diff options
Diffstat (limited to 'libstorycode/narrative.c')
| -rw-r--r-- | libstorycode/narrative.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libstorycode/narrative.c b/libstorycode/narrative.c index c9c94d6..6bedd30 100644 --- a/libstorycode/narrative.c +++ b/libstorycode/narrative.c @@ -766,6 +766,26 @@ static double timing_from_wordcount(struct narrative_item *item) } +/* Find the position (in units of narrative items) of time 'minutes' */ +double narrative_find_time_pos(Narrative *n, double minutes) +{ + int i; + double t = 0.0; + + if ( minutes == 0.0 ) return 0.0; + + for ( i=0; i<n->n_items; i++ ) { + double idur = n->items[i].estd_duration; + if ( t + idur > minutes ) { + /* It's in this item */ + return (double)i + (minutes - t)/idur; + } + t += n->items[i].estd_duration; + } + return n->n_items; +} + + void update_timing(struct narrative_item *item) { switch ( item->type ) { |