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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* instrument.cc
*
* Tue Jul 22 17:14:20 CEST 2008
* Copyright 2008 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "instrument.h"
#include <hugin.hpp>
#include "sample.h"
Instrument::Instrument(Settings& settings, Random& rand)
: settings(settings)
, rand(rand)
, sample_selection(settings, rand, powerlist)
{
DEBUG(instrument, "new %p\n", this);
mod = 1.0;
lastpos = 0;
magic = this;
}
Instrument::~Instrument()
{
magic = nullptr;
DEBUG(instrument, "delete %p\n", this);
}
bool Instrument::isValid() const
{
return this == magic;
}
const Sample* Instrument::sample(level_t level, float openness, std::size_t pos)
{
if(version >= VersionStr("2.0"))
{
// Version 2.0
return sample_selection.get(level * mod, openness, pos);
}
else
{
// Version 1.0
auto s = samples.get(level * mod);
if(s.size() == 0)
{
return nullptr;
}
return rand.choose(s);
}
}
void Instrument::addSample(level_t a, level_t b, const Sample* s)
{
samples.insert(a, b, s);
}
void Instrument::finalise()
{
if(version >= VersionStr("2.0"))
{
std::vector<Sample*>::iterator s = samplelist.begin();
while(s != samplelist.end())
{
powerlist.add(*s);
s++;
}
powerlist.finalise();
sample_selection.finalise();
}
}
std::size_t Instrument::getID() const
{
return id;
}
const std::string& Instrument::getName() const
{
return _name;
}
const std::string& Instrument::getDescription() const
{
return _description;
}
const std::string& Instrument::getGroup() const
{
return _group;
}
void Instrument::setGroup(const std::string& g)
{
_group = g;
}
std::size_t Instrument::getNumberOfFiles() const
{
DEBUG(instrument, "audiofiles.size() %d", (int)audiofiles.size());
// Note: Each AudioFile instance contains just a single channel even for
// multi-channel files.
return audiofiles.size();
}
float Instrument::getMaxPower() const
{
if(version >= VersionStr("2.0"))
{
return powerlist.getMaxPower();
}
else
{
return 1.0f;
}
}
float Instrument::getMinPower() const
{
if(version >= VersionStr("2.0"))
{
return powerlist.getMinPower();
}
else
{
return 0.0f;
}
}
const std::vector<Choke>& Instrument::getChokes()
{
return chokes;
}
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