source file of the GNU LilyPond music typesetter
- (c) 1996--2000 Jan Nieuwenhuizen <janneke@gnu.org>
- */
+ (c) 1996--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
-#include "note-performer.hh"
-#include "musical-request.hh"
+#include "performer.hh"
#include "audio-item.hh"
#include "audio-column.hh"
-#include "global-translator.hh"
-#include "debug.hh"
-
-
-ADD_THIS_TRANSLATOR (Note_performer);
-
-Note_performer::Note_performer ()
+#include "global-context.hh"
+#include "warn.hh"
+#include "music.hh"
+
+/**
+ Convert evs to audio notes.
+*/
+class Note_performer : public Performer
{
-}
+public:
+ TRANSLATOR_DECLARATIONS (Note_performer);
+protected:
+ virtual bool try_music (Music *ev);
+ void stop_translation_timestep ();
+ void process_music ();
-void
-Note_performer::do_process_music ()
+private:
+ Link_array<Music> note_evs_;
+ Link_array<Audio_note> notes_;
+};
+
+void
+Note_performer::process_music ()
{
- if (note_req_l_arr_.size ())
+ if (note_evs_.size ())
{
- int transposing_i = 0;
- //urg
- SCM prop = get_property ("transposing");
- if (gh_number_p(prop))
- transposing_i = gh_scm2int (prop);
+ int transposing = 0;
+
+ SCM prop = get_property ("instrumentTransposition");
+ if (unsmob_pitch (prop))
+ transposing = unsmob_pitch (prop)->semitone_pitch ();
- while (note_req_l_arr_.size ())
+ while (note_evs_.size ())
{
- Note_req* n = note_req_l_arr_.pop ();
- Musical_pitch pit = * unsmob_pitch (n->get_mus_property ("pitch"));
- Audio_note* p = new Audio_note (pit, n->length_mom (), transposing_i);
- Audio_element_info info (p, n);
- announce_element (info);
- note_p_arr_.push (p);
+ Music *n = note_evs_.pop ();
+ SCM pit = n->get_property ("pitch");
+
+ if (Pitch *pitp = unsmob_pitch (pit))
+ {
+ Audio_note *p = new Audio_note (*pitp, n->get_length (), - transposing);
+ Audio_element_info info (p, n);
+ announce_element (info);
+ notes_.push (p);
+ }
}
+ note_evs_.clear ();
}
}
void
-Note_performer::process_acknowledged ()
+Note_performer::stop_translation_timestep ()
{
+ // why don't grace notes show up here?
+ // --> grace notes effectively do not get delayed
+ Moment now = now_mom ();
+ for (int i = 0; i < notes_.size (); i++)
+ play_element (notes_[i]);
+ notes_.clear ();
+ note_evs_.clear ();
}
-Global_translator*
-Note_performer::global_translator_l ()
+bool
+Note_performer::try_music (Music *ev)
{
- Translator *t = this;
- Global_translator *global_l =0;
- do
+ if (ev->is_mus_type ("note-event"))
{
- t = t->daddy_trans_l_ ;
- global_l = dynamic_cast<Global_translator*> (t);
+ note_evs_.push (ev);
+ return true;
}
- while (!global_l);
+ else if (ev->is_mus_type ("busy-playing-event"))
+ return note_evs_.size ();
- return global_l;
+ return false;
}
+#include "translator.icc"
-void
-Note_performer::do_pre_move_processing ()
-{
+ADD_TRANSLATOR (Note_performer, "", "",
+ "note-event "
+ "busy-playing-event",
+ "", "");
- // why don't grace notes show up here?
- // --> grace notes effectively do not get delayed
- Global_translator* global_l = global_translator_l ();
- for (int i=0; i < note_p_arr_.size (); i++)
- {
- Audio_note* n = note_p_arr_[i];
- if (Moment m= n->delayed_until_mom_)
- {
- global_l->add_moment_to_process (m);
- delayed_p_arr_.push (n);
- note_p_arr_[i] = 0;
- note_p_arr_.del (i);
- i--;
- }
- }
-
- Moment now = now_mom ();
- for (int i=0; i < note_p_arr_.size (); i++)
- {
- play_element (note_p_arr_[i]);
- }
- note_p_arr_.clear ();
- note_req_l_arr_.clear ();
- for (int i=0; i < delayed_p_arr_.size (); i++)
- {
- Audio_note* n = delayed_p_arr_[i];
- if (n->delayed_until_mom_ <= now)
- {
- play_element (n);
- delayed_p_arr_[i] = 0;
- delayed_p_arr_.del (i);
- i--;
- }
- }
-}
-
-bool
-Note_performer::do_try_music (Music* req_l)
+Note_performer::Note_performer ()
{
- if (Note_req *nr = dynamic_cast <Note_req *> (req_l))
- {
- note_req_l_arr_.push (nr);
- return true;
- }
- return false;
}