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/* $Id$ */

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/** @file news_type.h Types related to news. */

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#ifndef NEWS_TYPE_H

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#define NEWS_TYPE_H

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#include "date_type.h"

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#include "strings_type.h"

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#include "sound_type.h"

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/**

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 * Type of news.

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 */

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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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/**

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 * News subtypes.

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 */

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enum NewsSubtype {

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	NS_ARRIVAL_PLAYER,   ///< NT_ARRIVAL_PLAYER

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	NS_ARRIVAL_OTHER,    ///< NT_ARRIVAL_OTHER

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	NS_ACCIDENT_TILE,    ///< NT_ACCIDENT (tile)

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	NS_ACCIDENT_VEHICLE, ///< NT_ACCIDENT (vehicle)

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	NS_COMPANY_TROUBLE,  ///< NT_COMPANY_INFO (trouble)

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	NS_COMPANY_MERGER,   ///< NT_COMPANY_INFO (merger)

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	NS_COMPANY_BANKRUPT, ///< NT_COMPANY_INFO (bankrupt)

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	NS_COMPANY_NEW,      ///< NT_COMPANY_INFO (new company)

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	NS_OPENCLOSE,        ///< NT_OPENCLOSE

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	NS_ECONOMY,          ///< NT_ECONOMY

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	NS_INDUSTRY_PLAYER,  ///< NT_INDUSTRY_PLAYER

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	NS_INDUSTRY_OTHER,   ///< NT_INDUSTRY_OTHER

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	NS_INDUSTRY_NOBODY,  ///< NT_INDUSTRY_NOBODY

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	NS_ADVICE,           ///< NT_ADVICE

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	NS_NEW_VEHICLES,     ///< NT_NEW_VEHICLES

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	NS_ACCEPTANCE,       ///< NT_ACCEPTANCE

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	NS_SUBSIDIES,        ///< NT_SUBSIDIES

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	NS_GENERAL,          ///< NT_GENERAL

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	NS_END,              ///< end-of-array marker

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};

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/**

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 * News mode.

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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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 */

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enum NewsFlag {

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	NF_NONE      = 0,        ///< No flag is set.

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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

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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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	NF_TILE2     = (1 << 6), ///< There is a second tile to scroll to; tile is in data_b

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};

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DECLARE_ENUM_AS_BIT_SET(NewsFlag);

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/**

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 * News display options

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 */

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enum NewsDisplay {

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	ND_OFF,        ///< Only show a reminder in the status bar

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	ND_SUMMARY,    ///< Show ticker

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	ND_FULL,       ///< Show newspaper

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};

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/**

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 * Per-NewsType data

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 */

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struct NewsTypeData {

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	const char *const name; ///< Name

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	const byte age;         ///< Maximum age of news items (in days)

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	const SoundFx sound;    ///< Sound

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	NewsDisplay display;    ///< Display mode (off, summary, full)

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};

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struct NewsItem {

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	NewsItem *prev;        ///< Previous news item

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	NewsItem *next;        ///< Next news item

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	StringID string_id;    ///< Message text

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	Date date;             ///< Date of the news

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	NewsSubtype subtype;   ///< News subtype @see NewsSubtype

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	NewsFlag flags;        ///< NewsFlags bits @see NewsFlag

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	uint data_a;           ///< Custom data 1 (usually tile or vehicle)

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	uint data_b;           ///< Custom data 2

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	uint64 params[10];

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};

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#endif /* NEWS_TYPE_H */