(svn r1) Import of revision 975 of old (crashed) SVN

hal.h

@@ -0,0 +1,146 @@
+#ifndef HAL_H
+#define HAL_H
+
+typedef struct {
+	char *(*start)(char **parm);
+	void (*stop)();
+} HalCommonDriver;
+
+typedef struct {
+	const char *(*start)(char **parm);
+	void (*stop)();
+	void (*make_dirty)(int left, int top, int width, int height);
+	int (*main_loop)();
+	bool (*change_resolution)(int w, int h);
+} HalVideoDriver;
+
+enum {
+	ML_QUIT = 0,
+	ML_SWITCHDRIVER = 1,
+};
+
+typedef struct {
+	char *(*start)(char **parm);
+	void (*stop)();
+} HalSoundDriver;
+
+typedef struct {
+	char *(*start)(char **parm);
+	void (*stop)();
+
+	void (*play_song)(const char *filename);
+	void (*stop_song)();
+	bool (*is_song_playing)();
+	void (*set_volume)(byte vol);
+} HalMusicDriver;
+
+typedef struct {
+	const char *name;
+	const char *longname;
+	const void *drv;
+	uint flags;
+} DriverDesc;
+
+enum {
+	HALERR_OK = 0,
+	HALERR_ERROR = 1,
+};
+
+extern const HalMusicDriver _null_music_driver;
+extern const HalVideoDriver _null_video_driver;
+extern const HalSoundDriver _null_sound_driver;
+
+VARDEF HalMusicDriver *_music_driver;
+VARDEF HalSoundDriver *_sound_driver;
+VARDEF HalVideoDriver *_video_driver;
+
+extern const DriverDesc _video_driver_descs[];
+extern const DriverDesc _sound_driver_descs[];
+extern const DriverDesc _music_driver_descs[];
+
+#if defined(WITH_SDL)
+extern const HalSoundDriver _sdl_sound_driver;
+extern const HalVideoDriver _sdl_video_driver;
+#endif
+
+#if defined(UNIX)
+extern const HalMusicDriver _extmidi_music_driver;
+#endif 
+
+#if defined(__BEOS__)
+extern const HalMusicDriver _bemidi_music_driver;
+#endif
+
+enum DriverType {
+	VIDEO_DRIVER = 0,
+	SOUND_DRIVER = 1,
+	MUSIC_DRIVER = 2,
+};
+
+extern void GameLoop();
+extern bool _dbg_screen_rect;
+
+void LoadDriver(int driver, const char *name);
+
+char *GetDriverParam(char **parm, const char *name);
+bool GetDriverParamBool(char **parm, const char *name);
+int GetDriverParamInt(char **parm, const char *name, int def);
+
+
+
+// Deals with finding savegames
+typedef struct {
+	uint16 id;
+	byte type;
+	uint64 mtime;
+	char title[64];
+	char name[256-12-64];
+	int old_extension;
+} FiosItem;
+
+// extensions of old savegames, scenarios
+static const char* const _old_extensions[] = {
+	// old savegame types
+	"ss1", // Transport Tycoon Deluxe preset game
+	"sv1", // Transport Tycoon Deluxe (Patch) saved game
+	"sv2", // Transport Tycoon Deluxe (Patch) saved 2-player game
+	// old scenario game type
+	"sv0", // Transport Tycoon Deluxe (Patch) scenario
+	"ss0", // Transport Tycoon Deluxe preset scenario
+};
+
+enum {
+	FIOS_TYPE_DRIVE = 0,
+	FIOS_TYPE_PARENT = 1,
+	FIOS_TYPE_DIR = 2,
+	FIOS_TYPE_FILE = 3,
+	FIOS_TYPE_OLDFILE = 4,
+	FIOS_TYPE_SCENARIO = 5,
+	FIOS_TYPE_OLD_SCENARIO = 6,
+};
+
+// get the name of an oldstyle savegame
+void GetOldSaveGameName(char *title, const char *file);
+// get the name of an oldstyle scenario
+void GetOldScenarioGameName(char *title, const char *file);
+
+// Get a list of savegames
+FiosItem *FiosGetSavegameList(int *num, int mode);
+// Get a list of scenarios
+FiosItem *FiosGetScenarioList(int *num, int mode);
+// Free the list of savegames
+void FiosFreeSavegameList();
+// Browse to. Returns a filename w/path if we reached a file.
+char *FiosBrowseTo(const FiosItem *item);
+// Get descriptive texts.
+// Returns a path as well as a
+//  string describing the path.
+StringID FiosGetDescText(char **path);
+// Delete a name
+void FiosDelete(const char *name);
+// Make a filename from a name
+void FiosMakeSavegameName(char *buf, const char *name);
+
+void CreateConsole();
+
+#endif /* HAL_H */