_MIDI.pde

   1 /**
   2  *     DOUBLE BLACK DIAMOND        DOUBLE BLACK DIAMOND
   3  *
   4  *         //\\   //\\                 //\\   //\\
   5  *        ///\\\ ///\\\               ///\\\ ///\\\
   6  *        \\\/// \\\///               \\\/// \\\///
   7  *         \\//   \\//                 \\//   \\//
   8  *
   9  *        EXPERTS ONLY!!              EXPERTS ONLY!!
  10  *
  11  * This file defines the MIDI mapping interfaces. This shouldn't
  12  * need editing unless you're adding top level support for a
  13  * specific MIDI device of some sort. Generally, all MIDI devices
  14  * will just work with the default configuration, and you can
  15  * set your SCPattern class to respond to the controllers that you
  16  * care about.
  17  */
  18
  19 interface MidiEngineListener {
  20   public void onFocusedDeck(int deckIndex);
  21 }
  22
  23 class MidiEngine {
  24
  25   public final GridController grid;
  26   private final List<MidiEngineListener> listeners = new ArrayList<MidiEngineListener>();
  27   private final List<SCMidiInput> midiControllers = new ArrayList<SCMidiInput>();
  28
  29   public MidiEngine addListener(MidiEngineListener l) {
  30     listeners.add(l);
  31     return this;
  32   }
  33
  34   public MidiEngine removeListener(MidiEngineListener l) {
  35     listeners.remove(l);
  36     return this;
  37   }
  38
  39   private SCMidiInput midiQwertyKeys;
  40   private SCMidiInput midiQwertyAPC;
  41
  42   private int activeDeckIndex = 0;
  43
  44   public MidiEngine() {
  45     grid = new GridController(this);
  46     midiControllers.add(midiQwertyKeys = new VirtualKeyMidiInput(this, VirtualKeyMidiInput.KEYS));
  47     midiControllers.add(midiQwertyAPC = new VirtualKeyMidiInput(this, VirtualKeyMidiInput.APC));
  48     int apcCount = 0;
  49     for (MidiInputDevice device : RWMidi.getInputDevices()) {
  50       if (device.getName().contains("APC")) {
  51         ++apcCount;
  52       }
  53     }
  54
  55     int apcIndex = 0;
  56     for (MidiInputDevice device : RWMidi.getInputDevices()) {
  57       if (device.getName().contains("APC")) {
  58         int apcDeck = -1;
  59         if (apcCount > 1 && apcIndex < 2) {
  60           apcDeck = apcIndex++;
  61         }
  62         midiControllers.add(new APC40MidiInput(this, device, apcDeck).setEnabled(true));
  63       } else if (device.getName().contains("SLIDER/KNOB KORG")) {
  64         midiControllers.add(new KorgNanoKontrolMidiInput(this, device).setEnabled(true));
  65       } else if (device.getName().contains("Arturia MINILAB")) {
  66         midiControllers.add(new ArturiaMinilabMidiInput(this, device).setEnabled(true));
  67       } else {
  68         boolean enabled =
  69           device.getName().contains("KEYBOARD KORG") ||
  70           device.getName().contains("Bus 1 Apple");
  71         midiControllers.add(new GenericDeviceMidiInput(this, device).setEnabled(enabled));
  72       }
  73     }
  74
  75     apcIndex = 0;
  76     for (MidiOutputDevice device : RWMidi.getOutputDevices()) {
  77       if (device.getName().contains("APC")) {
  78         int apcDeck = -1;
  79         if (apcCount > 1 && apcIndex < 2) {
  80           apcDeck = apcIndex++;
  81         }
  82         new APC40MidiOutput(this, device, apcDeck);
  83       }
  84     }
  85   }
  86
  87   public List<SCMidiInput> getControllers() {
  88     return this.midiControllers;
  89   }
  90
  91   public LXDeck getFocusedDeck() {
  92     return lx.engine.getDeck(activeDeckIndex);
  93   }
  94
  95   public SCPattern getFocusedPattern() {
  96     return (SCPattern) getFocusedDeck().getActivePattern();
  97   }
  98
  99   public MidiEngine setFocusedDeck(int deckIndex) {
 100     if (this.activeDeckIndex != deckIndex) {
 101       this.activeDeckIndex = deckIndex;
 102       for (MidiEngineListener listener : listeners) {
 103         listener.onFocusedDeck(deckIndex);
 104       }
 105     }
 106     return this;
 107   }
 108
 109   public boolean isQwertyEnabled() {
 110     return midiQwertyKeys.isEnabled() || midiQwertyAPC.isEnabled();
 111   }
 112 }
 113
 114 public interface SCMidiInputListener {
 115   public void onEnabled(SCMidiInput controller, boolean enabled);
 116 }
 117
 118 public abstract class SCMidiInput extends UIScrollList.AbstractItem {
 119
 120   protected boolean enabled = false;
 121   private final String name;
 122
 123   protected final MidiEngine midiEngine;
 124
 125   final List<SCMidiInputListener> listeners = new ArrayList<SCMidiInputListener>();
 126
 127   protected SCMidiInput(MidiEngine midiEngine, String name) {
 128     this.midiEngine = midiEngine;
 129     this.name = name;
 130   }
 131
 132   public SCMidiInput addListener(SCMidiInputListener l) {
 133     listeners.add(l);
 134     return this;
 135   }
 136
 137   public SCMidiInput removeListener(SCMidiInputListener l) {
 138     listeners.remove(l);
 139     return this;
 140   }
 141
 142   public String getLabel() {
 143     return name;
 144   }
 145
 146   public boolean isEnabled() {
 147     return enabled;
 148   }
 149
 150   public boolean isSelected() {
 151     return enabled;
 152   }
 153
 154   public void onMousePressed() {
 155     setEnabled(!enabled);
 156   }
 157
 158   public SCMidiInput setEnabled(boolean enabled) {
 159     if (enabled != this.enabled) {
 160       this.enabled = enabled;
 161       for (SCMidiInputListener l : listeners) {
 162         l.onEnabled(this, enabled);
 163       }
 164     }
 165     return this;
 166   }
 167
 168   private boolean logMidi() {
 169     return (uiMidi != null) && uiMidi.logMidi();
 170   }
 171
 172   protected SCPattern getTargetPattern() {
 173     return midiEngine.getFocusedPattern();
 174   }
 175
 176   final void programChangeReceived(ProgramChange pc) {
 177     if (!enabled) {
 178       return;
 179     }
 180     if (logMidi()) {
 181       println(getLabel() + " :: Program Change :: " + pc.getNumber());
 182     }
 183     handleProgramChange(pc);
 184   }
 185
 186   final void controllerChangeReceived(rwmidi.Controller cc) {
 187     if (!enabled) {
 188       return;
 189     }
 190     if (logMidi()) {
 191       println(getLabel() + " :: Controller :: " + cc.getChannel() + " :: " + cc.getCC() + ":" + cc.getValue());
 192     }
 193     if (!handleControllerChange(cc)) {
 194       getTargetPattern().controllerChange(cc);
 195     }
 196   }
 197
 198   final void noteOnReceived(Note note) {
 199     if (!enabled) {
 200       return;
 201     }
 202     if (logMidi()) {
 203       println(getLabel() + " :: Note On  :: " + note.getChannel() + ":" + note.getPitch() + ":" + note.getVelocity());
 204     }
 205     if (!handleNoteOn(note)) {
 206       getTargetPattern().noteOn(note);
 207     }
 208   }
 209
 210   final void noteOffReceived(Note note) {
 211     if (!enabled) {
 212       return;
 213     }
 214     if (logMidi()) {
 215       println(getLabel() + " :: Note Off :: " + note.getChannel() + ":" + note.getPitch() + ":" + note.getVelocity());
 216     }
 217     if (!handleNoteOff(note)) {
 218       getTargetPattern().noteOff(note);
 219     }
 220   }
 221
 222   protected void setNormalized(LXParameter parameter, float value) {
 223     if (parameter != null) {
 224       if (parameter instanceof BasicParameter) {
 225         ((BasicParameter)parameter).setNormalized(value);
 226       } else {
 227         parameter.setValue(value);
 228       }
 229     }
 230   }
 231
 232   // Subclasses may implement these to map top-level functionality
 233   protected boolean handleProgramChange(ProgramChange pc) { return false; }
 234   protected boolean handleControllerChange(rwmidi.Controller cc) { return false; }
 235   protected boolean handleNoteOn(Note note) { return false; }
 236   protected boolean handleNoteOff(Note note) { return false; }
 237 }
 238
 239 public class VirtualKeyMidiInput extends SCMidiInput {
 240
 241   public static final int KEYS = 1;
 242   public static final int APC = 2;
 243
 244   private final int mode;
 245
 246   private int octaveShift = 0;
 247
 248   class NoteMeta {
 249     int channel;
 250     int number;
 251     NoteMeta(int channel, int number) {
 252       this.channel = channel;
 253       this.number = number;
 254     }
 255   }
 256
 257   final Map<Character, NoteMeta> keyToNote = new HashMap<Character, NoteMeta>();
 258
 259   VirtualKeyMidiInput(MidiEngine midiEngine, int mode) {
 260     super(midiEngine, "QWERTY (" + (mode == APC ? "APC" : "Key") + "  Mode)");
 261     this.mode = mode;
 262     if (mode == APC) {
 263       mapAPC();
 264     } else {
 265       mapKeys();
 266     }
 267     registerKeyEvent(this);
 268   }
 269
 270   private void mapAPC() {
 271     mapNote('1', 0, 53);
 272     mapNote('2', 1, 53);
 273     mapNote('3', 2, 53);
 274     mapNote('4', 3, 53);
 275     mapNote('5', 4, 53);
 276     mapNote('6', 5, 53);
 277     mapNote('q', 0, 54);
 278     mapNote('w', 1, 54);
 279     mapNote('e', 2, 54);
 280     mapNote('r', 3, 54);
 281     mapNote('t', 4, 54);
 282     mapNote('y', 5, 54);
 283     mapNote('a', 0, 55);
 284     mapNote('s', 1, 55);
 285     mapNote('d', 2, 55);
 286     mapNote('f', 3, 55);
 287     mapNote('g', 4, 55);
 288     mapNote('h', 5, 55);
 289     mapNote('z', 0, 56);
 290     mapNote('x', 1, 56);
 291     mapNote('c', 2, 56);
 292     mapNote('v', 3, 56);
 293     mapNote('b', 4, 56);
 294     mapNote('n', 5, 56);
 295   }
 296
 297   private void mapKeys() {
 298     int note = 48;
 299     mapNote('a', 1, note++);
 300     mapNote('w', 1, note++);
 301     mapNote('s', 1, note++);
 302     mapNote('e', 1, note++);
 303     mapNote('d', 1, note++);
 304     mapNote('f', 1, note++);
 305     mapNote('t', 1, note++);
 306     mapNote('g', 1, note++);
 307     mapNote('y', 1, note++);
 308     mapNote('h', 1, note++);
 309     mapNote('u', 1, note++);
 310     mapNote('j', 1, note++);
 311     mapNote('k', 1, note++);
 312     mapNote('o', 1, note++);
 313     mapNote('l', 1, note++);
 314   }
 315
 316   void mapNote(char ch, int channel, int number) {
 317     keyToNote.put(ch, new NoteMeta(channel, number));
 318   }
 319
 320   public void keyEvent(KeyEvent e) {
 321     if (!enabled) {
 322       return;
 323     }
 324     char c = Character.toLowerCase(e.getKeyChar());
 325     NoteMeta nm = keyToNote.get(c);
 326     if (nm != null) {
 327       switch (e.getID()) {
 328       case KeyEvent.KEY_PRESSED:
 329         noteOnReceived(new Note(Note.NOTE_ON, nm.channel, nm.number + octaveShift*12, 127));
 330         break;
 331       case KeyEvent.KEY_RELEASED:
 332         noteOffReceived(new Note(Note.NOTE_OFF, nm.channel, nm.number + octaveShift*12, 0));
 333         break;
 334       }
 335     }
 336     if ((mode == KEYS) && (e.getID() == KeyEvent.KEY_PRESSED)) {
 337       switch (c) {
 338       case 'z':
 339         octaveShift = constrain(octaveShift-1, -4, 4);
 340         break;
 341       case 'x':
 342         octaveShift = constrain(octaveShift+1, -4, 4);
 343         break;
 344       }
 345     }
 346   }
 347 }
 348
 349 public class GenericDeviceMidiInput extends SCMidiInput {
 350   GenericDeviceMidiInput(MidiEngine midiEngine, MidiInputDevice d) {
 351     super(midiEngine, d.getName().replace("Unknown vendor",""));
 352     d.createInput(this);
 353   }
 354 }
 355
 356 public class APC40MidiInput extends GenericDeviceMidiInput {
 357
 358   private boolean shiftOn = false;
 359   private LXEffect releaseEffect = null;
 360   final private LXDeck targetDeck;
 361
 362   APC40MidiInput(MidiEngine midiEngine, MidiInputDevice d) {
 363     this(midiEngine, d, -1);
 364   }
 365
 366   APC40MidiInput(MidiEngine midiEngine, MidiInputDevice d, int deckIndex) {
 367     super(midiEngine, d);
 368     targetDeck = (deckIndex < 0) ? null : lx.engine.getDecks().get(deckIndex);
 369   }
 370
 371   protected LXDeck getTargetDeck() {
 372     return (targetDeck != null) ? targetDeck : midiEngine.getFocusedDeck();
 373   }
 374
 375   protected SCPattern getTargetPattern() {
 376     if (targetDeck != null) {
 377       return (SCPattern) (targetDeck.getActivePattern());
 378     }
 379     return super.getTargetPattern();
 380   }
 381
 382   private class GridPosition {
 383     public final int row, col;
 384     GridPosition(int r, int c) {
 385       row = r;
 386       col = c;
 387     }
 388   }
 389
 390   private GridPosition getGridPosition(Note note) {
 391     int channel = note.getChannel();
 392     int pitch = note.getPitch();
 393     if (channel < 8) {
 394       if (pitch >= 53 && pitch <=57) return new GridPosition(pitch-53, channel);
 395     }
 396     return null;
 397   }
 398
 399   private boolean handleGridNoteOn(Note note) {
 400     GridPosition p = getGridPosition(note);
 401     if (p != null) {
 402       return midiEngine.grid.gridPressed(p.row, p.col);
 403     }
 404     return false;
 405   }
 406
 407   private boolean handleGridNoteOff(Note note) {
 408     GridPosition p = getGridPosition(note);
 409     if (p != null) {
 410       return midiEngine.grid.gridReleased(p.row, p.col);
 411     }
 412     return false;
 413   }
 414
 415   protected boolean handleControllerChange(rwmidi.Controller cc) {
 416     int channel = cc.getChannel();
 417     int number = cc.getCC();
 418     float value = cc.getValue() / 127.;
 419     switch (number) {
 420
 421     case 7:
 422      switch (channel) {
 423        case 0:
 424          uiSpeed.speed.setNormalized(0.5 - value*0.5);
 425          return true;
 426        case 1:
 427          effects.colorFucker.desat.setNormalized(value);
 428          return true;
 429        case 2:
 430          effects.colorFucker.desat.setNormalized(value);
 431          return true;
 432        case 3:
 433          effects.blur.amount.setNormalized(value);
 434          return true;
 435        case 4:
 436          effects.quantize.amount.setNormalized(value);
 437          return true;
 438      }
 439      break;
 440
 441     // Master bright
 442     case 14:
 443       effects.colorFucker.level.setNormalized(value);
 444       return true;
 445
 446     // Crossfader
 447     case 15:
 448       lx.engine.getDeck(GLucose.RIGHT_DECK).getFader().setNormalized(value);
 449       return true;
 450
 451     // Cue level
 452     case 47:
 453       float val = effects.colorFucker.hueShift.getValuef();
 454       int cv = cc.getValue();
 455       if (cv < 64) {
 456         cv = 64 + cv;
 457       } else {
 458         cv = cv - 64;
 459       }
 460       val += (cv - 64) / 500.;
 461       effects.colorFucker.hueShift.setNormalized((val+1) % 1);
 462       return true;
 463     }
 464
 465     int parameterIndex = -1;
 466     if (number >= 48 && number <= 55) {
 467       parameterIndex = number - 48;
 468     } else if (number >= 16 && number <= 19) {
 469       parameterIndex = 8 + (number-16);
 470     }
 471     if (parameterIndex >= 0) {
 472       List<LXParameter> parameters = getTargetPattern().getParameters();
 473       if (parameterIndex < parameters.size()) {
 474         setNormalized(parameters.get(parameterIndex), value);
 475         return true;
 476       }
 477     }
 478
 479     if (number >= 20 && number <= 23) {
 480       int effectIndex = number - 20;
 481       List<LXParameter> parameters = glucose.getSelectedEffect().getParameters();
 482       if (effectIndex < parameters.size()) {
 483         setNormalized(parameters.get(effectIndex), value);
 484         return true;
 485       }
 486     }
 487
 488     return false;
 489   }
 490
 491   private long tap1 = 0;
 492
 493   private boolean lbtwn(long a, long b, long c) {
 494     return a >= b && a <= c;
 495   }
 496
 497   protected boolean handleNoteOn(Note note) {
 498     if (handleGridNoteOn(note)) {
 499       return true;
 500     }
 501
 502     int nPitch = note.getPitch();
 503     int nChan = note.getChannel();
 504     switch (nPitch) {
 505
 506     case 49: // SOLO/CUE
 507       switch (nChan) {
 508         case 4:
 509           effects.colorFucker.mono.setNormalized(1);
 510           return true;
 511         case 5:
 512           effects.colorFucker.invert.setNormalized(1);
 513           return true;
 514         case 6:
 515           lx.cycleBaseHue(60000);
 516           return true;
 517       }
 518       break;
 519
 520     case 82: // scene 1
 521       effects.boom.trigger();
 522       return true;
 523
 524     case 83: // scene 2
 525       effects.flash.trigger();
 526       return true;
 527
 528     case 84: // scene 3
 529       getTargetPattern().reset();
 530       return true;
 531
 532     case 90:
 533       // dan's dirty tapping mechanism
 534       lx.tempo.trigger();
 535       tap1 = millis();
 536       return true;
 537
 538     case 91: // play
 539       if (shiftOn) {
 540         midiEngine.setFocusedDeck(GLucose.LEFT_DECK);
 541       } else {
 542         uiCrossfader.setDisplayMode("A");
 543       }
 544       return true;
 545
 546     case 92: // stop
 547       uiCrossfader.setDisplayMode("COMP");
 548       return true;
 549
 550     case 93: // rec
 551       if (shiftOn) {
 552         midiEngine.setFocusedDeck(GLucose.RIGHT_DECK);
 553       } else {
 554         uiCrossfader.setDisplayMode("B");
 555       }
 556       return true;
 557
 558     case 94: // up bank
 559       if (shiftOn) {
 560         glucose.incrementSelectedEffectBy(-1);
 561       } else {
 562         getTargetDeck().goPrev();
 563       }
 564       return true;
 565
 566     case 95: // down bank
 567       if (shiftOn) {
 568         glucose.incrementSelectedEffectBy(1);
 569       } else {
 570         getTargetDeck().goNext();
 571       }
 572       return true;
 573
 574     case 98: // shift
 575       shiftOn = true;
 576       return true;
 577
 578     case 99: // tap tempo
 579       lx.tempo.tap();
 580       return true;
 581
 582     case 100: // nudge+
 583       lx.tempo.setBpm(lx.tempo.bpm() + (shiftOn ? 1 : .1));
 584       return true;
 585
 586     case 101: // nudge-
 587       lx.tempo.setBpm(lx.tempo.bpm() - (shiftOn ? 1 : .1));
 588       return true;
 589
 590     case 62: // Detail View / red 5
 591       releaseEffect = glucose.getSelectedEffect();
 592       if (releaseEffect.isMomentary()) {
 593         releaseEffect.enable();
 594       } else {
 595         releaseEffect.toggle();
 596       }
 597       return true;
 598
 599     case 63: // rec quantize / red 6
 600       glucose.getSelectedEffect().disable();
 601       return true;
 602     }
 603
 604     return false;
 605   }
 606
 607   protected boolean handleNoteOff(Note note) {
 608     if (handleGridNoteOff(note)) {
 609       return true;
 610     }
 611
 612     int nPitch = note.getPitch();
 613     int nChan = note.getChannel();
 614
 615     switch (nPitch) {
 616
 617     case 49: // SOLO/CUE
 618       switch (nChan) {
 619         case 4:
 620           effects.colorFucker.mono.setNormalized(0);
 621           return true;
 622         case 5:
 623           effects.colorFucker.invert.setNormalized(0);
 624           return true;
 625         case 6:
 626           lx.setBaseHue(lx.getBaseHue());
 627           return true;
 628       }
 629       break;
 630
 631     case 52: // CLIP STOP
 632       if (nChan < PresetManager.NUM_PRESETS) {
 633         if (shiftOn) {
 634           presetManager.store(getTargetDeck(), nChan);
 635         } else {
 636           presetManager.select(getTargetDeck(), nChan);
 637         }
 638       }
 639       return true;
 640
 641     case 90: // SEND C
 642       long tapDelta = millis() - tap1;
 643       if (lbtwn(tapDelta,5000,300*1000)) {      // hackish tapping mechanism
 644         double bpm = 32.*60000./(tapDelta);
 645         while (bpm < 20) bpm*=2;
 646         while (bpm > 40) bpm/=2;
 647         lx.tempo.setBpm(bpm);
 648         lx.tempo.trigger();
 649         tap1 = 0;
 650         println("Tap Set - " + bpm + " bpm");
 651       }
 652       return true;
 653
 654     case 63: // rec quantize / RED 6
 655       if (releaseEffect != null) {
 656         if (releaseEffect.isMomentary()) {
 657           releaseEffect.disable();
 658         }
 659       }
 660       return true;
 661
 662     case 98: // shift
 663       shiftOn = false;
 664       return true;
 665     }
 666
 667     return false;
 668   }
 669 }
 670
 671 class KorgNanoKontrolMidiInput extends GenericDeviceMidiInput {
 672
 673   KorgNanoKontrolMidiInput(MidiEngine midiEngine, MidiInputDevice d) {
 674     super(midiEngine, d);
 675   }
 676
 677   protected boolean handleControllerChange(rwmidi.Controller cc) {
 678     int number = cc.getCC();
 679     if (number >= 16 && number <= 23) {
 680       int parameterIndex = number - 16;
 681       List<LXParameter> parameters = midiEngine.getFocusedPattern().getParameters();
 682       if (parameterIndex < parameters.size()) {
 683         setNormalized(parameters.get(parameterIndex), cc.getValue() / 127.);
 684         return true;
 685       }
 686     }
 687
 688     if (cc.getValue() == 127) {
 689       switch (number) {
 690
 691       case 58: // Left track
 692         midiEngine.setFocusedDeck(GLucose.LEFT_DECK);
 693         return true;
 694
 695       case 59: // Right track
 696         midiEngine.setFocusedDeck(GLucose.RIGHT_DECK);
 697         return true;
 698
 699       case 43: // Left chevron
 700         midiEngine.getFocusedDeck().goPrev();
 701         return true;
 702
 703       case 44: // Right chevron
 704         midiEngine.getFocusedDeck().goNext();
 705         return true;
 706       }
 707     }
 708
 709     return false;
 710   }
 711 }
 712
 713 class APC40MidiOutput implements LXParameterListener, GridOutput {
 714
 715   private final MidiEngine midiEngine;
 716   private final MidiOutput output;
 717   private LXPattern focusedPattern = null;
 718   private LXEffect focusedEffect = null;
 719   private final LXDeck targetDeck;
 720
 721   APC40MidiOutput(MidiEngine midiEngine, MidiOutputDevice device) {
 722     this(midiEngine, device, -1);
 723   }
 724
 725   APC40MidiOutput(MidiEngine midiEngine, MidiOutputDevice device, int deckIndex) {
 726     this.midiEngine = midiEngine;
 727     output = device.createOutput();
 728     targetDeck = (deckIndex < 0) ? null : lx.engine.getDecks().get(deckIndex);
 729     setDPatternOutputs();
 730     if (targetDeck != null) {
 731       midiEngine.addListener(new MidiEngineListener() {
 732         public void onFocusedDeck(int deckIndex) {
 733           resetPatternParameters();
 734           for (int i = 0; i < 8; ++i) {
 735             output.sendNoteOn(i, 52, 0);
 736           }
 737         }
 738       });
 739     }
 740     glucose.addEffectListener(new GLucose.EffectListener() {
 741       public void effectSelected(LXEffect effect) {
 742         resetEffectParameters();
 743       }
 744     });
 745     LXDeck.Listener deckListener = new LXDeck.AbstractListener() {
 746       public void patternDidChange(LXDeck deck, LXPattern pattern) {
 747         if (deck == getTargetDeck()) {
 748           resetPatternParameters();
 749         }
 750       }
 751     };
 752     for (LXDeck d : lx.engine.getDecks()) {
 753       if (targetDeck == null || d == targetDeck) {
 754         d.addListener(deckListener);
 755       }
 756     }
 757     presetManager.addListener(new PresetListener() {
 758       public void onPresetSelected(LXDeck deck, Preset preset) {
 759         if (deck == getTargetDeck()) {
 760           for (int i = 0; i < 8; ++i) {
 761             output.sendNoteOn(i, 52, (preset.index == i) ? 1 : 0);
 762           }
 763         }
 764       }
 765       public void onPresetDirty(LXDeck deck, Preset preset) {
 766         if (deck == getTargetDeck()) {
 767           output.sendNoteOn(preset.index, 52, 2);
 768         }
 769       }
 770       public void onPresetStored(LXDeck deck, Preset preset) {
 771         onPresetSelected(deck, preset);
 772       }
 773     });
 774     resetParameters();
 775     midiEngine.grid.addOutput(this);
 776
 777     lx.cycleBaseHue(60000);
 778     output.sendNoteOn(6, 49, 127);
 779
 780     // Turn off the track selection lights and preset selectors
 781     for (int i = 0; i < 8; ++i) {
 782       output.sendNoteOn(i, 51, 0);
 783       output.sendNoteOn(i, 52, 0);
 784     }
 785
 786     // Turn off the MASTER selector
 787     output.sendNoteOn(0, 80, 0);
 788   }
 789
 790   private void setDPatternOutputs() {
 791     for (LXDeck deck : lx.engine.getDecks()) {
 792       if (targetDeck == null || deck == targetDeck) {
 793         for (LXPattern pattern : deck.getPatterns()) {
 794           if (pattern instanceof DPat) {
 795             ((DPat)pattern).setAPCOutput(output);
 796           }
 797         }
 798       }
 799     }
 800   }
 801
 802   protected LXDeck getTargetDeck() {
 803     return (targetDeck != null) ? targetDeck : midiEngine.getFocusedDeck();
 804   }
 805
 806   private void resetParameters() {
 807     resetPatternParameters();
 808     resetEffectParameters();
 809   }
 810
 811   private void resetPatternParameters() {
 812     LXPattern newPattern = getTargetDeck().getActivePattern();
 813     if (newPattern == focusedPattern) {
 814       return;
 815     }
 816     if (focusedPattern != null) {
 817       for (LXParameter p : focusedPattern.getParameters()) {
 818         ((LXListenableParameter) p).removeListener(this);
 819       }
 820     }
 821     focusedPattern = newPattern;
 822     int i = 0;
 823     for (LXParameter p : focusedPattern.getParameters()) {
 824       ((LXListenableParameter) p).addListener(this);
 825       sendKnob(i++, p);
 826     }
 827     while (i < 12) {
 828       sendKnob(i++, 0);
 829     }
 830     if (focusedPattern instanceof DPat) {
 831       ((DPat)focusedPattern).updateLights();
 832     } else {
 833       for (int j = 0; j < 8; ++j) {
 834         output.sendNoteOn(j, 48, 0);
 835       }
 836       for (int row = 0; row < 7; ++row) {
 837         for (int col = 0; col < 8; ++col) {
 838           setGridState(row, col, 0);
 839         }
 840       }
 841     }
 842   }
 843
 844   private void resetEffectParameters() {
 845     LXEffect newEffect = glucose.getSelectedEffect();
 846     if (newEffect == focusedEffect) {
 847       return;
 848     }
 849     if (focusedEffect != null) {
 850       for (LXParameter p : focusedPattern.getParameters()) {
 851         ((LXListenableParameter) p).removeListener(this);
 852       }
 853     }
 854     focusedEffect = newEffect;
 855     int i = 0;
 856     for (LXParameter p : focusedEffect.getParameters()) {
 857       ((LXListenableParameter) p).addListener(this);
 858       sendKnob(12 + i++, p);
 859     }
 860     while (i < 4) {
 861       sendKnob(12 + i++, 0);
 862     }
 863   }
 864
 865   private void sendKnob(int i, LXParameter p) {
 866     float pv = constrain(p.getValuef(), 0, 1);
 867     if (p instanceof LXNormalizedParameter) {
 868       pv = ((LXNormalizedParameter)p).getNormalizedf();
 869     }
 870     sendKnob(i, (int) (pv * 127.));
 871   }
 872
 873   private void sendKnob(int i, int value) {
 874     if (i < 8) {
 875       output.sendController(0, 48+i, value);
 876     } else if (i < 16) {
 877       output.sendController(0, 8+i, value);
 878     }
 879   }
 880
 881   public void onParameterChanged(LXParameter parameter) {
 882     int i = 0;
 883     for (LXParameter p : focusedPattern.getParameters()) {
 884       if (p == parameter) {
 885         sendKnob(i, p);
 886         break;
 887       }
 888       ++i;
 889     }
 890     i = 12;
 891     for (LXParameter p : focusedEffect.getParameters()) {
 892       if (p == parameter) {
 893         sendKnob(i, p);
 894         break;
 895       }
 896       ++i;
 897     }
 898   }
 899
 900   public void setGridState(int row, int col, int state) {
 901     if (col < 8 && row < 5) {
 902       output.sendNoteOn(col, 53+row, state);
 903     }
 904   }
 905 }
 906
 907 class ArturiaMinilabMidiInput extends GenericDeviceMidiInput {
 908   ArturiaMinilabMidiInput(MidiEngine midiEngine, MidiInputDevice d) {
 909     super(midiEngine, d);
 910   }
 911
 912   protected boolean handleControllerChange(rwmidi.Controller cc) {
 913     int parameterIndex = -1;
 914     switch (cc.getCC()) {
 915       case 7:   parameterIndex = 0; break;
 916       case 74:  parameterIndex = 1; break;
 917       case 71:  parameterIndex = 2; break;
 918       case 76:  parameterIndex = 3; break;
 919       case 114: parameterIndex = 4; break;
 920       case 18:  parameterIndex = 5; break;
 921       case 19:  parameterIndex = 6; break;
 922       case 16:  parameterIndex = 7; break;
 923
 924       case 75:
 925         float val = effects.colorFucker.hueShift.getValuef();
 926         val += (cc.getValue() - 64) / 256.;
 927         effects.colorFucker.hueShift.setNormalized((val+1) % 1);
 928         break;
 929     }
 930     if (parameterIndex >= 0) {
 931       List<LXParameter> parameters = midiEngine.getFocusedPattern().getParameters();
 932       if (parameterIndex < parameters.size()) {
 933         LXParameter p = parameters.get(parameterIndex);
 934         float curVal = p.getValuef();
 935         curVal += (cc.getValue() - 64) / 127.;
 936         setNormalized(p, constrain(curVal, 0, 1));
 937       }
 938     }
 939     return false;
 940   }
 941 }
 942
 943 interface GridOutput {
 944   public static final int OFF = 0;
 945   public static final int GREEN = 1;
 946   public static final int GREEN_BLINK = 2;
 947   public static final int RED = 3;
 948   public static final int RED_BLINK = 4;
 949   public static final int YELLOW = 5;
 950   public static final int YELLOW_BLINK = 6;
 951   public static final int ON = 127;
 952
 953   public void setGridState(int row, int col, int state);
 954 }
 955
 956 class GridController {
 957   private final List<GridOutput> outputs = new ArrayList<GridOutput>();
 958
 959   private final MidiEngine midiEngine;
 960
 961   GridController(MidiEngine midiEngine) {
 962     this.midiEngine = midiEngine;
 963   }
 964
 965   public void addOutput(GridOutput output) {
 966     outputs.add(output);
 967   }
 968
 969   public boolean gridPressed(int row, int col) {
 970     return midiEngine.getFocusedPattern().gridPressed(row, col);
 971   }
 972
 973   public boolean gridReleased(int row, int col) {
 974     return midiEngine.getFocusedPattern().gridReleased(row, col);
 975   }
 976
 977   public void setState(int row, int col, int state) {
 978     for (GridOutput g : outputs) {
 979       g.setGridState(row, col, state);
 980     }
 981   }
 982 }
 983