Extended arpeggiator functions (#2130)

include/InstrumentFunctionViews.h

@@ -78,6 +78,8 @@ private:
 	GroupBox * m_arpGroupBox;
 	ComboBox * m_arpComboBox;
 	Knob * m_arpRangeKnob;
+	Knob * m_arpSkipKnob;
+	Knob * m_arpMissKnob;
 	TempoSyncKnob * m_arpTimeKnob;
 	Knob * m_arpGateKnob;
 

include/InstrumentFunctions.h

@@ -196,6 +196,8 @@ private:
 	BoolModel m_arpEnabledModel;
 	ComboBoxModel m_arpModel;
 	FloatModel m_arpRangeModel;
+	FloatModel m_arpSkipModel;
+	FloatModel m_arpMissModel;
 	TempoSyncKnobModel m_arpTimeModel;
 	FloatModel m_arpGateModel;
 	ComboBoxModel m_arpDirectionModel;

include/NotePlayHandle.h

@@ -196,6 +196,12 @@ public:
 		return m_subNotes.size() > 0 || m_hadChildren;
 	}
 
+	void setMasterNote()
+	{
+		m_hadChildren = true;
+		setUsesBuffer( false );
+	}
+
 	/*! Returns whether note is muted */
 	bool isMuted() const
 	{

src/core/InstrumentFunctions.cpp

@@ -268,8 +268,6 @@ void InstrumentFunctionNoteStacking::processNote( NotePlayHandle * _n )
 			}
 		}
 	}
-
-
 }
 
 
@@ -303,6 +301,8 @@ InstrumentFunctionArpeggio::InstrumentFunctionArpeggio( Model * _parent ) :
 	m_arpEnabledModel( false ),
 	m_arpModel( this, tr( "Arpeggio type" ) ),
 	m_arpRangeModel( 1.0f, 1.0f, 9.0f, 1.0f, this, tr( "Arpeggio range" ) ),
+	m_arpSkipModel( 0.0f, 0.0f, 100.0f, 1.0f, this, tr( "Skip rate" ) ),
+	m_arpMissModel( 0.0f, 0.0f, 100.0f, 1.0f, this, tr( "Miss rate" ) ),
 	m_arpTimeModel( 100.0f, 25.0f, 2000.0f, 1.0f, 2000, this, tr( "Arpeggio time" ) ),
 	m_arpGateModel( 100.0f, 1.0f, 200.0f, 1.0f, this, tr( "Arpeggio gate" ) ),
 	m_arpDirectionModel( this, tr( "Arpeggio direction" ) ),
@@ -408,7 +408,36 @@ void InstrumentFunctionArpeggio::processNote( NotePlayHandle * _n )
 			continue;
 		}
 
-		const int dir = m_arpDirectionModel.value();
+		// Skip notes randomly
+		if( m_arpSkipModel.value() )
+		{
+
+			if( 100 * ( (float) rand() / (float)( RAND_MAX + 1.0f ) ) < m_arpSkipModel.value() )
+			{
+				if( cur_arp_idx == 0 )
+				{
+					_n->setMasterNote();
+				}
+				// update counters
+				frames_processed += arp_frames;
+				cur_frame += arp_frames;
+				continue;
+			}
+		}
+
+		int dir = m_arpDirectionModel.value();
+
+		// Miss notes randomly. We intercept int dir and abuse it
+		// after need.  :)
+
+		if( m_arpMissModel.value() )
+		{
+			if( 100 * ( (float) rand() / (float)( RAND_MAX + 1.0f ) ) < m_arpMissModel.value() )
+			{
+				dir = ArpDirRandom;
+			}
+		}
+
 		// process according to arpeggio-direction...
 		if( dir == ArpDirUp )
 		{
@@ -497,6 +526,8 @@ void InstrumentFunctionArpeggio::saveSettings( QDomDocument & _doc, QDomElement
 	m_arpEnabledModel.saveSettings( _doc, _this, "arp-enabled" );
 	m_arpModel.saveSettings( _doc, _this, "arp" );
 	m_arpRangeModel.saveSettings( _doc, _this, "arprange" );
+	m_arpSkipModel.saveSettings( _doc, _this, "arpskip" );
+	m_arpMissModel.saveSettings( _doc, _this, "arpmiss" );
 	m_arpTimeModel.saveSettings( _doc, _this, "arptime" );
 	m_arpGateModel.saveSettings( _doc, _this, "arpgate" );
 	m_arpDirectionModel.saveSettings( _doc, _this, "arpdir" );
@@ -512,6 +543,8 @@ void InstrumentFunctionArpeggio::loadSettings( const QDomElement & _this )
 	m_arpEnabledModel.loadSettings( _this, "arp-enabled" );
 	m_arpModel.loadSettings( _this, "arp" );
 	m_arpRangeModel.loadSettings( _this, "arprange" );
+	m_arpSkipModel.loadSettings( _this, "arpskip" );
+	m_arpMissModel.loadSettings( _this, "arpmiss" );
 	m_arpTimeModel.loadSettings( _this, "arptime" );
 	m_arpGateModel.loadSettings( _this, "arpgate" );
 	m_arpDirectionModel.loadSettings( _this, "arpdir" );

src/gui/widgets/InstrumentFunctionViews.cpp

@@ -103,6 +103,8 @@ InstrumentFunctionArpeggioView::InstrumentFunctionArpeggioView( InstrumentFuncti
 	m_arpGroupBox( new GroupBox( tr( "ARPEGGIO" ) ) ),
 	m_arpComboBox( new ComboBox() ),
 	m_arpRangeKnob( new Knob( knobBright_26 ) ),
+	m_arpSkipKnob( new Knob( knobBright_26 ) ),
+	m_arpMissKnob( new Knob( knobBright_26 ) ),
 	m_arpTimeKnob( new TempoSyncKnob( knobBright_26 ) ),
 	m_arpGateKnob( new Knob( knobBright_26 ) ),
 	m_arpDirectionComboBox( new ComboBox() ),
@@ -137,6 +139,22 @@ InstrumentFunctionArpeggioView::InstrumentFunctionArpeggioView( InstrumentFuncti
 			"number of octaves." ) );
 
 
+	m_arpSkipKnob->setLabel( tr( "SKIP" ) );
+	m_arpSkipKnob->setHintText( tr( "Skip rate:" ), tr( "%" ) );
+	m_arpSkipKnob->setWhatsThis(
+		tr( "The skip function will make the arpeggiator pause one step "
+			"randomly. From its start in full counter clockwise "
+			"position and no effect it will gradually progress to "
+			"full amnesia at maximum setting.") );
+
+
+	m_arpMissKnob->setLabel( tr( "MISS" ) );
+	m_arpMissKnob->setHintText( tr( "Miss rate:" ), tr( "%" ) );
+	m_arpMissKnob->setWhatsThis(
+		tr( "The miss function will make the arpeggiator miss the "
+			"intended note.") );
+
+
 	m_arpTimeKnob->setLabel( tr( "TIME" ) );
 	m_arpTimeKnob->setHintText( tr( "Arpeggio time:" ), " " + tr( "ms" ) );
 	m_arpTimeKnob->setWhatsThis(
@@ -153,6 +171,7 @@ InstrumentFunctionArpeggioView::InstrumentFunctionArpeggioView( InstrumentFuncti
 			"arpeggio-tone that should be played. With this you "
 			"can make cool staccato arpeggios." ) );
 
+
 	QLabel* arpChordLabel = new QLabel( tr( "Chord:" ) );
 	arpChordLabel->setFont( pointSize<8>( arpChordLabel->font() ) );
 
@@ -170,8 +189,10 @@ InstrumentFunctionArpeggioView::InstrumentFunctionArpeggioView( InstrumentFuncti
 	mainLayout->addWidget( m_arpModeComboBox, 7, 0 );
 
 	mainLayout->addWidget( m_arpRangeKnob, 0, 1, 2, 1, Qt::AlignHCenter );
-	mainLayout->addWidget( m_arpTimeKnob, 3, 1, 2, 1, Qt::AlignHCenter );
+	mainLayout->addWidget( m_arpSkipKnob, 3, 1, 2, 1, Qt::AlignHCenter );
+	mainLayout->addWidget( m_arpMissKnob, 3, 2, 2, 1, Qt::AlignHCenter );
 	mainLayout->addWidget( m_arpGateKnob, 6, 1, 2, 1, Qt::AlignHCenter );
+	mainLayout->addWidget( m_arpTimeKnob, 6, 2, 2, 1, Qt::AlignHCenter );
 
 	mainLayout->setRowMinimumHeight( 2, 10 );
 	mainLayout->setRowMinimumHeight( 5, 10 );
@@ -194,6 +215,8 @@ void InstrumentFunctionArpeggioView::modelChanged()
 	m_arpGroupBox->setModel( &m_a->m_arpEnabledModel );
 	m_arpComboBox->setModel( &m_a->m_arpModel );
 	m_arpRangeKnob->setModel( &m_a->m_arpRangeModel );
+	m_arpSkipKnob->setModel( &m_a->m_arpSkipModel );
+	m_arpMissKnob->setModel( &m_a->m_arpMissModel );
 	m_arpTimeKnob->setModel( &m_a->m_arpTimeModel );
 	m_arpGateKnob->setModel( &m_a->m_arpGateModel );
 	m_arpDirectionComboBox->setModel( &m_a->m_arpDirectionModel );