546 lines
17 KiB
JavaScript
546 lines
17 KiB
JavaScript
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function HerculesMP3 () {}
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HerculesMP3.ledOn = 0x7F;
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HerculesMP3.ledOff = 0x00;
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HerculesMP3.debug = false;
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HerculesMP3.scratchMode = false;
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HerculesMP3.decayLast = new Date().getTime();
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HerculesMP3.decayInterval = 300;
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HerculesMP3.decayRate = 1.5;
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HerculesMP3.buttons123Modes = ["kill", "fx", "cue", "loop"];
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HerculesMP3.buttons123used = {"[Channel1]": false, "[Channel1]": false};
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// TODO HerculesMP3 controls should be divided into groups, then signals
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// should directed to each group without thinking about specific controls
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// to allow for easy rebinding.
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HerculesMP3.controls = {
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"inputs": {
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0x09: { "channel": 1, "name": "cue", "type": "button" },
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0x03: { "channel": 2, "name": "cue", "type": "button" },
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0x08: { "channel": 1, "name": "play", "type": "button" },
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0x02: { "channel": 2, "name": "play", "type": "button" },
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0x07: { "channel": 1, "name": "fx select", "type": "button","mode": 0 },
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0x01: { "channel": 2, "name": "fx select", "type": "button","mode": 0 },
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0x0F: { "channel": 1, "name": "fx 1", "type": "button", "used": false },
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0x10: { "channel": 2, "name": "fx 1", "type": "button", "used": false },
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0x0E: { "channel": 1, "name": "fx 2", "type": "button", "used": false },
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0x11: { "channel": 2, "name": "fx 2", "type": "button", "used": false },
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0x0D: { "channel": 1, "name": "fx 3", "type": "button", "used": false },
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0x12: { "channel": 2, "name": "fx 3", "type": "button", "used": false },
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0x1B: { "channel": 1, "name": "mouse", "type": "button" },
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0x1C: { "channel": 2, "name": "mouse", "type": "button" },
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0x34: { "channel": 1, "name": "pitch", "type": "pot" },
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0x35: { "channel": 2, "name": "pitch", "type": "pot" },
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0x36: { "channel": 1, "name": "wheel", "type": "pot" },
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0x37: { "channel": 2, "name": "wheel", "type": "pot" },
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0x15: { "channel": 1, "name": "pfl", "type": "button" },
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0x19: { "channel": 2, "name": "pfl", "type": "button" },
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0x16: { "channel": 1, "name": "bpm", "type": "button" },
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0x1A: { "channel": 2, "name": "bpm", "type": "button" },
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0x0A: { "channel": 1, "name": "sync", "type": "button" },
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0x04: { "channel": 2, "name": "sync", "type": "button" }
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},
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"outputs": {
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0x0F: { "channel": 1, "name": "fx mode", "type": "led" },
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0x10: { "channel": 2, "name": "fx mode", "type": "led" },
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0x0E: { "channel": 1, "name": "cue mode", "type": "led" },
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0x11: { "channel": 2, "name": "cue mode", "type": "led" },
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0x0D: { "channel": 1, "name": "loop mode", "type": "led" },
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0x12: { "channel": 2, "name": "loop mode", "type": "led" },
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0x16: { "channel": 1, "name": "master tempo", "type": "led" },
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0x1A: { "channel": 2, "name": "master tempo", "type": "led" },
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0x0A: { "channel": 1, "name": "sync", "type": "led" },
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0x04: { "channel": 2, "name": "sync", "type": "led" },
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0x09: { "channel": 1, "name": "cue", "type": "led" },
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0x03: { "channel": 2, "name": "cue", "type": "led" },
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0x00: { "channel": 1, "name": "play blink", "type": "led" },
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0x05: { "channel": 2, "name": "play blink", "type": "led" },
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0x08: { "channel": 1, "name": "play", "type": "led" },
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0x02: { "channel": 2, "name": "play", "type": "led" },
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0x7E: { "channel": 1, "name": "pfl", "type": "led" },
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0x7D: { "channel": 2, "name": "pfl", "type": "led" }
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}
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};
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HerculesMP3.leds = {
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};
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// called when the device is opened & set up
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HerculesMP3.init = function (id) {
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HerculesMP3.initializeControls();
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engine.connectControl("[Channel1]","playposition","HerculesMP3.wheelDecay");
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engine.connectControl("[Channel2]","playposition","HerculesMP3.wheelDecay");
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print ("HerculesMP3 id: \""+id+"\" initialized.");
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};
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HerculesMP3.initializeControls = function () {
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for (control in HerculesMP3.controls.outputs)
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{
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if (HerculesMP3.controls.outputs[control].type == 'led')
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{
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key = "[Channel" + HerculesMP3.controls.outputs[control].channel + "] " + HerculesMP3.controls.outputs[control].name;
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HerculesMP3.leds[key] = control;
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}
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}
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HerculesMP3.setLeds("on");
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HerculesMP3.setLeds("off");
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// Set controls in Mixxx to reflect settings on the device
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midi.sendShortMsg(0xB0,0x7F,0x7F);
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};
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HerculesMP3.shutdown = function (id) {
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HerculesMP3.setLeds("off");
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};
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HerculesMP3.getGroup = function (control){
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// Get the "group" that used to be provided in group, this is not reusable
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// across devices and also breaks remapping of these functions to other
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// buttons.
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return "[Channel" + HerculesMP3.controls.inputs[control].channel + "]";
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};
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HerculesMP3.getControl = function (io, channel, name) {
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// Accept channel in form 'N' or '[ChannelN]'
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channel = channel.replace(/\[Channel(\d)\]/, "$1");
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for (control in HerculesMP3.controls.inputs)
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{
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if (HerculesMP3.controls.inputs[control].channel == channel && HerculesMP3.controls.inputs[control].name == name)
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{
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return HerculesMP3.controls.inputs[control];
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}
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}
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print ("HerculesMP3.getControl: Control not found: io=" + io + ": channel=" + channel + ": name=" + name);
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};
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HerculesMP3.setLeds = function (onOff) {
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for (LED in HerculesMP3.leds)
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{
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HerculesMP3.setLed(LED,onOff);
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// Seems that if midi messages are sent too quickly, leds don't behave
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// as expected. A pause rectifies this.
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HerculesMP3.pauseScript(10);
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}
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};
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HerculesMP3.setLed = function (led, onOff) {
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value = onOff=="on" ? HerculesMP3.ledOn : HerculesMP3.ledOff;
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if (HerculesMP3.debug) print ("HerculesMP3.setLed: Setting " + led + " led " + onOff);
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if (HerculesMP3.debug) print ("HerculesMP3.setLed: midi.sendShortMsg(0xB0," + HerculesMP3.leds[led].toString(16) + "," + value + ")");
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midi.sendShortMsg(0xB0,HerculesMP3.leds[led],value);
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HerculesMP3.controls.outputs[HerculesMP3.leds[led]].isOn = onOff=="on" ? true : false;
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};
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HerculesMP3.pauseScript = function(ms) {
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startDate = new Date();
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currentDate = null;
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while(currentDate-startDate < ms) currentDate = new Date();
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};
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HerculesMP3.increment = function(group, control, value, min,max,step) {
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currentValue = engine.getValue(group, control);
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increment = (max-min)/step;
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increment = (value <= 0x3F) ? increment : increment * -1;
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//if (HerculesMP3.debug)
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//{
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// print ("Current value of "+group+" " + control + " is :" + currentValue + ", min: " + min + ", max:" + max + ", step:" + step + ", increment: " + increment );
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// print ("HerculesMP3.pitch: value= " + newValue);
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//}
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newValue = currentValue + increment;
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newValue = newValue > max ? max : newValue < min ? min : newValue;
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print ("Changing " + group + " " + control + " value to " + ((newValue/max)*100) + "%, " + newValue );
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if (newValue != currentValue)
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engine.setValue(group, control, newValue);
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return;
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};
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HerculesMP3.cue = function (group, control, value, status) {
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group = HerculesMP3.getGroup(control);
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if ((engine.getValue(group, "duration") == 0) && (value))
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{
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print("No song on " + group);
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return;
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}
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// Down
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if (value)
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{
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engine.setValue(group,"cue_default",1);
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HerculesMP3.setLed(group + " cue", "on");
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}
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// Release
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else
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{
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engine.setValue(group,"cue_default",0);
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}
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};
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HerculesMP3.play = function (group, control, value, status) {
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// Only do stuff when play is pushed, not released.
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if (value)
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{
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group = HerculesMP3.getGroup(control);
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if (engine.getValue(group, "duration") == 0)
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{
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print("No song on " + group);
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return;
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}
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engine.setValue(group,"play", !engine.getValue(group,"play"));
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HerculesMP3.setLed(group + " cue", "off");
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}
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};
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HerculesMP3.pfl = function (group, control, value, status) {
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// Only do stuff when pushed, not released.
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if (value)
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{
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group = HerculesMP3.getGroup(control);
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engine.setValue(group,"pfl", !engine.getValue(group,"pfl"));
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print("Headphone toggled on " + group);
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if (engine.getValue(group,"pfl"))
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{
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HerculesMP3.setLed(group + " pfl", "on");
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}
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else
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{
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HerculesMP3.setLed(group + " pfl", "off");
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}
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}
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};
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HerculesMP3.bpm = function (group, control, value, status) {
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group = HerculesMP3.getGroup(control);
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engine.setValue(group,"rate",0);
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HerculesMP3.setLed(group + " master tempo", "on");
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print ("Resetting BPM rate on" + group);
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};
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HerculesMP3.loadSelectedTrack = function (group, control, value, status) {
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// Only do stuff when pushed, not released.
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if (value)
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{
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group = HerculesMP3.getGroup(control);
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engine.setValue(group, "LoadSelectedTrack", 1);
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HerculesMP3.setLed(group + " cue", "on");
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}
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};
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HerculesMP3.buttons123 = function (group, control, value, status) {
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group = HerculesMP3.getGroup(control);
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// Button pressed.
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if (value)
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{
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HerculesMP3.controls.inputs[control].isDown = true;
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}
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//Button released.
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else
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{
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HerculesMP3.controls.inputs[control].isDown = false;
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}
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mode = HerculesMP3.getControl("inputs", group, "fx select").mode;
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mode = HerculesMP3.buttons123Modes[mode];
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switch (mode)
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{
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case "kill": // Kill mode
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if (value)
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{ // Button pressed.
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switch (HerculesMP3.controls.inputs[control].name)
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{
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case "fx 1":
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engine.setValue(group, "filterLowKill", !engine.getValue(group, "filterLowKill"));
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break;
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case "fx 2":
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engine.setValue(group, "filterMidKill", !engine.getValue(group, "filterMidKill"));
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break;
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case "fx 3":
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engine.setValue(group, "filterHighKill", !engine.getValue(group, "filterHighKill"));
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break;
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}
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}
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break; // End kill mode
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case "fx": // Fx mode
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// Were only turning off the flanger if any of the 123 buttons are
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// released, not pushed. This is so we can have any of the 123 buttons
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// held down, then use the pitch pot to modify the effect settings
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if (!value)
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{ // Button released.
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if (HerculesMP3.controls.inputs[control].used)
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{
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// Button was used to turn the pitch control into a modifier
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// for the effect settings, so don't go on and turn the flanger
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// on/off
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HerculesMP3.controls.inputs[control].used = false;
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return;
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}
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switch (HerculesMP3.controls.inputs[control].name)
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{
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case "fx 1":
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case "fx 2":
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case "fx 3":
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engine.setValue(group, "flanger", !engine.getValue(group, "flanger"));
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break;
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}
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}
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break; // End fx mode
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case "cue": // Cue mode
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// Were only turning off the scrath toggle if any of the 123 buttons are
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// released, not pushed. This is so we can have any of the 123 buttons
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// held down, then use the pitch pot to modify the effect settings
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if (!value)
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{ // Button released.
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if (HerculesMP3.controls.inputs[control].used)
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{
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// Button was used to turn the pitch control into a modifier
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// for the effect settings, so don't go on and turn the flanger
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// on/off
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HerculesMP3.controls.inputs[control].used = false;
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return;
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}
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switch (HerculesMP3.controls.inputs[control].name)
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{
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case "fx 1":
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case "fx 2":
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case "fx 3":
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HerculesMP3.scratchMode = !HerculesMP3.scratchMode;
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if (HerculesMP3.scratchMode) print ("Scratch mode ON");
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else print ("Scratch mode OFF");
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break;
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}
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}
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break; // End fx mode
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case "loop": // loop mode
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switch (HerculesMP3.controls.inputs[control].name)
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{
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case "fx 1":
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if (value) engine.setValue(group, "loop_in", 1); //button pressed
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else engine.setValue(group, "loop_in", 0); //button released
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break;
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case "fx 2":
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if (value) engine.setValue(group, "loop_out", 1); //button pressed
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else engine.setValue(group, "loop_out", 0); //button released
|
||
|
|
break;
|
||
|
|
case "fx 3":
|
||
|
|
if (value) engine.setValue(group, "reloop_exit", 1); //button pressed
|
||
|
|
else engine.setValue(group, "reloop_exit", 0); //button released
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break; //End loop mode
|
||
|
|
|
||
|
|
default:
|
||
|
|
print("HerculesMP3.buttons123: " + mode + " mode unsupported");
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
HerculesMP3.buttons123mode = function (group, control, value, status) {
|
||
|
|
|
||
|
|
group = HerculesMP3.getGroup(control);
|
||
|
|
if (value)
|
||
|
|
{ // Only do stuff when pushed, not released.
|
||
|
|
currentMode = HerculesMP3.controls.inputs[control].mode;
|
||
|
|
nextMode = currentMode < HerculesMP3.buttons123Modes.length-1 ? currentMode+1 : 0;
|
||
|
|
currentLed = group + " " + HerculesMP3.buttons123Modes[currentMode] + " mode";
|
||
|
|
nextLed = group + " " + HerculesMP3.buttons123Modes[nextMode] + " mode";
|
||
|
|
|
||
|
|
sNextMode = HerculesMP3.buttons123Modes[nextMode];
|
||
|
|
|
||
|
|
switch (sNextMode) {
|
||
|
|
case "kill":
|
||
|
|
case "fx":
|
||
|
|
case "loop":
|
||
|
|
case "cue":
|
||
|
|
print("HerculesMP3.buttons123mode: Switching to " + sNextMode + " mode");
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
print("HerculesMP3.buttons123mode: " + sNextMode + " mode unsupported");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Only turn on/off leds for non-zero modes as 0 is kill mode which
|
||
|
|
// has no corresponding LED. i.e. all LEDs off for kill mode.
|
||
|
|
if (currentMode) HerculesMP3.setLed(currentLed, "off");
|
||
|
|
// Seems that if midi messages are sent too quickly, leds don't behave
|
||
|
|
// as expected. A pause rectifies this.
|
||
|
|
HerculesMP3.pauseScript(10);
|
||
|
|
if (nextMode) HerculesMP3.setLed(nextLed, "on");
|
||
|
|
|
||
|
|
HerculesMP3.controls.inputs[control].mode = nextMode;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
HerculesMP3.pitch = function (group, control, value, status) {
|
||
|
|
// 7F > 40: CCW Slow > Fast - 127 > 64
|
||
|
|
// 01 > 3F: CW Slow > Fast - 0 > 63
|
||
|
|
|
||
|
|
group = HerculesMP3.getGroup(control);
|
||
|
|
pitchControl = HerculesMP3.getControl("inputs", group, "pitch");
|
||
|
|
done = false;
|
||
|
|
|
||
|
|
currentMode = HerculesMP3.getControl("inputs", group, "fx select").mode;
|
||
|
|
currentMode = HerculesMP3.buttons123Modes[currentMode];
|
||
|
|
|
||
|
|
// If in fx mode and one or more of buttons 123 are pressed, use pitch
|
||
|
|
// pot to adjust the relevant flanger parameters instead of changing
|
||
|
|
// the rate (as is normal operation for the pitch pot)
|
||
|
|
|
||
|
|
|
||
|
|
// FX mode: buttons + Pitch to modify effect parameters
|
||
|
|
if (currentMode == "fx")
|
||
|
|
{
|
||
|
|
potStep = 25; // How many clicks round the pot from min to max values
|
||
|
|
|
||
|
|
if (HerculesMP3.getControl("inputs", group, "fx 1").isDown)
|
||
|
|
{
|
||
|
|
HerculesMP3.increment("[Flanger]", "lfoDepth", value, 0,1,50);
|
||
|
|
HerculesMP3.getControl("inputs", group, "fx 1").used = true;
|
||
|
|
done = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (HerculesMP3.getControl("inputs", group, "fx 2").isDown)
|
||
|
|
{
|
||
|
|
HerculesMP3.increment("[Flanger]", "lfoDelay", value, 50,10000,50);
|
||
|
|
HerculesMP3.getControl("inputs", group, "fx 2").used = true;
|
||
|
|
done = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (HerculesMP3.getControl("inputs", group, "fx 3").isDown)
|
||
|
|
{
|
||
|
|
HerculesMP3.increment("[Flanger]", "lfoPeriod", value, 50000, 2000000,50);
|
||
|
|
HerculesMP3.getControl("inputs", group, "fx 3").used = true;
|
||
|
|
done = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Cue mode: buttons + Pitch to modify headphone and gain parameters
|
||
|
|
if (currentMode == "cue")
|
||
|
|
{
|
||
|
|
if (HerculesMP3.getControl("inputs", group, "fx 1").isDown)
|
||
|
|
{
|
||
|
|
HerculesMP3.increment("[Master]", "headMix", value, -1,1,25);
|
||
|
|
HerculesMP3.getControl("inputs", group, "fx 1").used = true;
|
||
|
|
done = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (HerculesMP3.getControl("inputs", group, "fx 2").isDown)
|
||
|
|
{
|
||
|
|
HerculesMP3.increment("[Master]", "headVolume", value,0,5,50);
|
||
|
|
HerculesMP3.getControl("inputs", group, "fx 2").used = true;
|
||
|
|
done = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (HerculesMP3.getControl("inputs", group, "fx 3").isDown)
|
||
|
|
{
|
||
|
|
HerculesMP3.increment(group, "pregain", value, 0,4,50);
|
||
|
|
HerculesMP3.getControl("inputs", group, "fx 3").used = true;
|
||
|
|
done = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (done) return;
|
||
|
|
//no button was pressed, do normal pitch
|
||
|
|
else
|
||
|
|
{
|
||
|
|
increment = 0.002;
|
||
|
|
increment = (value <= 0x3F) ? increment : increment * -1;
|
||
|
|
|
||
|
|
if (HerculesMP3.debug) print ("HerculesMP3.pitch: value=" + value);
|
||
|
|
newrate = engine.getValue(group, "rate") + increment;
|
||
|
|
engine.setValue(group, "rate", newrate);
|
||
|
|
print ("newrate:" + newrate);
|
||
|
|
|
||
|
|
//a bit of a range is reasonable
|
||
|
|
if ((newrate < 0.005) && (newrate > -0.005)) HerculesMP3.setLed(group + " master tempo", "on");
|
||
|
|
else HerculesMP3.setLed(group + " master tempo", "off");
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
HerculesMP3.jog_wheel = function (group, control, value, status) {
|
||
|
|
// 7F > 40: CCW Slow > Fast - 127 > 64
|
||
|
|
// 01 > 3F: CW Slow > Fast - 0 > 63
|
||
|
|
group = HerculesMP3.getGroup(control);
|
||
|
|
|
||
|
|
if (HerculesMP3.controls.outputs[HerculesMP3.leds[group + " cue"]].isOn == true)
|
||
|
|
{
|
||
|
|
HerculesMP3.setLed(group + " cue", "off");
|
||
|
|
}
|
||
|
|
|
||
|
|
jogValue = value >=0x40 ? value - 0x80 : value; // -64 to +63, - = CCW, + = CW
|
||
|
|
|
||
|
|
// do some scratching
|
||
|
|
if (HerculesMP3.scratchMode)
|
||
|
|
{
|
||
|
|
if (HerculesMP3.debug) print("Do scratching value:" + value + " jogValue: " + jogValue );
|
||
|
|
engine.setValue(group,"scratch", (engine.getValue(group,"scratch") + (jogValue/64)).toFixed(2));
|
||
|
|
}
|
||
|
|
// do pitch adjustment
|
||
|
|
else
|
||
|
|
{
|
||
|
|
newValue = jogValue;
|
||
|
|
if (HerculesMP3.debug) print("do pitching adjust " + jogValue + " new Value: " + newValue);
|
||
|
|
engine.setValue(group,"jog", newValue);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
HerculesMP3.wheelDecay = function (value) {
|
||
|
|
currentDate = new Date().getTime();
|
||
|
|
|
||
|
|
if (currentDate > HerculesMP3.decayLast + HerculesMP3.decayInterval)
|
||
|
|
{
|
||
|
|
HerculesMP3.decayLast = currentDate;
|
||
|
|
|
||
|
|
if (HerculesMP3.debug) print(" new playposition: " + value + " decayLast: "+ HerculesMP3.decayLast);
|
||
|
|
|
||
|
|
// do some scratching
|
||
|
|
if (HerculesMP3.scratchMode)
|
||
|
|
{
|
||
|
|
if (HerculesMP3.debug) print("Scratch deck1: " + engine.getValue("[Channel1]","scratch") + " deck2: "+ engine.getValue("[Channel2]","scratch"));
|
||
|
|
|
||
|
|
jog1DecayRate = HerculesMP3.decayRate * (engine.getValue("[Channel1]","play") ? 1 : 5);
|
||
|
|
jog1 = engine.getValue("[Channel1]","scratch");
|
||
|
|
if (jog1 != 0)
|
||
|
|
{
|
||
|
|
if (Math.abs(jog1) > jog1DecayRate)
|
||
|
|
{
|
||
|
|
engine.setValue("[Channel1]","scratch", (jog1 / jog1DecayRate).toFixed(2));
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
engine.setValue("[Channel1]","scratch", 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
jog2DecayRate = HerculesMP3.decayRate * (engine.getValue("[Channel2]","play") ? 1 : 5);
|
||
|
|
jog2 = engine.getValue("[Channel2]","scratch");
|
||
|
|
if (jog2 != 0)
|
||
|
|
{
|
||
|
|
if (Math.abs(jog2) > jog2DecayRate)
|
||
|
|
{
|
||
|
|
engine.setValue("[Channel2]","scratch", (jog2 / jog2DecayRate).toFixed(2));
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
engine.setValue("[Channel2]","scratch", 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|