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90 lines
2.9 KiB
Python
90 lines
2.9 KiB
Python
import math
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import random
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from dcs.task import *
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from game import *
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from game.event import *
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from game.event.frontlineattack import FrontlineAttackEvent
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from .event import *
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from game.operation.convoystrike import ConvoyStrikeOperation
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TRANSPORT_COUNT = 4, 6
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DEFENDERS_AMOUNT_FACTOR = 4
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class ConvoyStrikeEvent(Event):
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SUCCESS_FACTOR = 0.6
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STRENGTH_INFLUENCE = 0.25
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targets = None # type: db.ArmorDict
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@property
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def threat_description(self):
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return ""
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@property
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def tasks(self):
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return [CAS]
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@property
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def global_cp_available(self) -> bool:
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return True
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def flight_name(self, for_task: typing.Type[Task]) -> str:
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if for_task == CAS:
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return "Strike flight"
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def __str__(self):
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return "Convoy Strike"
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def skip(self):
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self.to_cp.base.affect_strength(-self.STRENGTH_INFLUENCE)
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def commit(self, debriefing: Debriefing):
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super(ConvoyStrikeEvent, self).commit(debriefing)
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if self.from_cp.captured:
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if self.is_successfull(debriefing):
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self.to_cp.base.affect_strength(-self.STRENGTH_INFLUENCE)
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else:
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if self.is_successfull(debriefing):
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self.from_cp.base.affect_strength(-self.STRENGTH_INFLUENCE)
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def is_successfull(self, debriefing: Debriefing):
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if self.game.player_name == self.attacker_name:
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defender_country = self.game.enemy_country
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else:
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defender_country = self.game.player_country
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killed_units = sum([v for k, v in debriefing.destroyed_units.get(defender_country, {}).items() if db.unit_task(k) in [PinpointStrike, Reconnaissance]])
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all_units = sum(self.targets.values())
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attackers_success = (float(killed_units) / (all_units + 0.01)) > self.SUCCESS_FACTOR
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if self.from_cp.captured:
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return attackers_success
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else:
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return not attackers_success
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def player_attacking(self, flights: db.TaskForceDict):
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assert CAS in flights and len(flights) == 1, "Invalid flights"
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convoy_unittype = db.find_unittype(Reconnaissance, self.defender_name)[0]
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defense_unittype = db.find_unittype(PinpointStrike, self.defender_name)[0]
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defenders_count = int(math.ceil(self.from_cp.base.strength * self.from_cp.importance * DEFENDERS_AMOUNT_FACTOR))
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self.targets = {convoy_unittype: random.randrange(*TRANSPORT_COUNT),
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defense_unittype: defenders_count, }
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op = ConvoyStrikeOperation(game=self.game,
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attacker_name=self.attacker_name,
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defender_name=self.defender_name,
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from_cp=self.from_cp,
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departure_cp=self.departure_cp,
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to_cp=self.to_cp)
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op.setup(target=self.targets,
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strikegroup=flights[CAS])
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self.operation = op
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