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https://github.com/dcs-liberation/dcs_liberation.git
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77 lines
3.1 KiB
Python
77 lines
3.1 KiB
Python
from __future__ import annotations
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import logging
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import random
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from collections import defaultdict
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from datetime import timedelta
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from typing import Iterator, Dict, TYPE_CHECKING
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from game.theater import MissionTarget
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from game.ato.flighttype import FlightType
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from game.ato.traveltime import TotEstimator
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if TYPE_CHECKING:
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from game.coalition import Coalition
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class MissionScheduler:
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def __init__(self, coalition: Coalition, desired_mission_length: timedelta) -> None:
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self.coalition = coalition
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self.desired_mission_length = desired_mission_length
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def schedule_missions(self) -> None:
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"""Identifies and plans mission for the turn."""
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def start_time_generator(
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count: int, earliest: int, latest: int, margin: int
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) -> Iterator[timedelta]:
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interval = (latest - earliest) // count
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for time in range(earliest, latest, interval):
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error = random.randint(-margin, margin)
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yield timedelta(seconds=max(0, time + error))
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dca_types = {
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FlightType.BARCAP,
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FlightType.TARCAP,
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}
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previous_cap_end_time: Dict[MissionTarget, timedelta] = defaultdict(timedelta)
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non_dca_packages = [
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p for p in self.coalition.ato.packages if p.primary_task not in dca_types
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]
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start_time = start_time_generator(
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count=len(non_dca_packages),
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earliest=5 * 60,
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latest=int(self.desired_mission_length.total_seconds()),
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margin=5 * 60,
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)
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for package in self.coalition.ato.packages:
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tot = TotEstimator(package).earliest_tot()
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if package.primary_task in dca_types:
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previous_end_time = previous_cap_end_time[package.target]
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if tot > previous_end_time:
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# Can't get there exactly on time, so get there ASAP. This
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# will typically only happen for the first CAP at each
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# target.
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package.time_over_target = tot
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else:
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package.time_over_target = previous_end_time
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departure_time = package.mission_departure_time
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# Should be impossible for CAPs
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if departure_time is None:
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logging.error(f"Could not determine mission end time for {package}")
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continue
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previous_cap_end_time[package.target] = departure_time
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elif package.auto_asap:
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package.set_tot_asap()
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else:
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# But other packages should be spread out a bit. Note that take
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# times are delayed, but all aircraft will become active at
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# mission start. This makes it more worthwhile to attack enemy
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# airfields to hit grounded aircraft, since they're more likely
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# to be present. Runway and air started aircraft will be
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# delayed until their takeoff time by AirConflictGenerator.
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package.time_over_target = next(start_time) + tot
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