CCToPluginParam.js

/* Remap MIDI CC to plugin parameters or other CC.

v.1
Updates: https://github.com/viovar-black/logic_pro_scripts/blob/master/scripts/CCToPluginParam.js

Set NUMBER for more slots.
*/

const NUMBER = 6;

var Sources = Array();
var Destinations = new Map();

var PluginParameters = [
    {
        name: "Channel",
        type: "lin",
        defaultValue: 1,
        minValue: 1,
        maxValue: 16,
        numberOfSteps: 15
    },
    {
        name: "Thru",
        type: "checkbox",
        defaultValue: 0
    }
];

for (var n = 0; n < NUMBER; n++) {
    var src = {
        name: "CC_" + n,
        type: "lin",
        minValue: 1,
        maxValue: 127,
        numberOfSteps: 126,
        defaultValue: 1,
        p_type: "src",
        p_id: n,
        enabled: false
    }
    var dest = {
        name: "CC_" + n + "_DEST",
        type: "target",
        p_type: "dest",
        p_id: n,
        defaultValue: -1  // OFF
    }
    PluginParameters.push(src);
    Sources.push(src);
    PluginParameters.push(dest);
    Destinations.set(src.name, dest);
}

PluginParameters.push(
    {
        name: "*change NUMBER for more slots",
        type: "text"
    }
)

function ParameterChanged(param, value) {
    var param_obj = PluginParameters[param];
    param_obj.value = value
    if (param_obj.p_type === "dest") {
        Sources[param_obj.p_id].enabled = value !== -1;
    }
}

function HandleMIDI(event) {
    if (event instanceof ControlChange) {
        if (GetParameter("Channel") === event.channel) {
            for (var n = 0; n < Sources.length; n++) {
                var src = Sources[n];
                if (src.enabled && src.value === event.number) {
                    var new_event = new TargetEvent();
                    new_event.target = src.name + "_DEST";
                    new_event.value = event.value / 127.0;
                    new_event.send();
                }
            }
            if (GetParameter("Thru")) {
                event.send();
            }
        }
    } else {
        event.send();
    }
}