dcs-retribution/gen/airsupportgen.py
Dan Albert 993bf50012 Handle callsigns for flights.
We don't configure the callsigns that pydcs uses, so instead read
those from pydcs and use them where appropriate instead of just
guessing.

Fixes https://github.com/Khopa/dcs_liberation/issues/113.
2020-09-11 01:47:13 -07:00

127 lines
4.9 KiB
Python

from dataclasses import dataclass, field
from .aircraft import callsign_for_support_unit
from .conflictgen import *
from .naming import *
from .radios import RadioFrequency, RadioRegistry
from .tacan import TacanBand, TacanChannel, TacanRegistry
TANKER_DISTANCE = 15000
TANKER_ALT = 4572
TANKER_HEADING_OFFSET = 45
AWACS_DISTANCE = 150000
AWACS_ALT = 13000
@dataclass
class AwacsInfo:
"""AWACS information for the kneeboard."""
callsign: str
freq: RadioFrequency
@dataclass
class TankerInfo:
"""Tanker information for the kneeboard."""
callsign: str
variant: str
freq: RadioFrequency
tacan: TacanChannel
@dataclass
class AirSupport:
awacs: List[AwacsInfo] = field(default_factory=list)
tankers: List[TankerInfo] = field(default_factory=list)
class AirSupportConflictGenerator:
def __init__(self, mission: Mission, conflict: Conflict, game,
radio_registry: RadioRegistry,
tacan_registry: TacanRegistry) -> None:
self.mission = mission
self.conflict = conflict
self.game = game
self.air_support = AirSupport()
self.radio_registry = radio_registry
self.tacan_registry = tacan_registry
@classmethod
def support_tasks(cls) -> typing.Collection[typing.Type[MainTask]]:
return [Refueling, AWACS]
def generate(self, is_awacs_enabled):
player_cp = self.conflict.from_cp if self.conflict.from_cp.captured else self.conflict.to_cp
fallback_tanker_number = 0
for i, tanker_unit_type in enumerate(db.find_unittype(Refueling, self.conflict.attackers_side)):
variant = db.unit_type_name(tanker_unit_type)
freq = self.radio_registry.alloc_uhf()
tacan = self.tacan_registry.alloc_for_band(TacanBand.Y)
tanker_heading = self.conflict.to_cp.position.heading_between_point(self.conflict.from_cp.position) + TANKER_HEADING_OFFSET * i
tanker_position = player_cp.position.point_from_heading(tanker_heading, TANKER_DISTANCE)
tanker_group = self.mission.refuel_flight(
country=self.mission.country(self.game.player_country),
name=namegen.next_tanker_name(self.mission.country(self.game.player_country)),
airport=None,
plane_type=tanker_unit_type,
position=tanker_position,
altitude=TANKER_ALT,
race_distance=58000,
frequency=freq.mhz,
start_type=StartType.Warm,
speed=574,
tacanchannel=str(tacan),
)
callsign = callsign_for_support_unit(tanker_group)
tacan_callsign = {
"Texaco": "TEX",
"Arco": "ARC",
"Shell": "SHL",
}.get(callsign)
if tacan_callsign is None:
# The dict above is all the callsigns currently in the game, but
# non-Western countries don't use the callsigns and instead just
# use numbers. It's possible that none of those nations have
# TACAN compatible refueling aircraft, but fallback just in
# case.
tacan_callsign = f"TK{fallback_tanker_number}"
fallback_tanker_number += 1
if tanker_unit_type != IL_78M:
# Override PyDCS tacan channel.
tanker_group.points[0].tasks.pop()
tanker_group.points[0].tasks.append(ActivateBeaconCommand(
tacan.number, tacan.band.value, tacan_callsign, True,
tanker_group.units[0].id, True))
tanker_group.points[0].tasks.append(SetInvisibleCommand(True))
tanker_group.points[0].tasks.append(SetImmortalCommand(True))
self.air_support.tankers.append(TankerInfo(callsign, variant, freq, tacan))
if is_awacs_enabled:
try:
freq = self.radio_registry.alloc_uhf()
awacs_unit = db.find_unittype(AWACS, self.conflict.attackers_side)[0]
awacs_flight = self.mission.awacs_flight(
country=self.mission.country(self.game.player_country),
name=namegen.next_awacs_name(self.mission.country(self.game.player_country)),
plane_type=awacs_unit,
altitude=AWACS_ALT,
airport=None,
position=self.conflict.position.random_point_within(AWACS_DISTANCE, AWACS_DISTANCE),
frequency=freq.mhz,
start_type=StartType.Warm,
)
awacs_flight.points[0].tasks.append(SetInvisibleCommand(True))
awacs_flight.points[0].tasks.append(SetImmortalCommand(True))
self.air_support.awacs.append(AwacsInfo(
callsign_for_support_unit(awacs_flight), freq))
except:
print("No AWACS for faction")