mirror of https://github.com/OpenTTD/OpenTTD.git
123 lines
4.6 KiB
C
123 lines
4.6 KiB
C
/* $Id$ */
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/** @file news.h */
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#ifndef NEWS_H
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#define NEWS_H
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#include "window_type.h"
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#include "vehicle_type.h"
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#include "tile_type.h"
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#include "date_type.h"
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#include "strings_type.h"
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struct NewsItem {
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StringID string_id; ///< Message text (sometimes also used for storing other info)
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uint16 duration; ///< Remaining time for showing this news message
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Date date; ///< Date of the news
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byte flags; ///< NewsFlags bits @see NewsFlags
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byte display_mode; ///< Display mode value @see NewsMode
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byte type; ///< News category @see NewsType
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byte callback; ///< Call-back function
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TileIndex data_a; ///< Reference to tile or vehicle
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TileIndex data_b; ///< Reference to second tile or vehicle
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uint64 params[10];
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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(const NewsItem *ni);
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/**
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* Macro for creating news flags.
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* @param mode (bits 0 - 7) Display_mode, one of the NewsMode enums (NM_)
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* @param flag (bits 8 - 15) OR-able news flags, any of the NewsFlags enums (NF_)
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* @param type (bits 16-23) News category, one of the NewsType enums (NT_)
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* @param cb (bits 24-31) Call-back function, one of the NewsCallback enums (DNC_) or 0 if no callback
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* @see NewsMode
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* @see NewsFlags
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* @see NewsType
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* @see NewsCallback
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* @see AddNewsItem
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*/
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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 NewsLoop();
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void DrawNewsBorder(const Window *w);
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void InitNewsItemStructs();
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extern NewsItem _statusbar_news_item;
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extern uint32 _news_display_opt;
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extern bool _news_ticker_sound;
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/** Type of news. */
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enum NewsType {
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NT_ARRIVAL_PLAYER, ///< Cargo arrived for player
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NT_ARRIVAL_OTHER, ///< Cargo arrived for competitor
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NT_ACCIDENT, ///< An accident or disaster has occurred
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NT_COMPANY_INFO, ///< Company info (new companies, bankrupcy messages)
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NT_OPENCLOSE, ///< Opening and closing of industries
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NT_ECONOMY, ///< Economic changes (recession, industry up/dowm)
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NT_INDUSTRY_PLAYER, ///< Production changes of industry serviced by local player
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NT_INDUSTRY_OTHER, ///< Production changes of industry serviced by competitor(s)
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NT_INDUSTRY_NOBODY, ///< Other industry production changes
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NT_ADVICE, ///< Bits of news about vehicles of the player
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NT_NEW_VEHICLES, ///< New vehicle has become available
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NT_ACCEPTANCE, ///< A type of cargo is (no longer) accepted
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NT_SUBSIDIES, ///< News about subsidies (announcements, expirations, acceptance)
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NT_GENERAL, ///< General news (from towns)
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NT_END, ///< end-of-array marker
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};
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extern const char *_news_display_name[NT_END];
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/**
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* News mode.
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* @see NEWS_FLAGS
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*/
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enum NewsMode {
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NM_SMALL = 0, ///< Show only a small popup informing us about vehicle age for example
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NM_NORMAL = 1, ///< Show a simple news message (height 170 pixels)
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NM_THIN = 2, ///< Show a simple news message (height 130 pixels)
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NM_CALLBACK = 3, ///< Do some special processing before displaying news message. Which callback to call is in NewsCallback
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};
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/**
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* Various OR-able news-item flags.
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* note: NF_INCOLOR is set automatically if needed
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* @see NEWS_FLAGS
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*/
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enum NewsFlags {
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NF_VIEWPORT = (1 << 1), ///< Does the news message have a viewport? (ingame picture of happening)
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NF_TILE = (1 << 2), ///< When clicked on the news message scroll to a given tile? Tile is in data_a/data_b
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NF_VEHICLE = (1 << 3), ///< When clicked on the message scroll to the vehicle? VehicleID is in data_a
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NF_FORCE_BIG = (1 << 4), ///< Force the appearance of a news message if it has already been shown (internal)
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NF_INCOLOR = (1 << 5), ///< Show the newsmessage in colour, otherwise it defaults to black & white
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};
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/** Special news items */
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enum NewsCallback {
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DNC_VEHICLEAVAIL = 0, ///< Show new vehicle available message. StringID is EngineID
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DNC_BANKRUPCY = 1, ///< Show bankrupcy message. StringID is PlayerID (0-3) and NewsBankrupcy (4-7)
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};
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/** Kinds of bankrupcy */
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enum NewsBankrupcy {
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NB_BTROUBLE = (1 << 4), ///< Company is in trouble (warning)
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NB_BMERGER = (2 << 4), ///< Company has been bought by another company
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NB_BBANKRUPT = (3 << 4), ///< Company has gone bankrupt
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NB_BNEWCOMPANY = (4 << 4), ///< A new company has been started
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};
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/**
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* Delete a news item type about a vehicle
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* if the news item type is INVALID_STRING_ID all news about the vehicle get
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* deleted
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*/
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void DeleteVehicleNews(VehicleID, StringID news);
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#endif /* NEWS_H */
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