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marl-factory-grid/marl_factory_grid/modules/coins/rules.py

60 lines
2.3 KiB
Python

from marl_factory_grid.modules.coins import constants as d
from marl_factory_grid.environment import constants as c
from marl_factory_grid.environment.rules import Rule
from marl_factory_grid.utils.helpers import is_move
from marl_factory_grid.utils.results import TickResult
from marl_factory_grid.utils.results import DoneResult
class DoneOnAllCoinsCollected(Rule):
def __init__(self, reward: float = d.REWARD_COLLECT_ALL):
"""
Defines a 'Done'-condition which triggers, when there is no more 'Dirt' in the environment.
:type reward: float
:parameter reward: Given reward when condition triggers.
"""
super().__init__()
self.reward = reward
def on_check_done(self, state) -> [DoneResult]:
if len(state[d.COIN]) == 0 and state.curr_step:
return [DoneResult(validity=c.VALID, identifier=self.name, reward=self.reward)]
return []
class RespawnCoins(Rule):
def __init__(self, respawn_freq: int = 15, respawn_n: int = 5, respawn_amount: float = 1.0):
"""
Defines the spawn pattern of initial and additional 'Dirt'-entities.
First chooses positions, then tries to spawn dirt until 'respawn_n' or the maximal global amount is reached.
If there is already some, it is topped up to min(max_local_amount, amount).
:type respawn_freq: int
:parameter respawn_freq: In which frequency should this Rule try to spawn new 'Dirt'?
:type respawn_n: int
:parameter respawn_n: How many respawn positions are considered.
:type respawn_amount: float
:parameter respawn_amount: Defines how much dirt 'amount' is placed every 'spawn_freq' ticks.
"""
super().__init__()
self.respawn_n = respawn_n
self.respawn_amount = respawn_amount
self.respawn_freq = respawn_freq
self._next_coin_spawn = respawn_freq
def tick_step(self, state):
collection = state[d.COIN]
if self._next_coin_spawn < 0:
result = [] # No CoinPile Spawn
elif not self._next_coin_spawn:
result = [collection.trigger_spawn(state, coords_or_quantity=self.respawn_n, amount=self.respawn_amount)]
self._next_coin_spawn = self.respawn_freq
else:
self._next_coin_spawn -= 1
result = []
return result