/**
* Shift all dates (join dates and edge annotations) of link graphs and link
* graph jobs by the number of days given.
* @param interval Number of days to be added or subtracted.
*/
void LinkGraphSchedule::ShiftDates(int interval)
{
LinkGraph *lg;
FOR_ALL_LINK_GRAPHS(lg) lg->ShiftDates(interval);
LinkGraphJob *lgj;
FOR_ALL_LINK_GRAPH_JOBS(lgj) lgj->ShiftJoinDate(interval);
}
/**
* Runs various procedures that have to be done yearly
*/
static void OnNewYear()
{
CompaniesYearlyLoop();
VehiclesYearlyLoop();
TownsYearlyLoop();
InvalidateWindowClassesData(WC_BUILD_STATION);
#ifdef ENABLE_NETWORK
if (_network_server) NetworkServerYearlyLoop();
#endif /* ENABLE_NETWORK */
if (_cur_year == _settings_client.gui.semaphore_build_before) ResetSignalVariant();
/* check if we reached end of the game */
if (_cur_year == ORIGINAL_END_YEAR) {
ShowEndGameChart();
/* check if we reached the maximum year, decrement dates by a year */
} else if (_cur_year == MAX_YEAR + 1) {
Vehicle *v;
int days_this_year;
_cur_year--;
days_this_year = IsLeapYear(_cur_year) ? DAYS_IN_LEAP_YEAR : DAYS_IN_YEAR;
_date -= days_this_year;
FOR_ALL_VEHICLES(v) v->date_of_last_service -= days_this_year;
LinkGraph *lg;
FOR_ALL_LINK_GRAPHS(lg) lg->ShiftDates(-days_this_year);
#ifdef ENABLE_NETWORK
/* Because the _date wraps here, and text-messages expire by game-days, we have to clean out
* all of them if the date is set back, else those messages will hang for ever */
NetworkInitChatMessage();
#endif /* ENABLE_NETWORK */
}
if (_settings_client.gui.auto_euro) CheckSwitchToEuro();
}