DrumkitComponent.cpp

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/*
 * Hydrogen
 * Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net]
 * Copyright(c) 2008-2025 The hydrogen development team [hydrogen-devel@lists.sourceforge.net]
 *
 * http://www.hydrogen-music.org
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program. If not, see https://www.gnu.org/licenses
 *
 */
 
#include <core/Basics/DrumkitComponent.h>
 
#include <cassert>
#include <memory>
 
#include <core/Hydrogen.h>
 
#include <core/Helpers/Xml.h>
#include <core/Helpers/Filesystem.h>
 
#include <core/Basics/Adsr.h>
#include <core/Basics/Sample.h>
#include <core/Basics/Drumkit.h>
#include <core/Basics/Instrument.h>
#include <core/Basics/InstrumentList.h>
#include <core/Basics/InstrumentLayer.h>
 
namespace H2Core
{
 
 
DrumkitComponent::DrumkitComponent( const int id, const QString& name )
        : __id( id )
        , __name( name )
        , __volume( 1.0 )
        , __muted( false )
        , __soloed( false )
        , __out_L( nullptr )
        , __out_R( nullptr )
        , __peak_l( 0.0 )
        , __peak_r( 0.0 )
{
        __out_L = new float[ MAX_BUFFER_SIZE ];
        __out_R = new float[ MAX_BUFFER_SIZE ];
}
 
DrumkitComponent::DrumkitComponent( std::shared_ptr<DrumkitComponent> other )
        : __id( other->get_id() )
        , __name( other->get_name() )
        , __volume( other->__volume )
        , __muted( other->__muted )
        , __soloed( other->__soloed )
        , __out_L( nullptr )
        , __out_R( nullptr )
        , __peak_l( 0.0 )
        , __peak_r( 0.0 )
{
        __out_L = new float[ MAX_BUFFER_SIZE ];
        __out_R = new float[ MAX_BUFFER_SIZE ];
}
 
DrumkitComponent::~DrumkitComponent()
{
        delete[] __out_L;
        delete[] __out_R;
}
 
void DrumkitComponent::reset_outs( uint32_t nFrames )
{
        memset( __out_L, 0, nFrames * sizeof( float ) );
        memset( __out_R, 0, nFrames * sizeof( float ) );
}
 
float DrumkitComponent::get_out_L( int nBufferPos )
{
        return __out_L[nBufferPos];
}
 
float DrumkitComponent::get_out_R( int nBufferPos )
{
        return __out_R[nBufferPos];
}
 
void DrumkitComponent::load_from( std::shared_ptr<DrumkitComponent> component )
{
        this->set_id( component->get_id() );
        this->set_name( component->get_name() );
        this->set_muted( component->is_muted() );
        this->set_volume( component->get_volume() );
}
 
std::shared_ptr<DrumkitComponent> DrumkitComponent::load_from(
        XMLNode* node, bool* pLegacyFormatEncountered )
{
        int id = node->read_int( "id", EMPTY_INSTR_ID, false, false );
        if ( id==EMPTY_INSTR_ID ) {
                if ( pLegacyFormatEncountered != nullptr ) {
                        *pLegacyFormatEncountered = true;
                }
 
                return nullptr;
        }
 
        auto pDrumkitComponent =
                std::make_shared<DrumkitComponent>( id, node->read_string( "name", "", false, false ) );
        pDrumkitComponent->set_volume( node->read_float( "volume", 1.0f, true, false ) );
 
        return pDrumkitComponent;
}
 
void DrumkitComponent::save_to( XMLNode* node )
{
        XMLNode ComponentNode = node->createNode( "drumkitComponent" );
        ComponentNode.write_int( "id", __id );
        ComponentNode.write_string( "name", __name );
        ComponentNode.write_float( "volume", __volume );
}
 
QString DrumkitComponent::toQString( const QString& sPrefix, bool bShort ) const {
        QString s = Base::sPrintIndention;
        QString sOutput;
        if ( ! bShort ) {
                sOutput = QString( "%1[DrumkitComponent]\n" ).arg( sPrefix )
                        .append( QString( "%1%2id: %3\n" ).arg( sPrefix ).arg( s ).arg( __id ) )
                        .append( QString( "%1%2name: %3\n" ).arg( sPrefix ).arg( s ).arg( __name ) )
                        .append( QString( "%1%2volume: %3\n" ).arg( sPrefix ).arg( s ).arg( __volume ) )
                        .append( QString( "%1%2muted: %3\n" ).arg( sPrefix ).arg( s ).arg( __muted ) )
                        .append( QString( "%1%2soloed: %3\n" ).arg( sPrefix ).arg( s ).arg( __soloed ) )
                        .append( QString( "%1%2peak_l: %3\n" ).arg( sPrefix ).arg( s ).arg( __peak_l ) )
                        .append( QString( "%1%2peak_r: %3\n" ).arg( sPrefix ).arg( s ).arg( __peak_r ) );
        } else {
 
                sOutput = QString( "[DrumkitComponent]" )
                        .append( QString( " id: %1" ).arg( __id ) )
                        .append( QString( ", name: %1" ).arg( __name ) )
                        .append( QString( ", volume: %1" ).arg( __volume ) )
                        .append( QString( ", muted: %1" ).arg( __muted ) )
                        .append( QString( ", soloed: %1" ).arg( __soloed ) )
                        .append( QString( ", peak_l: %1" ).arg( __peak_l ) )
                        .append( QString( ", peak_r: %1" ).arg( __peak_r ) );
        }
        return sOutput;
}
 
};