source file of the GNU LilyPond music typesetter
- (c) 1996, 1997--2000 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1996--2004 Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include "note-performer.hh"
-#include "musical-request.hh"
+#include "performer.hh"
+#include "event.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 ()
-{
-}
-
-void
-Note_performer::do_print () const
-{
-#ifndef NPRINT
- if (note_req_l_arr_.size()>0)
- for(int i=0;i<note_req_l_arr_.size();i++)
- note_req_l_arr_[i]->print ();
-#endif
-}
+#include "global-context.hh"
+#include "warn.hh"
+
+/**
+Convert evs to audio notes.
+*/
+class Note_performer : public Performer {
+public:
+ TRANSLATOR_DECLARATIONS (Note_performer);
+
+protected:
+ virtual bool try_music (Music *ev) ;
+
+ virtual void stop_translation_timestep ();
+ virtual void create_audio_elements ();
+
+private:
+ Link_array<Music> note_evs_;
+ Link_array<Audio_note> notes_;
+ Link_array<Audio_note> delayeds_;
+};
void
-Note_performer::do_process_music ()
+Note_performer::create_audio_elements ()
{
- 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;
- while (note_req_l_arr_.size ())
+ SCM prop = get_property ("instrumentTransposition");
+ if (unsmob_pitch (prop))
+ transposing = unsmob_pitch (prop)->semitone_pitch ();
+
+ while (note_evs_.size ())
{
- Note_req* n = note_req_l_arr_.pop ();
- Audio_note* p = new Audio_note (n->pitch_, 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 ()
-{
-}
-
-Global_translator*
-Note_performer::global_translator_l ()
-{
- Translator *t = this;
- Global_translator *global_l =0;
- do
- {
- t = t->daddy_trans_l_ ;
- global_l = dynamic_cast<Global_translator*> (t);
- }
- while (!global_l);
-
- return global_l;
-}
-
void
-Note_performer::do_pre_move_processing ()
+Note_performer::stop_translation_timestep ()
{
-
// 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++)
+ Global_context * global = get_global_context ();
+ for (int i=0; i < notes_.size (); i++)
{
- Audio_note* n = note_p_arr_[i];
- if (Moment m= n->delayed_until_mom_)
+ Audio_note* n = notes_[i];
+ Moment m= n->delayed_until_mom_;
+ if (m.to_bool ())
{
- global_l->add_moment_to_process (m);
- delayed_p_arr_.push (n);
- note_p_arr_[i] = 0;
- note_p_arr_.del (i);
+ global->add_moment_to_process (m);
+ delayeds_.push (n);
+ notes_[i] = 0;
+ notes_.del (i);
i--;
}
}
Moment now = now_mom ();
- for (int i=0; i < note_p_arr_.size (); i++)
+ for (int i=0; i < notes_.size (); i++)
{
- play_element (note_p_arr_[i]);
+ play_element (notes_[i]);
}
- note_p_arr_.clear ();
- note_req_l_arr_.clear ();
- for (int i=0; i < delayed_p_arr_.size (); i++)
+ notes_.clear ();
+ note_evs_.clear ();
+ for (int i=0; i < delayeds_.size (); i++)
{
- Audio_note* n = delayed_p_arr_[i];
+ Audio_note* n = delayeds_[i];
if (n->delayed_until_mom_ <= now)
{
play_element (n);
- delayed_p_arr_[i] = 0;
- delayed_p_arr_.del (i);
+ delayeds_[i] = 0;
+ delayeds_.del (i);
i--;
}
}
}
bool
-Note_performer::do_try_music (Music* req_l)
+Note_performer::try_music (Music* ev)
{
- if (Note_req *nr = dynamic_cast <Note_req *> (req_l))
+ if (ev->is_mus_type ("note-event"))
{
- note_req_l_arr_.push (nr);
+ note_evs_.push (ev);
return true;
}
+ else if (ev->is_mus_type ("busy-playing-event"))
+ return note_evs_.size ();
+
return false;
}
+
+ENTER_DESCRIPTION (Note_performer,"","",
+ "note-event busy-playing-event","","","");
+
+Note_performer::Note_performer ()
+{
+}