release: 1.2.11

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

diff --git a/lily/score-performer.cc b/lily/score-performer.cc
index 7d596f90b935d719421c2993e23c1274e0c0ecc0..b69dcbe5b78f21702c7e29680b0ac115901aff3f 100644 (file)
--- a/lily/score-performer.cc
+++ b/lily/score-performer.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1996,  1997--1998 Jan Nieuwenhuizen <jan@digicash.com>
+  (c) 1996,  1997--1999 Jan Nieuwenhuizen <janneke@gnu.org>
  */
 
 #include "score-performer.hh"
@@ -19,31 +19,43 @@
 #include "source.hh"
 #include "audio-staff.hh"
 
-IMPLEMENT_IS_TYPE_B1(Score_performer,Performer_group_performer);
-ADD_THIS_TRANSLATOR(Score_performer);
 
+ADD_THIS_TRANSLATOR (Score_performer);
 
-Score_performer::Score_performer()
+
+Score_performer::Score_performer ()
 {
+  performance_p_ = 0;
 }
 
 
-Score_performer::~Score_performer()
+Score_performer::~Score_performer ()
 {
 }
 
 void
-Score_performer::play (Audio_element * p)
+Score_performer::play_element (Audio_element * p)
 {
-  if  (p->is_type_b (Audio_item::static_name())) 
-    {
-      audio_column_l_->add ((Audio_item*)p);
-    }
-  else if (p->is_type_b (Audio_staff::static_name())) 
+  if  (Audio_item * i=dynamic_cast<Audio_item *> (p)) 
     {
-      performance_p_->add_staff ((Audio_staff*)p);
+      audio_column_l_->add_audio_item (i);
     }
-  performance_p_->add (p);
+  performance_p_->add_element (p);
+}
+
+void
+Score_performer::announce_element (Audio_element_info info)
+{
+  announce_info_arr_.push (info);
+  info.origin_trans_l_arr_.push (this);
+
+  /*
+    huh?
+    copied from score-engraver, but
+    this way staff gets in list twice
+  if (Audio_item* i = dynamic_cast<Audio_item*> (info.elem_l_))
+    performance_p_->add_element (i);
+  */
 }
 
 void 
@@ -51,7 +63,7 @@ Score_performer::prepare (Moment m)
 {
   Global_translator::prepare (m);
   audio_column_l_ = new Audio_column (m);
-  performance_p_->add (audio_column_l_);
+  play_element (audio_column_l_);
   post_move_processing ();
 }
 
@@ -60,6 +72,7 @@ void
 Score_performer::process()
 {
   process_requests();
+  do_announces ();
   pre_move_processing();
   check_removal();
 }
@@ -95,7 +108,7 @@ void
 Score_performer::do_add_processing ()
 {
   Translator_group::do_add_processing ();
-  assert (output_def_l_->is_type_b (Midi_def::static_name ()));
+  assert (dynamic_cast<Midi_def *> (output_def_l_));
   performance_p_ = new Performance;
-  performance_p_->midi_l_ = (Midi_def*) output_def_l_;  
+  performance_p_->midi_l_ = dynamic_cast<Midi_def*>(output_def_l_); 
 }