+class APC40MidiOutput implements LXParameter.Listener {
+
+ private final MidiEngine midiEngine;
+ private final MidiOutput output;
+ private LXPattern focusedPattern = null;
+ private LXEffect focusedEffect = null;
+
+ APC40MidiOutput(MidiEngine midiEngine, MidiOutputDevice device) {
+ this.midiEngine = midiEngine;
+ output = device.createOutput();
+ midiEngine.addListener(new MidiEngineListener() {
+ public void onFocusedDeck(int deckIndex) {
+ resetPatternParameters();
+ }
+ });
+ glucose.addEffectListener(new GLucose.EffectListener() {
+ public void effectSelected(LXEffect effect) {
+ resetEffectParameters();
+ }
+ });
+ Engine.Listener deckListener = new Engine.AbstractListener() {
+ public void patternDidChange(Engine.Deck deck, LXPattern pattern) {
+ resetPatternParameters();
+ }
+ };
+ for (Engine.Deck d : lx.engine.getDecks()) {
+ d.addListener(deckListener);
+ }
+ resetParameters();
+ }
+
+ private void resetParameters() {
+ resetPatternParameters();
+ resetEffectParameters();
+ }
+
+ private void resetPatternParameters() {
+ LXPattern newPattern = midiEngine.getFocusedDeck().getActivePattern();
+ if (newPattern == focusedPattern) {
+ return;
+ }
+ if (focusedPattern != null) {
+ for (LXParameter p : focusedPattern.getParameters()) {
+ ((LXListenableParameter) p).removeListener(this);
+ }
+ }
+ focusedPattern = newPattern;
+ int i = 0;
+ for (LXParameter p : focusedPattern.getParameters()) {
+ ((LXListenableParameter) p).addListener(this);
+ sendKnob(i++, p);
+ }
+ while (i < 12) {
+ sendKnob(i++, 0);
+ }
+ }
+
+ private void resetEffectParameters() {
+ LXEffect newEffect = glucose.getSelectedEffect();
+ if (newEffect == focusedEffect) {
+ return;
+ }
+ if (focusedEffect != null) {
+ for (LXParameter p : focusedPattern.getParameters()) {
+ ((LXListenableParameter) p).removeListener(this);
+ }
+ }
+ focusedEffect = newEffect;
+ int i = 0;
+ for (LXParameter p : focusedEffect.getParameters()) {
+ ((LXListenableParameter) p).addListener(this);
+ sendKnob(12 + i++, p);
+ }
+ while (i < 4) {
+ sendKnob(12 + i++, 0);
+ }
+ }
+
+ private void sendKnob(int i, LXParameter p) {
+ sendKnob(i, (int) (p.getValuef() * 127.));
+ }
+
+ private void sendKnob(int i, int value) {
+ if (i < 8) {
+ output.sendController(0, 48+i, value);
+ } else if (i < 16) {
+ output.sendController(0, 8+i, value);
+ }
+ }
+
+ public void onParameterChanged(LXParameter parameter) {
+ int i = 0;
+ for (LXParameter p : focusedPattern.getParameters()) {
+ if (p == parameter) {
+ sendKnob(i, p);
+ break;
+ }
+ ++i;
+ }
+ i = 12;
+ for (LXParameter p : focusedEffect.getParameters()) {
+ if (p == parameter) {
+ sendKnob(i, p);
+ break;
+ }
+ ++i;
+ }
+ }
+}