/*
* When a song is skipped or played successfully, song feedback
* should occur. This routine alters these statistics and also
* ensures that the global statistics are kept up to date.
*/
void feedback( song_info_t *song, short direction ) {
double rating = get_rating( song->stat );
database_info.sum -= rating;
database_info.sqr_sum -= rating * rating;
if( direction < 0 ) {
database_info.skip_sqr_sum -= song->stat.skip_count * song->stat.skip_count;
song->stat.skip_count++;
database_info.skip_sum++;
database_info.skip_sqr_sum += song->stat.skip_count * song->stat.skip_count;
} else {
database_info.play_sqr_sum -= song->stat.play_count * song->stat.play_count;
song->stat.play_count++;
database_info.play_sum++;
database_info.play_sqr_sum += song->stat.play_count * song->stat.play_count;
}
song->stat.changed = 1;
rating = get_rating( song->stat );
database_info.sum += rating;
database_info.sqr_sum += rating * rating;
save_song( song );
}
void
init_song ( void )
{
if ( ! midi_is_active() )
setup_jack();
if ( !( nsm && nsm->is_active() ) )
song.filename = NULL;
clear_song();
if ( nsm && nsm->is_active() )
save_song( song.filename );
}
/** process any queued events */
void
Lash::process ( void )
{
lash_event_t *e;
char *name;
while ( ( e = lash_get_event( _client ) ) )
{
asprintf( &name, "%s/%s", lash_event_get_string( e ), "song.non" );
const int t = lash_event_get_type ( e );
switch ( t )
{
case LASH_Save_File:
{
MESSAGE( "LASH wants us to save \"%s\"", name );
save_song( name );
lash_send_event( _client, lash_event_new_with_type( LASH_Save_File ) );
break;
}
case LASH_Restore_File:
{
MESSAGE( "LASH wants us to load \"%s\"", name );
if ( ! load_song( name ) )
/* FIXME: should we tell lash that we couldn't load the song? */;
lash_send_event( _client, lash_event_new_with_type( LASH_Restore_File ) );
break;
}
case LASH_Quit:
MESSAGE( "LASH wants us to quit" );
quit();
break;
default:
WARNING( "unhandled LASH event (%d)", t );
}
lash_event_destroy( e );
}
}
