* GNUmakefile.in (EXTRA_DIST_FILES): remove VIM stuff.

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

diff --git a/lily/score-performer.cc b/lily/score-performer.cc
index 9e91c14b24993ff96dbac317f71f7dc22068a60e..927563a5759f0699f2096cf4c5bd3132cd5fa2b4 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 <janneke@gnu.org>
+  (c) 1996--2004 Jan Nieuwenhuizen <janneke@gnu.org>
  */
 
 #include "score-performer.hh"
@@ -13,89 +13,88 @@
 #include "performance.hh"
 #include "midi-stream.hh"
 #include "string-convert.hh"
-#include "debug.hh"
-#include "score.hh"
-#include "source-file.hh"
-#include "source.hh"
-#include "audio-staff.hh"
+#include "warn.hh"
+#include "context-def.hh"
 
-IMPLEMENT_IS_TYPE_B1(Score_performer,Performer_group_performer);
-ADD_THIS_TRANSLATOR(Score_performer);
 
 
-Score_performer::Score_performer()
+ENTER_DESCRIPTION(Score_performer,
+/* descr */       "",
+/* creats*/       "",
+/* accepts */     "",
+/* acks  */      "",
+/* reads */       "",
+/* write */       "");
+
+
+Score_performer::Score_performer ()
 {
+  performance_ = 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())) 
+  if (Audio_item * i=dynamic_cast<Audio_item *> (p)) 
     {
-      audio_column_l_->add_audio_item ((Audio_item*)p);
+      audio_column_->add_audio_item (i);
     }
-  else if (p->is_type_b (Audio_staff::static_name())) 
-    {
-      performance_p_->add_staff ((Audio_staff*)p);
-    }
-  performance_p_->add_element (p);
+  performance_->add_element (p);
 }
 
-void 
-Score_performer::prepare (Moment m)
+void
+Score_performer::announce_element (Audio_element_info info)
 {
-  Global_translator::prepare (m);
-  audio_column_l_ = new Audio_column (m);
-  performance_p_->add_column (audio_column_l_);
-  post_move_processing ();
+  announce_infos_.push (info);
 }
 
-
 void 
-Score_performer::process()
+Score_performer::prepare (Moment m)
 {
-  process_requests();
-  pre_move_processing();
-  check_removal();
+  audio_column_ = new Audio_column (m);
+  play_element (audio_column_);
+  recurse_down_translators (daddy_context_, &Translator::start_translation_timestep, UP);
 }
 
 void
-Score_performer::start()
+Score_performer::finish ()
 {
+  recurse_down_translators (daddy_context_, &Translator::finalize, UP);
 }
-
-
-int
-Score_performer::get_tempo_i() const
+  
+void 
+Score_performer::one_time_step ()
 {
-  return performance_p_->midi_l_->get_tempo_i (Moment (1, 4));
+  recurse_down_translators (daddy_context_, &Performer::process_music, UP);
+  recurse_down_translators (daddy_context_, &Performer::do_announces, UP);
+  recurse_down_translators (daddy_context_, &Translator::stop_translation_timestep, UP);
 }
 
-void
-Score_performer::finish()
+int
+Score_performer::get_tempo () const
 {
-  check_removal ();
-  removal_processing();
+  return performance_->midi_->get_tempo (Moment (Rational (1, 4)));
 }
 
+
 Music_output *
-Score_performer::get_output_p ()
+Score_performer::get_output ()
 {
-  Music_output * o = performance_p_;
-  performance_p_ =0;
+  Music_output * o = performance_;
+  performance_ =0;
   return o;
 }
 
 void
-Score_performer::do_add_processing ()
+Score_performer::initialize ()
 {
-  Translator_group::do_add_processing ();
-  assert (output_def_l_->is_type_b (Midi_def::static_name ()));
-  performance_p_ = new Performance;
-  performance_p_->midi_l_ = (Midi_def*) output_def_l_;  
+  performance_ = new Performance;
+  performance_->midi_ = dynamic_cast<Midi_def*> (get_output_def ());
+
+  Translator_group::initialize ();
 }