Tim Mayberry
8d039d3211
float <=> string conversions are now using PBD::to_string/string_to via XMLNode for locale independent conversion and these guards are not necessary.
284 lines
7.3 KiB
C++
284 lines
7.3 KiB
C++
/*
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Copyright (C) 2010 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "pbd/error.h"
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#include "ardour/speaker.h"
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#include "ardour/speakers.h"
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#include "pbd/i18n.h"
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using namespace ARDOUR;
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using namespace PBD;
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using namespace std;
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Speaker::Speaker (int i, const AngularVector& position)
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: id (i)
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{
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move (position);
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}
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Speaker::Speaker (Speaker const & o)
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: id (o.id)
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, _coords (o._coords)
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, _angles (o._angles)
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{
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}
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Speaker &
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Speaker::operator= (Speaker const & o)
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{
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if (&o == this) {
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return *this;
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}
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id = o.id;
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_coords = o._coords;
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_angles = o._angles;
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return *this;
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}
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void
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Speaker::move (const AngularVector& new_position)
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{
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_angles = new_position;
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_angles.cartesian (_coords);
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PositionChanged (); /* EMIT SIGNAL */
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}
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Speakers::Speakers ()
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{
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}
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Speakers::Speakers (const Speakers& s)
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: Stateful ()
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{
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_speakers = s._speakers;
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}
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Speakers::~Speakers ()
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{
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}
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Speakers&
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Speakers::operator= (const Speakers& s)
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{
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if (&s != this) {
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_speakers = s._speakers;
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}
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return *this;
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}
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void
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Speakers::dump_speakers (ostream& o)
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{
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for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
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o << "Speaker " << (*i).id << " @ "
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<< (*i).coords().x << ", " << (*i).coords().y << ", " << (*i).coords().z
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<< " azimuth " << (*i).angles().azi
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<< " elevation " << (*i).angles().ele
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<< " distance " << (*i).angles().length
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<< endl;
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}
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}
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void
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Speakers::clear_speakers ()
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{
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_speakers.clear ();
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update ();
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}
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int
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Speakers::add_speaker (const AngularVector& position)
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{
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int id = _speakers.size();
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_speakers.push_back (Speaker (id, position));
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update ();
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Changed ();
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return id;
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}
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void
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Speakers::remove_speaker (int id)
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{
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for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
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if (i->id == id) {
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i = _speakers.erase (i);
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update ();
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break;
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}
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}
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}
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void
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Speakers::move_speaker (int id, const AngularVector& new_position)
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{
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for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
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if ((*i).id == id) {
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(*i).move (new_position);
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update ();
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break;
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}
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}
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}
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void
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Speakers::setup_default_speakers (uint32_t n)
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{
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double o = 180.0;
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/* default assignment of speaker position for n speakers */
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assert (n>0);
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switch (n) {
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case 1:
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add_speaker (AngularVector (o +0.0, 0.0));
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break;
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case 2:
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add_speaker (AngularVector (o +60.0, 0.0));
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add_speaker (AngularVector (o -60.0, 0.0));
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break;
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case 3:
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add_speaker (AngularVector (o +60.0, 0.0));
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add_speaker (AngularVector (o -60.0, 0.0));
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add_speaker (AngularVector (o +180.0, 0.0));
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break;
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case 4:
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/* 4.0 with regular spacing */
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add_speaker (AngularVector (o +45.0, 0.0));
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add_speaker (AngularVector (o -45.0, 0.0));
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add_speaker (AngularVector (o +135.0, 0.0));
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add_speaker (AngularVector (o -135.0, 0.0));
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break;
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case 5:
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/* 5.0 with regular spacing */
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add_speaker (AngularVector (o +72.0, 0.0));
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add_speaker (AngularVector (o -72.0, 0.0));
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add_speaker (AngularVector (o +0.0, 0.0));
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add_speaker (AngularVector (o +144.0, 0.0));
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add_speaker (AngularVector (o -144.0, 0.0));
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break;
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case 6:
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/* 6.0 with regular spacing */
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add_speaker (AngularVector (o +60.0, 0.0));
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add_speaker (AngularVector (o -60.0, 0.0));
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add_speaker (AngularVector (o +0.0, 0.0));
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add_speaker (AngularVector (o +120.0, 0.0));
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add_speaker (AngularVector (o -120.0, 0.0));
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add_speaker (AngularVector (o +180.0, 0.0));
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break;
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case 7:
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/* 7.0 with regular front spacing */
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add_speaker (AngularVector (o +45.0, 0.0));
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add_speaker (AngularVector (o -45.0, 0.0));
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add_speaker (AngularVector (o +0.0, 0.0));
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add_speaker (AngularVector (o +90.0, 0.0));
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add_speaker (AngularVector (o -90.0, 0.0));
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add_speaker (AngularVector (o +150.0, 0.0));
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add_speaker (AngularVector (o -150.0, 0.0));
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break;
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case 10:
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/* 5+4 with 45°/90° spacing */
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add_speaker (AngularVector (o +45.0, 0.0));
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add_speaker (AngularVector (o -45.0, 0.0));
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add_speaker (AngularVector (o +0.0, 0.0));
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add_speaker (AngularVector (o +135.0, 0.0));
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add_speaker (AngularVector (o -135.0, 0.0));
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add_speaker (AngularVector (o +45.0, 60.0));
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add_speaker (AngularVector (o -45.0, 60.0));
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add_speaker (AngularVector (o +135.0, 60.0));
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add_speaker (AngularVector (o -135.0, 60.0));
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add_speaker (AngularVector (o +0.0, 90.0));
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break;
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default:
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{
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double degree_step = 360.0 / n;
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double deg;
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uint32_t i;
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/* even number of speakers? make sure the top two are either side of "top".
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otherwise, just start at the "top" (90.0 degrees) and rotate around
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*/
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if (n % 2) {
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deg = 360 + o + degree_step;
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} else {
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deg = 360 + o;
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}
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for (i = 0; i < n; ++i, deg -= degree_step) {
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add_speaker (AngularVector (fmod(deg, 360), 0.0));
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}
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}
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}
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}
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XMLNode&
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Speakers::get_state ()
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{
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XMLNode* node = new XMLNode (X_("Speakers"));
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for (vector<Speaker>::const_iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
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XMLNode* speaker = new XMLNode (X_("Speaker"));
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speaker->set_property (X_("azimuth"), (*i).angles().azi);
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speaker->set_property (X_("elevation"), (*i).angles().ele);
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speaker->set_property (X_("distance"), (*i).angles().length);
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node->add_child_nocopy (*speaker);
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}
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return *node;
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}
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int
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Speakers::set_state (const XMLNode& node, int /*version*/)
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{
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XMLNodeConstIterator i;
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_speakers.clear ();
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for (i = node.children().begin(); i != node.children().end(); ++i) {
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if ((*i)->name() == X_("Speaker")) {
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double a, e, d;
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if (!(*i)->get_property (X_("azimuth"), a) ||
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!(*i)->get_property (X_("elevation"), e) ||
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!(*i)->get_property (X_("distance"), d)) {
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warning << _("Speaker information is missing - speaker ignored") << endmsg;
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continue;
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}
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add_speaker (AngularVector (a, e, d));
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}
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}
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update ();
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return 0;
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}
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