1 #ifndef HAL_H

     2 #define HAL_H

     3 

     4 typedef struct {

     5 	char *(*start)(char **parm);

     6 	void (*stop)();

     7 } HalCommonDriver;

     8 

     9 typedef struct {

    10 	const char *(*start)(char **parm);

    11 	void (*stop)();

    12 	void (*make_dirty)(int left, int top, int width, int height);

    13 	int (*main_loop)();

    14 	bool (*change_resolution)(int w, int h);

    15 } HalVideoDriver;

    16 

    17 enum {

    18 	ML_QUIT = 0,

    19 	ML_SWITCHDRIVER = 1,

    20 };

    21 

    22 typedef struct {

    23 	char *(*start)(char **parm);

    24 	void (*stop)();

    25 } HalSoundDriver;

    26 

    27 typedef struct {

    28 	char *(*start)(char **parm);

    29 	void (*stop)();

    30 

    31 	void (*play_song)(const char *filename);

    32 	void (*stop_song)();

    33 	bool (*is_song_playing)();

    34 	void (*set_volume)(byte vol);

    35 } HalMusicDriver;

    36 

    37 typedef struct {

    38 	const char *name;

    39 	const char *longname;

    40 	const void *drv;

    41 	uint flags;

    42 } DriverDesc;

    43 

    44 enum {

    45 	HALERR_OK = 0,

    46 	HALERR_ERROR = 1,

    47 };

    48 

    49 extern const HalMusicDriver _null_music_driver;

    50 extern const HalVideoDriver _null_video_driver;

    51 extern const HalSoundDriver _null_sound_driver;

    52 

    53 VARDEF HalMusicDriver *_music_driver;

    54 VARDEF HalSoundDriver *_sound_driver;

    55 VARDEF HalVideoDriver *_video_driver;

    56 

    57 extern const DriverDesc _video_driver_descs[];

    58 extern const DriverDesc _sound_driver_descs[];

    59 extern const DriverDesc _music_driver_descs[];

    60 

    61 #if defined(WITH_SDL)

    62 extern const HalSoundDriver _sdl_sound_driver;

    63 extern const HalVideoDriver _sdl_video_driver;

    64 #endif

    65 

    66 #if defined(UNIX)

    67 extern const HalMusicDriver _extmidi_music_driver;

    68 #endif 

    69 

    70 #if defined(__BEOS__)

    71 extern const HalMusicDriver _bemidi_music_driver;

    72 #endif

    73 

    74 enum DriverType {

    75 	VIDEO_DRIVER = 0,

    76 	SOUND_DRIVER = 1,

    77 	MUSIC_DRIVER = 2,

    78 };

    79 

    80 extern void GameLoop();

    81 extern bool _dbg_screen_rect;

    82 

    83 void LoadDriver(int driver, const char *name);

    84 

    85 char *GetDriverParam(char **parm, const char *name);

    86 bool GetDriverParamBool(char **parm, const char *name);

    87 int GetDriverParamInt(char **parm, const char *name, int def);

    88 

    89 

    90 

    91 // Deals with finding savegames

    92 typedef struct {

    93 	uint16 id;

    94 	byte type;

    95 	uint64 mtime;

    96 	char title[64];

    97 	char name[256-12-64];

    98 	int old_extension;

    99 } FiosItem;

   100 

   101 // extensions of old savegames, scenarios

   102 static const char* const _old_extensions[] = {

   103 	// old savegame types

   104 	"ss1", // Transport Tycoon Deluxe preset game

   105 	"sv1", // Transport Tycoon Deluxe (Patch) saved game

   106 	"sv2", // Transport Tycoon Deluxe (Patch) saved 2-player game

   107 	// old scenario game type

   108 	"sv0", // Transport Tycoon Deluxe (Patch) scenario

   109 	"ss0", // Transport Tycoon Deluxe preset scenario

   110 };

   111 

   112 enum {

   113 	FIOS_TYPE_DRIVE = 0,

   114 	FIOS_TYPE_PARENT = 1,

   115 	FIOS_TYPE_DIR = 2,

   116 	FIOS_TYPE_FILE = 3,

   117 	FIOS_TYPE_OLDFILE = 4,

   118 	FIOS_TYPE_SCENARIO = 5,

   119 	FIOS_TYPE_OLD_SCENARIO = 6,

   120 };

   121 

   122 // get the name of an oldstyle savegame

   123 void GetOldSaveGameName(char *title, const char *file);

   124 // get the name of an oldstyle scenario

   125 void GetOldScenarioGameName(char *title, const char *file);

   126 

   127 // Get a list of savegames

   128 FiosItem *FiosGetSavegameList(int *num, int mode);

   129 // Get a list of scenarios

   130 FiosItem *FiosGetScenarioList(int *num, int mode);

   131 // Free the list of savegames

   132 void FiosFreeSavegameList();

   133 // Browse to. Returns a filename w/path if we reached a file.

   134 char *FiosBrowseTo(const FiosItem *item);

   135 // Get descriptive texts.

   136 // Returns a path as well as a

   137 //  string describing the path.

   138 StringID FiosGetDescText(char **path);

   139 // Delete a name

   140 void FiosDelete(const char *name);

   141 // Make a filename from a name

   142 void FiosMakeSavegameName(char *buf, const char *name);

   143 

   144 void CreateConsole();

   145 

   146 #endif /* HAL_H */