/*
- note-performer.cc -- implement Drum_note_performer
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1996--2014 Jan Nieuwenhuizen <janneke@gnu.org>
- (c) 1996--2004 Jan Nieuwenhuizen <janneke@gnu.org>
- */
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
#include "performer.hh"
-#include "event.hh"
#include "audio-item.hh"
#include "audio-column.hh"
#include "global-context.hh"
+#include "stream-event.hh"
+#include "translator.icc"
#include "warn.hh"
-class Drum_note_performer : public Performer {
+class Drum_note_performer : public Performer
+{
public:
TRANSLATOR_DECLARATIONS (Drum_note_performer);
-
+
protected:
- virtual bool try_music (Music *ev) ;
- virtual void stop_translation_timestep ();
- virtual void create_audio_elements ();
+ void stop_translation_timestep ();
+ void process_music ();
+ DECLARE_TRANSLATOR_LISTENER (note);
private:
- Link_array<Music> note_evs_;
- Link_array<Audio_note> notes_;
- Link_array<Audio_note> delayeds_;
+ vector<Stream_event *> note_evs_;
};
-void
-Drum_note_performer::create_audio_elements ()
+Drum_note_performer::Drum_note_performer ()
{
- SCM tab =0;
- if (!tab) tab = get_property ("drumPitchTable");
-
+}
+
+void
+Drum_note_performer::process_music ()
+{
+ SCM tab = get_property ("drumPitchTable");
+
while (note_evs_.size ())
{
- Music* n = note_evs_.pop ();
+ Stream_event *n = note_evs_.back ();
+ note_evs_.pop_back ();
SCM sym = n->get_property ("drum-type");
SCM defn = SCM_EOL;
if (scm_is_symbol (sym)
- && (scm_hash_table_p (tab) == SCM_BOOL_T))
- defn = scm_hashq_ref (tab, sym, SCM_EOL);
-
- if (Pitch * pit = unsmob_pitch (defn))
- {
- Audio_note* p = new Audio_note (*pit, n->get_length (), 0);
- Audio_element_info info (p, n);
- announce_element (info);
- notes_.push (p);
- }
+ && (scm_hash_table_p (tab) == SCM_BOOL_T))
+ defn = scm_hashq_ref (tab, sym, SCM_EOL);
+
+ if (Pitch *pit = unsmob_pitch (defn))
+ {
+ SCM articulations = n->get_property ("articulations");
+ Stream_event *tie_event = 0;
+ Moment len = get_event_length (n, now_mom ());
+ int velocity = 0;
+ for (SCM s = articulations; 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;
+ SCM f = ev->get_property ("midi-length");
+ if (ly_is_procedure (f))
+ len = robust_scm2moment (scm_call_2 (f, len.smobbed_copy (),
+ context ()->self_scm ()),
+ len);
+ velocity += robust_scm2int (ev->get_property ("midi-extra-velocity"), 0);
+ }
+
+ Audio_note *p = new Audio_note (*pit, len,
+ tie_event, Pitch (0, 0), velocity);
+ Audio_element_info info (p, n);
+ announce_element (info);
+ }
}
-
+
note_evs_.clear ();
}
void
Drum_note_performer::stop_translation_timestep ()
{
- // why don't grace notes show up here?
- // --> grace notes effectively do not get delayed
- Global_context * global = get_global_context ();
- for (int i=0; i < notes_.size (); i++)
- {
- Audio_note* n = notes_[i];
- Moment m= n->delayed_until_mom_;
- if (m.to_bool ())
- {
- 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 < notes_.size (); i++)
- {
- play_element (notes_[i]);
- }
- notes_.clear ();
note_evs_.clear ();
- for (int i=0; i < delayeds_.size (); i++)
- {
- Audio_note* n = delayeds_[i];
- if (n->delayed_until_mom_ <= now)
- {
- play_element (n);
- delayeds_[i] = 0;
- delayeds_.del (i);
- i--;
- }
- }
}
-
-bool
-Drum_note_performer::try_music (Music* ev)
+
+IMPLEMENT_TRANSLATOR_LISTENER (Drum_note_performer, note);
+void
+Drum_note_performer::listen_note (Stream_event *ev)
{
- if (ev->is_mus_type ("note-event"))
- {
- note_evs_.push (ev);
- return true;
- }
- else if (ev->is_mus_type ("busy-playing-event"))
- return note_evs_.size ();
-
- return false;
+ note_evs_.push_back (ev);
}
-ENTER_DESCRIPTION (Drum_note_performer,
- "Play drum notes.","",
- "note-event busy-playing-event","","","");
+ADD_TRANSLATOR (Drum_note_performer,
+ /* doc */
+ "Play drum notes.",
-Drum_note_performer::Drum_note_performer ()
-{
-}
+ /* create */
+ "",
+
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );