mirror of
https://github.com/dcs-liberation/dcs_liberation.git
synced 2025-11-10 14:22:26 +00:00
136 lines
5.5 KiB
Python
136 lines
5.5 KiB
Python
from __future__ import annotations
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from datetime import datetime
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from typing import Any, Iterable, Union
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from dcs import Mission
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from dcs.planes import AJS37, F_14A_135_GR, F_14A_135_GR_Early, F_14B, JF_17
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from dcs.point import MovingPoint, PointAction
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from dcs.unitgroup import FlyingGroup
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from game.ato import Flight, FlightWaypoint
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from game.ato.flightwaypointtype import FlightWaypointType
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from game.ato.traveltime import GroundSpeed
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from game.flightplan.waypointactions.taskcontext import TaskContext
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from game.missiongenerator.missiondata import MissionData
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from game.theater import MissionTarget, TheaterUnit
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from game.unitmap import UnitMap
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TARGET_WAYPOINTS = (
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FlightWaypointType.TARGET_GROUP_LOC,
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FlightWaypointType.TARGET_POINT,
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FlightWaypointType.TARGET_SHIP,
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)
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class PydcsWaypointBuilder:
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def __init__(
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self,
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waypoint: FlightWaypoint,
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group: FlyingGroup[Any],
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flight: Flight,
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mission: Mission,
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now: datetime,
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mission_data: MissionData,
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unit_map: UnitMap,
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generated_waypoint_idx: int,
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) -> None:
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self.waypoint = waypoint
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self.group = group
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self.package = flight.package
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self.flight = flight
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self.mission = mission
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self.now = now
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self.mission_data = mission_data
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self.unit_map = unit_map
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self.generated_waypoint_idx = generated_waypoint_idx
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def dcs_name_for_waypoint(self) -> str:
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return self.waypoint.name
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def build(self) -> MovingPoint:
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waypoint = self.group.add_waypoint(
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self.waypoint.position,
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self.waypoint.alt.meters,
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# The speed we pass will be overridden for most waypoints because we'll set
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# a TOT and leave the speed up to the AI, but for the few types of waypoints
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# that don't have TOTs (e.g. nav points), we set a reasonable cruise speed
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# to pydcs doesn't assign the default of 600kph ground speed (which is very
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# slow at most altitudes).
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#
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# Calling GroundSpeed.for_flight isn't really a correct fix here. We ought
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# to be using FlightPlan.speed_between_waypoints, but the way the waypoint
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# builder is called makes it difficult to track the previous waypoint. This
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# is probably good enough for a stop gap, and most of the flight planning
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# code is hopefully being rewritten soon anyway.
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#
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# https://github.com/dcs-liberation/dcs_liberation/issues/3113
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speed=GroundSpeed.for_flight(self.flight, self.waypoint.alt).kph,
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name=self.dcs_name_for_waypoint(),
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)
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if self.waypoint.flyover:
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waypoint.action = PointAction.FlyOverPoint
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# It seems we need to leave waypoint.type exactly as it is even
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# though it's set to "Turning Point". If I set this to "Fly Over
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# Point" and then save the mission in the ME DCS resets it.
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if self.flight.client_count > 0:
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# Set Altitute to 0 AGL for player flights so that they can slave target pods or weapons to the waypoint
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waypoint.alt = 0
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waypoint.alt_type = "RADIO"
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waypoint.alt_type = self.waypoint.alt_type
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tot = self.flight.flight_plan.tot_for_waypoint(self.waypoint)
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if tot is not None:
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self.set_waypoint_tot(waypoint, tot, self.generated_waypoint_idx)
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self.add_tasks(waypoint)
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return waypoint
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def add_tasks(self, waypoint: MovingPoint) -> None:
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ctx = TaskContext(self.now)
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for action in self.waypoint.actions:
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for task in action.iter_tasks(ctx):
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waypoint.add_task(task)
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for option in self.waypoint.options.values():
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for task in option.iter_tasks(ctx):
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waypoint.add_task(task)
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def set_waypoint_tot(
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self, waypoint: MovingPoint, tot: datetime, waypoint_index: int
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) -> None:
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self.waypoint.tot = tot
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if not self._viggen_client_tot():
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waypoint.ETA = int((tot - self.now).total_seconds())
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waypoint.ETA_locked = True
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# The first waypoint must always have a locked speed (see the bug). Other
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# waypoints cannot lock both a speed and an ETA, so we need to clear the
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# speed lock when setting a TOT.
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# https://github.com/dcs-liberation/dcs_liberation/issues/3195
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waypoint.speed_locked = waypoint_index == 0
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def _viggen_client_tot(self) -> bool:
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"""Viggen player aircraft consider any waypoint with a TOT set to be a target ("M") waypoint.
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If the flight is a player controlled Viggen flight, no TOT should be set on any waypoint except actual target waypoints.
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"""
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if (
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self.flight.client_count > 0
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and self.flight.unit_type.dcs_unit_type == AJS37
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) and (self.waypoint.waypoint_type not in TARGET_WAYPOINTS):
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return True
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else:
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return False
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def register_special_waypoints(
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self, targets: Iterable[Union[MissionTarget, TheaterUnit]]
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) -> None:
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"""Create special target waypoints for various aircraft"""
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for i, t in enumerate(targets):
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if self.group.units[0].unit_type == JF_17 and i < 4:
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self.group.add_nav_target_point(t.position, "PP" + str(i + 1))
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if (
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self.group.units[0].unit_type
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in [F_14A_135_GR, F_14A_135_GR_Early, F_14B]
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and i == 0
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):
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self.group.add_nav_target_point(t.position, "ST")
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