mirror of
https://github.com/dcs-retribution/dcs-retribution.git
synced 2025-11-10 15:41:24 +00:00
136 lines
4.7 KiB
Python
136 lines
4.7 KiB
Python
from __future__ import annotations
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import itertools
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import logging
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from typing import TYPE_CHECKING, List
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from dcs import Mission
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from dcs.mapping import Point
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from dcs.point import PointAction
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from dcs.unit import Vehicle
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from dcs.unitgroup import VehicleGroup
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from game.dcs.groundunittype import GroundUnitType
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from game.missiongenerator.groundforcepainter import GroundForcePainter
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from game.transfers import Convoy
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from game.unitmap import UnitMap
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from game.utils import kph
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if TYPE_CHECKING:
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from game import Game
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class ConvoyGenerator:
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def __init__(self, mission: Mission, game: Game, unit_map: UnitMap) -> None:
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self.mission = mission
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self.game = game
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self.unit_map = unit_map
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self.count = itertools.count()
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def generate(self) -> None:
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# Reset the count to make generation deterministic.
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if not self.game.settings.perf_disable_convoys:
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for coalition in self.game.coalitions:
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for convoy in coalition.transfers.convoys:
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self.generate_convoy(convoy)
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def generate_convoy(self, convoy: Convoy) -> VehicleGroup:
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group = self._create_mixed_unit_group(
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convoy.name,
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convoy.route_start,
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convoy.units,
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convoy.player_owned,
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)
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group.manualHeading = True
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spawns_tuple = convoy.origin.convoy_spawns.get(convoy.destination)
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if spawns_tuple:
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spawns = list(spawns_tuple)
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last_unit = group.units[0]
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spawns.pop(0)
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for u in group.units[1:]:
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if spawns:
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u.position = spawns.pop(0)
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u.heading = u.position.heading_between_point(last_unit.position)
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if last_unit.heading == 0:
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last_unit.heading = u.heading
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last_unit = u
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else:
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logging.warning(
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f"Insufficient convoy spawns at {convoy.origin.name} "
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f"with destination {convoy.destination.name}, "
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"convoy may experience issues at mission start"
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)
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break
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wpts: List[Point] = []
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route = convoy.origin.convoy_route_to(convoy.destination)
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if self.game.settings.convoys_travel_full_distance:
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wpts.extend(route)
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else:
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# convoys_travel_full_distance is disabled, so have the convoy only move the
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# first segment on the route. This option aims to remove long routes for
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# ground vehicles between control points, since the CPU load for pathfinding
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# long routes on DCS can be pretty heavy.
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# Select the first route segment from the origin towards the destination so
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# the convoy spawns at the origin CP. This allows the convoy to be targeted
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# by BAI flights and starts it within the protection umbrella of the CP.
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wpts.append(route[1])
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for wpt in wpts:
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group.add_waypoint(
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wpt,
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speed=kph(40).kph,
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move_formation=PointAction.OnRoad,
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)
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self.make_drivable(group)
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self.unit_map.add_convoy_units(group, convoy)
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return group
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def _create_mixed_unit_group(
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self,
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name: str,
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position: Point,
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units: dict[GroundUnitType, int],
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for_player: bool,
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) -> VehicleGroup:
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unit_types = list(units.items())
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main_unit_type, main_unit_count = unit_types[0]
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faction = self.game.coalition_for(for_player).faction
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country = self.mission.country(faction.country.name)
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group = self.mission.vehicle_group(
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country,
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name,
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main_unit_type.dcs_unit_type,
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position=position,
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group_size=main_unit_count,
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move_formation=PointAction.OnRoad,
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)
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unit_name_counter = itertools.count(main_unit_count + 1)
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# pydcs spreads units out by 20 in the Y axis by default. Pick up where it left
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# off.
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y = itertools.count(position.y + main_unit_count * 20, 20)
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for unit_type, count in unit_types[1:]:
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for i in range(count):
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v = self.mission.vehicle(
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f"{name} Unit #{next(unit_name_counter)}", unit_type.dcs_unit_type
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)
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v.position.x = position.x
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v.position.y = next(y)
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v.heading = 0
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GroundForcePainter(faction, v).apply_livery()
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group.add_unit(v)
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return group
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@staticmethod
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def make_drivable(group: VehicleGroup) -> None:
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for v in group.units:
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if isinstance(v, Vehicle):
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v.player_can_drive = True
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