dcs_liberation/game/event/navalintercept.py
2019-10-05 02:01:12 +02:00

131 lines
4.4 KiB
Python

from game.operation.navalintercept import NavalInterceptionOperation
from .event import *
class NavalInterceptEvent(Event):
STRENGTH_INFLUENCE = 0.3
SUCCESS_RATE = 0.5
targets = None # type: db.ShipDict
def __init__(self, game, from_cp: ControlPoint, target_cp: ControlPoint, location: Point, attacker_name: str,
defender_name: str):
super().__init__(game, from_cp, target_cp, location, attacker_name, defender_name)
self.location = Conflict.naval_intercept_position(from_cp, target_cp, game.theater)
def _targets_count(self) -> int:
from gen.conflictgen import IMPORTANCE_LOW
factor = (self.to_cp.importance - IMPORTANCE_LOW + 0.1) * 20
return max(int(factor), 1)
def __str__(self) -> str:
return "Naval intercept"
@property
def tasks(self):
if self.is_player_attacking:
return [CAS]
else:
return [CAP]
def flight_name(self, for_task: typing.Type[Task]) -> str:
if for_task == CAS:
return "Naval intercept flight"
elif for_task == CAP:
return "CAP flight"
@property
def threat_description(self):
s = "{} ship(s)".format(self._targets_count())
if not self.departure_cp.captured:
s += ", {} aircraft".format(self.departure_cp.base.scramble_count(self.game.settings.multiplier))
return s
@property
def global_cp_available(self) -> bool:
return True
def is_successfull(self, debriefing: Debriefing):
if self.game.player_name == self.attacker_name:
defender_country = self.game.enemy_country
else:
defender_country = self.game.player_country
total_targets = sum(self.targets.values())
destroyed_targets = 0
for unit, count in debriefing.destroyed_units.get(defender_country, {}).items():
if unit in self.targets:
destroyed_targets += count
if self.departure_cp.captured:
return math.ceil(float(destroyed_targets) / total_targets) > self.SUCCESS_RATE
else:
return math.ceil(float(destroyed_targets) / total_targets) < self.SUCCESS_RATE
def commit(self, debriefing: Debriefing):
super(NavalInterceptEvent, self).commit(debriefing)
if self.attacker_name == self.game.player_name:
if self.is_successfull(debriefing):
self.to_cp.base.affect_strength(-self.STRENGTH_INFLUENCE)
else:
self.departure_cp.base.affect_strength(-self.STRENGTH_INFLUENCE)
else:
# enemy attacking
if self.is_successfull(debriefing):
self.departure_cp.base.affect_strength(-self.STRENGTH_INFLUENCE)
else:
self.to_cp.base.affect_strength(-self.STRENGTH_INFLUENCE)
def skip(self):
if self.to_cp.captured:
self.to_cp.base.affect_strength(-self.STRENGTH_INFLUENCE)
def player_attacking(self, flights: db.TaskForceDict):
assert CAS in flights and len(flights) == 1, "Invalid flights"
self.targets = {
random.choice(db.find_unittype(CargoTransportation, self.defender_name)): self._targets_count(),
}
op = NavalInterceptionOperation(
self.game,
attacker_name=self.attacker_name,
defender_name=self.defender_name,
from_cp=self.from_cp,
departure_cp=self.departure_cp,
to_cp=self.to_cp
)
op.setup(location=self.location,
strikegroup=flights[CAS],
interceptors={},
targets=self.targets)
self.operation = op
def player_defending(self, flights: db.TaskForceDict):
assert CAP in flights and len(flights) == 1, "Invalid flights"
self.targets = {
random.choice(db.find_unittype(CargoTransportation, self.defender_name)): self._targets_count(),
}
op = NavalInterceptionOperation(
self.game,
attacker_name=self.attacker_name,
defender_name=self.defender_name,
from_cp=self.from_cp,
departure_cp=self.departure_cp,
to_cp=self.to_cp
)
strikegroup = self.departure_cp.base.scramble_cas(self.game.settings.multiplier)
op.setup(strikegroup=assigned_units_from(strikegroup),
interceptors=flights[CAP],
targets=self.targets)
self.operation = op