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/* $Id$ */

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#ifndef HAL_H

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#define HAL_H

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typedef struct {

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

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	void (*stop)(void);

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} HalCommonDriver;

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typedef struct {

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

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	void (*stop)(void);

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

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	void (*main_loop)(void);

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

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	void (*toggle_fullscreen)(bool fullscreen);

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} HalVideoDriver;

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typedef struct {

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

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	void (*stop)(void);

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} HalSoundDriver;

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typedef struct {

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

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	void (*stop)(void);

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

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	void (*stop_song)(void);

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	bool (*is_song_playing)(void);

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	void (*set_volume)(byte vol);

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} HalMusicDriver;

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VARDEF HalMusicDriver *_music_driver;

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VARDEF HalSoundDriver *_sound_driver;

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VARDEF HalVideoDriver *_video_driver;

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enum DriverType {

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	VIDEO_DRIVER = 0,

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	SOUND_DRIVER = 1,

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	MUSIC_DRIVER = 2,

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};

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extern void GameLoop(void);

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// Deals with finding savegames

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typedef struct {

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	byte type;

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	uint64 mtime;

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	char title[64];

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	char name[256-12-64];

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} FiosItem;

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enum {

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	FIOS_TYPE_DRIVE = 0,

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	FIOS_TYPE_PARENT = 1,

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	FIOS_TYPE_DIR = 2,

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	FIOS_TYPE_FILE = 3,

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	FIOS_TYPE_OLDFILE = 4,

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	FIOS_TYPE_SCENARIO = 5,

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	FIOS_TYPE_OLD_SCENARIO = 6,

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	FIOS_TYPE_DIRECT = 7,

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};

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// Variables to display file lists

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FiosItem *_fios_list;

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int _fios_num;

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int _saveload_mode;

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// get the name of an oldstyle savegame

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

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// get the name of an oldstyle scenario

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

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// Get a list of savegames

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

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// Get a list of scenarios

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

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// Free the list of savegames

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void FiosFreeSavegameList(void);

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

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char *FiosBrowseTo(const FiosItem *item);

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// Return path, free space and stringID

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StringID FiosGetDescText(const char **path, uint32 *tot);

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// Delete a name

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bool FiosDelete(const char *name);

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// Make a filename from a name

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

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int CDECL compare_FiosItems(const void *a, const void *b);

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void CreateConsole(void);

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#endif /* HAL_H */