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