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284f0a1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | # Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
"""Map Environment Client."""
from typing import Dict
from openenv.core import EnvClient
from openenv.core.client_types import StepResult
from openenv.core.env_server.types import State
from .models import MapAction, MapObservation
class MapEnv(EnvClient[MapAction, MapObservation]):
"""
Client for the Map Environment.
Grid navigation with fog of war. Navigate to goal efficiently.
"""
def _step_payload(self, action: MapAction) -> Dict:
"""Convert MapAction to JSON payload for step message."""
return {
"direction": action.direction,
}
def _parse_result(self, payload: Dict) -> StepResult[MapObservation]:
"""Parse server response into StepResult[MapObservation]."""
obs_data = payload.get("observation", {})
observation = MapObservation(
visible_cells=obs_data.get("visible_cells", []),
position=obs_data.get("position", {}),
moves=obs_data.get("moves", 0),
max_moves=obs_data.get("max_moves", 50),
grid_size=obs_data.get("grid_size", 8),
reached_goal=obs_data.get("reached_goal", False),
done=payload.get("done", False),
reward=payload.get("reward"),
metadata=obs_data.get("metadata", {}),
)
return StepResult(
observation=observation,
reward=payload.get("reward"),
done=payload.get("done", False),
)
def _parse_state(self, payload: Dict) -> State:
"""Parse server response into State object."""
return State(
episode_id=payload.get("episode_id"),
step_count=payload.get("step_count", 0),
)
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