118 lines
2.9 KiB
Python
118 lines
2.9 KiB
Python
from nullptr.store import Store
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from nullptr.models.ship import Ship
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from nullptr.missions import create_mission, get_mission_class
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from random import choice
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from time import sleep
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from threading import Thread
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class CentralCommandError(Exception):
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pass
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class CentralCommand:
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def __init__(self, store, api):
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self.missions = {}
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self.stopping = False
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self.store = store
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self.api = api
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self.update_missions()
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def get_ready_missions(self):
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result = []
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for ship, mission in self.missions.items():
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if mission.is_ready():
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result.append(ship)
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return result
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def tick(self):
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missions = self.get_ready_missions()
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if len(missions) == 0: return False
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ship = choice(missions)
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mission = self.missions[ship]
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mission.step()
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return True
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def run_interactive(self):
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print('auto mode. hit enter to stop')
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t = Thread(target=self.wait_for_stop)
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t.daemon = True
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t.start()
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self.run()
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print('manual mode')
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def wait_for_stop(self):
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try:
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input()
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except EOFError:
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pass
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self.stopping = True
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print('stopping...')
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def run(self):
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self.update_missions()
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while not self.stopping:
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did_step = True
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request_counter = self.api.requests_sent
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while request_counter == self.api.requests_sent and did_step:
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did_step = self.tick()
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self.store.flush()
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sleep(0.5)
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self.stopping = False
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def stop(self):
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self.stopping = True
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def set_mission_param(self, ship, nm, val):
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if ship not in self.missions:
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print('set a mission for this ship first')
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return
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mission = self.missions[ship]
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params = mission.params()
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if not nm in params:
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print(f'{nm} is not a valid param')
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return
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param = params[nm]
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try:
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parsed_val = param.parse(val, self.store)
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except ValueError as e:
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raise MissionError(e)
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return
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ship.set_mission_state(nm, parsed_val)
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def update_missions(self):
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for s in self.store.all(Ship):
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if s.mission is None:
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if s in self.missions:
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self.stop_mission(s)
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elif s not in self.missions:
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self.start_mission(s)
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if s in self.missions:
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m = self.missions[s]
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m.next_step = max(s.cooldown, s.arrival)
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def init_mission(self, s, mtyp):
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if mtyp == 'none':
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s.mission_state = {}
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s.mission_status = None
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s.mission = None
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return
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try:
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mclass = get_mission_class(mtyp)
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except ValueError:
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raise CentralCommandError('no such mission')
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s.mission = mtyp
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s.mission_status = 'init'
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s.mission_state = {k: v.default for k,v in mclass.params().items()}
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self.start_mission(s)
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def start_mission(self, s):
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mtype = s.mission
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m = create_mission(mtype, s, self.store, self.api)
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self.missions[s] = m
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return m
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def stop_mission(self, s):
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if s in self.missions:
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del self.missions[s]
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