state_desc = BasicLevelTranslator().translate(infos[-1]['state']) return state_desc for i, info in enumerate(infos): assert 'state' in info, "info should contain state information" state_desc = BasicLevelTranslator().translate(info['state']) action_desc = ( "Take Action: " "Apply Front Left Hip Torque: {:.2f}, " "Apply Front Left Link Torque: {:.2f}, " "Apply Front Right Hip Torque: {:.2f}, " "Apply Front Right Link Torque: {:.2f}, " "Apply Back Left Hip Torque: {:.2f}, " "Apply Back Left Link Torque: {:.2f}, " "Apply Back Right Hip Torque: {:.2f}, " "Apply Back Right Link Torque: {:.2f}" ).format( info['action'][0], info['action'][1], info['action'][2], info['action'][3], info['action'][4], info['action'][5], info['action'][6], info['action'][7] ) reward_desc = f"Result: Reward of {info['reward']:.2f}, " next_state_desc = BasicLevelTranslator().translate(info['next_state']) descriptions.append(f"{state_desc}.\\n {action_desc} \\n {reward_desc} \\n Transit to {next_state_desc}") return descriptions