Cap squadron size, limit replenishment rate.

This caps squadrons to 12 pilots and limits their replenishment rate to
1 pilot per turn. Should probably make those values configurable, but
they aren't currently.

Fixes https://github.com/dcs-liberation/dcs_liberation/issues/1136

qt_ui/windows/AirWingDialog.py

@@ -48,10 +48,10 @@ class SquadronDelegate(TwoColumnRowDelegate):
             return self.squadron(index).nickname or ""
         elif (row, column) == (1, 1):
             squadron = self.squadron(index)
-            alive = squadron.number_of_living_pilots
             active = len(squadron.active_pilots)
             available = len(squadron.available_pilots)
-            return f"{alive} pilots, {active} active, {available} unassigned"
+            on_leave = len(squadron.pilots_on_leave)
+            return f"{active} active, {available} unassigned, {on_leave} on leave"
         return ""
 
 

qt_ui/windows/SquadronDialog.py

@@ -178,7 +178,9 @@ class SquadronDialog(QDialog):
         if self.check_disabled_button_states(self.toggle_leave_button, index):
             return
         pilot = self.squadron_model.pilot_at_index(index)
-        self.toggle_leave_button.setEnabled(True)
+        self.toggle_leave_button.setEnabled(
+            not pilot.on_leave or self.squadron_model.squadron.has_unfilled_pilot_slots
+        )
         self.toggle_leave_button.setText(
             "Return from leave" if pilot.on_leave else "Send on leave"
         )