src/news_type.h

   1 /* $Id$ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
   6  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   7  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
   8  */
   9
  10 /** @file news_type.h Types related to news. */
  11
  12 #ifndef NEWS_TYPE_H
  13 #define NEWS_TYPE_H
  14
  15 #include "core/enum_type.hpp"
  16 #include "date_type.h"
  17 #include "strings_type.h"
  18 #include "sound_type.h"
  19
  20 /** Constants in the message options window. */
  21 enum MessageOptionsSpace {
  22         MOS_WIDG_PER_SETTING      = 4,  ///< Number of widgets needed for each news category, starting at widget #WID_MO_START_OPTION.
  23
  24         MOS_LEFT_EDGE             = 6,  ///< Number of pixels between left edge of the window and the options buttons column.
  25         MOS_COLUMN_SPACING        = 4,  ///< Number of pixels between the buttons and the description columns.
  26         MOS_RIGHT_EDGE            = 6,  ///< Number of pixels between right edge of the window and the options descriptions column.
  27         MOS_BUTTON_SPACE          = 10, ///< Additional space in the button with the option value (for better looks).
  28
  29         MOS_ABOVE_GLOBAL_SETTINGS = 6,  ///< Number of vertical pixels between the categories and the global options.
  30         MOS_BOTTOM_EDGE           = 6,  ///< Number of pixels between bottom edge of the window and bottom of the global options.
  31 };
  32
  33 /**
  34  * Type of news.
  35  */
  36 enum NewsType {
  37         NT_ARRIVAL_COMPANY, ///< First vehicle arrived for company
  38         NT_ARRIVAL_OTHER,   ///< First vehicle arrived for competitor
  39         NT_ACCIDENT,        ///< An accident or disaster has occurred
  40         NT_COMPANY_INFO,    ///< Company info (new companies, bankruptcy messages)
  41         NT_INDUSTRY_OPEN,   ///< Opening of industries
  42         NT_INDUSTRY_CLOSE,  ///< Closing of industries
  43         NT_ECONOMY,         ///< Economic changes (recession, industry up/dowm)
  44         NT_INDUSTRY_COMPANY,///< Production changes of industry serviced by local company
  45         NT_INDUSTRY_OTHER,  ///< Production changes of industry serviced by competitor(s)
  46         NT_INDUSTRY_NOBODY, ///< Other industry production changes
  47         NT_ADVICE,          ///< Bits of news about vehicles of the company
  48         NT_NEW_VEHICLES,    ///< New vehicle has become available
  49         NT_ACCEPTANCE,      ///< A type of cargo is (no longer) accepted
  50         NT_SUBSIDIES,       ///< News about subsidies (announcements, expirations, acceptance)
  51         NT_GENERAL,         ///< General news (from towns)
  52         NT_END,             ///< end-of-array marker
  53 };
  54
  55 /**
  56  * References to objects in news.
  57  *
  58  * @warning
  59  * Be careful!
  60  * Vehicles are a special case, as news are kept when vehicles are autoreplaced/renewed.
  61  * You have to make sure, #ChangeVehicleNews catches the DParams of your message.
  62  * This is NOT ensured by the references.
  63  */
  64 enum NewsReferenceType {
  65         NR_NONE,      ///< Empty reference
  66         NR_TILE,      ///< Reference tile.     Scroll to tile when clicking on the news.
  67         NR_VEHICLE,   ///< Reference vehicle.  Scroll to vehicle when clicking on the news. Delete news when vehicle is deleted.
  68         NR_STATION,   ///< Reference station.  Scroll to station when clicking on the news. Delete news when station is deleted.
  69         NR_INDUSTRY,  ///< Reference industry. Scroll to industry when clicking on the news. Delete news when industry is deleted.
  70         NR_TOWN,      ///< Reference town.     Scroll to town when clicking on the news.
  71         NR_ENGINE,    ///< Reference engine.
  72 };
  73
  74 /**
  75  * Various OR-able news-item flags.
  76  * @note #NF_INCOLOUR is set automatically if needed.
  77  */
  78 enum NewsFlag {
  79         NFB_INCOLOUR       = 0,                      ///< News item is shown in colour (otherwise it is shown in black & white).
  80         NFB_NO_TRANSPARENT = 1,                      ///< News item disables transparency in the viewport.
  81         NFB_SHADE          = 2,                      ///< News item uses shaded colours.
  82         NFB_WINDOW_LAYOUT  = 3,                      ///< First bit for window layout.
  83         NFB_WINDOW_LAYOUT_COUNT = 3,                 ///< Number of bits for window layout.
  84         NFB_VEHICLE_PARAM0 = 6,                      ///< String param 0 contains a vehicle ID. (special autoreplace behaviour)
  85
  86         NF_INCOLOUR       = 1 << NFB_INCOLOUR,       ///< Bit value for coloured news.
  87         NF_NO_TRANSPARENT = 1 << NFB_NO_TRANSPARENT, ///< Bit value for disabling transparency.
  88         NF_SHADE          = 1 << NFB_SHADE,          ///< Bit value for enabling shading.
  89         NF_VEHICLE_PARAM0 = 1 << NFB_VEHICLE_PARAM0, ///< Bit value for specifying that string param 0 contains a vehicle ID. (special autoreplace behaviour)
  90
  91         NF_THIN           = 0 << NFB_WINDOW_LAYOUT,  ///< Thin news item. (Newspaper with headline and viewport)
  92         NF_SMALL          = 1 << NFB_WINDOW_LAYOUT,  ///< Small news item. (Information window with text and viewport)
  93         NF_NORMAL         = 2 << NFB_WINDOW_LAYOUT,  ///< Normal news item. (Newspaper with text only)
  94         NF_VEHICLE        = 3 << NFB_WINDOW_LAYOUT,  ///< Vehicle news item. (new engine available)
  95         NF_COMPANY        = 4 << NFB_WINDOW_LAYOUT,  ///< Company news item. (Newspaper with face)
  96 };
  97 DECLARE_ENUM_AS_BIT_SET(NewsFlag)
  98
  99
 100 /**
 101  * News display options
 102  */
 103 enum NewsDisplay {
 104         ND_OFF,        ///< Only show a reminder in the status bar
 105         ND_SUMMARY,    ///< Show ticker
 106         ND_FULL,       ///< Show newspaper
 107 };
 108
 109 /**
 110  * Per-NewsType data
 111  */
 112 struct NewsTypeData {
 113         const char * const name;    ///< Name
 114         const byte age;             ///< Maximum age of news items (in days)
 115         const SoundFx sound;        ///< Sound
 116
 117         /**
 118          * Construct this entry.
 119          * @param name The name of the type.
 120          * @param age The maximum age for these messages.
 121          * @param sound The sound to play.
 122          */
 123         NewsTypeData(const char *name, byte age, SoundFx sound) :
 124                 name(name),
 125                 age(age),
 126                 sound(sound)
 127         {
 128         }
 129
 130         NewsDisplay GetDisplay() const;
 131 };
 132
 133 /** Information about a single item of news. */
 134 struct NewsItem {
 135         NewsItem *prev;              ///< Previous news item
 136         NewsItem *next;              ///< Next news item
 137         StringID string_id;          ///< Message text
 138         Date date;                   ///< Date of the news
 139         NewsType type;               ///< Type of the news
 140         NewsFlag flags;              ///< NewsFlags bits @see NewsFlag
 141
 142         NewsReferenceType reftype1;  ///< Type of ref1
 143         NewsReferenceType reftype2;  ///< Type of ref2
 144         uint32 ref1;                 ///< Reference 1 to some object: Used for a possible viewport, scrolling after clicking on the news, and for deleteing the news when the object is deleted.
 145         uint32 ref2;                 ///< Reference 2 to some object: Used for scrolling after clicking on the news, and for deleteing the news when the object is deleted.
 146
 147         void *free_data;             ///< Data to be freed when the news item has reached its end.
 148
 149         ~NewsItem()
 150         {
 151                 free(this->free_data);
 152         }
 153
 154         uint64 params[10]; ///< Parameters for string resolving.
 155 };
 156
 157 /**
 158  * Data that needs to be stored for company news messages.
 159  * The problem with company news messages are the custom name
 160  * of the companies and the fact that the company data is reset,
 161  * resulting in wrong names and such.
 162  */
 163 struct CompanyNewsInformation {
 164         char company_name[64];       ///< The name of the company
 165         char president_name[64];     ///< The name of the president
 166         char other_company_name[64]; ///< The name of the company taking over this one
 167
 168         uint32 face; ///< The face of the president
 169         byte colour; ///< The colour related to the company
 170
 171         void FillData(const struct Company *c, const struct Company *other = NULL);
 172 };
 173
 174 #endif /* NEWS_TYPE_H */