1 files changed, 59 insertions, 0 deletions
diff --git a/res/controllers/Pioneer-DDJ-200-scripts.js b/res/controllers/Pioneer-DDJ-200-scripts.js
new file mode 100644
index 0000000000..a7b662bbd4
--- /dev/null
+++ b/res/controllers/Pioneer-DDJ-200-scripts.js
@@ -0,0 +1,59 @@
+var DDJ200 = {
+    jogDisabled: new Array(false, false, false, false, false)
+};
+
+DDJ200.init = function() {};
+
+DDJ200.shutdown = function() {};
+
+DDJ200.scratch = function(channel, control, value, status, group) {
+    // For a control that centers on 0x40 (64):
+    // Convert value down to +1/-1
+    // Register the movement
+    engine.scratchTick(script.deckFromGroup(group), value - 64);
+};
+
+DDJ200.jog = function(channel, control, value, status, group) {
+    // For a control that centers on 0x40 (64):
+    // Convert value down to +1/-1
+    // Register the movement
+    var deckNumber = script.deckFromGroup(group);
+    if (! DDJ200.jogDisabled[deckNumber]) {
+        engine.setValue(group, "jog", value - 64);
+    }
+};
+
+DDJ200.touch = function(channel, control, value, status, group) {
+    var deckNumber = script.deckFromGroup(group);
+    if (value) {
+        // enable scratch
+        var alpha = 1.0 / 8;
+        engine.scratchEnable(deckNumber, 128, 33 + 1 / 3, alpha, alpha / 32);
+    } else {
+        // disable jog to not prevent alignment and enable it after 900 ms
+        DDJ200.jogDisabled[deckNumber] = true;
+        engine.beginTimer(900, "DDJ200.jogDisabled["+deckNumber+"] = false;",
+            true);
+        // disable scratch
+        engine.scratchDisable(deckNumber);
+    }
+};
+
+DDJ200.seek = function(channel, control, value, status, group) {
+    var oldPos = engine.getValue(group, "playposition");
+    // Since ‘playposition’ is normalized to unity, we need to scale by
+    // song duration in order for the jog wheel to cover the same amount
+    // of time given a constant turning angle.
+    var duration = engine.getValue(group, "duration");
+    var newPos = Math.max(0, oldPos + ((value - 64) * 0.2 / duration));
+    engine.setValue(group, "playposition", newPos); // Strip search
+};
+
+DDJ200.headmix = function(channel, control, value) {
+    if (value) {
+        var masterMixEnabled = (engine.getValue("[Master]", "headMix") > 0);
+        // toggle headMix knob between values of -1 and 1
+        engine.setValue("[Master]", "headMix", masterMixEnabled ? -1 : 1);
+        midi.sendShortMsg(0x96, 0x63, masterMixEnabled ? 0x7F : 0); // set LED
+    }
+};