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https://github.com/dcs-liberation/dcs_liberation.git
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e7e82dcd0b
This includes most of the briefing information in the kneeboard: * Airfield info * Waypoint info * Comm info * AWACS * Tankers * JTAC There's more that could be done: * Restrict tankers to the type compatible with the current aircraft * Support for carriers * Merge all relevant comm info (tankers, AWACS, JTAC, other flights) into the comm ladder This gives us a good start and a framework to build on. Very likely that we'll want to split part of this (probably the comm ladder) off onto a separate page once we start adding more to this, since it's a pretty full page currently. Also missing is any checking that the contents do not go beyond the bounds of the page. We could add this if needed. For now the page has enough room for about a dozen waypoints, which is quite a bit more than most missions need.
328 lines
11 KiB
Python
328 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 .airfields import AIRFIELD_DATA
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from .flights.flight import Flight
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from . import units
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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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class AirfieldInfo:
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def __init__(self, airfield: Airport) -> None:
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self.airport = airfield
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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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self.runway = f"{runway.heading}{runway_side}"
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try:
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extra_data = AIRFIELD_DATA[airfield.name]
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self.atc = extra_data.atc.uhf or ""
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self.tacan = extra_data.tacan or ""
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self.ils = extra_data.ils_freq(self.runway) or ""
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except KeyError:
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self.atc = ""
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self.ils = ""
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self.tacan = ""
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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: str
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@dataclass
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class AwacsInfo:
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"""AWACS information for the kneeboard."""
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callsign: str
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freq: str
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@dataclass
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class TankerInfo:
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"""Tanker information for the kneeboard."""
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callsign: str
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variant: str
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freq: str
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tacan: str
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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: Flight, 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 = 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.departure = flight.from_cp.airport
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self.arrival = flight.from_cp.airport
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self.divert: Optional[Airport] = None
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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.departure),
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self.airfield_info_row("Arrival", self.arrival),
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self.airfield_info_row("Divert", self.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.points):
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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, 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, 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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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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info = AirfieldInfo(airfield)
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return [
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row_title,
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airfield.name,
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info.atc,
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info.tacan,
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info.ils,
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info.runway,
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]
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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, game) -> None:
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self.mission = mission
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self.game = game
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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: str) -> 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, callsign: str, freq: str) -> None:
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"""Adds an AWACS/GCI to the kneeboard.
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Args:
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callsign: Callsign of the AWACS/GCI.
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freq: Radio frequency used by the AWACS/GCI.
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"""
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self.awacs.append(AwacsInfo(callsign, freq))
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def add_tanker(self, callsign: str, variant: str, freq: str,
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tacan: str) -> None:
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"""Adds a tanker to the kneeboard.
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Args:
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callsign: Callsign of the tanker.
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variant: Aircraft type.
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freq: Radio frequency used by the tanker.
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tacan: TACAN channel of the tanker.
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"""
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self.tankers.append(TankerInfo(callsign, variant, freq, tacan))
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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) -> 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().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) -> 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 cp in self.game.theater.controlpoints:
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if cp.id in self.game.planners.keys():
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for flight in self.game.planners[cp.id].flights:
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if flight.client_count > 0:
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all_flights[flight.unit_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: Flight) -> 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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