dcs-retribution/game/squadrons.py
Dan Albert 1521f0a9b1 Add on-leave toggle for pilots.
Pilots on leave will not be assignable to any flights (but will not be
unassigned from any already scheduled this turn).

https://github.com/dcs-liberation/dcs_liberation/issues/276
2021-05-27 17:09:09 -07:00

327 lines
11 KiB
Python

from __future__ import annotations
import itertools
import logging
import random
from collections import defaultdict
from dataclasses import dataclass, field
from enum import unique, Enum
from pathlib import Path
from typing import Type, Tuple, List, TYPE_CHECKING, Optional, Iterable, Iterator
import yaml
from dcs.unittype import FlyingType
from faker import Faker
from game.db import flying_type_from_name
from game.settings import AutoAtoBehavior
if TYPE_CHECKING:
from game import Game
from gen.flights.flight import FlightType
@dataclass
class PilotRecord:
missions_flown: int = field(default=0)
@unique
class PilotStatus(Enum):
Active = "Active"
OnLeave = "On leave"
Dead = "Dead"
@dataclass
class Pilot:
name: str
player: bool = field(default=False)
status: PilotStatus = field(default=PilotStatus.Active)
record: PilotRecord = field(default_factory=PilotRecord)
@property
def alive(self) -> bool:
return self.status is not PilotStatus.Dead
@property
def on_leave(self) -> bool:
return self.status is PilotStatus.OnLeave
def send_on_leave(self) -> None:
if self.status is not PilotStatus.Active:
raise RuntimeError("Only active pilots may be sent on leave")
self.status = PilotStatus.OnLeave
def return_from_leave(self) -> None:
if self.status is not PilotStatus.OnLeave:
raise RuntimeError("Only pilots on leave may be returned from leave")
self.status = PilotStatus.Active
def kill(self) -> None:
self.status = PilotStatus.Dead
@classmethod
def random(cls, faker: Faker) -> Pilot:
return Pilot(faker.name())
@dataclass
class Squadron:
name: str
nickname: str
country: str
role: str
aircraft: Type[FlyingType]
livery: Optional[str]
mission_types: Tuple[FlightType, ...]
pilots: List[Pilot]
available_pilots: List[Pilot] = field(init=False, hash=False, compare=False)
# We need a reference to the Game so that we can access the Faker without needing to
# persist it to the save game, or having to reconstruct it (it's not cheap) each
# time we create or load a squadron.
game: Game = field(hash=False, compare=False)
player: bool
def __post_init__(self) -> None:
self.available_pilots = list(self.active_pilots)
def __str__(self) -> str:
return f'{self.name} "{self.nickname}"'
def claim_available_pilot(self) -> Optional[Pilot]:
# No pilots available, so the preference is irrelevant. Create a new pilot and
# return it.
if not self.available_pilots:
self.enlist_new_pilots(1)
return self.available_pilots.pop()
# For opfor, so player/AI option is irrelevant.
if not self.player:
return self.available_pilots.pop()
preference = self.game.settings.auto_ato_behavior
# No preference, so the first pilot is fine.
if preference is AutoAtoBehavior.Default:
return self.available_pilots.pop()
prefer_players = preference is AutoAtoBehavior.Prefer
for pilot in self.available_pilots:
if pilot.player == prefer_players:
self.available_pilots.remove(pilot)
return pilot
# No pilot was found that matched the user's preference.
#
# If they chose to *never* assign players and only players remain in the pool,
# we cannot fill the slot with the available pilots. Recruit a new one.
#
# If they prefer players and we're out of players, just return an AI pilot.
if not prefer_players:
self.enlist_new_pilots(1)
return self.available_pilots.pop()
def claim_pilot(self, pilot: Pilot) -> None:
if pilot not in self.available_pilots:
raise ValueError(
f"Cannot assign {pilot} to {self} because they are not available"
)
self.available_pilots.remove(pilot)
def return_pilot(self, pilot: Pilot) -> None:
self.available_pilots.append(pilot)
def return_pilots(self, pilots: Iterable[Pilot]) -> None:
self.available_pilots.extend(pilots)
def enlist_new_pilots(self, count: int) -> None:
new_pilots = [Pilot(self.faker.name()) for _ in range(count)]
self.pilots.extend(new_pilots)
self.available_pilots.extend(new_pilots)
def return_all_pilots(self) -> None:
self.available_pilots = list(self.active_pilots)
@property
def faker(self) -> Faker:
return self.game.faker_for(self.player)
def _pilots_with_status(self, status: PilotStatus) -> list[Pilot]:
return [p for p in self.pilots if p.status == status]
@property
def active_pilots(self) -> list[Pilot]:
return self._pilots_with_status(PilotStatus.Active)
@property
def pilots_on_leave(self) -> list[Pilot]:
return self._pilots_with_status(PilotStatus.OnLeave)
@property
def size(self) -> int:
return len(self.active_pilots) + len(self.pilots_on_leave)
def pilot_at_index(self, index: int) -> Pilot:
return self.pilots[index]
@classmethod
def from_yaml(cls, path: Path, game: Game, player: bool) -> Squadron:
from gen.flights.flight import FlightType
with path.open() as squadron_file:
data = yaml.safe_load(squadron_file)
unit_type = flying_type_from_name(data["aircraft"])
if unit_type is None:
raise KeyError(f"Could not find any aircraft with the ID {unit_type}")
pilots = [Pilot(n, player=False) for n in data.get("pilots", [])]
pilots.extend([Pilot(n, player=True) for n in data.get("players", [])])
return Squadron(
name=data["name"],
nickname=data["nickname"],
country=data["country"],
role=data["role"],
aircraft=unit_type,
livery=data.get("livery"),
mission_types=tuple(FlightType.from_name(n) for n in data["mission_types"]),
pilots=pilots,
game=game,
player=player,
)
class SquadronLoader:
def __init__(self, game: Game, player: bool) -> None:
self.game = game
self.player = player
@staticmethod
def squadron_directories() -> Iterator[Path]:
from game import persistency
yield Path(persistency.base_path()) / "Liberation/Squadrons"
yield Path("resources/squadrons")
def load(self) -> dict[Type[FlyingType], list[Squadron]]:
squadrons: dict[Type[FlyingType], list[Squadron]] = defaultdict(list)
country = self.game.country_for(self.player)
faction = self.game.faction_for(self.player)
any_country = country.startswith("Combined Joint Task Forces ")
for directory in self.squadron_directories():
for path, squadron in self.load_squadrons_from(directory):
if not any_country and squadron.country != country:
logging.debug(
"Not using squadron for non-matching country (is "
f"{squadron.country}, need {country}: {path}"
)
continue
if squadron.aircraft not in faction.aircrafts:
logging.debug(
f"Not using squadron because {faction.name} cannot use "
f"{squadron.aircraft}: {path}"
)
continue
logging.debug(
f"Found {squadron.name} {squadron.aircraft} {squadron.role} "
f"compatible with {faction.name}"
)
squadrons[squadron.aircraft].append(squadron)
# Convert away from defaultdict because defaultdict doesn't unpickle so we don't
# want it in the save state.
return dict(squadrons)
def load_squadrons_from(self, directory: Path) -> Iterator[Tuple[Path, Squadron]]:
logging.debug(f"Looking for factions in {directory}")
# First directory level is the aircraft type so that historical squadrons that
# have flown multiple airframes can be defined as many times as needed. The main
# load() method is responsible for filtering out squadrons that aren't
# compatible with the faction.
for squadron_path in directory.glob("*/*.yaml"):
try:
yield squadron_path, Squadron.from_yaml(
squadron_path, self.game, self.player
)
except Exception as ex:
raise RuntimeError(
f"Failed to load squadron defined by {squadron_path}"
) from ex
class AirWing:
def __init__(self, game: Game, player: bool) -> None:
from gen.flights.flight import FlightType
self.game = game
self.player = player
self.squadrons = SquadronLoader(game, player).load()
count = itertools.count(1)
for aircraft in game.faction_for(player).aircrafts:
if aircraft in self.squadrons:
continue
self.squadrons[aircraft] = [
Squadron(
name=f"Squadron {next(count):03}",
nickname=self.random_nickname(),
country=game.country_for(player),
role="Flying Squadron",
aircraft=aircraft,
livery=None,
mission_types=tuple(FlightType),
pilots=[],
game=game,
player=player,
)
]
def squadron_for(self, aircraft: Type[FlyingType]) -> Squadron:
return self.squadrons[aircraft][0]
def iter_squadrons(self) -> Iterator[Squadron]:
return itertools.chain.from_iterable(self.squadrons.values())
def squadron_at_index(self, index: int) -> Squadron:
return list(self.iter_squadrons())[index]
def reset(self) -> None:
for squadron in self.iter_squadrons():
squadron.return_all_pilots()
@property
def size(self) -> int:
return sum(len(s) for s in self.squadrons.values())
@staticmethod
def _make_random_nickname() -> str:
from gen.naming import ANIMALS
animal = random.choice(ANIMALS)
adjective = random.choice(
(
None,
"Red",
"Blue",
"Green",
"Golden",
"Black",
"Fighting",
"Flying",
)
)
if adjective is None:
return animal.title()
return f"{adjective} {animal}".title()
def random_nickname(self) -> str:
while True:
nickname = self._make_random_nickname()
for squadron in self.iter_squadrons():
if squadron.nickname == nickname:
break
else:
return nickname