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| # [Translator classes and functions for Atari Boxing environment] | |
| #'labels': {'player_y': 109, 'player_x': 188, 'enemy_y': 20, 'enemy_x': 64, 'ball_x': 0, 'ball_y': 0, 'enemy_score': 0, 'player_score': 0} | |
| class BasicLevelTranslator: | |
| def __init__(self, ): | |
| pass | |
| def translate(self, state): | |
| player_y, player_x, enemy_y, enemy_x, ball_x, ball_y, enemy_score, player_score = state | |
| return f"The player is at position ({player_y, player_x}, your opponent is at position ({enemy_y, enemy_x}) ), the ball is at ({ball_y, ball_x})" \ | |
| f"your oppoent's score is {enemy_score}, your score is {player_score}." | |
| 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 describe_goal(self): | |
| return "The goal is to knock out your opponent." | |
| def translate_terminate_state(self, state, episode_len, max_episode_len): | |
| return "" | |
| def translate_potential_next_state(self, state, action): | |
| return "" | |
| def describe_game(self): | |
| return "In the Pong game, you play the ball with your opponent, each player rallys the ball by moving the paddles on the playfield. " \ | |
| "Paddles move only vertically on the playfield. A player scores one point when the opponent hits the ball out of bounds or misses a hit. " \ | |
| "The first player to score 21 points wins the game." | |
| def describe_action(self): | |
| return "Your Next Move: \n Please choose an action. Type '1' for NOOP (no operation), '2' to hit the ball, " \ | |
| "'3' to move right, '4' to move left, '5' to move right while hit the ball, '6' to move left while hit the ball. Ensure you only provide the action number " \ | |
| "from the valid action list, i.e., [1, 2, 3, 4, 5, 6]." | |
| 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']) | |
| if info['action'] == 1: | |
| action_desc = f"Take Action: 'Do nothing'" | |
| elif info['action'] == 2: | |
| action_desc = f"Take Action: 'Hit your ball'" | |
| elif info['action'] == 3: | |
| action_desc = f"Take Action: 'Move right'" | |
| elif info['action'] == 4: | |
| action_desc = f"Take Action: 'Move left'" | |
| elif info['action'] == 5: | |
| action_desc = f"Take Action: 'Move right while hiting the ball'" | |
| else: | |
| action_desc = f"Take Action: 'Move left while hiting the ball'" | |
| reward_desc = f"Result: Reward of {info['reward']}, " | |
| 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 | |