/** Delete a news item from the queue */
static void DeleteNewsItem(NewsItem *ni)
{
/* Delete the news from the news queue. */
if (ni->prev != NULL) {
ni->prev->next = ni->next;
} else {
assert(_oldest_news == ni);
_oldest_news = ni->next;
}
if (ni->next != NULL) {
ni->next->prev = ni->prev;
} else {
assert(_latest_news == ni);
_latest_news = ni->prev;
}
_total_news--;
if (_forced_news == ni || _current_news == ni || _statusbar_news_item == ni) {
/* When we're the current news, go to the previous item first;
* we just possibly made that the last news item. */
if (_current_news == ni) _current_news = ni->prev;
/* About to remove the currently forced item (shown as newspapers) ||
* about to remove the currently displayed item (newspapers, ticker, or just a reminder) */
MoveToNextItem();
}
delete ni;
SetWindowDirty(WC_MESSAGE_HISTORY, 0);
}
/** Delete a news item from the queue */
static void DeleteNewsItem(NewsItem *ni)
{
if (_forced_news == ni || _current_news == ni) {
/* about to remove the currently forced item (shown as newspapers) ||
* about to remove the currently displayed item (newspapers, ticker, or just a reminder) */
MoveToNextItem();
}
/* delete item */
if (ni->prev != NULL) {
ni->prev->next = ni->next;
} else {
assert(_oldest_news == ni);
_oldest_news = ni->next;
}
if (ni->next != NULL) {
ni->next->prev = ni->prev;
} else {
assert(_latest_news == ni);
_latest_news = ni->prev;
}
if (_current_news == ni) _current_news = ni->prev;
_total_news--;
delete ni;
SetWindowDirty(WC_MESSAGE_HISTORY, 0);
}
void NewsLoop()
{
/* no news item yet */
if (_total_news == 0) return;
/* There is no status bar, so no reason to show news;
* especially important with the end game screen when
* there is no status bar but possible news. */
if (FindWindowById(WC_STATUS_BAR, 0) == NULL) return;
static byte _last_clean_month = 0;
if (_last_clean_month != _cur_month) {
RemoveOldNewsItems();
_last_clean_month = _cur_month;
}
if (ReadyForNextItem()) MoveToNextItem();
}
