Merge branch 'master' of git+ssh://jneem@git.sv.gnu.org/srv/git/lilypond

[lilypond.git] / lily / note-performer.cc

diff --git a/lily/note-performer.cc b/lily/note-performer.cc
index 5542c8e693a2919c63038e1078c834f4c1ca5ea9..ff296311ffead109a8de2936f8542a3170b8aa0d 100644 (file)
--- a/lily/note-performer.cc
+++ b/lily/note-performer.cc
@@ -3,71 +3,105 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1996,  1997--1999 Jan Nieuwenhuizen <janneke@gnu.org>
- */
+  (c) 1996--2007 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
 
-#include "note-performer.hh"
-#include "musical-request.hh"
+#include "performer.hh"
 #include "audio-item.hh"
-#include "debug.hh"
+#include "audio-column.hh"
+#include "global-context.hh"
+#include "stream-event.hh"
+#include "warn.hh"
 
+#include "translator.icc"
 
-ADD_THIS_TRANSLATOR (Note_performer);
-
-Note_performer::Note_performer ()
+/**
+   Convert evs to audio notes.
+*/
+class Note_performer : public Performer
 {
-}
+public:
+  TRANSLATOR_DECLARATIONS (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
-}
+protected:
+  void stop_translation_timestep ();
+  void process_music ();
 
-void 
-Note_performer::do_process_requests () 
+  DECLARE_TRANSLATOR_LISTENER (note);
+private:
+  vector<Stream_event*> note_evs_;
+  vector<Audio_note*> notes_;
+};
+
+void
+Note_performer::process_music ()
 {
-  if (note_req_l_arr_.size ())
+  if (note_evs_.size ())
     {
-      int transposing_i = 0;
-      //urg
-      Scalar prop = get_property ("transposing", 0);
-      if (!prop.empty_b () && prop.isnum_b ()) 
-       transposing_i = prop;
+      Pitch transposing;
+      SCM prop = get_property ("instrumentTransposition");
+      if (unsmob_pitch (prop))
+       transposing = *unsmob_pitch (prop);
 
-      while(note_req_l_arr_.size ())
+      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);
+         Stream_event *n = note_evs_.back ();
+         note_evs_.pop_back ();
+         SCM pit = n->get_property ("pitch");
+
+         if (Pitch *pitp = unsmob_pitch (pit))
+           {
+              SCM articulations = n->get_property ("articulations");
+              Stream_event *tie_event = 0;
+              for (SCM s = articulations;
+                   !tie_event && scm_is_pair (s);
+                   s = scm_cdr (s))
+                {
+                  Stream_event *ev = unsmob_stream_event (scm_car (s));
+                  if (!ev)
+                    continue;
+         
+                  if (ev->in_event_class ("tie-event"))
+                    tie_event = ev;
+                }
+
+             Moment len = get_event_length (n);
+             if (now_mom().grace_part_)
+               {
+                 len.grace_part_ = len.main_part_;
+                 len.main_part_ = Rational (0);
+               }
+             
+             Audio_note *p = new Audio_note (*pitp, len, 
+                                              tie_event, transposing.negated ());
+             Audio_element_info info (p, n);
+             announce_element (info);
+             notes_.push_back (p);
+           }
        }
+      note_evs_.clear ();
     }
 }
 
 void
-Note_performer::do_pre_move_processing ()
+Note_performer::stop_translation_timestep ()
 {
-  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 ();
+  // why don't grace notes show up here?
+  // --> grace notes effectively do not get delayed
+  notes_.clear ();
+  note_evs_.clear ();
 }
- 
-bool
-Note_performer::do_try_music (Music* req_l)
+
+IMPLEMENT_TRANSLATOR_LISTENER (Note_performer, note)
+void
+Note_performer::listen_note (Stream_event *ev)
+{
+  note_evs_.push_back (ev);
+}
+
+ADD_TRANSLATOR (Note_performer, "", "",
+               "", "");
+
+Note_performer::Note_performer ()
 {
-  if (Note_req *nr = dynamic_cast <Note_req *> (req_l))
-    {
-      note_req_l_arr_.push (nr);
-      return true;
-    }
-  return false;
 }