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https://github.com/dcs-liberation/dcs_liberation.git
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307 lines
11 KiB
Python
307 lines
11 KiB
Python
"""Generates kneeboard pages relevant to the player's mission.
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The player kneeboard includes the following information:
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* Airfield (departure, arrival, divert) info.
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* Flight plan (waypoint numbers, names, altitudes).
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* Comm channels.
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* AWACS info.
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* Tanker info.
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* JTAC info.
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Things we should add:
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* Flight plan ToT and fuel ladder (current have neither available).
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* Support for planning an arrival/divert airfield separate from departure.
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* Mission package infrastructure to include information about the larger
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mission, i.e. information about the escort flight for a strike package.
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* Target information. Steerpoints, preplanned objectives, ToT, etc.
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For multiplayer missions, a kneeboard will be generated per flight.
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https://forums.eagle.ru/showthread.php?t=206360 claims that kneeboard pages can
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only be added per airframe, so PvP missions where each side have the same
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aircraft will be able to see the enemy's kneeboard for the same airframe.
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"""
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from collections import defaultdict
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from dataclasses import dataclass
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from pathlib import Path
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from typing import Dict, List, Optional, Tuple
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from PIL import Image, ImageDraw, ImageFont
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from tabulate import tabulate
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from pydcs.dcs.mission import Mission
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from pydcs.dcs.terrain.terrain import Airport
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from pydcs.dcs.unittype import FlyingType
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from . import units
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from .aircraft import FlightData
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from .airfields import AIRFIELD_DATA
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from .airsupportgen import AwacsInfo, TankerInfo
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from .radios import RadioFrequency
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class KneeboardPageWriter:
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"""Creates kneeboard images."""
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def __init__(self, page_margin: int = 24, line_spacing: int = 12) -> None:
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self.image = Image.new('RGB', (768, 1024), (0xff, 0xff, 0xff))
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# These font sizes create a relatively full page for current sorties. If
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# we start generating more complicated flight plans, or start including
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# more information in the comm ladder (the latter of which we should
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# probably do), we'll need to split some of this information off into a
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# second page.
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self.title_font = ImageFont.truetype("arial.ttf", 32)
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self.heading_font = ImageFont.truetype("arial.ttf", 24)
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self.content_font = ImageFont.truetype("arial.ttf", 20)
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self.table_font = ImageFont.truetype(
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"resources/fonts/Inconsolata.otf", 20)
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self.draw = ImageDraw.Draw(self.image)
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self.x = page_margin
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self.y = page_margin
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self.line_spacing = line_spacing
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@property
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def position(self) -> Tuple[int, int]:
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return self.x, self.y
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def text(self, text: str, font=None,
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fill: Tuple[int, int, int] = (0, 0, 0)) -> None:
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if font is None:
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font = self.content_font
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self.draw.text(self.position, text, font=font, fill=fill)
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width, height = self.draw.textsize(text, font=font)
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self.y += height + self.line_spacing
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def title(self, title: str) -> None:
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self.text(title, font=self.title_font)
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def heading(self, text: str) -> None:
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self.text(text, font=self.heading_font)
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def table(self, cells: List[List[str]],
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headers: Optional[List[str]] = None) -> None:
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table = tabulate(cells, headers=headers, numalign="right")
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self.text(table, font=self.table_font)
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def write(self, path: Path) -> None:
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self.image.save(path)
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class KneeboardPage:
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"""Base class for all kneeboard pages."""
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def write(self, path: Path) -> None:
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"""Writes the kneeboard page to the given path."""
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raise NotImplementedError
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@dataclass
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class CommInfo:
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"""Communications information for the kneeboard."""
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name: str
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freq: RadioFrequency
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@dataclass
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class JtacInfo:
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"""JTAC information for the kneeboard."""
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callsign: str
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region: str
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code: str
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class BriefingPage(KneeboardPage):
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"""A kneeboard page containing briefing information."""
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def __init__(self, flight: FlightData, comms: List[CommInfo],
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awacs: List[AwacsInfo], tankers: List[TankerInfo],
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jtacs: List[JtacInfo]) -> None:
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self.flight = flight
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self.comms = list(comms)
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self.awacs = awacs
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self.tankers = tankers
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self.jtacs = jtacs
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self.comms.append(CommInfo("Flight", self.flight.intra_flight_channel))
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def write(self, path: Path) -> None:
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writer = KneeboardPageWriter()
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# TODO: Assign callsigns to flights and include that info.
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# https://github.com/Khopa/dcs_liberation/issues/113
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writer.title(f"Mission Info")
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# TODO: Handle carriers.
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writer.heading("Airfield Info")
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writer.table([
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self.airfield_info_row("Departure", self.flight.departure),
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self.airfield_info_row("Arrival", self.flight.arrival),
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self.airfield_info_row("Divert", self.flight.divert),
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], headers=["", "Airbase", "ATC", "TCN", "ILS", "RWY"])
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writer.heading("Flight Plan")
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flight_plan = []
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for num, waypoint in enumerate(self.flight.waypoints):
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alt = int(units.meters_to_feet(waypoint.alt))
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flight_plan.append([num, waypoint.pretty_name, str(alt)])
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writer.table(flight_plan, headers=["STPT", "Action", "Alt"])
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writer.heading("Comm Ladder")
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comms = []
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for comm in self.comms:
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comms.append([comm.name, self.format_frequency(comm.freq)])
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writer.table(comms, headers=["Name", "UHF"])
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writer.heading("AWACS")
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awacs = []
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for a in self.awacs:
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awacs.append([a.callsign, self.format_frequency(a.freq)])
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writer.table(awacs, headers=["Callsign", "UHF"])
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writer.heading("Tankers")
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tankers = []
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for tanker in self.tankers:
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tankers.append([
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tanker.callsign,
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tanker.variant,
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tanker.tacan,
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self.format_frequency(tanker.freq),
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])
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writer.table(tankers, headers=["Callsign", "Type", "TACAN", "UHF"])
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writer.heading("JTAC")
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jtacs = []
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for jtac in self.jtacs:
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jtacs.append([jtac.callsign, jtac.region, jtac.code])
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writer.table(jtacs, headers=["Callsign", "Region", "Laser Code"])
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writer.write(path)
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def airfield_info_row(self, row_title: str,
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airfield: Optional[Airport]) -> List[str]:
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"""Creates a table row for a given airfield.
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Args:
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row_title: Purpose of the airfield. e.g. "Departure", "Arrival" or
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"Divert".
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airfield: The airfield described by this row.
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Returns:
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A list of strings to be used as a row of the airfield table.
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"""
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if airfield is None:
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return [row_title, "", "", "", "", ""]
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# TODO: Implement logic for picking preferred runway.
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runway = airfield.runways[0]
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runway_side = ["", "L", "R"][runway.leftright]
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runway_text = f"{runway.heading}{runway_side}"
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try:
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extra_data = AIRFIELD_DATA[airfield.name]
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atc = self.format_frequency(extra_data.atc.uhf)
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tacan = extra_data.tacan or ""
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ils = extra_data.ils_freq(runway) or ""
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except KeyError:
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atc = ""
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ils = ""
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tacan = ""
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return [
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row_title,
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airfield.name,
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atc,
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tacan,
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ils,
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runway_text,
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]
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def format_frequency(self, frequency: RadioFrequency) -> str:
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channel = self.flight.channel_for(frequency)
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if channel is None:
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return str(frequency)
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return f"{channel.radio_name} Ch {channel.channel}"
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class KneeboardGenerator:
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"""Creates kneeboard pages for each client flight in the mission."""
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def __init__(self, mission: Mission) -> None:
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self.mission = mission
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self.comms: List[CommInfo] = []
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self.awacs: List[AwacsInfo] = []
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self.tankers: List[TankerInfo] = []
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self.jtacs: List[JtacInfo] = []
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def add_comm(self, name: str, freq: RadioFrequency) -> None:
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"""Adds communications info to the kneeboard.
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Args:
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name: Name of the radio channel.
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freq: Frequency of the radio channel.
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"""
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self.comms.append(CommInfo(name, freq))
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def add_awacs(self, awacs: AwacsInfo) -> None:
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"""Adds an AWACS/GCI to the kneeboard.
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Args:
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awacs: AWACS information.
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"""
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self.awacs.append(awacs)
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def add_tanker(self, tanker: TankerInfo) -> None:
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"""Adds a tanker to the kneeboard.
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Args:
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tanker: Tanker information.
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"""
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self.tankers.append(tanker)
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def add_jtac(self, callsign: str, region: str, code: str) -> None:
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"""Adds a JTAC to the kneeboard.
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Args:
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callsign: Callsign of the JTAC.
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region: JTAC's area of responsibility.
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code: Laser code used by the JTAC.
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"""
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# TODO: Radio info? Type?
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self.jtacs.append(JtacInfo(callsign, region, code))
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def generate(self, flights: List[FlightData]) -> None:
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"""Generates a kneeboard per client flight."""
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temp_dir = Path("kneeboards")
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temp_dir.mkdir(exist_ok=True)
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for aircraft, pages in self.pages_by_airframe(flights).items():
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aircraft_dir = temp_dir / aircraft.id
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aircraft_dir.mkdir(exist_ok=True)
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for idx, page in enumerate(pages):
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page_path = aircraft_dir / f"page{idx:02}.png"
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page.write(page_path)
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self.mission.add_aircraft_kneeboard(aircraft, page_path)
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def pages_by_airframe(self, flights: List[FlightData]) -> Dict[FlyingType, List[KneeboardPage]]:
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"""Returns a list of kneeboard pages per airframe in the mission.
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Only client flights will be included, but because DCS does not support
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group-specific kneeboard pages, flights (possibly from opposing sides)
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will be able to see the kneeboards of all aircraft of the same type.
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Returns:
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A dict mapping aircraft types to the list of kneeboard pages for
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that aircraft.
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"""
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all_flights: Dict[FlyingType, List[KneeboardPage]] = defaultdict(list)
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for flight in flights:
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if not flight.client_units:
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continue
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all_flights[flight.aircraft_type].extend(
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self.generate_flight_kneeboard(flight))
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return all_flights
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def generate_flight_kneeboard(self, flight: FlightData) -> List[KneeboardPage]:
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"""Returns a list of kneeboard pages for the given flight."""
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return [
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BriefingPage(
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flight, self.comms, self.awacs, self.tankers, self.jtacs
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),
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]
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