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Add setting to disable vehicle expiry after a given year

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This commit is contained in:
Jonathan G Rennison
2020-07-01 20:36:40 +01:00
parent 7ccbb6cf16
commit 38d42795c8
5 changed files with 36 additions and 5 deletions
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20
src/engine.cpp
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@@ -578,6 +578,18 @@ static bool IsWagon(EngineID index)
return e->type == VEH_TRAIN && e->u.rail.railveh_type == RAILVEH_WAGON;
}
static void RetireEngineIfPossible(Engine *e, int age_threshold)
{
if (_settings_game.vehicle.no_expire_vehicles_after > 0) {
YearMonthDay ymd;
ConvertDateToYMD(e->intro_date, &ymd);
if ((ymd.year * 12) + ymd.month + age_threshold >= _settings_game.vehicle.no_expire_vehicles_after * 12) return;
}
e->company_avail = 0;
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
}
/**
* Update #Engine::reliability and (if needed) update the engine GUIs.
* @param e %Engine to update.
@@ -592,8 +604,7 @@ static void CalcEngineReliability(Engine *e)
uint retire_early_max_age = max(0, e->duration_phase_1 + e->duration_phase_2 - retire_early * 12);
if (retire_early != 0 && age >= retire_early_max_age) {
/* Early retirement is enabled and we're past the date... */
e->company_avail = 0;
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
RetireEngineIfPossible(e, retire_early_max_age);
}
}
@@ -608,12 +619,11 @@ static void CalcEngineReliability(Engine *e)
uint max = e->reliability_max;
e->reliability = (int)age * (int)(e->reliability_final - max) / e->duration_phase_3 + max;
} else {
e->reliability = e->reliability_final;
/* time's up for this engine.
* We will now completely retire this design */
e->company_avail = 0;
e->reliability = e->reliability_final;
/* Kick this engine out of the lists */
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
RetireEngineIfPossible(e, e->duration_phase_1 + e->duration_phase_2 + e->duration_phase_3);
}
SetWindowClassesDirty(WC_BUILD_VEHICLE); // Update to show the new reliability
SetWindowClassesDirty(WC_REPLACE_VEHICLE);