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/* $Id$ */
#ifndef NEWS_H
#define NEWS_H
struct NewsItem {
StringID string_id;
uint16 duration;
uint16 date;
byte flags;
byte display_mode;
byte type;
byte callback;
TileIndex data_a;
TileIndex data_b;
uint32 params[10];
/* The validation functions for news items get called immediately
* before the news are supposed to be shown. If this funcion returns
* false, the news item won't be displayed. */
bool (*isValid) ( uint data_a, uint data_b );
};
typedef bool ValidationProc ( uint data_a, uint data_b );
typedef void DrawNewsCallbackProc(Window *w);
typedef StringID GetNewsStringCallbackProc(const NewsItem *ni);
#define NEWS_FLAGS(mode,flag,type,cb) ((cb)<<24 | (type)<<16 | (flag)<<8 | (mode))
void AddNewsItem(StringID string, uint32 flags, uint data_a, uint data_b);
void AddValidatedNewsItem(StringID string, uint32 flags, uint data_a, uint data_b, ValidationProc *validation);
void NewsLoop(void);
void DrawNewsBorder(const Window *w);
void InitNewsItemStructs(void);
VARDEF NewsItem _statusbar_news_item;
enum {
NT_ARRIVAL_PLAYER = 0,
NT_ARRIVAL_OTHER = 1,
NT_ACCIDENT = 2,
NT_COMPANY_INFO = 3,
NT_ECONOMY = 4,
NT_ADVICE = 5,
NT_NEW_VEHICLES = 6,
NT_ACCEPTANCE = 7,
NT_SUBSIDIES = 8,
NT_GENERAL = 9,
};
enum NewsMode {
NM_SMALL = 0,
NM_NORMAL = 1,
NM_THIN = 2,
NM_CALLBACK = 3,
};
enum NewsFlags {
NF_VIEWPORT = 1,
NF_TILE = 4,
NF_VEHICLE = 8,
NF_FORCE_BIG = 0x10,
NF_NOEXPIRE = 0x20,
NF_INCOLOR = 0x40,
};
enum {
DNC_TRAINAVAIL = 0,
DNC_ROADAVAIL = 1,
DNC_SHIPAVAIL = 2,
DNC_AIRCRAFTAVAIL = 3,
DNC_BANKRUPCY = 4,
};
#endif /* NEWS_H */
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