164 lines
5.4 KiB
Python
164 lines
5.4 KiB
Python
from itertools import count
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from logging import getLogger
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from math import inf
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from typing import Callable, Sequence
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from packit.loops import loop_retry
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from packit.results import multi_function_or_str_result
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from packit.toolbox import Toolbox
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from packit.utils import could_be_json
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from adventure.actions.base import (
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action_ask,
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action_give,
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action_look,
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action_move,
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action_take,
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action_tell,
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)
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from adventure.context import (
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broadcast,
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get_actor_agent_for_name,
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get_actor_for_agent,
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get_current_step,
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get_current_world,
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set_current_actor,
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set_current_room,
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set_current_step,
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set_current_world,
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set_game_systems,
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)
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from adventure.game_system import GameSystem
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from adventure.models.entity import World
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from adventure.models.event import ActionEvent, ReplyEvent, ResultEvent
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from adventure.utils.search import find_room_with_actor
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from adventure.utils.world import describe_entity, format_attributes
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logger = getLogger(__name__)
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def world_result_parser(value, agent, **kwargs):
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current_world = get_current_world()
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if not current_world:
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raise ValueError(
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"The current world must be set before calling world_result_parser"
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)
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logger.debug(f"parsing action for {agent.name}: {value}")
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current_actor = get_actor_for_agent(agent)
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current_room = next(
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(room for room in current_world.rooms if current_actor in room.actors), None
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)
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set_current_room(current_room)
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set_current_actor(current_actor)
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return multi_function_or_str_result(value, agent=agent, **kwargs)
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def simulate_world(
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world: World,
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steps: float | int = inf,
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actions: Sequence[Callable[..., str]] = [],
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systems: Sequence[GameSystem] = [],
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):
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logger.info("Simulating the world")
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set_current_world(world)
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set_game_systems(systems)
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# build a toolbox for the actions
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action_tools = Toolbox(
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[
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action_ask,
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action_give,
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action_look,
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action_move,
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action_take,
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action_tell,
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*actions,
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]
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)
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action_names = action_tools.list_tools()
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# simulate each actor
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for i in count():
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current_step = get_current_step()
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logger.info(f"simulating step {i} of {steps} (world step {current_step})")
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for actor_name in world.order:
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actor, agent = get_actor_agent_for_name(actor_name)
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if not agent or not actor:
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logger.error(f"Agent or actor not found for name {actor_name}")
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continue
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room = find_room_with_actor(world, actor)
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if not room:
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logger.error(f"Actor {actor_name} is not in a room")
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continue
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room_actors = [actor.name for actor in room.actors]
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room_items = [item.name for item in room.items]
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room_directions = [portal.name for portal in room.portals]
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actor_attributes = format_attributes(actor)
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actor_items = [item.name for item in actor.items]
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def result_parser(value, agent, **kwargs):
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if not room or not actor:
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raise ValueError(
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"Room and actor must be set before parsing results"
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)
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if could_be_json(value):
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event = ActionEvent.from_json(value, room, actor)
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else:
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event = ReplyEvent.from_text(value, room, actor)
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broadcast(event)
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return world_result_parser(value, agent, **kwargs)
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logger.info("starting turn for actor: %s", actor_name)
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result = loop_retry(
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agent,
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(
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"You are currently in {room_name}. {room_description}. {attributes}. "
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"The room contains the following characters: {visible_actors}. "
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"The room contains the following items: {visible_items}. "
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"Your inventory contains the following items: {actor_items}."
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"You can take the following actions: {actions}. "
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"You can move in the following directions: {directions}. "
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"What will you do next? Reply with a JSON function call, calling one of the actions."
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"You can only perform one action per turn. What is your next action?"
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),
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context={
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"actions": action_names,
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"actor_items": actor_items,
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"attributes": actor_attributes,
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"directions": room_directions,
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"room_name": room.name,
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"room_description": describe_entity(room),
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"visible_actors": room_actors,
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"visible_items": room_items,
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},
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result_parser=result_parser,
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toolbox=action_tools,
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)
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logger.debug(f"{actor.name} step result: {result}")
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if agent.memory:
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agent.memory.append(result)
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result_event = ResultEvent(result=result, room=room, actor=actor)
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broadcast(result_event)
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for system in systems:
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if system.simulate:
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system.simulate(world, current_step)
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set_current_step(current_step + 1)
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if i > steps:
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logger.info("reached step limit at world step %s", current_step + 1)
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break
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