/* sleep.c

Sleep-timer code for DAMP.

By Matt Craven

(c)2000 Hedgehog Software

*/

/*======= i n c l u d e s =========================================*/

#include <stdio.h>

#include <string.h>

#include <allegro.h>

/*======= d a m p i n c l u d e s ===============================*/

#include "sleep.h"

#include "damp.h"

#include "util.h"

/*======= g l o b a l v a r i a b l e s =========================*/

int sleep_want_fade = FALSE; /* Want a fade-out? */

/*===================================================================

sleep_fadeout()

The fade function - it's a timer callback

=================================================================*/

void sleep_fadeout(void)

{

if(damp_volume > 0)

util_volume_down();

else

need_to_quit_program = TRUE;

}

END_OF_FUNCTION(sleep_fadeout);

/*===================================================================

sleep_timeout()

Another timer function. It either quits DAMP, or starts the

fade-out timer, depending on whether we wanted fading or not

=================================================================*/

void sleep_timeout(void)

{

remove_int(sleep_timeout);

if(sleep_want_fade)

install_int_ex(sleep_fadeout, BPS_TO_TIMER(2));

else

need_to_quit_program = TRUE;

}

END_OF_FUNCTION(sleep_timeout);

/*===================================================================

sleep_init(mins)

Initialises the sleep timer, ready to quit/fade after mins minutes

=================================================================*/

void sleep_init(int mins)

{

char txt[256];

LOCK_FUNCTION(sleep_timeout);

LOCK_FUNCTION(sleep_fadeout);

/* See if fading is required */

sprintf(txt,get_config_string("[options]","sleep_fade","yes"));

if(stricmp(txt,"YES") == 0)

sleep_want_fade = TRUE;

install_int_ex(sleep_timeout, SECS_TO_TIMER(mins*60));

}