/*
- tie-performer.cc -- implement
+ tie-performer.cc -- implement Tie_performer
source file of the GNU LilyPond music typesetter
- (c) 1999 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1999--2000 Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include "tie-performer.hh"
#include "command-request.hh"
#include "audio-item.hh"
#include "musical-request.hh"
+#include "pqueue.hh"
+#include "performer.hh"
+
+struct CNote_melodic_tuple {
+ Melodic_req *req_l_ ;
+ Audio_note *note_l_;
+ Moment end_;
+ CNote_melodic_tuple ();
+ CNote_melodic_tuple (Audio_note*, Melodic_req*, Moment);
+ static int pitch_compare (CNote_melodic_tuple const &, CNote_melodic_tuple const &);
+ static int time_compare (CNote_melodic_tuple const &, CNote_melodic_tuple const &);
+};
+
+inline int compare (CNote_melodic_tuple const &a, CNote_melodic_tuple const &b)
+{
+ return CNote_melodic_tuple::time_compare (a,b);
+}
+
+
+/**
+ Manufacture ties. Acknowledge notes, and put them into a
+ priority queue. If we have a Tie_req, connect the notes that finish
+ just at this time, and note that start at this time.
+ TODO: should share code with Tie_engraver ?
+ */
+class Tie_performer : public Performer
+{
+public:
+ VIRTUAL_COPY_CONS(Translator);
+ Tie_performer ();
+private:
+ bool done_;
+ PQueue<CNote_melodic_tuple> past_notes_pq_;
+ Tie_req *req_l_;
+ Array<CNote_melodic_tuple> now_notes_;
+ Array<CNote_melodic_tuple> stopped_notes_;
+ Link_array<Audio_tie> tie_p_arr_;
+
+protected:
+ virtual void initialize ();
+ virtual void start_translation_timestep ();
+ virtual void stop_translation_timestep ();
+ virtual void acknowledge_grob (Audio_element_info);
+ virtual bool try_music (Music*);
+ virtual void create_grobs ();
+};
+
+
+Tie_performer::Tie_performer ()
+{
+ req_l_ = 0;
+ done_ = false;
+}
ADD_THIS_TRANSLATOR (Tie_performer);
-Tie_performer::Tie_performer()
+
+#if 0
+Tie_performer::Tie_performer ()
+{
+ // URG
+ // if we don't do this, lily dumps core
+ // which means that ``initialize'' and
+ // ``start_translation_timestep'' did not happen?!
+ initialize ();
+}
+#endif
+
+void
+Tie_performer::initialize ()
{
req_l_ = 0;
}
+
bool
-Tie_performer::do_try_music (Music *m)
+Tie_performer::try_music (Music *m)
{
- if (Tie_req * c = dynamic_cast<Tie_req*> (m))
+ if (!req_l_)
{
- req_l_ = c;
- return true;
+ if (Tie_req * c = dynamic_cast<Tie_req*> (m))
+ {
+ req_l_ = c;
+ return true;
+ }
}
return false;
}
void
-Tie_performer::acknowledge_element (Audio_element_info i)
+Tie_performer::acknowledge_grob (Audio_element_info i)
{
if (Audio_note *nh = dynamic_cast<Audio_note *> (i.elem_l_))
{
}
void
-Tie_performer::do_process_requests ()
+Tie_performer::create_grobs ()
{
- if (req_l_)
+ if (req_l_ && ! done_)
{
Moment now = now_mom ();
Link_array<Audio_note> nharr;
while (past_notes_pq_.size ()
&& past_notes_pq_.front ().end_ == now)
stopped_notes_.push (past_notes_pq_.get ());
+ done_ = true;
+ return;
}
-}
-void
-Tie_performer::process_acknowledged ()
-{
if (req_l_)
{
now_notes_.sort (CNote_melodic_tuple::pitch_compare);
while ( i < now_notes_.size () && j < stopped_notes_.size ())
{
int comp
- = Musical_pitch::compare (now_notes_[i].req_l_->pitch_ ,
- stopped_notes_[j].req_l_->pitch_);
+ = Pitch::compare (*unsmob_pitch (now_notes_[i].req_l_->get_mus_property ("pitch") ),
+ *unsmob_pitch (stopped_notes_[j].req_l_->get_mus_property ("pitch")));
if (comp)
{
if (!tie_p_arr_.size ())
{
- req_l_->warning (_("No ties were created!"));
+ req_l_->origin ()->warning (_("No ties were created!"));
}
-
}
}
void
-Tie_performer::do_pre_move_processing ()
+Tie_performer::stop_translation_timestep ()
{
for (int i=0; i < now_notes_.size (); i++)
{
}
void
-Tie_performer::do_post_move_processing ()
+Tie_performer::start_translation_timestep ()
{
req_l_ =0;
+ done_ = false;
Moment now = now_mom ();
while (past_notes_pq_.size () && past_notes_pq_.front ().end_ < now)
past_notes_pq_.delmin ();
CNote_melodic_tuple::pitch_compare (CNote_melodic_tuple const&h1,
CNote_melodic_tuple const &h2)
{
- return Melodic_req::compare (*h1.req_l_, *h2.req_l_);
+ SCM p1 = h1.req_l_->get_mus_property ("pitch");
+ SCM p2 = h2.req_l_->get_mus_property ("pitch");
+ return Pitch::compare (*unsmob_pitch (p1),
+ *unsmob_pitch (p2));
}
int