#ifndef SOUND_H
#define SOUND_H


typedef struct _xsw_sound_struct	xsw_sound_struct;
#define XSW_SOUND(p)			((xsw_sound_struct *)(p))


/*
 *	Sound Server Types:
 */
#define SOUND_SERVER_TYPE_NONE		0
#define SOUND_SERVER_TYPE_YIFF		1
#define SOUND_SERVER_TYPE_ESOUND	2
#define SOUND_SERVER_TYPE_MIKMOD	3	/* Not supported */


/*
 *	Effects:
 */
#define SOUND_EFFECT_REPEATING		(1 << 4)


/*
 *	Sound Server Connection:
 */
struct _xsw_sound_struct {

        /* Sound server type (one of SOUND_SERVER_TYPE_*) */
        int		server_type;

        /* Script file that starts sound server */
        char		*start_cmd;

        /* Connection argument to connect to sound server */
        char		*con_arg;

        /* Pointer to the sound server connection */
        void		*con_data;

        /* Name of the current Audio mode (sound server specific) */
        char		*audio_mode_name;

	/* Compelte list of play IDs */
	void		**playid_list;
	int		nplayids;

        /* Current background music play ID and SndRef number */
        void		*bg_music_playid;      
        int		bg_music_sndref_num;   

	/* Loop play ID */

	void		*loop_tractor_beam_playid;

};

extern "C" xsw_sound_struct sound;


/* sound.cpp */
extern "C" int SoundInit(xsw_sound_struct *snd, const int server_type);
extern "C" int SoundChangeMode(xsw_sound_struct *snd, const char *mode_name);
extern "C" void *SoundPlay(
        xsw_sound_struct *snd, const int sndref_num,
        const float vol_left,		/* 0.0 to 1.0 */
        const float vol_right,		/* 0.0 to 1.0 */
        const unsigned int effects,
        const int priority		/* 0 or 1 */
);
extern "C" void SoundStop(xsw_sound_struct *snd, void *playid);
extern "C" int SoundChangeBackgroundMusic(
        xsw_sound_struct *snd, const int sndref_num,
        const unsigned int effects,	/* Any of SOUND_EFFECT_* */
        const int priority		/* 0 or 1 */
);
extern "C" int SoundStopBackgroundMusic(xsw_sound_struct *snd);
extern "C" int SoundManage(xsw_sound_struct *snd);
extern "C" void SoundShutdown(xsw_sound_struct *snd);


#endif	/* SOUND_H */