cpp/openttd-patchpack/source Files · src/news_func.h

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yexo

(svn r16502) -Fix [FS#2935]: when an AI was suspended while in a function called (indirectly) via call/acall/pcall OpenTTD crashed. Fix this by disallowing AIs to be suspended while called via call/acall/pcall.
IMPORTANT FOR AI WRITERS: AIs can no longer call any DoCommand functions (change anything, build vehicles, etc.) in a function called (indirectly) via call/acall/pcall. Where possible, please rewrite your code so it doesn't use call/acall/pcall

/* $Id$ */

/** @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);
}

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 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 */