用 Claude 玩文字冒险：AI 创意交互应用

Hacker News · borretti.me#Claude#交互应用

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展示 Claude 在交互式文字游戏中的应用,是 AI 多模态对话的有趣案例但工作应用有限。

$ dfrotz games/anchor.z8 ... Outside the Real Estate Office day one ANCHORHEAD An interactive gothic by Michael S. Gentry (Type HELP or ABOUT for some useful information.) Release 5 / Serial number 990206 / Inform v6.15 Library 6/7 Outside the Real Estate Office A grim little cul-de-sac, tucked away in a corner of the claustrophobic tangle of narrow, twisting avenues that largely constitute the older portion of Anchorhead. Like most of the streets in this city, it is ancient, shadowy, and leads essentially nowhere. The lane ends here at the real estate agent's office, which lies to the east, and winds its way back toward the center of town to the west. A narrow, garbage-choked alley opens to the southeast. >go southeast Alley day one Alley This narrow aperture between two buildings is nearly blocked with piles of rotting cardboard boxes and overstuffed garbage cans. Ugly, half-crumbling brick walls to either side totter oppressively over you. The alley ends here at a tall, wooden fence. High up on the wall of the northern building there is a narrow, transom-style window.

class Interpreter: """Manages the dfrotz Z-machine interpreter process.""" p: Popen def __init__(self): log("Starting dfrotz.") p: Popen = Popen( ["dfrotz", "-m", GAME], stdin=PIPE, stdout=PIPE, stderr=PIPE, ) log(f"Started dfrotz with PID={p.pid}.") # Set stdout/stderr to non-blocking mode. for stream in [p.stdout, p.stderr]: assert stream is not None fd = stream.fileno() flags = fcntl.fcntl(fd, fcntl.F_GETFL) fcntl.fcntl(fd, fcntl.F_SETFL, flags | os.O_NONBLOCK) self.p = p def read(self) -> str: assert self.p.stdout is not None b: bytes | None = self.p.stdout.read() if b is not None: t: str = b.decode("utf-8") return t else: return "" def write(self, t: str) -> None: assert self.p.stdin is not None self.p.stdin.write(t.encode("utf-8")) self.p.stdin.flush() # Give the interpreter time to respond. Not ideal! time.sleep(0.1)

class Player(ABC): """ Interface for game-playing agents. """ @abstractmethod def cycle(self, text: str) -> str: """ Send the game's output to the agent, and return the next command to execute. """ pass

SYSTEM_PROMPT: str = """ Hello Claude. Your task is to play an adventure game. I've hooked up your output to the dfrotz (dumb frotz) interpreter. The structure of your output is fairly freeform. The first line that starts with `>` (and only the first line!) is interpreted as a game command, everything else is uninterpreted commentary, e.g. you may write: We should go north to explore the church. >go north Maybe we can use the silver key there. If you write multiple `>` lines in one response, all but the first will be ignored. Have fun! 😊 """ class SimplePlayer(Player): """ The simplest game-playing agent: keep the entire game history in-context. """ client: Anthropic history: list[tuple[EntryType, str]] def __init__(self): self.client = Anthropic() self.history = [] def cycle(self, text: str) -> str: self.history.append((EntryType.GAME, text)) system = trim(SYSTEM_PROMPT) messages: list[MessageParam] = [] for entry_type, entry_text in self.history: role: str match entry_type: case EntryType.GAME: role = "user" case EntryType.COMMAND: role = "assistant" messages.append( { "role": role, "content": entry_text, } ) message: Message = self.client.messages.create( max_tokens=512, model=MODEL, system=system, messages=messages, ) log(f"Tokens: {message.usage.input_tokens}") response: str = message.content[0].text log_claude(response) lines: list[str] = [line for line in response.split("\n") if line] cmd: str = [line for line in lines if line.startswith(">")][0][1:] self.history.append((EntryType.COMMAND, response)) return cmd

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