Merge branch 'develop' into faction_refactor

game/operation/operation.py

@@ -358,7 +358,7 @@ class Operation:
         # set a LUA table with data from Liberation that we want to set
         # at the moment it contains Liberation's install path, and an overridable definition for the JTACAutoLase function
         # later, we'll add data about the units and points having been generated, in order to facilitate the configuration of the plugin lua scripts
-        state_location = "[[" + os.path.abspath("state.json") + "]]"
+        state_location = "[[" + os.path.abspath(".") + "]]"
         lua = """
 -- setting configuration table
 env.info("DCSLiberation|: setting configuration table")

game/utils.py

@@ -1,14 +1,14 @@
-def meter_to_feet(value_in_meter):
+def meter_to_feet(value_in_meter: float) -> int:
     return int(3.28084 * value_in_meter)
 
 
-def feet_to_meter(value_in_feet):
-    return int(float(value_in_feet)/3.048)
+def feet_to_meter(value_in_feet: float) -> int:
+    return int(value_in_feet / 3.28084)
 
 
-def meter_to_nm(value_in_meter):
-    return int(float(value_in_meter)*0.000539957)
+def meter_to_nm(value_in_meter: float) -> int:
+    return int(value_in_meter / 1852)
 
 
-def nm_to_meter(value_in_nm):
-    return int(float(value_in_nm)*1852)
+def nm_to_meter(value_in_nm: float) -> int:
+    return int(value_in_nm * 1852)

gen/aircraft.py

@@ -3,11 +3,11 @@ from __future__ import annotations
 import logging
 import random
 from dataclasses import dataclass
-from typing import Dict, List, Optional, Tuple, Type, Union
+from typing import Dict, List, Optional, Type, Union
 
 from dcs import helicopters
-from dcs.action import AITaskPush, ActivateGroup, MessageToAll
-from dcs.condition import CoalitionHasAirdrome, PartOfCoalitionInZone, TimeAfter
+from dcs.action import AITaskPush, ActivateGroup
+from dcs.condition import CoalitionHasAirdrome, TimeAfter
 from dcs.country import Country
 from dcs.flyingunit import FlyingUnit
 from dcs.helicopters import UH_1H, helicopter_map
@@ -40,7 +40,6 @@ from dcs.task import (
     ControlledTask,
     EPLRS,
     EngageTargets,
-    Escort,
     GroundAttack,
     OptROE,
     OptRTBOnBingoFuel,
@@ -55,10 +54,10 @@ from dcs.task import (
     Targets,
     Task,
 )
-from dcs.terrain.terrain import Airport, NoParkingSlotError
+from dcs.terrain.terrain import Airport
 from dcs.translation import String
 from dcs.triggers import Event, TriggerOnce, TriggerRule
-from dcs.unitgroup import FlyingGroup, Group, ShipGroup, StaticGroup
+from dcs.unitgroup import FlyingGroup, ShipGroup, StaticGroup
 from dcs.unittype import FlyingType, UnitType
 
 from game import db
@@ -548,7 +547,6 @@ class AircraftConflictGenerator:
         self.settings = settings
         self.conflict = conflict
         self.radio_registry = radio_registry
-        self.escort_targets: List[Tuple[FlyingGroup, int]] = []
         self.flights: List[FlightData] = []
 
     def get_intra_flight_channel(self, airframe: UnitType) -> RadioFrequency:
@@ -633,10 +631,6 @@ class AircraftConflictGenerator:
             logging.warning(f"Unhandled departure control point: {cp.cptype}")
             departure_runway = fallback_runway
 
-        # The first waypoint is set automatically by pydcs, so it's not in our
-        # list. Convert the pydcs MovingPoint to a FlightWaypoint so it shows up
-        # in our FlightData.
-        first_point = FlightWaypoint.from_pydcs(group.points[0], flight.from_cp)
         self.flights.append(FlightData(
             flight_type=flight.flight_type,
             units=group.units,
@@ -808,8 +802,8 @@ class AircraftConflictGenerator:
                 logging.info(f"Generating flight: {flight.unit_type}")
                 group = self.generate_planned_flight(flight.from_cp, country,
                                                      flight)
-                self.setup_flight_group(group, package, flight, timing,
-                                        dynamic_runways)
+                self.setup_flight_group(group, flight, dynamic_runways)
+                self.create_waypoints(group, package, flight, timing)
 
     def set_activation_time(self, flight: Flight, group: FlyingGroup,
                             delay: int) -> None:
@@ -988,8 +982,11 @@ class AircraftConflictGenerator:
 
     def configure_escort(self, group: FlyingGroup, flight: Flight,
                          dynamic_runways: Dict[str, RunwayData]) -> None:
-        group.task = Escort.name
-        self._setup_group(group, Escort, flight, dynamic_runways)
+        # Escort groups are actually given the CAP task so they can perform the
+        # Search Then Engage task, which we have to use instead of the Escort
+        # task for the reasons explained in JoinPointBuilder.
+        group.task = CAP.name
+        self._setup_group(group, CAP, flight, dynamic_runways)
         self.configure_behavior(group, roe=OptROE.Values.OpenFire,
                                 restrict_jettison=True)
 
@@ -998,8 +995,7 @@ class AircraftConflictGenerator:
         logging.error(f"Unhandled flight type: {flight.flight_type.name}")
         self.configure_behavior(group)
 
-    def setup_flight_group(self, group: FlyingGroup, package: Package,
-                           flight: Flight, timing: PackageWaypointTiming,
+    def setup_flight_group(self, group: FlyingGroup, flight: Flight,
                            dynamic_runways: Dict[str, RunwayData]) -> None:
         flight_type = flight.flight_type
         if flight_type in [FlightType.BARCAP, FlightType.TARCAP,
@@ -1020,16 +1016,23 @@ class AircraftConflictGenerator:
 
         self.configure_eplrs(group, flight)
 
+    def create_waypoints(self, group: FlyingGroup, package: Package,
+                         flight: Flight, timing: PackageWaypointTiming) -> None:
+
         for waypoint in flight.points:
             waypoint.tot = None
 
         takeoff_point = FlightWaypoint.from_pydcs(group.points[0],
                                                   flight.from_cp)
         self.set_takeoff_time(takeoff_point, package, flight, group)
+
+        filtered_points = []
         for point in flight.points:
             if point.only_for_player and not flight.client_count:
                 continue
+            filtered_points.append(point)
 
+        for idx, point in enumerate(filtered_points):
             PydcsWaypointBuilder.for_waypoint(
                 point, group, flight, timing, self.m
             ).build()
@@ -1114,6 +1117,8 @@ class PydcsWaypointBuilder:
                      mission: Mission) -> PydcsWaypointBuilder:
         builders = {
             FlightWaypointType.EGRESS: EgressPointBuilder,
+            FlightWaypointType.INGRESS_CAS: IngressBuilder,
+            FlightWaypointType.INGRESS_ESCORT: IngressBuilder,
             FlightWaypointType.INGRESS_SEAD: SeadIngressBuilder,
             FlightWaypointType.INGRESS_STRIKE: StrikeIngressBuilder,
             FlightWaypointType.JOIN: JoinPointBuilder,
@@ -1236,8 +1241,48 @@ class JoinPointBuilder(PydcsWaypointBuilder):
     def build(self) -> MovingPoint:
         waypoint = super().build()
         self.set_waypoint_tot(waypoint, self.timing.join)
+        if self.flight.flight_type == FlightType.ESCORT:
+            self.configure_escort_tasks(waypoint)
         return waypoint
 
+    @staticmethod
+    def configure_escort_tasks(waypoint: MovingPoint) -> None:
+        # Ideally we would use the escort mission type and escort task to have
+        # the AI automatically but the AI only escorts AI flights while they are
+        # traveling between waypoints. When an AI flight performs an attack
+        # (such as attacking the mission target), AI escorts wander aimlessly
+        # until the escorted group resumes its flight plan.
+        #
+        # As such, we instead use the Search Then Engage task, which is an
+        # enroute task that causes the AI to follow their flight plan and engage
+        # enemies of the set type within a certain distance. The downside to
+        # this approach is that AI escorts are no longer related to the group
+        # they are escorting, aside from the fact that they fly a similar flight
+        # plan at the same time. With Escort, the escorts will follow the
+        # escorted group out of the area. The strike element may or may not fly
+        # directly over the target, and they may or may not require multiple
+        # attack runs. For the escort flight we must just assume a flight plan
+        # for the escort to fly. If the strike flight doesn't need to overfly
+        # the target, the escorts are needlessly going in harms way. If the
+        # strike flight needs multiple passes, the escorts may leave before the
+        # escorted aircraft do.
+        #
+        # Another possible option would be to use Search Then Engage for join ->
+        # ingress and egress -> split, but use a Search Then Engage in Zone task
+        # for the target area that is set to end on a flag flip that occurs when
+        # the strike aircraft finish their attack task.
+        #
+        # https://forums.eagle.ru/forum/english/digital-combat-simulator/dcs-world-2-5/bugs-and-problems-ai/ai-ad/250183-task-follow-and-escort-temporarily-aborted
+        waypoint.add_task(ControlledTask(EngageTargets(
+            # TODO: From doctrine.
+            max_distance=nm_to_meter(30),
+            targets=[Targets.All.Air.Planes.Fighters]
+        )))
+
+        # We could set this task to end at the split point. pydcs doesn't
+        # currently support that task end condition though, and we don't really
+        # need it.
+
 
 class LandingPointBuilder(PydcsWaypointBuilder):
     def build(self) -> MovingPoint:

gen/flights/flight.py

@@ -52,6 +52,7 @@ class FlightWaypointType(Enum):
     JOIN = 16
     SPLIT = 17
     LOITER = 18
+    INGRESS_ESCORT = 19
 
 
 class PredefinedWaypointCategory(Enum):

gen/flights/flightplan.py

@@ -132,7 +132,7 @@ class FlightPlanBuilder:
         if not isinstance(location, TheaterGroundObject):
             raise InvalidObjectiveLocation(flight.flight_type, location)
 
-        builder = WaypointBuilder(self.doctrine)
+        builder = WaypointBuilder(flight, self.doctrine)
         builder.ascent(flight.from_cp)
         builder.hold(self._hold_point(flight))
         builder.join(self.package.waypoints.join)
@@ -222,7 +222,7 @@ class FlightPlanBuilder:
         )
         start = end.point_from_heading(heading - 180, diameter)
 
-        builder = WaypointBuilder(self.doctrine)
+        builder = WaypointBuilder(flight, self.doctrine)
         builder.ascent(flight.from_cp)
         builder.race_track(start, end, patrol_alt)
         builder.rtb(flight.from_cp)
@@ -264,7 +264,7 @@ class FlightPlanBuilder:
         orbit1p = orbit_center.point_from_heading(heading + 180, radius)
 
         # Create points
-        builder = WaypointBuilder(self.doctrine)
+        builder = WaypointBuilder(flight, self.doctrine)
         builder.ascent(flight.from_cp)
         builder.hold(self._hold_point(flight))
         builder.join(self.package.waypoints.join)
@@ -290,7 +290,7 @@ class FlightPlanBuilder:
         if custom_targets is None:
             custom_targets = []
 
-        builder = WaypointBuilder(self.doctrine)
+        builder = WaypointBuilder(flight, self.doctrine)
         builder.ascent(flight.from_cp)
         builder.hold(self._hold_point(flight))
         builder.join(self.package.waypoints.join)
@@ -328,17 +328,12 @@ class FlightPlanBuilder:
     def generate_escort(self, flight: Flight) -> None:
         assert self.package.waypoints is not None
 
-        patrol_alt = random.randint(
-            self.doctrine.min_patrol_altitude,
-            self.doctrine.max_patrol_altitude
-        )
-
-        builder = WaypointBuilder(self.doctrine)
+        builder = WaypointBuilder(flight, self.doctrine)
         builder.ascent(flight.from_cp)
         builder.hold(self._hold_point(flight))
         builder.join(self.package.waypoints.join)
-        builder.race_track(self.package.waypoints.ingress,
-                           self.package.waypoints.egress, patrol_alt)
+        builder.escort(self.package.waypoints.ingress,
+                       self.package.target, self.package.waypoints.egress)
         builder.split(self.package.waypoints.split)
         builder.rtb(flight.from_cp)
 
@@ -366,7 +361,7 @@ class FlightPlanBuilder:
         center = ingress.point_from_heading(heading, distance / 2)
         egress = ingress.point_from_heading(heading, distance)
 
-        builder = WaypointBuilder(self.doctrine)
+        builder = WaypointBuilder(flight, self.doctrine)
         builder.ascent(flight.from_cp, is_helo)
         builder.hold(self._hold_point(flight))
         builder.join(self.package.waypoints.join)
@@ -379,33 +374,39 @@ class FlightPlanBuilder:
         flight.points = builder.build()
 
     # TODO: Make a model for the waypoint builder and use that in the UI.
-    def generate_ascend_point(self, departure: ControlPoint) -> FlightWaypoint:
+    def generate_ascend_point(self, flight: Flight,
+                              departure: ControlPoint) -> FlightWaypoint:
         """Generate ascend point.
 
         Args:
+            flight: The flight to generate the descend point for.
             departure: Departure airfield or carrier.
         """
-        builder = WaypointBuilder(self.doctrine)
+        builder = WaypointBuilder(flight, self.doctrine)
         builder.ascent(departure)
         return builder.build()[0]
 
-    def generate_descend_point(self, arrival: ControlPoint) -> FlightWaypoint:
+    def generate_descend_point(self, flight: Flight,
+                               arrival: ControlPoint) -> FlightWaypoint:
         """Generate approach/descend point.
 
         Args:
+            flight: The flight to generate the descend point for.
             arrival: Arrival airfield or carrier.
         """
-        builder = WaypointBuilder(self.doctrine)
+        builder = WaypointBuilder(flight, self.doctrine)
         builder.descent(arrival)
         return builder.build()[0]
 
-    def generate_rtb_waypoint(self, arrival: ControlPoint) -> FlightWaypoint:
+    def generate_rtb_waypoint(self, flight: Flight,
+                              arrival: ControlPoint) -> FlightWaypoint:
         """Generate RTB landing point.
 
         Args:
+            flight: The flight to generate the landing waypoint for.
             arrival: Arrival airfield or carrier.
         """
-        builder = WaypointBuilder(self.doctrine)
+        builder = WaypointBuilder(flight, self.doctrine)
         builder.land(arrival)
         return builder.build()[0]
 

gen/flights/traveltime.py

@@ -22,12 +22,14 @@ CAP_DURATION = 30  # Minutes
 
 INGRESS_TYPES = {
     FlightWaypointType.INGRESS_CAS,
+    FlightWaypointType.INGRESS_ESCORT,
     FlightWaypointType.INGRESS_SEAD,
     FlightWaypointType.INGRESS_STRIKE,
 }
 
 IP_TYPES = {
     FlightWaypointType.INGRESS_CAS,
+    FlightWaypointType.INGRESS_ESCORT,
     FlightWaypointType.INGRESS_SEAD,
     FlightWaypointType.INGRESS_STRIKE,
     FlightWaypointType.PATROL_TRACK,
@@ -202,7 +204,11 @@ class TotEstimator:
     @staticmethod
     def estimate_startup(flight: Flight) -> int:
         if flight.start_type == "Cold":
-            return 10 * 60
+            if flight.client_count:
+                return 10 * 60
+            else:
+                # The AI doesn't seem to have a real startup procedure.
+                return 2 * 60
         return 0
 
     @staticmethod

gen/flights/waypointbuilder.py

@@ -8,11 +8,12 @@ from dcs.unit import Unit
 from game.data.doctrine import Doctrine
 from game.utils import nm_to_meter
 from theater import ControlPoint, MissionTarget, TheaterGroundObject
-from .flight import FlightWaypoint, FlightWaypointType
+from .flight import Flight, FlightWaypoint, FlightWaypointType
 
 
 class WaypointBuilder:
-    def __init__(self, doctrine: Doctrine) -> None:
+    def __init__(self, flight: Flight, doctrine: Doctrine) -> None:
+        self.flight = flight
         self.doctrine = doctrine
         self.waypoints: List[FlightWaypoint] = []
         self.ingress_point: Optional[FlightWaypoint] = None
@@ -127,6 +128,9 @@ class WaypointBuilder:
     def ingress_cas(self, position: Point, objective: MissionTarget) -> None:
         self._ingress(FlightWaypointType.INGRESS_CAS, position, objective)
 
+    def ingress_escort(self, position: Point, objective: MissionTarget) -> None:
+        self._ingress(FlightWaypointType.INGRESS_ESCORT, position, objective)
+
     def ingress_sead(self, position: Point, objective: MissionTarget) -> None:
         self._ingress(FlightWaypointType.INGRESS_SEAD, position, objective)
 
@@ -199,6 +203,9 @@ class WaypointBuilder:
         waypoint.description = description
         waypoint.pretty_name = description
         waypoint.name = name
+        # The target waypoints are only for the player's benefit. AI tasks for
+        # the target are set on the ingress point so they begin their attack
+        # *before* reaching the target.
         waypoint.only_for_player = True
         self.waypoints.append(waypoint)
         # TODO: This seems wrong, but it's what was there before.
@@ -231,6 +238,9 @@ class WaypointBuilder:
         waypoint.description = name
         waypoint.pretty_name = name
         waypoint.name = name
+        # The target waypoints are only for the player's benefit. AI tasks for
+        # the target are set on the ingress point so they begin their attack
+        # *before* reaching the target.
         waypoint.only_for_player = True
         self.waypoints.append(waypoint)
         # TODO: This seems wrong, but it's what was there before.
@@ -305,3 +315,33 @@ class WaypointBuilder:
         """
         self.descent(arrival, is_helo)
         self.land(arrival)
+
+    def escort(self, ingress: Point, target: MissionTarget,
+               egress: Point) -> None:
+        """Creates the waypoints needed to escort the package.
+
+        Args:
+            ingress: The package ingress point.
+            target: The mission target.
+            egress: The package egress point.
+        """
+        # This would preferably be no points at all, and instead the Escort task
+        # would begin on the join point and end on the split point, however the
+        # escort task does not appear to work properly (see the longer
+        # description in gen.aircraft.JoinPointBuilder), so instead we give
+        # the escort flights a flight plan including the ingress point, target
+        # area, and egress point.
+        self._ingress(FlightWaypointType.INGRESS_ESCORT, ingress, target)
+
+        waypoint = FlightWaypoint(
+            FlightWaypointType.TARGET_GROUP_LOC,
+            target.position.x,
+            target.position.y,
+            self.doctrine.ingress_altitude
+        )
+        waypoint.name = "TARGET"
+        waypoint.description = "Escort the package"
+        waypoint.pretty_name = "Target area"
+        self.waypoints.append(waypoint)
+
+        self.egress(egress, target)

qt_ui/models.py

@@ -252,6 +252,8 @@ class AtoModel(QAbstractListModel):
         else:
             self.ato = AirTaskingOrder()
         self.endResetModel()
+        # noinspection PyUnresolvedReferences
+        self.client_slots_changed.emit()
 
     def get_package_model(self, index: QModelIndex) -> PackageModel:
         """Returns a model for the package at the given index."""

qt_ui/widgets/ato.py

@@ -10,15 +10,26 @@ from PySide2.QtCore import (
     QSize,
     Qt,
 )
-from PySide2.QtGui import QFont, QFontMetrics, QIcon, QPainter
+from PySide2.QtGui import (
+    QContextMenuEvent,
+    QFont,
+    QFontMetrics,
+    QIcon,
+    QPainter,
+)
 from PySide2.QtWidgets import (
     QAbstractItemView,
+    QAction,
     QGroupBox,
     QHBoxLayout,
     QListView,
+    QMenu,
     QPushButton,
     QSplitter,
-    QStyle, QStyleOptionViewItem, QStyledItemDelegate, QVBoxLayout,
+    QStyle,
+    QStyleOptionViewItem,
+    QStyledItemDelegate,
+    QVBoxLayout,
 )
 
 from game import db
@@ -130,14 +141,17 @@ class FlightDelegate(QStyledItemDelegate):
 class QFlightList(QListView):
     """List view for displaying the flights of a package."""
 
-    def __init__(self, model: Optional[PackageModel]) -> None:
+    def __init__(self, game_model: GameModel,
+                 package_model: Optional[PackageModel]) -> None:
         super().__init__()
-        self.package_model = model
-        self.set_package(model)
-        if model is not None:
-            self.setItemDelegate(FlightDelegate(model.package))
+        self.game_model = game_model
+        self.package_model = package_model
+        self.set_package(package_model)
+        if package_model is not None:
+            self.setItemDelegate(FlightDelegate(package_model.package))
         self.setIconSize(QSize(91, 24))
         self.setSelectionBehavior(QAbstractItemView.SelectItems)
+        self.doubleClicked.connect(self.on_double_click)
 
     def set_package(self, model: Optional[PackageModel]) -> None:
         """Sets the package model to display."""
@@ -172,6 +186,38 @@ class QFlightList(QListView):
             return None
         return self.package_model.flight_at_index(index)
 
+    def on_double_click(self, index: QModelIndex) -> None:
+        if not index.isValid():
+            return
+        self.edit_flight(index)
+
+    def edit_flight(self, index: QModelIndex) -> None:
+        from qt_ui.dialogs import Dialog
+        Dialog.open_edit_flight_dialog(
+            self.package_model, self.package_model.flight_at_index(index)
+        )
+
+    def delete_flight(self, index: QModelIndex) -> None:
+        self.game_model.game.aircraft_inventory.return_from_flight(
+            self.selected_item)
+        self.package_model.delete_flight_at_index(index)
+        GameUpdateSignal.get_instance().redraw_flight_paths()
+
+    def contextMenuEvent(self, event: QContextMenuEvent) -> None:
+        index = self.indexAt(event.pos())
+
+        menu = QMenu("Menu")
+
+        edit_action = QAction("Edit")
+        edit_action.triggered.connect(lambda: self.edit_flight(index))
+        menu.addAction(edit_action)
+
+        delete_action = QAction(f"Delete")
+        delete_action.triggered.connect(lambda: self.delete_flight(index))
+        menu.addAction(delete_action)
+
+        menu.exec_(event.globalPos())
+
 
 class QFlightPanel(QGroupBox):
     """The flight display portion of the ATO panel.
@@ -189,7 +235,7 @@ class QFlightPanel(QGroupBox):
         self.vbox = QVBoxLayout()
         self.setLayout(self.vbox)
 
-        self.flight_list = QFlightList(package_model)
+        self.flight_list = QFlightList(game_model, package_model)
         self.vbox.addWidget(self.flight_list)
 
         self.button_row = QHBoxLayout()
@@ -242,10 +288,7 @@ class QFlightPanel(QGroupBox):
         if not index.isValid():
             logging.error(f"Cannot edit flight when no flight is selected.")
             return
-        from qt_ui.dialogs import Dialog
-        Dialog.open_edit_flight_dialog(
-            self.package_model, self.package_model.flight_at_index(index)
-        )
+        self.flight_list.edit_flight(index)
 
     def on_delete(self) -> None:
         """Removes the selected flight from the package."""
@@ -253,10 +296,7 @@ class QFlightPanel(QGroupBox):
         if not index.isValid():
             logging.error(f"Cannot delete flight when no flight is selected.")
             return
-        self.game_model.game.aircraft_inventory.return_from_flight(
-            self.flight_list.selected_item)
-        self.package_model.delete_flight_at_index(index)
-        GameUpdateSignal.get_instance().redraw_flight_paths()
+        self.flight_list.delete_flight(index)
 
 
 @contextmanager
@@ -338,6 +378,7 @@ class QPackageList(QListView):
         self.setIconSize(QSize(91, 24))
         self.setSelectionBehavior(QAbstractItemView.SelectItems)
         self.model().rowsInserted.connect(self.on_new_packages)
+        self.doubleClicked.connect(self.on_double_click)
 
     @property
     def selected_item(self) -> Optional[Package]:
@@ -347,6 +388,14 @@ class QPackageList(QListView):
             return None
         return self.ato_model.package_at_index(index)
 
+    def edit_package(self, index: QModelIndex) -> None:
+        from qt_ui.dialogs import Dialog
+        Dialog.open_edit_package_dialog(self.ato_model.get_package_model(index))
+
+    def delete_package(self, index: QModelIndex) -> None:
+        self.ato_model.delete_package_at_index(index)
+        GameUpdateSignal.get_instance().redraw_flight_paths()
+
     def on_new_packages(self, _parent: QModelIndex, first: int,
                         _last: int) -> None:
         # Select the newly created pacakges. This should only ever happen due to
@@ -355,6 +404,26 @@ class QPackageList(QListView):
         self.selectionModel().setCurrentIndex(self.model().index(first, 0),
                                               QItemSelectionModel.Select)
 
+    def on_double_click(self, index: QModelIndex) -> None:
+        if not index.isValid():
+            return
+        self.edit_package(index)
+
+    def contextMenuEvent(self, event: QContextMenuEvent) -> None:
+        index = self.indexAt(event.pos())
+
+        menu = QMenu("Menu")
+
+        edit_action = QAction("Edit")
+        edit_action.triggered.connect(lambda: self.edit_package(index))
+        menu.addAction(edit_action)
+
+        delete_action = QAction(f"Delete")
+        delete_action.triggered.connect(lambda: self.delete_package(index))
+        menu.addAction(delete_action)
+
+        menu.exec_(event.globalPos())
+
 
 class QPackagePanel(QGroupBox):
     """The package display portion of the ATO panel.
@@ -420,8 +489,7 @@ class QPackagePanel(QGroupBox):
         if not index.isValid():
             logging.error(f"Cannot edit package when no package is selected.")
             return
-        from qt_ui.dialogs import Dialog
-        Dialog.open_edit_package_dialog(self.ato_model.get_package_model(index))
+        self.package_list.edit_package(index)
 
     def on_delete(self) -> None:
         """Removes the package from the ATO."""
@@ -429,8 +497,7 @@ class QPackagePanel(QGroupBox):
         if not index.isValid():
             logging.error(f"Cannot delete package when no package is selected.")
             return
-        self.ato_model.delete_package_at_index(index)
-        GameUpdateSignal.get_instance().redraw_flight_paths()
+        self.package_list.delete_package(index)
 
 
 class QAirTaskingOrderPanel(QSplitter):
@@ -440,6 +507,7 @@ class QAirTaskingOrderPanel(QSplitter):
     packages of the player's ATO, and the bottom half displays the flights of
     the selected package.
     """
+
     def __init__(self, game_model: GameModel) -> None:
         super().__init__(Qt.Vertical)
         self.ato_model = game_model.ato_model

qt_ui/windows/QLiberationWindow.py

@@ -4,7 +4,7 @@ import webbrowser
 from typing import Optional, Union
 
 from PySide2.QtCore import Qt
-from PySide2.QtGui import QIcon
+from PySide2.QtGui import QCloseEvent, QIcon
 from PySide2.QtWidgets import (
     QAction,
     QActionGroup, QDesktopWidget,
@@ -136,7 +136,7 @@ class QLiberationWindow(QMainWindow):
         file_menu.addSeparator()
         file_menu.addAction(self.showLiberationPrefDialogAction)
         file_menu.addSeparator()
-        file_menu.addAction("E&xit" , lambda: self.exit())
+        file_menu.addAction("E&xit", self.close)
 
         displayMenu = self.menu.addMenu("&Display")
 
@@ -214,13 +214,6 @@ class QLiberationWindow(QMainWindow):
         self.game = game
         GameUpdateSignal.get_instance().updateGame(self.game)
 
-    def closeGame(self):
-        self.game = None
-        GameUpdateSignal.get_instance().updateGame(self.game)
-
-    def exit(self):
-        sys.exit(0)
-
     def setGame(self, game: Optional[Game]):
         if game is not None:
             game.on_load()
@@ -257,3 +250,14 @@ class QLiberationWindow(QMainWindow):
         logging.info("On Debriefing")
         self.debriefing = QDebriefingWindow(debrief.debriefing, debrief.gameEvent, debrief.game)
         self.debriefing.show()
+
+    def closeEvent(self, event: QCloseEvent) -> None:
+        result = QMessageBox.question(
+            self, "Quit Liberation?",
+            "Are you sure you want to quit? All unsaved progress will be lost.",
+            QMessageBox.Yes | QMessageBox.No
+        )
+        if result == QMessageBox.Yes:
+            super().closeEvent(event)
+        else:
+            event.ignore()

qt_ui/windows/mission/QPackageDialog.py

@@ -17,7 +17,7 @@ from gen.ato import Package
 from gen.flights.flight import Flight
 from gen.flights.flightplan import FlightPlanBuilder
 from gen.flights.traveltime import TotEstimator
-from qt_ui.models import AtoModel, PackageModel
+from qt_ui.models import AtoModel, GameModel, PackageModel
 from qt_ui.uiconstants import EVENT_ICONS
 from qt_ui.widgets.ato import QFlightList
 from qt_ui.windows.GameUpdateSignal import GameUpdateSignal
@@ -35,9 +35,9 @@ class QPackageDialog(QDialog):
     #: Emitted when a change is made to the package.
     package_changed = Signal()
 
-    def __init__(self, game: Game, model: PackageModel) -> None:
+    def __init__(self, game_model: GameModel, model: PackageModel) -> None:
         super().__init__()
-        self.game = game
+        self.game_model = game_model
         self.package_model = model
         self.add_flight_dialog: Optional[QFlightCreator] = None
 
@@ -86,7 +86,7 @@ class QPackageDialog(QDialog):
         self.reset_tot_button.clicked.connect(self.reset_tot)
         self.tot_column.addWidget(self.reset_tot_button)
 
-        self.package_view = QFlightList(self.package_model)
+        self.package_view = QFlightList(self.game_model, self.package_model)
         self.package_view.selectionModel().selectionChanged.connect(
             self.on_selection_changed
         )
@@ -113,6 +113,10 @@ class QPackageDialog(QDialog):
         self.finished.connect(self.on_close)
         self.rejected.connect(self.on_cancel)
 
+    @property
+    def game(self) -> Game:
+        return self.game_model.game
+
     def tot_qtime(self) -> QTime:
         delay = self.package_model.package.time_over_target
         hours = delay // 3600

qt_ui/windows/mission/flight/waypoints/QFlightWaypointTab.py

@@ -111,19 +111,22 @@ class QFlightWaypointTab(QFrame):
         self.subwindow.show()
 
     def on_ascend_waypoint(self):
-        ascend = self.planner.generate_ascend_point(self.flight.from_cp)
+        ascend = self.planner.generate_ascend_point(self.flight,
+                                                    self.flight.from_cp)
         self.flight.points.append(ascend)
         self.flight_waypoint_list.update_list()
         self.on_change()
 
     def on_rtb_waypoint(self):
-        rtb = self.planner.generate_rtb_waypoint(self.flight.from_cp)
+        rtb = self.planner.generate_rtb_waypoint(self.flight,
+                                                 self.flight.from_cp)
         self.flight.points.append(rtb)
         self.flight_waypoint_list.update_list()
         self.on_change()
 
     def on_descend_waypoint(self):
-        descend = self.planner.generate_descend_point(self.flight.from_cp)
+        descend = self.planner.generate_descend_point(self.flight,
+                                                      self.flight.from_cp)
         self.flight.points.append(descend)
         self.flight_waypoint_list.update_list()
         self.on_change()

resources/plugins/base/dcs_liberation.lua

@@ -1,3 +1,6 @@
+-- the state.json file will be updated according to this schedule, and also on each destruction or capture event
+local WRITESTATE_SCHEDULE_IN_SECONDS = 60
+
 logger = mist.Logger:new("DCSLiberation", "info")
 logger:info("Check that json.lua is loaded : json = "..tostring(json))
 
@@ -8,6 +11,10 @@ base_capture_events = {}
 destroyed_objects_positions = {}
 mission_ended = false
 
+local function ends_with(str, ending)
+   return ending == "" or str:sub(-#ending) == ending
+end
+
 local function messageAll(message)
     local msg = {}
     msg.text = message
@@ -16,10 +23,13 @@ local function messageAll(message)
     mist.message.add(msg)
 end
 
-write_state = function()
-    --messageAll("Writing DCS Liberation State...")
-    --logger.info("Writing DCS LIBERATION state")
-    local fp = io.open(debriefing_file_location, 'w')
+function write_state()
+    local _debriefing_file_location = debriefing_file_location
+    if not debriefing_file_location then 
+        _debriefing_file_location = "[nil]"
+    end
+
+    local fp = io.open(_debriefing_file_location, 'w')
     local game_state = {
         ["killed_aircrafts"] = killed_aircrafts,
         ["killed_ground_units"] = killed_ground_units,
@@ -29,83 +39,114 @@ write_state = function()
         ["destroyed_objects_positions"] = destroyed_objects_positions,
     }
     if not json then
-        local message = string.format("Unable to save DCS Liberation state to %s, JSON library is not loaded !",debriefing_file_location)
+        local message = string.format("Unable to save DCS Liberation state to %s, JSON library is not loaded !", _debriefing_file_location)
         logger:error(message)
         messageAll(message)
     end
     fp:write(json:encode(game_state))
     fp:close()
-    -- logger.info("Done writing DCS Liberation state")
-    -- messageAll("Done writing DCS Liberation state.")
 end
 
-
-local function discoverDebriefingFilePath()
-    local function insertFileName(directoryOrFilePath, overrideFileName)
-        if overrideFileName then
-            logger:info("Using LIBERATION_EXPORT_STAMPED_STATE to locate the state.json")
-            return directoryOrFilePath .. os.time() .. "-state.json"
-        end
-
-        local filename = "state.json"
-        if not (directoryOrFilePath:sub(-#filename) == filename) then
-            return directoryOrFilePath .. filename
-        end
-
-        return directoryOrFilePath
+local function canWrite(name)
+    local f = io.open(name, "w")
+    if f then
+        f:close()
+        return true
     end
+    return false
+end
 
+local function testDebriefingFilePath(folderPath, folderName, useCurrentStamping)
+    if folderPath then
+        local filePath = nil
+        if not ends_with(folderPath, "\\") then
+            folderPath = folderPath .. "\\"
+        end
+        if useCurrentStamping then
+            filePath = string.format("%sstate-%s.json",folderPath, tostring(os.time()))
+        else 
+            filePath = string.format("%sstate.json",folderPath)
+        end
+        local isOk = canWrite(filePath)
+        if isOk then 
+            logger:info(string.format("The state.json file will be created in %s : (%s)",folderName, filePath))
+            return filePath
+        end
+    end
+    return nil
+end
+
+local function discoverDebriefingFilePath()   
     -- establish a search pattern into the following modes
-    -- 1. Environment variable mode, to support dedicated server hosting
-    -- 2. Embedded DCS Liberation Generation, to support locally hosted single player
-    -- 3. Retain the classic TEMP directory logic
+    -- 1. Environment variable LIBERATION_EXPORT_DIR, to support dedicated server hosting
+    -- 2. Embedded DCS Liberation dcsLiberation.installPath (set by the app to its install path), to support locally hosted single player
+    -- 3. System temporary folder, as set in the TEMP environment variable
+    -- 4. Working directory.
+    
+    local useCurrentStamping = nil
+    if os then  
+        useCurrentStamping = os.getenv("LIBERATION_EXPORT_STAMPED_STATE")
+    end
 
+    local installPath = nil
+    if dcsLiberation then 
+        installPath = dcsLiberation.installPath 
+    end
+    
     if os then
-        local exportDirectory = os.getenv("LIBERATION_EXPORT_DIR")
-
-        if exportDirectory then
-            logger:info("Using LIBERATION_EXPORT_DIR to locate the state.json")
-            local useCurrentStamping = os.getenv("LIBERATION_EXPORT_STAMPED_STATE")
-            exportDirectory = exportDirectory .. "\\"
-            return insertFileName(exportDirectory, useCurrentStamping)
+        local result = nil
+        -- try using the LIBERATION_EXPORT_DIR environment variable
+        result = testDebriefingFilePath(os.getenv("LIBERATION_EXPORT_DIR"), "LIBERATION_EXPORT_DIR", useCurrentStamping)
+        if result then
+            return result
+        end
+        -- no joy ? maybe there is a valid path in the mission ?
+        result = testDebriefingFilePath(installPath, "the DCS Liberation install folder", useCurrentStamping)
+        if result then
+            return result
+        end
+        -- there's always the possibility of using the system temporary folder
+        result = testDebriefingFilePath(os.getenv("TEMP"), "TEMP", useCurrentStamping)
+        if result then
+            return result
         end
     end
 
-    if dcsLiberation then
-        logger:info("Using DCS Liberation install folder for state.json")
-        return insertFileName(dcsLiberation.installPath)
-    end
-
+    -- nothing worked, let's try the last resort folder : current directory.
     if lfs then
-        logger:info("Using DCS working directory for state.json")
-        return insertFileName(lfs.writedir())
+        return testDebriefingFilePath(lfs.writedir(), "the working directory", useCurrentStamping)
     end
+    
+    return nil
 end
 
-
 debriefing_file_location = discoverDebriefingFilePath()
-logger:info(string.format("DCS Liberation state will be written as json to [[%s]]",debriefing_file_location))
-
 
 write_state_error_handling = function()
+    local _debriefing_file_location = debriefing_file_location
+    if not debriefing_file_location then 
+        _debriefing_file_location = "[nil]"
+        logger:error("Unable to find where to write DCS Liberation state")
+    end
+
     if pcall(write_state) then
-        -- messageAll("Written DCS Liberation state to "..debriefing_file_location)
     else
-	    messageAll("Unable to write DCS Liberation state to "..debriefing_file_location..
+	    messageAll("Unable to write DCS Liberation state to ".._debriefing_file_location..
                 "\nYou can abort the mission in DCS Liberation.\n"..
                 "\n\nPlease fix your setup in DCS Liberation, make sure you are pointing to the right installation directory from the File/Preferences menu. Then after fixing the path restart DCS Liberation, and then restart DCS."..
                 "\n\nYou can also try to fix the issue manually by replacing the file <dcs_installation_directory>/Scripts/MissionScripting.lua by the one provided there : <dcs_liberation_folder>/resources/scripts/MissionScripting.lua. And then restart DCS. (This will also have to be done again after each DCS update)"..
                 "\n\nIt's not worth playing, the state of the mission will not be recorded.")
     end
-end
 
-mist.scheduleFunction(write_state_error_handling, {}, timer.getTime() + 10, 60, timer.getTime() + 3600)
+    -- reschedule
+    mist.scheduleFunction(write_state_error_handling, {}, timer.getTime() + WRITESTATE_SCHEDULE_IN_SECONDS)
+end
 
 activeWeapons = {}
 local function onEvent(event)
    if event.id == world.event.S_EVENT_CRASH and event.initiator then
-       --messageAll("Destroyed  :" .. event.initiator.getName(event.initiator))
        killed_aircrafts[#killed_aircrafts + 1] = event.initiator.getName(event.initiator)
+       write_state()
    end
 
     if event.id == world.event.S_EVENT_DEAD and event.initiator then
@@ -118,15 +159,12 @@ local function onEvent(event)
         destruction.type = event.initiator:getTypeName()
         destruction.orientation = mist.getHeading(event.initiator) * 57.3
         destroyed_objects_positions[#destroyed_objects_positions + 1] = destruction
+        write_state()
     end
 
-    --if event.id == world.event.S_EVENT_SHOT and event.weapon then
-    --    weapons_fired[#weapons_fired + 1] = event.weapon.getTypeName(event.weapon)
-    --end
-
     if event.id == world.event.S_EVENT_BASE_CAPTURED and event.place then
-        --messageAll("Base captured  :" .. event.place.getName(event.place))
         base_capture_events[#base_capture_events + 1] = event.place.getID(event.place) .. "||" .. event.place.getCoalition(event.place) .. "||" .. event.place.getName(event.place)
+        write_state()
     end
 
     if event.id == world.event.S_EVENT_MISSION_END then
@@ -136,4 +174,7 @@ local function onEvent(event)
 
 end
 
-mist.addEventHandler(onEvent)
+mist.addEventHandler(onEvent)
+
+-- create the state.json file and start the scheduling
+write_state_error_handling()

resources/plugins/jtacautolase/jtacautolase-config.lua

@@ -9,17 +9,17 @@
 env.info("DCSLiberation|JTACAutolase plugin - configuration")
 
 if dcsLiberation then
-    env.info(string.format("DCSLiberation|JTACAutolase plugin - dcsLiberation"))
+    env.info("DCSLiberation|JTACAutolase plugin - dcsLiberation")
 
     -- specific options
     local smoke = false
 
     -- retrieve specific options values
     if dcsLiberation.plugins then
-        env.info(string.format("DCSLiberation|JTACAutolase plugin - dcsLiberation.plugins"))
+        env.info("DCSLiberation|JTACAutolase plugin - dcsLiberation.plugins")
     
         if dcsLiberation.plugins.jtacautolase then
-            env.info(string.format("DCSLiberation|JTACAutolase plugin - dcsLiberation.plugins.jtacautolase"))
+            env.info("DCSLiberation|JTACAutolase plugin - dcsLiberation.plugins.jtacautolase")
             smoke = dcsLiberation.plugins.jtacautolase.smoke
             env.info(string.format("DCSLiberation|JTACAutolase plugin - smoke = %s",tostring(smoke)))
         end
@@ -29,7 +29,7 @@ if dcsLiberation then
     for _, jtac in pairs(dcsLiberation.JTACs) do
         env.info(string.format("DCSLiberation|JTACAutolase plugin - setting up %s",jtac.dcsUnit))
         if JTACAutoLase then 
-            env.info(string.format("DCSLiberation|JTACAutolase plugin - calling dcsLiberation.JTACAutoLase"))
+            env.info("DCSLiberation|JTACAutolase plugin - calling JTACAutoLase")
             JTACAutoLase(jtac.dcsUnit, jtac.laserCode, smoke, 'vehicle') 
         end
     end