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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file news_func.h Functions related to news. */
#ifndef NEWS_FUNC_H
#define NEWS_FUNC_H
#include "news_type.h"
#include "vehicle_type.h"
#include "station_type.h"
#include "industry_type.h"
void AddNewsItem(StringID string, NewsSubtype subtype, NewsReferenceType reftype1 = NR_NONE, uint32 ref1 = UINT32_MAX, NewsReferenceType reftype2 = NR_NONE, uint32 ref2 = UINT32_MAX, void *free_data = NULL);
static inline void AddCompanyNewsItem(StringID string, NewsSubtype subtype, CompanyNewsInformation *cni)
{
AddNewsItem(string, subtype, NR_NONE, UINT32_MAX, NR_NONE, UINT32_MAX, cni);
}
/**
* Adds a newsitem referencing a vehicle.
*
* @warning
* Be careful!
* Vehicles are a special case, as news are kept when vehicles are autoreplaced/renewed.
* You have to make sure, #ChangeVehicleNews catches the DParams of your message.
* This is NOT ensured by the references.
*/
static inline void AddVehicleNewsItem(StringID string, NewsSubtype subtype, VehicleID vehicle, StationID station = INVALID_STATION)
{
AddNewsItem(string, subtype, NR_VEHICLE, vehicle, station == INVALID_STATION ? NR_NONE : NR_STATION, station);
}
static inline void AddIndustryNewsItem(StringID string, NewsSubtype subtype, IndustryID industry)
{
AddNewsItem(string, subtype, NR_INDUSTRY, industry);
}
void NewsLoop();
void InitNewsItemStructs();
extern const NewsItem *_statusbar_news_item;
extern bool _news_ticker_sound;
extern NewsTypeData _news_type_data[];
/**
* Delete a news item type about a vehicle
* if the news item type is INVALID_STRING_ID all news about the vehicle get
* deleted
*/
void DeleteVehicleNews(VehicleID vid, StringID news);
/** Delete news associated with given station */
void DeleteStationNews(StationID sid);
/** Delete news associated with given station */
void DeleteIndustryNews(IndustryID iid);
#endif /* NEWS_FUNC_H */
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