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(svn r20528) -Fix: in old savegames aircraft can have an invalid state

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yexo 2010-08-17 21:46:25 +00:00
parent cc45b99866
commit afb60ec59c
1 changed files with 20 additions and 0 deletions
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20
src/saveload/afterload.cpp
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@ -2226,6 +2226,26 @@ bool AfterLoadGame()
FOR_ALL_DEPOTS(d) d->build_date = _date;
}
/* In old versions it was possible to remove an airport while a plane was
* taking off or landing. This gives all kind of problems when building
* another airport in the same station so we don't allow that anymore.
* For old savegames with such aircraft we just throw them in the air and
* treat the aircraft like they were flying already. */
if (CheckSavegameVersion(146)) {
Aircraft *v;
FOR_ALL_AIRCRAFT(v) {
if (!v->IsNormalAircraft()) continue;
Station *st = GetTargetAirportIfValid(v);
if (st == NULL && v->state != FLYING) {
v->state = FLYING;
UpdateAircraftCache(v);
AircraftNextAirportPos_and_Order(v);
/* get aircraft back on running altitude */
if ((v->vehstatus & VS_CRASHED) == 0) SetAircraftPosition(v, v->x_pos, v->y_pos, GetAircraftFlyingAltitude(v));
}
}
}
/* Road stops is 'only' updating some caches */
AfterLoadRoadStops();
AfterLoadLabelMaps();