dcs_liberation/gen/convoygen.py
MetalStormGhost 54bf9357bf
Add option to limit convoy travel distances.
CPU load seems to scale with route length, so add an option to limit
the length of the convoy route. The tradeoff is that the performance
sensitive route won't necessarily be a correct route.
2021-12-10 00:14:32 +01:00

108 lines
3.6 KiB
Python

from __future__ import annotations
import itertools
from typing import TYPE_CHECKING
from dcs import Mission
from dcs.mapping import Point
from dcs.point import PointAction
from dcs.unit import Vehicle
from dcs.unitgroup import VehicleGroup
from game.dcs.groundunittype import GroundUnitType
from game.theater import FrontLine
from game.transfers import Convoy
from game.unitmap import UnitMap
from game.utils import kph
if TYPE_CHECKING:
from game import Game
class ConvoyGenerator:
def __init__(self, mission: Mission, game: Game, unit_map: UnitMap) -> None:
self.mission = mission
self.game = game
self.unit_map = unit_map
self.count = itertools.count()
def generate(self) -> None:
# Reset the count to make generation deterministic.
for coalition in self.game.coalitions:
for convoy in coalition.transfers.convoys:
self.generate_convoy(convoy)
def generate_convoy(self, convoy: Convoy) -> VehicleGroup:
group = self._create_mixed_unit_group(
convoy.name,
convoy.route_start,
convoy.units,
convoy.player_owned,
)
if self.game.settings.convoys_travel_full_distance:
end_point = convoy.route_end
else:
# convoys_travel_full_distance is disabled, so have the convoy only move the first segment on the route.
# This option aims to remove long routes for ground vehicles between control points,
# since the CPU load for pathfinding long routes on DCS can be pretty heavy.
frontline = FrontLine(convoy.origin, convoy.destination)
# Select the first route segment from the origin towards the destination
# so the convoy spawns at the origin CP. This allows the convoy to be
# targeted by BAI flights and starts it within the protection umbrella of the CP.
end_point = frontline.segments[0].point_b
group.add_waypoint(
end_point,
speed=kph(40).kph,
move_formation=PointAction.OnRoad,
)
self.make_drivable(group)
self.unit_map.add_convoy_units(group, convoy)
return group
def _create_mixed_unit_group(
self,
name: str,
position: Point,
units: dict[GroundUnitType, int],
for_player: bool,
) -> VehicleGroup:
country = self.mission.country(self.game.coalition_for(for_player).country_name)
unit_types = list(units.items())
main_unit_type, main_unit_count = unit_types[0]
group = self.mission.vehicle_group(
country,
name,
main_unit_type.dcs_unit_type,
position=position,
group_size=main_unit_count,
move_formation=PointAction.OnRoad,
)
unit_name_counter = itertools.count(main_unit_count + 1)
# pydcs spreads units out by 20 in the Y axis by default. Pick up where it left
# off.
y = itertools.count(position.y + main_unit_count * 20, 20)
for unit_type, count in unit_types[1:]:
for i in range(count):
v = self.mission.vehicle(
f"{name} Unit #{next(unit_name_counter)}", unit_type.dcs_unit_type
)
v.position.x = position.x
v.position.y = next(y)
v.heading = 0
group.add_unit(v)
return group
@staticmethod
def make_drivable(group: VehicleGroup) -> None:
for v in group.units:
if isinstance(v, Vehicle):
v.player_can_drive = True