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/usr/share/mixxx/controllers/Hercules-DJ-Control-Instinct-scripts.js is in mixxx-data 2.0.0~dfsg-4.

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function HCInstinct() {};



// ----------   Global variables    ---------- 
HCInstinct.scratching = [false, false];
HCInstinct.pitchSpeedFast = true; 	// temporary Pitch Speed of +/-  true = 
HCInstinct.vinylButton = false;			
HCInstinct.pitchSwitches = new Array();
HCInstinct.pitchSwitches["A"] = [0,0];
HCInstinct.pitchSwitches["B"] = [0,0];

HCInstinct.pitchB = [0,0];
// ----------   Functions    ----------

// called when the MIDI device is opened & set up
HCInstinct.init = function(id, debugging) {	
	HCInstinct.id = id;
	HCInstinct.FastPosition=[0,0];
	HCInstinct.jogFastPosition=[0,0];

	HCInstinct.allLedOff();

	// Switch-on some LEDs for improve the usability
	// midi.sendShortMsg(0x90, 46, 0x7F);	// Automix LED
	// midi.sendShortMsg(0x90, 14, 0x7F);	// Cue deck A LED
	// midi.sendShortMsg(0x90, 34, 0x7F);	// Cue deck B LED
	print ("***** Hercules DJ Instinct Control id: \""+id+"\" initialized.");
};

// Called when the MIDI device is closed
HCInstinct.shutdown = function(id) {
	HCInstinct.allLedOff();
	print ("***** Hercules DJ Instinct Control id: \""+id+"\" shutdown.");	
};


// === MISC TO MANAGE LEDS ===

HCInstinct.allLedOff = function () {
	// Switch off all LEDs
};

// Use VinylButton as "Shift"-Button
HCInstinct.vinylButtonHandler = function(channel,control, value, status) {
    if (value == ButtonState.pressed) {
	HCInstinct.vinylButton = true;
    }
    else {
	HCInstinct.vinylButton=false;
    }
};


// The button that enables/disables scratching
HCInstinct.wheelTouch0 = function (channel, control, value, status) {

    if (value == 0x7F && !HCInstinct.scratching[0]) { // catch only first touch
       var alpha = 1.0/8;
       var beta = alpha/32;
       engine.scratchEnable(1, 128, 33+1/3, alpha, beta);
       // Keep track of whether we're scratching on this virtual deck
       HCInstinct.scratching[0] = true;

    }
    else {    //  button up
        engine.scratchDisable(1);
        HCInstinct.scratching[0] = false;
    }

};
// The button that enables/disables scratching
HCInstinct.wheelTouch1 = function (channel, control, value, status) {

    if (value == 0x7F && !HCInstinct.scratching[1]) { // catch only first touch
       var alpha = 1.0/8;
       var beta = alpha/32;
       engine.scratchEnable(2, 128, 33+1/3, alpha, beta);
       // Keep track of whether we're scratching on this virtual deck
       HCInstinct.scratching[1] = true;

    }
    else {    //  button up
        engine.scratchDisable(2);
        HCInstinct.scratching[1] = false;
    }

};

 
HCInstinct.wheelTurn0 = function (channel, control, value, status) {
    
	// See if we're on scratching.
	//if (HCInstinct.scratching[0] == false )  return;
   
	var newValue;
	if (value-64 > 0) newValue = value-128; // 7F, 7E, 7D
	else newValue = value;
	engine.scratchTick(1,newValue);
};

HCInstinct.wheelTurn1 = function (channel, control, value, status) {
    
	// See if we're on scratching.
	if (HCInstinct.scratching[1] == false )  return;
   
	var newValue;
	if (value-64 > 0) newValue = value-128; // 7F, 7E, 7D
	else newValue = value;
	engine.scratchTick(2,newValue);
};

HCInstinct.knobIncrement = function (group, action, minValue, maxValue, centralValue, step, sign) {
	// This function allows you to increment a non-linear value like the volume's knob
	// sign must be 1 for positive increment, -1 for negative increment
	semiStep = step/2;
	rangeWidthLeft = centralValue-minValue;
	rangeWidthRight = maxValue-centralValue;
	actual = engine.getValue(group, action);
	
	if (actual < 1){
		increment = ((rangeWidthLeft)/semiStep)*sign;
	}
	else if (actual > 1){
		increment = ((rangeWidthRight)/semiStep)*sign;
	}
	else if (actual == 1){
		increment = (sign == 1) ? rangeWidthRight/semiStep : (rangeWidthLeft/semiStep)*sign;
	}

	if (sign == 1 && actual < maxValue){
		newValue = actual + increment;
	}
	else if (sign == -1 && actual > minValue){
		newValue = actual + increment;
	}
	
	return newValue;
};



// Pitch +/- 
HCInstinct.pitch = function (midino, control, value, status, group) {
	var speed = (HCInstinct.vinylButton == true) ? "" : "_small";
	var state = (value == 0x7F) ? 1 : 0;
	switch (control){
		case 0x11: HCInstinct.pitchSwitches["A"][0]=state;
			engine.setValue(group, "rate_temp_down"+speed, state); 
			break;
		case 0x12: HCInstinct.pitchSwitches["A"][1]=state;
			engine.setValue(group, "rate_temp_up"+speed, state); 
			break;
		case 0x2B: HCInstinct.pitchSwitches["B"][0]=state;
			engine.setValue(group, "rate_temp_down"+speed, state); 
			break;
		case 0x2C: HCInstinct.pitchSwitches["B"][1]=state;
			engine.setValue(group, "rate_temp_up"+speed, state); 
			break;
	};	
        // when buttons + and - pressed simultanously
        if (HCInstinct.pitchSwitches["A"][0] && HCInstinct.pitchSwitches["A"][1]) {
		// reset pitch to 0
		engine.setValue(group, "rate", 0); 
	};
        if (HCInstinct.pitchSwitches["B"][0] && HCInstinct.pitchSwitches["B"][1]) {
		engine.setValue(group, "rate", 0); 
	}
};

// Up/Down-Siwtches 
HCInstinct.tempPitch = function (midino, control, value, status, group) {
	var rate = (value==0x7F) ? "rate_perm_down" : "rate_perm_up" ;
	if (HCInstinct.vinylButton == false) {
		rate = rate + "_small";
	}	
	engine.setValue(group, rate, 1);
	engine.setValue(group, rate, 0);
};