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play_externality_mushrooms.py
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play_externality_mushrooms.py
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# Copyright 2022 DeepMind Technologies Limited.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""A simple human player for testing `externality_mushrooms`.
Use `WASD` keys to move the character around.
Use `Q and E` to turn the character.
Use `SPACE` to fire the zapper.
Use `TAB` to switch between players.
"""
import argparse
import json
from meltingpot.configs.substrates import externality_mushrooms__dense
from meltingpot.human_players import level_playing_utils
from ml_collections import config_dict
environment_configs = {
'externality_mushrooms__dense': externality_mushrooms__dense,
}
_ACTION_MAP = {
'move': level_playing_utils.get_direction_pressed,
'turn': level_playing_utils.get_turn_pressed,
'fireZap': level_playing_utils.get_space_key_pressed,
}
def verbose_fn(env_timestep, player_index, current_player_index):
"""Print using this function once enabling the option --verbose=True."""
lua_index = player_index + 1
ate_hihe = env_timestep.observation[f'{lua_index}.ATE_MUSHROOM_HIHE']
ate_fize = env_timestep.observation[f'{lua_index}.ATE_MUSHROOM_FIZE']
ate_zife = env_timestep.observation[f'{lua_index}.ATE_MUSHROOM_ZIFE']
destroyed_hihe = env_timestep.observation[
f'{lua_index}.DESTROYED_MUSHROOM_HIHE']
destroyed_fize = env_timestep.observation[
f'{lua_index}.DESTROYED_MUSHROOM_FIZE']
destroyed_zife = env_timestep.observation[
f'{lua_index}.DESTROYED_MUSHROOM_ZIFE']
at_least_one_nonzero = (ate_hihe + ate_fize + ate_zife +
destroyed_hihe + destroyed_fize + destroyed_zife)
# Only print observations from player 0.
if player_index == current_player_index and at_least_one_nonzero > 0:
print(
f'player: {player_index} --- \n' +
f' ate_hihe: {ate_hihe} \n' +
f' ate_fize: {ate_fize} \n' +
f' ate_zife: {ate_zife} \n' +
f' destroyed_hihe: {destroyed_hihe} \n' +
f' destroyed_fize: {destroyed_fize} \n' +
f' destroyed_zife: {destroyed_zife} \n'
)
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
'--level_name', type=str, default='externality_mushrooms__dense',
choices=environment_configs.keys(),
help='Level name to load')
parser.add_argument(
'--observation', type=str, default='RGB', help='Observation to render')
parser.add_argument(
'--settings', type=json.loads, default={}, help='Settings as JSON string')
# Activate verbose mode with --verbose=True.
parser.add_argument(
'--verbose', type=bool, default=False, help='Print debug information')
# Activate events printing mode with --print_events=True.
parser.add_argument(
'--print_events', type=bool, default=False, help='Print events')
args = parser.parse_args()
env_module = environment_configs[args.level_name]
env_config = env_module.get_config()
with config_dict.ConfigDict(env_config).unlocked() as env_config:
roles = env_config.default_player_roles
env_config.lab2d_settings = env_module.build(roles, env_config)
level_playing_utils.run_episode(
args.observation, args.settings, _ACTION_MAP,
env_config, level_playing_utils.RenderType.PYGAME,
verbose_fn=verbose_fn if args.verbose else None,
print_events=args.print_events)
if __name__ == '__main__':
main()