Add websocket event stream for sim updates.

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

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: