Add websocket event stream for sim updates.

As a proof of concept this only covers the flight positions.

qt_ui/main.py

@@ -18,7 +18,7 @@ from game.data.weapons import Pylon, Weapon, WeaponGroup
 from game.db import FACTIONS
 from game.dcs.aircrafttype import AircraftType
 from game.profiling import logged_duration
-from game.server import GameContext, Server
+from game.server import EventStream, GameContext, Server
 from game.settings import Settings
 from game.theater.start_generator import GameGenerator, GeneratorSettings, ModSettings
 from qt_ui import (
@@ -137,6 +137,7 @@ def run_ui(game: Optional[Game]) -> None:
     # Apply CSS (need works)
     GameUpdateSignal()
     GameUpdateSignal.get_instance().game_loaded.connect(GameContext.set)
+    GameUpdateSignal.get_instance().game_loaded.connect(EventStream.drain)
 
     # Start window
     window = QLiberationWindow(game)

qt_ui/widgets/map/model/flightjs.py

@@ -17,6 +17,7 @@ from .waypointjs import WaypointJs
 
 
 class FlightJs(QObject):
+    idChanged = Signal()
     positionChanged = Signal()
     flightPlanChanged = Signal()
     blueChanged = Signal()
@@ -50,6 +51,10 @@ class FlightJs(QObject):
         self.ato_model = ato_model
         self._waypoints = self.make_waypoints()
 
+    @Property(str, notify=idChanged)
+    def id(self) -> str:
+        return str(self.flight.id)
+
     def update_waypoints(self) -> None:
         for waypoint in self._waypoints:
             waypoint.timingChanged.emit()

qt_ui/widgets/map/model/mapmodel.py

@@ -125,12 +125,6 @@ class MapModel(QObject):
         self.cleared.emit()
 
     def on_sim_update(self, events: GameUpdateEvents) -> None:
-        # TODO: Only update flights with changes.
-        # We have the signal of which flights have updates, but no fast lookup for
-        # Flight -> FlightJs since Flight isn't hashable. Faster to update every flight
-        # than do do the O(n^2) filtered update.
-        for flight in self._flights.values():
-            flight.positionChanged.emit()
         for combat in events.new_combats:
             self.on_add_combat(combat)
         for combat in events.updated_combats:

qt_ui/windows/QLiberationWindow.py

@@ -20,6 +20,7 @@ from PySide2.QtWidgets import (
 import qt_ui.uiconstants as CONST
 from game import Game, VERSION, persistency
 from game.debriefing import Debriefing
+from game.server import EventStream
 from qt_ui import liberation_install
 from qt_ui.dialogs import Dialog
 from qt_ui.models import GameModel
@@ -50,6 +51,7 @@ class QLiberationWindow(QMainWindow):
 
         self.game = game
         self.sim_controller = SimController(self.game)
+        self.sim_controller.sim_update.connect(EventStream.put_nowait)
         self.game_model = GameModel(game, self.sim_controller)
         Dialog.set_game(self.game_model)
         self.ato_panel = QAirTaskingOrderPanel(self.game_model)