/*
- piano-pedal-performer.cc -- implement Piano_pedal_performer
+ piano-pedal-performer.cc -- implement Piano_pedal_performer
source file of the GNU LilyPond music typesetter
#include "musical-request.hh"
#include "audio-item.hh"
-
-/*
- TODO:
- sostenuto
- una-chorda / tre-corde
- */
-
/**
perform Piano pedals
*/
class Piano_pedal_performer : public Performer
{
+ struct Pedal_info
+ {
+ char const *name_;
+ Span_req* start_req_l_;
+ Drul_array<Span_req*> req_l_drul_;
+ };
+
public:
- VIRTUAL_COPY_CONS (Translator);
+ TRANSLATOR_DECLARATIONS(Piano_pedal_performer);
+ ~Piano_pedal_performer ();
- Piano_pedal_performer ();
-
protected:
- virtual bool do_try_music (Music*);
- virtual void do_process_music ();
- virtual void do_pre_move_processing ();
- virtual void do_post_move_processing ();
+ virtual void initialize ();
+ virtual bool try_music (Music*);
+ virtual void create_audio_elements ();
+ virtual void stop_translation_timestep ();
+ virtual void start_translation_timestep ();
private:
Link_array<Audio_piano_pedal> audio_p_arr_;
- Span_req* sustain_start_req_l_;
- Drul_array<Span_req*> sustain_req_l_drul_;
+ Pedal_info * info_alist_;
};
-ADD_THIS_TRANSLATOR (Piano_pedal_performer);
-
Piano_pedal_performer::Piano_pedal_performer ()
{
- sustain_req_l_drul_[START] = 0;
- sustain_req_l_drul_[STOP] = 0;
- sustain_start_req_l_ = 0;
+ info_alist_ = 0;
+}
+
+Piano_pedal_performer::~Piano_pedal_performer ()
+{
+ delete[] info_alist_;
+}
+
+void
+Piano_pedal_performer::initialize ()
+{
+ info_alist_ = new Pedal_info[4];
+ Pedal_info *p = info_alist_;
+
+ char * names [] = { "Sostenuto", "Sustain", "UnaCorda", 0 };
+ char **np = names ;
+ do
+ {
+ p->name_ = *np;
+ p->req_l_drul_[START] = 0;
+ p->req_l_drul_[STOP] = 0;
+ p->start_req_l_ = 0;
+
+ p++;
+ }
+ while (* (np ++));
}
void
-Piano_pedal_performer::do_process_music ()
+Piano_pedal_performer::create_audio_elements ()
{
- if (sustain_req_l_drul_[STOP])
+ for (Pedal_info*p = info_alist_; p && p->name_; p ++)
+
{
- if (!sustain_start_req_l_)
+ if (p->req_l_drul_[STOP])
{
- sustain_req_l_drul_[STOP]->warning (_ ("can't find start of piano_pedal"));
+ if (!p->start_req_l_)
+ {
+ p->req_l_drul_[STOP]->origin ()->warning (_f ("can't find start of piano pedal: `%s'", String (p->name_)));
+ }
+ else
+ {
+ Audio_piano_pedal* a = new Audio_piano_pedal;
+ a->type_str_ = String (p->name_);
+ a->dir_ = STOP;
+ audio_p_arr_.push (a);
+ }
+ p->start_req_l_ = 0;
}
- else
+
+ if (p->req_l_drul_[START])
{
- Audio_piano_pedal* p = new Audio_piano_pedal;
- p->type_b_ = false;
- audio_p_arr_.push (p);
+ p->start_req_l_ = p->req_l_drul_[START];
+ Audio_piano_pedal* a = new Audio_piano_pedal;
+ a->type_str_ = String (p->name_);
+ a->dir_ = START;
+ audio_p_arr_.push (a);
}
- sustain_start_req_l_ = 0;
- }
-
- if (sustain_req_l_drul_[START])
- {
- sustain_start_req_l_ = sustain_req_l_drul_[START];
- Audio_piano_pedal* p = new Audio_piano_pedal;
- p->type_b_ = true;
- audio_p_arr_.push (p);
+ p->req_l_drul_[START] = 0;
+ p->req_l_drul_[STOP] = 0;
}
}
void
-Piano_pedal_performer::do_pre_move_processing ()
+Piano_pedal_performer::stop_translation_timestep ()
{
- for (int i=0; i < audio_p_arr_.size (); i++)
+ for (int i=0; i< audio_p_arr_.size (); i++)
play_element (audio_p_arr_[i]);
audio_p_arr_.clear ();
}
void
-Piano_pedal_performer::do_post_move_processing ()
+Piano_pedal_performer::start_translation_timestep ()
{
- sustain_req_l_drul_[STOP] = 0;
- sustain_req_l_drul_[START] = 0;
+ for (Pedal_info*p = info_alist_; p && p->name_; p ++)
+ {
+ p->req_l_drul_[STOP] = 0;
+ p->req_l_drul_[START] = 0;
+ }
}
bool
-Piano_pedal_performer::do_try_music (Music* r)
+Piano_pedal_performer::try_music (Music* r)
{
- if (Span_req * s = dynamic_cast<Span_req*>(r))
+ if (Span_req * s = dynamic_cast<Span_req*> (r))
{
- if (s->span_type_str_ == "sustain")
+ for (Pedal_info*p = info_alist_; p->name_; p ++)
{
- sustain_req_l_drul_[s->span_dir_] = s;
- return true;
+ if (scm_equal_p (s->get_mus_property ("span-type"),
+ ly_str02scm (p->name_)) == SCM_BOOL_T)
+ {
+ p->req_l_drul_[s->get_span_dir ()] = s;
+ return true;
+ }
}
}
return false;
}
+ENTER_DESCRIPTION (Piano_pedal_performer, "","","","","" );