1

/* $Id$ */

     2

     3

#ifndef NEWS_H

     4

#define NEWS_H

     5

     6

struct NewsItem {

     7

	StringID string_id;

     8

	uint16 duration;

     9

	Date date;

    10

	byte flags;

    11

	byte display_mode;

    12

	byte type;

    13

	byte callback;

    14

    15

	TileIndex data_a;

    16

	TileIndex data_b;

    17

    18

	uint32 params[10];

    19

};

    20

    21

typedef bool ValidationProc ( uint data_a, uint data_b );

    22

typedef void DrawNewsCallbackProc(Window *w);

    23

typedef StringID GetNewsStringCallbackProc(const NewsItem *ni);

    24

    25

#define NEWS_FLAGS(mode,flag,type,cb) ((cb)<<24 | (type)<<16 | (flag)<<8 | (mode))

    26

void AddNewsItem(StringID string, uint32 flags, uint data_a, uint data_b);

    27

void NewsLoop(void);

    28

void DrawNewsBorder(const Window *w);

    29

void InitNewsItemStructs(void);

    30

    31

VARDEF NewsItem _statusbar_news_item;

    32

    33

enum NewsType {

    34

	NT_ARRIVAL_PLAYER,

    35

	NT_ARRIVAL_OTHER,

    36

	NT_ACCIDENT,

    37

	NT_COMPANY_INFO,

    38

	NT_OPENCLOSE,

    39

	NT_ECONOMY,

    40

	NT_ADVICE,

    41

	NT_NEW_VEHICLES,

    42

	NT_ACCEPTANCE,

    43

	NT_SUBSIDIES,

    44

	NT_GENERAL,

    45

	NT_END,

    46

};

    47

    48

extern const char *_news_display_name[NT_END];

    49

    50

enum NewsMode {

    51

	NM_SMALL    = 0, ///< Show only a small popup informing us about vehicle age for example

    52

	NM_NORMAL   = 1, ///< Show a simple news message (height 170 pixels)

    53

	NM_THIN     = 2, ///< Show a simple news message (height 130 pixels)

    54

	NM_CALLBACK = 3, ///< Do some special processing before displaying news message. Which callback to call is in NewsCallback

    55

};

    56

    57

enum NewsFlags {

    58

	NF_VIEWPORT  = (1 << 1), ///< Does the news message have a viewport? (ingame picture of happening)

    59

	NF_TILE      = (1 << 2), ///< When clicked on the news message scroll to a given tile? Tile is in data_a/data_b

    60

	NF_VEHICLE   = (1 << 3), ///< When clicked on the message scroll to the vehicle? VehicleID is in data_a

    61

	NF_FORCE_BIG = (1 << 4), ///< Force the appearance of a news message if it has already been shown (internal)

    62

	NF_INCOLOR   = (1 << 5), ///< Show the newsmessage in colour, otherwise it defaults to black & white

    63

};

    64

    65

enum NewsCallback {

    66

	DNC_VEHICLEAVAIL  = 0, ///< Show new vehicle available message. StringID is EngineID

    67

	DNC_BANKRUPCY     = 1, ///< Show bankrupcy message. StringID is PlayerID (0-3) and NewsBankrupcy (4-7)

    68

};

    69

    70

enum NewsBankrupcy {

    71

	NB_BTROUBLE    = (1 << 4), ///< Company is in trouble (warning)

    72

	NB_BMERGER     = (2 << 4), ///< Company has been bought by another company

    73

	NB_BBANKRUPT   = (3 << 4), ///< Company has gone bankrupt

    74

	NB_BNEWCOMPANY = (4 << 4), ///< A new company has been started

    75

};

    76

    77

/**

    78

 * Delete a news item type about a vehicle

    79

 * if the news item type is INVALID_STRING_ID all news about the vehicle get

    80

 * deleted

    81

 */

    82

void DeleteVehicleNews(VehicleID, StringID news);

    83

    84

#endif /* NEWS_H */