marl-factory-grid/reload_agent.py
2021-11-16 12:14:11 +01:00

69 lines
2.7 KiB
Python

import warnings
from pathlib import Path
import numpy as np
import yaml
from environments import helpers as h
from environments.helpers import Constants as c
from environments.factory.factory_dirt import DirtFactory
from environments.factory.combined_factories import DirtItemFactory
from environments.logging.recorder import RecorderCallback
warnings.filterwarnings('ignore', category=FutureWarning)
warnings.filterwarnings('ignore', category=UserWarning)
if __name__ == '__main__':
model_name = 'A2C_ItsDirt'
run_id = 0
determin = True
seed = 67
n_agents = 1
out_path = Path('study_out/e_1_Now_with_doors/no_obs/dirt/A2C_Now_with_doors/0_A2C_Now_with_doors')
model_path = out_path
with (out_path / f'env_params.json').open('r') as f:
env_kwargs = yaml.load(f, Loader=yaml.FullLoader)
env_kwargs.update(additional_agent_placeholder=None, n_agents=n_agents, max_steps=150)
if gain_amount := env_kwargs.get('dirt_prop', {}).get('gain_amount', None):
env_kwargs['dirt_prop']['max_spawn_amount'] = gain_amount
del env_kwargs['dirt_prop']['gain_amount']
env_kwargs.update(record_episodes=False)
this_model = out_path / 'model.zip'
model_cls = next(val for key, val in h.MODEL_MAP.items() if key in model_name)
models = [model_cls.load(this_model) for _ in range(n_agents)]
with RecorderCallback(filepath=Path() / 'recorder_out_DQN.json') as recorder:
# Init Env
with DirtFactory(**env_kwargs) as env:
obs_shape = env.observation_space.shape
# Evaluation Loop for i in range(n Episodes)
for episode in range(5):
env_state = env.reset()
rew, done_bool = 0, False
while not done_bool:
if n_agents > 1:
actions = [model.predict(
np.stack([env_state[i][j] for i in range(env_state.shape[0])]),
deterministic=determin)[0] for j, model in enumerate(models)]
else:
actions = models[0].predict(env_state, deterministic=determin)[0]
if any([agent.pos in [door.pos for door in env.unwrapped[c.DOORS]]
for agent in env.unwrapped[c.AGENT]]):
print('On Door')
env_state, step_r, done_bool, info_obj = env.step(actions)
recorder.read_info(0, info_obj)
rew += step_r
env.render()
if done_bool:
recorder.read_done(0, done_bool)
break
print(f'Factory run {episode} done, reward is:\n {rew}')
print('all done')