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Changing day length or date no longer changes time in minutes

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Add offset variables for scaled date ticks.
Adjust offset when changing day length or date, such that scaled
date ticks remain the same.
Store _scaled_tick_counter and scaled date ticks offset in the savagame.
This commit is contained in:
Jonathan G Rennison
2022-12-15 22:54:42 +00:00
parent 9038c849ab
commit 3877bb31ef
18 changed files with 127 additions and 48 deletions
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7
src/timetable_gui.cpp
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@@ -251,8 +251,9 @@ static void FillTimetableArrivalDepartureTable(const Vehicle *v, VehicleOrderID
*/
static void ChangeTimetableStartIntl(uint32 p1, DateTicksScaled date)
{
DateTicks date_part = date / _settings_game.economy.day_length_factor;
uint32 sub_ticks = date % _settings_game.economy.day_length_factor;
DateTicks date_part;
uint16 sub_ticks;
std::tie(date_part, sub_ticks) = ScaledDateTicksToDateTicksAndSubTicks(date);
DoCommandP(0, p1 | (sub_ticks << 21), (Ticks)(date_part - (((DateTicks)_date * DAY_TICKS) + _date_fract)), CMD_SET_TIMETABLE_START | CMD_MSG(STR_ERROR_CAN_T_TIMETABLE_VEHICLE));
}
@@ -815,7 +816,7 @@ struct TimetableWindow : GeneralVehicleWindow {
/* We are running towards the first station so we can start the
* timetable at the given time. */
SetDParam(0, STR_JUST_DATE_WALLCLOCK_TINY);
SetDParam(1, (((DateTicksScaled) v->timetable_start) * _settings_game.economy.day_length_factor) + v->timetable_start_subticks);
SetDParam(1, DateTicksToScaledDateTicks(v->timetable_start) + v->timetable_start_subticks);
DrawString(tr, STR_TIMETABLE_STATUS_START_AT);
} else if (!HasBit(v->vehicle_flags, VF_TIMETABLE_STARTED)) {
/* We aren't running on a timetable yet, so how can we be "on time"