Convert TOTs to datetime.

https://github.com/dcs-liberation/dcs_liberation/issues/1680

game/commander/missionscheduler.py

@@ -3,12 +3,12 @@ from __future__ import annotations
 import logging
 import random
 from collections import defaultdict
-from datetime import timedelta
-from typing import Iterator, Dict, TYPE_CHECKING
+from datetime import datetime, timedelta
+from typing import Iterator, TYPE_CHECKING
 
-from game.theater import MissionTarget
 from game.ato.flighttype import FlightType
 from game.ato.traveltime import TotEstimator
+from game.theater import MissionTarget
 
 if TYPE_CHECKING:
     from game.coalition import Coalition
@@ -19,7 +19,7 @@ class MissionScheduler:
         self.coalition = coalition
         self.desired_mission_length = desired_mission_length
 
-    def schedule_missions(self) -> None:
+    def schedule_missions(self, now: datetime) -> None:
         """Identifies and plans mission for the turn."""
 
         def start_time_generator(
@@ -35,7 +35,7 @@ class MissionScheduler:
             FlightType.TARCAP,
         }
 
-        previous_cap_end_time: Dict[MissionTarget, timedelta] = defaultdict(timedelta)
+        previous_cap_end_time: dict[MissionTarget, datetime] = defaultdict(now.replace)
         non_dca_packages = [
             p for p in self.coalition.ato.packages if p.primary_task not in dca_types
         ]
@@ -47,7 +47,7 @@ class MissionScheduler:
             margin=5 * 60,
         )
         for package in self.coalition.ato.packages:
-            tot = TotEstimator(package).earliest_tot()
+            tot = TotEstimator(package).earliest_tot(now)
             if package.primary_task in dca_types:
                 previous_end_time = previous_cap_end_time[package.target]
                 if tot > previous_end_time:
@@ -65,7 +65,7 @@ class MissionScheduler:
                     continue
                 previous_cap_end_time[package.target] = departure_time
             elif package.auto_asap:
-                package.set_tot_asap()
+                package.set_tot_asap(now)
             else:
                 # But other packages should be spread out a bit. Note that take
                 # times are delayed, but all aircraft will become active at